/* Cardivo — landing v4 */
:root {
  --bg: #07080b;
  --bg-2: #0d0f14;
  --surface: #12151c;
  --surface-2: #181c25;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --ink: #f4f6fa;
  --ink-2: #b6bdca;
  --ink-3: #7c8595;
  --red: #ff4b3e;
  --red-2: #ff7a5c;
  --red-glow: rgba(255, 75, 62, 0.35);
  --mint: #5ef0d4;
  --mint-2: #2fd3b4;
  --blue: #4fa8ff;
  --amber: #ffad3b;
  --violet: #8b6cff;
  --paper: #f3f5f8;
  --paper-ink: #0b0d12;
  --paper-ink-2: #545c6b;
  --radius: 28px;
  --inner: min(1200px, calc(100% - 40px));
  --display: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --text: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "Instrument Serif", "Times New Roman", serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--text);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); margin: 0; letter-spacing: -0.035em; line-height: 1.02; font-weight: 700; }
p { margin: 0; }
em.serif, .serif { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em; }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: #fff; color: #000; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 12px; }

.wrap { width: var(--inner); margin: 0 auto; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 8, 11, 0.72);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-color: var(--line);
}
.nav-inner { width: var(--inner); margin: 0 auto; height: 68px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 19px; letter-spacing: -0.02em; text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a { text-decoration: none; color: var(--ink-2); font-size: 14.5px; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  text-decoration: none; font-size: 14px; font-weight: 600;
  background: var(--ink); color: var(--bg);
  padding: 9px 16px; border-radius: 999px; transition: transform .2s, background .2s;
}
.nav-cta:hover { transform: translateY(-1px); background: #fff; }

/* ---------- Buttons ---------- */
.appstore {
  display: inline-flex; align-items: center; gap: 12px;
  background: #000; color: #fff; text-decoration: none;
  border: 1px solid rgba(255,255,255,.28); border-radius: 14px;
  padding: 10px 20px 10px 16px; min-height: 58px;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s, border-color .25s;
}
.appstore:hover { transform: translateY(-2px); border-color: rgba(255,255,255,.5); box-shadow: 0 14px 40px -12px var(--red-glow); }
.appstore svg { width: 26px; height: 26px; flex: none; }
.appstore span { display: flex; flex-direction: column; line-height: 1.1; }
.appstore small { font-size: 11px; font-weight: 500; opacity: .85; letter-spacing: .01em; }
.appstore b { font-family: var(--display); font-size: 21px; font-weight: 600; letter-spacing: -0.02em; }
.ghost { color: var(--ink-2); text-decoration: none; font-weight: 500; font-size: 15.5px; display: inline-flex; gap: 8px; align-items: center; transition: color .2s; }
.ghost:hover { color: var(--ink); }
.ghost i { font-style: normal; transition: transform .2s; }
.ghost:hover i { transform: translateX(3px); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; padding: 140px 0 80px; overflow: hidden; isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(900px 600px at 78% 42%, rgba(255, 75, 62, 0.22), transparent 60%),
    radial-gradient(700px 500px at 10% 0%, rgba(94, 240, 212, 0.10), transparent 60%),
    var(--bg);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
}
.hero-grid { width: var(--inner); margin: 0 auto; display: grid; grid-template-columns: 1.08fr .92fr; gap: 40px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2);
  padding: 7px 14px 7px 10px; border: 1px solid var(--line-2); border-radius: 999px; background: rgba(255,255,255,.03);
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 0 var(--red-glow); animation: ping 1.66s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(255,75,62,.6); } 70% { box-shadow: 0 0 0 10px rgba(255,75,62,0); } 100% { box-shadow: 0 0 0 0 rgba(255,75,62,0); } }
.hero h1 { font-size: clamp(52px, 8.2vw, 112px); margin: 26px 0 26px; letter-spacing: -0.05em; line-height: .94; }
.hero h1 .serif { color: var(--red); padding-right: .04em; }
.hero h1 .muted { color: var(--ink-3); }
.hero .lede { font-size: clamp(18px, 1.6vw, 21px); color: var(--ink-2); max-width: 34ch; line-height: 1.5; }
.hero .lede strong { color: var(--ink); font-weight: 600; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 22px 28px; margin-top: 38px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 44px; color: var(--ink-3); font-size: 14px; font-weight: 500; }
.hero-proof span { display: inline-flex; align-items: center; gap: 8px; }
.hero-proof svg { width: 16px; height: 16px; color: var(--mint); }

