:root {
  --bg: #0f1220;
  --surface: #171b2e;
  --surface-2: #202642;
  --text: #f4f6ff;
  --muted: #aeb6d3;
  --primary: #7c6cff;
  --primary-2: #2ed3ff;
  --border: rgba(255,255,255,.10);
  --shadow: 0 18px 50px rgba(0,0,0,.25);
}

* { 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;
  background:
    radial-gradient(circle at top left, rgba(124,108,255,.20), transparent 32%),
    radial-gradient(circle at top right, rgba(46,211,255,.12), transparent 28%),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a { color: var(--primary-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(1060px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(15,18,32,.78);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 70px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; font-size: 1.2rem; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white; font-weight: 900;
  box-shadow: 0 8px 24px rgba(124,108,255,.35);
}
.nav-links { display: flex; flex-wrap: wrap; gap: 18px; }
.nav-links a { color: var(--muted); font-weight: 600; }
.nav-links a[aria-current="page"] { color: var(--text); }

.hero { padding: 100px 0 70px; text-align: center; }
.eyebrow { color: var(--primary-2); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; font-size: .78rem; }
h1 { font-size: clamp(2.4rem, 7vw, 5rem); line-height: 1.05; margin: 14px 0 18px; }
.hero p { max-width: 700px; margin: 0 auto; color: var(--muted); font-size: 1.1rem; }
.actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 12px 20px; border-radius: 14px; font-weight: 800; }
.button-primary { color: white; background: linear-gradient(135deg, var(--primary), #5a8cff); box-shadow: 0 12px 28px rgba(124,108,255,.28); }
.button-secondary { color: var(--text); background: var(--surface); border: 1px solid var(--border); }

.section { padding: 36px 0 70px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: rgba(23,27,46,.92); border: 1px solid var(--border); border-radius: 20px; padding: 24px; box-shadow: var(--shadow); }
.card h2, .card h3 { margin-top: 0; }
.card p { color: var(--muted); }

.legal-wrap { padding: 54px 0 80px; }
.legal-header { margin-bottom: 28px; }
.legal-header h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin-bottom: 10px; }
.meta { color: var(--muted); }
.notice { padding: 18px 20px; border-left: 4px solid var(--primary-2); background: rgba(46,211,255,.08); border-radius: 12px; color: var(--muted); margin: 24px 0; }

.accordion { display: grid; gap: 14px; }
details { background: rgba(23,27,46,.94); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
summary { cursor: pointer; list-style: none; padding: 20px 22px; font-weight: 800; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.4rem; color: var(--primary-2); }
details[open] summary::after { content: "−"; }
details[open] summary { border-bottom: 1px solid var(--border); }
.details-content { padding: 20px 22px 24px; color: var(--muted); }
.details-content h3 { color: var(--text); margin: 20px 0 8px; }
.details-content ul { padding-left: 22px; }

footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--muted); }
.footer-row { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }

@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; padding: 14px 0; }
  .nav-links { justify-content: flex-end; }
  .hero { padding-top: 70px; }
}