/* ==========================================================================
   CF-PROXY DESIGN SYSTEM
   Inspired by Cloudflare (www.cloudflare.com) & Laravel (laravel.com)
   Strict Rules:
   - ZERO rounded corners (border-radius: 0px everywhere)
   - ZERO glowing effects / blur shadows
   - ZERO glassmorphism (solid opaque surfaces)
   - High contrast, crisp 1px borders, enterprise developer precision
   ========================================================================== */

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

:root {
  /* Dark Mode (Default) */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-tertiary: #162032;
  --bg-card: #0f172a;
  --bg-code: #030712;
  --bg-hover: #1e293b;
  
  --border-color: #1e293b;
  --border-strong: #334155;
  --border-accent: #f38020;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0b0f19;
  
  --cf-orange: #f38020;
  --cf-orange-hover: #d96b00;
  --cf-orange-subtle: #2b1d14;
  --laravel-red: #ff2d20;
  --laravel-red-subtle: #2d1413;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-yellow: #f59e0b;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Monaco, Consolas, monospace;
  
  --container-max: 1200px;
  --header-height: 64px;
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-code: #0f172a;
  --bg-hover: #e2e8f0;
  
  --border-color: #e2e8f0;
  --border-strong: #cbd5e1;
  --border-accent: #f38020;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  
  --cf-orange: #f38020;
  --cf-orange-hover: #d96b00;
  --cf-orange-subtle: #fff7ed;
  --laravel-red: #ff2d20;
  --laravel-red-subtle: #fef2f2;
}

/* --------------------------------------------------------------------------
   RESET & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* STRICT: ZERO ROUNDED EDGES */
  box-shadow: none !important; /* STRICT: ZERO GLOW / BLUR SHADOWS */
  backdrop-filter: none !important; /* STRICT: ZERO GLASSMORPHISM */
  -webkit-backdrop-filter: none !important;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

code, pre, kbd {
  font-family: var(--font-mono);
}

::selection {
  background: var(--cf-orange);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   LAYOUT UTILITIES
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --------------------------------------------------------------------------
   TOP NAVBAR (Cloudflare / Laravel style)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--cf-orange);
  color: #ffffff;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  border: 1px solid #ffffff20;
}

.brand-text {
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 6px;
  background-color: var(--bg-tertiary);
  color: var(--cf-orange);
  border: 1px solid var(--border-strong);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.15s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  border-bottom-color: var(--cf-orange);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.theme-toggle-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 6px 10px;
  font-size: 1.1rem;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   BUTTONS (Strict sharp rectangles, crisp hover inversions)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 20px;
  border: 1px solid transparent;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all 0.15s ease;
}

.btn-primary {
  background-color: var(--cf-orange);
  color: #ffffff;
  border-color: var(--cf-orange);
}

.btn-primary:hover {
  background-color: var(--cf-orange-hover);
  border-color: var(--cf-orange-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

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

.btn-sm {
  padding: 6px 12px;
  font-size: 0.75rem;
}

.btn-copy {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
  padding: 5px 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-copy:hover {
  color: var(--text-primary);
  background-color: var(--bg-hover);
  border-color: var(--cf-orange);
}

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

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  background-color: var(--bg-primary);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cf-orange);
  background-color: var(--cf-orange-subtle);
  border: 1px solid var(--cf-orange);
  padding: 4px 10px;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.hero-tag::before {
  content: "■";
  font-size: 0.6rem;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
  max-width: 980px;
}

.hero-title .highlight {
  color: var(--cf-orange);
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 820px;
  line-height: 1.6;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

/* Terminal Install Box */
.terminal-bar {
  display: flex;
  align-items: center;
  background-color: var(--bg-code);
  border: 1px solid var(--border-strong);
  padding: 10px 16px;
  gap: 14px;
  max-width: 540px;
  width: 100%;
}

.terminal-prompt {
  color: var(--cf-orange);
  font-family: var(--font-mono);
  font-weight: 700;
  user-select: none;
}

.terminal-code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #ffffff;
  flex: 1;
  overflow-x: auto;
  white-space: nowrap;
}

/* Quick Telemetry / Metrics Bar */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.metric-card {
  padding: 24px 20px;
  border-right: 1px solid var(--border-color);
}

.metric-card:last-child {
  border-right: none;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.metric-value .unit {
  font-size: 0.9rem;
  color: var(--cf-orange);
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.metric-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   SECTION HEADERS & TITLES
   -------------------------------------------------------------------------- */
.section {
  padding: 80px 0;
  border-bottom: 1px solid var(--border-color);
}

.section-alt {
  background-color: var(--bg-secondary);
}

.section-header {
  margin-bottom: 48px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cf-orange);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 760px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   GRID CARDS (Cloudflare Enterprise Style)
   -------------------------------------------------------------------------- */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease;
  position: relative;
}

.feature-card:hover {
  border-color: var(--border-strong);
}

.card-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cf-orange);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.card-body {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.card-tag {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   ARCHITECTURE SCHEMATIC / FLOW DIAGRAM
   -------------------------------------------------------------------------- */
.diagram-container {
  border: 1px solid var(--border-strong);
  background-color: var(--bg-code);
  padding: 36px;
  margin-bottom: 40px;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
}

.flow-step {
  border: 1px solid var(--border-strong);
  background-color: var(--bg-card);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.flow-step.active-node {
  border-color: var(--cf-orange);
}

.flow-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.flow-step-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--cf-orange);
}

.flow-step-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 2px 5px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.flow-step-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.flow-step-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  color: var(--cf-orange);
  font-weight: 700;
  font-size: 1.2rem;
}