/* Phone */
.stage { position: relative; height: 680px; display: grid; place-items: center; }
.phone {
  position: relative; width: 318px; height: 660px; border-radius: 54px; padding: 11px;
  background: linear-gradient(145deg, #3a3d45, #15171c 40%, #2a2d34);
  box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 60px 120px -30px rgba(0,0,0,.9), 0 30px 80px -20px var(--red-glow);
  z-index: 2;
}
.screen { position: relative; width: 100%; height: 100%; border-radius: 44px; overflow: hidden; background: radial-gradient(120% 70% at 50% 0%, #4a1f1e 0%, #1a0d0e 45%, #050507 80%); }
.island { position: absolute; top: 11px; left: 50%; transform: translateX(-50%); width: 104px; height: 30px; border-radius: 20px; background: #000; z-index: 3; }
.status { display: flex; justify-content: space-between; padding: 17px 28px 0 32px; font-size: 14px; font-weight: 600; color: #fff; }
.status i { font-style: normal; letter-spacing: 2px; opacity: .8; }
.m-bpm { display: flex; align-items: baseline; justify-content: center; gap: 8px; margin-top: 46px; font-family: var(--display); }
.m-bpm svg { width: 22px; height: 22px; color: var(--red); align-self: center; animation: beat 0.83s infinite; }
@keyframes beat { 0%, 100% { transform: scale(1); } 15% { transform: scale(1.22); } 30% { transform: scale(.96); } 45% { transform: scale(1.08); } }
.m-bpm b { font-size: 44px; font-weight: 700; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.m-bpm small { font-size: 17px; color: var(--ink-3); font-weight: 500; }
.ring { position: relative; width: 214px; height: 214px; margin: 34px auto 0; }
.ring svg { position: absolute; inset: 0; transform: rotate(-90deg); }
.ring .track { stroke: rgba(255,255,255,.08); }
.ring .prog { stroke: url(#ringGrad); stroke-linecap: round; transition: stroke-dashoffset .2s linear; }
.ring-core { position: absolute; inset: 26px; border-radius: 50%; background: radial-gradient(circle at 50% 40%, #3b1615, #120709 70%); display: grid; place-items: center; box-shadow: inset 0 0 0 1px rgba(255,255,255,.05), 0 0 50px rgba(255,75,62,.25); }
.ring-core svg { position: static; transform: none; width: 92px; height: 92px; color: #ff2e22; filter: drop-shadow(0 0 12px rgba(255,46,34,.6)); }
.m-pct { text-align: center; margin-top: 18px; font-family: var(--display); font-size: 32px; font-weight: 700; font-variant-numeric: tabular-nums; }
.rr { display: flex; justify-content: space-between; padding: 0 20px; margin-top: 30px; font-size: 11.5px; color: #6fb6e8; font-variant-numeric: tabular-nums; font-weight: 500; }
.wave { position: absolute; left: 0; right: 0; bottom: 0; height: 120px; overflow: hidden; }
.wave svg { position: absolute; left: 0; bottom: 0; height: 120px; width: 200%; animation: scroll 6.64s linear infinite; }
@keyframes scroll { to { transform: translateX(-50%); } }

