:root {
  color-scheme: dark;
  --bg: #080c14;
  --card: #111827;
  --card-border: rgba(255,255,255,.1);
  --text: #f3f4f6;
  --muted: #a7b0bf;
  --accent: #2b88eb;
  --accent-2: #18b39e;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 0%, rgba(43,136,235,.18), transparent 38rem), var(--bg);
  line-height: 1.65;
}
a { color: #70b5ff; }
.site-shell { width: min(100% - 32px, 960px); margin: 0 auto; }
.site-header { padding: 28px 0 12px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { color: var(--text); text-decoration: none; font-size: 1.25rem; font-weight: 750; }
.lang-nav { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.lang-nav a { padding: 5px 9px; border: 1px solid var(--card-border); border-radius: 999px; text-decoration: none; color: var(--muted); font-size: .85rem; }
.lang-nav a[aria-current="page"] { color: var(--text); border-color: var(--accent); }
.hero { padding: 88px 0 72px; max-width: 720px; }
.eyebrow { color: var(--accent-2); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: .8rem; }
h1 { margin: 10px 0 18px; font-size: clamp(2.4rem, 7vw, 4.5rem); line-height: 1.05; letter-spacing: -.04em; }
.hero p { color: var(--muted); font-size: 1.12rem; max-width: 680px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-block; padding: 11px 17px; border-radius: 10px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; text-decoration: none; font-weight: 700; }
.button.secondary { background: transparent; border: 1px solid var(--card-border); }
.section { padding: 26px 0 62px; }
.section h2 { margin: 0 0 18px; font-size: 1.7rem; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.card { padding: 22px; background: rgba(17,24,39,.72); border: 1px solid var(--card-border); border-radius: 16px; }
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); }
.legal { margin: 36px auto 72px; padding: clamp(24px, 5vw, 52px); background: rgba(17,24,39,.78); border: 1px solid var(--card-border); border-radius: 18px; }
.legal h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
.legal h2 { margin-top: 34px; padding-bottom: 7px; border-bottom: 1px solid var(--card-border); font-size: 1.35rem; }
.legal p, .legal li { color: var(--muted); }
.legal li { margin: 8px 0; }
.meta { color: var(--muted); font-size: .95rem; }
footer { border-top: 1px solid var(--card-border); padding: 26px 0 42px; color: var(--muted); font-size: .9rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
@media (prefers-color-scheme: light) {
  :root { color-scheme: light; --bg: #f5f7fb; --card: #fff; --card-border: rgba(15,23,42,.12); --text: #0f172a; --muted: #475569; }
  body { background: radial-gradient(circle at 20% 0%, rgba(43,136,235,.12), transparent 38rem), var(--bg); }
  .card, .legal { background: rgba(255,255,255,.85); }
}
@media (max-width: 600px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .lang-nav { justify-content: flex-start; }
  .hero { padding: 60px 0 48px; }
}