/* =============================================
   CHAI-TAILWIND DOCS — style.css
   ============================================= */

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: #0d0f14;
  color: #e2e8f0;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── CSS VARIABLES ── */
:root {
  --amber:    #f59e0b;
  --amber-l:  #fcd34d;
  --amber-d:  #b45309;
  --bg:       #0d0f14;
  --bg-card:  #141720;
  --bg-card2: #1a1e2a;
  --border:   #1e2330;
  --border-l: #252d3d;
  --text:     #e2e8f0;
  --text-muted: #64748b;
  --text-soft: #94a3b8;
  --accent:   #f59e0b;
  --radius:   12px;
  --radius-lg: 18px;
  --shadow:   0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.5);
  --font-mono: 'JetBrains Mono', monospace;
  --font-display: 'Syne', sans-serif;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-l); border-radius: 3px; }

/* ───────────────────────────────────────
   CHAI UTILITY CLASSES (the framework!)
─────────────────────────────────────── */

/* Padding */
.chai-p-1  { padding: 4px !important; }
.chai-p-2  { padding: 8px !important; }
.chai-p-4  { padding: 16px !important; }
.chai-p-6  { padding: 24px !important; }
.chai-p-8  { padding: 32px !important; }
.chai-px-1 { padding-left: 4px !important; padding-right: 4px !important; }
.chai-px-2 { padding-left: 8px !important; padding-right: 8px !important; }
.chai-px-4 { padding-left: 16px !important; padding-right: 16px !important; }
.chai-px-6 { padding-left: 24px !important; padding-right: 24px !important; }
.chai-py-1 { padding-top: 4px !important; padding-bottom: 4px !important; }
.chai-py-2 { padding-top: 8px !important; padding-bottom: 8px !important; }
.chai-py-4 { padding-top: 16px !important; padding-bottom: 16px !important; }
.chai-pt-4 { padding-top: 16px !important; }
.chai-pb-4 { padding-bottom: 16px !important; }

/* Margin */
.chai-m-1  { margin: 4px !important; }
.chai-m-2  { margin: 8px !important; }
.chai-m-4  { margin: 16px !important; }
.chai-mx-4 { margin-left: 16px !important; margin-right: 16px !important; }
.chai-my-4 { margin-top: 16px !important; margin-bottom: 16px !important; }
.chai-mt-4 { margin-top: 16px !important; }
.chai-mb-4 { margin-bottom: 16px !important; }

/* Background Colors */
.chai-bg-red    { background-color: #ef4444 !important; }
.chai-bg-orange { background-color: #f97316 !important; }
.chai-bg-amber  { background-color: #f59e0b !important; }
.chai-bg-yellow { background-color: #eab308 !important; }
.chai-bg-green  { background-color: #22c55e !important; }
.chai-bg-teal   { background-color: #14b8a6 !important; }
.chai-bg-blue   { background-color: #3b82f6 !important; }
.chai-bg-purple { background-color: #a855f7 !important; }
.chai-bg-pink   { background-color: #ec4899 !important; }
.chai-bg-gray   { background-color: #6b7280 !important; }
.chai-bg-white  { background-color: #ffffff !important; }
.chai-bg-black  { background-color: #0f172a !important; }

/* Text Colors */
.chai-text-red    { color: #ef4444 !important; }
.chai-text-orange { color: #f97316 !important; }
.chai-text-amber  { color: #f59e0b !important; }
.chai-text-yellow { color: #eab308 !important; }
.chai-text-green  { color: #22c55e !important; }
.chai-text-teal   { color: #14b8a6 !important; }
.chai-text-blue   { color: #3b82f6 !important; }
.chai-text-purple { color: #a855f7 !important; }
.chai-text-pink   { color: #ec4899 !important; }
.chai-text-gray   { color: #6b7280 !important; }
.chai-text-white  { color: #ffffff !important; }
.chai-text-black  { color: #0f172a !important; }

/* Font Sizes */
.chai-text-xs   { font-size: 12px !important; }
.chai-text-sm   { font-size: 14px !important; }
.chai-text-base { font-size: 16px !important; }
.chai-text-lg   { font-size: 18px !important; }
.chai-text-xl   { font-size: 20px !important; }
.chai-text-2xl  { font-size: 24px !important; }
.chai-text-3xl  { font-size: 30px !important; }