.float {
  position: absolute; z-index: 3; background: rgba(22, 25, 33, 0.72); border: 1px solid var(--line-2);
  backdrop-filter: blur(20px) saturate(150%); -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-radius: 22px; padding: 16px 18px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.7);
  animation: bob 7s ease-in-out infinite;
}
.float .k { font-size: 12.5px; color: var(--ink-3); font-weight: 600; }
.float .v { font-family: var(--display); font-size: 30px; font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; margin-top: 4px; }
.float .v small { font-size: 15px; color: var(--ink-3); font-weight: 500; margin-left: 2px; }
.float .t { font-size: 13px; font-weight: 600; margin-top: 2px; }
.f-stress { left: -10px; top: 92px; width: 156px; }
.f-stress .t { color: var(--blue); }
.f-energy { right: -16px; top: 210px; width: 156px; animation-delay: -2.4s; }
.f-energy .t { color: var(--amber); }
.f-hrv { left: 0; bottom: 92px; width: 200px; animation-delay: -4.6s; }
.f-hrv .t { color: var(--mint); }
.f-hrv .bar { margin-top: 10px; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ---------- Marquee ---------- */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow: hidden; padding: 22px 0; background: var(--bg-2); }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: marq 38s linear infinite; }
.marquee span { font-family: var(--display); font-size: 22px; font-weight: 600; color: var(--ink-3); letter-spacing: -0.02em; white-space: nowrap; display: inline-flex; align-items: center; gap: 56px; }
.marquee span::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--red); opacity: .7; }
@keyframes marq { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
section { position: relative; }
.sec { padding: clamp(84px, 10vw, 136px) 0; }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--red); margin-bottom: 22px; display: flex; align-items: center; gap: 12px; }
.kicker::before { content: ""; width: 26px; height: 1.5px; background: currentColor; }
.kicker.mint { color: var(--mint); }
.kicker.blue { color: var(--blue); }
.kicker.violet { color: #a996ff; }
.h2 { font-size: clamp(44px, 6.4vw, 88px); letter-spacing: -0.045em; line-height: .98; }
.h2 .serif { color: var(--ink-2); }
.sub { font-size: clamp(18px, 1.5vw, 20px); color: var(--ink-2); max-width: 52ch; margin-top: 26px; line-height: 1.55; }
.head-split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: end; margin-bottom: 72px; }
.head-split .sub { margin-top: 0; }

/* Science */
.science { background: var(--bg); overflow: hidden; }
.science-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.heart-orb { position: relative; aspect-ratio: 1; max-width: 560px; width: 100%; margin: 0 auto; }
.heart-orb img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; border-radius: 50%; mask-image: radial-gradient(circle, #000 52%, transparent 70%); -webkit-mask-image: radial-gradient(circle, #000 52%, transparent 70%); animation: heartpulse 0.83s infinite; }
@keyframes heartpulse { 0%, 100% { transform: scale(1); } 14% { transform: scale(1.035); } 28% { transform: scale(.995); } 42% { transform: scale(1.015); } }
.heart-orb .ripple { position: absolute; inset: 14%; border-radius: 50%; border: 1px solid rgba(255,75,62,.45); animation: ripple 2.5s cubic-bezier(.2,.6,.3,1) infinite; }
.heart-orb .ripple:nth-child(2) { animation-delay: .83s; }
.heart-orb .ripple:nth-child(3) { animation-delay: 1.66s; }
@keyframes ripple { from { transform: scale(.8); opacity: .9; } to { transform: scale(1.45); opacity: 0; } }
.steps { list-style: none; padding: 0; margin: 52px 0 0; display: grid; gap: 0; counter-reset: s; }
.steps li { display: grid; grid-template-columns: 64px 1fr; gap: 6px 18px; padding: 26px 0; border-top: 1px solid var(--line); }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps .n { font-family: var(--display); font-size: 15px; font-weight: 600; color: var(--red); padding-top: 5px; font-variant-numeric: tabular-nums; }
.steps h3 { font-size: 24px; letter-spacing: -0.025em; }
.steps p { grid-column: 2; color: var(--ink-2); font-size: 16px; }

