@property --sf-heat-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

.solar-page {
  overflow-x: hidden;
  background: #fff;
}

.sf-container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.sf-section {
  padding: clamp(86px, 8vw, 126px) 0;
}

.sf-heading {
  max-width: 880px;
  margin-bottom: clamp(38px, 5vw, 64px);
}

.sf-heading-center {
  margin-inline: auto;
  text-align: center;
}

.sf-heading h2,
.sf-install h2 {
  margin: 0;
  color: var(--navy-900);
  font-size: clamp(42px, 5.2vw, 76px);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.98;
  text-wrap: balance;
}

.sf-heading-light h2 {
  color: #fff;
}

.sf-eyebrow {
  margin: 0 0 15px;
  color: var(--blue-700);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.18em;
  line-height: 1.35;
  text-transform: uppercase;
}

.sf-eyebrow-light {
  color: #89d5ff;
}

.sf-cta {
  min-height: 60px;
  padding: 16px 26px;
  border: 2px solid transparent;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.045em;
  line-height: 1.2;
  text-align: center;
  text-transform: uppercase;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.sf-cta:hover,
.sf-cta:focus-visible {
  transform: translateY(-3px);
}

.sf-cta-gold {
  background: linear-gradient(135deg, #f3a40d, #ffd25b);
  color: #001745;
  box-shadow: 0 18px 42px rgba(242, 138, 0, 0.27), 0 0 0 1px rgba(255, 231, 153, 0.45) inset;
}

.sf-cta-gold:hover,
.sf-cta-gold:focus-visible {
  background: linear-gradient(135deg, #ffb31f, #ffe084);
  box-shadow: 0 22px 48px rgba(242, 138, 0, 0.34), 0 0 24px rgba(255, 202, 60, 0.18);
}

.sf-cta-blue {
  background: linear-gradient(135deg, #003c88, #0789de);
  color: #fff;
  box-shadow: 0 16px 34px rgba(4, 76, 151, 0.25);
}

.sf-premium-cta {
  min-width: 174px;
  color: #fff8dd;
}

/* Hero */
.sf-hero {
  min-height: 850px;
  padding-top: 104px;
  border-bottom: 4px solid #e6a92f;
  background:
    radial-gradient(circle at 10% 88%, rgba(0, 139, 224, 0.22), transparent 34%),
    linear-gradient(122deg, #000a21 0%, #001745 62%, #002d6d 100%);
  color: #fff;
  overflow: hidden;
  position: relative;
}

.sf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(90deg, #000, transparent 76%);
  pointer-events: none;
}

.sf-hero-grid {
  min-height: 690px;
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(440px, 0.8fr);
  align-items: center;
  gap: clamp(44px, 6vw, 90px);
  position: relative;
  z-index: 2;
}

.sf-hero-copy {
  padding: 64px 0 48px;
}

.sf-hero h1 {
  max-width: 760px;
  margin: 0 0 25px;
  font-size: clamp(63px, 6.4vw, 98px);
  font-weight: 930;
  letter-spacing: -0.068em;
  line-height: 0.91;
  text-wrap: balance;
}

.sf-hero-lede {
  max-width: 680px;
  margin: 0 0 32px;
  color: #d9e8f5;
  font-size: clamp(19px, 1.6vw, 23px);
  font-weight: 540;
  line-height: 1.5;
}

.sf-hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.sf-phone {
  padding: 8px 0;
  border-bottom: 2px solid rgba(246, 195, 68, 0.7);
  color: #f8d775;
  font-size: 18px;
  font-weight: 900;
}

.sf-phone:hover,
.sf-phone:focus-visible {
  color: #fff0b6;
}

.sf-proof-row {
  max-width: 760px;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid rgba(122, 202, 255, 0.22);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.sf-proof-row div {
  min-width: 0;
  padding-right: 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.sf-proof-row div:last-child {
  border-right: 0;
}

.sf-proof-row strong,
.sf-proof-row span {
  display: block;
}

.sf-proof-row .sf-windstorm-proof {
  min-height: 0;
  padding: 13px 15px 12px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(246, 200, 77, .13), rgba(0, 125, 199, .1));
  align-self: stretch;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 0 22px rgba(246, 200, 77, .05), 0 0 26px rgba(246, 200, 77, .08);
}

.sf-proof-row .sf-windstorm-proof::after {
  content: "";
  border: 1.5px solid rgba(246, 200, 77, .72);
  border-radius: inherit;
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 2;
}

.sf-windstorm-proof strong {
  color: #f9d766;
  max-width: 100%;
  font-size: clamp(14px, 1vw, 18px);
  letter-spacing: -.04em;
  line-height: 1.08;
  white-space: nowrap;
}

.sf-windstorm-proof span {
  color: #fff;
  font-size: 11px;
  font-weight: 950;
  letter-spacing: .04em;
  white-space: normal;
}

.sf-windstorm-proof small {
  margin-top: 4px;
  color: #9fc3dc;
  display: block;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.sf-proof-row strong {
  margin-bottom: 5px;
  color: #fff;
  font-size: clamp(22px, 2vw, 30px);
  font-weight: 900;
  letter-spacing: -0.035em;
}

.sf-proof-row strong small {
  font-size: 0.52em;
  letter-spacing: 0.04em;
}

.sf-proof-row strong em {
  color: #f6c84d;
  font-style: normal;
  text-shadow: 0 0 18px rgba(246, 200, 77, .2);
}

.sf-proof-row span {
  color: #9fc3dc;
  font-size: 12px;
  font-weight: 780;
  letter-spacing: 0.025em;
  line-height: 1.35;
  text-transform: uppercase;
}

.sf-hero-visual {
  height: 650px;
  border: 1px solid rgba(155, 215, 255, 0.34);
  border-radius: 160px 20px 20px 20px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 38px 90px rgba(0, 5, 20, 0.48);
}

.sf-hero-visual > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
}

.sf-hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 46%, rgba(0, 9, 29, 0.7));
}

.sf-hero-fan-card {
  min-width: 214px;
  padding: 20px 76px 20px 22px;
  border: 1px solid rgba(255, 224, 115, 0.66);
  border-radius: 16px;
  background: rgba(0, 19, 57, 0.88);
  backdrop-filter: blur(14px);
  position: absolute;
  right: 20px;
  bottom: 20px;
  box-shadow: 0 18px 40px rgba(0, 5, 20, 0.34);
}

.sf-hero-fan-card > span,
.sf-hero-fan-card > strong {
  display: block;
}

.sf-hero-fan-card > span {
  margin-bottom: 4px;
  color: #f6c84d;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sf-hero-fan-card > strong {
  color: #fff;
  font-size: 23px;
  letter-spacing: -0.035em;
}

.sf-fan-symbol,
.sf-fan-icon {
  border-radius: 50%;
  position: absolute;
}

.sf-fan-symbol {
  width: 48px;
  height: 48px;
  border: 2px solid rgba(255, 218, 92, 0.82);
  right: 17px;
  top: calc(50% - 24px);
}

.sf-fan-symbol i,
.sf-fan-icon i {
  width: 44%;
  height: 14%;
  border-radius: 100% 15% 100% 15%;
  background: #f6c84d;
  position: absolute;
  left: 50%;
  top: 43%;
  transform-origin: left center;
}

.sf-fan-symbol i:nth-child(2),
.sf-fan-icon i:nth-child(2) { transform: rotate(120deg); }
.sf-fan-symbol i:nth-child(3),
.sf-fan-icon i:nth-child(3) { transform: rotate(240deg); }
.sf-fan-symbol { animation: sf-fan-spin 3.2s linear infinite; }

.sf-scroll-cue {
  width: min(calc(100% - 64px), var(--container));
  margin: 8px auto 0;
  color: #8bbbdc;
  display: flex;
  align-items: center;
  gap: 13px;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.11em;
  position: relative;
  z-index: 2;
  text-transform: uppercase;
}

.sf-scroll-cue i {
  width: 42px;
  height: 1px;
  background: #f2c650;
  position: relative;
}

.sf-scroll-cue i::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1px solid #f2c650;
  border-bottom: 1px solid #f2c650;
  position: absolute;
  right: 0;
  top: -3px;
  transform: rotate(45deg);
}

/* Problem cross-section */
.sf-heat {
  background: #f6f3ec;
}

.sf-heat-stage {
  min-height: 570px;
  border: 1px solid #e8d6c1;
  border-radius: 28px;
  background:
    radial-gradient(circle at 15% 8%, rgba(255, 194, 64, 0.38), transparent 24%),
    linear-gradient(180deg, #fff4d9 0%, #ffd9a8 48%, #f4f7fa 48%);
  overflow: hidden;
  position: relative;
  box-shadow: 0 26px 70px rgba(86, 46, 5, 0.12);
}

.sf-heat-sun {
  width: 126px;
  height: 126px;
  border-radius: 50%;
  background: #ffb41f;
  position: absolute;
  left: 7%;
  top: 8%;
  box-shadow: 0 0 0 22px rgba(255, 187, 45, 0.12), 0 0 70px rgba(255, 152, 0, 0.35);
  animation: sf-sun-pulse 3.5s ease-in-out infinite;
}

.sf-heat-sun::before,
.sf-heat-sun::after,
.sf-heat-sun i::before,
.sf-heat-sun i::after {
  content: "";
  width: 34px;
  height: 4px;
  border-radius: 5px;
  background: #e98c00;
  position: absolute;
  left: 50%;
  top: 50%;
  transform-origin: center;
}

.sf-heat-sun::before { transform: translate(-50%, -50%) rotate(0deg) translateX(82px); }
.sf-heat-sun::after { transform: translate(-50%, -50%) rotate(90deg) translateX(82px); }
.sf-heat-sun i::before { transform: translate(-50%, -50%) rotate(45deg) translateX(82px); }
.sf-heat-sun i::after { transform: translate(-50%, -50%) rotate(135deg) translateX(82px); }

.sf-heat-label {
  padding: 8px 12px;
  border-radius: 7px;
  background: rgba(107, 31, 7, 0.88);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.1em;
  position: absolute;
  z-index: 5;
  text-transform: uppercase;
}

.sf-label-roof {
  left: 38%;
  top: 20%;
}

.sf-label-attic {
  left: 50%;
  top: 25%;
  transform: translateX(-50%);
}

.sf-house-shell {
  width: min(720px, 62%);
  height: 470px;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-38%);
}

.sf-house-roof {
  width: 100%;
  height: 270px;
  clip-path: polygon(50% 0, 100% 68%, 94% 76%, 50% 13%, 6% 76%, 0 68%);
  background: linear-gradient(180deg, #85361f, #55251c);
  position: absolute;
  left: 0;
  top: 0;
  filter: drop-shadow(0 16px 22px rgba(110, 31, 5, 0.22));
}

.sf-attic-cutaway {
  width: 88%;
  height: 205px;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  background: linear-gradient(180deg, #ffb328, #ce3f18 84%);
  position: absolute;
  left: 6%;
  top: 48px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(115, 30, 3, 0.3) inset;
}

.sf-room-cutaway {
  width: 88%;
  height: 218px;
  border: 8px solid #e0d2bd;
  border-top: 13px solid #f5dfb8;
  background: linear-gradient(180deg, #f6f8fb, #eaf3f8);
  position: absolute;
  left: 6%;
  bottom: 0;
}

.sf-room-cutaway > span {
  color: #607283;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.1em;
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  text-transform: uppercase;
  white-space: nowrap;
}

.sf-room-window {
  width: 78px;
  height: 84px;
  border: 8px solid #fff;
  background: linear-gradient(135deg, #bce4f7, #e8f7ff);
  position: absolute;
  right: 44px;
  top: 25px;
  box-shadow: 0 9px 18px rgba(0, 65, 114, 0.08);
}

.sf-room-window::before,
.sf-room-window::after {
  content: "";
  background: #fff;
  position: absolute;
}

.sf-room-window::before { width: 5px; height: 100%; left: 50%; }
.sf-room-window::after { width: 100%; height: 5px; top: 50%; }

.sf-room-sofa {
  width: 150px;
  height: 62px;
  border-radius: 22px 22px 7px 7px;
  background: #0b5d94;
  position: absolute;
  left: 60px;
  bottom: 42px;
}

.sf-room-sofa::before {
  content: "";
  width: 126px;
  height: 54px;
  border-radius: 18px 18px 4px 4px;
  background: #1579b4;
  position: absolute;
  left: 12px;
  top: -23px;
}

.sf-duct {
  width: 50%;
  height: 45px;
  border: 5px solid #ffdd91;
  border-radius: 24px;
  background: linear-gradient(180deg, #d7e0e5, #9aa9b3);
  position: absolute;
  left: 25%;
  bottom: 25px;
  z-index: 3;
}

.sf-duct i {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #82939d;
  position: absolute;
  right: -3px;
  top: 0;
}

.sf-duct span {
  padding: 5px 8px;
  border-radius: 5px;
  background: rgba(89, 29, 8, 0.86);
  color: #fff;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.09em;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-transform: uppercase;
  white-space: nowrap;
}

.sf-shimmer {
  width: 10px;
  height: 70px;
  border-radius: 50%;
  border-left: 3px solid rgba(255, 244, 173, 0.67);
  position: absolute;
  bottom: -5px;
  animation: sf-heat-rise 2.1s ease-in-out infinite;
}

.shimmer-one { left: 22%; }
.shimmer-two { left: 48%; animation-delay: -0.7s; }
.shimmer-three { left: 72%; animation-delay: -1.3s; }

.sf-heat-meter {
  width: 78px;
  height: 330px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.72);
  position: absolute;
  right: 8%;
  top: 100px;
  box-shadow: 0 14px 34px rgba(109, 46, 7, 0.14);
}

.sf-heat-meter::before {
  content: "";
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #e23e17;
  position: absolute;
  left: 18px;
  bottom: 18px;
}

.sf-heat-meter i {
  width: 14px;
  height: 250px;
  border-radius: 12px;
  background: linear-gradient(180deg, #ffb51f, #e23e17);
  position: absolute;
  left: 32px;
  bottom: 40px;
  transform-origin: bottom;
  animation: sf-meter-rise 3s ease-in-out infinite;
}

.sf-heat-meter span {
  width: 170px;
  color: #81280e;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.07em;
  position: absolute;
  right: calc(100% + 20px);
  top: 50%;
  transform: translateY(-50%);
  text-align: right;
  text-transform: uppercase;
}

.sf-punchline {
  max-width: 900px;
  margin: 34px auto 0;
  color: var(--navy-900);
  font-size: clamp(22px, 2.2vw, 32px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.25;
  text-align: center;
}

/* Real video replaces the illustrated roof cutaway. */
.sf-problem-grid {
  padding: clamp(18px, 2.5vw, 32px);
  border: 1px solid #e4c98f;
  border-radius: 28px;
  background:
    radial-gradient(circle at 10% 10%, rgba(255, 186, 40, .2), transparent 30%),
    linear-gradient(135deg, #fff9eb, #f3e5c7);
  display: grid;
  grid-template-columns: minmax(250px, .48fr) minmax(0, 1fr);
  align-items: stretch;
  gap: clamp(20px, 3vw, 42px);
  box-shadow: 0 28px 70px rgba(86, 46, 5, .12);
}

.sf-problem-copy {
  padding: clamp(24px, 4vw, 55px);
  border-radius: 20px;
  background: linear-gradient(155deg, #001745, #002b68);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 13px;
  position: relative;
  overflow: hidden;
}

.sf-problem-copy::before {
  content: "";
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(242, 138, 0, .2);
  filter: blur(35px);
  position: absolute;
  right: -30px;
  top: -40px;
}

.sf-problem-copy span {
  width: fit-content;
  padding: 9px 13px;
  border: 1px solid rgba(255, 186, 49, .38);
  border-radius: 999px;
  background: rgba(242, 138, 0, .09);
  color: #ffd36e;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .11em;
  position: relative;
  text-transform: uppercase;
}

.sf-problem-copy strong {
  margin-top: 16px;
  color: #fff;
  font-size: clamp(29px, 3.2vw, 47px);
  font-weight: 930;
  letter-spacing: -.05em;
  line-height: 1;
  position: relative;
}

.sf-video-card {
  min-width: 0;
  border: 1px solid rgba(13, 106, 173, .2);
  border-radius: 20px;
  background: #001745;
  overflow: hidden;
  box-shadow: 0 18px 45px rgba(0, 23, 69, .16);
}

.sf-video-frame {
  aspect-ratio: 16 / 9;
  background: #000b20;
  overflow: hidden;
  position: relative;
}

.sf-video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  position: absolute;
  inset: 0;
}

.sf-video-title {
  padding: 17px 20px 19px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.sf-video-title span {
  color: #f6c84d;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.sf-video-title h3 {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 24px);
  font-weight: 850;
  letter-spacing: -.025em;
  text-align: right;
}

/* Passive vs active */
.sf-airflow-compare {
  background:
    radial-gradient(circle at 50% 50%, rgba(0, 122, 194, 0.1), transparent 44%),
    #fff;
}

.sf-versus {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 1.08fr) minmax(0, 1fr);
  align-items: center;
  gap: 20px;
}

.sf-family-bridge {
  min-width: 0;
  display: grid;
  place-items: center;
  gap: 16px;
}

.sf-family-bridge > img {
  width: min(100%, 440px);
  height: auto;
  border: 1px solid rgba(0, 91, 157, .22);
  border-radius: 22px;
  display: block;
  box-shadow: 0 24px 54px rgba(0, 35, 78, .2), 0 0 0 5px rgba(255, 255, 255, .72);
}

.sf-air-card {
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 25px;
  overflow: hidden;
  position: relative;
}

.sf-air-passive {
  border-color: rgba(255,126,42,.58);
  background:
    radial-gradient(circle at 50% 0,rgba(255,111,21,.38),transparent 30%),
    radial-gradient(circle at 18% 64%,rgba(221,49,8,.18),transparent 28%),
    linear-gradient(180deg,rgba(126,42,20,.98),rgba(48,19,23,.99));
  overflow: visible;
  box-shadow: 0 0 42px rgba(255,82,8,.25),inset 0 0 34px rgba(255,70,4,.13);
  animation: sf-heat-card-pulse 3.4s ease-in-out infinite;
}

.sf-air-active {
  border-color: rgba(71, 187, 255, 0.45);
  background: linear-gradient(180deg, rgba(5, 72, 125, 0.96), rgba(0, 26, 63, 0.99));
  box-shadow: 0 0 55px rgba(8, 142, 225, 0.16);
}

.sf-air-card-head {
  padding: 26px 30px 20px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.sf-air-card-head span {
  padding: 7px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  color: #e6a06b;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sf-air-active .sf-air-card-head span {
  color: #67d0ff;
}

.sf-air-card-head h3 {
  margin: 0;
  color: #fff;
  font-size: clamp(26px, 2.7vw, 39px);
  font-weight: 900;
  letter-spacing: -0.045em;
}

.sf-air-house {
  height: 390px;
  margin: 0 26px;
  position: relative;
}

.sf-air-roof {
  width: 96%;
  height: 260px;
  background: transparent;
  position: absolute;
  left: 2%;
  top: 8px;
  z-index: 3;
}

