:root {
  --ink: #0d1435;
  --muted: #66708b;
  --blue: #315cf5;
  --blue-deep: #172c8c;
  --mint: #24d6a1;
  --mint-deep: #0a9a70;
  --paper: #f6f8ff;
  --line: #dfe5f4;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(20, 43, 120, .13);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.page-shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; padding: 12px 18px; background: var(--ink); color: white; border-radius: 12px; }
.skip-link:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  padding: 14px 0;
  transition: background .25s ease, box-shadow .25s ease, padding .25s ease;
}
.site-header.scrolled { padding: 9px 0; background: rgba(255,255,255,.88); backdrop-filter: blur(20px); box-shadow: 0 1px 0 rgba(20,36,91,.08); }
.nav-shell { width: min(1240px, calc(100% - 40px)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand span { display: flex; align-items: baseline; gap: 8px; }
.brand strong { font-size: 19px; letter-spacing: -.04em; }
.brand small { color: var(--muted); font-weight: 600; }
nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 600; color: #3b4562; }
nav a { transition: color .2s ease; }
nav a:hover { color: var(--blue); }
.nav-cta { padding: 11px 18px; border-radius: 999px; color: white; background: var(--ink); }
nav .nav-cta:hover { color: white; background: var(--blue); }
.nav-toggle { display: none; width: 42px; height: 42px; border: 0; border-radius: 50%; background: #eef2ff; padding: 11px; }
.nav-toggle > span:not(.sr-only) { display: block; height: 2px; background: var(--ink); margin: 4px 0; border-radius: 2px; }

.hero { position: relative; min-height: 820px; padding: 164px 0 104px; overflow: hidden; background: linear-gradient(145deg, #f9faff 0%, #eef3ff 58%, #f1fff9 100%); }
.hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(49,92,245,.09) 1px, transparent 1px); background-size: 24px 24px; mask-image: linear-gradient(to right, black, transparent 52%); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(4px); opacity: .8; }
.hero-glow-one { width: 540px; height: 540px; right: -150px; top: -210px; background: radial-gradient(circle, rgba(36,214,161,.2), transparent 70%); }
.hero-glow-two { width: 600px; height: 600px; left: 38%; bottom: -430px; background: radial-gradient(circle, rgba(49,92,245,.18), transparent 70%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 72px; }
.eyebrow, .section-kicker { margin: 0 0 22px; color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow span { display: inline-block; width: 8px; height: 8px; margin-right: 9px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 6px rgba(36,214,161,.13); }
.hero h1 { margin: 0; font-size: clamp(52px, 5.2vw, 78px); line-height: 1.08; letter-spacing: -.065em; }
.hero h1 em { color: var(--blue); font-style: normal; }
.hero-lead { max-width: 650px; margin: 30px 0 0; color: #53607f; font-size: 19px; line-height: 1.85; }
.hero-actions { display: flex; gap: 14px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 24px; border-radius: 16px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: linear-gradient(135deg, var(--blue), #5478ff); box-shadow: 0 14px 32px rgba(49,92,245,.25); }
.button-primary span { margin-left: 14px; font-size: 20px; }
.button-secondary { background: rgba(255,255,255,.8); border: 1px solid #d7deef; }
.trust-list { display: flex; flex-wrap: wrap; gap: 20px; padding: 0; margin: 32px 0 0; list-style: none; color: #616b86; font-size: 14px; }
.trust-list span { display: inline-grid; place-items: center; width: 20px; height: 20px; margin-right: 5px; border-radius: 50%; color: var(--mint-deep); background: #dffff4; font-size: 12px; font-weight: 900; }

