/**
 * CURL.LY Offline — Promotional Website Design System
 * Strict Brand Standards: #FFCC00 brand color, #000000 base, Zero Star Policy
 */

:root {
  --color-brand: #FFCC00;
  --color-brand-hover: #E6B800;
  --color-brand-active: #CCA300;
  --color-brand-muted: rgba(255, 204, 0, 0.12);
  --color-brand-glow: rgba(255, 204, 0, 0.25);

  --color-dark-bg: #000000;
  --color-dark-surface: #111111;
  --color-dark-surface-raised: #1A1A1A;
  --color-dark-surface-alt: #161616;
  --color-dark-border: #262626;
  --color-dark-border-hover: #3D3D3D;

  --color-text-primary: #FFFFFF;
  --color-text-secondary: #CCCCCC;
  --color-text-muted: #888888;
  --color-text-dark: #000000;

  --color-status-success: #10B981;
  --color-status-success-bg: rgba(16, 185, 129, 0.12);
  --color-status-success-border: rgba(16, 185, 129, 0.3);

  --color-status-warning: #F59E0B;
  --color-status-warning-bg: rgba(245, 158, 11, 0.12);

  --color-status-error: #EF4444;
  --color-status-error-bg: rgba(239, 68, 68, 0.15);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(255, 204, 0, 0.15);

  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--color-dark-bg);
  color: var(--color-text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  background-color: var(--color-dark-bg);
  overflow-x: hidden;
}

::selection {
  background-color: var(--color-brand);
  color: #000000;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 20px;
  background: var(--color-brand);
  color: #000000;
  padding: 8px 16px;
  font-weight: 700;
  z-index: 1000;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 16px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-primary);
  line-height: 1.2;
  font-weight: 700;
}

p {
  color: var(--color-text-secondary);
}

a {
  color: var(--color-brand);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
}

/* Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-dark-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background-color 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.site-header.scrolled {
  background-color: rgba(0, 0, 0, 0.96);
  border-bottom-color: rgba(255, 204, 0, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
}

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

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: block;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-offline {
  font-size: 0.72rem;
  font-weight: 700;
  background-color: var(--color-brand);
  color: #000000;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-local-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-status-success);
  background-color: var(--color-status-success-bg);
  border: 1px solid var(--color-status-success-border);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-status-success);
  display: inline-block;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

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

.nav-link {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: #FFFFFF;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-brand);
  color: #000000;
  border-color: var(--color-brand);
}

.btn-primary:hover {
  background-color: var(--color-brand-hover);
  border-color: var(--color-brand-hover);
  color: #000000;
  box-shadow: 0 4px 14px rgba(255, 204, 0, 0.3);
}

.btn-secondary {
  background-color: var(--color-dark-surface);
  color: #FFFFFF;
  border-color: var(--color-dark-border);
}

.btn-secondary:hover {
  background-color: var(--color-dark-surface-raised);
  border-color: var(--color-dark-border-hover);
  color: #FFFFFF;
}

.btn-lg {
  padding: 14px 24px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-dark-border);
  color: #FFFFFF;
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-brand);
  background-color: var(--color-brand-muted);
  border: 1px solid rgba(255, 204, 0, 0.25);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  max-width: 900px;
}

.hero-title span {
  color: var(--color-brand);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 780px;
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.trust-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--color-dark-border);
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.trust-icon {
  width: 22px;
  height: 22px;
  color: var(--color-brand);
  flex-shrink: 0;
  margin-top: 2px;
}

.trust-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 2px;
}

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

/* Interactive Simulator / Demo Section */
.demo-section {
  padding: 60px 0 80px;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-brand);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

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

.simulator-box {
  background-color: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-subtle);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 900px) {
  .simulator-box {
    grid-template-columns: 1fr;
  }
}

.sim-controls-pane {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Segmented Control */
.segmented-control {
  display: flex;
  background-color: var(--color-dark-surface-raised);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
}

.seg-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.seg-btn.active {
  background-color: var(--color-brand);
  color: #000000;
}

.type-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.type-pill {
  background-color: var(--color-dark-surface-raised);
  border: 1px solid var(--color-dark-border);
  color: var(--color-text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}

.type-pill:hover {
  border-color: var(--color-dark-border-hover);
  color: #FFFFFF;
}

