/* ==========================================================================
   Circadia Design System & Documentation Styles
   Engineered in OKLCH — Minimalist, Technical, Developer-First
   ========================================================================== */

:root {
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-sans: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-xs: 3px;
  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 10px;
}

/* --------------------------------------------------------------------------
   Themes: Exact Circadia Spec Mapping
   -------------------------------------------------------------------------- */

[data-theme="dark"] {
  --bg-canvas: #15141b;
  --bg-surface: #1c1a24;
  --bg-element: #252330;
  --border: #343041;
  --border-subtle: #252230;

  --text-primary: #eae3d8;
  --text-muted: #b7aca0;
  --text-faint: #92887d;
  --accent: #e89a49;
  --accent-glow: rgba(232, 154, 73, 0.12);

  --h1: #f8c88f;
  --h2: #f2b26c;
  --h3: #ea9d49;
  --h4: #db8935;
  --h5: #c7792e;
  --h6: #b56f2b;

  --syn-keyword: #e59de8;
  --syn-type: #f1be85;
  --syn-function: #89c8e4;
  --syn-string: #a7db76;
  --syn-number: #f6a84d;
  --syn-tag: #e89a49;
  --syn-comment: #b3aba0;

  color-scheme: dark;
}

[data-theme="light"] {
  --bg-canvas: #f7f2e6;
  --bg-surface: #eee7d6;
  --bg-element: #e5dcc6;
  --border: #d7cdb7;
  --border-subtle: #dbcfb9;

  --text-primary: #28323a;
  --text-muted: #46535f;
  --text-faint: #5f6d7a;
  --accent: #195697;
  --accent-glow: rgba(25, 86, 151, 0.12);

  --h1: #1c4470;
  --h2: #20538a;
  --h3: #1c60a2;
  --h4: #236bb5;
  --h5: #286fc0;
  --h6: #2f75c6;

  --syn-keyword: #631c84;
  --syn-type: #7f3500;
  --syn-function: #09489a;
  --syn-string: #085802;
  --syn-number: #8a2d00;
  --syn-tag: #09489a;
  --syn-comment: #574f46;

  color-scheme: light;
}

/* --------------------------------------------------------------------------
   Reset & Document Base
   -------------------------------------------------------------------------- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* --------------------------------------------------------------------------
   Toast Notification
   -------------------------------------------------------------------------- */

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  z-index: 2000;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

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

/* --------------------------------------------------------------------------
   Sticky Navbar (Hidden on Hero, Visible on Scroll)
   -------------------------------------------------------------------------- */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-canvas);
  border-bottom: 1px solid var(--border);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}

.navbar-hidden {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.navbar-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

.brand-name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.badge-spec {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: var(--radius-xs);
}

.nav-menu {
  display: flex;
  gap: 18px;
}

.nav-menu a {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
}

.nav-menu a:hover {
  color: var(--text-primary);
}

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

.btn-toggle, .btn-gh {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 5px 10px;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-toggle:hover, .btn-gh:hover {
  border-color: var(--accent);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Hero Landing Cover (Full Front Page)
   -------------------------------------------------------------------------- */

.hero-cover {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 24px 60px;
  border-bottom: 1px solid var(--border);
}

.hero-wrapper {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.hero-top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.hero-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero-brand-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-brand-name {
  font-size: clamp(3.4rem, 6.5vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.0;
  color: var(--text-primary);
}

.hero-tagline {
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--text-muted);
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 920px;
  line-height: 1.6;
}

.hero-lead strong {
  color: var(--text-primary);
}

/* Consolidated Explore Strip + Quick Clone Command */
.hero-explore-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 6px 0;
}

.explore-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.explore-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.explore-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-explore {
  background: var(--accent);
  color: var(--bg-canvas);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-explore:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.hero-quick-command {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.hero-quick-command:hover {
  border-color: var(--accent);
}

.hero-quick-command code {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.command-copy-icon {
  font-size: 0.78rem;
  opacity: 0.7;
}

/* Dual Mode Toggle Cards */
.hero-dual-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 4px;
}

.hero-mode-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.hero-mode-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.mode-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mode-card-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mode-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.light-dot { background: #195697; }
.dark-dot { background: #e89a49; }

.mode-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.mode-stat-badge {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  background: var(--bg-element);
  color: var(--syn-string);
  border: 1px solid var(--border);
}

.mode-card-lux {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.mode-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Compact Half-Height & Balanced-Width Color Ribbon */
.mode-ribbon-compact {
  display: inline-flex;
  width: fit-content;
  max-width: 320px;
  gap: 5px;
  padding: 4px 6px;
  border-radius: var(--radius-xs);
  background: var(--bg-element);
  border: 1px solid var(--border-subtle);
}

.ribbon-chip-compact {
  width: 32px;
  height: 15px;
  border-radius: 3px;
  flex-shrink: 0;
  display: inline-block;
}

.mode-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.mode-click-hint {
  color: var(--text-faint);
}

.mode-active-indicator {
  color: var(--syn-string);
  font-weight: 600;
  display: none;
}

[data-theme="light"] #modeCardLight .mode-active-indicator { display: inline; }
[data-theme="light"] #modeCardLight { border-color: var(--accent); }

[data-theme="dark"] #modeCardDark .mode-active-indicator { display: inline; }
[data-theme="dark"] #modeCardDark { border-color: var(--accent); }

/* --------------------------------------------------------------------------
   Page Layout & Sections (Max Width 1200px)
   -------------------------------------------------------------------------- */