.hero-visual { position: relative; min-height: 580px; display: grid; place-items: center; }
.phone-stage { position: relative; z-index: 2; }
.phone { position: relative; width: 306px; height: 620px; padding: 56px 22px 24px; overflow: hidden; border: 9px solid #111831; border-radius: 54px; background: linear-gradient(180deg, #fff 0%, #f8faff 100%); box-shadow: 0 42px 90px rgba(14,28,82,.25), inset 0 0 0 1px #dfe5f3; transform: rotate(2deg); }
.phone-speaker { position: absolute; top: 14px; left: 50%; width: 82px; height: 24px; transform: translateX(-50%); background: #111831; border-radius: 16px; }
.app-topline { display: flex; justify-content: space-between; align-items: center; color: #5f6880; font-size: 12px; font-weight: 700; }
.distance-pill { padding: 7px 9px; border-radius: 999px; color: #087c5b; background: #e1fff5; }
.distance-pill i { display: inline-block; width: 6px; height: 6px; margin-right: 4px; border-radius: 50%; background: var(--mint); }
.camera-bubble { width: 88px; height: 88px; margin: 30px auto 0; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 3px solid rgba(36,214,161,.55); border-radius: 50%; background: linear-gradient(145deg, #dce5ed, #b9c8d4); box-shadow: 0 0 0 7px #ecfff8; }
.face-dot { position: relative; width: 28px; height: 35px; border-radius: 50% 50% 42% 42%; background: #728091; }
.face-dot::after { content: ""; position: absolute; width: 36px; height: 18px; left: -4px; bottom: -12px; border-radius: 50% 50% 0 0; background: #728091; }
.camera-bubble span { position: absolute; margin-top: 118px; color: var(--mint-deep); font-size: 11px; font-weight: 800; white-space: nowrap; }
.acuity-label { margin: 46px 0 0; color: #7a839b; font-size: 12px; }
.acuity-label strong { color: var(--ink); font-size: 20px; margin-left: 5px; }
.optotype { height: 198px; display: grid; place-items: center; color: #080b18; font-family: Arial Black, sans-serif; font-size: 176px; font-weight: 900; line-height: 1; transform: scaleX(-1); }
.ready-state { margin-top: 8px; padding: 15px 12px; color: #052f23; background: linear-gradient(135deg, #48e2b4, #72efc7); border-radius: 16px; text-align: center; font-size: 12px; font-weight: 850; box-shadow: 0 10px 24px rgba(36,214,161,.24); }
.mic-icon { display: inline-block; margin-right: 6px; color: white; animation: pulse 1.5s infinite; }
.progress-row { display: flex; justify-content: center; gap: 6px; margin-top: 24px; }
.progress-row span { width: 32px; height: 4px; border-radius: 3px; background: #dde2ed; }
.progress-row .active { background: var(--blue); }
.orbit { position: absolute; border: 1px solid rgba(49,92,245,.15); border-radius: 50%; }
.orbit-one { width: 500px; height: 500px; }
.orbit-two { width: 620px; height: 620px; border-color: rgba(36,214,161,.13); }
.floating-card { position: absolute; z-index: 4; display: grid; min-width: 180px; padding: 15px 17px; border: 1px solid rgba(255,255,255,.8); border-radius: 18px; background: rgba(255,255,255,.9); box-shadow: var(--shadow); backdrop-filter: blur(16px); }
.floating-card strong { font-size: 14px; }
.floating-card small { margin-top: 4px; color: var(--muted); }
.floating-card-one { left: -112px; top: 140px; }
.floating-card-two { right: -135px; bottom: 120px; grid-template-columns: 42px auto; column-gap: 10px; }
.floating-card-two b { grid-row: 1 / 3; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; color: white; background: var(--blue); }
.pulse-dot { position: absolute; right: 14px; top: 15px; width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 5px rgba(36,214,161,.15); }

.statement { padding: 72px 0; background: var(--ink); color: white; }
.statement-grid { display: grid; grid-template-columns: .36fr 1fr; gap: 80px; align-items: start; }
.statement .section-kicker { color: #8da5ff; }
.statement-copy { margin: 0; max-width: 850px; font-size: clamp(26px, 3.2vw, 43px); line-height: 1.38; letter-spacing: -.035em; color: #aeb9d5; }
.statement-copy strong { color: white; }

