:root {
  --ink: #211d25;
  --muted: #746f78;
  --cream: #f8f3eb;
  --paper: #fffdf9;
  --purple: #9f4dae;
  --purple-deep: #713b82;
  --purple-soft: #ead8ee;
  --teal: #2faeba;
  --teal-soft: #d7f0f1;
  --gold: #f4ad32;
  --coral: #f18a72;
  --line: rgba(48, 36, 53, 0.12);
  --shadow: 0 36px 100px rgba(76, 46, 85, 0.15);
  --radius-lg: 42px;
  --radius-md: 28px;
  --max: 1260px;
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button, a { -webkit-tap-highlight-color: transparent; }

button { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  transform: translateY(-180%);
}

.skip-link:focus { transform: translateY(0); }

.scroll-progress {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: 3px;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--purple), var(--gold));
  transform: scaleX(0);
  transform-origin: left center;
}

.site-header {
  position: fixed;
  z-index: 90;
  top: 18px;
  left: 50%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(calc(100% - 36px), 1180px);
  min-height: 62px;
  padding: 8px 10px 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 22px;
  background: rgba(255, 253, 249, 0.74);
  box-shadow: 0 12px 36px rgba(69, 40, 77, 0.08);
  backdrop-filter: blur(24px) saturate(1.25);
  transform: translateX(-50%);
  transition: width .35s ease, background .35s ease, box-shadow .35s ease;
}

.site-header.is-scrolled {
  width: min(calc(100% - 28px), 1080px);
  background: rgba(255, 253, 249, 0.91);
  box-shadow: 0 16px 50px rgba(49, 34, 54, 0.12);
}

.brand { display: inline-flex; align-items: center; gap: 10px; width: max-content; font-weight: 750; letter-spacing: -0.025em; }
.brand img { border-radius: 12px; box-shadow: 0 7px 18px rgba(113, 59, 130, .18); }
.site-header nav { display: flex; gap: 26px; color: #4b4650; font-size: .9rem; font-weight: 590; }
.site-header nav a { transition: color .2s ease; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: var(--purple); }
.header-cta { justify-self: end; padding: 12px 18px; border-radius: 16px; background: var(--ink); color: white; font-size: .86rem; font-weight: 700; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(440px, .98fr);
  align-items: center;
  min-height: 100svh;
  padding: 140px max(5vw, calc((100vw - var(--max))/2)) 88px;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 78% 38%, rgba(234, 216, 238, .92), transparent 26%),
    radial-gradient(circle at 60% 100%, rgba(215, 240, 241, .72), transparent 32%),
    linear-gradient(135deg, #fffdf9 0%, #f8f3eb 52%, #f4e9df 100%);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 7%;
  right: -13%;
  width: 56vw;
  aspect-ratio: 1;
  border: 1px solid rgba(159, 77, 174, .15);
  border-radius: 50%;
  box-shadow: inset 0 0 0 8vw rgba(255, 255, 255, .11), inset 0 0 0 16vw rgba(255, 255, 255, .09);
}

.hero-orb { position: absolute; z-index: -1; border-radius: 999px; filter: blur(1px); }
.orb-one { width: 92px; height: 92px; left: 7vw; bottom: 11%; background: linear-gradient(135deg, var(--gold), #ffd88c); box-shadow: 0 20px 40px rgba(244, 173, 50, .22); }
.orb-two { width: 38px; height: 38px; left: 48%; top: 18%; background: linear-gradient(135deg, var(--teal), #8ddbe1); box-shadow: 0 12px 30px rgba(47, 174, 186, .25); }

