/* ========================================================================
   CHEST CLI — Design System & Modern UI/UX Stylesheet
   Crafted with high-end glassmorphism, rich dark tones, and micro-interactions
   Zero emojis — Pure Lucide SVG Icons
   ======================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  /* Color Palette: Deep Space & Obsidian */
  --bg-primary: #080a0f;
  --bg-secondary: #0e121b;
  --bg-tertiary: #151a27;
  --bg-elevated: #1a2133;
  --bg-card: rgba(14, 18, 27, 0.72);
  --bg-card-hover: rgba(22, 28, 42, 0.85);

  /* Glassmorphism & Borders */
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(16, 185, 129, 0.35);
  --glass-border-focus: rgba(6, 182, 212, 0.5);
  --glass-blur: blur(16px);

  /* Text & Ink */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #475569;

  /* Accents & Brand */
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.25);
  --accent-emerald-subtle: rgba(16, 185, 129, 0.12);
  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.2);
  --accent-blue: #3b82f6;
  --accent-violet: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  /* Terminal Colors */
  --term-bg: #090c13;
  --term-header: #101420;
  --term-border: rgba(255, 255, 255, 0.1);
  --term-cmd: #38bdf8;
  --term-path: #a7f3d0;
  --term-flag: #fbbf24;
  --term-dim: #64748b;
  --term-ok: #34d399;
  --term-warn: #f59e0b;
  --term-err: #f87171;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background Ambient Glows */
body::before {
  content: '';
  position: fixed;
  top: -15%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 550px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.09) 0%, rgba(6, 182, 212, 0.05) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
}

body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  right: -10%;
  width: 700px;
  height: 500px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
  filter: blur(90px);
}

.ambient-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* Global Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Lucide Icon Default Styling */
.lucide, [data-lucide] {
  width: 1.15em;
  height: 1.15em;
  stroke-width: 2px;
  display: inline-block;
  vertical-align: -0.2em;
  flex-shrink: 0;
}

/* ========================================================================
   Navigation Bar
   ======================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  background: rgba(8, 10, 15, 0.82);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-logo-img {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(16, 185, 129, 0.3));
}

.brand-tag {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--accent-emerald-subtle);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--accent-emerald);
  background: var(--accent-emerald-subtle);
}

.nav-cta {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff !important;
  font-weight: 600;
  box-shadow: 0 2px 12px rgba(16, 185, 129, 0.28);
}

.nav-cta:hover {
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(16, 185, 129, 0.4);
}

/* ========================================================================
   Hero Section
   ======================================================================== */
.hero {
  padding: 84px 0 64px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--accent-emerald);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.12);
  transition: all var(--transition-normal);
}

.hero-pill:hover {
  border-color: var(--accent-emerald);
  transform: scale(1.02);
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  max-width: 980px;
  margin: 0 auto 24px;
}

.gradient-text {
  background: linear-gradient(135deg, #34d399 0%, #06b6d4 50%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.hero-desc {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 40px;
  font-weight: 400;
  line-height: 1.6;
}

/* Quick Installation Card */
.install-container {
  max-width: 760px;
  margin: 0 auto 56px;
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  transition: border-color var(--transition-normal);
}

.install-container:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.install-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--glass-border);
}

.install-tabs {
  display: flex;
  gap: 6px;
}

.install-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.install-tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.install-tab-btn.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.09);
  font-weight: 600;
}

.install-body {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(0, 0, 0, 0.35);
}

.install-command {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #e2e8f0;
  word-break: break-all;
  display: flex;
  align-items: center;
  gap: 10px;
}

.install-prompt-symbol {
  color: var(--accent-emerald);
  user-select: none;
  font-weight: 700;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.copy-btn.copied {
  background: var(--accent-emerald);
  border-color: var(--accent-emerald);
  color: #ffffff;
}

.install-caption {
  padding: 10px 24px 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: left;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

/* ========================================================================
   Interactive Terminal Demo
   ======================================================================== */
.terminal-window {
  max-width: 980px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  background: var(--term-bg);
  border: 1px solid var(--term-border);
  box-shadow: 0 24px 64px -12px rgba(0, 0, 0, 0.75), 0 0 32px -4px rgba(16, 185, 129, 0.12);
  overflow: hidden;
  text-align: left;
  transition: all var(--transition-normal);
}

.terminal-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--term-header);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.term-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.term-dot-red { background: #ef4444; }
.term-dot-yellow { background: #f59e0b; }
.term-dot-green { background: #10b981; }

.terminal-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.term-selector-tabs {
  display: flex;
  gap: 6px;
  padding: 10px 18px;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  overflow-x: auto;
}

.term-cmd-chip {
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.term-cmd-chip:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.term-cmd-chip.active {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
  color: var(--accent-emerald);
  font-weight: 600;
}

.terminal-content {
  padding: 24px 28px;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.7;
  color: #cbd5e1;
  min-height: 260px;
  overflow-x: auto;
}