.sf-air-roof::before {
  content: "";
  clip-path: polygon(50% 0, 100% 70%, 94% 77%, 50% 13%, 6% 77%, 0 70%);
  background: linear-gradient(180deg, #512b24, #2f1b1a);
  position: absolute;
  inset: 0;
}

.sf-air-active .sf-air-roof::before {
  background: linear-gradient(180deg, #246a94, #123f61);
}

.sf-air-attic {
  width: 88%;
  height: 210px;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  background: radial-gradient(circle at 50% 92%, #e86a2a, #722618 72%);
  position: absolute;
  left: 6%;
  top: 48px;
  overflow: hidden;
  z-index: 2;
}

.sf-air-active .sf-air-attic {
  background: radial-gradient(circle at 50% 100%, #0ca7e9, #0a4877 68%, #06315b);
}

.sf-air-room {
  width: 88%;
  height: 132px;
  border-top: 9px solid rgba(255, 255, 255, 0.64);
  background: rgba(221, 238, 248, 0.13);
  position: absolute;
  left: 6%;
  bottom: 0;
}

.sf-temp-chip {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(55, 10, 5, 0.68);
  color: #ffd6b8;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.09em;
  position: absolute;
  left: 50%;
  top: 74px;
  z-index: 4;
  transform: translateX(-50%);
  text-transform: uppercase;
  white-space: nowrap;
}

.sf-air-active .sf-temp-chip {
  background: rgba(0, 28, 70, 0.72);
  color: #abebff;
}

.sf-ridge-vent {
  width: 54px;
  height: 9px;
  border-radius: 8px;
  background: #bc6948;
  position: absolute;
  left: calc(50% - 27px);
  top: 23px;
}

.sf-solar-panel {
  width: 74px;
  height: 42px;
  border: 4px solid #f6c84e;
  border-radius: 5px;
  background:
    linear-gradient(90deg, transparent 47%, rgba(135, 212, 255, 0.5) 48% 52%, transparent 53%),
    linear-gradient(0deg, transparent 47%, rgba(135, 212, 255, 0.5) 48% 52%, transparent 53%),
    #075a9a;
  position: absolute;
  left: 14%;
  top: 100px;
  transform: rotate(-20deg) skewX(-6deg);
  box-shadow: 0 0 28px rgba(248, 200, 68, 0.52);
}

.sf-roof-fan {
  width: 38px;
  height: 38px;
  border: 5px solid #f6c84e;
  border-radius: 50%;
  background: #083663;
  position: absolute;
  left: calc(50% - 19px);
  top: 34px;
  box-shadow: 0 0 22px rgba(248, 200, 68, 0.55);
}

.sf-roof-fan b,
.sf-cfm-fan b {
  width: 24px;
  height: 5px;
  border-radius: 100%;
  background: #8bdcff;
  position: absolute;
  left: 2px;
  top: 11px;
  animation: sf-fan-spin 0.9s linear infinite;
}

.sf-roof-fan b::before,
.sf-roof-fan b::after,
.sf-cfm-fan b::before,
.sf-cfm-fan b::after {
  content: "";
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: inherit;
  position: absolute;
  inset: 0;
  transform: rotate(60deg);
}

.sf-roof-fan b::after,
.sf-cfm-fan b::after { transform: rotate(120deg); }

.sf-flow {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  position: absolute;
  z-index: 3;
}

.passive-flow {
  background: #f2ad79;
  box-shadow: -18px 14px 0 -2px #f2ad79, -35px 26px 0 -3px #f2ad79;
  animation: sf-passive-drift 6s ease-in-out infinite;
}

.active-flow {
  background: #7bddff;
  box-shadow: -16px 13px 0 -1px #7bddff, -32px 24px 0 -2px #7bddff, -50px 35px 0 -3px #7bddff;
  animation: sf-active-flow 1.35s linear infinite;
}

.flow-a { left: 16%; bottom: 24px; }
.flow-b { left: 36%; bottom: 13px; animation-delay: -1.6s; }
.flow-c { right: 19%; bottom: 22px; animation-delay: -3s; }
.flow-d { right: 37%; bottom: 7px; animation-delay: -0.7s; }

.sf-intake {
  width: 44px;
  height: 5px;
  border-radius: 4px;
  background: #60d2ff;
  position: absolute;
  bottom: 7px;
  z-index: 4;
}

.sf-air-passive .sf-intake { background: #b76d4c; }
.sf-intake-left { left: 8%; transform: rotate(-20deg); }
.sf-intake-right { right: 8%; transform: rotate(20deg); }

.sf-exhaust {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ffba3e;
  position: absolute;
  left: 50%;
  top: 30px;
  z-index: 5;
  box-shadow: 12px 18px 0 -1px #ff8f2d, -12px 20px 0 -2px #ffce61;
  animation: sf-exhaust-out 1.1s ease-out infinite;
}

.exhaust-b { animation-delay: -0.35s; transform: translateX(-18px); }
.exhaust-c { animation-delay: -0.72s; transform: translateX(18px); }

.sf-air-caption {
  padding: 20px 28px 28px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.sf-air-caption strong,
.sf-air-caption span {
  display: block;
}

.sf-air-caption strong {
  color: #fff;
  font-size: 17px;
}

.sf-air-caption span {
  color: #c7a28e;
  font-size: 14px;
}

.sf-air-active .sf-air-caption span { color: #8cd9fa; }

.sf-temperature-callout {
  margin: 18px 28px 28px;
  padding: 14px 17px;
  border: 1px solid currentColor;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08),0 12px 28px rgba(0,0,0,.18);
}

.sf-temperature-callout span,
.sf-temperature-callout strong {
  display: block;
}

.sf-temperature-callout span {
  max-width: 170px;
  color: #fff;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .025em;
  line-height: 1.25;
  text-transform: uppercase;
}

.sf-temperature-callout strong {
  flex: 0 0 auto;
  color: currentColor;
  font-size: clamp(29px,3vw,43px);
  font-weight: 950;
  letter-spacing: -.055em;
  line-height: .9;
}

.sf-temperature-callout strong small {
  margin-top: 6px;
  display: block;
  font-size: 9px;
  font-weight: 850;
  letter-spacing: .04em;
  line-height: 1.1;
  text-align: right;
  text-transform: uppercase;
}

.sf-temperature-hot {
  border-color: rgba(255,151,67,.58);
  background: linear-gradient(135deg,rgba(139,38,11,.84),rgba(83,22,11,.68));
  color: #ffb066;
}

.sf-temperature-cool {
  border-color: rgba(103,208,255,.58);
  background: linear-gradient(135deg,rgba(0,103,167,.82),rgba(0,48,101,.7));
  color: #82ddff;
}

.sf-card-edge-effect {
  border-radius: inherit;
  overflow: hidden;
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 6;
}

.sf-heat-edge {
  border-radius: 30px;
  box-shadow: 0 0 22px rgba(255,73,5,.34),0 -8px 26px rgba(255,126,17,.35);
  overflow: visible;
  inset: -5px;
  animation: sf-heat-glow 2.5s ease-in-out infinite alternate;
}

.sf-heat-edge::before {
  --sf-heat-angle: 0deg;
  content: "";
  padding: 3px;
  border-radius: inherit;
  background: conic-gradient(from var(--sf-heat-angle),transparent 0 50%,rgba(255,101,14,.18) 60%,#ff8a1d 72%,#ffd05c 79%,#ff6810 86%,transparent 98%);
  position: absolute;
  inset: 0;
  -webkit-mask: linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  filter: drop-shadow(0 0 8px rgba(255,94,9,.7));
  animation: sf-heat-ring 4.2s linear infinite;
}

.sf-frost-edge {
  background:
    linear-gradient(135deg,rgba(226,248,255,.88),transparent 10%) top left/82px 82px no-repeat,
    linear-gradient(225deg,rgba(226,248,255,.88),transparent 10%) top right/82px 82px no-repeat,
    linear-gradient(45deg,rgba(165,228,255,.65),transparent 11%) bottom left/96px 96px no-repeat,
    linear-gradient(315deg,rgba(165,228,255,.65),transparent 11%) bottom right/96px 96px no-repeat;
  box-shadow: inset 0 0 22px rgba(151,225,255,.78),inset 0 0 4px 2px rgba(237,252,255,.9);
  animation: sf-frost-build 4.8s ease-in-out infinite;
}

.sf-frost-edge::before,
.sf-frost-edge::after {
  content: "";
  height: 18px;
  background: repeating-linear-gradient(125deg,rgba(241,253,255,.92) 0 3px,rgba(139,219,255,.6) 3px 6px,transparent 6px 17px);
  filter: drop-shadow(0 0 6px rgba(134,220,255,.7));
  opacity: .82;
  position: absolute;
  left: 12px;
  right: 12px;
}

.sf-frost-edge::before { top: -3px; }
.sf-frost-edge::after { bottom: -3px; transform: rotate(180deg); }

.sf-frost-edge i {
  width: 22px;
  height: 22px;
  color: rgba(225,249,255,.92);
  filter: drop-shadow(0 0 6px rgba(124,216,255,.9));
  opacity: .3;
  position: absolute;
  animation: sf-ice-crystal 4.8s ease-in-out infinite;
}

.sf-frost-edge i::before,
.sf-frost-edge i::after {
  content: "";
  width: 100%;
  height: 2px;
  background: currentColor;
  position: absolute;
  left: 0;
  top: 10px;
  transform: rotate(45deg);
}

.sf-frost-edge i::after { transform: rotate(-45deg); }
.sf-frost-edge i:nth-child(1) { left: 3px; top: 12%; animation-delay: -.4s; }
.sf-frost-edge i:nth-child(2) { right: 3px; top: 22%; animation-delay: -1.1s; }
.sf-frost-edge i:nth-child(3) { left: 4px; top: 46%; animation-delay: -1.8s; }
.sf-frost-edge i:nth-child(4) { right: 4px; top: 57%; animation-delay: -2.5s; }
.sf-frost-edge i:nth-child(5) { left: 5px; top: 74%; animation-delay: -3.2s; }
.sf-frost-edge i:nth-child(6) { right: 4px; top: 84%; animation-delay: -3.9s; }
.sf-frost-edge i:nth-child(7) { left: 24%; top: 1px; animation-delay: -1.5s; }
.sf-frost-edge i:nth-child(8) { right: 25%; bottom: 1px; animation-delay: -3.1s; }

@keyframes sf-heat-glow {
  to { box-shadow: 0 0 30px rgba(255,67,4,.46),0 -11px 34px rgba(255,144,22,.46); }
}

@keyframes sf-heat-ring {
  to { --sf-heat-angle: 360deg; }
}

@keyframes sf-heat-card-pulse {
  0%,100% { filter: saturate(1) brightness(1); box-shadow: 0 0 34px rgba(255,82,8,.2),inset 0 0 28px rgba(255,70,4,.1); }
  50% { filter: saturate(1.13) brightness(1.035); box-shadow: 0 0 52px rgba(255,82,8,.34),inset 0 0 46px rgba(255,76,5,.19); }
}

@keyframes sf-frost-build {
  0%,100% { opacity: .68; filter: saturate(.85); }
  50% { opacity: 1; filter: saturate(1.2) brightness(1.13); }
}

@keyframes sf-ice-crystal {
  0%,100% { opacity: .25; transform: scale(.6) rotate(0); }
  52% { opacity: .95; transform: scale(1.15) rotate(90deg); }
}

.sf-vs-badge {
  width: 72px;
  height: 72px;
  border: 2px solid rgba(248, 204, 76, 0.56);
  border-radius: 50%;
  background: #001745;
  color: #f6c84d;
  display: grid;
  place-items: center;
  font-size: 17px;
  font-weight: 950;
  position: relative;
  z-index: 6;
  box-shadow: 0 0 30px rgba(248, 204, 76, 0.18);
}

.sf-difference {
  margin: 42px 0 0;
  color: var(--navy-900);
  font-size: clamp(27px, 3.3vw, 47px);
  font-weight: 720;
  letter-spacing: -0.045em;
  text-align: center;
}

.sf-difference strong { color: #f6c84d; }

.sf-quiet-note {
  margin: 9px 0 0;
  color: #5f7183;
  font-size: clamp(14px, 1.3vw, 18px);
  font-weight: 720;
  letter-spacing: -.015em;
  text-align: center;
}

.sf-movement-word {
  padding: 0 .12em .04em .08em;
  background: linear-gradient(100deg, #d99d17 0%, #f6c84d 31%, #fff4b3 46%, #f6c84d 58%, #d99d17 100%);
  background-size: 240% 100%;
  color: transparent !important;
  display: inline-block;
  font-style: italic;
  isolation: isolate;
  position: relative;
  transform: skewX(-5deg);
  -webkit-background-clip: text;
  background-clip: text;
  animation: sf-movement-glint 2.2s linear infinite;
}

.sf-movement-word::before {
  content: "";
  width: 118%;
  height: 38%;
  border-top: 1px solid rgba(100, 211, 255, .42);
  border-bottom: 1px solid rgba(100, 211, 255, .14);
  background: linear-gradient(90deg, transparent, rgba(58, 179, 237, .15), transparent);
  opacity: 0;
  pointer-events: none;
  position: absolute;
  left: -9%;
  top: 48%;
  z-index: -1;
  transform: translateX(-28%) skewX(-17deg);
  animation: sf-movement-whoosh 1.9s linear infinite;
}

.sf-movement-trails,
.sf-movement-trails i {
  pointer-events: none;
  position: absolute;
}

.sf-movement-trails {
  inset: 0;
  overflow: visible;
}

.sf-movement-trails i {
  width: .34em;
  height: .07em;
  border-radius: 999px;
  background: #75d8ff;
  opacity: 0;
  left: -.2em;
  box-shadow: -.22em 0 0 -.01em rgba(117, 216, 255, .35);
  animation: sf-movement-particle 1.35s linear infinite;
}

.sf-movement-trails i:nth-child(1) { top: 28%; }
.sf-movement-trails i:nth-child(2) { top: 53%; animation-delay: -.45s; }
.sf-movement-trails i:nth-child(3) { top: 75%; animation-delay: -.9s; }

/* Airflow-first comparison: no fake roof geometry. */
.sf-flow-field {
  height: 390px;
  margin: 0 26px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

.sf-flow-field-passive {
  background:
    radial-gradient(circle at 50% 62%, rgba(244, 95, 22, .72), transparent 31%),
    linear-gradient(180deg, #3d1716, #6a251a 62%, #311a1d);
}

.sf-flow-field-active {
  background:
    radial-gradient(circle at 50% 75%, rgba(14, 169, 234, .5), transparent 43%),
    linear-gradient(180deg, #012b5c, #064d85 67%, #00224d);
}

.sf-flow-field-active > img {
  width: 174px;
  height: 116px;
  border: 3px solid #f6c84d;
  border-radius: 12px;
  object-fit: cover;
  position: absolute;
  left: 50%;
  top: 26px;
  z-index: 4;
  transform: translateX(-50%);
  box-shadow: 0 0 30px rgba(246, 200, 77, .32), 0 14px 30px rgba(0, 4, 18, .25);
}

.sf-field-label {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  background: rgba(0, 8, 26, .48);
  color: #fff;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .1em;
  position: absolute;
  left: 50%;
  top: 160px;
  z-index: 5;
  transform: translateX(-50%);
  text-transform: uppercase;
  white-space: nowrap;
}

.sf-flow-field-passive .sf-field-label {
  top: 42px;
}

.sf-heat-mass {
  width: 76%;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(255, 112, 32, .73), rgba(155, 43, 16, .28) 58%, transparent 72%);
  filter: blur(3px);
  position: absolute;
  left: 12%;
  top: 90px;
  animation: sf-heat-mass-pulse 3.8s ease-in-out infinite;
}

.sf-heat-mass i {
  width: 13px;
  height: 110px;
  border-left: 4px solid rgba(255, 196, 116, .52);
  border-radius: 50%;
  position: absolute;
  bottom: 5px;
  animation: sf-heat-rise 3.8s ease-in-out infinite;
}

.sf-heat-mass i:nth-child(1) { left: 25%; }
.sf-heat-mass i:nth-child(2) { left: 49%; animation-delay: -1.2s; }
.sf-heat-mass i:nth-child(3) { left: 73%; animation-delay: -2.4s; }

.sf-passive-particle {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ffc283;
  position: absolute;
  bottom: 74px;
  opacity: .75;
  animation: sf-passive-float 7s ease-in-out infinite;
}

.particle-one { left: 23%; }
.particle-two { left: 49%; animation-delay: -2.3s; }
.particle-three { left: 74%; animation-delay: -4.6s; }

.sf-active-stream {
  width: 34%;
  height: 180px;
  position: absolute;
  bottom: 47px;
}

.stream-one { left: 4%; transform: rotate(-15deg); }
.stream-two { left: 33%; }
.stream-three { right: 4%; transform: rotate(15deg); }

.sf-active-stream i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #8de6ff;
  box-shadow: 0 0 12px rgba(88, 214, 255, .72);
  position: absolute;
  bottom: 0;
  animation: sf-air-rush 1.45s linear infinite;
}

.sf-active-stream i:nth-child(1) { left: 12%; }
.sf-active-stream i:nth-child(2) { left: 38%; animation-delay: -.34s; }
.sf-active-stream i:nth-child(3) { left: 65%; animation-delay: -.7s; }
.sf-active-stream i:nth-child(4) { left: 86%; animation-delay: -1.05s; }

.sf-exhaust-stream {
  width: 110px;
  height: 82px;
  position: absolute;
  left: 50%;
  top: 106px;
  z-index: 3;
  transform: translateX(-50%);
}

.sf-exhaust-stream i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ffbd45;
  position: absolute;
  left: 50%;
  bottom: 0;
  animation: sf-exhaust-pop 1.2s ease-out infinite;
}

.sf-exhaust-stream i:nth-child(2) { margin-left: -24px; animation-delay: -.4s; }
.sf-exhaust-stream i:nth-child(3) { margin-left: 24px; animation-delay: -.8s; }

.sf-flow-scale {
  width: calc(100% - 36px);
  position: absolute;
  left: 18px;
  bottom: 20px;
}

.sf-flow-scale span {
  margin-bottom: 6px;
  color: rgba(255, 255, 255, .72);
  display: block;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.sf-flow-scale i {
  width: 28%;
  height: 6px;
  border-radius: 999px;
  background: #d87445;
  display: block;
}

.sf-flow-field-active .sf-flow-scale i {
  width: 100%;
  background: linear-gradient(90deg, #37bfea, #8ae8ff);
  box-shadow: 0 0 15px rgba(74, 202, 244, .42);
}

/* Video story beats */
.sf-video-feature {
  background: #fff;
}

.sf-video-feature-grid {
  display: grid;
  grid-template-columns: minmax(280px, .55fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(42px, 7vw, 100px);
}

.sf-video-feature-copy h2 {
  margin: 0 0 20px;
  color: var(--navy-900);
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 930;
  letter-spacing: -.06em;
  line-height: .98;
  text-wrap: balance;
}

.sf-video-feature-copy > p:last-child {
  margin: 0;
  color: #526577;
  font-size: clamp(19px, 2vw, 27px);
  font-weight: 760;
  line-height: 1.4;
}

