* { box-sizing: border-box; }
:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background: #070a0f;
  color: #f8fafc;
}
html { background: #070a0f; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% -10%, rgba(79, 70, 229, .18), transparent 34rem),
    radial-gradient(circle at 90% 8%, rgba(14, 165, 233, .10), transparent 28rem),
    #070a0f;
  color: #e5e7eb;
  line-height: 1.62;
}
a { color: #93c5fd; text-underline-offset: 3px; }
a:hover { color: #bfdbfe; }
.shell { width: min(900px, calc(100% - 32px)); margin: 0 auto; padding: 28px 0 72px; }
.topbar { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:28px; }
.brand { display:flex; align-items:center; gap:12px; color:#fff; text-decoration:none; font-weight:700; letter-spacing:-.01em; }
.brand img { width:36px; height:36px; border-radius:9px; }
.nav { display:flex; flex-wrap:wrap; gap:8px; }
.nav a { color:#cbd5e1; text-decoration:none; padding:7px 10px; border:1px solid #283241; border-radius:10px; background:#0d121a; font-size:.9rem; }
.hero, .card { border:1px solid #202a38; background:rgba(13,18,26,.92); border-radius:20px; box-shadow:0 18px 50px rgba(0,0,0,.24); }
.hero { padding:34px; margin-bottom:18px; }
.card { padding:28px 30px; margin:14px 0; }
.eyebrow { color:#94a3b8; text-transform:uppercase; letter-spacing:.12em; font-size:.75rem; font-weight:700; }
h1 { margin:.35rem 0 .55rem; font-size:clamp(2rem, 6vw, 3.25rem); line-height:1.06; letter-spacing:-.045em; color:#fff; }
h2 { margin:0 0 .6rem; color:#fff; font-size:1.18rem; letter-spacing:-.015em; }
h3 { color:#f8fafc; margin:1.2rem 0 .25rem; }
p { margin:.55rem 0 1rem; }
ul { padding-left:1.3rem; }
li { margin:.35rem 0; }
.meta { display:flex; flex-wrap:wrap; gap:8px 18px; margin-top:18px; color:#94a3b8; font-size:.9rem; }
.notice { border-left:3px solid #60a5fa; padding:12px 15px; background:#0b1421; border-radius:0 12px 12px 0; color:#cbd5e1; }
.contact { display:flex; flex-wrap:wrap; gap:10px; margin-top:14px; }
.button { display:inline-flex; align-items:center; justify-content:center; padding:10px 14px; border-radius:11px; background:#f8fafc; color:#0f172a; text-decoration:none; font-weight:700; }
.button.secondary { background:#111827; color:#e5e7eb; border:1px solid #334155; }
.small { color:#94a3b8; font-size:.9rem; }
footer { margin-top:28px; color:#64748b; font-size:.85rem; text-align:center; }
@media (max-width: 640px) {
  .shell { width:min(100% - 20px, 900px); padding-top:16px; }
  .topbar { align-items:flex-start; flex-direction:column; }
  .hero { padding:25px 22px; border-radius:17px; }
  .card { padding:22px 20px; border-radius:17px; }
  .nav { width:100%; }
  .nav a { flex:1; text-align:center; }
}