.section { padding: 120px 0; }
.section-heading { display: grid; grid-template-columns: 1fr .72fr; align-items: end; gap: 70px; margin-bottom: 54px; }
.section-heading .section-kicker { grid-column: 1 / -1; margin-bottom: -42px; }
.section-heading h2, .flow h2, .science h2, .availability h2 { margin: 0; font-size: clamp(39px, 4.2vw, 60px); line-height: 1.14; letter-spacing: -.055em; }
.section-heading > p:last-child { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.8; }
.section-heading.centered { display: block; max-width: 760px; margin: 0 auto 60px; text-align: center; }
.section-heading.centered .section-kicker { margin-bottom: 20px; }

.difference { background: #fbfcff; }
.comparison { position: relative; display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; border: 1px solid var(--line); border-radius: 34px; background: white; box-shadow: 0 18px 60px rgba(15,31,82,.08); }
.compare-column { padding: 48px; }
.compare-common { background: #f4f5f9; color: #657087; }
.compare-label { display: inline-block; padding: 7px 12px; margin: 0 0 20px; border-radius: 999px; background: rgba(13,20,53,.07); font-size: 12px; font-weight: 800; }
.compare-column h3 { margin: 0 0 32px; max-width: 400px; color: var(--ink); font-size: 25px; line-height: 1.4; }
.compare-column ul { padding: 0; margin: 0; list-style: none; }
.compare-column li { display: flex; align-items: center; gap: 14px; padding: 17px 0; border-top: 1px solid rgba(90,103,137,.13); }
.compare-column li span { font-family: ui-monospace, monospace; color: #9098aa; font-size: 11px; }
.compare-visioncapa { background: linear-gradient(145deg, #152768, #0b153d); color: #dbe3ff; }
.compare-visioncapa .compare-label { color: #dffff5; background: rgba(36,214,161,.16); }
.compare-visioncapa h3 { color: white; }
.compare-visioncapa li { border-color: rgba(255,255,255,.12); }
.compare-visioncapa li span { color: var(--mint); }
.compare-divider { position: absolute; z-index: 3; left: 50%; top: 50%; transform: translate(-50%,-50%); }
.compare-divider span { display: grid; place-items: center; width: 52px; height: 52px; border: 7px solid white; border-radius: 50%; color: white; background: var(--blue); font-size: 12px; font-weight: 900; }

