:root {
  --bg: #0d1117;
  --bg-card: #161b22;
  --bg-code: #1c2333;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent2: #3fb950;
  --accent3: #d2a8ff;
  --orange: #d29922;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }

/* Nav */
nav {
  border-bottom: 1px solid var(--border);
  background: rgba(13,17,23,.85);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
nav .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
nav .logo { font-size: 1.25rem; font-weight: 700; color: var(--text); text-decoration: none; }
nav .logo span { color: var(--accent); }
nav ul { list-style: none; display: flex; gap: 20px; align-items: center; }
nav ul li a { color: var(--text-muted); text-decoration: none; font-size: .875rem; }
nav ul li a:hover { color: var(--text); }

/* Hero */
.hero {
  text-align: center; padding: 80px 0 60px;
}
.hero h1 { font-size: 3.5rem; font-weight: 700; letter-spacing: -1px; }
.hero h1 span { color: var(--accent); }
.hero p { color: var(--text-muted); font-size: 1.1rem; max-width: 640px; margin: 16px auto; }
.buttons { margin-top: 28px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 10px 24px; border-radius: 6px;
  font-size: .95rem; font-weight: 500; text-decoration: none;
}
.btn-primary { background: var(--accent); color: #0d1117; }
.btn-secondary { border: 1px solid var(--border); color: var(--text); }

/* Terminal */
.hero-terminal {
  max-width: 640px; margin: 40px auto 0; border-radius: 8px;
  border: 1px solid var(--border); overflow: hidden; text-align: left;
}
.hero-terminal .bar {
  background: var(--bg-card); padding: 8px 12px; display: flex; gap: 6px; align-items: center;
}
.hero-terminal .bar span { width: 10px; height: 10px; border-radius: 50%; }
.hero-terminal .bar span:nth-child(1) { background: #ff6b6b; }
.hero-terminal .bar span:nth-child(2) { background: #ffd93d; }
.hero-terminal .bar span:nth-child(3) { background: #6bcb77; }
.hero-terminal .bar .title { margin-left: auto; color: var(--text-muted); font-size: .75rem; font-family: var(--mono); }
.hero-terminal pre {
  background: var(--bg-code); padding: 16px 20px; font-family: var(--mono);
  font-size: .85rem; line-height: 1.6; overflow-x: auto;
}

/* Sections */
section { padding: 60px 0; }
section h2 { font-size: 1.75rem; margin-bottom: 24px; }
section h3 { font-size: 1.2rem; margin: 28px 0 12px; color: var(--accent); }

.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px;
  padding: 24px; margin-bottom: 16px;
}
.card h4 { margin-bottom: 8px; }
.card p, .card ul { color: var(--text-muted); font-size: .925rem; }
.card ul { padding-left: 20px; }
.card ul li { margin-bottom: 4px; }

/* Code blocks */
pre, code { font-family: var(--mono); }
code { font-size: .85em; background: var(--bg-code); padding: 2px 6px; border-radius: 4px; }
pre code { background: none; padding: 0; }
pre {
  background: var(--bg-code); border-radius: 8px; padding: 16px 20px;
  overflow-x: auto; font-size: .85rem; line-height: 1.6; margin: 12px 0;
}

/* Tables */
table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .9rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--accent); font-weight: 600; }

/* Grid */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }

/* Footer */
footer {
  border-top: 1px solid var(--border); padding: 32px 0;
  text-align: center; color: var(--text-muted); font-size: .85rem;
}
footer a { color: var(--accent); }