.hero-copy { position: relative; z-index: 3; max-width: 680px; }
.eyebrow { margin: 0 0 20px; color: var(--purple); font-size: .76rem; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(3.6rem, 6.5vw, 7.1rem); line-height: .92; letter-spacing: -.075em; }
.hero h1 span { display: block; }
.gradient-text { padding-bottom: .1em; background: linear-gradient(105deg, var(--purple-deep), var(--purple) 42%, var(--teal) 90%); background-clip: text; -webkit-background-clip: text; color: transparent; }
.hero-intro { max-width: 620px; margin: 32px 0 0; color: #625c66; font-size: clamp(1.15rem, 1.7vw, 1.42rem); line-height: 1.5; letter-spacing: -.025em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 15px 22px; border: 1px solid transparent; border-radius: 999px; font-size: .96rem; font-weight: 730; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: white; box-shadow: 0 15px 28px rgba(33, 29, 37, .15); }
.button-primary:hover, .button-primary:focus-visible { box-shadow: 0 20px 38px rgba(33, 29, 37, .23); }
.button-quiet { border-color: rgba(33, 29, 37, .14); background: rgba(255, 255, 255, .52); }
.button-large { padding: 18px 28px; font-size: 1.02rem; }
.trust-list { display: flex; flex-wrap: wrap; gap: 22px; margin: 34px 0 0; padding: 0; color: #76707a; list-style: none; font-size: .78rem; font-weight: 650; }
.trust-list span { margin-right: 7px; color: var(--teal); font-size: .62rem; }

.hero-reveal { opacity: 0; transform: translateY(36px); animation: heroIn .9s cubic-bezier(.2,.8,.2,1) forwards; }
.hero-reveal:nth-child(2) { animation-delay: .08s; }
.hero-reveal:nth-child(3) { animation-delay: .18s; }
.hero-reveal:nth-child(4) { animation-delay: .28s; }
.hero-reveal:nth-child(5) { animation-delay: .36s; }

.hero-stage { position: relative; z-index: 2; height: min(74vh, 790px); min-height: 610px; perspective: 1400px; transform-style: preserve-3d; }
.halo { position: absolute; inset: 50% auto auto 52%; border-radius: 50%; transform: translate(-50%, -50%); }
.halo-a { width: 530px; height: 530px; border: 1px solid rgba(159,77,174,.17); animation: pulse 4s ease-in-out infinite; }
.halo-b { width: 410px; height: 410px; background: radial-gradient(circle, rgba(255,255,255,.82), rgba(234,216,238,.18) 65%, transparent 68%); }
.device { position: relative; padding: 10px; border: 2px solid #37333a; border-radius: 48px; background: #171519; box-shadow: 0 38px 75px rgba(39, 24, 44, .22), 0 4px 10px rgba(39, 24, 44, .2); }
.device::after { content: ""; position: absolute; inset: 8px; z-index: 2; border: 1px solid rgba(255,255,255,.22); border-radius: 38px; pointer-events: none; }
.device-screen { position: relative; overflow: hidden; height: 100%; border-radius: 37px; background: white; }
.device-screen img { width: 100%; height: 100%; object-fit: cover; }
.device-speaker { position: absolute; z-index: 5; top: 16px; left: 50%; width: 31%; height: 20px; border-radius: 999px; background: #171519; transform: translateX(-50%); }
.device-hero { position: absolute; top: 50%; left: 50%; width: min(320px, 44vw); aspect-ratio: 1206 / 2622; transform: translate(-50%, -48%) rotate(6deg); transform-style: preserve-3d; transition: transform .22s ease-out; }
.device-hero .device-screen img { object-position: top; }

.app-icon-float { position: absolute; z-index: 5; top: 4%; right: 1%; width: 126px; padding: 8px; border: 1px solid rgba(255,255,255,.8); border-radius: 33px; background: rgba(255,255,255,.48); box-shadow: 0 24px 60px rgba(85,51,95,.2); backdrop-filter: blur(18px); animation: float 5s ease-in-out infinite; }
.app-icon-float img { border-radius: 25px; }
.float-chip { position: absolute; z-index: 6; display: grid; grid-template-columns: 44px auto; gap: 2px 12px; min-width: 190px; padding: 15px; border: 1px solid rgba(255,255,255,.78); border-radius: 22px; background: rgba(255,255,255,.76); box-shadow: 0 22px 55px rgba(74,42,82,.15); backdrop-filter: blur(18px); }
.float-chip strong { align-self: end; font-size: .91rem; }
.float-chip small { grid-column: 2; color: var(--muted); font-size: .68rem; }
.chip-growth { top: 30%; left: -3%; animation: float 5.8s ease-in-out .4s infinite; }
.chip-private { right: -5%; bottom: 14%; animation: float 6.2s ease-in-out .8s infinite; }
.mini-chart { grid-row: 1 / span 2; display: flex; align-items: end; justify-content: center; gap: 3px; width: 44px; height: 44px; padding: 8px; border-radius: 14px; background: var(--teal-soft); }
.mini-chart i { width: 4px; border-radius: 6px; background: var(--teal); }
.mini-chart i:nth-child(1){height: 20%}.mini-chart i:nth-child(2){height: 46%}.mini-chart i:nth-child(3){height: 66%}.mini-chart i:nth-child(4){height: 92%}
.lock-icon { grid-row: 1 / span 2; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: var(--purple-soft); color: var(--purple); font-size: 1.6rem; }
.scroll-cue { position: absolute; bottom: 24px; left: 50%; display: grid; place-items: start center; width: 30px; height: 48px; border: 1px solid rgba(33,29,37,.24); border-radius: 999px; transform: translateX(-50%); }
.scroll-cue span { width: 5px; height: 9px; margin-top: 8px; border-radius: 999px; background: var(--purple); animation: scrollCue 1.8s ease infinite; }