.abilities { background: var(--paper); }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature-card { min-height: 350px; padding: 38px; overflow: hidden; border: 1px solid #e4e8f3; border-radius: var(--radius); background: white; transition: transform .25s ease, box-shadow .25s ease; }
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 20px 45px rgba(17,38,105,.09); }
.feature-large, .feature-color, .feature-report { display: grid; grid-template-columns: .75fr 1.25fr; align-items: center; gap: 34px; grid-column: 1 / -1; min-height: 330px; }
.feature-card h3 { margin: 10px 0 14px; font-size: 27px; letter-spacing: -.035em; }
.feature-card p:not(.card-index) { margin: 0; color: var(--muted); line-height: 1.85; }
.card-index { margin: 0; color: var(--blue); font-size: 12px; font-weight: 850; letter-spacing: .08em; }
.feature-icon { height: 138px; display: flex; align-items: center; justify-content: center; margin-bottom: 32px; border-radius: 24px; background: #f0f4ff; }
.feature-large .feature-icon { height: 210px; margin: 0; }
.distance-icon { color: var(--blue); background: radial-gradient(circle at 50% 50%, #fff 0 27%, transparent 28%), repeating-radial-gradient(circle at 50% 50%, rgba(49,92,245,.16) 0 2px, transparent 2px 34px), #eef3ff; }
.distance-icon span { font-size: 58px; font-weight: 850; letter-spacing: -.07em; }
.distance-icon small { align-self: center; margin: 28px 0 0 5px; font-weight: 800; }
.eye-icon span { position: relative; width: 100px; height: 58px; border: 8px solid var(--blue); border-radius: 90% 10% 90% 10%; transform: rotate(45deg); }
.eye-icon span::after { content: ""; position: absolute; width: 27px; height: 27px; left: 29px; top: 8px; border-radius: 50%; background: var(--mint); }
.voice-icon { gap: 6px; }
.voice-icon i { width: 8px; border-radius: 5px; background: var(--blue); }
.voice-icon i:nth-child(1), .voice-icon i:nth-child(5) { height: 30px; opacity: .45; }
.voice-icon i:nth-child(2), .voice-icon i:nth-child(4) { height: 58px; opacity: .7; }
.voice-icon i:nth-child(3) { height: 92px; background: var(--mint); }
.hotv-icon { gap: 8px; }
.hotv-icon span { display: grid; place-items: center; width: 54px; height: 64px; color: white; background: var(--blue); border-radius: 12px; font-size: 25px; font-weight: 900; transform: rotate(-4deg); }
.hotv-icon span:nth-child(2) { background: #476ef5; transform: translateY(-8px) rotate(3deg); }
.hotv-icon span:nth-child(3) { background: var(--mint-deep); transform: translateY(5px) rotate(-2deg); }
.hotv-icon span:nth-child(4) { background: var(--ink); transform: rotate(4deg); }
.feature-color { background: linear-gradient(135deg, #fff, #fbfff6); }
.color-demo { position: relative; width: 230px; height: 230px; margin: auto; border-radius: 50%; overflow: hidden; background: #f1b86e; }
.color-demo i { position: absolute; border-radius: 50%; background: #88a75c; }
.color-demo i:nth-child(1) { width: 62px; height: 62px; left: 20px; top: 32px; }.color-demo i:nth-child(2) { width: 46px; height: 46px; left: 106px; top: 14px; }.color-demo i:nth-child(3) { width: 70px; height: 70px; right: 12px; top: 56px; }.color-demo i:nth-child(4) { width: 42px; height: 42px; left: 66px; top: 91px; }.color-demo i:nth-child(5) { width: 54px; height: 54px; left: 12px; bottom: 38px; }.color-demo i:nth-child(6) { width: 40px; height: 40px; left: 112px; bottom: 14px; }.color-demo i:nth-child(7) { width: 62px; height: 62px; right: 8px; bottom: 28px; }.color-demo i:nth-child(n+8) { width: 24px; height: 24px; background: #d97657; }.color-demo i:nth-child(8) { left: 87px; top: 54px; }.color-demo i:nth-child(9) { right: 58px; top: 32px; }.color-demo i:nth-child(10) { left: 45px; bottom: 12px; }.color-demo i:nth-child(11) { right: 74px; bottom: 58px; }.color-demo i:nth-child(12) { left: 95px; top: 126px; }
.color-demo strong { position: absolute; inset: 0; display: grid; place-items: center; color: #d96c56; font-size: 70px; opacity: .75; }
.feature-report { color: white; background: linear-gradient(145deg, #15245b, #0c1539); border: 0; }
.feature-report .card-index { color: var(--mint); }
.feature-report p:not(.card-index) { color: #abb6d4; }
.mini-chart { position: relative; height: 210px; border-radius: 22px; background: repeating-linear-gradient(0deg, rgba(255,255,255,.08) 0 1px, transparent 1px 52px); }
.mini-chart svg { position: absolute; inset: 30px 10px 10px; width: calc(100% - 20px); height: calc(100% - 40px); overflow: visible; }
.mini-chart path { fill: none; stroke: var(--mint); stroke-width: 5; stroke-linecap: round; filter: drop-shadow(0 8px 12px rgba(36,214,161,.28)); }

.flow { background: white; }
.flow-grid { display: grid; grid-template-columns: .76fr 1.24fr; gap: 100px; }
.flow-copy { position: sticky; top: 130px; align-self: start; }
.flow-copy > p:not(.section-kicker) { max-width: 450px; margin: 26px 0; color: var(--muted); line-height: 1.8; }
.flow-status { display: inline-flex; align-items: center; padding: 13px 16px; border-radius: 13px; color: #075a42; background: #ddfff3; font-weight: 750; }
.flow-status span { width: 10px; height: 10px; margin-right: 9px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 5px rgba(36,214,161,.15); }
.flow-steps { padding: 0; margin: 0; list-style: none; }
.flow-steps li { display: grid; grid-template-columns: 74px 1fr; gap: 22px; min-height: 168px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.flow-steps > li > span { display: grid; place-items: center; width: 60px; height: 60px; border-radius: 19px; color: var(--blue); background: #edf2ff; font-size: 20px; font-weight: 850; }
.flow-steps strong { display: block; margin: 5px 0 12px; font-size: 24px; }
.flow-steps p { margin: 0; color: var(--muted); line-height: 1.75; }