.type-pill.active {
  background-color: var(--color-brand-muted);
  border-color: var(--color-brand);
  color: var(--color-brand);
  font-weight: 700;
}

/* Form Groups */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.input-field, .select-field, .textarea-field {
  width: 100%;
  background-color: var(--color-dark-surface-raised);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  color: #FFFFFF;
  font-size: 0.92rem;
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.input-field:focus, .select-field:focus, .textarea-field:focus {
  border-color: var(--color-brand);
}

.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-toggle-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.password-toggle-btn:hover {
  color: #FFFFFF;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.checkbox-label input {
  accent-color: var(--color-brand);
  width: 16px;
  height: 16px;
}

/* Preview Pane */
.sim-preview-pane {
  background-color: var(--color-dark-surface-raised);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}

.preview-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.preview-format-tag {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-brand);
  background-color: var(--color-brand-muted);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.preview-status {
  font-size: 0.78rem;
  color: var(--color-status-success);
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
}

.render-canvas-wrapper {
  background: #FFFFFF;
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 260px;
  min-height: 260px;
  position: relative;
}

#svgOutput {
  max-width: 100%;
  height: auto;
  display: block;
}

.payload-inspector {
  width: 100%;
  background-color: #0A0A0A;
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  text-align: left;
}

.inspector-header {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.inspector-content {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-brand);
  word-break: break-all;
  white-space: pre-wrap;
}

.sim-actions-row {
  display: flex;
  gap: 10px;
  width: 100%;
}

.sim-actions-row .btn {
  flex: 1;
}

/* Features Grid */
.features-section {
  padding: 80px 0;
  border-top: 1px solid var(--color-dark-border);
}

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

.feature-card {
  background-color: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  border-color: var(--color-brand);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-brand-muted);
  color: var(--color-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* Formats & Symbologies Matrix */
.matrix-section {
  padding: 80px 0;
  border-top: 1px solid var(--color-dark-border);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-dark-border);
  background-color: var(--color-dark-surface);
  margin-bottom: 40px;
  -webkit-overflow-scrolling: touch;
}

.table-scroll-hint {
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-brand);
  background-color: var(--color-brand-muted);
  border: 1px solid rgba(255, 204, 0, 0.2);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

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

.data-table th {
  background-color: var(--color-dark-surface-raised);
  color: #FFFFFF;
  font-weight: 700;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-dark-border);
  white-space: nowrap;
}

.data-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-dark-border);
  color: var(--color-text-secondary);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

.badge-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background-color: var(--color-dark-surface-raised);
  color: var(--color-brand);
  border: 1px solid var(--color-dark-border);
  font-family: var(--font-mono);
}

/* Architecture Comparison */
.architecture-section {
  padding: 80px 0;
  border-top: 1px solid var(--color-dark-border);
  background-color: rgba(17, 17, 17, 0.5);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th {
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-dark-border);
  font-size: 1rem;
}

.comparison-table th.col-curlly {
  background-color: var(--color-brand-muted);
  color: var(--color-brand);
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
}

.comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-dark-border);
  font-size: 0.92rem;
}

.comparison-table td.col-curlly {
  background-color: rgba(255, 204, 0, 0.04);
  font-weight: 600;
  color: #FFFFFF;
}

.check-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-status-success);
}

.cross-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-status-error);
}

/* Specs & Architecture */
.specs-section {
  padding: 80px 0;
  border-top: 1px solid var(--color-dark-border);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.spec-box {
  background-color: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.spec-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-brand);
  margin-bottom: 12px;
}

.spec-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.spec-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.code-terminal {
  background-color: #0A0A0A;
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.terminal-header {
  background-color: var(--color-dark-surface-raised);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-dark-border);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #333333;
}

.terminal-title {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #CCCCCC;
  line-height: 1.7;
}

.terminal-body .command {
  color: var(--color-brand);
}

.terminal-body .comment {
  color: #666666;
}

/* FAQ Accordion */
.faq-section {
  padding: 80px 0;
  border-top: 1px solid var(--color-dark-border);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: var(--color-dark-border-hover);
}