/* Insights bento */
.insights { background: linear-gradient(180deg, var(--bg) 0%, #0a1513 50%, var(--bg) 100%); }
.insights::before { content: ""; position: absolute; inset: 20% 10% auto; height: 60%; background: radial-gradient(closest-side, rgba(94,240,212,.12), transparent); pointer-events: none; }
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; position: relative; }
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  transition: border-color .3s, transform .4s cubic-bezier(.2,.8,.2,1);
}
.card:hover { border-color: var(--line-2); transform: translateY(-4px); }
.card-h { display: flex; align-items: center; gap: 10px; color: var(--ink-2); font-weight: 600; font-size: 15px; }
.card-h svg { width: 20px; height: 20px; }
.card-h .info { margin-left: auto; width: 20px; height: 20px; border-radius: 50%; border: 1.5px solid var(--ink-3); display: grid; place-items: center; font-size: 11px; color: var(--ink-3); font-weight: 700; font-family: var(--serif); font-style: italic; }
.metric { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-top: 22px; }
.metric b { font-family: var(--display); font-size: 58px; font-weight: 700; letter-spacing: -0.045em; line-height: 1; }
.metric b small { font-size: 20px; color: var(--ink-3); font-weight: 500; letter-spacing: 0; margin-left: 4px; }
.tag { font-size: 14px; font-weight: 600; }
.tag.ok { color: var(--mint); }
.tag.hi { color: var(--red-2); }
.tag.lo { color: var(--red-2); }
.tag.strong { color: #6cc4ff; }
.bar { position: relative; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; margin-top: 24px; }
.bar i { height: 8px; border-radius: 99px; background: rgba(255,255,255,.08); }
.bar i.on-r { background: var(--red-2); }
.bar i.on-g { background: var(--mint-2); }
.bar i.on-b { background: #4aa8e8; }
.bar .pin { position: absolute; top: -5px; width: 4px; height: 18px; border-radius: 4px; background: #fff; box-shadow: 0 0 0 3px rgba(0,0,0,.5); transform: translateX(-50%); }
.bar-labels { position: relative; height: 18px; margin-top: 10px; font-size: 12.5px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.bar-labels span { position: absolute; top: 0; transform: translateX(-50%); }
.explain { margin-top: 22px; color: var(--ink-2); font-size: 15.5px; line-height: 1.55; }
.c-amo { grid-column: span 4; }
.c-hrv { grid-column: span 2; }
.c-rr, .c-rmssd, .c-sdnn { grid-column: span 2; }
.c-amo .metric b { font-size: 84px; }
.c-amo { background: radial-gradient(80% 120% at 100% 0%, rgba(255,122,92,.12), transparent 60%), linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.015)); }
.c-hrv { background: radial-gradient(100% 100% at 0% 0%, rgba(94,240,212,.14), transparent 60%), linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.015)); display: flex; flex-direction: column; }
.c-hrv .big { font-family: var(--display); font-size: 120px; font-weight: 700; letter-spacing: -0.06em; line-height: .9; margin-top: auto; padding-top: 30px; background: linear-gradient(180deg, #fff, #8ff5e2); -webkit-background-clip: text; background-clip: text; color: transparent; }
.note { margin-top: 40px; display: flex; gap: 14px; align-items: center; color: var(--ink-3); font-size: 15px; }
.note b { color: var(--ink); font-weight: 600; }

/* Score */
.score { background: var(--bg); }
.score-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 72px; align-items: center; }
.dial-card { position: relative; border-radius: 36px; padding: 36px; background: linear-gradient(160deg, #141a22, #0b0e13); border: 1px solid var(--line); overflow: hidden; }
.dial-card::before { content: ""; position: absolute; width: 420px; height: 420px; right: -140px; top: -160px; background: radial-gradient(closest-side, rgba(74,168,232,.25), transparent); }
.dial { position: relative; width: min(340px, 100%); aspect-ratio: 1; margin: 6px auto 0; }
.dial svg { width: 100%; height: 100%; transform: rotate(135deg); }
.dial .bg { stroke: rgba(255,255,255,.07); }
.dial .fg { stroke: url(#dialGrad); stroke-linecap: round; transition: stroke-dashoffset 1.8s cubic-bezier(.2,.8,.2,1); }
.dial-val { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.dial-val b { font-family: var(--display); font-size: 104px; font-weight: 700; letter-spacing: -0.06em; line-height: .9; font-variant-numeric: tabular-nums; }
.dial-val span { color: var(--ink-3); font-size: 16px; margin-top: 8px; font-weight: 500; }
.dial-val .pill { margin: 14px auto 0; background: rgba(108,196,255,.12); color: #6cc4ff; font-weight: 600; font-size: 14px; padding: 6px 14px; border-radius: 99px; }
.mini-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 18px; position: relative; }
.mini { background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 18px; padding: 14px 16px; }
.mini .k { font-size: 12.5px; color: var(--ink-3); font-weight: 600; }
.mini .v { font-family: var(--display); font-size: 26px; font-weight: 700; letter-spacing: -0.03em; margin-top: 2px; }
.mini .v small { font-size: 13px; color: var(--ink-3); font-weight: 500; }
.mini .t { font-size: 12.5px; font-weight: 600; }
.score-list { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 14px; }
.score-list li { display: flex; gap: 14px; align-items: flex-start; color: var(--ink-2); font-size: 16.5px; }
.score-list li::before { content: ""; flex: none; width: 22px; height: 22px; margin-top: 2px; border-radius: 50%; background: rgba(94,240,212,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235ef0d4' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/12px no-repeat; }
.score-list b { color: var(--ink); font-weight: 600; }

