:root {
  --bg: #0b0f1a;
  --bg-soft: #0f1426;
  --panel: #151b33;
  --border: #222a55;

  --text: #e6e9ff;
  --muted: #9aa3d1;

  --accent: #6b7cff;
  --accent-soft: #9aa7ff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background:
    radial-gradient(1200px 600px at 50% -200px, #151c3f 0%, transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header {
  padding: 72px 32px 56px;
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 2.6rem;
  letter-spacing: 0.4px;
}

header p {
  margin-top: 16px;
  max-width: 820px;
  color: var(--muted);
  font-size: 1.05rem;
}

.badge {
  display: inline-block;
  margin-top: 20px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.3px;
  color: var(--accent);
  background: rgba(107,124,255,0.12);
  border: 1px solid var(--border);
}

nav {
  position: sticky;
  top: 0;
  background: rgba(11,15,26,0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

nav .nav-inner {
  max-width: 1100px;
  margin: auto;
  padding: 14px 32px;

  display: flex;
  gap: 28px;

  justify-content: center;
  align-items: center;
}

nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--accent);
}

main {
  max-width: 1100px;
  margin: auto;
  padding: 72px 32px;
}

section {
  margin-bottom: 80px;
}

h2 {
  font-size: 1.9rem;
  margin-bottom: 18px;
  color: var(--accent-soft);
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--accent);
}

p {
  max-width: 900px;
}

ul {
  margin-left: 18px;
  margin-top: 12px;
}

li {
  margin-bottom: 8px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 36px;
}

.card {
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.04),
    rgba(255,255,255,0.015)
  );
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

footer {
  border-top: 1px solid var(--border);
  padding: 36px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}