.sf-benefits-video {
  margin-top: 28px;
  border: 1px solid rgba(111, 198, 245, .28);
  border-radius: 24px;
  background: linear-gradient(135deg, #001745, #003c82);
  display: grid;
  grid-template-columns: .55fr 1fr;
  align-items: center;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 23, 69, .16);
}

.sf-benefits-video-copy {
  padding: clamp(30px, 4.5vw, 62px);
}

.sf-benefits-video-copy h3 {
  margin: 0 0 28px;
  color: #fff;
  font-size: clamp(31px, 3.6vw, 52px);
  font-weight: 920;
  letter-spacing: -.05em;
  line-height: 1;
}

@keyframes sf-heat-mass-pulse {
  50% { opacity: .68; transform: scale(1.08); }
}

@keyframes sf-passive-float {
  0%, 100% { opacity: .25; transform: translate(0, 0); }
  50% { opacity: .85; transform: translate(12px, -55px); }
}

@keyframes sf-air-rush {
  0% { opacity: 0; transform: translateY(0) scale(.65); }
  20%, 72% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-155px) scale(1.15); }
}

@keyframes sf-exhaust-pop {
  0% { opacity: 0; transform: translateY(12px); }
  25%, 65% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-70px) scale(1.2); }
}

/* Hot-attic consequences */
.sf-hotter {
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 132, 34, .24), transparent 31%),
    radial-gradient(circle at 90% 82%, rgba(255, 186, 50, .14), transparent 28%),
    linear-gradient(145deg, #30050c, #64100f 58%, #8f1e13);
}

.sf-hotter-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.sf-hotter-card {
  min-height: 480px;
  min-width: 0;
  padding: 22px 22px 34px;
  border: 1px solid #dce7ef;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(0, 23, 69, .07);
  overflow: hidden;
  position: relative;
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.sf-hotter-card::after {
  display: none;
}

.sf-hotter-card:hover {
  box-shadow: 0 28px 65px rgba(0, 23, 69, .13);
  transform: translateY(-7px);
}

.sf-hotter-visual {
  height: 235px;
  margin-bottom: 28px;
  border-radius: 16px;
  background:
    radial-gradient(circle at 50% 100%, rgba(255, 116, 25, .74), transparent 48%),
    linear-gradient(145deg, #49101a, #8d2119 55%, #c53d16);
  overflow: hidden;
  position: relative;
}

.sf-hotter-visual::before {
  content: "";
  background: repeating-linear-gradient(90deg, transparent 0 23px, rgba(255, 188, 71, .07) 24px 25px);
  -webkit-mask-image: linear-gradient(to top, #000, transparent 82%);
  mask-image: linear-gradient(to top, #000, transparent 82%);
  position: absolute;
  inset: 0;
}

.sf-hotter-card h3 {
  margin: 0 10px 13px;
  color: var(--navy-900);
  font-size: clamp(25px, 2.15vw, 32px);
  font-weight: 920;
  letter-spacing: -.045em;
  line-height: 1.05;
}

.sf-hotter-card p {
  margin: 0 10px;
  color: #536476;
  font-size: 16px;
  font-weight: 590;
  line-height: 1.58;
}

.sf-hot-roof,
.sf-attic-roof {
  width: 190px;
  height: 100px;
  background: linear-gradient(145deg, rgba(255, 171, 44, .2), rgba(255, 77, 19, .08));
  clip-path: polygon(50% 0, 100% 72%, 88% 84%, 50% 31%, 12% 84%, 0 72%);
  filter: drop-shadow(0 0 13px rgba(255, 113, 26, .42));
  position: absolute;
  left: 50%;
  top: 18px;
  transform: translateX(-50%);
}

.sf-water-drop {
  width: 42px;
  height: 42px;
  border: 3px solid #6fd7ff;
  border-radius: 65% 35% 68% 32% / 66% 37% 63% 34%;
  background: rgba(60, 191, 244, .18);
  box-shadow: 0 0 22px rgba(87, 207, 255, .38);
  position: absolute;
  left: calc(50% - 21px);
  top: 90px;
  transform: rotate(45deg);
  animation: sf-hotter-drop 2.5s ease-in-out infinite;
}

.sf-moisture-visual > i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #91d98c;
  box-shadow: 0 0 0 5px rgba(145, 217, 140, .08), 0 0 16px rgba(145, 217, 140, .35);
  position: absolute;
  bottom: 25px;
}

.sf-moisture-visual > i:nth-of-type(1) { left: 28%; }
.sf-moisture-visual > i:nth-of-type(2) { left: 63%; bottom: 35px; }
.sf-moisture-visual > i:nth-of-type(3) { left: 72%; bottom: 18px; transform: scale(.64); }

.sf-hot-ceiling {
  height: 8px;
  border-radius: 8px;
  background: linear-gradient(90deg, #ffb42b, #f45618, #ffb42b);
  box-shadow: 0 0 22px rgba(255, 89, 20, .78);
  position: absolute;
  inset: 36px 28px auto;
}

.sf-hvac-strain-visual > i,
.sf-attic-hit-visual > i {
  width: 22px;
  height: 60px;
  border-left: 4px solid #ff9b27;
  border-radius: 50%;
  opacity: .75;
  position: absolute;
  top: 52px;
  animation: sf-hotter-wave 2s ease-in-out infinite;
}

.sf-hvac-strain-visual > i:nth-of-type(1) { left: 31%; }
.sf-hvac-strain-visual > i:nth-of-type(2) { left: 48%; animation-delay: -.65s; }
.sf-hvac-strain-visual > i:nth-of-type(3) { left: 65%; animation-delay: -1.3s; }

.sf-hvac-strain-visual > strong {
  width: 102px;
  height: 50px;
  border: 2px solid #81d9ff;
  border-radius: 9px;
  background: #063b67;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 20px;
  letter-spacing: .08em;
  position: absolute;
  left: calc(50% - 51px);
  bottom: 17px;
  box-shadow: 0 0 18px rgba(69, 194, 245, .23);
}

.sf-attic-hit-visual .sf-attic-roof { top: 6px; }

.sf-storage-box {
  width: 94px;
  height: 58px;
  border: 3px solid #ffc051;
  border-radius: 5px;
  background: linear-gradient(135deg, #7d351b, #b85b20);
  position: absolute;
  left: calc(50% - 47px);
  bottom: 23px;
  box-shadow: inset 0 12px rgba(255, 194, 85, .09), 0 0 22px rgba(255, 105, 20, .34);
}

.sf-storage-box::before,
.sf-storage-box::after {
  content: "";
  background: rgba(255, 210, 117, .68);
  position: absolute;
}

.sf-storage-box::before { width: 3px; inset: 0 auto 0 50%; }
.sf-storage-box::after { height: 3px; inset: 18px 0 auto; }

.sf-attic-hit-visual > i { height: 42px; top: 75px; }
.sf-attic-hit-visual > i:nth-of-type(1) { left: 28%; }
.sf-attic-hit-visual > i:nth-of-type(2) { left: 47%; animation-delay: -.65s; }
.sf-attic-hit-visual > i:nth-of-type(3) { left: 68%; animation-delay: -1.3s; }

@keyframes sf-hotter-drop {
  50% { filter: brightness(1.25); transform: translateY(8px) rotate(45deg); }
}

@keyframes sf-hotter-wave {
  0%, 100% { opacity: .28; transform: translateY(5px) scaleY(.86); }
  50% { opacity: .9; transform: translateY(-7px) scaleY(1.08); }
}

/* Benefits */
.sf-benefits {
  background:
    radial-gradient(circle at 12% 12%, rgba(0, 142, 227, .2), transparent 34%),
    linear-gradient(145deg, #000b24, #001b4e 62%, #00306f);
}

.sf-benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.sf-benefit-card {
  min-height: 480px;
  padding: 22px 22px 34px;
  border: 1px solid #dce7ef;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(0, 23, 69, 0.07);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.sf-benefit-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 28px 65px rgba(0, 23, 69, 0.13);
}

.sf-benefit-visual {
  height: 235px;
  margin-bottom: 28px;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

.sf-comfort-visual {
  background: linear-gradient(180deg, #c6ecff, #effaff);
}

.sf-cool-house {
  width: 180px;
  height: 110px;
  background: #fff;
  position: absolute;
  left: 50%;
  bottom: 35px;
  transform: translateX(-50%);
  box-shadow: 0 12px 25px rgba(0, 76, 135, 0.12);
}

.sf-cool-house::before {
  content: "";
  width: 130px;
  height: 130px;
  background: #0c6da8;
  position: absolute;
  left: 25px;
  top: -66px;
  transform: rotate(45deg);
  z-index: -1;
}

.sf-cool-house::after {
  content: "";
  width: 43px;
  height: 65px;
  background: #d9effa;
  position: absolute;
  left: 69px;
  bottom: 0;
}

.sf-cool-house i,
.sf-cool-house i::before,
.sf-cool-house i::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #31b7ef;
  position: absolute;
}

.sf-cool-house i { left: 16px; top: -52px; animation: sf-cool-float 2.2s ease-in-out infinite; }
.sf-cool-house i::before { left: 132px; top: 39px; animation-delay: -.7s; }
.sf-cool-house i::after { left: 34px; top: 94px; animation-delay: -1.4s; }

.sf-comfort-visual > span {
  color: #0577b7;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .12em;
  position: absolute;
  left: 50%;
  top: 22px;
  transform: translateX(-50%);
  text-transform: uppercase;
}

.sf-ac-visual {
  background: linear-gradient(145deg, #fff0d2, #ffe2b0);
}

.sf-ac-unit {
  width: 165px;
  height: 132px;
  border: 7px solid #7a8892;
  border-radius: 8px;
  background: #afbbc1;
  position: absolute;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  box-shadow: 0 14px 22px rgba(84, 53, 14, 0.14);
}

.sf-ac-unit i {
  width: 84px;
  height: 84px;
  border: 12px solid #71818a;
  border-radius: 50%;
  position: absolute;
  left: 33px;
  top: 18px;
}

.sf-ac-unit i::before,
.sf-ac-unit i::after {
  content: "";
  width: 52px;
  height: 8px;
  border-radius: 50%;
  background: #566a75;
  position: absolute;
  left: 4px;
  top: 27px;
}

.sf-ac-unit i::after { transform: rotate(90deg); }

.sf-ac-visual > b {
  width: 8px;
  height: 54px;
  border-radius: 50%;
  border-left: 4px solid rgba(221, 74, 18, .58);
  position: absolute;
  top: 18px;
  animation: sf-heat-rise 2.1s ease-in-out infinite;
}

.sf-ac-visual > b:nth-of-type(1) { left: 31%; }
.sf-ac-visual > b:nth-of-type(2) { left: 49%; animation-delay: -.7s; }
.sf-ac-visual > b:nth-of-type(3) { left: 67%; animation-delay: -1.3s; }

.sf-protect-visual {
  background: linear-gradient(145deg, #dce9f5, #edf5fb);
}

.sf-shield {
  width: 106px;
  height: 122px;
  clip-path: polygon(50% 0, 94% 16%, 88% 67%, 50% 100%, 12% 67%, 6% 16%);
  background: linear-gradient(145deg, #005caf, #0da3ea);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 50px;
  font-weight: 900;
  position: absolute;
  left: 50%;
  top: 30px;
  transform: translateX(-50%);
  filter: drop-shadow(0 14px 16px rgba(0, 72, 139, .18));
}

.sf-mini-components {
  width: 230px;
  height: 33px;
  border: 6px solid #8297a6;
  border-radius: 20px;
  background: #b7c6ce;
  position: absolute;
  left: 50%;
  bottom: 33px;
  transform: translateX(-50%);
}

.sf-mini-components::before,
.sf-mini-components::after {
  content: "";
  width: 46px;
  height: 58px;
  border: 6px solid #d1a42b;
  border-radius: 4px;
  background: #ffe18d;
  position: absolute;
  bottom: -17px;
}

.sf-mini-components::before { left: 26px; }
.sf-mini-components::after { right: 26px; }

.sf-benefit-card h3 {
  margin: 0 10px 13px;
  color: var(--navy-900);
  font-size: clamp(25px, 2.15vw, 32px);
  font-weight: 900;
  letter-spacing: -0.045em;
}

.sf-benefit-card p {
  margin: 0 10px;
  color: #536476;
  font-size: 16px;
  font-weight: 590;
  line-height: 1.58;
}

/* Whole-home impact */
.sf-impact {
  background:
    radial-gradient(circle at 7% 17%, rgba(245, 110, 31, .2), transparent 27%),
    radial-gradient(circle at 93% 78%, rgba(27, 172, 235, .2), transparent 30%),
    linear-gradient(136deg, #10091d 0%, #00143b 44%, #00285d 100%);
  color: #fff;
  isolation: isolate;
  overflow: hidden;
  position: relative;
}

.sf-impact::before {
  content: "";
  background:
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 86%);
  mask-image: linear-gradient(to bottom, #000, transparent 86%);
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: -2;
}

.sf-impact::after {
  content: "";
  width: min(88vw, 1040px);
  height: 420px;
  border-radius: 50%;
  background: linear-gradient(90deg, rgba(239, 105, 29, .18), rgba(18, 148, 220, .22));
  filter: blur(110px);
  opacity: .72;
  pointer-events: none;
  position: absolute;
  left: 50%;
  top: 31%;
  transform: translateX(-50%);
  z-index: -1;
}

.sf-impact-heading {
  max-width: 1080px;
  margin-bottom: clamp(40px, 5vw, 62px);
}

.sf-impact-heading h2 {
  font-size: clamp(45px, 5.5vw, 78px);
}

.sf-impact-intro {
  max-width: 810px;
  margin: 24px auto 0;
  color: #c9deec;
  font-size: clamp(17px, 1.55vw, 21px);
  font-weight: 570;
  line-height: 1.55;
  text-wrap: balance;
}

.sf-impact-path {
  max-width: 1040px;
  margin: 0 auto clamp(34px, 4vw, 52px);
  padding: 12px;
  border: 1px solid rgba(148, 205, 235, .2);
  border-radius: 22px;
  background: rgba(0, 11, 37, .56);
  box-shadow: 0 20px 55px rgba(0, 3, 18, .3), inset 0 1px rgba(255, 255, 255, .045);
  display: grid;
  grid-template-columns: 1fr 42px 1fr 42px 1fr;
  align-items: center;
  gap: 7px;
}

.sf-impact-path > i {
  color: #6acbf3;
  font-size: 25px;
  font-style: normal;
  text-align: center;
  animation: sf-impact-arrow 2.2s ease-in-out infinite;
}

.sf-impact-stage {
  min-height: 82px;
  padding: 15px 16px;
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 13px;
}

.sf-impact-stage > span {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 50%;
  flex: 0 0 auto;
  position: relative;
}

.sf-impact-stage strong,
.sf-impact-stage small {
  display: block;
}

.sf-impact-stage strong {
  color: #fff;
  font-size: 15px;
  font-weight: 920;
  letter-spacing: -.01em;
  line-height: 1.2;
  text-transform: uppercase;
}

.sf-impact-stage small {
  margin-top: 4px;
  color: #9fb8ca;
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .055em;
  line-height: 1.25;
  text-transform: uppercase;
}

.sf-impact-stage-hot {
  background: linear-gradient(135deg, rgba(139, 34, 23, .66), rgba(83, 18, 27, .5));
}

.sf-impact-stage-hot > span {
  background: radial-gradient(circle, #ffd167 0 18%, #f47927 20% 42%, rgba(173, 38, 22, .55) 44% 100%);
  box-shadow: 0 0 21px rgba(244, 103, 28, .34);
}

.sf-impact-stage-hot > span::after {
  content: "";
  width: 19px;
  height: 8px;
  border-top: 2px solid #ffd777;
  border-radius: 50%;
  position: absolute;
  left: 11px;
  top: 16px;
  transform: rotate(-12deg);
}

.sf-impact-stage-air {
  background: linear-gradient(135deg, rgba(0, 93, 150, .64), rgba(0, 52, 107, .55));
}

.sf-impact-stage-air > span {
  background: rgba(23, 154, 218, .16);
  box-shadow: 0 0 21px rgba(41, 174, 234, .24);
}

.sf-impact-stage-air > span::before {
  content: "";
  width: 24px;
  height: 24px;
  border: 2px solid #81ddff;
  border-radius: 50%;
  position: absolute;
  left: 7px;
  top: 7px;
}

.sf-impact-stage-air > span::after {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: conic-gradient(from 18deg, #93e5ff 0 16%, transparent 17% 33%, #93e5ff 34% 50%, transparent 51% 67%, #93e5ff 68% 84%, transparent 85%);
  position: absolute;
  left: 12px;
  top: 12px;
  animation: sf-fan-spin 5s linear infinite;
}

.sf-impact-stage-better {
  background: linear-gradient(135deg, rgba(7, 107, 147, .55), rgba(7, 68, 119, .58));
}

.sf-impact-stage-better > span {
  background: linear-gradient(145deg, #12a7dc, #49c3e8);
  box-shadow: 0 0 22px rgba(56, 195, 232, .28);
}

.sf-impact-stage-better > span::after {
  content: "✓";
  color: #fff;
  display: grid;
  font-size: 22px;
  font-weight: 950;
  place-items: center;
  position: absolute;
  inset: 0;
}

.sf-impact-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.sf-impact-card {
  --sf-card-accent: 244, 133, 39;
  min-height: 320px;
  min-width: 0;
  padding: 27px 28px 30px;
  border: 1px solid rgba(var(--sf-card-accent), .27);
  border-radius: 22px;
  background:
    radial-gradient(circle at 0 0, rgba(var(--sf-card-accent), .16), transparent 46%),
    linear-gradient(145deg, rgba(255, 255, 255, .082), rgba(255, 255, 255, .035));
  box-shadow: 0 22px 52px rgba(0, 5, 24, .25), inset 0 1px rgba(255, 255, 255, .05);
  isolation: isolate;
  overflow: hidden;
  position: relative;
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.sf-impact-card:nth-child(1),
.sf-impact-card:nth-child(2) {
  grid-column: span 3;
}

.sf-impact-card:nth-child(n + 3) {
  grid-column: span 2;
}

.sf-impact-card:nth-child(2) { --sf-card-accent: 231, 91, 43; }
.sf-impact-card:nth-child(3) { --sf-card-accent: 245, 164, 54; }
.sf-impact-card:nth-child(4) { --sf-card-accent: 235, 125, 42; }
.sf-impact-card:nth-child(5) { --sf-card-accent: 48, 187, 229; }

.sf-impact-card::before {
  content: "";
  height: 3px;
  background: linear-gradient(90deg, rgb(var(--sf-card-accent)), rgba(var(--sf-card-accent), .12));
  position: absolute;
  inset: 0 0 auto;
}

.sf-impact-card::after {
  content: "";
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(var(--sf-card-accent), .12);
  filter: blur(42px);
  pointer-events: none;
  position: absolute;
  right: -76px;
  top: -78px;
  z-index: -1;
}

.sf-impact-card:hover {
  border-color: rgba(var(--sf-card-accent), .52);
  box-shadow: 0 30px 66px rgba(0, 5, 24, .38), 0 0 28px rgba(var(--sf-card-accent), .07);
  transform: translateY(-6px);
}

