@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  /* Landing page dark theme */
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a24;
  --accent-purple: #a855f7;
  --accent-purple-dim: #7c3aed;
  --accent-blue: #3b82f6;
  --accent-green: #22c55e;
  --accent-orange: #f97316;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #1e293b;
  --gradient-purple: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);
  --gradient-glow: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(168, 85, 247, 0.15), transparent);

  /* Mapped variables for compatibility */
  --bg: var(--bg-dark);
  --bg-alt: #0d0d14;
  --surface: var(--bg-card);
  --ink: var(--text-primary);
  --ink-secondary: var(--text-secondary);
  --ink-muted: var(--text-muted);
  --border: var(--border-color);
  --border-hover: #2d3a4f;
  --accent: var(--accent-purple);
  --accent-hover: #c084fc;
  --accent-muted: rgba(168, 85, 247, 0.15);
  --success: var(--accent-green);
  --warning: #eab308;
  --error: #ef4444;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Animated background grid */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(168, 85, 247, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 85, 247, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 600px;
  background: var(--gradient-glow);
  pointer-events: none;
  z-index: 0;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-hover);
}

/* ===== LAYOUT ===== */
.container {
  position: relative;
  z-index: 1;
  width: min(1140px, calc(100% - 48px));
  margin: 0 auto;
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  height: 32px;
  width: auto;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-toggle:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-secondary);
  border-radius: 8px;
  transition: all 0.15s ease;
}

.site-nav a:hover {
  color: var(--ink);
  background: var(--bg-card);
}

.site-nav a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-muted);
}

/* ===== HERO ===== */
.hero {
  padding: 80px 0 48px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 20px;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.125rem;
  color: var(--ink-secondary);
  max-width: 640px;
  margin: 0 auto 28px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 999px;
}

/* ===== PAGE LAYOUT ===== */
.page {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  padding: 48px 0 96px;
}

/* ===== SIDEBAR ===== */
.sidebar {
  position: sticky;
  top: 80px;
  align-self: start;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.sidebar h3 {
  margin: 0 0 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.sidebar a {
  display: block;
  padding: 8px 12px;
  margin: 0 -12px;
  font-size: 14px;
  color: var(--ink-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.sidebar a:hover {
  color: var(--ink);
  background: var(--bg-card-hover);
}

.sidebar a.active {
  color: var(--accent);
  background: var(--accent-muted);
  font-weight: 500;
}

/* ===== CONTENT ===== */
.content {
  min-width: 0;
}

.section {
  margin-bottom: 56px;
  scroll-margin-top: 100px; /* Account for sticky header */
}

.section[id] {
  scroll-margin-top: 100px;
}

.section:last-child {
  margin-bottom: 0;
}

.section h2 {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--ink);
}

.section p {
  color: var(--ink-secondary);
  margin: 0 0 16px;
}

.section ol,
.section ul {
  color: var(--ink-secondary);
  padding-left: 24px;
  margin: 0 0 16px;
}

.section li {
  margin-bottom: 8px;
}

/* ===== GRID ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

/* ===== CARDS ===== */
.card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--accent-purple-dim);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

a.card {
  display: block;
  color: inherit;
}

a.card:hover {
  transform: translateY(-4px);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.card p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-muted);
}

/* ===== CODE BLOCK (Mac-style) ===== */
.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin: 16px 0;
}

.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border);
}

.code-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27ca40; }

.code-block pre {
  margin: 0;
  padding: 20px;
  background: transparent;
  border: none;
  border-radius: 0;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.7;
}

.code-block pre code {
  color: var(--text-secondary);
}

/* Legacy pre (outside code-block) */
pre {
  margin: 0;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.7;
}

pre code {
  color: var(--text-secondary);
}

code {
  font-family: "JetBrains Mono", "SF Mono", Monaco, "Consolas", monospace;
  font-size: 0.9em;
}

.inline-code {
  padding: 3px 8px;
  font-size: 13px;
  color: var(--accent);
  background: var(--accent-muted);
  border-radius: 6px;
}

/* ===== SYNTAX HIGHLIGHTING ===== */
pre .comment,
.code-block .comment { color: var(--text-muted); }

pre .keyword,
.code-block .keyword { color: var(--accent-purple); }

pre .string,
.code-block .string { color: var(--accent-green); }

pre .number,
.code-block .number { color: var(--accent-orange); }

pre .function,
.code-block .function { color: var(--accent-blue); }

pre .variable,
.code-block .variable { color: #f5c2e7; }

pre .operator,
.code-block .operator { color: #89dceb; }

/* ===== CALLOUT ===== */
.callout {
  padding: 16px 20px;
  margin: 20px 0;
  background: var(--accent-muted);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink-secondary);
  font-size: 14px;
}

.callout strong {
  color: var(--ink);
}

/* ===== TABLE ===== */
.table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

.table th,
.table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.table th {
  font-weight: 600;
  color: var(--ink);
  background: var(--bg-card);
}

.table th:first-child {
  border-radius: var(--radius-sm) 0 0 0;
}

.table th:last-child {
  border-radius: 0 var(--radius-sm) 0 0;
}

.table td {
  color: var(--ink-secondary);
}

.table tbody tr:hover {
  background: var(--bg-card);
}

/* ===== FOOTER ===== */
.footer {
  position: relative;
  z-index: 1;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  color: var(--ink-muted);
  font-size: 14px;
}

.footer a {
  color: var(--ink-secondary);
}

.footer a:hover {
  color: var(--accent);
}

/* ===== WORKFLOW SHOWCASE ===== */
.workflow-showcase {
  margin: 24px 0;
}

.workflow-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.3), 0 0 60px rgba(168, 85, 247, 0.05);
}

.workflow-visual .screenshot {
  border-radius: 8px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--gradient-purple);
  color: white;
  box-shadow: 0 4px 20px rgba(168, 85, 247, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(168, 85, 247, 0.4);
  color: white;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-purple-dim);
  color: var(--text-primary);
}

/* ===== ANIMATIONS ===== */
.fade {
  opacity: 0;
  transform: translateY(16px);
  animation: fadeIn 0.5s ease forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.8s ease-out forwards;
}

.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .page {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .sidebar {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px;
  }

  .sidebar h3 {
    width: 100%;
    margin-bottom: 8px;
  }

  .sidebar a {
    margin: 0;
  }
}

@media (max-width: 720px) {
  .container {
    width: calc(100% - 32px);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 16px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 16px;
  }

  .header-inner {
    position: relative;
    flex-wrap: wrap;
  }

  .hero {
    padding: 48px 0 32px;
    text-align: left;
  }

  .hero-badges {
    justify-content: flex-start;
  }

  .section h2 {
    font-size: 1.5rem;
  }

  pre,
  .code-block pre {
    padding: 16px;
    font-size: 12px;
  }

  .card {
    padding: 20px;
  }
}