:root {
  --bg: #061525;
  --bg-2: #0b2238;
  --surface: #ffffff;
  --surface-2: #f4f7fb;
  --ink: #102033;
  --muted: #617086;
  --line: rgba(16, 32, 51, 0.12);
  --gold: #caa45d;
  --gold-2: #e2c984;
  --blue: #123e68;
  --blue-2: #0b2c4d;
  --green: #1f7a5d;
  --shadow: 0 24px 80px rgba(3, 15, 31, 0.18);
  --radius: 24px;
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: absolute; left: -999px; top: 10px; z-index: 1000; background: var(--gold); color: #071525; padding: 10px 14px; border-radius: 12px; }
.skip-link:focus { left: 10px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 21, 37, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-shell { min-height: 76px; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; }
.brand span { display: flex; flex-direction: column; line-height: 1.08; }
.brand strong { font-size: 1rem; letter-spacing: .01em; }
.brand small { color: rgba(255,255,255,.68); font-size: .78rem; }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 26px; color: rgba(255,255,255,.78); font-weight: 600; font-size: .95rem; }
.main-nav a:hover { color: var(--gold-2); }
.header-cta { padding: 11px 18px; border: 1px solid rgba(226,201,132,.5); border-radius: 999px; color: var(--gold-2); font-weight: 700; }
.menu-button { display: none; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.16); background: transparent; border-radius: 14px; margin-left: auto; }
.menu-button span { display: block; width: 18px; height: 2px; background: #fff; margin: 5px auto; border-radius: 10px; }
.hero { position: relative; overflow: hidden; background: radial-gradient(circle at 80% 10%, rgba(202,164,93,.22), transparent 30%), linear-gradient(135deg, #061525 0%, #0a2743 52%, #061525 100%); color: #fff; padding: 92px 0 72px; }
.hero::after { content: ""; position: absolute; inset: auto -18% -45% auto; width: 620px; height: 620px; background: rgba(202,164,93,.16); border-radius: 999px; filter: blur(20px); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(330px, .85fr); gap: 58px; align-items: center; }
.eyebrow, .section-kicker { margin: 0 0 14px; color: var(--gold-2); text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 800; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2.45rem, 5vw, 5.4rem); line-height: .96; letter-spacing: -.06em; margin-bottom: 24px; }
.lead { font-size: clamp(1.08rem, 1.8vw, 1.32rem); color: rgba(255,255,255,.82); max-width: 760px; margin-bottom: 32px; }
.hero-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 13px 22px; border-radius: 999px; font-weight: 800; border: 1px solid transparent; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; cursor: pointer; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--gold-2), var(--gold)); color: #071525; box-shadow: 0 18px 40px rgba(202,164,93,.28); }
.btn-secondary { border-color: rgba(255,255,255,.25); color: #fff; background: rgba(255,255,255,.06); }
.btn-dark { background: linear-gradient(135deg, #123e68, #071525); color: #fff; box-shadow: 0 18px 40px rgba(6,21,37,.22); }
.btn.full { width: 100%; }
.hero-note { margin: 24px 0 0; color: rgba(255,255,255,.72); max-width: 760px; font-size: .98rem; }
.hero-card { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); border-radius: 32px; padding: 34px; box-shadow: 0 32px 90px rgba(0,0,0,.22); backdrop-filter: blur(18px); }
.card-label { display: inline-flex; padding: 7px 12px; border-radius: 999px; background: rgba(226,201,132,.15); color: var(--gold-2); font-weight: 800; font-size: .8rem; margin-bottom: 18px; }
.hero-card h2 { font-size: clamp(1.6rem, 2.4vw, 2.2rem); line-height: 1.05; letter-spacing: -.035em; margin-bottom: 22px; }
.check-list { padding: 0; margin: 0; list-style: none; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 28px; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .42em; width: 14px; height: 14px; border-radius: 50%; background: linear-gradient(135deg, var(--gold-2), var(--gold)); box-shadow: inset 0 0 0 4px rgba(255,255,255,.38); }
.compact { gap: 9px; font-size: .95rem; color: var(--muted); }
.price-strip { margin-top: 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.price-strip div { padding: 16px; border-radius: 18px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.13); }
