:root {
  --bg: #ffffff;
  --text: #1a1a2e;
  --muted: #5c5c70;
  --accent: #7c3aed;
  --accent-2: #ec4899;
  --accent-3: #f59e0b;
  --accent-4: #06b6d4;
  --border: #e5e7eb;
  --card: #f9fafb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f17;
    --text: #f1f1f6;
    --muted: #a0a0b8;
    --accent: #a78bfa;
    --accent-2: #f472b6;
    --accent-3: #fbbf24;
    --accent-4: #22d3ee;
    --border: #2a2a3a;
    --card: #17171f;
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
}

.nav {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}

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

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

h1 { font-size: 1.9rem; margin-bottom: 0.4rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 0.6rem; }
h3 { font-size: 1.05rem; margin: 1.4rem 0 0.4rem; }
p { margin-bottom: 0.9rem; }
ul, ol { margin: 0 0 1rem 1.4rem; }
li { margin-bottom: 0.35rem; }
a { color: var(--accent); }

.updated {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 2rem;
}

.hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
  border-radius: 24px;
  margin-bottom: 1rem;
  background:
    radial-gradient(600px 300px at 20% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent),
    radial-gradient(600px 300px at 80% 20%, color-mix(in srgb, var(--accent-2) 20%, transparent), transparent),
    radial-gradient(500px 260px at 50% 100%, color-mix(in srgb, var(--accent-4) 18%, transparent), transparent);
}

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 0.75rem;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p { color: var(--muted); max-width: 560px; margin: 0 auto 1.5rem; font-size: 1.08rem; }

.badges {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.85rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  position: relative;
  overflow: hidden;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.card:nth-child(2)::before { background: linear-gradient(90deg, var(--accent-2), var(--accent-3)); }
.card:nth-child(3)::before { background: linear-gradient(90deg, var(--accent-3), var(--accent-4)); }

.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 15%, transparent);
}

.card .emoji { font-size: 1.7rem; display: block; margin-bottom: 0.6rem; }
.card h3 { margin: 0 0 0.3rem; }
.card p { color: var(--muted); font-size: 0.9rem; margin: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  vertical-align: top;
}

th { background: var(--card); }

footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

footer a { color: var(--muted); }