/* Text Alignment */
.chai-text-left   { text-align: left !important; }
.chai-text-center { text-align: center !important; }
.chai-text-right  { text-align: right !important; }

/* Font Weight */
.chai-font-light  { font-weight: 300 !important; }
.chai-font-medium { font-weight: 500 !important; }
.chai-font-bold   { font-weight: 700 !important; }

/* Line Height */
.chai-leading-tight  { line-height: 1.2 !important; }
.chai-leading-normal { line-height: 1.5 !important; }
.chai-leading-loose  { line-height: 2 !important; }

/* Letter Spacing */
.chai-tracking-tight { letter-spacing: -0.025em !important; }
.chai-tracking-wide  { letter-spacing: 0.05em !important; }

/* Border Width */
.chai-border   { border: 1px solid currentColor !important; }
.chai-border-2 { border-width: 2px !important; border-style: solid !important; }
.chai-border-4 { border-width: 4px !important; border-style: solid !important; }
.chai-border-8 { border-width: 8px !important; border-style: solid !important; }

/* Border Colors */
.chai-border-red    { border-color: #ef4444 !important; }
.chai-border-blue   { border-color: #3b82f6 !important; }
.chai-border-green  { border-color: #22c55e !important; }
.chai-border-yellow { border-color: #eab308 !important; }
.chai-border-gray   { border-color: #6b7280 !important; }
.chai-border-black  { border-color: #0f172a !important; }
.chai-border-purple { border-color: #a855f7 !important; }
.chai-border-amber  { border-color: #f59e0b !important; }
.chai-border-white  { border-color: #ffffff !important; }

/* Border Radius */
.chai-rounded-sm   { border-radius: 2px !important; }
.chai-rounded      { border-radius: 4px !important; }
.chai-rounded-lg   { border-radius: 8px !important; }
.chai-rounded-xl   { border-radius: 16px !important; }
.chai-rounded-full { border-radius: 9999px !important; }

/* Display */
.chai-block       { display: block !important; }
.chai-inline      { display: inline !important; }
.chai-flex        { display: flex !important; }
.chai-hidden      { display: none !important; }

/* Flexbox */
.chai-justify-center  { justify-content: center !important; }
.chai-justify-between { justify-content: space-between !important; }
.chai-items-center    { align-items: center !important; }
.chai-items-start     { align-items: flex-start !important; }
.chai-items-end       { align-items: flex-end !important; }

/* Width */
.chai-w-10   { width: 40px !important; }
.chai-w-50   { width: 50% !important; }
.chai-w-full { width: 100% !important; }

/* Height */
.chai-h-10 { height: 40px !important; }
.chai-h-50 { height: 50% !important; }

/* Position */
.chai-relative { position: relative !important; }
.chai-absolute { position: absolute !important; }
.chai-fixed    { position: fixed !important; }
.chai-top-0    { top: 0 !important; }
.chai-top-10   { top: 40px !important; }
.chai-left-0   { left: 0 !important; }
.chai-right-0  { right: 0 !important; }
.chai-bottom-0 { bottom: 0 !important; }

/* Opacity */
.chai-opacity-50 { opacity: 0.5 !important; }
.chai-opacity-75 { opacity: 0.75 !important; }


/* ───────────────────────────────────────
   LAYOUT HELPERS
─────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ───────────────────────────────────────
   NAV
─────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0;
  background: rgba(13, 15, 20, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
.nav.scrolled {
  background: rgba(13, 15, 20, 0.95);
  box-shadow: 0 4px 32px rgba(0,0,0,0.5);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}
.logo-icon { font-size: 20px; }
.logo-accent { color: var(--amber); }
.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 14px;
  border-radius: 8px;
  transition: all 0.2s;
  font-weight: 400;
}
.nav-links a:hover { color: var(--text); background: var(--border); }
.nav-github {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-github:hover { color: var(--text); }
.nav-cta {
  color: var(--bg);
  background: var(--amber);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 8px;
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--amber-l); transform: translateY(-1px); }

