:root {
  --bg: #0b1220;
  --surface: #101827;
  --surface-2: #0f172a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --line: #243044;
  --primary: #60a5fa;
  --primary-strong: #3b82f6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, #1d4ed8 0%, transparent 50%),
    radial-gradient(900px 500px at 100% -20%, #0ea5e9 0%, transparent 50%), var(--bg);
}

main {
  max-width: 1020px;
  margin: 0 auto;
  padding: 28px 18px 60px;
}

.panel {
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.92), rgba(15, 23, 42, 0.92));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

nav a {
  text-decoration: none;
  color: #dbeafe;
  border: 1px solid #35517a;
  background: rgba(30, 58, 138, 0.22);
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 600;
  font-size: 0.92rem;
}

nav a:hover {
  background: rgba(59, 130, 246, 0.28);
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 10px;
}

h1 {
  font-size: clamp(1.9rem, 3.2vw, 2.7rem);
  margin-bottom: 12px;
}

h2 {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  margin-top: 24px;
}

p {
  margin: 0 0 12px;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.grid {
  display: grid;
  gap: 14px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  background: var(--surface-2);
}

.card p,
.card li {
  color: #cbd5e1;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.quick-links a {
  text-decoration: none;
  color: #eff6ff;
  background: linear-gradient(180deg, var(--primary), var(--primary-strong));
  border-radius: 10px;
  padding: 8px 12px;
  font-weight: 700;
  font-size: 0.92rem;
}

.quick-links a.secondary {
  background: #1e293b;
  border: 1px solid #334155;
}

.footer {
  margin-top: 24px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

ul {
  margin: 0;
  padding-left: 20px;
}

a {
  color: #93c5fd;
}