.section-pad { padding: 145px max(5vw, calc((100vw - var(--max))/2)); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 68px; }
.section-heading h2, .story-intro h2 { margin: 0; font-size: clamp(3rem, 5.2vw, 5.7rem); line-height: .96; letter-spacing: -.065em; }

.highlights { background: var(--paper); }
.highlight-grid { display: grid; grid-template-columns: 1.24fr .76fr; gap: 22px; }
.feature-card { position: relative; min-height: 610px; overflow: hidden; border-radius: var(--radius-lg); }
.feature-card .card-copy { position: relative; z-index: 2; max-width: 520px; padding: 48px; }
.card-index { margin: 0 0 46px; opacity: .55; font-size: .75rem; font-weight: 800; letter-spacing: .18em; }
.feature-card h3 { margin: 0; font-size: clamp(2.4rem, 4vw, 4.3rem); line-height: .94; letter-spacing: -.06em; }
.feature-card .card-copy > p:last-child { max-width: 510px; margin: 25px 0 0; font-size: 1.05rem; line-height: 1.55; }
.card-growth { min-height: 670px; background: #dceff0; }
.card-vaccine { background: #ecdef0; }
.card-questions { grid-column: 1 / -1; min-height: 520px; background: linear-gradient(125deg, #f3e7dc, #f8efe7 54%, #e8dce9); }

.chart-visual { position: absolute; right: 5%; bottom: 2%; width: 83%; padding: 35px 32px 20px; border: 1px solid rgba(255,255,255,.7); border-radius: 32px 32px 0 0; background: rgba(255,255,255,.62); box-shadow: 0 25px 70px rgba(47,174,186,.14); backdrop-filter: blur(16px); }
.chart-visual svg { width: 100%; overflow: visible; }
.chart-line { fill: none; stroke: var(--purple); stroke-width: 9; stroke-linecap: round; stroke-dasharray: 900; stroke-dashoffset: 900; }
.chart-dots circle { fill: var(--paper); stroke: var(--purple); stroke-width: 7; transform-box: fill-box; transform-origin: center; transform: scale(0); }
.card-growth.is-visible .chart-line { animation: draw 1.7s ease .25s forwards; }
.card-growth.is-visible .chart-dots circle { animation: pop .45s ease forwards; }
.card-growth.is-visible .chart-dots circle:nth-child(1){animation-delay:.4s}.card-growth.is-visible .chart-dots circle:nth-child(2){animation-delay:.7s}.card-growth.is-visible .chart-dots circle:nth-child(3){animation-delay:1s}.card-growth.is-visible .chart-dots circle:nth-child(4){animation-delay:1.3s}

.dose-stack { position: absolute; right: 32px; bottom: -20px; left: 32px; display: grid; gap: 12px; }
.dose-stack > div { display: flex; align-items: center; gap: 14px; padding: 18px; border-radius: 22px; background: rgba(255,255,255,.82); box-shadow: 0 14px 40px rgba(92,54,102,.1); opacity: 0; transform: translateY(25px); }
.card-vaccine.is-visible .dose-stack > div { animation: stackIn .65s cubic-bezier(.2,.8,.2,1) forwards; }
.card-vaccine.is-visible .dose-stack > div:nth-child(2){animation-delay:.15s}.card-vaccine.is-visible .dose-stack > div:nth-child(3){animation-delay:.3s}
.dose-stack span { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: var(--purple-soft); color: var(--purple); font-weight: 900; }
.dose-stack p { margin: 0; }
.dose-stack small, .dose-stack strong { display: block; }
.dose-stack small { margin-bottom: 2px; color: var(--muted); font-size: .67rem; font-weight: 750; text-transform: uppercase; }
.dose-stack strong { font-size: .95rem; }