.sf-impact-card-top {
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sf-impact-card-top > span {
  color: rgba(var(--sf-card-accent), .78);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .16em;
}

.sf-impact-icon {
  width: 58px;
  height: 58px;
  border: 1px solid rgba(var(--sf-card-accent), .46);
  border-radius: 16px;
  background: rgba(var(--sf-card-accent), .1);
  color: rgb(var(--sf-card-accent));
  box-shadow: inset 0 1px rgba(255, 255, 255, .06), 0 10px 25px rgba(0, 4, 18, .16);
  position: relative;
}

.sf-impact-icon-comfort::before,
.sf-impact-icon-roof::before,
.sf-impact-icon-performance::before {
  content: "";
  width: 26px;
  height: 26px;
  border-left: 3px solid currentColor;
  border-top: 3px solid currentColor;
  position: absolute;
  left: 14px;
  top: 11px;
  transform: rotate(45deg);
}

.sf-impact-icon-comfort::after {
  content: "";
  width: 27px;
  height: 18px;
  border-right: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
  border-left: 3px solid currentColor;
  position: absolute;
  left: 14px;
  bottom: 10px;
}

.sf-impact-icon-comfort i {
  width: 12px;
  height: 3px;
  border-radius: 4px;
  background: currentColor;
  box-shadow: 0 7px currentColor;
  opacity: .7;
  position: absolute;
  left: 23px;
  bottom: 15px;
}

.sf-impact-icon-hvac::before {
  content: "";
  width: 34px;
  height: 30px;
  border: 3px solid currentColor;
  border-radius: 6px;
  position: absolute;
  left: 9px;
  top: 11px;
}

.sf-impact-icon-hvac::after {
  content: "";
  width: 19px;
  height: 19px;
  border: 2px solid currentColor;
  border-radius: 50%;
  position: absolute;
  left: 17px;
  top: 17px;
}

.sf-impact-icon-hvac i {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: conic-gradient(from 10deg, currentColor 0 17%, transparent 18% 33%, currentColor 34% 51%, transparent 52% 67%, currentColor 68% 85%, transparent 86%);
  position: absolute;
  left: 21px;
  top: 21px;
  animation: sf-fan-spin 5s linear infinite;
}

.sf-impact-icon-duct::before {
  content: "";
  width: 35px;
  height: 17px;
  border: 3px solid currentColor;
  border-radius: 10px;
  position: absolute;
  left: 9px;
  top: 18px;
}

.sf-impact-icon-duct::after {
  content: "";
  width: 17px;
  height: 23px;
  border-right: 2px solid currentColor;
  border-left: 2px solid currentColor;
  opacity: .65;
  position: absolute;
  left: 19px;
  top: 17px;
}

.sf-impact-icon-duct i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 8px 0 currentColor, 16px 0 currentColor;
  opacity: .72;
  position: absolute;
  left: 17px;
  top: 24px;
}

.sf-impact-icon-roof::after {
  content: "";
  width: 37px;
  height: 3px;
  border-radius: 4px;
  background: currentColor;
  box-shadow: -8px 7px rgba(var(--sf-card-accent), .5), 8px 14px rgba(var(--sf-card-accent), .28);
  position: absolute;
  left: 10px;
  top: 36px;
}

.sf-impact-icon-roof i {
  width: 3px;
  height: 25px;
  background: currentColor;
  opacity: .55;
  position: absolute;
  left: 27px;
  top: 21px;
}

.sf-impact-icon-moisture::before {
  content: "";
  width: 23px;
  height: 23px;
  border: 3px solid currentColor;
  border-radius: 68% 32% 66% 34% / 67% 34% 66% 33%;
  position: absolute;
  left: 15px;
  top: 12px;
  transform: rotate(45deg);
}

.sf-impact-icon-moisture::after {
  content: "";
  width: 28px;
  height: 9px;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  opacity: .62;
  position: absolute;
  left: 14px;
  bottom: 8px;
}

.sf-impact-icon-moisture i {
  width: 18px;
  height: 2px;
  border-radius: 3px;
  background: currentColor;
  opacity: .5;
  position: absolute;
  right: 5px;
  top: 21px;
  animation: sf-impact-airline 2.4s ease-in-out infinite;
}

.sf-impact-icon-storage::before {
  content: "";
  width: 34px;
  height: 27px;
  border: 3px solid currentColor;
  border-radius: 4px;
  background: rgba(var(--sf-card-accent), .08);
  position: absolute;
  left: 9px;
  top: 17px;
}

.sf-impact-icon-storage::after {
  content: "";
  width: 34px;
  height: 3px;
  background: currentColor;
  box-shadow: 0 9px rgba(var(--sf-card-accent), .48);
  position: absolute;
  left: 12px;
  top: 25px;
}

.sf-impact-icon-storage i {
  width: 3px;
  height: 27px;
  background: currentColor;
  opacity: .6;
  position: absolute;
  left: 27px;
  top: 20px;
}

.sf-impact-icon-performance::after {
  content: "↗";
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: rgb(var(--sf-card-accent));
  color: #00143b;
  display: grid;
  font-size: 17px;
  font-weight: 950;
  place-items: center;
  position: absolute;
  right: 5px;
  top: 5px;
}

.sf-impact-icon-performance i {
  width: 28px;
  height: 20px;
  border-right: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
  border-left: 3px solid currentColor;
  position: absolute;
  left: 13px;
  bottom: 8px;
}

.sf-impact-card h3 {
  max-width: 560px;
  margin: 0 0 13px;
  color: #fff;
  font-size: clamp(24px, 2vw, 30px);
  font-weight: 920;
  letter-spacing: -.045em;
  line-height: 1.05;
  text-wrap: balance;
}

.sf-impact-card p {
  margin: 0;
  color: #bcd0df;
  font-size: 15px;
  font-weight: 560;
  line-height: 1.58;
}

.sf-impact-card-solution {
  background:
    radial-gradient(circle at 0 0, rgba(48, 187, 229, .28), transparent 48%),
    linear-gradient(145deg, rgba(15, 96, 148, .86), rgba(5, 48, 99, .78));
}

.sf-impact-close {
  max-width: 930px;
  margin: clamp(38px, 5vw, 62px) auto 0;
  color: #a9c5d8;
  font-size: clamp(20px, 2.3vw, 29px);
  font-weight: 680;
  letter-spacing: -.025em;
  line-height: 1.4;
  text-align: center;
  text-wrap: balance;
}

.sf-impact-close strong {
  color: #fff;
  font-weight: 880;
}

@keyframes sf-impact-arrow {
  50% { color: #f6c84d; transform: translateX(4px); }
}

@keyframes sf-impact-airline {
  50% { opacity: .9; transform: translateX(5px); }
}

@media (max-width: 980px) {
  .sf-impact-grid {
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sf-impact-card:nth-child(n) {
    grid-column: span 1;
  }

  .sf-impact-card-solution:last-child {
    grid-column: 1 / -1;
  }

  .sf-impact-card {
    min-height: 0;
  }
}

@media (max-width: 760px) {
  .sf-impact-heading {
    margin-bottom: 30px;
  }

  .sf-impact-intro {
    font-size: 17px;
  }

  .sf-impact-path {
    width: min(100%, 520px);
    padding: 10px;
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .sf-impact-path > i {
    height: 23px;
    line-height: 23px;
    transform: rotate(90deg);
    animation-name: sf-impact-arrow-mobile;
  }

  .sf-impact-stage {
    min-height: 70px;
  }

  .sf-impact-grid {
    grid-template-columns: 1fr;
  }

  .sf-impact-card:nth-child(n),
  .sf-impact-card-solution:last-child {
    grid-column: auto;
    min-height: 0;
  }
}

@media (max-width: 480px) {
  .sf-impact-heading h2 {
    font-size: clamp(39px, 12vw, 52px);
  }

  .sf-impact-card {
    padding: 23px 22px 25px;
  }

  .sf-impact-card-top {
    margin-bottom: 21px;
  }

  .sf-impact-card p {
    font-size: 14px;
  }
}

@keyframes sf-impact-arrow-mobile {
  0%, 100% { transform: rotate(90deg) translateX(0); }
  50% { color: #f6c84d; transform: rotate(90deg) translateX(4px); }
}

/* Solar attic fan benefits */
.sf-impact {
  background:
    radial-gradient(circle at 8% 12%, rgba(47, 163, 218, .1), transparent 31%),
    radial-gradient(circle at 92% 88%, rgba(234, 183, 68, .12), transparent 34%),
    linear-gradient(142deg, #fffdf8 0%, #faf5e9 53%, #f3ead8 100%);
  color: #07182c;
  padding-top: clamp(62px, 5vw, 82px);
  padding-bottom: 0;
  isolation: isolate;
  overflow: hidden;
  position: relative;
}

.sf-impact::before,
.sf-impact::after {
  display: none;
}

.sf-impact-heading {
  max-width: 1040px;
  margin-bottom: clamp(38px, 4vw, 52px);
  padding-top: clamp(20px, 3vw, 34px);
  isolation: isolate;
  position: relative;
}

.sf-impact-heading h2 {
  color: #b11232;
  font-size: clamp(48px, 5.2vw, 74px);
  font-weight: 760;
  letter-spacing: -.055em;
  line-height: .98;
  -webkit-text-stroke: 1px #72091f;
  paint-order: stroke fill;
  text-shadow: 0 0 8px rgba(202, 23, 57, .42), 0 0 20px rgba(163, 8, 43, .22);
  text-wrap: balance;
  transform-origin: center;
  animation: sf-problem-tremble 3.8s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

.sf-problem-flames {
  height: 100%;
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 1;
}

.sf-problem-flames span {
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1;
  opacity: .82;
  position: absolute;
  filter: drop-shadow(0 0 8px rgba(234, 60, 20, .48));
  transform-origin: 50% 100%;
  animation: sf-flame-flicker 1.45s ease-in-out infinite alternate;
}

.sf-problem-flames span:nth-child(1) { left: 5%; top: 44%; animation-delay: -.8s; }
.sf-problem-flames span:nth-child(2) { left: 24%; top: -2px; animation-delay: -.35s; }
.sf-problem-flames span:nth-child(3) { left: calc(50% - 18px); top: -16px; animation-delay: -.95s; }
.sf-problem-flames span:nth-child(4) { right: 24%; top: -2px; animation-delay: -.15s; }
.sf-problem-flames span:nth-child(5) { right: 5%; top: 44%; animation-delay: -.62s; }

@keyframes sf-problem-tremble {
  0%, 7%, 15%, 100% { transform: translate3d(0, 0, 0) rotate(0); }
  9% { transform: translate3d(-1px, 0, 0) rotate(-.12deg); }
  11% { transform: translate3d(1px, .4px, 0) rotate(.12deg); }
  13% { transform: translate3d(-.6px, 0, 0) rotate(-.07deg); }
}

@keyframes sf-flame-flicker {
  0% { opacity: .64; transform: translateY(2px) scale(.9) rotate(-4deg); }
  55% { opacity: 1; transform: translateY(-3px) scale(1.06) rotate(3deg); }
  100% { opacity: .76; transform: translateY(-1px) scale(.96) rotate(-2deg); }
}

.sf-impact-heading h2 span {
  color: #f6c84d;
  text-shadow: 0 0 30px rgba(246, 200, 77, .2);
}

.sf-benefits-video-frame {
  --electric-angle: 0deg;
  width: min(100%, 1000px);
  aspect-ratio: 16 / 9;
  margin: 0 auto clamp(25px, 3vw, 36px);
  border-radius: 20px;
  background: #000b20;
  isolation: isolate;
  overflow: hidden;
  position: relative;
}

.sf-benefits-video-frame::before {
  content: "";
  padding: 4px;
  border-radius: inherit;
  background: conic-gradient(
    from var(--electric-angle),
    #6b450c 0%,
    #e6a92f 7%,
    #fff3a9 11%,
    #bd7715 16%,
    #5c3908 36%,
    #d89a26 47%,
    #fff8c8 52%,
    #bb7112 58%,
    #543207 76%,
    #efbb49 91%,
    #6b450c 100%
  );
  filter: drop-shadow(0 0 4px rgba(238, 185, 59, .5));
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 2;
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: premium-gold-spin 5.6s linear infinite;
}

.sf-benefits-video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  position: absolute;
  inset: 0;
  z-index: 1;
}

.sf-problem-family {
  width: min(100%, 420px);
  margin: clamp(24px, 3vw, 38px) auto clamp(36px, 5vw, 58px);
}

.sf-benefits-backdrop {
  padding: clamp(66px, 6vw, 92px) 0 clamp(76px, 7vw, 108px);
  background:
    radial-gradient(circle at 8% 12%, rgba(17, 150, 226, .3), transparent 31%),
    radial-gradient(circle at 92% 88%, rgba(0, 111, 190, .34), transparent 34%),
    linear-gradient(142deg, #000b28 0%, #001b50 53%, #003773 100%);
  color: #fff;
}

.sf-benefits-subheading {
  max-width: 900px;
  margin: 0 auto clamp(30px, 4vw, 46px);
  color: #fff;
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 850;
  letter-spacing: -.04em;
  line-height: 1.08;
  text-align: center;
  text-shadow: 0 0 22px rgba(66, 183, 245, .2);
  text-wrap: balance;
}

.sf-benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.sf-benefits-card {
  min-width: 0;
  min-height: 396px;
  padding: 30px 32px 34px;
  border: 1px solid rgba(158, 215, 246, .72);
  border-radius: 22px;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  position: relative;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 5, 25, .25), inset 0 1px rgba(255, 255, 255, .8);
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.sf-benefits-card:hover {
  border-color: rgba(246, 200, 77, .78);
  box-shadow: 0 28px 62px rgba(0, 5, 25, .36), 0 0 24px rgba(246, 200, 77, .08);
  transform: translateY(-5px);
}

/* This is the same shine sweep used by The Sun Does the Work cards. */
.sf-benefits-card::before {
  content: "";
  border-radius: inherit;
  background: linear-gradient(115deg, transparent 30%, rgba(46, 171, 235, .18) 47%, rgba(246, 200, 77, .24) 52%, transparent 69%);
  background-size: 240% 100%;
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 1;
  animation: sf-card-shine 7s linear infinite;
}

.sf-benefits-card > :not(.sf-benefit-fx) {
  position: relative;
  z-index: 2;
}

.sf-benefit-fx {
  border-radius: inherit;
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Cooler home: ice gathering around the card edges. */
.sf-freeze-fx {
  background:
    linear-gradient(90deg, rgba(107, 214, 255, .2), transparent 10% 90%, rgba(107, 214, 255, .2)),
    linear-gradient(rgba(155, 231, 255, .18), transparent 12% 88%, rgba(107, 214, 255, .24));
  box-shadow: inset 0 0 28px rgba(72, 193, 240, .18);
}

.sf-freeze-fx i {
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: #68cef2;
  opacity: .48;
  position: absolute;
  animation: sf-ice-edge 4.8s ease-in-out infinite;
}

.sf-freeze-fx i::before,
.sf-freeze-fx i::after {
  content: "";
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: inherit;
  position: absolute;
  inset: 0;
  transform: rotate(60deg);
}

.sf-freeze-fx i::after { transform: rotate(-60deg); }
.sf-freeze-fx i:nth-child(1) { left: 12px; top: 13%; }
.sf-freeze-fx i:nth-child(2) { right: 9px; top: 28%; animation-delay: -.8s; }
.sf-freeze-fx i:nth-child(3) { left: 8px; top: 57%; animation-delay: -1.6s; }
.sf-freeze-fx i:nth-child(4) { right: 11px; top: 76%; animation-delay: -2.4s; }
.sf-freeze-fx i:nth-child(5) { left: 24%; bottom: 8px; animation-delay: -3.2s; }
.sf-freeze-fx i:nth-child(6) { right: 24%; top: 8px; animation-delay: -4s; }

/* Energy bills: dollar signs gently pop in and float upward. */
.sf-money-fx {
  overflow: hidden;
  background: radial-gradient(circle at 50% 105%, rgba(68, 175, 88, .18), transparent 48%);
}

.sf-money-fx i {
  color: rgba(28, 139, 62, .34);
  font-size: 28px;
  font-style: normal;
  font-weight: 950;
  line-height: 1;
  position: absolute;
  bottom: -36px;
  animation: sf-money-float 8.4s ease-in infinite;
}

.sf-money-fx i:nth-child(1) { left: 9%; }
.sf-money-fx i:nth-child(2) { left: 27%; font-size: 20px; animation-delay: -5.6s; }
.sf-money-fx i:nth-child(3) { left: 51%; font-size: 33px; animation-delay: -2.2s; }
.sf-money-fx i:nth-child(4) { left: 73%; font-size: 22px; animation-delay: -6.8s; }
.sf-money-fx i:nth-child(5) { left: 89%; animation-delay: -3.9s; }

/* Roof life: a quiet analog clock turns behind the content. */
.sf-clock-fx {
  background: radial-gradient(circle at calc(100% - 70px) calc(100% - 65px), rgba(0, 78, 139, .09), transparent 38%);
}

.sf-clock-fx i {
  width: 280px;
  height: 280px;
  border: 2px solid rgba(0, 50, 103, .12);
  border-radius: 50%;
  background: repeating-conic-gradient(from -1deg, rgba(0, 51, 103, .22) 0 1.4deg, transparent 1.5deg 30deg);
  -webkit-mask: radial-gradient(circle, transparent 0 83%, #000 84% 100%);
  mask: radial-gradient(circle, transparent 0 83%, #000 84% 100%);
  position: absolute;
  right: -70px;
  bottom: -75px;
}

.sf-clock-fx b,
.sf-clock-fx span {
  width: 3px;
  height: 91px;
  border-radius: 4px;
  background: rgba(0, 50, 103, .19);
  position: absolute;
  right: 68px;
  bottom: 65px;
  transform-origin: 50% 100%;
  animation: sf-clock-turn 18s linear infinite;
}

.sf-clock-fx span {
  width: 2px;
  height: 112px;
  right: 69px;
  background: rgba(205, 38, 43, .18);
  animation-duration: 8s;
}

.sf-clock-fx b::after {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(0, 50, 103, .24);
  position: absolute;
  left: -4px;
  bottom: -6px;
}

/* HVAC life: an easy-running unit sends soft air out to the left. */
.sf-hvac-easy-fx {
  background: linear-gradient(110deg, rgba(112, 207, 243, .13), transparent 44%);
}

.sf-hvac-easy-fx span {
  width: 168px;
  height: 190px;
  border: 8px solid rgba(50, 82, 105, .08);
  border-radius: 16px 0 0 0;
  background: linear-gradient(145deg, rgba(166, 193, 207, .13), rgba(71, 106, 128, .08));
  position: absolute;
  right: -32px;
  bottom: -38px;
}

.sf-hvac-easy-fx span::before {
  content: "";
  width: 96px;
  height: 96px;
  border: 6px solid rgba(8, 113, 170, .13);
  border-radius: 50%;
  position: absolute;
  left: 23px;
  top: 25px;
}

