:root {
  --ink: #f6f7ff;
  --muted: #abb2ca;
  --faint: #777f9d;
  --night: #090b14;
  --surface: rgba(24, 28, 47, .72);
  --surface-solid: #181c2f;
  --line: rgba(201, 209, 255, .16);
  --purple: #a178ff;
  --blue: #63b8ff;
  --coral: #ff9b9a;
  --mint: #75e2c0;
  --shadow: 0 24px 80px rgba(0, 0, 0, .36);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 5% 0%, rgba(99, 184, 255, .16), transparent 29rem),
    radial-gradient(circle at 96% 14%, rgba(161, 120, 255, .19), transparent 34rem),
    var(--night);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid rgba(201, 209, 255, .1);
  background: rgba(9, 11, 20, .78);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-size: 1.05rem; font-weight: 760; text-decoration: none; letter-spacing: -.02em; }
.brand img { width: 35px; height: 35px; border-radius: 10px; box-shadow: 0 8px 24px rgba(105, 108, 255, .26); }
.nav-links { display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; list-style: none; }
.nav-links a { color: var(--muted); font-size: .92rem; text-decoration: none; }
.nav-links a:hover { color: var(--ink); }
.nav-button { padding: 8px 13px; border: 1px solid rgba(161, 120, 255, .48); border-radius: 999px; color: var(--ink) !important; }
.nav-toggle { display: none; }
.lang-wrap { position: relative; margin-left: auto; }
.lang-button { display: inline-flex; align-items: center; gap: 7px; min-height: 40px; padding: 0 11px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); background: rgba(255,255,255,.035); cursor: pointer; }
.lang-button:hover { color: var(--ink); border-color: rgba(161,120,255,.48); }
.lang-menu { display: none; position: absolute; top: 48px; right: 0; min-width: 180px; padding: 8px; border: 1px solid var(--line); border-radius: 14px; background: #15192a; box-shadow: var(--shadow); }
.lang-menu.open { display: grid; }
.lang-menu a { padding: 9px 10px; border-radius: 9px; color: var(--muted); text-decoration: none; }
.lang-menu a:hover { color: var(--ink); background: rgba(255,255,255,.05); }

.hero { position: relative; overflow: hidden; padding: 92px 0 42px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(370px, 1.05fr); align-items: center; gap: 50px; }
.eyebrow { margin: 0 0 15px; color: var(--blue); font-size: .75rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 700px; margin-bottom: 22px; font-size: clamp(3rem, 6.1vw, 5.7rem); line-height: .96; letter-spacing: -.07em; }
.hero-copy { max-width: 600px; margin-bottom: 30px; color: var(--muted); font-size: clamp(1.08rem, 1.7vw, 1.28rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 19px; border: 1px solid transparent; border-radius: 14px; font-weight: 720; text-decoration: none; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #11111a; background: linear-gradient(130deg, var(--blue), var(--purple) 55%, var(--coral)); box-shadow: 0 12px 32px rgba(117, 116, 255, .2); }
.button-secondary { border-color: var(--line); color: var(--ink); background: rgba(255,255,255,.035); }
.launch-note { margin: 16px 0 0; color: var(--faint); font-size: .86rem; }