.term-ln {
  display: block;
}

.t-prompt { color: var(--accent-emerald); font-weight: 700; }
.t-cmd { color: var(--term-cmd); font-weight: 600; }
.t-flag { color: var(--term-flag); }
.t-path { color: var(--term-path); }
.t-dim { color: var(--term-dim); }
.t-ok { color: var(--term-ok); font-weight: 600; }
.t-warn { color: var(--term-warn); font-weight: 600; }
.t-err { color: var(--term-err); font-weight: 600; }
.t-key { color: #e2e8f0; font-weight: 600; }
.t-arrow { color: var(--accent-cyan); font-weight: 700; }

/* ========================================================================
   Feature Cards Grid (Glass Cards)
   ======================================================================== */
.section {
  padding: 96px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--accent-emerald);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.grid-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.5), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.5), 0 0 24px -4px rgba(16, 185, 129, 0.12);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.feature-icon-box.cyan {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-cyan);
  border-color: rgba(6, 182, 212, 0.2);
}

.feature-icon-box.purple {
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-violet);
  border-color: rgba(139, 92, 246, 0.2);
}

.feature-icon-box.amber {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-amber);
  border-color: rgba(245, 158, 11, 0.2);
}

.feature-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.feature-card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ========================================================================
   Interactive Command Reference Grid
   ======================================================================== */
.commands-catalog {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.cmd-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition-fast);
}

.cmd-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: var(--bg-card-hover);
}

.cmd-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.cmd-tag {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.cmd-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.cmd-snippet {
  background: rgba(0, 0, 0, 0.45);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--term-cmd);
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ========================================================================
   Documentation Layout & Sidebar
   ======================================================================== */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  padding: 48px 0 96px;
}

.docs-sidebar {
  position: sticky;
  top: 96px;
  height: calc(100vh - 120px);
  overflow-y: auto;
  padding-right: 16px;
}

.docs-nav-group {
  margin-bottom: 28px;
}

.docs-group-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.docs-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.docs-nav-link {
  display: block;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: all var(--transition-fast);
}

.docs-nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.docs-nav-link.is-active {
  color: var(--accent-emerald);
  background: var(--accent-emerald-subtle);
  font-weight: 600;
}

.docs-content {
  min-width: 0;
}

.docs-article {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.docs-article h2 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 40px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 10px;
}

.docs-article h2:first-of-type {
  margin-top: 0;
}

.docs-article h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: #e2e8f0;
}

.docs-article h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 20px 0 8px;
  color: var(--accent-cyan);
}

.docs-article p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

/* Code Blocks & Syntax Highlighting */
.code-block-wrapper {
  position: relative;
  margin: 16px 0 24px;
}

pre.code-block, .code-block {
  background: var(--term-bg);
  border: 1px solid var(--term-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.65;
  color: #e2e8f0;
  overflow-x: auto;
  white-space: pre;
  position: relative;
  tab-size: 2;
  margin: 0;
}

pre.code-block code {
  font-family: inherit;
  white-space: inherit;
  color: inherit;
  display: block;
}

/* Copy Button on Code Block */
.code-copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all var(--transition-fast);
  z-index: 2;
  user-select: none;
}

.code-copy-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.code-copy-btn.copied {
  background: var(--accent-emerald);
  color: #ffffff;
  border-color: var(--accent-emerald);
}

/* Syntax Highlighting Tokens */
.t-prompt { color: var(--accent-emerald); font-weight: 700; user-select: none; margin-right: 6px; }
.t-cmd { color: #38bdf8; font-weight: 600; }
.t-subcmd { color: #7dd3fc; font-weight: 600; }
.t-flag { color: #fbbf24; font-weight: 500; }
.t-path { color: #a7f3d0; }
.t-str { color: #86efac; }
.t-pipe { color: #f472b6; font-weight: 700; }
.t-comment { color: #64748b; font-style: italic; }
.t-key { color: #c084fc; font-weight: 600; }
.t-type { color: #38bdf8; font-weight: 600; }
.t-fn { color: #facc15; font-weight: 600; }
.t-num { color: #fb923c; }
.t-json-key { color: #38bdf8; font-weight: 600; }


.callout-box {
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 20px 0 24px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.callout-box.info {
  background: rgba(6, 182, 212, 0.06);
  border-color: rgba(6, 182, 212, 0.25);
}

.callout-box.warn {
  background: rgba(245, 158, 11, 0.06);
  border-color: rgba(245, 158, 11, 0.25);
}

/* Definition lists / Flag tables */
.flag-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.9rem;
}

.flag-table th {
  text-align: left;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.flag-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
}

.flag-badge {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--term-flag);
  background: rgba(245, 158, 11, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(245, 158, 11, 0.2);
  white-space: nowrap;
}

/* ========================================================================
   Footer
   ======================================================================== */
.site-footer {
  border-top: 1px solid var(--glass-border);
  background: rgba(8, 10, 15, 0.9);
  padding: 64px 0 32px;
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  max-width: 380px;
  line-height: 1.6;
}

.footer-col-title {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Responsive Styles */
@media (max-width: 900px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }
  .docs-sidebar {
    position: static;
    height: auto;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 24px;
    margin-bottom: 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .install-body {
    flex-direction: column;
    align-items: stretch;
  }
  .copy-btn {
    justify-content: center;
  }
  .nav-links {
    display: none;
  }
  .docs-article {
    padding: 24px 18px;
  }
}