*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --indigo-50: #eef2ff;
  --indigo-100: #e0e7ff;
  --indigo-400: #818cf8;
  --indigo-500: #6366f1;
  --indigo-600: #4f46e5;
  --indigo-700: #4338ca;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
pre, code, .mono, .code-block { font-family: 'JetBrains Mono', 'Fira Code', monospace; }

/* Navigation */
nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-200);
}
nav .container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 56px;
}
nav .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
nav .logo img { height: 32px; width: auto; }
nav .logo span { font-weight: 700; font-size: 1.1rem; color: var(--gray-900); }
nav .nav-links { display: flex; gap: 24px; list-style: none; }
nav .nav-links a {
  text-decoration: none; font-size: .9rem; font-weight: 500;
  color: var(--gray-600); transition: color .15s;
}
nav .nav-links a:hover, nav .nav-links a.active { color: var(--indigo-600); }

/* Hero */
.hero {
  text-align: center; padding: 96px 24px 64px;
  background: linear-gradient(135deg, #eef2ff 0%, #f9fafb 100%);
}
.hero img { display: block; margin: 0 auto 24px; height: 30vh; }
.hero h1 { font-size: 3rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.15; }
.hero h1 span { color: var(--indigo-600); }
.hero p { font-size: 1.2rem; color: var(--gray-600); max-width: 640px; margin: 16px auto 32px; }
.hero .badge {
  display: inline-block; background: var(--indigo-100); color: var(--indigo-700);
  padding: 4px 12px; border-radius: 999px; font-size: .85rem; font-weight: 600;
  margin-bottom: 16px;
}
.hero-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 24px; border-radius: 8px; font-size: .95rem; font-weight: 600;
  text-decoration: none; transition: all .15s; border: none; cursor: pointer;
}
.btn-primary { background: var(--indigo-600); color: #fff; }
.btn-primary:hover { background: var(--indigo-700); transform: translateY(-1px); }
.btn-secondary { background: #fff; color: var(--gray-700); border: 1px solid var(--gray-200); }
.btn-secondary:hover { background: var(--gray-50); border-color: var(--gray-300); }

/* Sections */
.section { max-width: 1200px; margin: 0 auto; padding: 72px 24px; }
.section-title { font-size: 1.75rem; font-weight: 700; margin-bottom: 8px; }
.section-subtitle { font-size: 1.05rem; color: var(--gray-500); margin-bottom: 48px; max-width: 560px; }

/* Feature cards */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.feature-card {
  background: #fff; border: 1px solid var(--gray-200); border-radius: 12px;
  padding: 28px; transition: box-shadow .2s, transform .2s;
}
.feature-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,.06); transform: translateY(-2px); }
.feature-card .icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--indigo-50); color: var(--indigo-600);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; margin-bottom: 16px;
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { font-size: .9rem; color: var(--gray-600); line-height: 1.55; }

/* Workflow steps */
.steps { display: flex; flex-direction: column; gap: 0; counter-reset: step; }
.step {
  display: flex; gap: 20px; padding: 24px 0;
  border-left: 2px solid var(--gray-200); padding-left: 28px; margin-left: 20px;
  position: relative;
}
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: -14px; top: 24px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--indigo-600); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700;
}
.step:last-child { border-left-color: transparent; }
.step h3 { font-size: 1rem; margin-bottom: 4px; }
.step p { font-size: .9rem; color: var(--gray-600); }

/* Screenshot section */
.screenshot-section { background: #fff; border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200); }
.screenshot-section .section { text-align: center; }
.screenshot-section img {
  max-width: 100%; border-radius: 12px; border: 1px solid var(--gray-200);
  box-shadow: 0 8px 32px rgba(0,0,0,.08);
}

/* Code blocks */
.code-block {
  background: var(--gray-900); color: #e5e7eb; border-radius: 10px;
  padding: 20px 24px; overflow-x: auto; font-size: .85rem; line-height: 1.7;
  margin: 16px 0;
}
.code-block .comment { color: #6b7280; }
.code-block .keyword { color: #818cf8; }
.code-block .string { color: #34d399; }

/* Footer */
footer {
  text-align: center; padding: 40px 24px;
  color: var(--gray-400); font-size: .85rem;
  border-top: 1px solid var(--gray-200);
}
footer a { color: var(--indigo-500); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  nav .nav-links { display: none; }
}

/* --- Doc pages --- */
.doc-layout { display: flex; max-width: 1200px; margin: 0 auto; padding: 48px 24px; gap: 48px; }
.doc-sidebar { width: 240px; flex-shrink: 0; }
.doc-sidebar h4 { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--gray-400); margin-bottom: 12px; }
.doc-sidebar ul { list-style: none; }
.doc-sidebar li { margin-bottom: 4px; }
.doc-sidebar a {
  display: block; padding: 6px 12px; border-radius: 6px;
  font-size: .875rem; color: var(--gray-600); text-decoration: none; transition: all .1s;
}
.doc-sidebar a:hover, .doc-sidebar a.active { background: var(--indigo-50); color: var(--indigo-700); }
.doc-content { flex: 1; min-width: 0; }
.doc-content h1 { font-size: 2rem; font-weight: 800; margin-bottom: 24px; }
.doc-content h2 { font-size: 1.4rem; font-weight: 700; margin-top: 40px; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--gray-200); }
.doc-content h3 { font-size: 1.1rem; font-weight: 600; margin-top: 28px; margin-bottom: 8px; }
.doc-content p { margin-bottom: 16px; color: var(--gray-700); }
.doc-content ul, .doc-content ol { margin: 0 0 16px 24px; color: var(--gray-700); }
.doc-content li { margin-bottom: 6px; }
.doc-content code {
  background: var(--gray-100); padding: 2px 6px; border-radius: 4px;
  font-size: .85em; color: var(--indigo-700);
}
.doc-content pre code { background: none; padding: 0; color: inherit; }
.doc-content .code-block code { background: none; padding: 0; }
.doc-content strong { color: var(--gray-900); }
.doc-content a { color: var(--indigo-600); }
.doc-content a:hover { text-decoration: underline; }

@media (max-width: 768px) {
  .doc-layout { flex-direction: column; padding: 24px 16px; gap: 24px; }
  .doc-sidebar { width: 100%; }
}