.archive-scene { position: relative; min-height: 450px; }
.orb { position: absolute; width: 320px; height: 320px; right: 5%; top: 15%; border-radius: 50%; background: radial-gradient(circle, rgba(161,120,255,.35), rgba(99,184,255,.06) 44%, transparent 69%); filter: blur(4px); }
.archive-card { position: absolute; inset: 42px 0 0 36px; display: grid; place-items: center; overflow: hidden; border: 1px solid rgba(218, 223, 255, .22); border-radius: 32px; background: linear-gradient(145deg, rgba(49, 54, 91, .8), rgba(16, 19, 34, .88)); box-shadow: var(--shadow); transform: rotate(2deg); }
.archive-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(255,255,255,.14), transparent 26%, transparent 68%, rgba(255,255,255,.07)); pointer-events: none; }
.archive-stack { position: relative; width: min(70%, 360px); aspect-ratio: 1; }
.doc { position: absolute; width: 42%; aspect-ratio: .76; border: 1px solid rgba(255,255,255,.45); border-radius: 16% 16% 12% 12%; box-shadow: inset 0 1px 0 rgba(255,255,255,.42), 0 18px 32px rgba(0,0,0,.26); }
.doc::before { content: ""; position: absolute; top: 0; right: 0; width: 31%; height: 22%; border-radius: 0 15% 0 10%; background: rgba(255,255,255,.3); clip-path: polygon(100% 0, 0 0, 100% 100%); }
.doc::after { content: ""; position: absolute; left: 21%; bottom: 23%; width: 58%; height: 8%; border-radius: 999px; background: rgba(255,255,255,.68); box-shadow: 0 19px 0 rgba(255,255,255,.42), 0 38px 0 rgba(255,255,255,.28); }
.doc-blue { left: 4%; top: 22%; background: linear-gradient(135deg, rgba(99,184,255,.98), rgba(48,111,211,.82)); transform: rotate(-17deg); }
.doc-purple { left: 30%; top: 4%; background: linear-gradient(135deg, rgba(191,155,255,.98), rgba(126,80,218,.84)); }
.doc-coral { right: 4%; top: 22%; background: linear-gradient(135deg, rgba(255,166,156,.98), rgba(218,91,91,.84)); transform: rotate(17deg); }
.archive-box { position: absolute; left: 22%; bottom: 4%; width: 56%; height: 29%; border-radius: 13% 13% 18% 18%; background: linear-gradient(135deg, #b78bff, #7744dc); box-shadow: inset 0 2px 0 rgba(255,255,255,.35), 0 20px 32px rgba(54,21,126,.38); }
.archive-box::before { content: ""; position: absolute; left: -10%; top: -21%; width: 120%; height: 23%; border-radius: 999px; background: linear-gradient(90deg, #b99cff, #9b6ff1); }
.archive-box::after { content: ""; position: absolute; left: 35%; top: 22%; width: 30%; height: 10%; border-radius: 999px; background: rgba(30, 19, 69, .72); }
.floating-tag { position: absolute; right: -2%; bottom: 4%; padding: 10px 13px; border: 1px solid rgba(255,255,255,.18); border-radius: 12px; color: var(--ink); background: rgba(22,25,43,.88); box-shadow: 0 14px 30px rgba(0,0,0,.27); font: 700 .78rem ui-monospace, SFMono-Regular, Menlo, monospace; transform: rotate(-4deg); }

.trust-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
.chip { border: 1px solid var(--line); border-radius: 999px; padding: 7px 10px; color: var(--muted); background: rgba(255,255,255,.025); font-size: .82rem; }
.section { padding: 96px 0; }
.section-alt { border-block: 1px solid rgba(201,209,255,.1); background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,0)); }
.section-header { max-width: 680px; margin: 0 auto 44px; text-align: center; }
.section-header h2 { margin-bottom: 14px; font-size: clamp(2.1rem, 4vw, 3.55rem); letter-spacing: -.055em; line-height: 1; }
.section-header p { margin: 0; color: var(--muted); font-size: 1.08rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.feature-card { min-height: 215px; padding: 26px; border: 1px solid var(--line); border-radius: 21px; background: var(--surface); box-shadow: 0 16px 38px rgba(0,0,0,.12); }
.feature-symbol { display: grid; min-width: 42px; width: fit-content; height: 42px; place-items: center; margin-bottom: 20px; padding: 0 11px; border-radius: 13px; color: var(--ink); background: linear-gradient(135deg, rgba(99,184,255,.28), rgba(161,120,255,.28)); font-size: .7rem; font-weight: 800; letter-spacing: .08em; }
.feature-card:nth-child(2) .feature-symbol { background: linear-gradient(135deg, rgba(161,120,255,.35), rgba(255,155,154,.25)); }
.feature-card:nth-child(3) .feature-symbol { background: linear-gradient(135deg, rgba(117,226,192,.3), rgba(99,184,255,.22)); }
.feature-card h3 { margin-bottom: 7px; font-size: 1.1rem; letter-spacing: -.02em; }
.feature-card p { margin: 0; color: var(--muted); font-size: .94rem; }
.feature-card-safety { position: relative; overflow: hidden; border-color: rgba(117,226,192,.28); background: linear-gradient(145deg, rgba(24,45,50,.78), rgba(24,28,47,.76)); }
.feature-card-safety::after { content: ""; position: absolute; width: 170px; height: 170px; right: -70px; bottom: -95px; border-radius: 50%; background: radial-gradient(circle, rgba(117,226,192,.2), transparent 68%); }
.safety-receipt { display: flex; gap: 7px; margin-top: 18px; }
.safety-receipt span { position: relative; z-index: 1; padding: 5px 8px; border: 1px solid rgba(117,226,192,.28); border-radius: 999px; color: #bff5e3; font-size: .64rem; font-weight: 800; letter-spacing: .09em; }