/* ───────────────────────────────────────
   HERO
─────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,158,11,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,158,11,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  z-index: 0;
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  z-index: 0;
  pointer-events: none;
}
.hero-glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,0.12) 0%, transparent 70%);
  top: -100px; left: 50%; transform: translateX(-50%);
}
.hero-glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 70%);
  bottom: 0; right: 10%;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid rgba(245,158,11,0.3);
  background: rgba(245,158,11,0.08);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  animation: fadeDown 0.6s ease both;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 80px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
  animation: fadeDown 0.6s 0.1s ease both;
}
.hero-title-accent {
  background: linear-gradient(135deg, var(--amber) 0%, #fb923c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-soft);
  line-height: 1.7;
  margin-bottom: 40px;
  font-weight: 300;
  animation: fadeDown 0.6s 0.2s ease both;
}
.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 64px;
  animation: fadeDown 0.6s 0.3s ease both;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--amber);
  color: #0d0f14;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.2s;
  box-shadow: 0 0 32px rgba(245,158,11,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 48px rgba(245,158,11,0.45); background: var(--amber-l); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border-radius: 10px;
  border: 1px solid var(--border-l);
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-ghost:hover { background: var(--bg-card); color: var(--text); border-color: var(--border-l); }

/* Hero Demo */
.hero-demo {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: left;
  animation: fadeUp 0.7s 0.4s ease both;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.demo-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 14px 20px 10px;
  border-bottom: 1px solid var(--border);
}
.demo-inner { padding: 24px; display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.demo-preview-wrap {
  flex: 0 0 auto;
  min-width: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: 10px;
  padding: 24px;
  border: 1px solid var(--border);
}
.demo-controls { flex: 1; min-width: 200px; }
.demo-control-label {
  font-size: 12px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 12px;
}
.demo-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.demo-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-l);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.demo-tag.active {
  background: rgba(245,158,11,0.12);
  border-color: rgba(245,158,11,0.4);
  color: var(--amber);
}
.demo-tag:hover { border-color: var(--amber); color: var(--amber); }

/* ───────────────────────────────────────
   SECTIONS
─────────────────────────────────────── */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.25);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px;
  color: var(--text-soft);
  max-width: 520px;
  margin: 0 auto;
  font-weight: 300;
}

/* ───────────────────────────────────────
   PLAYGROUND
─────────────────────────────────────── */
.playground-section { background: var(--bg); }
.playground-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 20px;
  align-items: start;
}
@media(max-width: 900px) { .playground-grid { grid-template-columns: 1fr; } }

.pg-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.pg-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 10px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.pg-tab {
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.pg-tab:hover { color: var(--text); background: var(--border); }
.pg-tab.active { background: var(--amber); color: #0d0f14; }
.pg-tab-content { display: none; padding: 20px; }
.pg-tab-content.active { display: block; }

.util-group { margin-bottom: 20px; }
.util-group:last-child { margin-bottom: 0; }
.util-group-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.util-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-l);
  background: var(--bg);
  color: var(--text-soft);
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
}
.chip:hover { border-color: var(--amber); color: var(--amber); transform: translateY(-1px); background: rgba(245,158,11,0.06); }
.chip.chip-active {
  background: rgba(245,158,11,0.14);
  border-color: var(--amber);
  color: var(--amber);
  box-shadow: 0 0 12px rgba(245,158,11,0.15);
}

/* Preview Area */
.pg-preview-area {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: 84px;
}
.pg-preview-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.pg-preview-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.pg-actions { display: flex; gap: 8px; }
.pg-action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-soft);
  background: var(--border);
  border: none;
  padding: 6px 12px;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.2s;
}
.pg-action-btn:hover { background: var(--border-l); color: var(--text); }
.pg-action-reset { color: #f87171 !important; }
.pg-action-reset:hover { background: rgba(248,113,113,0.12) !important; }

.pg-canvas {
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  background: repeating-conic-gradient(#1a1e2a 0% 25%, #141720 0% 50%) 0 0 / 20px 20px;
}
.pg-box {
  min-width: 80px;
  min-height: 40px;
  padding: 16px;
  background: var(--amber);
  color: #0d0f14;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  word-break: break-all;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.pg-class-display {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.pg-class-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 8px;
}
.pg-class-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  min-height: 28px;
}
.pg-class-empty {
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
}
.pg-class-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.25);
  color: var(--amber);
  padding: 2px 8px;
  border-radius: 4px;
}

.pg-preview-text-wrap {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.pg-text-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.pg-text-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border-l);
  color: var(--text);
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 7px;
  font-family: inherit;
  transition: border-color 0.2s;
}
.pg-text-input:focus { outline: none; border-color: var(--amber); }