.sf-hvac-easy-fx span b {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: conic-gradient(from 10deg, rgba(8, 113, 170, .18) 0 16%, transparent 17% 33%, rgba(8, 113, 170, .18) 34% 50%, transparent 51% 67%, rgba(8, 113, 170, .18) 68% 84%, transparent 85%);
  position: absolute;
  left: 35px;
  top: 37px;
  animation: sf-easy-fan 2.25s linear infinite;
}

.sf-hvac-easy-fx > i {
  width: 150px;
  height: 18px;
  border-top: 3px solid rgba(15, 144, 202, .22);
  border-radius: 50%;
  position: absolute;
  right: 92px;
  top: 40%;
  animation: sf-easy-air 3.6s ease-in-out infinite;
}

.sf-hvac-easy-fx > i:nth-of-type(2) { top: 52%; animation-delay: -1.2s; }
.sf-hvac-easy-fx > i:nth-of-type(3) { top: 64%; animation-delay: -2.4s; }

/* Fungus risk: small organic caps slowly grow along the edges. */
.sf-fungus-fx {
  background:
    radial-gradient(circle at 0 100%, rgba(86, 131, 56, .17), transparent 31%),
    radial-gradient(circle at 100% 100%, rgba(111, 148, 70, .14), transparent 27%);
}

.sf-fungus-fx i {
  width: 7px;
  height: 28px;
  border-radius: 6px 6px 1px 1px;
  background: rgba(102, 130, 71, .32);
  position: absolute;
  bottom: -2px;
  transform-origin: 50% 100%;
  animation: sf-fungus-grow 6.5s ease-in-out infinite;
}

.sf-fungus-fx i::before {
  content: "";
  width: 34px;
  height: 17px;
  border-radius: 28px 28px 7px 7px;
  background:
    radial-gradient(circle at 32% 46%, rgba(255, 255, 255, .55) 0 2px, transparent 3px),
    radial-gradient(circle at 66% 35%, rgba(255, 255, 255, .42) 0 2px, transparent 3px),
    rgba(105, 143, 69, .42);
  position: absolute;
  left: -14px;
  top: -5px;
}

.sf-fungus-fx i:nth-child(1) { left: 4%; height: 32px; }
.sf-fungus-fx i:nth-child(2) { left: 13%; height: 19px; animation-delay: -1.3s; }
.sf-fungus-fx i:nth-child(3) { right: 5%; height: 37px; animation-delay: -2.6s; }
.sf-fungus-fx i:nth-child(4) { right: 15%; height: 22px; animation-delay: -3.9s; }
.sf-fungus-fx i:nth-child(5) { width: 5px; height: 18px; right: -1px; bottom: 44%; animation-delay: -5.2s; transform: rotate(-90deg); }

/* Cost efficiency: a breezy beach scene that is comfortably off the clock. */
.sf-beach-fx {
  overflow: hidden;
  background: linear-gradient(180deg, rgba(151, 224, 252, .12) 0 56%, rgba(15, 155, 210, .14) 57% 74%, rgba(235, 196, 101, .2) 75% 100%);
}

.sf-beach-fx::before {
  content: "";
  height: 36px;
  background: radial-gradient(36px 13px at 36px 0, transparent 94%, rgba(255, 255, 255, .62) 100%) 0 0 / 72px 22px repeat-x;
  opacity: .72;
  position: absolute;
  right: 0;
  bottom: 22%;
  left: 0;
  animation: sf-beach-wave 5s linear infinite;
}

.sf-beach-fx i {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: rgba(246, 185, 47, .24);
  position: absolute;
  right: 27px;
  top: 27px;
  box-shadow: 0 0 0 12px rgba(246, 185, 47, .07), 0 0 38px rgba(246, 185, 47, .14);
  animation: sf-beach-sun 5.5s ease-in-out infinite;
}

.sf-beach-fx b {
  width: 6px;
  height: 92px;
  border-radius: 50%;
  background: rgba(130, 86, 35, .3);
  position: absolute;
  right: 72px;
  bottom: 19px;
  transform: rotate(12deg);
}

.sf-beach-fx b::before {
  content: "";
  width: 88px;
  height: 44px;
  border-radius: 50%;
  background: conic-gradient(from 75deg at 50% 100%, rgba(52, 156, 81, .32), transparent 12% 18%, rgba(52, 156, 81, .32) 20% 32%, transparent 34% 42%, rgba(52, 156, 81, .32) 44% 57%, transparent 59% 67%, rgba(52, 156, 81, .32) 69% 81%, transparent 83%);
  position: absolute;
  left: -40px;
  top: -25px;
  transform: rotate(-9deg);
}

.sf-beach-fx span {
  width: 76px;
  height: 37px;
  border-radius: 76px 76px 4px 4px;
  background: repeating-linear-gradient(90deg, rgba(223, 58, 54, .31) 0 14px, rgba(255, 255, 255, .36) 14px 28px);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  position: absolute;
  left: 28px;
  bottom: 60px;
  transform: rotate(-5deg);
}

.sf-beach-fx span::after {
  content: "";
  width: 3px;
  height: 48px;
  background: rgba(85, 67, 51, .27);
  position: absolute;
  left: 37px;
  top: 30px;
}

.sf-benefits-icon {
  width: 104px;
  height: 104px;
  margin-bottom: 15px;
  flex: 0 0 auto;
}

.sf-benefits-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.sf-benefits-icon path,
.sf-benefits-icon circle,
.sf-benefits-icon rect {
  vector-effect: non-scaling-stroke;
}

.sf-icon-ring {
  fill: #f8f9fa;
  stroke: #001745;
  stroke-width: 2.2;
}

.sf-icon-navy,
.sf-icon-navy-soft,
.sf-icon-blue,
.sf-icon-red,
.sf-icon-green,
.sf-icon-white {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}

.sf-icon-navy { color: #001745; stroke: currentColor; }
.sf-icon-navy-soft { color: #092d58; stroke: currentColor; }
.sf-icon-blue { color: #1284bf; stroke: currentColor; }
.sf-icon-red { color: #d5232a; stroke: currentColor; }
.sf-icon-green { color: #52a83d; stroke: currentColor; }
.sf-icon-white { color: #fff; stroke: currentColor; }

.sf-icon-fill {
  fill: currentColor;
  stroke: none;
}

.sf-benefits-card h3 {
  margin: 0 0 14px;
  color: #15161a;
  font-size: clamp(25px, 2vw, 30px);
  font-weight: 900;
  letter-spacing: -.035em;
  line-height: 1.12;
}

.sf-benefits-card p {
  max-width: 31ch;
  margin: 0;
  color: #30343a;
  font-size: 15px;
  font-weight: 480;
  line-height: 1.48;
}

@keyframes sf-ice-edge {
  0%, 100% { opacity: .25; transform: scale(.78) rotate(0); }
  50% { opacity: .72; transform: scale(1.08) rotate(12deg); }
}

@keyframes sf-money-float {
  0% { opacity: 0; transform: translateY(0) scale(.45); }
  10% { opacity: .8; transform: translateY(-12px) scale(1.08); }
  18% { transform: translateY(-27px) scale(1); }
  78% { opacity: .52; }
  100% { opacity: 0; transform: translateY(-360px) rotate(12deg) scale(.84); }
}

@keyframes sf-clock-turn {
  to { transform: rotate(360deg); }
}

@keyframes sf-easy-fan {
  to { transform: rotate(-360deg); }
}

@keyframes sf-easy-air {
  0%, 100% { opacity: .18; transform: translateX(18px) scaleX(.82); }
  50% { opacity: .72; transform: translateX(-42px) scaleX(1.12); }
}

@keyframes sf-fungus-grow {
  0%, 100% { opacity: .38; transform: scaleY(.72) rotate(-2deg); }
  50% { opacity: .8; transform: scaleY(1.08) rotate(2deg); }
}

@keyframes sf-beach-wave {
  50% { transform: translateX(18px); }
}

@keyframes sf-beach-sun {
  50% { box-shadow: 0 0 0 18px rgba(246, 185, 47, .05), 0 0 52px rgba(246, 185, 47, .19); transform: translateY(-4px); }
}

@media (max-width: 980px) {
  .sf-benefits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .sf-impact-heading h2 {
    font-size: clamp(39px, 12vw, 54px);
  }

  .sf-benefits-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .sf-benefits-card {
    min-height: 0;
    padding: 25px 22px 28px;
  }

  .sf-benefits-icon {
    width: 94px;
    height: 94px;
  }

  .sf-benefits-card p {
    max-width: 36ch;
    font-size: 14px;
  }
}

/* Airflow number */
.sf-cfm {
  min-height: 710px;
  padding: clamp(94px, 10vw, 150px) 0;
  background:
    radial-gradient(circle at 80% 50%, rgba(0, 152, 232, .28), transparent 40%),
    linear-gradient(130deg, #000918, #001d51 60%, #003577);
  color: #fff;
  overflow: hidden;
  position: relative;
}

.sf-cfm::before {
  content: "";
  width: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(87, 202, 255, .7), transparent);
  position: absolute;
  left: 6%;
  top: 25%;
  box-shadow: 0 80px 0 rgba(87, 202, 255, .15), 0 160px 0 rgba(87, 202, 255, .1);
  transform: skewX(-18deg);
}

.sf-cfm-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  align-items: center;
  gap: 70px;
  position: relative;
  z-index: 2;
}

.sf-cfm-copy h2 {
  margin: 0;
  display: flex;
  align-items: end;
  gap: 13px;
  line-height: .8;
}

.sf-cfm-copy h2 strong {
  color: #fff;
  font-size: clamp(102px, 12vw, 180px);
  font-weight: 950;
  letter-spacing: -.09em;
  text-shadow: 0 0 42px rgba(36, 182, 255, .2);
}

.sf-cfm-copy h2 span {
  padding-bottom: 15px;
  color: #f6c84d;
  font-size: clamp(27px, 3vw, 45px);
  font-weight: 900;
  letter-spacing: -.03em;
}

.sf-cfm-copy h3 {
  margin: 35px 0 17px;
  color: #fff;
  font-size: clamp(31px, 3.5vw, 50px);
  font-weight: 900;
  letter-spacing: -.05em;
}

.sf-cfm-copy > p:last-child {
  max-width: 580px;
  margin: 0;
  color: #bcd7e8;
  font-size: 17px;
  line-height: 1.55;
}

.sf-cfm-house {
  height: 430px;
  position: relative;
}

.sf-cfm-roof {
  width: 96%;
  height: 305px;
  background: transparent;
  position: absolute;
  left: 2%;
  top: 0;
  z-index: 4;
}

.sf-cfm-roof::before {
  content: "";
  clip-path: polygon(50% 0, 100% 70%, 94% 78%, 50% 13%, 6% 78%, 0 70%);
  background: linear-gradient(180deg, #2c89bd, #15527d);
  position: absolute;
  inset: 0;
}

.sf-cfm-attic {
  width: 82%;
  height: 240px;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  background: linear-gradient(180deg, rgba(8, 121, 184, .6), rgba(0, 39, 84, .86));
  position: absolute;
  left: 9%;
  top: 52px;
  overflow: hidden;
}

.sf-cfm-attic span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #8ce4ff;
  position: absolute;
  left: 10%;
  bottom: 25px;
  box-shadow: -24px 18px 0 -2px #8ce4ff, -48px 32px 0 -3px #8ce4ff;
  animation: sf-cfm-rush 1.25s linear infinite;
}

.sf-cfm-attic span:nth-child(2) { left: 28%; animation-delay: -.25s; }
.sf-cfm-attic span:nth-child(3) { left: 48%; animation-delay: -.52s; }
.sf-cfm-attic span:nth-child(4) { left: 68%; animation-delay: -.77s; }
.sf-cfm-attic span:nth-child(5) { left: 88%; animation-delay: -1s; }

.sf-cfm-base {
  width: 82%;
  height: 140px;
  border-top: 10px solid rgba(141, 223, 255, .58);
  background: rgba(0, 16, 47, .52);
  position: absolute;
  left: 9%;
  bottom: 12px;
}

.sf-cfm-fan {
  width: 58px;
  height: 58px;
  border: 7px solid #f6c84d;
  border-radius: 50%;
  background: #06356a;
  position: absolute;
  left: calc(50% - 29px);
  top: 78px;
  box-shadow: 0 0 36px rgba(246, 200, 77, .5);
}

.sf-cfm-fan b {
  width: 38px;
  height: 7px;
  left: 3px;
  top: 19px;
}

.sf-cfm-stream i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(128, 223, 255, .72);
  position: absolute;
  left: -20px;
  animation: sf-stream 3s linear infinite;
}

.sf-cfm-stream i:nth-child(1) { top: 17%; animation-delay: -1.4s; }
.sf-cfm-stream i:nth-child(2) { top: 23%; animation-delay: -.2s; }
.sf-cfm-stream i:nth-child(3) { top: 31%; animation-delay: -2.2s; }
.sf-cfm-stream i:nth-child(4) { top: 39%; animation-delay: -.8s; }
.sf-cfm-stream i:nth-child(5) { top: 47%; animation-delay: -1.8s; }
.sf-cfm-stream i:nth-child(6) { top: 55%; animation-delay: -.5s; }
.sf-cfm-stream i:nth-child(7) { top: 63%; animation-delay: -2.5s; }
.sf-cfm-stream i:nth-child(8) { top: 71%; animation-delay: -1.1s; }
.sf-cfm-stream i:nth-child(9) { top: 79%; animation-delay: -2.8s; }
.sf-cfm-stream i:nth-child(10) { top: 84%; animation-delay: -.35s; }
.sf-cfm-stream i:nth-child(11) { top: 12%; animation-delay: -2s; }
.sf-cfm-stream i:nth-child(12) { top: 89%; animation-delay: -1.65s; }

.sf-cfm-visual {
  height: 470px;
  border: 1px solid rgba(99, 208, 255, .26);
  border-radius: 24px;
  background:
    radial-gradient(circle at 76% 50%, rgba(246, 200, 77, .18), transparent 30%),
    linear-gradient(135deg, rgba(0, 25, 70, .52), rgba(2, 81, 139, .48));
  overflow: hidden;
  position: relative;
  box-shadow: 0 25px 65px rgba(0, 4, 20, .3);
}

.sf-cfm-product {
  width: 270px;
  height: 180px;
  border: 4px solid #f6c84d;
  border-radius: 18px;
  overflow: hidden;
  position: absolute;
  right: 10%;
  top: 50%;
  z-index: 5;
  transform: translateY(-50%);
  box-shadow: 0 0 38px rgba(246, 200, 77, .34), 0 20px 45px rgba(0, 5, 23, .4);
}

.sf-cfm-product img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sf-cfm-rush {
  width: 56%;
  height: 80px;
  position: absolute;
  left: 4%;
}

.rush-one { top: 22%; }
.rush-two { top: 45%; }
.rush-three { top: 68%; }

.sf-cfm-rush::after {
  content: "";
  height: 3px;
  border-radius: 4px;
  background: linear-gradient(90deg, transparent, #7ce0ff, transparent);
  position: absolute;
  inset: 50% 0 auto;
  box-shadow: 0 0 13px rgba(96, 216, 255, .45);
}

.sf-cfm-rush i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #91e8ff;
  position: absolute;
  left: 0;
  top: calc(50% - 4px);
  z-index: 2;
  animation: sf-cfm-horizontal 1.25s linear infinite;
}

.sf-cfm-rush i:nth-child(2) { animation-delay: -.3s; }
.sf-cfm-rush i:nth-child(3) { animation-delay: -.6s; }
.sf-cfm-rush i:nth-child(4) { animation-delay: -.9s; }

.sf-cfm-visual > span,
.sf-cfm-visual > strong {
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .11em;
  position: absolute;
  text-transform: uppercase;
}

.sf-cfm-visual > span {
  left: 24px;
  bottom: 20px;
  color: #8be5ff;
}

.sf-cfm-visual > strong {
  right: 24px;
  top: 20px;
  background: rgba(246, 200, 77, .11);
  color: #f6c84d;
}

@keyframes sf-cfm-horizontal {
  0% { opacity: 0; transform: translateX(0) scale(.7); }
  18%, 75% { opacity: 1; }
  100% { opacity: 0; transform: translateX(350px) scale(1.2); }
}

/* Simple operation */
.sf-simple {
  background: #fff;
}

.sf-simple-steps {
  display: grid;
  grid-template-columns: 1fr 70px 1fr 70px 1fr;
  align-items: center;
}

.sf-simple-steps article {
  min-height: 320px;
  padding: 36px 28px 30px;
  border: 1px solid #dae5ee;
  border-radius: 20px;
  background: #f8fafc;
  text-align: center;
}

.sf-simple-steps article > span {
  margin: 24px 0 7px;
  color: #0b78bd;
  display: block;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .12em;
}

.sf-simple-steps h3 {
  margin: 0 0 8px;
  color: var(--navy-900);
  font-size: 27px;
  font-weight: 900;
}

.sf-simple-steps p {
  margin: 0;
  color: #5d6e7d;
  font-size: 15px;
}

.sf-step-arrow {
  color: #e39b12;
  font-size: 38px;
  font-style: normal;
  text-align: center;
  animation: sf-arrow-pulse 1.7s ease-in-out infinite;
}

.sf-step-icon {
  width: 112px;
  height: 112px;
  margin: 0 auto;
  border-radius: 50%;
  background: #e4f4fc;
  position: relative;
}

.sf-sun-icon i {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #f4b31c;
  position: absolute;
  left: 29px;
  top: 29px;
  box-shadow: 0 0 0 14px rgba(244, 179, 28, .16);
}

.sf-fan-icon {
  position: relative;
  animation: none;
}

.sf-fan-icon::before {
  content: "";
  width: 58px;
  height: 58px;
  border: 5px solid #0575b8;
  border-radius: 50%;
  position: absolute;
  left: 22px;
  top: 22px;
}

.sf-fan-icon i {
  width: 27px;
  height: 8px;
  background: #0575b8;
  left: 50%;
  top: 50%;
}

.sf-fan-icon i:nth-child(1) { transform: rotate(0deg); }
.sf-fan-icon i:nth-child(2) { transform: rotate(120deg); }
.sf-fan-icon i:nth-child(3) { transform: rotate(240deg); }
.sf-fan-icon { animation: sf-fan-spin 2.2s linear infinite; }

.sf-out-icon i {
  width: 58px;
  height: 8px;
  border-radius: 10px;
  background: #058aca;
  position: absolute;
  left: 27px;
  animation: sf-out-lines 1.5s ease-in-out infinite;
}

.sf-out-icon i::after {
  content: "";
  width: 9px;
  height: 9px;
  border-top: 5px solid #058aca;
  border-right: 5px solid #058aca;
  position: absolute;
  right: 0;
  top: -3px;
  transform: rotate(45deg);
}

.sf-out-icon i:nth-child(1) { top: 31px; }
.sf-out-icon i:nth-child(2) { top: 52px; animation-delay: -.35s; }
.sf-out-icon i:nth-child(3) { top: 73px; animation-delay: -.7s; }

.sf-control-strip {
  width: fit-content;
  margin: 28px auto 0;
  padding: 14px 19px;
  border: 1px solid #d5e2ea;
  border-radius: 999px;
  background: #fff;
  display: flex;
  gap: 0;
  box-shadow: 0 12px 30px rgba(0, 23, 69, .07);
}