.question-visual { position: absolute; right: 5%; bottom: 13%; display: grid; grid-template-columns: auto minmax(260px, 460px) auto; align-items: center; gap: 24px; width: min(59%, 740px); padding: 28px 30px; border: 1px solid rgba(255,255,255,.7); border-radius: 28px; background: rgba(255,255,255,.76); box-shadow: 0 24px 60px rgba(81,53,87,.13); }
.question-mark { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--purple-soft); color: var(--purple); font-size: 1.45rem; font-weight: 800; }
.question-visual p { margin: 0; font-size: clamp(1.1rem, 2.1vw, 1.8rem); font-weight: 700; line-height: 1.2; letter-spacing: -.03em; }
.question-visual i { width: 34px; height: 34px; border: 3px solid var(--purple); border-radius: 50%; }

.story { background: linear-gradient(180deg, var(--paper), #f5eee6 30%, #f8f3eb 100%); }
.story-intro { max-width: 1000px; margin-bottom: 120px; }
.story-intro > p:last-child { margin: 28px 0 0; color: var(--muted); font-size: 1.15rem; }
.story-layout { display: grid; grid-template-columns: minmax(0, .95fr) minmax(380px, 1.05fr); gap: 8vw; }
.story-steps { padding-bottom: 18vh; }
.story-step { display: grid; align-content: center; min-height: 76vh; padding: 30px 0; opacity: .26; transform: translateX(-14px); transition: opacity .5s ease, transform .5s ease; }
.story-step.is-active { opacity: 1; transform: translateX(0); }
.step-number { margin: 0 0 24px; color: var(--purple); font-size: .76rem; font-weight: 800; letter-spacing: .18em; }
.story-step h3 { margin: 0; font-size: clamp(2.7rem, 4.6vw, 5.2rem); line-height: .95; letter-spacing: -.06em; }
.story-step > p:not(.step-number) { max-width: 590px; margin: 24px 0 0; color: #5e5863; font-size: 1.15rem; line-height: 1.6; }
.story-step ul { margin: 25px 0 0; padding: 0; list-style: none; }
.story-step li { position: relative; margin: 11px 0; padding-left: 22px; color: #4f4953; font-size: .92rem; }
.story-step li::before { content: ""; position: absolute; top: .54em; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
.story-device-wrap { position: sticky; top: 12vh; align-self: start; display: grid; place-items: center; height: 76vh; min-height: 650px; }
.story-glow { position: absolute; width: min(39vw, 560px); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(234,216,238,.94), rgba(215,240,241,.56) 48%, transparent 70%); filter: blur(8px); transition: background .45s ease; }
.device-story { width: min(315px, 33vw); aspect-ratio: 1206 / 2622; transform: rotate(3deg); transition: transform .45s ease; }
.device-story:hover { transform: rotate(0deg) translateY(-8px); }
.device-story img { transition: opacity .22s ease, transform .4s ease; }
.device-story img.is-changing { opacity: 0; transform: scale(.985); }
.screen-label { position: absolute; right: 6%; bottom: 8%; display: flex; align-items: center; gap: 10px; padding: 12px 16px; border: 1px solid rgba(255,255,255,.8); border-radius: 999px; background: rgba(255,255,255,.72); box-shadow: 0 14px 35px rgba(64,38,72,.11); backdrop-filter: blur(18px); font-size: .82rem; }
.screen-label span { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 5px rgba(47,174,186,.14); }

