:root {
  --bg: #0b0f14; --card: #141b24; --line: #2a3648; --text: #eef3fa;
  --muted: #93a1b5; --ok: #3ecf8e; --accent: #3dd6c6; --gold: #e8b84a;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: "Segoe UI", system-ui, sans-serif; color: var(--text);
  background: radial-gradient(900px 420px at 0% 0%, #1a3040, transparent),
              radial-gradient(700px 400px at 100% 0%, #241a30, transparent), var(--bg);
  min-height: 100vh;
}
.wrap { max-width: 900px; margin: 0 auto; padding: 1.25rem 1.1rem 3rem; }
.nav { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.25rem; }
.nav a {
  color: var(--muted); text-decoration: none; font-size: 0.85rem; font-weight: 600;
  padding: 0.35rem 0.65rem; border-radius: 999px; border: 1px solid transparent;
}
.nav a:hover, .nav a.active { color: var(--text); border-color: var(--line); background: #121820; }
.badge {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; padding: 0.25rem 0.5rem; border-radius: 999px;
  background: #14281f; color: var(--ok); border: 1px solid #2a4d3a; margin-bottom: 0.5rem;
}
h1 { margin: 0.2rem 0 0.5rem; font-size: clamp(1.5rem, 4vw, 2.1rem); line-height: 1.15; }
h2 { margin: 0 0 0.55rem; font-size: 1.1rem; }
.lead { color: var(--muted); line-height: 1.55; max-width: 40rem; margin: 0 0 1rem; }
.card {
  background: color-mix(in srgb, var(--card) 94%, transparent);
  border: 1px solid var(--line); border-radius: 14px; padding: 1.1rem 1.15rem; margin: 0.85rem 0;
}
.card p, .card li { color: var(--muted); line-height: 1.55; font-size: 0.92rem; }
.card ul, .card ol { margin: 0.4rem 0 0; padding-left: 1.2rem; }
.card strong { color: var(--text); }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
@media (max-width: 700px) { .grid { grid-template-columns: 1fr; } }
.step {
  border: 1px solid var(--line); border-radius: 12px; padding: 0.85rem 0.95rem; background: #0c1219;
}
.step .n {
  display: inline-block; width: 1.5rem; height: 1.5rem; border-radius: 50%;
  background: #1a3a36; border: 1px solid #2a6a62; color: var(--accent);
  font-size: 0.75rem; font-weight: 700; text-align: center; line-height: 1.45; margin-bottom: 0.35rem;
}
.cta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
a.btn, button.btn {
  appearance: none; border: 1px solid #2a6a62; cursor: pointer; text-decoration: none;
  background: linear-gradient(135deg, #1e4a45, #1a3a55); color: #e8fffb;
  font-weight: 650; border-radius: 10px; padding: 0.65rem 1rem; font-size: 0.92rem; display: inline-block;
}
a.btn.secondary { background: #121820; border-color: var(--line); color: var(--text); font-weight: 500; }
.notice {
  margin: 0.75rem 0; padding: 0.75rem 0.9rem; border-radius: 10px;
  border: 1px solid #4a3d1a; background: #1a1810; color: #e8d9a8; font-size: 0.88rem; line-height: 1.45;
}
footer { margin-top: 1.75rem; color: var(--muted); font-size: 0.75rem; line-height: 1.5; }
footer a { color: var(--accent); }
.meta { color: var(--muted); font-size: 0.85rem; line-height: 1.5; }