.sf-control-strip span {
  padding: 0 22px;
  border-right: 1px solid #d5e2ea;
  color: #657484;
  font-size: 13px;
  font-weight: 760;
}

.sf-control-strip span:last-child { border-right: 0; }
.sf-control-strip strong { color: var(--navy-900); }

/* Static Built for the Roof product showcase. */
.sf-product {
  background:
    radial-gradient(circle at 50% 48%, rgba(25, 161, 220, .24), transparent 34%),
    linear-gradient(142deg, #000b28 0%, #001b50 53%, #003773 100%);
  overflow: hidden;
}

.sf-product-heading {
  max-width: 980px;
  margin-bottom: clamp(34px, 4vw, 54px);
}

.sf-product-heading h2 {
  color: #fff;
  font-size: clamp(46px, 5.8vw, 76px);
  letter-spacing: -.06em;
  line-height: .96;
  text-wrap: balance;
}

.sf-product-heading .sf-eyebrow {
  color: #8bd8ff;
}

.sf-product-stage {
  min-height: 760px;
  border: 1px solid rgba(2, 73, 125, .13);
  border-radius: 28px;
  background:
    linear-gradient(rgba(0, 84, 142, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 84, 142, .035) 1px, transparent 1px),
    rgba(255, 255, 255, .88);
  background-size: 42px 42px, 42px 42px, auto;
  overflow: hidden;
  position: relative;
  box-shadow: 0 28px 70px rgba(0, 23, 69, .11), inset 0 1px #fff;
}

.sf-product-stage > img {
  width: min(54%, 680px);
  height: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
  position: absolute;
  left: 50%;
  top: 51%;
  z-index: 2;
  transform: translate(-50%, -50%);
}

.sf-product-glow {
  width: min(57vw, 700px);
  aspect-ratio: 1;
  border: 1px solid rgba(6, 116, 181, .12);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 180, 229, .16), rgba(34, 180, 229, .045) 42%, transparent 68%);
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.sf-product-warranty-card {
  width: min(27%, 300px);
  min-height: 100px;
  padding: 16px 16px 15px 72px;
  border: 2px solid #d79d17;
  border-radius: 16px;
  background: linear-gradient(145deg, #efb126, #ffda67 58%, #f2bb34);
  color: var(--navy-900);
  display: grid;
  align-items: center;
  position: absolute;
  right: 4%;
  bottom: 8%;
  z-index: 5;
  box-shadow: 0 16px 34px rgba(141, 91, 0, .18), inset 0 1px rgba(255, 255, 255, .6);
}

.sf-product-warranty-card > span {
  width: 46px;
  height: 46px;
  border: 2px solid var(--navy-900);
  border-radius: 50%;
  color: #0065ad;
  display: grid;
  place-items: center;
  font-size: 32px;
  font-weight: 950;
  line-height: 1;
  position: absolute;
  left: 15px;
  top: 17px;
}

.sf-product-warranty-card h3 {
  margin: 0 0 4px;
  color: var(--navy-900);
  font-size: 18px;
  font-weight: 950;
  letter-spacing: -.035em;
  line-height: 1;
  text-transform: uppercase;
}

.sf-product-warranty-card p {
  margin: 0;
  font-size: 10px;
  font-weight: 760;
  line-height: 1.3;
}

.sf-product-warranty-card small {
  margin-top: 4px;
  display: block;
  font-size: 7px;
  font-weight: 720;
  line-height: 1.25;
}

.sf-callout {
  width: min(27%, 310px);
  min-height: 116px;
  padding: 18px 17px 17px 58px;
  border: 1px solid rgba(5, 105, 168, .2);
  border-radius: 16px;
  background: rgba(255, 255, 255, .96);
  position: absolute;
  z-index: 4;
  box-shadow: 0 15px 34px rgba(0, 23, 69, .11), inset 0 1px #fff;
}

.sf-callout::after {
  content: "";
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, rgba(8, 123, 189, .15), #087bbd);
  position: absolute;
  top: 50%;
}

.sf-callout > span {
  width: 30px;
  height: 30px;
  border: 1px solid rgba(6, 119, 186, .22);
  border-radius: 9px;
  background: #e8f5fb;
  color: #0876b9;
  display: grid;
  place-items: center;
  font-size: 9px;
  font-weight: 950;
  position: absolute;
  left: 15px;
  top: 17px;
}

.sf-callout h3 {
  margin: 0 0 6px;
  color: var(--navy-900);
  font-size: clamp(13px, 1.15vw, 17px);
  font-weight: 950;
  letter-spacing: -.025em;
  line-height: 1.08;
  text-transform: uppercase;
}

.sf-callout-wind h3 {
  color: #a86c00;
  text-shadow: 0 1px 12px rgba(215, 157, 23, .18);
}

.sf-callout-wind > span {
  border-color: rgba(184, 121, 0, .32);
  background: #fff0bd;
  color: #946000;
}

.sf-callout p {
  margin: 0;
  color: #53697b;
  font-size: 10px;
  font-weight: 680;
  line-height: 1.42;
}

.callout-one { left: 3%; top: 9%; }
.callout-two { left: 1.5%; top: 40%; }
.callout-three { left: 4%; bottom: 8%; }
.callout-four { right: 3%; top: 9%; }
.callout-five { right: 1.5%; top: 40%; }
.callout-six { right: 4%; bottom: 8%; }

.callout-one::after,
.callout-two::after,
.callout-three::after { left: 100%; }

.callout-four::after,
.callout-five::after,
.callout-six::after {
  right: 100%;
  transform: scaleX(-1);
}

.sf-product .sf-product-extras {
  margin-top: 22px;
  color: #31556d;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .1em;
  text-align: center;
  text-transform: uppercase;
}

.sf-product .sf-product-extras i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #f6c84d;
  flex: 0 0 auto;
}

@media (max-width: 980px) {
  .sf-product-stage {
    min-height: 0;
    padding: 32px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .sf-product-stage > img {
    width: min(680px, 92%);
    margin: -2% auto -4%;
    grid-column: 1 / -1;
    position: relative;
    left: auto;
    top: auto;
    transform: none;
  }

  .sf-product-glow {
    width: 78vw;
    top: 28%;
  }

  .sf-product-warranty-card {
    width: min(420px, 100%);
    min-height: 104px;
    grid-column: 1 / -1;
    justify-self: center;
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    transform: none;
  }

  .sf-callout,
  .callout-one,
  .callout-two,
  .callout-three,
  .callout-four,
  .callout-five,
  .callout-six {
    width: auto;
    min-height: 0;
    padding: 15px 15px 11px 56px;
    align-self: start;
    position: relative;
    inset: auto;
  }

  .sf-callout > span {
    top: 14px;
  }

  .sf-callout::after { display: none; }
}

@media (max-width: 620px) {
  .sf-product-heading h2 { font-size: clamp(40px, 12vw, 54px); }
  .sf-product-stage { padding: 18px; grid-template-columns: 1fr; border-radius: 20px; }
  .sf-product-stage > img { width: 112%; margin: -5% 0 -9% -6%; }
  .sf-product-glow { width: 110vw; top: 19%; }
  .sf-product-warranty-card { width: 100%; }
  .sf-callout { min-height: 0; }
  .sf-callout h3 { font-size: 15px; }
  .sf-callout p { font-size: 11px; }
  .sf-product .sf-product-extras { flex-wrap: wrap; gap: 8px; font-size: 8px; }
}

/* Installation */
.sf-install {
  background: #fff;
}

.sf-install-layout {
  display: grid;
  grid-template-columns: minmax(400px, .82fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(50px, 8vw, 110px);
}

.sf-install-photo {
  height: 680px;
  border-radius: 24px 140px 24px 24px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 28px 70px rgba(0, 23, 69, .17);
}

.sf-install-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 56%, rgba(0, 11, 34, .62));
}

.sf-install-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sf-install-photo > span {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, .52);
  border-radius: 999px;
  background: rgba(0, 24, 68, .72);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .11em;
  position: absolute;
  left: 24px;
  bottom: 24px;
  z-index: 2;
  text-transform: uppercase;
}

.sf-install-gallery {
  height: 680px;
  padding: 8px;
  border-radius: 24px 140px 24px 24px;
  background: #001745;
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(0, .84fr);
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 8px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 28px 70px rgba(0, 23, 69, .17);
}

.sf-install-gallery figure {
  min-width: 0;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  position: relative;
}

.sf-install-gallery figure:first-child {
  border-radius: 17px 0 0 17px;
  grid-row: 1 / -1;
}

.sf-install-gallery figure:nth-child(2) {
  border-radius: 0 124px 0 0;
}

.sf-install-gallery figure:last-of-type {
  border-radius: 0 0 17px;
}

.sf-install-gallery img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 500ms ease;
}

.sf-install-gallery figure:hover img {
  transform: scale(1.035);
}

.sf-install-gallery > span {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, .52);
  border-radius: 999px;
  background: rgba(0, 24, 68, .78);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .11em;
  position: absolute;
  left: 24px;
  bottom: 24px;
  z-index: 2;
  text-transform: uppercase;
}

.sf-install-copy .sf-heading {
  margin-bottom: 35px;
}

.sf-install-steps {
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

.sf-install-steps li {
  padding: 22px 0;
  border-bottom: 1px solid #d9e5ed;
  display: grid;
  grid-template-columns: 62px 1fr;
  align-items: center;
  gap: 18px;
}

.sf-install-steps li > span {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #e4f3fb;
  color: #006bb0;
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 950;
}

.sf-install-steps h3 {
  margin: 0 0 4px;
  color: var(--navy-900);
  font-size: 24px;
  font-weight: 900;
}

.sf-install-steps h3 small {
  color: #557083;
  font-size: .56em;
  font-weight: 750;
  letter-spacing: -.01em;
}

.sf-install-steps p {
  margin: 0;
  color: #5b6f80;
  font-size: 15px;
}

/* Projected savings calculator */
.sf-savings {
  background:
    radial-gradient(circle at 7% 12%, rgba(41, 178, 235, .23), transparent 31%),
    radial-gradient(circle at 94% 88%, rgba(246, 200, 77, .13), transparent 27%),
    linear-gradient(145deg, #00133e 0%, #003b78 57%, #0066a7 100%);
}

.sf-savings-heading {
  max-width: 960px;
  margin-bottom: 34px;
}

.sf-savings-heading h2 {
  color: #fff;
  font-size: clamp(48px, 5.8vw, 78px);
  line-height: .96;
}

.sf-savings-heading > p:last-child {
  max-width: 820px;
  margin: 16px auto 0;
  color: #c5e8f8;
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 850;
  letter-spacing: -.02em;
  line-height: 1.25;
}

.sf-savings-calculator {
  max-width: 1100px;
  margin-inline: auto;
}

.sf-savings-panel {
  padding: 28px;
  border: 1px solid rgba(119, 203, 245, .18);
  border-radius: 25px;
  background:
    radial-gradient(circle at 90% 8%, rgba(0, 119, 190, .22), transparent 32%),
    linear-gradient(145deg, #000e30, #001f56 58%, #002e69);
  display: grid;
  grid-template-columns: minmax(270px, .82fr) minmax(0, 1.38fr);
  grid-template-areas:
    "form results"
    "form next";
  gap: 18px 22px;
  box-shadow: 0 28px 65px rgba(0, 23, 69, .19);
}

.sf-savings-form,
.sf-savings-results,
.sf-savings-next-step {
  border-radius: 16px;
}

.sf-savings-form {
  min-height: 376px;
  padding: 31px 26px;
  background: #fff;
  grid-area: form;
  align-content: start;
  display: grid;
}

.sf-savings-form label {
  margin-bottom: 13px;
  color: var(--navy-900);
  font-size: 17px;
  font-weight: 900;
}

.sf-input-prompt {
  margin-bottom: 3px;
  color: #557083;
  display: block;
  font-size: 10px;
  letter-spacing: .12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.sf-money-input {
  border: 2px solid #b8cfdd;
  border-radius: 11px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  overflow: hidden;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.sf-money-input:focus-within {
  border-color: #0786cb;
  box-shadow: 0 0 0 4px rgba(7, 134, 203, .13);
}

.sf-money-input span {
  padding-left: 16px;
  color: #0876b9;
  font-size: 19px;
  font-weight: 950;
}

.sf-money-input input {
  width: 100%;
  min-width: 0;
  padding: 14px 14px 14px 7px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--navy-900);
  font: inherit;
  font-size: 18px;
  font-weight: 800;
}

.sf-money-input:has(input[aria-invalid="true"]) {
  border-color: #bf3d31;
  box-shadow: 0 0 0 4px rgba(191, 61, 49, .1);
}

.sf-input-error {
  min-height: 18px;
  margin: 6px 0 2px;
  color: #a93228;
  font-size: 11px;
  font-weight: 760;
}

.sf-calculate-button {
  width: 100%;
  min-height: 51px;
  padding: 13px 18px;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(110deg, #870f1d, #b3182b);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 950;
  letter-spacing: .075em;
  text-transform: uppercase;
  box-shadow: 0 12px 25px rgba(122, 9, 27, .25);
}

.sf-calculate-button:hover,
.sf-calculate-button:focus-visible {
  background: linear-gradient(110deg, #740b18, #9d1122);
}

.sf-calculate-button:focus-visible,
.sf-savings-cta:focus-visible {
  outline: 3px solid #f6c84d;
  outline-offset: 3px;
}

.sf-savings-form > p:last-child {
  margin: 18px 0 0;
  color: #6c7d8c;
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
}

.sf-savings-results {
  padding: 28px 24px 24px;
  border-top: 4px solid #f6c84d;
  background: #fff;
  grid-area: results;
  text-align: center;
  box-shadow: 0 15px 32px rgba(0, 10, 38, .15);
}

.sf-savings-results > p {
  margin: 0;
  color: var(--navy-900);
  font-size: clamp(16px, 1.6vw, 20px);
  font-weight: 900;
}

.sf-savings-results > strong {
  margin: 10px 0 11px;
  color: #9b111e;
  display: block;
  font-size: clamp(46px, 5vw, 66px);
  font-weight: 950;
  letter-spacing: -.055em;
  line-height: 1;
}

.sf-savings-results > small {
  color: #71818e;
  display: block;
  font-size: 11px;
  line-height: 1.45;
}

.sf-savings-milestones {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid #dce7ed;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.sf-savings-milestones span,
.sf-savings-milestones b {
  display: block;
}

.sf-savings-milestones span {
  color: #596c7d;
  font-size: 10px;
  font-weight: 800;
}

.sf-savings-milestones b {
  margin-top: 6px;
  color: #9b111e;
  font-size: clamp(13px, 1.3vw, 17px);
  font-weight: 950;
}

.sf-savings-next-step {
  padding: 19px 22px 21px;
  border: 1px solid rgba(91, 191, 242, .35);
  background: rgba(0, 23, 69, .46);
  grid-area: next;
  text-align: center;
}

.sf-savings-next-step > strong {
  margin-bottom: 0;
  color: #f6c84d;
  display: block;
  font-size: 18px;
  font-weight: 920;
}

.sf-savings-cta {
  min-height: 50px;
  padding: 12px 20px;
  border: 2px solid #f6c84d;
  border-radius: 10px;
  background: linear-gradient(110deg, #087cc0, #0c9ada);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 920;
  text-decoration: none;
  box-shadow: 0 0 0 1px rgba(246, 200, 77, .17), 0 0 22px rgba(246, 200, 77, .16), 0 12px 26px rgba(0, 7, 28, .22);
}

.sf-savings-cta:hover,
.sf-savings-cta:focus-visible {
  background: linear-gradient(110deg, #0872b0, #0789c8);
}

.sf-savings-disclaimer {
  max-width: 1030px;
  margin: 16px auto 0;
  color: #c0d9e7;
  font-size: 10px;
  line-height: 1.55;
  text-align: center;
}

@media (max-width: 900px) {
  .sf-savings-panel {
    grid-template-columns: 1fr;
    grid-template-areas:
      "form"
      "results"
      "next";
  }

  .sf-savings-form { min-height: 0; }
}

@media (max-width: 620px) {
  .sf-savings-heading h2 { font-size: clamp(43px, 13vw, 57px); }
  .sf-savings-heading > p:last-child { font-size: 19px; }
  .sf-savings-panel { padding: 13px; border-radius: 19px; gap: 13px; }
  .sf-savings-form { padding: 24px 18px; }
  .sf-savings-results { padding: 25px 15px 20px; }
  .sf-savings-results > strong { font-size: 50px; }
  .sf-savings-milestones { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 16px; }
  .sf-savings-milestones div:nth-child(4) { grid-column: 1 / 2; }
  .sf-savings-milestones div:nth-child(5) { grid-column: 2 / 3; }
  .sf-savings-next-step { padding-inline: 14px; }
}

/* Simplified live savings calculator */
.sf-savings {
  background: #fff;
}

.sf-savings-heading {
  margin-bottom: 30px;
}

.sf-savings-heading h2 {
  color: #001745;
}

.sf-savings-heading > p.sf-savings-kicker {
  max-width: 620px;
  margin: 10px auto 0;
  color: #5b6f80;
  font-size: clamp(13px, 1.3vw, 16px);
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1.35;
}

.sf-savings-calculator {
  max-width: 900px;
}

.sf-savings-panel {
  padding: 0;
  border: 1px solid rgba(0, 64, 118, .16);
  background: linear-gradient(145deg, #fffdf8 0%, #fbf5e8 54%, #f5ead5 100%);
  display: block;
  isolation: isolate;
  overflow: hidden;
  position: relative;
  box-shadow: 0 24px 58px rgba(0, 35, 78, .14);
}

.sf-savings-panel::before {
  content: "";
  border-radius: inherit;
  background: linear-gradient(115deg, transparent 30%, rgba(46, 171, 235, .18) 47%, rgba(246, 200, 77, .24) 52%, transparent 69%);
  background-size: 240% 100%;
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 0;
  animation: sf-card-shine 7s linear infinite;
}

.sf-savings-panel::after {
  --electric-angle: 0deg;
  content: "";
  padding: 3px;
  border-radius: inherit;
  background: conic-gradient(
    from var(--electric-angle),
    #6b450c 0%,
    #e6a92f 7%,
    #fff3a9 11%,
    #bd7715 16%,
    #5c3908 36%,
    #d89a26 47%,
    #fff8c8 52%,
    #bb7112 58%,
    #543207 76%,
    #efbb49 91%,
    #6b450c 100%
  );
  filter: drop-shadow(0 0 4px rgba(238, 185, 59, .55));
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 3;
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: premium-gold-spin 5.6s linear infinite;
}

.sf-savings-panel > * {
  position: relative;
  z-index: 1;
}

.sf-savings-results {
  padding: clamp(30px, 4vw, 44px);
  background: transparent;
  box-shadow: none;
}

.sf-savings-results > strong,
.sf-savings-milestones b {
  color: #126b36;
  text-shadow: 0 2px 14px rgba(18, 107, 54, .12);
}

.sf-savings-form {
  min-height: 0;
  max-width: 430px;
  margin: 0 auto 16px;
  padding: 0;
  background: transparent;
}

