:root {
  --bg: #08060f;
  --surface: #0e0d15;
  --border: rgba(200, 191, 255, 0.14);
  --primary: #c8bfff;
  --primary-wash: rgba(200, 191, 255, 0.08);
  --text-primary: #e5e0ec;
  --text-secondary: #928e9f;
  --text-muted: #52525b;
  --max-width: 680px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto,
    Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  border-bottom: 1px solid var(--border);
  padding: 32px 0 20px;
  background: var(--bg);
}

.brand {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.brand-sub {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

nav {
  display: flex;
  gap: 24px;
  margin-top: 24px;
  flex-wrap: wrap;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

nav a:hover,
nav a[aria-current='page'] {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Main */
main {
  flex: 1;
  padding: 40px 0 64px;
}

article h1 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: -1px;
}

.last-updated {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 40px;
  font-weight: 600;
}

article p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 20px;
}

article h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 48px;
  margin-bottom: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  letter-spacing: -0.4px;
}

article h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

article ul {
  margin: 0 0 24px 0;
  padding: 0;
  list-style: none;
}

article ul li {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 12px;
  padding-left: 24px;
  position: relative;
}

article ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

article a {
  color: var(--primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

article a:hover {
  border-bottom-color: var(--primary);
}

/* Hub cards */
.hub-grid {
  display: grid;
  gap: 20px;
  margin-top: 32px;
}

.hub-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px 28px;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.hub-card:hover {
  border-color: var(--primary);
  background: var(--primary-wash);
  transform: translateY(-2px);
}

.hub-card-title {
  color: var(--text-primary);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.hub-card-body {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.hub-card-arrow {
  color: var(--primary);
  font-size: 14px;
  margin-top: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 0 48px;
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px dotted var(--text-muted);
}

footer a:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Responsive */
@media (min-width: 768px) {
  article h1 {
    font-size: 40px;
  }
  article h2 {
    font-size: 24px;
  }
  main {
    padding: 64px 0 80px;
  }
}