.screens { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center; }
.screens-copy h2 { margin-bottom: 15px; font-size: clamp(2.1rem, 3.4vw, 3.2rem); letter-spacing: -.055em; line-height: 1.04; }
.screens-copy p { color: var(--muted); font-size: 1.06rem; }
.checklist { margin: 24px 0 0; padding: 0; list-style: none; }
.checklist li { position: relative; padding: 10px 0 10px 30px; border-bottom: 1px solid rgba(201,209,255,.1); color: var(--muted); }
.checklist li::before { content: ""; position: absolute; left: 2px; top: 17px; width: 12px; height: 7px; border-left: 2px solid var(--mint); border-bottom: 2px solid var(--mint); transform: rotate(-45deg); }
.screen-frame { overflow: hidden; border: 1px solid rgba(218,223,255,.25); border-radius: 24px; background: #151827; box-shadow: var(--shadow); }
.screen-frame img { display: block; width: 100%; height: auto; }
.screen-stack { display: grid; gap: 16px; }
.screen-stack .screen-frame:last-child { width: 86%; margin-left: auto; }

.platforms { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.platform-card { padding: 32px; border: 1px solid var(--line); border-radius: 23px; background: rgba(255,255,255,.025); }
.platform-card .platform-kicker { margin-bottom: 12px; color: var(--blue); font-size: .76rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.platform-card h3 { margin-bottom: 12px; font-size: 1.55rem; letter-spacing: -.04em; }
.platform-card p { margin-bottom: 18px; color: var(--muted); }
.platform-card ul { margin: 0; padding-left: 20px; color: var(--muted); }
.platform-card li + li { margin-top: 7px; }

.closing { padding: 98px 0; text-align: center; }
.closing h2 { max-width: 760px; margin: 0 auto 18px; font-size: clamp(2.4rem, 5vw, 4.2rem); letter-spacing: -.07em; line-height: .98; }
.closing p { max-width: 560px; margin: 0 auto 26px; color: var(--muted); font-size: 1.08rem; }
.site-footer { border-top: 1px solid rgba(201,209,255,.12); color: var(--faint); }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 94px; font-size: .88rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 17px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--ink); }

.legal { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0 96px; }
.legal .eyebrow { margin-bottom: 9px; }
.legal h1 { margin-bottom: 12px; font-size: clamp(2.7rem, 6vw, 4.4rem); }
.legal .updated { margin-bottom: 42px; color: var(--faint); }
.legal h2 { margin: 40px 0 12px; font-size: 1.35rem; letter-spacing: -.025em; }
.legal p, .legal li { color: var(--muted); }
.legal ul, .legal ol { padding-left: 22px; }
.legal li + li { margin-top: 8px; }
.legal a { color: var(--blue); }
.notice { margin: 28px 0; padding: 18px 19px; border: 1px solid rgba(117,226,192,.3); border-radius: 16px; color: #caefe2; background: rgba(117,226,192,.08); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* ac-nav-hamburger v1 */
@media (max-width: 720px) {
  .shell { width: min(100% - 32px, 1180px); }
  .nav { min-height: 65px; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 38px; padding: 0; border: 1px solid var(--line); border-radius: 11px; color: var(--ink); background: rgba(255,255,255,.04); }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { display: block; width: 18px; height: 2px; border-radius: 2px; background: currentColor; content: ""; }
  .nav-toggle span { position: relative; }
  .nav-toggle span::before { position: absolute; top: -6px; }
  .nav-toggle span::after { position: absolute; top: 6px; }
  .lang-wrap { margin-left: 0; }
  .lang-button { width: 42px; padding: 0; justify-content: center; }
  .lang-button span:last-child { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
  .lang-menu { position: fixed; top: 67px; right: 16px; left: 16px; }
  .nav-links { display: none; position: absolute; top: 57px; right: 16px; left: 16px; flex-direction: column; align-items: stretch; gap: 3px; padding: 9px; border: 1px solid var(--line); border-radius: 16px; background: #15192a; box-shadow: var(--shadow); }
  .nav-links[data-open="true"] { display: flex; }
  .nav-links a { display: block; padding: 11px; border-radius: 10px; }
  .nav-links a:hover { background: rgba(255,255,255,.05); }
  .nav-button { border: 0; }
  .hero { padding-top: 60px; }
  .hero-grid, .screens, .platforms { grid-template-columns: 1fr; }
  .archive-scene { min-height: 365px; max-width: 480px; width: 94%; margin: 0 auto; }
  .archive-card { inset: 25px 0 0 17px; }
  .feature-grid { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .screen-stack { grid-template-columns: 1fr 1fr; }
  .screen-stack .screen-frame:last-child { width: 100%; margin: 0; }
}

/* ac-footer-mobile v1 */
@media (max-width: 720px) {
  .footer-row { align-items: flex-start; flex-direction: column; justify-content: center; padding: 24px 0; }
  .site-footer { padding-bottom: max(20px, env(safe-area-inset-bottom)); }
}