.privacy { position: relative; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 6vw; min-height: 100svh; padding: 130px max(5vw, calc((100vw - var(--max))/2)); overflow: hidden; color: white; background: #17111a; isolation: isolate; }
.privacy::before { content: ""; position: absolute; z-index: -1; inset: 0; background: radial-gradient(circle at 78% 45%, rgba(159,77,174,.22), transparent 29%), radial-gradient(circle at 18% 80%, rgba(47,174,186,.14), transparent 28%); }
.privacy-stars { position: absolute; z-index: -1; inset: 0; opacity: .35; background-image: radial-gradient(circle, rgba(255,255,255,.55) 1px, transparent 1.5px); background-size: 38px 38px; mask-image: linear-gradient(90deg, transparent, black 48%, black); }
.eyebrow-light { color: #dcaee5; }
.privacy-copy { max-width: 600px; }
.privacy h2 { margin: 0; font-size: clamp(4rem, 7vw, 8rem); line-height: .85; letter-spacing: -.075em; }
.privacy h2 span { color: #d99ee4; }
.privacy-copy > p:not(.eyebrow) { max-width: 560px; margin: 34px 0 0; color: #bdb4c1; font-size: 1.15rem; line-height: 1.65; }
.text-link { display: inline-flex; gap: 9px; margin-top: 27px; padding-bottom: 5px; border-bottom: 1px solid rgba(255,255,255,.35); color: white; font-size: .94rem; font-weight: 690; }
.privacy-orbit { position: relative; width: min(46vw, 650px); aspect-ratio: 1; margin-inline: auto; }
.orbit-ring { position: absolute; inset: 50% auto auto 50%; border: 1px solid rgba(255,255,255,.17); border-radius: 50%; transform: translate(-50%,-50%); }
.ring-one { width: 80%; height: 80%; animation: orbitSpin 24s linear infinite; }
.ring-two { width: 58%; height: 58%; border-color: rgba(217,158,228,.32); animation: orbitSpin 18s linear reverse infinite; }
.orbit-core { position: absolute; top: 50%; left: 50%; display: grid; place-items: center; width: 210px; height: 210px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; background: rgba(255,255,255,.08); box-shadow: inset 0 0 50px rgba(255,255,255,.04), 0 0 90px rgba(159,77,174,.18); backdrop-filter: blur(24px); transform: translate(-50%,-50%); }
.orbit-core img { width: 78px; border-radius: 22px; box-shadow: 0 16px 40px rgba(0,0,0,.25); }
.orbit-core > span { position: absolute; top: 26px; right: 31px; color: #d99ee4; font-size: 1.5rem; }
.orbit-core strong { margin-top: -18px; font-size: .83rem; }
.orbit-tag { position: absolute; padding: 12px 16px; border: 1px solid rgba(255,255,255,.14); border-radius: 999px; background: rgba(255,255,255,.08); color: #ddd4e0; font-size: .78rem; font-weight: 650; backdrop-filter: blur(16px); animation: float 5s ease-in-out infinite; }
.tag-one { top: 17%; left: 7%; }
.tag-two { top: 31%; right: 0; animation-delay: .7s; }
.tag-three { right: 13%; bottom: 14%; animation-delay: 1.2s; }

