:root {
  --bg: #0b1020;
  --panel: #11172b;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --brand: #60a5fa;
  --accent: #34d399;
  --ring: rgba(96,165,250,.35);
}
@media (prefers-color-scheme: light) {
  :root { --bg:#f8fafc; --panel:#ffffff; --text:#0f172a; --muted:#475569; --brand:#2563eb; --accent:#059669; --ring:rgba(37,99,235,.25); }
  body { background-image: radial-gradient(600px 400px at 20% -10%, #e0e7ff 0, transparent 60%), radial-gradient(600px 400px at 120% 10%, #d1fae5 0, transparent 60%); }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text); background: var(--bg);
  background-image: radial-gradient(800px 500px at -10% -10%, #0f172a 0, transparent 60%), radial-gradient(800px 500px at 110% 0%, #042f2e 0, transparent 60%);
}
a { color: inherit; text-decoration: none; }
.container { max-width: 1080px; margin-inline: auto; padding: 2rem; }

/* Nav */
.nav { display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:1rem 0; }
.logo { display:flex; align-items:center; gap:.75rem; font-weight:700; letter-spacing:.2px; }
.logo-badge { width:36px; height:36px; border-radius:10px; display:grid; place-items:center; background:linear-gradient(135deg, var(--brand), var(--accent)); box-shadow: 0 6px 25px rgba(52,211,153,.25); font-weight:800; color:white; }
.nav a.btn { padding:.6rem 1rem; border-radius:999px; border:1px solid rgba(255,255,255,.08); background:transparent; transition:.2s ease; font-weight:600; }
.nav a.btn:hover { border-color: var(--brand); box-shadow: 0 0 0 6px var(--ring); }

/* Hero */
.hero { display:grid; gap:1.25rem; padding: 5rem 0 3rem; text-align:center; }
.headline { font-size: clamp(1.8rem, 2.8vw + .8rem, 3rem); line-height:1.05; letter-spacing:.2px; margin:0; }
.subhead { color: var(--muted); max-width: 72ch; margin: .5rem auto 0; font-size: clamp(1rem, .5vw + .9rem, 1.125rem); }
.cta { display:flex; gap:.75rem; align-items:center; justify-content:center; margin-top:1.25rem; flex-wrap:wrap; }
.button { display:inline-flex; align-items:center; gap:.5rem; padding:.85rem 1.15rem; border-radius:14px; font-weight:700; border:1px solid transparent; transition:.2s ease; }
.button.primary { background: linear-gradient(135deg, var(--brand), var(--accent)); color:white; box-shadow: 0 10px 30px rgba(96,165,250,.25); }
.button.primary:hover { transform: translateY(-1px); }
.button.ghost { border-color: rgba(255,255,255,.08); color: var(--text); }
.button.ghost:hover { border-color: var(--brand); box-shadow: 0 0 0 6px var(--ring); }

/* Cards */
.cards { display:grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap:1rem; margin-top:2rem; }
.card { background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border:1px solid rgba(255,255,255,.075); border-radius:18px; padding:1.25rem; backdrop-filter: blur(6px); box-shadow: 0 6px 24px rgba(15,23,42,.25); }
.card h3 { margin:.25rem 0 .5rem; font-size:1.05rem; }
.badge { display:inline-block; padding:.25rem .5rem; border-radius:999px; background: rgba(96,165,250,.15); color: #c7d2fe; font-size:.75rem; font-weight:700; letter-spacing:.3px; }
.muted { color: var(--muted); font-size:.95rem; }

.section { margin-top:3rem; }
.section h2 { font-size:1.4rem; margin:0 0 .75rem; }

/* Legal layout (privacy / terms) */
.legal { max-width: 900px; margin: 4rem auto; padding: 2rem; background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border: 1px solid rgba(255,255,255,.08); border-radius: 16px; backdrop-filter: blur(6px); box-shadow: 0 6px 24px rgba(15,23,42,.25); }
.legal h1 { font-size: 2rem; margin-bottom: .5rem; }
.legal h2 { margin-top: 2rem; font-size: 1.25rem; }
.legal p { margin: .75rem 0; color: var(--muted); }
.legal a { color: var(--brand); text-decoration: none; }
.legal a:hover { text-decoration: underline; }

/* Footer */
.footer { margin-top:4rem; padding:2rem 0 1rem; border-top:1px solid rgba(255,255,255,.08); color: var(--muted); font-size:.9rem; }
.links { display:flex; gap:1rem; flex-wrap:wrap; justify-content:center; }