:root {
  --bg: #0d1117;
  --bg-alt: #161b22;
  --surface: #1c2330;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-2: #d2a8ff;
  --ok: #3fb950;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  background: rgba(110, 118, 129, 0.2);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  font-size: 0.9em;
}

pre {
  background: #010409;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-size: 0.9rem;
}
pre code { background: transparent; padding: 0; }

.hero {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(88, 166, 255, 0.2), transparent 60%),
    radial-gradient(900px 500px at 10% 10%, rgba(210, 168, 255, 0.15), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}
.brand { font-weight: 700; color: var(--text); font-size: 1.05rem; }
.nav-links a { margin-left: 1.5rem; color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
  text-align: center;
}
.badge {
  display: inline-block;
  background: rgba(88, 166, 255, 0.1);
  border: 1px solid rgba(88, 166, 255, 0.3);
  color: var(--accent);
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.15;
  margin: 1.25rem auto 1rem;
  max-width: 18ch;
  letter-spacing: -0.02em;
}
.grad {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  max-width: 60ch;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.1rem;
}
.cta { margin: 2rem 0 2.5rem; display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.7rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  transition: transform 0.1s ease, background 0.2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn.primary { background: var(--accent); color: #0d1117; border-color: var(--accent); }
.btn.primary:hover { background: #79b8ff; }
.btn.ghost { background: transparent; color: var(--text); }
.btn.ghost:hover { background: var(--surface); }

.hero-code {
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
  box-shadow: var(--shadow);
}
.hero-code .c { color: var(--accent-2); }
.hero-code .dim { color: var(--muted); }
.hero-code .ok { color: var(--ok); }

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}
.section.alt {
  background: var(--bg-alt);
  max-width: none;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section.alt > * { max-width: 1100px; margin-left: auto; margin-right: auto; }
.section h2 {
  font-size: 2rem;
  letter-spacing: -0.01em;
  margin: 0 0 2.5rem;
  text-align: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card .icon { font-size: 1.75rem; margin-bottom: 0.5rem; }
.card h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.steps li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.steps span {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0d1117;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.steps strong { display: block; margin-bottom: 0.25rem; }
.steps p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.qs {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2rem;
}
.qs h3 { margin-top: 0; }
.qs ul { padding-left: 1.25rem; color: var(--muted); }
.qs li { margin-bottom: 0.4rem; }
.docs-link { text-align: center; margin-top: 2.5rem; color: var(--muted); }

@media (max-width: 700px) {
  .qs { grid-template-columns: 1fr; }
  .nav-links a { margin-left: 1rem; }
  .nav-links a:first-child { margin-left: 0; }
}

.footer {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}
.footer p { margin: 0.25rem 0; }