:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a28;
  --border: #1e1e30;
  --text: #e4e4ed;
  --text-dim: #8888a0;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --green: #00e676;
  --green-dim: #00e67633;
  --orange: #ff9100;
  --red: #ff5252;
  --code-bg: #0d0d15;
  --gradient: linear-gradient(135deg, #6c5ce7, #00e676);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Nav ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
nav .inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
nav .logo {
  font-size: 20px; font-weight: 700; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
nav .logo .mark {
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
nav .links { display: flex; gap: 28px; align-items: center; }
nav .links a { color: var(--text-dim); font-size: 14px; font-weight: 500; }
nav .links a:hover { color: var(--text); text-decoration: none; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 20px; border-radius: 8px; font-weight: 600; font-size: 14px;
  border: none; cursor: pointer; transition: all 0.2s;
}
.btn-primary {
  background: var(--accent); color: #fff;
}
.btn-primary:hover { background: #7c6cf7; text-decoration: none; }
.btn-outline {
  background: transparent; color: var(--accent-light);
  border: 1px solid var(--accent);
}
.btn-outline:hover { background: rgba(108, 92, 231, 0.1); text-decoration: none; }
.btn-large { padding: 14px 32px; font-size: 16px; border-radius: 10px; }

/* ===== Hero ===== */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero .badge {
  display: inline-block;
  padding: 6px 16px; border-radius: 20px;
  background: var(--green-dim); color: var(--green);
  font-size: 13px; font-weight: 600; margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800; line-height: 1.1; margin-bottom: 20px;
  max-width: 800px; margin-left: auto; margin-right: auto;
}
.hero h1 .gradient {
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 18px; color: var(--text-dim);
  max-width: 600px; margin: 0 auto 40px;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Code Demo ===== */
.code-section { padding: 80px 0; }
.code-section h2 { text-align: center; font-size: 32px; margin-bottom: 12px; }
.code-section .subtitle { text-align: center; color: var(--text-dim); margin-bottom: 48px; font-size: 16px; }

.code-compare {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  max-width: 1000px; margin: 0 auto;
}
@media (max-width: 768px) { .code-compare { grid-template-columns: 1fr; } }
.code-block {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
}
.code-block .header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
  font-size: 13px; font-weight: 600;
}
.code-block .header .bad { color: var(--red); }
.code-block .header .good { color: var(--green); }
.code-block pre {
  padding: 16px; overflow-x: auto;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 13px; line-height: 1.7; color: var(--text-dim);
}
.code-block pre .kw { color: var(--accent-light); }
.code-block pre .str { color: var(--green); }
.code-block pre .comment { color: #555; }
.code-block pre .num { color: var(--orange); }

/* ===== Features ===== */
.features { padding: 80px 0; }
.features h2 { text-align: center; font-size: 32px; margin-bottom: 48px; }
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px; padding: 28px;
  transition: all 0.2s;
}
.feature-card:hover { background: var(--bg-card-hover); border-color: var(--accent); }
.feature-card .icon { font-size: 28px; margin-bottom: 12px; }
.feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature-card p { color: var(--text-dim); font-size: 14px; }

/* ===== How It Works ===== */
.how-it-works { padding: 80px 0; }
.how-it-works h2 { text-align: center; font-size: 32px; margin-bottom: 48px; }
.steps {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px; max-width: 1000px; margin: 0 auto;
}
.step {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px; text-align: center;
}
.step .num {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gradient); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px; margin-bottom: 16px;
}
.step h3 { margin-bottom: 8px; font-size: 16px; }
.step p { color: var(--text-dim); font-size: 14px; }

/* ===== Stats ===== */
.stats {
  padding: 60px 0;
  display: flex; justify-content: center; gap: 60px; flex-wrap: wrap;
}
.stat { text-align: center; }
.stat .value {
  font-size: 36px; font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat .label { color: var(--text-dim); font-size: 14px; margin-top: 4px; }

/* ===== CTA ===== */
.cta {
  padding: 80px 0; text-align: center;
}
.cta-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 20px; padding: 60px 40px;
  max-width: 700px; margin: 0 auto;
}
.cta-box h2 { font-size: 28px; margin-bottom: 12px; }
.cta-box p { color: var(--text-dim); margin-bottom: 28px; }

/* ===== Footer ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
  color: var(--text-dim); font-size: 13px;
}
footer a { color: var(--text-dim); }

/* ===== API Docs page ===== */
.docs-layout {
  display: grid; grid-template-columns: 240px 1fr;
  gap: 40px; padding: 100px 0 60px;
  min-height: 100vh;
}
@media (max-width: 768px) { .docs-layout { grid-template-columns: 1fr; } }
.docs-sidebar {
  position: sticky; top: 80px; align-self: start;
}
.docs-sidebar h4 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 1px;
  color: var(--text-dim); margin-bottom: 12px;
}
.docs-sidebar a {
  display: block; padding: 6px 0; font-size: 14px; color: var(--text-dim);
}
.docs-sidebar a:hover, .docs-sidebar a.active { color: var(--accent-light); text-decoration: none; }
.docs-content h2 { font-size: 24px; margin: 40px 0 16px; padding-top: 20px; border-top: 1px solid var(--border); }
.docs-content h2:first-child { border-top: none; margin-top: 0; }
.docs-content h3 { font-size: 18px; margin: 24px 0 8px; color: var(--accent-light); }
.docs-content p { color: var(--text-dim); margin-bottom: 12px; font-size: 15px; }
.docs-content .endpoint {
  display: inline-block; padding: 4px 12px; border-radius: 6px;
  font-family: monospace; font-size: 14px; margin-bottom: 8px;
}
.docs-content .endpoint.post { background: rgba(0, 230, 118, 0.1); color: var(--green); }
.docs-content .endpoint.get { background: rgba(108, 92, 231, 0.1); color: var(--accent-light); }
.docs-content .endpoint.patch { background: rgba(255, 145, 0, 0.1); color: var(--orange); }
.docs-content .endpoint.delete { background: rgba(255, 82, 82, 0.1); color: var(--red); }
.docs-content table {
  width: 100%; border-collapse: collapse; margin: 12px 0 24px;
  font-size: 14px;
}
.docs-content th {
  text-align: left; padding: 8px 12px;
  background: var(--bg-card); color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}
.docs-content td {
  padding: 8px 12px; border-bottom: 1px solid var(--border);
  color: var(--text-dim);
}
.docs-content td code {
  background: var(--code-bg); padding: 2px 6px; border-radius: 4px;
  font-size: 13px;
}

/* ===== Dashboard ===== */
.dash-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px; margin-bottom: 32px;
}
.dash-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px;
}
.dash-card .label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.dash-card .value { font-size: 28px; font-weight: 700; margin-top: 4px; }
.dash-card .value.green { color: var(--green); }
.dash-card .value.accent { color: var(--accent-light); }
.dash-table {
  width: 100%; border-collapse: collapse; font-size: 14px;
}
.dash-table th {
  text-align: left; padding: 12px; color: var(--text-dim);
  border-bottom: 1px solid var(--border); font-weight: 600;
}
.dash-table td { padding: 12px; border-bottom: 1px solid var(--border); }
.dash-table .badge {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  font-size: 12px; font-weight: 600;
}
.dash-table .badge.completed { background: var(--green-dim); color: var(--green); }
.dash-table .badge.pending { background: rgba(255, 145, 0, 0.15); color: var(--orange); }