.detail { background: var(--paper); }
.screen-tabs { display: flex; gap: 7px; width: max-content; max-width: 100%; margin: 0 auto 42px; padding: 6px; overflow-x: auto; border: 1px solid var(--line); border-radius: 999px; background: #f6f2ed; scrollbar-width: none; }
.screen-tabs::-webkit-scrollbar { display: none; }
.screen-tabs button { padding: 12px 18px; border: 0; border-radius: 999px; background: transparent; color: #77717a; cursor: pointer; font-size: .84rem; font-weight: 700; white-space: nowrap; transition: background .25s ease, color .25s ease, box-shadow .25s ease; }
.screen-tabs button[aria-selected="true"] { background: var(--ink); color: white; box-shadow: 0 8px 18px rgba(33,29,37,.16); }
.gallery-stage { position: relative; display: grid; grid-template-columns: .72fr 1.28fr; align-items: center; min-height: 720px; overflow: hidden; border-radius: var(--radius-lg); background: linear-gradient(135deg, #f0e2f2, #e7f3f2 52%, #f9ebdd); }
.gallery-copy { position: relative; z-index: 2; max-width: 470px; padding: 56px; }
.gallery-copy > p:first-child { margin: 0 0 20px; color: var(--purple); font-size: .74rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.gallery-copy h3 { margin: 0; font-size: clamp(2.5rem, 4.4vw, 5rem); line-height: .94; letter-spacing: -.06em; }
.gallery-copy > p:last-child { margin: 25px 0 0; color: #625b67; font-size: 1.05rem; line-height: 1.6; }
.gallery-device-shell { position: relative; display: grid; place-items: end center; align-self: stretch; min-height: 720px; padding-top: 65px; overflow: hidden; }
.gallery-aura { position: absolute; top: 18%; left: 50%; width: 580px; height: 580px; border-radius: 50%; background: rgba(255,255,255,.43); box-shadow: inset 0 0 0 60px rgba(255,255,255,.12), inset 0 0 0 120px rgba(255,255,255,.08); transform: translateX(-50%); }
.device-gallery { width: 340px; height: 740px; margin-bottom: -125px; transform: rotate(-3deg); transition: transform .45s ease; }
.device-gallery:hover { transform: rotate(0deg) translateY(-8px); }
.device-gallery img { transition: opacity .2s ease, transform .45s ease; }
.device-gallery img.is-changing { opacity: 0; transform: scale(.985); }
.mini-screens { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 80px; }
.mini-screens figure { margin: 0; overflow: hidden; border-radius: 32px; background: #f5efe7; }
.mini-screens img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: top; transition: transform .6s cubic-bezier(.2,.8,.2,1); }
.mini-screens figure:hover img { transform: scale(1.035); }
.mini-screens figcaption { padding: 20px 22px 23px; font-size: .9rem; font-weight: 700; }

.closing { position: relative; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 6vw; min-height: 820px; padding: 120px max(5vw, calc((100vw - var(--max))/2)); overflow: hidden; background: linear-gradient(138deg, #efe1f1 0%, #fff9f1 45%, #dff1f0 100%); }
.closing-glow { position: absolute; top: 50%; left: 24%; width: 44vw; height: 44vw; border-radius: 50%; background: rgba(255,255,255,.68); filter: blur(2px); transform: translate(-50%,-50%); }
.closing-icon { position: relative; z-index: 1; width: min(520px, 44vw); margin-inline: auto; border-radius: 34%; box-shadow: 0 40px 90px rgba(81,45,91,.2); transform: rotate(-5deg); }
.closing-copy { position: relative; z-index: 1; max-width: 640px; }
.closing h2 { margin: 0; font-size: clamp(3.2rem, 5.5vw, 6rem); line-height: .93; letter-spacing: -.068em; }
.closing-copy > p:not(.eyebrow) { margin: 28px 0; color: #655f68; font-size: 1.08rem; line-height: 1.55; }

footer { display: grid; grid-template-columns: 1fr auto; gap: 35px 40px; padding: 64px max(5vw, calc((100vw - var(--max))/2)) 42px; color: #a49ca7; background: #171419; font-size: .78rem; }
.footer-brand { display: flex; align-items: center; gap: 12px; color: white; }
.footer-brand img { border-radius: 12px; }
.footer-brand strong, .footer-brand span { display: block; }
.footer-brand strong { font-size: .92rem; }
.footer-brand span { margin-top: 3px; color: #8e8791; font-size: .7rem; }
.footer-links { display: flex; align-items: center; gap: 24px; color: #d9d3db; }
.footer-links a:hover, .footer-links a:focus-visible { color: white; }
.legal { max-width: 900px; margin: 0; line-height: 1.6; }
.copyright { justify-self: end; margin: 0; }

.reveal { opacity: 0; transform: translateY(40px); transition: opacity .85s ease, transform .85s cubic-bezier(.2,.8,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@keyframes heroIn { to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0%,100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-13px) rotate(1deg); } }
@keyframes pulse { 0%,100% { transform: translate(-50%,-50%) scale(.96); opacity: .55; } 50% { transform: translate(-50%,-50%) scale(1.04); opacity: 1; } }
@keyframes scrollCue { 0% { transform: translateY(0); opacity: 1; } 65% { transform: translateY(20px); opacity: 0; } 100% { transform: translateY(0); opacity: 0; } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes pop { 0% { transform: scale(0); } 75% { transform: scale(1.25); } 100% { transform: scale(1); } }
@keyframes stackIn { to { opacity: 1; transform: translateY(0); } }
@keyframes orbitSpin { to { transform: translate(-50%,-50%) rotate(360deg); } }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr .82fr; }
  .hero h1 { font-size: clamp(3.4rem, 7.5vw, 6rem); }
  .float-chip { display: none; }
  .highlight-grid { grid-template-columns: 1fr 1fr; }
  .card-growth { grid-column: 1 / -1; }
  .card-questions { min-height: 570px; }
  .question-visual { width: 72%; }
  .privacy { grid-template-columns: 1fr 1fr; }
  .orbit-core { width: 175px; height: 175px; }
}