.price-strip span { display: block; color: rgba(255,255,255,.68); font-size: .82rem; margin-bottom: 4px; }
.price-strip strong { font-size: 1.35rem; color: #fff; }
.signal-bar { background: #f9fbfe; border-bottom: 1px solid var(--line); }
.signal-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.signal-grid div { padding: 24px 18px; border-left: 1px solid var(--line); }
.signal-grid div:last-child { border-right: 1px solid var(--line); }
.signal-grid span { display: block; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 800; margin-bottom: 5px; }
.signal-grid strong { color: var(--ink); font-size: .98rem; }
.section { padding: 92px 0; }
.section-alt { background: var(--surface-2); }
.two-col { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: start; }
.section h2 { font-size: clamp(2rem, 3vw, 3.4rem); line-height: 1.02; letter-spacing: -.045em; margin-bottom: 18px; }
.section p { color: var(--muted); font-size: 1.04rem; }
.method-list { display: grid; gap: 16px; }
.method-list article { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 16px 50px rgba(6,21,37,.06); }
.method-list span { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 16px; color: #071525; background: linear-gradient(135deg, var(--gold-2), var(--gold)); font-weight: 900; }
.method-list h3, .feature-card h3, .audience-card h2, .pricing-card h3, .notice-card h3 { margin-bottom: 8px; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 44px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); box-shadow: 0 18px 54px rgba(6,21,37,.07); }
.section-alt .feature-card { background: #fff; }
.feature-card span { display: inline-flex; color: var(--gold); font-weight: 900; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.2rem; }
.feature-card p { font-size: .98rem; margin-bottom: 0; }
.audience-section { background: linear-gradient(135deg, #071525, #123e68); color: #fff; }
.audience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.audience-card { padding: 34px; border-radius: 30px; border: 1px solid rgba(255,255,255,.13); background: rgba(255,255,255,.07); }
.audience-card.featured { background: rgba(226,201,132,.12); border-color: rgba(226,201,132,.26); }
.audience-card p, .audience-card .compact { color: rgba(255,255,255,.72); }
.audience-card .check-list li::before { box-shadow: inset 0 0 0 4px rgba(7,21,37,.28); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, minmax(260px, 1fr)); justify-content: center; gap: 24px; }
.pricing-card { position: relative; padding: 34px; border-radius: 32px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.pricing-card.partner { border-color: rgba(202,164,93,.34); }
.pricing-card.test { border-color: rgba(18,62,104,.24); }
.pricing-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 6px; background: linear-gradient(90deg, var(--gold), var(--blue)); }
.badge { display: inline-flex; padding: 8px 12px; border-radius: 999px; background: rgba(202,164,93,.14); color: #8a641f; font-weight: 900; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.badge.light { background: rgba(18,62,104,.1); color: var(--blue); }
.pricing-card h3 { margin-top: 22px; font-size: 1.45rem; }
.price { font-size: 4rem; line-height: .95; letter-spacing: -.06em; color: var(--ink); margin-bottom: 4px; font-weight: 900; }
.price span { font-size: 1.35rem; vertical-align: super; margin-right: 4px; color: var(--muted); }
.price-note { font-size: .95rem; margin-bottom: 24px; }
.pricing-card .btn { margin-top: 28px; }
.limits-section { background: #fff; }
.notice-card { padding: 32px; border-radius: 30px; background: #fff8ea; border: 1px solid rgba(202,164,93,.25); box-shadow: 0 18px 60px rgba(202,164,93,.11); }
.notice-card h3 { color: #6e4d16; }
.faq-list { display: grid; gap: 12px; max-width: 900px; margin: 0 auto; }
details { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 20px 24px; box-shadow: 0 10px 34px rgba(6,21,37,.05); }
summary { cursor: pointer; font-weight: 900; color: var(--ink); }
details p { margin: 14px 0 0; font-size: .98rem; }
.cta-section { padding: 34px 0 92px; background: #fff; }
.cta-card { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; padding: 38px; border-radius: 34px; color: #fff; background: linear-gradient(135deg, #071525, #123e68); box-shadow: var(--shadow); }