.page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.section-block {
  margin-bottom: 70px;
  scroll-margin-top: 70px;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 12px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.section-heading {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-subtext {
  font-size: 0.9rem;
  color: var(--text-faint);
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   Toolbar Controls
   -------------------------------------------------------------------------- */

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

.filter-group {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.filter-btn {
  background: var(--bg-surface);
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 5px 10px;
  cursor: pointer;
  border-right: 1px solid var(--border);
}

.filter-btn:last-child {
  border-right: none;
}

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

.filter-btn.active {
  background: var(--accent);
  color: var(--bg-canvas);
  font-weight: 600;
}

.search-box input {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  outline: none;
  width: 150px;
}

.search-box input:focus {
  border-color: var(--accent);
}

.format-select select {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   Token Grid (Minimal Swatches)
   -------------------------------------------------------------------------- */

.token-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}

.token-cell {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.token-cell:hover {
  border-color: var(--accent);
}

.token-swatch {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.token-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.token-key-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.token-name {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
}

.token-ratio {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
}

.token-val {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --------------------------------------------------------------------------
   Editor Preview
   -------------------------------------------------------------------------- */

.tab-group {
  display: flex;
  gap: 4px;
}

.tab-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.tab-btn.active {
  background: var(--bg-element);
  color: var(--text-primary);
  border-color: var(--accent);
  font-weight: 600;
}

.editor-frame {
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.editor-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.editor-dots {
  display: flex;
  gap: 5px;
}

.editor-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border);
}

.editor-file-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.editor-lang-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
}

.editor-content {
  display: flex;
  padding: 16px 0;
  overflow-x: auto;
}

.editor-gutters {
  padding: 0 14px 0 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-faint);
  text-align: right;
  user-select: none;
  border-right: 1px solid var(--border-subtle);
  line-height: 1.6;
}

.editor-code {
  padding: 0 18px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  white-space: pre;
  color: var(--text-primary);
}

.tok-keyword  { color: var(--syn-keyword); font-weight: 600; cursor: pointer; }
.tok-type     { color: var(--syn-type); cursor: pointer; }
.tok-function { color: var(--syn-function); cursor: pointer; }
.tok-string   { color: var(--syn-string); cursor: pointer; }
.tok-number   { color: var(--syn-number); cursor: pointer; }
.tok-tag      { color: var(--syn-tag); cursor: pointer; }
.tok-comment  { color: var(--syn-comment); font-style: italic; cursor: pointer; }
.tok-ident    { color: var(--text-primary); }

/* Markdown Specific Tokens */
.tok-h1       { color: var(--h1); font-weight: 700; font-size: 0.94rem; cursor: pointer; }
.tok-h2       { color: var(--h2); font-weight: 700; cursor: pointer; }
.tok-h3       { color: var(--h3); font-weight: 600; cursor: pointer; }
.tok-bold     { font-weight: 700; color: var(--text-primary); cursor: pointer; }
.tok-code     { color: var(--syn-number); background: var(--bg-element); padding: 1px 4px; border-radius: 2px; cursor: pointer; }
.tok-link     { color: var(--syn-tag); text-decoration: underline; cursor: pointer; }
.tok-bullet   { color: var(--accent); font-weight: 700; cursor: pointer; }
.tok-quote    { color: var(--syn-comment); font-style: italic; border-left: 2px solid var(--border); padding-left: 6px; cursor: pointer; }

.tok-keyword:hover, .tok-type:hover, .tok-function:hover,
.tok-string:hover, .tok-number:hover, .tok-tag:hover, .tok-comment:hover,
.tok-h1:hover, .tok-h2:hover, .tok-h3:hover, .tok-code:hover, .tok-link:hover {
  text-decoration: underline;
}

.editor-inspector {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Contrast Matrix Table
   -------------------------------------------------------------------------- */

.table-frame {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  text-align: left;
}

.data-table th {
  background: var(--bg-element);
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

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

.badge-aaa {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--syn-string);
  border: 1px solid var(--syn-string);
  padding: 1px 5px;
  border-radius: var(--radius-xs);
}

.badge-aa {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--syn-number);
  border: 1px solid var(--syn-number);
  padding: 1px 5px;
  border-radius: var(--radius-xs);
}

.badge-ui {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--syn-function);
  border: 1px solid var(--syn-function);
  padding: 1px 5px;
  border-radius: var(--radius-xs);
}

/* --------------------------------------------------------------------------
   Ports Directory
   -------------------------------------------------------------------------- */

.port-filters {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.port-filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.port-filter-btn.active {
  background: var(--bg-element);
  color: var(--text-primary);
  border-color: var(--accent);
}

.ports-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 10px;
}

.port-entry {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
}

.port-entry:hover {
  border-color: var(--accent);
}

.port-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.port-heading {
  font-size: 0.95rem;
  font-weight: 700;
}

.port-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-faint);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: var(--radius-xs);
}

.port-summary {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.port-actions {
  display: flex;
  gap: 8px;
}

.btn-snippet, .btn-link {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 4px 8px;
  background: var(--bg-element);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

.btn-snippet:hover, .btn-link:hover {
  border-color: var(--accent);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Downloads / Spec Grid
   -------------------------------------------------------------------------- */

.spec-file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

.file-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.file-item:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.file-name {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 600;
}

.file-desc {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.file-action {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.page-footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  background: var(--bg-canvas);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-note {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-faint);
  margin-left: 6px;
}

.footer-nav {
  display: flex;
  gap: 16px;
}

.footer-nav a {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: none;
}

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

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .hero-dual-modes {
    grid-template-columns: 1fr;
  }
  .hero-cover {
    min-height: auto;
    padding: 24px 16px 40px;
  }
}