/* --------------------------------------------------------------------------
   CODE INSPECTOR & TABS (Laravel / Cloudflare code blocks)
   -------------------------------------------------------------------------- */
.code-inspector {
  border: 1px solid var(--border-strong);
  background-color: var(--bg-code);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-strong);
  padding: 0 16px;
  overflow-x: auto;
}

.code-tabs {
  display: flex;
  gap: 2px;
}

.code-tab {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 14px 16px;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s ease;
}

.code-tab:hover {
  color: var(--text-primary);
}

.code-tab.active {
  color: var(--cf-orange);
  border-bottom-color: var(--cf-orange);
  background-color: var(--bg-code);
}

.code-file-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 16px;
}

.code-panel {
  display: none;
  padding: 20px;
  max-height: 520px;
  overflow-y: auto;
}

.code-panel.active {
  display: block;
}

.code-panel pre {
  margin: 0;
  color: #e2e8f0;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre;
}

.code-panel code {
  color: inherit;
}

/* Syntax styling */
.tok-comment { color: #64748b; font-style: italic; }
.tok-keyword { color: #f38020; font-weight: 600; }
.tok-string  { color: #34d399; }
.tok-number  { color: #38bdf8; }
.tok-fn      { color: #a78bfa; }
.tok-const   { color: #fbbf24; }

/* --------------------------------------------------------------------------
   COMPARISON TABLE
   -------------------------------------------------------------------------- */
.table-container {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
}

.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.comp-table th,
.comp-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}

.comp-table th:last-child,
.comp-table td:last-child {
  border-right: none;
}

.comp-table th {
  background-color: var(--bg-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.comp-table th.highlight-col {
  color: var(--cf-orange);
  background-color: var(--cf-orange-subtle);
  border-bottom: 2px solid var(--cf-orange);
}

.comp-table td.highlight-col {
  background-color: rgba(243, 128, 32, 0.04);
  font-weight: 600;
}

.status-yes {
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-weight: 700;
}

.status-no {
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.status-warn {
  color: var(--accent-yellow);
  font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   DOCUMENTATION LAYOUT (docs.html, architecture.html)
   -------------------------------------------------------------------------- */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  padding: 48px 0 80px;
}

.docs-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  max-height: calc(100vh - var(--header-height) - 48px);
  overflow-y: auto;
  padding-right: 16px;
  border-right: 1px solid var(--border-color);
}

.sidebar-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.sidebar-nav {
  list-style: none;
  margin-bottom: 28px;
}

.sidebar-link {
  display: block;
  font-size: 0.86rem;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-left: 2px solid transparent;
  margin-bottom: 2px;
  transition: all 0.15s ease;
}

.sidebar-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-hover);
}

.sidebar-link.active {
  color: var(--cf-orange);
  border-left-color: var(--cf-orange);
  font-weight: 600;
  background-color: var(--cf-orange-subtle);
}

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

.docs-section {
  margin-bottom: 56px;
  scroll-margin-top: calc(var(--header-height) + 32px);
}

.docs-section h2 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.docs-section h3 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 28px 0 12px;
  color: var(--text-primary);
}

.docs-section p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
  font-size: 0.98rem;
}

.docs-section ul, 
.docs-section ol {
  margin-bottom: 20px;
  padding-left: 24px;
  color: var(--text-secondary);
}

.docs-section li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.callout {
  border: 1px solid var(--border-strong);
  border-left: 4px solid var(--cf-orange);
  background-color: var(--bg-secondary);
  padding: 20px;
  margin: 24px 0;
}

.callout-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cf-orange);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.callout p {
  margin: 0;
  font-size: 0.9rem;
}

.callout-info { border-left-color: var(--accent-cyan); }
.callout-info .callout-title { color: var(--accent-cyan); }

.callout-warning { border-left-color: var(--accent-yellow); }
.callout-warning .callout-title { color: var(--accent-yellow); }

.code-block {
  border: 1px solid var(--border-strong);
  background-color: var(--bg-code);
  margin: 18px 0 24px;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-strong);
  padding: 8px 14px;
}

.code-lang {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.code-block pre {
  padding: 16px;
  margin: 0;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.6;
  color: #e2e8f0;
}

/* --------------------------------------------------------------------------
   RULES GENERATOR & PRESETS (rules.html)
   -------------------------------------------------------------------------- */
.rules-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 24px;
}

.rule-group {
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 24px;
}

.rule-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.rule-group-title {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.domain-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
}

.domain-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.domain-checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.domain-checkbox {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-strong);
  background-color: var(--bg-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.domain-checkbox:checked {
  background-color: var(--cf-orange);
  border-color: var(--cf-orange);
}

.domain-checkbox:checked::after {
  content: "✔";
  color: #ffffff;
  font-size: 10px;
  font-weight: 900;
}

.custom-domain-form {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.input-text {
  flex: 1;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.input-text:focus {
  outline: none;
  border-color: var(--cf-orange);
}

/* --------------------------------------------------------------------------
   FOOTER (Cloudflare / Laravel enterprise footer)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  max-width: 320px;
  line-height: 1.6;
  margin-top: 14px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--cf-orange);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.6rem; }
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .metric-card:nth-child(2) { border-right: none; }
  .flow-steps { grid-template-columns: 1fr; gap: 12px; }
  .flow-arrow { transform: rotate(90deg); margin: 6px 0; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { display: none; }
  .rules-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 24px;
    gap: 16px;
  }
  .mobile-menu-btn { display: inline-flex; }
  .hero-title { font-size: 2rem; }
  .hero-desc { font-size: 1rem; }
  .card-grid-3, .card-grid-2, .card-grid-4 { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr; }
  .metric-card { border-right: none; border-bottom: 1px solid var(--border-color); }
  .metric-card:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
}