.audiences { color: white; background: var(--ink); }
.audiences .section-kicker { color: var(--mint); }
.audiences .section-heading { display: block; max-width: 800px; }
.audiences .section-heading .section-kicker { margin-bottom: 20px; }
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.12); border-radius: 28px; overflow: hidden; }
.audience-grid article { min-height: 310px; padding: 38px; background: #111a42; }
.audience-grid article:nth-child(2) { background: #14204e; }
.audience-number { color: #7182b8; font-family: ui-monospace, monospace; font-size: 12px; }
.audience-grid h3 { margin: 92px 0 15px; font-size: 28px; }
.audience-grid p { margin: 0; color: #aeb8d1; line-height: 1.8; }

.science { background: #f7f9ff; }
.science-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.science-copy > p:not(.section-kicker) { margin: 28px 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.science-copy ul { padding: 0; margin: 0; list-style: none; }
.science-copy li { display: flex; align-items: center; padding: 12px 0; font-weight: 650; }
.science-copy li span { display: grid; place-items: center; width: 23px; height: 23px; margin-right: 10px; border-radius: 50%; color: var(--mint-deep); background: #dcfff2; }
.science-visual { position: relative; min-height: 500px; border-radius: 36px; background: linear-gradient(145deg, #eaf0ff, #fff); box-shadow: inset 0 0 0 1px #dfe5f3; overflow: hidden; }
.measure-line { position: absolute; left: 90px; right: 90px; top: 100px; height: 2px; background: repeating-linear-gradient(90deg, var(--blue) 0 7px, transparent 7px 14px); }
.measure-line span { position: absolute; top: -6px; width: 14px; height: 14px; border-radius: 50%; background: var(--blue); }
.measure-line span:first-child { left: -7px; }.measure-line span:nth-child(2) { right: -7px; }
.measure-line b { position: absolute; left: 50%; top: -38px; transform: translateX(-50%); color: var(--blue); }
.science-eye { position: absolute; left: 56px; top: 188px; width: 120px; height: 70px; border: 12px solid var(--blue); border-radius: 90% 10% 90% 10%; transform: rotate(45deg); }
.science-eye::after { content: ""; position: absolute; left: 34px; top: 10px; width: 30px; height: 30px; border-radius: 50%; background: var(--mint); }
.science-e { position: absolute; right: 62px; top: 162px; font: 900 135px/1 Arial Black, sans-serif; transform: scaleX(-1); }
.science-data { position: absolute; left: 50%; bottom: 44px; width: calc(100% - 88px); padding: 22px 24px; border-radius: 20px; background: white; box-shadow: 0 18px 45px rgba(26,48,116,.12); }
.science-data small { color: var(--muted); }.science-data strong { display: block; margin: 4px 0; color: var(--blue); font-size: 44px; }.science-data span { color: var(--muted); }

.availability { background: white; }
.availability-card { position: relative; padding: 80px; overflow: hidden; border-radius: 40px; color: white; text-align: center; background: linear-gradient(135deg, #243dba, #315cf5 55%, #16b788); box-shadow: 0 30px 80px rgba(35,66,190,.23); }
.availability-card::before, .availability-card::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; }
.availability-card::before { width: 480px; height: 480px; left: -220px; bottom: -300px; }.availability-card::after { width: 620px; height: 620px; right: -310px; top: -420px; }
.availability-card img { position: relative; z-index: 1; margin: 0 auto 25px; filter: drop-shadow(0 12px 24px rgba(4,15,70,.24)); }
.availability-card .section-kicker { position: relative; z-index: 1; color: #c9ffed; }
.availability-card h2 { position: relative; z-index: 1; }
.availability-card > p:not(.section-kicker) { position: relative; z-index: 1; max-width: 680px; margin: 24px auto; color: #dce4ff; font-size: 17px; line-height: 1.8; }
.availability-tags { position: relative; z-index: 1; display: flex; justify-content: center; gap: 10px; margin-top: 30px; }
.availability-tags span { padding: 10px 15px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; background: rgba(255,255,255,.1); font-size: 13px; font-weight: 700; }