.cta-card h2 { color: #fff; font-size: clamp(2rem, 3vw, 3.2rem); line-height: 1.03; letter-spacing: -.045em; margin-bottom: 12px; }
.cta-card p { color: rgba(255,255,255,.72); margin-bottom: 0; }
.site-footer { padding: 44px 0; background: #061525; color: rgba(255,255,255,.72); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; }
.footer-brand { margin-bottom: 16px; }
.footer-grid p { max-width: 620px; margin-bottom: 0; }
.footer-entities { display: grid; grid-template-columns: repeat(2, minmax(190px, 1fr)); gap: 12px; max-width: 640px; margin-top: 22px; }
.footer-entities div { padding: 16px 18px; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: rgba(255,255,255,.05); }
.footer-entities span { display: block; color: rgba(255,255,255,.56); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 900; margin-bottom: 6px; }
.footer-entities strong { display: block; color: #fff; font-size: 1rem; }
.footer-copy { margin-top: 18px; color: rgba(255,255,255,.52); font-size: .9rem; }
.legal-footer { margin-top: 36px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; font-weight: 700; }
.footer-links a:hover { color: var(--gold-2); }
.install-button { position: fixed; right: 18px; bottom: 18px; z-index: 60; border: 0; border-radius: 999px; padding: 13px 18px; background: linear-gradient(135deg, var(--gold-2), var(--gold)); color: #071525; font-weight: 900; box-shadow: 0 18px 44px rgba(6,21,37,.2); }
.page-simple { background: var(--surface-2); }
.legal-page { max-width: 860px; padding: 70px 0; }
.legal-page h1 { color: var(--ink); font-size: clamp(2.3rem, 4vw, 4rem); }
.legal-page h2 { font-size: 1.35rem; margin-top: 28px; }
.back-link { display: inline-flex; margin-bottom: 30px; color: var(--blue); font-weight: 900; }
.offline-page .legal-page { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; }
@media (max-width: 980px) {
  .header-cta { display: none; }
  .menu-button { display: block; }
  .main-nav { position: absolute; top: 76px; left: 20px; right: 20px; margin: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 14px; background: #071525; border: 1px solid rgba(255,255,255,.14); border-radius: 20px; box-shadow: 0 24px 60px rgba(0,0,0,.25); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 14px; border-radius: 14px; }
  .main-nav a:hover { background: rgba(255,255,255,.07); }
  .hero-grid, .two-col, .cta-card { grid-template-columns: 1fr; }
  .hero { padding: 74px 0 56px; }
  .signal-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .container { width: min(100% - 28px, var(--container)); }
  .nav-shell { min-height: 68px; }
  .main-nav { top: 68px; }
  .brand strong { font-size: .95rem; }
  .hero-card, .pricing-card, .audience-card, .cta-card { border-radius: 24px; padding: 24px; }
  .hero-actions, .cta-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .signal-grid, .feature-grid, .audience-grid, .pricing-grid { grid-template-columns: 1fr; }
  .signal-grid div { border-left: 0; border-right: 0; border-top: 1px solid var(--line); }
  .signal-grid div:first-child { border-top: 0; }
  .price-strip, .footer-entities { grid-template-columns: 1fr; }
  .section { padding: 68px 0; }
  .price { font-size: 3.4rem; }
}

.model-download-card { margin-top: 34px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 18px 60px rgba(3, 15, 31, 0.10); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; }
.model-download-card h3 { margin-bottom: 10px; font-size: clamp(1.35rem, 2.2vw, 2rem); letter-spacing: -.03em; }
.model-download-card p:not(.section-kicker) { color: var(--muted); margin-bottom: 0; }
.footer-institutional { margin-top: 18px; color: rgba(255,255,255,.76); max-width: 760px; }
.footer-institutional p { margin: 0 0 10px; }
.footer-institutional strong { color: #fff; }
.footer-project-title { color: var(--gold-2); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; margin-top: 16px !important; }
.footer-copy { color: rgba(255,255,255,.62); margin-top: 18px !important; }
.footer-links a[download] { border-color: rgba(226,201,132,.45); color: var(--gold-2); }
@media (max-width: 760px) { .model-download-card { grid-template-columns: 1fr; padding: 22px; } .model-download-card .btn { width: 100%; } }