/* Track */
.track-sec { background: var(--bg-2); border-top: 1px solid var(--line); }
.vitals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.vital { padding: 30px; }
.vital .metric b { font-size: 50px; }
.vital .date { color: var(--ink-3); font-size: 13.5px; margin-top: 6px; }
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; margin-top: 30px; height: 120px; align-items: end; }
.week div { display: flex; flex-direction: column; align-items: center; gap: 10px; height: 100%; }
.week i { flex: 1; width: 100%; max-width: 30px; border-radius: 99px; background: rgba(255,255,255,.06); position: relative; overflow: hidden; }
.week i::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: var(--h); border-radius: 99px; background: var(--c); transform-origin: bottom; transform: scaleY(0); transition: transform 1.1s cubic-bezier(.2,.8,.2,1); transition-delay: calc(var(--d) * 70ms); }
.in .week i::after { transform: scaleY(1); }
.week span { font-size: 12px; color: var(--ink-3); font-weight: 600; }
.week div:last-child span { color: var(--c); }
.v-o2 { --c: #5aa2ff; }
.v-bp { --c: #ff7a6e; }
.v-gl { --c: #4fc3e8; }
.v-o2 .card-h svg { color: #5aa2ff; }
.v-bp .card-h svg { color: #ff5a4e; }
.v-gl .card-h svg { color: #4fc3e8; }

/* Mind */
.mind { background: var(--bg); }
.mind-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.test { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 440px; display: flex; flex-direction: column; justify-content: flex-end; padding: 28px; isolation: isolate; transition: transform .4s cubic-bezier(.2,.8,.2,1); }
.test:hover { transform: translateY(-4px); }
.test img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; z-index: -2; transition: transform 1.2s cubic-bezier(.2,.8,.2,1); }
.test:hover img { transform: scale(1.04); }
.test::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, transparent 35%, rgba(0,0,0,.78)); }
.test .badge { position: absolute; top: 22px; left: 22px; font-size: 12.5px; font-weight: 700; letter-spacing: .04em; background: rgba(0,0,0,.4); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); padding: 6px 12px; border-radius: 99px; border: 1px solid rgba(255,255,255,.18); }
.test h3 { font-size: 30px; }
.test p { color: rgba(255,255,255,.78); margin-top: 8px; font-size: 15.5px; }
.test.focus { background: radial-gradient(120% 80% at 50% 0%, #2a2155 0%, #110e22 60%, #0a0912 100%); }
.focus-art { position: absolute; inset: 0; z-index: -2; display: grid; place-items: center; padding-bottom: 120px; }
.focus-art svg { width: 70%; max-width: 260px; }