.sf-savings-form > .sf-input-error {
  min-height: 18px;
  margin: 6px 0 0;
  color: #a93228;
  text-align: left;
}

.sf-savings-disclaimer {
  color: #667788;
}

.sf-financing-card {
  max-width: 900px;
  margin: 22px auto 0;
  padding: 22px 26px;
  border: 2px solid #f2c654;
  border-radius: 20px;
  background:
    radial-gradient(circle at 94% 20%, rgba(140, 255, 62, .13), transparent 27%),
    linear-gradient(135deg, #00152f, #053e79 72%, #0876ac);
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  color: #fff;
  box-shadow: 0 18px 42px rgba(0, 34, 77, .2), 0 0 22px rgba(242, 198, 84, .16);
  position: relative;
  overflow: hidden;
}

.sf-financing-card::after {
  content: "";
  width: 38%;
  height: 180%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .16), transparent);
  position: absolute;
  top: -40%;
  left: -52%;
  transform: rotate(14deg);
  animation: sf-financing-sweep 6s ease-in-out infinite;
  pointer-events: none;
}

.sf-financing-check {
  width: 58px;
  height: 58px;
  border: 2px solid #f2c654;
  border-radius: 50%;
  background: rgba(0, 15, 43, .64);
  display: grid;
  place-items: center;
  color: #9cff55;
  font-size: 29px;
  font-weight: 950;
  box-shadow: 0 0 20px rgba(156, 255, 85, .16);
}

.sf-financing-card h3 {
  margin: 0;
  color: #fff;
  font-size: clamp(23px, 2.4vw, 30px);
  font-weight: 950;
  letter-spacing: -.03em;
  line-height: 1.05;
}

.sf-financing-card p {
  max-width: 720px;
  margin: 7px 0 0;
  color: #d5ebf7;
  font-size: 13px;
  line-height: 1.55;
}

@keyframes sf-financing-sweep {
  0%, 28% { left: -52%; opacity: 0; }
  38% { opacity: 1; }
  62% { left: 118%; opacity: .75; }
  63%, 100% { left: 118%; opacity: 0; }
}

@media (max-width: 620px) {
  .sf-savings-panel {
    padding: 0;
  }

  .sf-savings-results {
    padding: 27px 17px 24px;
  }

  .sf-savings-form {
    margin-bottom: 14px;
    padding: 0;
  }

  .sf-financing-card {
    margin-top: 17px;
    padding: 19px 17px;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 13px;
    border-radius: 17px;
  }

  .sf-financing-check {
    width: 48px;
    height: 48px;
    font-size: 24px;
  }

  .sf-financing-card p { font-size: 12px; }
}

/* Final conversion */
.sf-final {
  min-height: 520px;
  padding: 120px 0 105px;
  border-top: 4px solid #e6b83f;
  border-bottom: 4px solid #e6b83f;
  background: var(--navy-900);
  color: #fff;
  overflow: hidden;
  position: relative;
}

.sf-final-visual {
  width: min(calc(100% - 64px), var(--container));
  height: 210px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  position: absolute;
  left: 50%;
  top: 35px;
  transform: translateX(-50%);
}

.sf-final-hot,
.sf-final-cool {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.sf-final-hot {
  background: radial-gradient(circle at 50% 110%, #d94917, #702218 70%);
}

.sf-final-cool {
  background: radial-gradient(circle at 50% 110%, #078fcf, #003466 70%);
}

.sf-final-hot::before,
.sf-final-cool::before {
  content: "";
  width: 230px;
  height: 110px;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  background: rgba(0, 0, 0, .22);
  position: absolute;
  bottom: 0;
}

.sf-final-hot span,
.sf-final-cool span {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, .36);
  border-radius: 999px;
  color: #fff;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .1em;
  position: absolute;
  top: 20px;
  z-index: 2;
  text-transform: uppercase;
}

.sf-final-hot i,
.sf-final-cool i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: absolute;
  bottom: 20px;
  z-index: 2;
}

.sf-final-hot i {
  border-left: 3px solid #ffb448;
  border-radius: 50%;
  background: transparent;
  animation: sf-heat-rise 1.8s ease-in-out infinite;
}

.sf-final-cool i {
  background: #7edcff;
  box-shadow: -17px 13px 0 -2px #7edcff;
  animation: sf-active-flow 1.2s linear infinite;
}

.sf-final-hot i:nth-of-type(1), .sf-final-cool i:nth-of-type(1) { left: 34%; }
.sf-final-hot i:nth-of-type(2), .sf-final-cool i:nth-of-type(2) { left: 50%; animation-delay: -.5s; }
.sf-final-hot i:nth-of-type(3), .sf-final-cool i:nth-of-type(3) { left: 66%; animation-delay: -1s; }

.sf-final-cool b {
  width: 34px;
  height: 34px;
  border: 4px solid #f6c84d;
  border-radius: 50%;
  position: absolute;
  left: 50%;
  top: 75px;
  z-index: 3;
  transform: translateX(-50%);
  box-shadow: 0 0 20px rgba(246, 200, 77, .35);
}

.sf-final-close {
  max-width: 980px;
  position: relative;
  z-index: 2;
  text-align: center;
}

.sf-final-close h2 {
  margin: 0 auto 20px;
  color: #fff;
  font-size: clamp(48px, 5.4vw, 76px);
  font-weight: 930;
  letter-spacing: -.06em;
  line-height: .98;
  text-wrap: balance;
}

.sf-final-close > p:not(.sf-eyebrow) {
  margin: 0;
  color: #c9e5f8;
  font-size: clamp(21px, 2.3vw, 30px);
  font-weight: 780;
}

.sf-final-actions {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.sf-final-action-stack {
  display: grid;
  justify-items: center;
  gap: 28px;
}

.sf-other-solutions {
  border-bottom: 1px solid rgba(255, 255, 255, .5);
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .045em;
  line-height: 1.35;
  text-decoration: none;
}

.sf-other-solutions:hover,
.sf-other-solutions:focus-visible {
  border-bottom-color: #fff;
  color: #fff;
}

.sf-final .sf-phone {
  border-bottom-color: rgba(255, 255, 255, .5);
  color: #fff;
}

.sf-final .sf-phone:hover,
.sf-final .sf-phone:focus-visible {
  color: #fff;
}

.solar-page .site-footer {
  background: #fff;
  color: var(--navy-900);
}

.solar-page .footer-grid strong {
  color: var(--navy-900);
}

.solar-page .footer-grid nav a:hover,
.solar-page .footer-grid nav a:focus-visible {
  color: var(--blue-700);
}

.solar-page .footer-bottom {
  border-top-color: rgba(0, 23, 69, 0.12);
  color: var(--muted);
}

.solar-page .compact-footer-brand p,
.solar-page .compact-footer-legal {
  color: var(--muted);
}

/* Scroll reveal */
.sf-motion-ready .sf-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 500ms ease var(--sf-delay, 0ms), transform 500ms cubic-bezier(.2, .7, .2, 1) var(--sf-delay, 0ms);
}

.sf-motion-ready .sf-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Motion */
@keyframes sf-fan-spin {
  to { transform: rotate(360deg); }
}

@keyframes sf-sun-pulse {
  50% { box-shadow: 0 0 0 30px rgba(255, 187, 45, .08), 0 0 90px rgba(255, 152, 0, .46); }
}

@keyframes sf-heat-rise {
  0% { opacity: 0; transform: translateY(20px) scaleY(.7); }
  45% { opacity: .9; }
  100% { opacity: 0; transform: translateY(-55px) scaleY(1.2); }
}

@keyframes sf-meter-rise {
  0%, 100% { transform: scaleY(.82); }
  50% { transform: scaleY(1); }
}

@keyframes sf-passive-drift {
  0% { opacity: 0; transform: translate(-15px, 18px); }
  30%, 65% { opacity: .7; }
  100% { opacity: 0; transform: translate(22px, -45px); }
}

@keyframes sf-active-flow {
  0% { opacity: 0; transform: translate(-25px, 23px); }
  22%, 72% { opacity: 1; }
  100% { opacity: 0; transform: translate(52px, -86px); }
}

@keyframes sf-exhaust-out {
  0% { opacity: 0; margin-top: 42px; }
  30% { opacity: 1; }
  100% { opacity: 0; margin-top: -38px; }
}

@keyframes sf-cool-float {
  50% { transform: translateY(-8px); }
}

@keyframes sf-cfm-rush {
  0% { opacity: 0; transform: translate(-25px, 28px); }
  18%, 72% { opacity: 1; }
  100% { opacity: 0; transform: translate(120px, -170px); }
}

@keyframes sf-stream {
  0% { opacity: 0; transform: translateX(0) scale(.7); }
  15%, 75% { opacity: .8; }
  100% { opacity: 0; transform: translateX(108vw) scale(1.2); }
}

@keyframes sf-arrow-pulse {
  50% { color: #006db3; transform: translateX(5px); }
}

@keyframes sf-out-lines {
  50% { transform: translateX(9px); opacity: .65; }
}

@keyframes sf-movement-glint {
  0% { background-position: 100% 50%; transform: translateX(0) skewX(-5deg); }
  50% { background-position: 0 50%; transform: translateX(3px) skewX(-5deg); }
  100% { background-position: -100% 50%; transform: translateX(0) skewX(-5deg); }
}

@keyframes sf-movement-whoosh {
  0% { opacity: 0; transform: translateX(-32%) skewX(-17deg); }
  8% { opacity: .68; }
  78% { opacity: .5; }
  100% { opacity: 0; transform: translateX(34%) skewX(-17deg); }
}

@keyframes sf-movement-particle {
  0% { opacity: 0; transform: translateX(0); }
  12% { opacity: .72; }
  84% { opacity: .58; }
  100% { opacity: 0; transform: translateX(5.4em); }
}

/* Tablet */
@media (max-width: 1120px) {
  .sf-hero-grid {
    grid-template-columns: 1.04fr .96fr;
    gap: 32px;
  }

  .sf-hero h1 { font-size: clamp(58px, 7vw, 82px); }
  .sf-hero-visual { height: 590px; }

  .sf-heat-meter { right: 4%; }
  .sf-heat-meter span { display: none; }

  .sf-air-card-head {
    padding-inline: 22px;
    align-items: flex-start;
    flex-direction: column-reverse;
  }

  .sf-air-house { height: 350px; margin-inline: 18px; }
  .sf-air-caption { flex-direction: column; }

  .sf-hotter-card,
  .sf-benefit-card { min-height: 450px; padding-inline: 14px; }
  .sf-hotter-visual,
  .sf-benefit-visual { height: 210px; }

  .sf-cfm-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .sf-cfm-copy h2 strong { font-size: clamp(88px, 11vw, 135px); }

}

@media (min-width: 901px) and (max-width: 1120px) {
  .sf-proof-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sf-versus {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 1.08fr) minmax(0, 1fr);
    gap: 14px;
  }
}

@media (max-width: 900px) {
  .sf-container { width: min(calc(100% - 42px), var(--container)); }

  .sf-hero {
    min-height: 0;
    padding-bottom: 50px;
  }

  .sf-hero-grid {
    padding-top: 20px;
    grid-template-columns: 1fr;
  }

  .sf-hero-copy { padding-bottom: 5px; }
  .sf-hero h1 { max-width: 760px; }
  .sf-hero-visual { height: 520px; border-radius: 90px 18px 18px; }
  .sf-scroll-cue { display: none; }

  .sf-house-shell { width: 760px; max-width: 80%; transform: translateX(-50%); }
  .sf-label-roof { left: 24%; }
  .sf-heat-meter { right: 3%; }

  .sf-versus {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .sf-family-bridge {
    width: min(100%, 420px);
    margin-inline: auto;
  }

  .sf-family-bridge .sf-vs-badge {
    margin: 0 auto;
    transform: none;
  }

  .sf-family-bridge > img {
    width: min(100%, 420px);
  }

  .sf-air-card-head {
    align-items: center;
    flex-direction: row;
  }

  .sf-air-house { height: 390px; margin-inline: 26px; }
  .sf-air-caption { flex-direction: row; }

  .sf-problem-grid,
  .sf-video-feature-grid {
    grid-template-columns: 1fr;
  }

  .sf-problem-copy {
    min-height: 260px;
    display: grid;
    grid-template-columns: repeat(3, auto);
    align-content: center;
    justify-content: start;
  }

  .sf-problem-copy strong {
    grid-column: 1 / -1;
  }

  .sf-benefits-video {
    grid-template-columns: 1fr;
  }

  .sf-benefits-video-copy {
    text-align: center;
  }

  .sf-benefit-grid { grid-template-columns: 1fr; }
  .sf-benefit-card {
    min-height: 0;
    display: grid;
    grid-template-columns: 280px 1fr;
    grid-template-rows: auto auto;
    align-items: center;
    column-gap: 28px;
  }
  .sf-benefit-visual { height: 260px; margin: 0; grid-row: 1 / 3; }

  .sf-cfm-grid { grid-template-columns: 1fr; }
  .sf-cfm-house { max-width: 650px; width: 100%; margin: auto; }
  .sf-cfm-visual { max-width: 680px; width: 100%; margin: auto; }

  .sf-simple-steps {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .sf-simple-steps article {
    min-height: 0;
    padding: 26px;
    display: grid;
    grid-template-columns: 100px 42px 1fr;
    grid-template-rows: auto auto;
    align-items: center;
    text-align: left;
  }

  .sf-step-icon { width: 88px; height: 88px; grid-row: 1 / 3; }
  .sf-sun-icon i { width: 44px; height: 44px; left: 22px; top: 22px; }
  .sf-fan-icon::before { width: 50px; height: 50px; left: 14px; top: 14px; }
  .sf-fan-icon i { width: 23px; }
  .sf-out-icon i { width: 48px; left: 20px; }
  .sf-out-icon i:nth-child(1) { top: 21px; }
  .sf-out-icon i:nth-child(2) { top: 40px; }
  .sf-out-icon i:nth-child(3) { top: 59px; }
  .sf-simple-steps article > span { margin: 0; }
  .sf-simple-steps h3 { align-self: end; margin: 0; }
  .sf-simple-steps p { grid-column: 3; align-self: start; }
  .sf-step-arrow { transform: rotate(90deg); }

  .sf-install-layout { grid-template-columns: .75fr 1fr; gap: 42px; }
  .sf-install-photo { height: 620px; }
}

/* Mobile */
@media (max-width: 700px) {
  .sf-container { width: min(calc(100% - 30px), var(--container)); }
  .sf-section { padding: 72px 0; }

  .sf-heading { margin-bottom: 34px; }
  .sf-heading h2,
  .sf-install h2 { font-size: clamp(39px, 12vw, 56px); }

  .sf-hero { padding-top: 106px; }
  .sf-hero-grid { padding-top: 0; }
  .sf-hero-copy { padding: 50px 0 5px; }
  .sf-hero h1 { font-size: clamp(54px, 16vw, 74px); }
  .sf-hero-lede { font-size: 18px; }
  .sf-hero-actions { align-items: stretch; flex-direction: column; gap: 13px; }
  .sf-cta { width: 100%; }
  .sf-phone { align-self: center; }

  .sf-proof-row { margin-top: 31px; }
  .sf-proof-row div { padding: 0 6px; }
  .sf-proof-row strong { font-size: 19px; }
  .sf-proof-row span { font-size: 9px; }

  .sf-hero-visual { height: 430px; border-radius: 70px 16px 16px; }
  .sf-hero-fan-card { min-width: 190px; padding: 16px 65px 16px 17px; }
  .sf-hero-fan-card > strong { font-size: 20px; }

  .sf-heat-stage { min-height: 455px; }
  .sf-heat-sun { width: 75px; height: 75px; left: 8%; top: 8%; }
  .sf-heat-sun::before, .sf-heat-sun::after, .sf-heat-sun i::before, .sf-heat-sun i::after { width: 22px; }
  .sf-heat-sun::before { transform: translate(-50%, -50%) rotate(0deg) translateX(50px); }
  .sf-heat-sun::after { transform: translate(-50%, -50%) rotate(90deg) translateX(50px); }
  .sf-heat-sun i::before { transform: translate(-50%, -50%) rotate(45deg) translateX(50px); }
  .sf-heat-sun i::after { transform: translate(-50%, -50%) rotate(135deg) translateX(50px); }
  .sf-house-shell { width: 390px; max-width: 100%; height: 360px; }
  .sf-house-roof { height: 210px; top: 0; }
  .sf-attic-cutaway { height: 150px; top: 34px; }
  .sf-room-cutaway { height: 180px; }
  .sf-room-sofa { transform: scale(.72); transform-origin: left bottom; left: 24px; }
  .sf-room-window { width: 58px; height: 64px; right: 25px; }
  .sf-duct { height: 34px; border-width: 4px; bottom: 13px; }
  .sf-duct i { width: 26px; height: 26px; }
  .sf-duct span { font-size: 7px; }
  .sf-label-roof { left: 47%; top: 16%; }
  .sf-label-attic { top: 24%; }
  .sf-heat-meter { width: 50px; height: 200px; right: 3%; top: 205px; }
  .sf-heat-meter::before { width: 28px; height: 28px; left: 11px; bottom: 10px; }
  .sf-heat-meter i { width: 9px; height: 145px; left: 21px; bottom: 27px; }
  .sf-punchline { margin-top: 25px; font-size: 21px; }

  .sf-air-card-head { padding: 22px 20px 15px; align-items: flex-start; flex-direction: column-reverse; }
  .sf-air-card-head h3 { font-size: 30px; }
  .sf-air-house { height: 300px; margin: 0 12px; }
  .sf-air-roof { height: 200px; top: 2px; }
  .sf-air-attic { height: 150px; top: 35px; }
  .sf-air-room { height: 117px; }
  .sf-temp-chip { top: 53px; font-size: 8px; }
  .sf-solar-panel { width: 62px; height: 40px; }
  .sf-air-caption { padding: 17px 20px 23px; flex-direction: column; }
  .sf-vs-badge { width: 62px; height: 62px; margin-block: -31px; }

  .sf-problem-grid {
    padding: 12px;
    border-radius: 20px;
  }

  .sf-problem-copy {
    min-height: 245px;
    padding: 25px;
    grid-template-columns: 1fr;
  }

  .sf-problem-copy span {
    font-size: 9px;
  }

  .sf-problem-copy strong {
    grid-column: auto;
    font-size: 34px;
  }

  .sf-video-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .sf-video-title h3 {
    text-align: left;
  }

  .sf-flow-field {
    height: 330px;
    margin: 0 12px;
  }

  .sf-flow-field-active > img {
    width: 140px;
    height: 93px;
  }

  .sf-field-label {
    top: 132px;
  }

  .sf-active-stream {
    height: 135px;
  }

  .sf-exhaust-stream {
    top: 83px;
  }

  .sf-video-feature-copy {
    text-align: center;
  }

  .sf-video-feature-copy h2 {
    font-size: 42px;
  }

  .sf-benefits-video {
    border-radius: 18px;
  }

  .sf-benefit-card {
    display: block;
    padding: 18px 18px 28px;
  }
  .sf-benefit-visual { height: 220px; margin-bottom: 25px; }
  .sf-benefit-card h3, .sf-benefit-card p { margin-inline: 4px; }