/* ───────────────────────────────────────
   EDITOR
─────────────────────────────────────── */
.editor-section { background: #0a0c10; }
.editor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
@media(max-width: 768px) { .editor-grid { grid-template-columns: 1fr; } }

.editor-panel {
  background: #0f1117;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.editor-panel-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #0a0c10;
  border-bottom: 1px solid var(--border);
}
.editor-dots { display: flex; gap: 6px; }
.dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.dot-red    { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green  { background: #28c840; }
.editor-filename {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}
.editor-textarea {
  width: 100%;
  min-height: 340px;
  background: transparent;
  border: none;
  color: #a9d4a9;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  padding: 20px;
  resize: vertical;
  tab-size: 2;
}
.editor-textarea:focus { outline: none; }

.editor-output {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.editor-output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg);
}
.editor-preview-frame {
  padding: 32px 24px;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: repeating-conic-gradient(#1a1e2a 0% 25%, #141720 0% 50%) 0 0 / 20px 20px;
}

.editor-snippets {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.editor-snippet-label {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  font-weight: 600;
}
.snippet-btn {
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-l);
  background: var(--bg-card);
  color: var(--text-soft);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.snippet-btn:hover {
  background: rgba(245,158,11,0.08);
  border-color: rgba(245,158,11,0.3);
  color: var(--amber);
}

/* ───────────────────────────────────────
   DOCS
─────────────────────────────────────── */
.docs-section { background: var(--bg); }
.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media(max-width: 1024px) {
  .docs-grid { grid-template-columns: repeat(2, 1fr); }
}
@media(max-width: 640px) {
  .docs-grid { grid-template-columns: 1fr; }
}
.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.25s;
}
.doc-card:hover {
  border-color: rgba(245,158,11,0.25);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.doc-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.doc-icon { font-size: 22px; }
.doc-card-header h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}
.doc-desc {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.6;
  margin-bottom: 20px;
}
.doc-table {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 16px;
}
.doc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  gap: 8px;
  align-items: baseline;
}
.doc-row:last-child { border-bottom: none; }
.doc-row-header {
  background: var(--bg);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
.doc-row-header span {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-family: inherit;
}
.doc-row code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}
.doc-row span {
  font-size: 12px;
  color: var(--text-soft);
  font-family: var(--font-mono);
}
.doc-example {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}

/* ───────────────────────────────────────
   INSTALL
─────────────────────────────────────── */
.install-section {
  background: #0a0c10;
}
.install-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.install-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.25s;
}
.install-card:hover { border-color: rgba(245,158,11,0.25); }
.install-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.install-icon { font-size: 24px; }
.install-card-header h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}
.install-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
  margin-top: 16px;
}
.install-note code {
  font-family: var(--font-mono);
  color: var(--amber);
  font-size: 12px;
}
.code-block {
  position: relative;
  background: #0a0c10;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  padding-right: 70px;
  margin-bottom: 0;
}
.code-block-multi { padding-right: 16px; }
.code-block code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: #a9d4a9;
  white-space: pre-wrap;
  word-break: break-all;
  display: block;
}
.copy-btn {
  position: absolute;
  top: 10px; right: 10px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--border);
  border: none;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.copy-btn:hover { color: var(--amber); background: rgba(245,158,11,0.12); }
.code-block-multi .copy-btn { top: 10px; right: 10px; }

/* ───────────────────────────────────────
   FOOTER
─────────────────────────────────────── */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 56px 24px;
  text-align: center;
}
.footer-inner {
  max-width: 600px;
  margin: 0 auto;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.footer-links {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-soft);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 7px;
  transition: all 0.2s;
}
.footer-links a:hover { color: var(--amber); background: rgba(245,158,11,0.08); }
.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

/* ───────────────────────────────────────
   TOAST
─────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--amber);
  color: #0d0f14;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 24px;
  border-radius: 100px;
  box-shadow: 0 8px 32px rgba(245,158,11,0.4);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ───────────────────────────────────────
   ANIMATIONS
─────────────────────────────────────── */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Intersection observer reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ───────────────────────────────────────
   RESPONSIVE
─────────────────────────────────────── */
@media(max-width: 768px) {
  .nav-links { display: none; }
  .hero-subtitle br { display: none; }
  .demo-inner { flex-direction: column; }
  .demo-preview-wrap { width: 100%; }
}