/* Doctor (light) */
.doctor { overflow: hidden; background: var(--paper); color: var(--paper-ink); border-radius: 48px 48px 0 0; margin-top: -48px; z-index: 2; }
.doctor .kicker { color: #e3392d; }
.doctor .h2 .serif { color: #7a8394; }
.doctor .sub { color: var(--paper-ink-2); }
.doc-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 72px; align-items: center; }
.pdf { position: relative; background: #fff; border-radius: 22px; padding: 34px 34px 26px; box-shadow: 0 1px 0 rgba(0,0,0,.04), 0 40px 90px -30px rgba(20,30,50,.35); transform: rotate(-2deg); font-size: 12.5px; color: #3a4150; }
.pdf-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.pdf h4 { margin: 0; font-family: var(--display); font-size: 24px; letter-spacing: -0.03em; color: var(--paper-ink); }
.pdf .meta { color: #8a93a3; margin-top: 4px; }
.pdf-chip { flex: none; background: #e3392d; color: #fff; font-family: var(--display); font-weight: 800; font-size: 15px; padding: 7px 11px; border-radius: 8px; letter-spacing: .02em; }
.pdf .sumrow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 24px 0 20px; }
.pdf .sumrow div { background: #f4f6f9; border-radius: 12px; padding: 10px 12px; }
.pdf .sumrow span { display: block; font-size: 11px; color: #8a93a3; font-weight: 600; }
.pdf .sumrow b { font-family: var(--display); font-size: 18px; color: var(--paper-ink); letter-spacing: -0.02em; }
.pdf table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.pdf th { text-align: left; font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; color: #8a93a3; font-weight: 700; background: #f0f2f5; padding: 8px 10px; }
.pdf th:first-child { border-radius: 8px 0 0 8px; }
.pdf th:last-child { border-radius: 0 8px 8px 0; }
.pdf td { padding: 9px 10px; border-bottom: 1px solid #eef0f3; }
.pdf td.r, .pdf th.r { text-align: right; }
.pdf td.src { color: #9aa2b1; }
.pdf-back { position: absolute; inset: 0; background: #fff; border-radius: 22px; transform: rotate(4deg) translate(18px, 10px); box-shadow: 0 30px 60px -30px rgba(20,30,50,.3); z-index: -1; }
.pdf-wrap { position: relative; isolation: isolate; }
.perks { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 44px; }
.perk { background: #fff; border: 1px solid rgba(10,15,25,.06); border-radius: 20px; padding: 20px; display: flex; gap: 14px; align-items: flex-start; }
.perk .ic { flex: none; width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; }
.perk .ic svg { width: 22px; height: 22px; }
.perk h3 { font-size: 17px; letter-spacing: -0.015em; line-height: 1.25; }
.perk p { color: var(--paper-ink-2); font-size: 14.5px; margin-top: 3px; line-height: 1.45; }

/* Stats */
.stats { background: var(--paper); color: var(--paper-ink); padding: 0 0 clamp(96px, 12vw, 150px); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(10,15,25,.1); }
.stat { padding: 40px 24px 0 0; }
.stat b { font-family: var(--display); font-size: clamp(54px, 6vw, 84px); font-weight: 700; letter-spacing: -0.055em; line-height: 1; display: block; }
.stat b small { font-size: .45em; letter-spacing: -0.02em; color: #8a93a3; margin-left: 2px; }
.stat span { display: block; margin-top: 10px; color: var(--paper-ink-2); font-size: 15.5px; max-width: 22ch; }

/* Privacy */
.privacy { background: var(--bg); text-align: center; }
.lock { width: 76px; height: 76px; margin: 0 auto 34px; border-radius: 24px; display: grid; place-items: center; background: linear-gradient(160deg, #1d222c, #0f1218); border: 1px solid var(--line-2); box-shadow: 0 20px 50px -20px rgba(94,240,212,.35); }
.lock svg { width: 34px; height: 34px; color: var(--mint); }
.privacy .h2 { max-width: 16ch; margin: 0 auto; }
.privacy .sub { margin: 26px auto 0; }
.priv-row { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 44px; }
.priv-row span { border: 1px solid var(--line-2); border-radius: 99px; padding: 10px 18px; font-size: 14.5px; color: var(--ink-2); font-weight: 500; background: rgba(255,255,255,.02); }

/* FAQ */
.faq { background: var(--bg); border-top: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: start; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { list-style: none; cursor: pointer; padding: 26px 44px 26px 0; position: relative; font-family: var(--display); font-size: 21px; font-weight: 600; letter-spacing: -0.02em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: ""; position: absolute; right: 4px; top: 50%; width: 14px; height: 14px; margin-top: -7px; background: linear-gradient(var(--ink-2), var(--ink-2)) center/14px 2px no-repeat, linear-gradient(var(--ink-2), var(--ink-2)) center/2px 14px no-repeat; transition: transform .3s; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { color: var(--ink-2); padding: 0 40px 28px 0; font-size: 16.5px; max-width: 64ch; }
.faq-list details a { color: var(--ink); }

