:root {
  --blue-950: #031c3b;
  --blue-900: #063061;
  --blue-800: #074991;
  --blue-700: #075fca;
  --blue-600: #0875ec;
  --blue-100: #e9f3ff;
  --ink: #10243e;
  --muted: #61738a;
  --line: #dce7f4;
  --surface: #f5f9fe;
  --white: #fff;
  --accent: #34d6ff;
  --radius: 18px;
  --shadow: 0 18px 45px rgba(3, 48, 97, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.65; }
a { color: var(--blue-700); }
.skip-link { position: fixed; top: -100px; left: 1rem; z-index: 2000; padding: .7rem 1rem; color: #fff; background: #000; border-radius: 8px; }
.skip-link:focus { top: 1rem; }
.site-header { background: rgba(3, 28, 59, .97); box-shadow: 0 6px 22px rgba(0, 0, 0, .15); }
.navbar { min-height: 74px; }
.navbar-brand { display: inline-flex; align-items: center; padding: 0; }
.site-logo { display: block; width: 58px; height: 58px; object-fit: contain; filter: drop-shadow(0 4px 10px rgba(0,0,0,.32)); }
.navbar .nav-link { margin-left: .4rem; color: #c7daef; font-weight: 600; border-radius: 8px; }
.navbar .nav-link:hover, .navbar .nav-link.active { color: #fff; background: rgba(255,255,255,.09); }
.hero { position: relative; overflow: hidden; padding: 6.5rem 0 5.5rem; color: #fff; background: radial-gradient(circle at 80% 15%, rgba(52,214,255,.25), transparent 28%), linear-gradient(135deg, var(--blue-950), var(--blue-700)); }
.hero::after { content: ""; position: absolute; right: -7rem; bottom: -11rem; width: 30rem; height: 30rem; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; box-shadow: 0 0 0 60px rgba(255,255,255,.025), 0 0 0 120px rgba(255,255,255,.025); }
.eyebrow { display: inline-flex; align-items: center; gap: .45rem; margin-bottom: 1rem; padding: .35rem .8rem; color: #d8f6ff; background: rgba(52,214,255,.12); border: 1px solid rgba(52,214,255,.35); border-radius: 99px; font-size: .8rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.hero h1 { max-width: 720px; font-size: clamp(2.25rem, 5vw, 4.3rem); font-weight: 850; line-height: 1.07; letter-spacing: -.04em; }
.hero .lead { max-width: 660px; color: #d5e4f4; font-size: 1.14rem; }
.hero-visual { position: relative; z-index: 1; padding: 1rem; }
.generated-art { display: block; width: 100%; height: auto; border: 1px solid rgba(255,255,255,.16); border-radius: 28px; box-shadow: 0 28px 65px rgba(0,0,0,.24); }
.hero-character-art { max-height: 550px; object-fit: cover; object-position: center 43%; }
.feature-scene-art { aspect-ratio: 15 / 8; object-fit: cover; box-shadow: var(--shadow); }
.btn { padding: .78rem 1.25rem; border-radius: 10px; font-weight: 750; }
.btn-primary { background: var(--blue-600); border-color: var(--blue-600); box-shadow: 0 8px 20px rgba(8,117,236,.25); }
.btn-primary:hover { background: #0564ce; border-color: #0564ce; }
.btn-light { color: var(--blue-900); }
.btn .iconify { margin-right: .35rem; font-size: 1.15em; }
.section { padding: 5rem 0; }
.section-soft { background: var(--surface); }
.section-title { max-width: 720px; margin-bottom: 2.2rem; }
.section-title h2, .page-heading h1 { margin-bottom: .75rem; color: var(--blue-950); font-weight: 830; letter-spacing: -.025em; }
.section-title p, .page-heading p { color: var(--muted); }
.feature-card, .info-card, .version-card, .promo-card { height: 100%; padding: 1.65rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 32px rgba(3,48,97,.06); }
.feature-icon { display: grid; width: 48px; height: 48px; margin-bottom: 1rem; place-items: center; color: var(--blue-700); background: var(--blue-100); border-radius: 13px; font-size: 1.45rem; }
.feature-card h3, .info-card h2, .version-card h2, .promo-card h2 { font-size: 1.15rem; font-weight: 780; }
.feature-card p, .info-card p, .promo-card p { color: var(--muted); }
.text-link { font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.page-hero { padding: 4.3rem 0 3.5rem; color: #fff; background: linear-gradient(135deg, var(--blue-950), var(--blue-700)); }
