:root {
  --bg: #07111f;
  --bg-soft: #0d1a2b;
  --card: rgba(255,255,255,0.06);
  --card-border: rgba(255,255,255,0.12);
  --text: #f7f9fc;
  --muted: #a9b5c6;
  --blue: #2f80ff;
  --blue-2: #6eb6ff;
  --danger: #ff6b6b;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 10%, rgba(47,128,255,.22), transparent 32%),
    radial-gradient(circle at 90% 0%, rgba(110,182,255,.13), transparent 28%),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}

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

.shell { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(7,17,31,.78);
  border-bottom: 1px solid var(--card-border);
}

.nav-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -.02em;
  font-size: 1.1rem;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(145deg, #f8fbff, #dbeaff);
  position: relative;
  box-shadow: inset 0 0 0 2px rgba(47,128,255,.35), 0 10px 30px rgba(0,0,0,.2);
}

.logo:before {
  content: "";
  position: absolute;
  width: 8px;
  height: 22px;
  background: var(--blue);
  border-radius: 999px;
  left: 16px;
  top: 10px;
}

.logo:after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border-left: 7px solid var(--blue);
  border-top: 7px solid var(--blue);
  transform: rotate(45deg);
  left: 9px;
  top: 8px;
  border-radius: 2px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: .95rem;
}

.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--text); text-decoration: none; }

.hero {
  padding: 92px 0 72px;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(47,128,255,.12);
  border: 1px solid rgba(110,182,255,.25);
  color: #cde5ff;
  font-size: .88rem;
  font-weight: 700;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -.035em; }

h1 {
  font-size: clamp(2.8rem, 8vw, 5.7rem);
  max-width: 900px;
  margin: 24px auto 18px;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 18px;
}

h3 { font-size: 1.18rem; margin-top: 0; }

.lead {
  color: var(--muted);
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  max-width: 760px;
  margin: 0 auto 30px;
}

.actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 12px;
  font-weight: 800;
  border: 1px solid var(--card-border);
  color: var(--text);
  background: var(--card);
}

.button.primary {
  background: linear-gradient(135deg, var(--blue), #145fd1);
  border-color: transparent;
  box-shadow: 0 12px 32px rgba(47,128,255,.28);
}

.button:hover { text-decoration: none; transform: translateY(-1px); }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
}

.card p { color: var(--muted); margin-bottom: 0; }

.section { padding: 72px 0; }

.section-head {
  max-width: 700px;
  margin-bottom: 30px;
}

.eyebrow {
  color: var(--blue-2);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .78rem;
}

.page {
  padding: 70px 0 90px;
}

.page article {
  max-width: 820px;
  margin: 0 auto;
  padding: 36px;
  border-radius: 20px;
  background: rgba(255,255,255,.045);
  border: 1px solid var(--card-border);
}

.page article h1 {
  font-size: clamp(2.3rem, 6vw, 4rem);
  text-align: left;
  margin-top: 0;
}

.page article h2 {
  font-size: 1.55rem;
  margin-top: 38px;
}

.page article p,
.page article li { color: #d3dbe7; }

.notice {
  padding: 16px 18px;
  border-left: 4px solid var(--blue);
  background: rgba(47,128,255,.09);
  border-radius: 10px;
}

.danger {
  border-left-color: var(--danger);
  background: rgba(255,107,107,.08);
}

footer {
  padding: 30px 0 44px;
  color: var(--muted);
  border-top: 1px solid var(--card-border);
  font-size: .92rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }

@media (max-width: 760px) {
  .nav-inner { align-items: flex-start; padding: 16px 0; flex-direction: column; }
  .grid { grid-template-columns: 1fr; }
  .hero { padding-top: 68px; }
  .page article { padding: 24px; }
}