/* Final CTA */
.final { padding: clamp(110px, 14vw, 180px) 0; text-align: center; overflow: hidden; isolation: isolate; }
.final::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(600px 400px at 50% 100%, rgba(255,75,62,.35), transparent 70%), var(--bg); }
.final .icon { width: 96px; height: 96px; border-radius: 24px; margin: 0 auto 40px; box-shadow: 0 30px 80px -20px var(--red-glow), 0 0 0 1px rgba(255,255,255,.1); }
.final h2 { font-size: clamp(50px, 8vw, 116px); letter-spacing: -0.055em; line-height: .95; }
.final h2 .serif { color: var(--red); }
.final .sub { margin: 28px auto 44px; }
.final .wave-line { position: absolute; left: 0; right: 0; bottom: 0; height: 140px; z-index: -1; opacity: .5; overflow: hidden; }
.final .wave-line svg { width: 200%; height: 100%; animation: scroll 6.6s linear infinite; }

/* Footer */
.foot { border-top: 1px solid var(--line); padding: 56px 0 44px; color: var(--ink-3); font-size: 14px; }
.foot-top { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; align-items: center; }
.foot nav { display: flex; gap: 24px; flex-wrap: wrap; }
.foot nav a { text-decoration: none; color: var(--ink-2); }
.foot nav a:hover { color: var(--ink); }
.foot .fine { margin-top: 34px; font-size: 12.5px; line-height: 1.6; max-width: 90ch; color: #5d6574; }


/* Camera-view widget (science) */
.lens-viz { position: relative; width: 100%; max-width: 540px; margin: 0 auto; padding: 26px; border-radius: 36px; background: radial-gradient(90% 70% at 50% 35%, rgba(255,75,62,.16), transparent 70%), linear-gradient(170deg, #14171e, #0a0c10); border: 1px solid var(--line); box-shadow: 0 50px 120px -40px rgba(255,75,62,.35); overflow: hidden; }
.lv-top { display: flex; justify-content: space-between; align-items: center; }
.live { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 600; color: var(--ink-2); letter-spacing: .01em; }
.live i { width: 8px; height: 8px; border-radius: 50%; background: var(--red); animation: ping 1.66s infinite; }
.lv-bpm { font-size: 14px; color: var(--ink-3); font-weight: 500; }
.lv-bpm b { font-family: var(--display); font-size: 26px; color: var(--ink); font-weight: 700; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; margin-right: 2px; }
.lens { position: relative; width: min(330px, 78%); aspect-ratio: 1; margin: 22px auto 10px; }
.lens .ticks { position: absolute; inset: 0; width: 100%; height: 100%; stroke: rgba(255,255,255,.18); stroke-width: 1.4; animation: spin 60s linear infinite; }
.lens .sweep { position: absolute; inset: 0; width: 100%; height: 100%; animation: spin 4s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.lens-body { position: absolute; inset: 12%; border-radius: 50%; overflow: hidden;
  background: conic-gradient(from 210deg, #2b2f38, #5b606b, #23262d, #4a4f59, #2b2f38);
  padding: 7%; box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 30px 60px -20px #000, 0 0 80px rgba(255,60,40,.35); }
.lens-body::before { content: ""; position: absolute; inset: 7%; border-radius: 50%; background: #050304; box-shadow: inset 0 0 0 6px #0d0e12, inset 0 0 0 7px rgba(255,255,255,.06); }
.lens-blood { position: absolute; inset: 11%; border-radius: 50%;
  background: radial-gradient(circle at 46% 42%, #ffb199 0%, #ff5a3c 22%, #d81e14 48%, #7a0806 74%, #2a0202 100%);
  animation: perfuse .83s infinite; }
@keyframes perfuse { 0%, 100% { filter: brightness(.82) saturate(1.05); transform: scale(1); } 18% { filter: brightness(1.22) saturate(1.2); transform: scale(1.025); } 45% { filter: brightness(.95); } }
.lens-ridges { position: absolute; inset: 11%; border-radius: 50%; opacity: .1; mix-blend-mode: multiply;
  background: repeating-radial-gradient(ellipse 60% 48% at 52% 62%, transparent 0 5px, rgba(60,0,0,.9) 6px 7px, transparent 8px 12px); }
.lens-glare { position: absolute; inset: 11%; border-radius: 50%; background: radial-gradient(60% 40% at 32% 22%, rgba(255,255,255,.35), transparent 60%), radial-gradient(circle at 50% 50%, transparent 60%, rgba(0,0,0,.55)); }
.flash-dot { position: absolute; right: 6%; top: 6%; width: 22px; height: 22px; border-radius: 50%; background: radial-gradient(circle, #fff 0%, #ffe9c2 35%, rgba(255,200,120,.0) 70%); box-shadow: 0 0 30px 10px rgba(255,220,170,.35); animation: flick 3s ease-in-out infinite; }
@keyframes flick { 0%, 100% { opacity: .85; } 50% { opacity: 1; } }
.lv-wave { position: relative; height: 96px; margin: 8px -26px 0; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.lv-wave svg { position: absolute; left: 0; top: 0; width: 200%; height: 100%; animation: scroll 6.64s linear infinite; }
.lv-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.lv-stats div { background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; }
.lv-stats span { display: block; font-size: 12px; color: var(--ink-3); font-weight: 600; }
.lv-stats b { font-family: var(--display); font-size: 20px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.lv-stats b.ok { color: var(--mint); }
@media (max-width: 720px) { .lens-viz { padding: 20px; border-radius: 28px; } .lv-wave { margin: 8px -20px 0; } .lv-stats b { font-size: 17px; } .lv-stats div { padding: 10px; } }