.faq-summary {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: #FFFFFF;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-chevron {
  width: 18px;
  height: 18px;
  color: var(--color-brand);
  transition: transform 0.2s ease;
}

details[open] .faq-chevron {
  transform: rotate(90deg);
}

.faq-content {
  padding: 0 24px 20px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  border-top: 1px solid transparent;
}

details[open] .faq-content {
  border-top-color: var(--color-dark-border);
  padding-top: 16px;
}

/* Legal & Detail Pages */
.legal-page-header {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--color-dark-border);
}

.legal-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.legal-meta {
  display: flex;
  gap: 20px;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.legal-content {
  padding: 60px 0 100px;
  max-width: 860px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin: 40px 0 16px;
  color: #FFFFFF;
  border-bottom: 1px solid var(--color-dark-border);
  padding-bottom: 8px;
}

.legal-content h3 {
  font-size: 1.2rem;
  margin: 24px 0 12px;
  color: var(--color-brand);
}

.legal-content p {
  margin-bottom: 16px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

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

.legal-content li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.callout-box {
  background-color: var(--color-dark-surface);
  border-left: 4px solid var(--color-brand);
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  margin: 24px 0;
}

.callout-box p {
  margin: 0;
  color: #FFFFFF;
}

/* Contact Page Specific */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}

@media (max-width: 850px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-card {
  background-color: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-channel-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-dark-border);
}

.contact-channel-item:last-child {
  border-bottom: none;
}

.contact-channel-icon {
  width: 24px;
  height: 24px;
  color: var(--color-brand);
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-dark-border);
  background-color: var(--color-dark-surface);
  padding: 60px 0 30px;
}

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

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

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

.footer-link {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid var(--color-dark-border);
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: #FFFFFF;
  color: #000000;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  z-index: 1000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive adjustments & Mobile-First UX */
@media (max-width: 768px) {
  .site-header {
    height: 64px;
    padding: 0 4px;
  }

  .header-inner {
    gap: 8px;
  }

  .brand-name {
    font-size: 1.1rem;
  }

  .badge-local-status {
    display: none; /* Hide local pill on compact phone headers to prevent crowding */
  }

  .nav-links {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-sm);
    color: #FFFFFF;
    cursor: pointer;
    transition: all 0.2s ease;
  }

  .mobile-nav-toggle:hover,
  .mobile-nav-toggle.active {
    border-color: var(--color-brand);
    color: var(--color-brand);
    background-color: var(--color-brand-muted);
  }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: #0A0A0A;
    border-bottom: 2px solid var(--color-brand);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.95);
    padding: 16px 20px 24px;
    gap: 6px;
    z-index: 999;
    animation: mobileDrawerSlide 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .nav-links.mobile-open .nav-link {
    display: block;
    padding: 12px 16px;
    font-size: 1.05rem;
    font-weight: 600;
    color: #FFFFFF;
    border-radius: var(--radius-sm);
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .nav-links.mobile-open .nav-link:hover,
  .nav-links.mobile-open .nav-link:focus-visible {
    background-color: var(--color-dark-surface-raised);
    color: var(--color-brand);
  }

  .hero {
    padding: 48px 0 40px;
  }

  .hero-pill {
    font-size: 0.74rem;
    padding: 5px 12px;
  }

  .hero-title {
    font-size: clamp(2rem, 7vw, 2.5rem);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
  }

  .hero-subtitle {
    font-size: 1.02rem;
    line-height: 1.55;
    margin-bottom: 28px;
  }

  .hero-ctas {
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }

  .hero-ctas .btn {
    width: 100%;
    min-height: 48px;
    font-size: 1rem;
  }

  .trust-bar {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-top: 24px;
  }

  .features-section,
  .matrix-section,
  .architecture-section,
  .faq-section {
    padding: 50px 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 24px 20px;
  }

  .table-scroll-hint {
    display: inline-flex;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 14px 16px;
    font-size: 0.88rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contact-card {
    padding: 24px 18px;
  }

  .input-field,
  .select-field,
  .textarea-field {
    font-size: 16px !important; /* Critical iOS Safari standard: avoids unwanted auto-zoom */
    min-height: 48px;
    padding: 14px 14px;
  }

  .textarea-field {
    min-height: 120px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px 20px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .brand-name {
    font-size: 1rem;
  }

  .badge-offline {
    font-size: 0.65rem;
    padding: 2px 5px;
  }
}

@keyframes mobileDrawerSlide {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}