@media (max-width: 780px) {
  .site-header { grid-template-columns: 1fr auto; top: 10px; width: calc(100% - 20px); border-radius: 19px; }
  .site-header nav { display: none; }
  .site-header.is-scrolled { width: calc(100% - 20px); }
  .brand span { font-size: .92rem; }
  .header-cta { padding: 11px 14px; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 126px 24px 90px; }
  .hero h1 { font-size: clamp(3.35rem, 15vw, 5.6rem); }
  .hero-intro { max-width: 510px; font-size: 1.08rem; }
  .hero-stage { height: 620px; min-height: 0; margin-top: 28px; }
  .device-hero { width: 270px; }
  .app-icon-float { top: 5%; right: 2%; width: 92px; border-radius: 25px; }
  .app-icon-float img { border-radius: 19px; }
  .orb-one { left: auto; right: 6%; bottom: 6%; }
  .scroll-cue { display: none; }
  .section-pad { padding: 98px 22px; }
  .section-heading { display: block; margin-bottom: 46px; }
  .section-heading h2, .story-intro h2 { font-size: clamp(3rem, 12vw, 4.7rem); }
  .highlight-grid { grid-template-columns: 1fr; }
  .feature-card, .card-growth, .card-vaccine, .card-questions { grid-column: auto; min-height: 580px; }
  .feature-card .card-copy { padding: 34px 30px; }
  .card-index { margin-bottom: 30px; }
  .chart-visual { right: 5%; width: 90%; }
  .question-visual { right: 7%; bottom: 8%; grid-template-columns: auto 1fr; width: 86%; padding: 22px; }
  .question-visual i { grid-column: 1 / -1; justify-self: end; }
  .story-intro { margin-bottom: 35px; }
  .story-layout { grid-template-columns: 1fr; }
  .story-device-wrap { top: 90px; z-index: 2; height: 58vh; min-height: 490px; margin-bottom: 30px; grid-row: 1; }
  .story-steps { grid-row: 2; padding-bottom: 0; }
  .story-step { min-height: 72vh; padding: 60px 0; }
  .device-story { width: 230px; }
  .screen-label { right: 5%; bottom: 4%; }
  .privacy { grid-template-columns: 1fr; gap: 65px; padding: 100px 24px; }
  .privacy-orbit { width: min(92vw, 560px); }
  .gallery-stage { grid-template-columns: 1fr; min-height: 970px; }
  .gallery-copy { padding: 42px 30px 0; }
  .gallery-device-shell { min-height: 660px; }
  .device-gallery { width: 285px; height: 620px; margin-bottom: -110px; }
  .mini-screens { grid-template-columns: 1fr; gap: 16px; margin-top: 50px; }
  .mini-screens img { aspect-ratio: 1 / 1.1; }
  .closing { grid-template-columns: 1fr; min-height: auto; padding: 100px 24px; }
  .closing-icon { width: min(74vw, 390px); }
  .closing-copy { text-align: center; }
  .closing-copy .eyebrow { text-align: center; }
  footer { grid-template-columns: 1fr; gap: 28px; padding: 52px 24px 38px; }
  .footer-links { flex-wrap: wrap; }
  .copyright { justify-self: start; }
}

@media (max-width: 430px) {
  .hero-actions .button { width: 100%; }
  .trust-list { gap: 11px 16px; }
  .hero-stage { height: 560px; }
  .device-hero { width: 240px; }
  .app-icon-float { width: 76px; }
  .feature-card h3 { font-size: 2.8rem; }
  .privacy h2 { font-size: 4rem; }
  .orbit-core { width: 150px; height: 150px; }
  .orbit-core img { width: 64px; }
  .orbit-tag { font-size: .68rem; }
  .screen-tabs { margin-inline: 0; }
}

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