:root {
  --bg: #0a0c0f;
  --bg-card: #12161c;
  --border: #1e2630;
  --text: #e8edf4;
  --muted: #8b9aab;
  --accent: #3dd68c;
  --accent-dim: #2a9d63;
  --warn: #f0b429;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

.container { max-width: 960px; margin: 0 auto; padding: 0 1.25rem; }

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  background: rgba(10, 12, 15, 0.92);
  backdrop-filter: blur(8px);
  z-index: 100;
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
}

.logo span { color: var(--accent); }

nav { display: flex; gap: 1.25rem; align-items: center; flex-wrap: wrap; }

nav a { color: var(--muted); font-size: 0.9rem; }
nav a:hover { color: var(--text); text-decoration: none; }

.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  text-decoration: none !important;
}

.btn-primary {
  background: var(--accent);
  color: #041208;
}

.btn-primary:hover { background: var(--accent-dim); color: #041208; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero .lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 36rem;
  margin: 0 auto 1.75rem;
}

.hero .cta { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

section { padding: 2.5rem 0; }

section h2 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
}

.card h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: 0.9rem; }

.steps { counter-reset: step; list-style: none; }
.steps li {
  counter-increment: step;
  padding: 1rem 0 1rem 3rem;
  position: relative;
  border-bottom: 1px solid var(--border);
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1rem;
  width: 2rem;
  height: 2rem;
  background: var(--accent);
  color: #041208;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
}

.doc-body { padding: 2rem 0 4rem; }
.doc-body h1 { font-size: 1.75rem; margin-bottom: 0.5rem; }
.doc-body h2 { font-size: 1.2rem; margin: 2rem 0 0.75rem; border: none; padding: 0; }
.doc-body p, .doc-body li { color: var(--muted); margin-bottom: 0.75rem; }
.doc-body code, .doc-body pre {
  font-family: var(--mono);
  font-size: 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.doc-body code { padding: 0.15rem 0.4rem; }
.doc-body pre {
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
}
.doc-body ul { margin-left: 1.25rem; margin-bottom: 1rem; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  margin-top: 3rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer .inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--warn);
  margin-left: 0.5rem;
}