/* Reveal */
.rv { opacity: 0; transform: translateY(28px); transition: opacity 1s cubic-bezier(.2,.8,.2,1), transform 1s cubic-bezier(.2,.8,.2,1); transition-delay: var(--rd, 0ms); }
.rv.in { opacity: 1; transform: none; }
.no-js .rv { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1060px) {
  .hero-grid, .science-grid, .score-grid, .doc-grid, .faq-grid { grid-template-columns: 1fr; gap: 56px; }
  .head-split { grid-template-columns: 1fr; gap: 0; margin-bottom: 52px; }
  .head-split .sub { margin-top: 26px; }
  .hero { padding-top: 120px; }
  .hero .lede { max-width: 46ch; }
  .stage { height: 640px; }
  .c-amo { grid-column: span 6; }
  .c-hrv { grid-column: span 6; }
  .c-rr, .c-rmssd, .c-sdnn { grid-column: span 3; }
  .c-sdnn { grid-column: span 6; }
  .vitals, .mind-grid { grid-template-columns: 1fr 1fr; }
  .vitals .v-gl, .mind-grid .focus { grid-column: span 2; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .score-grid .dial-card { order: 2; }
  .doc-grid .pdf-wrap { order: 2; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  :root { --inner: calc(100% - 32px); --radius: 24px; }
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; }
  .hero h1 { font-size: clamp(46px, 13vw, 64px); }
  .stage { height: 600px; transform: scale(.92); margin: -20px 0; }
  .float { padding: 12px 14px; border-radius: 18px; }
  .float .v { font-size: 24px; }
  .f-stress { left: -4px; top: 250px; width: 116px; }
  .f-energy { right: -4px; top: 360px; width: 116px; }
  .f-hrv { display: none; }
  .note { flex-direction: column; align-items: flex-start; gap: 4px; }
  .bento { grid-template-columns: 1fr; }
  .c-amo, .c-hrv, .c-rr, .c-rmssd, .c-sdnn { grid-column: auto; }
  .c-amo .metric b { font-size: 64px; }
  .c-hrv .big { font-size: 96px; }
  .vitals, .mind-grid { grid-template-columns: 1fr; }
  .vitals .v-gl, .mind-grid .focus { grid-column: auto; }
  .test { min-height: 380px; }
  .perks { grid-template-columns: 1fr; }
  .mini-row { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
  .mini { padding: 12px; }
  .mini .v { font-size: 21px; }
  .dial-card { padding: 24px 18px; }
  .pdf { padding: 22px 18px; transform: rotate(-1.5deg); font-size: 11.5px; }
  .pdf .hide-sm { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { padding: 30px 12px 0 0; }
  .faq-list summary { font-size: 18px; }
  .doctor { border-radius: 32px 32px 0 0; }
}
@media (max-width: 380px) {
  .stage { transform: scale(.82); margin: -50px 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; }
  .week i::after { transform: scaleY(1); }
}

.lang-switch{margin-top:14px;font-size:13px;display:flex;flex-wrap:wrap;gap:6px 6px;align-items:center;opacity:.85}
.lang-switch a{text-decoration:none}