footer { padding: 46px 0; background: #f7f9ff; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; color: var(--muted); font-size: 13px; }
.footer-brand { grid-row: 1 / 3; }
.footer-brand img { width: 38px; height: 38px; }
.footer-note { margin: -17px 0 0; }
.copyright { grid-column: 3; grid-row: 1 / 3; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .5; transform: scale(.8); } }

@media (max-width: 1000px) {
  nav { gap: 18px; }
  .hero { padding-top: 140px; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { max-width: 760px; margin: auto; }
  .hero-lead { margin-inline: auto; }.hero-actions, .trust-list { justify-content: center; }
  .hero-visual { margin-top: 15px; }
  .statement-grid, .flow-grid, .science-grid { grid-template-columns: 1fr; }
  .statement-grid { gap: 20px; }.flow-grid, .science-grid { gap: 60px; }
  .flow-copy { position: static; }
  .science-visual { order: 2; }
  .feature-large, .feature-color, .feature-report { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .page-shell { width: min(100% - 32px, 620px); }
  .site-header { background: rgba(255,255,255,.9); backdrop-filter: blur(16px); box-shadow: 0 1px 0 rgba(20,36,91,.08); }
  .nav-toggle { display: block; }
  nav { position: absolute; top: 66px; left: 16px; right: 16px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 20px; background: white; box-shadow: var(--shadow); }
  nav.open { display: flex; }
  nav a { padding: 13px 12px; }.nav-cta { margin-top: 5px; text-align: center; }
  .hero { min-height: 0; padding: 126px 0 74px; }
  .hero-grid { gap: 48px; }
  .hero h1 { font-size: clamp(44px, 13vw, 62px); }
  .hero-lead { font-size: 17px; line-height: 1.75; }
  .hero-actions { flex-direction: column; }.button { width: 100%; }
  .trust-list { gap: 12px; font-size: 12px; }
  .hero-visual { min-height: 540px; transform: scale(.86); margin: -25px -30px -40px; }
  .phone { width: 288px; height: 590px; }.floating-card-one { left: -48px; }.floating-card-two { right: -58px; }
  .statement { padding: 58px 0; }.statement-copy { font-size: 28px; }
  .section { padding: 82px 0; }
  .section-heading { display: block; margin-bottom: 40px; }.section-heading .section-kicker { margin-bottom: 18px; }.section-heading h2 { margin-bottom: 22px; }
  .comparison, .feature-grid, .audience-grid { grid-template-columns: 1fr; }
  .compare-column { padding: 34px 26px; }.compare-divider { top: 50%; }.compare-divider span { width: 44px; height: 44px; }
  .feature-large, .feature-color, .feature-report { grid-column: auto; grid-template-columns: 1fr; }.feature-card { min-height: 0; padding: 30px; }.feature-large .feature-icon { height: 170px; }.color-demo { width: 190px; height: 190px; }
  .flow-steps li { grid-template-columns: 58px 1fr; gap: 14px; }.flow-steps > li > span { width: 48px; height: 48px; border-radius: 15px; }
  .audience-grid article { min-height: 240px; padding: 30px; }.audience-grid h3 { margin-top: 55px; }
  .science-visual { min-height: 410px; }.measure-line { left: 52px; right: 52px; }.science-eye { left: 35px; transform: rotate(45deg) scale(.75); }.science-e { right: 30px; font-size: 110px; }.science-data { width: calc(100% - 48px); left: 24px; }
  .availability-card { width: calc(100% - 32px); padding: 56px 22px; border-radius: 30px; }.availability-tags { flex-wrap: wrap; }
  .footer-grid { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }.footer-note { margin: 0; }.copyright { margin-top: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}