.page-heading { max-width: 790px; }
.page-heading h1 { color: #fff; font-size: clamp(2rem, 4vw, 3.3rem); }
.page-heading p { color: #d5e4f4; font-size: 1.08rem; }
.crumbs { margin-bottom: 1rem; color: #aacae8; font-size: .9rem; }
.crumbs a { color: #d9efff; text-decoration: none; }
.platform-card { height: 100%; padding: 1.7rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.platform-card.disabled { opacity: .64; background: #f1f4f8; }
.platform-icon { color: var(--blue-700); font-size: 2.5rem; }
.status-pill { display: inline-block; padding: .25rem .6rem; color: #536273; background: #e5e9ee; border-radius: 99px; font-size: .76rem; font-weight: 750; }
.version-number { color: var(--blue-700); font-size: 2.3rem; font-weight: 850; }
.update-list { margin: 0; padding-left: 1.2rem; color: var(--muted); }
.update-list li + li { margin-top: .45rem; }
.timeline { position: relative; padding-left: 1.8rem; border-left: 2px solid #cfe0f2; }
.timeline-item { position: relative; margin-bottom: 2rem; }
.timeline-item::before { content: ""; position: absolute; top: .4rem; left: -2.18rem; width: .7rem; height: .7rem; background: var(--blue-600); border: 3px solid #fff; border-radius: 50%; box-shadow: 0 0 0 2px var(--blue-600); }
.timeline-item h2 { font-size: 1.15rem; font-weight: 800; }
.step-number { display: grid; width: 42px; height: 42px; flex: 0 0 auto; place-items: center; color: #fff; background: var(--blue-700); border-radius: 12px; font-weight: 850; }
.step { display: flex; gap: 1rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.step:last-child { border: 0; }
.notice { padding: 1.2rem 1.3rem; background: #eaf6ff; border-left: 4px solid var(--blue-600); border-radius: 0 12px 12px 0; }
.promo-table-wrap { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 32px rgba(3,48,97,.06); }
.promo-table-wrap thead th { padding: 1rem 1.2rem; color: #fff; background: var(--blue-900); border: 0; }
.promo-table-wrap tbody th, .promo-table-wrap tbody td { padding: 1rem 1.2rem; border-color: var(--line); }
.promo-table-wrap tbody th { color: var(--blue-800); background: #f7fbff; }
.accordion-item { overflow: hidden; margin-bottom: .8rem; border: 1px solid var(--line)!important; border-radius: 12px!important; }
.accordion-button { color: var(--ink); font-weight: 720; }
.accordion-button:not(.collapsed) { color: var(--blue-800); background: var(--blue-100); box-shadow: none; }
.prose { max-width: 860px; }
.prose h2 { margin: 2.2rem 0 .8rem; color: var(--blue-950); font-size: 1.35rem; font-weight: 800; }
.prose p, .prose li { color: #4e6279; }
.home-article { border-top: 1px solid var(--line); }
.home-article .article-heading { margin-top: .5rem; font-size: clamp(1.75rem, 3vw, 2.45rem); letter-spacing: -.025em; }
.home-article .prose p { margin-bottom: 1.15rem; }
.article-summary { position: sticky; top: 104px; }
.site-footer { padding: 4rem 0 1.5rem; color: #aebfd2; background: var(--blue-950); }
.footer-brand { display: inline-block; text-decoration: none; }
.footer-brand img { display: block; object-fit: contain; filter: drop-shadow(0 8px 20px rgba(0,0,0,.3)); }
.footer-title { color: #fff; font-size: .95rem; font-weight: 750; }
.footer-links { margin: 0; padding: 0; list-style: none; }
.footer-links li { margin-top: .55rem; }
.footer-links a { color: #aebfd2; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.4rem; border-top: 1px solid rgba(255,255,255,.1); font-size: .85rem; }

@media (max-width: 991.98px) {
  .navbar-collapse { padding: 1rem 0; }
  .navbar .nav-link { margin: .2rem 0; padding-left: .8rem; }
  .hero { padding: 4.5rem 0; }
  .hero-visual { margin-top: 2rem; }
}
@media (max-width: 767.98px) {
  .section { padding: 3.6rem 0; }
  .footer-bottom { flex-direction: column; }
}