  .sf-cfm { min-height: 0; padding: 82px 0; }
  .sf-cfm-copy h2 { display: block; }
  .sf-cfm-copy h2 strong { font-size: clamp(91px, 28vw, 126px); }
  .sf-cfm-copy h2 span { padding: 0; font-size: 30px; }
  .sf-cfm-copy h3 { margin-top: 28px; }
  .sf-cfm-house { height: 310px; }
  .sf-cfm-roof { height: 220px; }
  .sf-cfm-attic { height: 168px; top: 37px; }
  .sf-cfm-base { height: 108px; }
  .sf-cfm-visual { height: 360px; }
  .sf-cfm-product { width: 170px; height: 114px; right: 8%; }
  .sf-cfm-rush { width: 63%; left: 2%; }

  @keyframes sf-cfm-horizontal {
    0% { opacity: 0; transform: translateX(0) scale(.7); }
    18%, 75% { opacity: 1; }
    100% { opacity: 0; transform: translateX(190px) scale(1.15); }
  }

  .sf-simple-steps article {
    padding: 22px 17px;
    grid-template-columns: 82px 34px 1fr;
  }
  .sf-step-icon { width: 72px; height: 72px; }
  .sf-sun-icon i { width: 38px; height: 38px; left: 17px; top: 17px; }
  .sf-fan-icon::before { width: 42px; height: 42px; left: 10px; top: 10px; }
  .sf-fan-icon i { width: 20px; }
  .sf-out-icon i { width: 38px; left: 16px; }
  .sf-out-icon i:nth-child(1) { top: 15px; }
  .sf-out-icon i:nth-child(2) { top: 31px; }
  .sf-out-icon i:nth-child(3) { top: 47px; }
  .sf-simple-steps h3 { font-size: 20px; }
  .sf-simple-steps p { font-size: 13px; }
  .sf-control-strip { width: 100%; border-radius: 16px; flex-wrap: wrap; justify-content: center; }
  .sf-control-strip span { padding: 4px 11px; }

  .sf-install-layout { grid-template-columns: 1fr; }
  .sf-install-photo { height: 430px; border-radius: 18px 85px 18px 18px; }
  .sf-install-copy .sf-heading { margin-bottom: 22px; }

  .sf-final { min-height: 510px; padding: 100px 0 80px; }
  .sf-final-visual { width: calc(100% - 30px); height: 170px; top: 35px; }
  .sf-final-hot::before, .sf-final-cool::before { width: 160px; height: 80px; }
  .sf-final-hot span, .sf-final-cool span { font-size: 8px; }
  .sf-final-close h2 { font-size: 46px; }
  .sf-final-actions { align-items: stretch; flex-direction: column; gap: 13px; }
  .sf-final-actions .sf-phone { align-self: center; }
}

@media (max-width: 420px) {
  .sf-hero h1 { font-size: 50px; }
  .sf-proof-row { gap: 4px; }
  .sf-proof-row strong { font-size: 17px; }
  .sf-proof-row span { font-size: 8px; }
  .sf-air-caption strong { font-size: 15px; }
  .sf-control-strip span { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .sf-motion-ready .sf-reveal { opacity: 1; transform: none; }
  .sf-movement-word { background-position: 45% 50%; transform: skewX(-5deg); }
  .sf-movement-word::before,
  .sf-movement-trails { display: none; }
}

/* 2026 video-first sales flow */
.sf-hero h1.sf-home-defense-title {
  max-width: 720px;
  font-size: clamp(56px, 5vw, 76px);
  font-weight: 820;
  line-height: .95;
}

.sf-lifetime-gold {
  color: #f6c84d;
  font-weight: 850;
  text-shadow: 0 0 18px rgba(246, 200, 77, .2);
}

.sf-hero-video-shell {
  padding: 12px;
  border: 1px solid rgba(255, 213, 88, .48);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(0, 22, 64, .95), rgba(0, 52, 113, .92));
  isolation: isolate;
  overflow: hidden;
  position: relative;
  box-shadow: 0 34px 80px rgba(0, 5, 20, .45), 0 0 35px rgba(0, 142, 227, .12);
}

@media (min-width: 1121px) {
  .sf-hero-grid {
    grid-template-columns: minmax(0, .9fr) minmax(540px, .96fr);
    gap: clamp(42px, 5vw, 74px);
  }

  .sf-hero-video-shell {
    margin-right: 0;
  }
}

.sf-hero-video-shell::before {
  content: "";
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(246, 200, 77, .16);
  filter: blur(42px);
  position: absolute;
  right: -60px;
  top: -90px;
  z-index: -1;
  animation: sf-video-glow 4.5s ease-in-out infinite;
}

.sf-hero-video-heading {
  padding: 17px 16px 18px;
}

.sf-hero-video-heading span,
.sf-hero-video-heading strong {
  display: block;
}

.sf-hero-video-heading span {
  margin-bottom: 5px;
  color: #f6c84d;
  font-size: 13px;
  font-weight: 950;
  letter-spacing: .17em;
  text-transform: uppercase;
}

.sf-hero-video-heading strong {
  color: #fff;
  font-size: clamp(26px, 2.5vw, 38px);
  font-weight: 920;
  letter-spacing: -.045em;
}

.sf-hero-video-frame {
  border: 1px solid rgba(139, 217, 255, .24);
  border-radius: 13px;
  box-shadow: 0 18px 45px rgba(0, 6, 25, .38);
}

.sf-hero-warranty-line {
  margin-top: 14px;
  color: #f6c84d;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 11px;
  font-weight: 950;
  letter-spacing: .18em;
  line-height: 1;
  text-align: center;
  text-shadow: 0 0 12px rgba(246, 200, 77, .34);
  text-transform: uppercase;
}

.sf-hero-warranty-line::before,
.sf-hero-warranty-line::after {
  content: "";
  width: 44px;
  height: 1px;
  background: linear-gradient(90deg, transparent, #f6c84d);
  opacity: .8;
}

.sf-hero-warranty-line::after { transform: scaleX(-1); }

.sf-hero-video-footer {
  padding: 16px 13px 10px;
  color: #add8ee;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.sf-hero-video-footer i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #f6c84d;
  box-shadow: 0 0 10px rgba(246, 200, 77, .5);
}

.sf-story-strip {
  padding: 38px 0;
  border-bottom: 1px solid #dce6ed;
  background: #f7f5ef;
}

.sf-story-flow {
  display: grid;
  grid-template-columns: 1fr 56px 1fr 56px 1fr;
  align-items: center;
  gap: 14px;
}

.sf-story-flow > div {
  min-height: 122px;
  padding: 21px 24px;
  border: 1px solid #d9e4ec;
  border-radius: 17px;
  background: #fff;
  display: grid;
  grid-template-columns: auto 1fr;
  align-content: center;
  column-gap: 13px;
  box-shadow: 0 13px 34px rgba(0, 23, 69, .07);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.sf-story-flow > div:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 42px rgba(0, 23, 69, .12);
}

.sf-story-flow div > span {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #e3f3fb;
  color: #0075b8;
  display: grid;
  grid-row: 1 / 3;
  place-items: center;
  font-size: 11px;
  font-weight: 950;
}

.sf-story-flow strong {
  color: var(--navy-900);
  font-size: 22px;
  font-weight: 920;
  letter-spacing: -.035em;
}

.sf-story-flow small {
  color: #667788;
  font-size: 12px;
  font-weight: 700;
}

.sf-story-flow > i {
  color: #d19a17;
  font-size: 30px;
  font-style: normal;
  text-align: center;
  animation: sf-story-arrow 1.8s ease-in-out infinite;
}

.sf-air-card-head h3 {
  max-width: 72%;
  font-size: clamp(24px, 2.35vw, 35px);
  line-height: 1;
  text-align: right;
}

.sf-flow-field-active > img {
  animation: sf-product-float 3.6s ease-in-out infinite;
}

.sf-hotter-card,
.sf-benefit-card,
.sf-simple-steps article {
  isolation: isolate;
  position: relative;
}

.sf-hotter-card::before,
.sf-benefit-card::before,
.sf-simple-steps article::before {
  content: "";
  border-radius: inherit;
  background: linear-gradient(115deg, transparent 30%, rgba(46, 171, 235, .18) 47%, rgba(246, 200, 77, .24) 52%, transparent 69%);
  background-size: 240% 100%;
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 0;
  animation: sf-card-shine 7s linear infinite;
}

.sf-hotter-card > *,
.sf-benefit-card > *,
.sf-simple-steps article > * {
  position: relative;
  z-index: 1;
}

@keyframes sf-video-glow {
  50% { opacity: .55; transform: scale(1.2); }
}

@keyframes sf-story-arrow {
  50% { color: #007ac1; transform: translateX(5px); }
}

@keyframes sf-story-arrow-mobile {
  0%, 100% { transform: rotate(90deg) translateX(0); }
  50% { color: #007ac1; transform: rotate(90deg) translateX(5px); }
}

@keyframes sf-product-float {
  50% { translate: 0 -7px; }
}

@keyframes sf-card-shine {
  to { background-position: -240% 0; }
}

@media (max-width: 1120px) {
  .sf-hero-video-heading strong {
    font-size: 28px;
  }

  .sf-proof-row strong {
    font-size: 21px;
  }

  .sf-air-card-head h3 {
    max-width: none;
    text-align: left;
  }
}

@media (max-width: 900px) {
  .sf-hero-video-shell {
    width: min(760px, 100%);
    margin-inline: auto;
  }

  .sf-story-flow {
    grid-template-columns: 1fr;
  }

  .sf-story-flow > i {
    transform: rotate(90deg);
    animation-name: sf-story-arrow-mobile;
  }

  .sf-story-flow > div {
    min-height: 104px;
  }
}

@media (max-width: 700px) {
  .sf-hero h1.sf-home-defense-title {
    font-size: clamp(45px, 13vw, 57px);
  }

  .sf-hero-video-shell {
    padding: 8px;
    border-radius: 17px;
  }

  .sf-hero-video-heading {
    padding: 14px 11px 15px;
  }

  .sf-hero-video-heading span {
    font-size: 11px;
  }

  .sf-hero-video-heading strong {
    font-size: 25px;
  }

  .sf-hero-video-footer {
    gap: 8px;
    font-size: 8px;
  }

  .sf-hero-warranty-line {
    margin-top: 12px;
    gap: 9px;
    font-size: 9px;
  }

  .sf-hero-warranty-line::before,
  .sf-hero-warranty-line::after { width: 28px; }

  .sf-proof-row strong { font-size: 15px; line-height: 1.05; }

  .sf-proof-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sf-proof-row span {
    font-size: 7px;
  }

  .sf-proof-row .sf-windstorm-proof {
    padding: 11px 10px 10px;
  }

  .sf-windstorm-proof strong {
    font-size: clamp(15px, 4.5vw, 20px);
    letter-spacing: -.035em;
  }

  .sf-windstorm-proof span { font-size: 9px; letter-spacing: .06em; }
  .sf-windstorm-proof small { font-size: 8px; letter-spacing: .04em; }

  .sf-story-strip {
    padding: 24px 0;
  }

  .sf-story-flow > div {
    min-height: 92px;
    padding: 17px;
  }

  .sf-story-flow > i {
    height: 24px;
    line-height: 24px;
  }

  .sf-air-card-head h3 {
    max-width: 100%;
    font-size: 27px;
  }
}

@media (max-width: 420px) {
  .sf-hero h1.sf-home-defense-title {
    font-size: 44px;
  }
}

@media (max-width: 900px) {
  .sf-hotter-grid {
    grid-template-columns: 1fr;
  }

  .sf-hotter-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    grid-template-rows: auto auto;
    align-items: center;
    column-gap: 28px;
  }

  .sf-hotter-visual {
    height: 230px;
    margin: 0;
    grid-row: 1 / 3;
  }
}

@media (max-width: 700px) {
  .sf-hotter-card {
    padding: 18px 18px 28px;
    display: block;
  }

  .sf-hotter-visual {
    height: 220px;
    margin-bottom: 25px;
  }

  .sf-hotter-card h3 {
    margin-inline: 4px;
  }

  .sf-hotter-card p {
    margin-inline: 4px;
  }
}

/* Center the streamlined hero after moving the video into the benefits section. */
@media (min-width: 901px) {
  .sf-hero {
    min-height: 620px;
  }

  .sf-hero-grid {
    min-height: 500px;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    gap: 0;
  }

  .sf-hero-copy {
    width: min(900px, 100%);
    margin-inline: auto;
    padding: 44px 0 24px;
    align-self: center;
    text-align: center;
  }

  .sf-hero-actions {
    justify-content: center;
  }

  .sf-hero h1.sf-home-defense-title,
  .sf-hero-lede {
    margin-inline: auto;
  }
}

@media (max-width: 900px) {
  .sf-hero-copy {
    grid-column: 1;
    grid-row: auto;
  }
}

@media (max-width: 700px) {
  .solar-page .hero-header.is-hidden {
    transform: none;
  }

  .sf-hero {
    padding-bottom: 18px;
  }

  .sf-hero-grid {
    min-height: 0;
    padding-top: 0;
    align-items: start;
    gap: 0;
  }

  .sf-hero-copy {
    padding: 18px 0 0;
  }

  .sf-hero-lede {
    margin-bottom: 26px;
    line-height: 1.55;
  }

  .sf-hero-actions .sf-cta {
    width: min(100%, 210px);
    min-width: 0;
    min-height: 52px;
    padding: 12px 18px;
    align-self: center;
    font-size: 13px;
  }

  .sf-hero-actions .sf-phone {
    padding: 5px 0 3px;
  }

  .sf-benefits-video-frame {
    border-radius: 14px;
  }

  .sf-impact {
    padding-top: 29px;
    padding-bottom: 0;
  }

  .sf-benefits-backdrop {
    padding: 54px 0 66px;
  }

  .sf-savings {
    padding: 44px 0;
  }

  .sf-product {
    padding-top: 38px;
  }

  .sf-install {
    padding-bottom: 18px;
  }

  .sf-install-gallery {
    height: 600px;
    padding: 6px;
    border-radius: 18px 74px 18px 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: 270px 150px 150px;
    gap: 6px;
  }

  .sf-install-gallery figure:first-child {
    border-radius: 12px 64px 0 0;
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .sf-install-gallery figure:nth-child(2) {
    border-radius: 0;
  }

  .sf-install-gallery figure:last-of-type {
    border-radius: 0 0 12px 12px;
    grid-column: 1 / -1;
  }

  .sf-install-gallery > span {
    left: 16px;
    bottom: 16px;
    font-size: 9px;
  }

  .sf-final {
    min-height: 0;
    padding: 24px 0 54px;
  }

  .sf-final-action-stack {
    width: 100%;
  }

  .sf-final-close h2 {
    font-size: clamp(34px, 10.4vw, 42px);
    letter-spacing: -.045em;
    line-height: 1.04;
  }

}

/* Slower, understated motion for the primary phone CTA. */
.sf-hero-actions .phone-cta::before,
.sf-hero-actions .phone-cta:hover::before,
.sf-hero-actions .phone-cta:focus-visible::before {
  opacity: .72;
  filter: drop-shadow(0 0 2px rgba(238, 185, 59, .38))
    drop-shadow(0 0 5px rgba(181, 116, 13, .18));
  animation: premium-gold-spin 12s linear infinite;
}

@media (max-width: 700px) {
  .sf-hero-copy {
    text-align: center;
  }

  .sf-hero {
    padding-bottom: 24px;
    border-bottom: 4px solid #e6a92f;
  }

  .sf-hero h1.sf-home-defense-title,
  .sf-hero-lede {
    margin-inline: auto;
  }

  .sf-hero-actions {
    align-items: center;
    padding-top: 28px;
    border-top: 1px solid rgba(140, 209, 255, .28);
  }

  .sf-hero-actions .sf-phone {
    order: 2;
  }

  .sf-hero-actions .sf-cta {
    order: 1;
  }

  .sf-impact {
    padding-top: 26px;
    overflow: hidden;
  }

  .sf-impact-heading {
    margin-top: 0;
    padding-top: 20px;
  }

  .sf-final-close h2 {
    font-size: clamp(27px, 8vw, 38px);
    line-height: 1.08;
  }

  .sf-final-close h2 span,
  .sf-final-close > p span {
    display: block;
  }

  .sf-final-close h2 span:last-child {
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sf-hero-actions .phone-cta::before {
    animation: none;
  }
}

@media (max-width: 700px) {
  .sf-savings-heading > p.sf-savings-kicker {
    width: min(100%, 390px);
    margin: 22px auto 0;
    padding: 14px 18px 15px;
    border: 2px solid #ffd45c;
    border-radius: 14px;
    background: linear-gradient(145deg, #002457 0%, #073f7c 100%);
    color: #fff;
    text-align: center;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, .12),
      0 0 0 1px rgba(255, 224, 125, .28),
      0 0 18px rgba(255, 196, 48, .28),
      0 10px 24px rgba(0, 23, 69, .16);
  }

  .sf-savings-heading {
    margin-bottom: 8px;
  }

  .sf-savings-kicker strong,
  .sf-savings-kicker span {
    display: block;
  }

  .sf-savings-kicker strong {
    color: #fff;
    font-size: 17px;
    font-weight: 900;
  }

  .sf-savings-kicker span {
    margin-top: 4px;
    color: #fff;
    font-size: 15px;
    font-weight: 400;
  }
}

.sf-alternative-link {
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  gap: 7px;
}

.sf-alternative-link em {
  border: 0;
  color: inherit;
  font-style: italic;
  position: relative;
  left: -3px;
  text-decoration: none;
}

@media (max-width: 700px) {
  .sf-savings-milestones span {
    font-size: 13px;
  }

  .sf-savings-milestones b {
    font-size: 16px;
  }

  .sf-savings-disclaimer {
    font-size: 11px;
  }
}

@media (min-width: 701px) {
  .sf-hero {
    min-height: 0;
    padding-bottom: 26px;
  }

  .sf-hero-grid {
    min-height: 0;
  }

  .sf-hero-copy {
    padding-bottom: 0;
  }

  .sf-savings-heading > p.sf-savings-kicker {
    width: min(100%, 430px);
    margin: 22px auto 0;
    padding: 14px 20px 15px;
    border: 2px solid #ffd45c;
    border-radius: 14px;
    background: linear-gradient(145deg, #002457 0%, #073f7c 100%);
    color: #fff;
    text-align: center;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, .12),
      0 0 0 1px rgba(255, 224, 125, .28),
      0 0 18px rgba(255, 196, 48, .28),
      0 10px 24px rgba(0, 23, 69, .16);
  }

  .sf-savings-kicker strong,
  .sf-savings-kicker span {
    display: block;
  }

  .sf-savings-kicker strong {
    color: #fff;
    font-size: 19px;
    font-weight: 900;
  }

  .sf-savings-kicker span {
    margin-top: 4px;
    color: #fff;
    font-size: 16px;
    font-weight: 400;
  }

  .sf-savings-milestones span {
    font-size: 13px;
  }

  .sf-savings-milestones b {
    font-size: clamp(16px, calc(1.3vw + 3px), 20px);
  }
}