:root {
  --bg: #07111f;
  --panel: #0d1c30;
  --panel-2: #122640;
  --text: #eaf2ff;
  --muted: #a9bdd7;
  --accent: #63d7ff;
  --accent-2: #9b7cff;
  --success: #61d095;
  --warning: #ffd166;
  --danger: #ff7b89;
  --border: rgba(255,255,255,.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(99,215,255,.12), transparent 35%),
    radial-gradient(circle at 90% 15%, rgba(155,124,255,.12), transparent 30%),
    var(--bg);
}
a { color: var(--accent); }
a:hover { text-decoration: none; }
header {
  border-bottom: 1px solid var(--border);
  background: rgba(7,17,31,.88);
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  z-index: 10;
}
.nav {
  max-width: 1120px;
  margin: auto;
  padding: 15px 22px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}
.brand { font-weight: 800; letter-spacing: .4px; color: white; text-decoration: none; }
.brand span { color: var(--accent); }
nav a { color: var(--muted); text-decoration: none; margin-left: 13px; font-size: .94rem; }
nav a:hover { color: white; }
main { max-width: 960px; margin: auto; padding: 55px 22px 80px; }
.hero {
  background: linear-gradient(145deg, rgba(18,38,64,.92), rgba(13,28,48,.92));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 24px 70px rgba(0,0,0,.25);
}
.eyebrow { color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: .13em; font-size: .78rem; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.1; margin: 10px 0 18px; }
h2 { margin-top: 42px; padding-bottom: 9px; border-bottom: 1px solid var(--border); }
h3 { margin-top: 28px; }
p, li { color: var(--muted); }
strong { color: var(--text); }
.card {
  margin-top: 24px;
  padding: 24px;
  border-radius: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
}
.notice { border-left: 4px solid var(--accent); }
.warning { border-left: 4px solid var(--warning); }
.success { border-left: 4px solid var(--success); }
.danger { border-left: 4px solid var(--danger); }
table { width: 100%; border-collapse: collapse; margin: 22px 0; background: var(--panel); }
th, td { padding: 14px; border: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: var(--panel-2); color: white; }
code {
  background: rgba(255,255,255,.08);
  padding: 2px 7px;
  border-radius: 6px;
  color: #d9f7ff;
}
.button {
  display: inline-block;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #04101e;
  font-weight: 800;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 11px;
  margin-top: 10px;
}
footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
  padding: 30px 20px;
  font-size: .9rem;
}
.small { font-size: .9rem; }
@media (max-width: 760px) {
  nav { display: none; }
  .hero { padding: 26px; }
  th, td { padding: 10px; font-size: .9rem; }
}