/* ==========================================================================
   OpenMac Design System — macOS Native Glassmorphism
   ========================================================================== */

:root {
  /* Color Palette — Light Theme */
  --bg-main: #F5F5F7;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-surface-hover: #F0F0F3;
  --bg-nav: rgba(255, 255, 255, 0.75);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.16);
  --text-primary: #1D1D1F;
  --text-secondary: #6E6E73;
  --text-tertiary: #86868B;
  
  --accent: #0A84FF;
  --accent-hover: #0071E3;
  --accent-soft: rgba(10, 132, 255, 0.1);
  --accent-gradient: linear-gradient(135deg, #0A84FF 0%, #5E5CE6 100%);
  
  --star-gold: #FFB340;
  --star-bg: rgba(255, 179, 64, 0.12);
  --card-shadow: 0 4px 16px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.02);
  --card-shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
  --modal-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  /* Color Palette — Dark Theme (macOS Sonoma / Sequoia dark) */
  --bg-main: #0B0E14;
  --bg-surface: #151922;
  --bg-surface-elevated: #1C212D;
  --bg-surface-hover: #222938;
  --bg-nav: rgba(15, 19, 28, 0.82);
  --border-color: rgba(255, 255, 255, 0.09);
  --border-hover: rgba(255, 255, 255, 0.2);
  --text-primary: #F0F4F8;
  --text-secondary: #9BA3AF;
  --text-tertiary: #6B7280;

  --accent: #2997FF;
  --accent-hover: #47A3FF;
  --accent-soft: rgba(41, 151, 255, 0.15);
  
  --star-gold: #FFD166;
  --star-bg: rgba(255, 209, 102, 0.14);
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --card-shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.45);
  --modal-shadow: 0 32px 80px rgba(0, 0, 0, 0.7);
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] {
    --bg-main: #0B0E14;
    --bg-surface: #151922;
    --bg-surface-elevated: #1C212D;
    --bg-surface-hover: #222938;
    --bg-nav: rgba(15, 19, 28, 0.82);
    --border-color: rgba(255, 255, 255, 0.09);
    --border-hover: rgba(255, 255, 255, 0.2);
    --text-primary: #F0F4F8;
    --text-secondary: #9BA3AF;
    --text-tertiary: #6B7280;
    --accent: #2997FF;
    --accent-hover: #47A3FF;
    --accent-soft: rgba(41, 151, 255, 0.15);
    --star-gold: #FFD166;
    --star-bg: rgba(255, 209, 102, 0.14);
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.45);
    --modal-shadow: 0 32px 80px rgba(0, 0, 0, 0.7);
  }
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */

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

html {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select {
  font: inherit;
  color: inherit;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-nav);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: border-color var(--transition-smooth), background var(--transition-smooth);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.brand:hover {
  opacity: 0.85;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(10, 132, 255, 0.25);
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
}

.brand-text span {
  color: var(--accent);
}

.brand-logo {
  height: 38px;
  width: auto;
  display: block;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-btn:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-hover);
}

.nav-btn.primary {
  background: var(--accent);
  color: #FFFFFF;
  border-color: transparent;
  font-weight: 600;
}

.nav-btn.primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.nav-btn.icon-only {
  padding: 0.45rem;
  width: 36px;
  height: 36px;
}

.nav-btn.search-trigger {
  color: var(--text-secondary);
  min-width: 180px;
  justify-content: space-between;
}

.kbd-shortcut {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  background: var(--border-color);
  color: var(--text-tertiary);
  font-family: inherit;
}

/* Theme Icon Switch */
.theme-icon.moon {
  display: none;
}
[data-theme="dark"] .theme-icon.sun {
  display: none;
}
[data-theme="dark"] .theme-icon.moon {
  display: block;
}
@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] .theme-icon.sun {
    display: none;
  }
  :root[data-theme="system"] .theme-icon.moon {
    display: block;
  }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  padding: 4rem 1.5rem 2.5rem;
  text-align: center;
  position: relative;
}

.hero-container {
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(10, 132, 255, 0.2);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Main Search Bar */
.hero-search-wrapper {
  max-width: 640px;
  margin: 0 auto 1.5rem;
}

.hero-search {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.5rem 1rem;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-smooth);
}

.hero-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--card-shadow-hover);
}

.search-icon {
  color: var(--text-tertiary);
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.hero-search input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1rem;
  color: var(--text-primary);
}

.hero-search input::placeholder {
  color: var(--text-tertiary);
}

.clear-btn {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  margin-right: 0.25rem;
}

.hero-kbd {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  background: var(--bg-main);
  color: var(--text-tertiary);
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

/* Quick Filter Chips */
.quick-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.chip {
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.chip.active {
  background: var(--accent);
  color: #FFFFFF;
  border-color: transparent;
  font-weight: 600;
}

/* ==========================================================================
   Featured Section
   ========================================================================== */

.section-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.section-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-icon {
  font-size: 1.75rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.featured-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.featured-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0.8;
}

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

/* ==========================================================================
   Catalog & Toolbar
   ========================================================================== */

.catalog-section {
  flex: 1;
  padding-bottom: 4rem;
}

.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.results-count {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.active-filter-pill {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.control-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.select-control {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.7rem;
  font-size: 0.8125rem;
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast);
}

.select-control:focus {
  border-color: var(--accent);
}

/* Category Horizontal Scroll Pills */
.categories-scroll {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.25rem 0 1rem;
  margin-bottom: 1.5rem;
  scrollbar-width: thin;
}

.categories-scroll::-webkit-scrollbar {
  height: 5px;
}

.categories-scroll::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 999px;
}

.cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.cat-pill:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.cat-pill.active {
  background: var(--text-primary);
  color: var(--bg-main);
  border-color: var(--text-primary);
  font-weight: 600;
}

.cat-pill-count {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* ==========================================================================
   Project Cards Grid
   ========================================================================== */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-smooth);
}

.project-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--border-hover);
}

.card-top {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 0.75rem;
}

.app-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
}

.app-info {
  flex: 1;
  min-width: 0;
}

.app-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.2rem;
}

.app-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-stars {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  background: var(--star-bg);
  color: var(--star-gold);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.app-category-badge {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.app-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 3.9rem;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--bg-main);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.tag.stack {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: transparent;
}

.tag.license {
  color: var(--text-tertiary);
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-color);
}

.card-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.card-btn:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-hover);
}

.card-btn.primary {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: transparent;
}

.card-btn.primary:hover {
  background: var(--accent);
  color: #FFFFFF;
}

/* ==========================================================================
   Empty State & Pagination
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: 4rem 1.5rem;
  background: var(--bg-surface);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
  margin-top: 1rem;
}

.empty-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.empty-state h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
}

.pagination-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 2.5rem;
}

.load-more-btn {
  padding: 0.75rem 2rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-smooth);
}

.load-more-btn:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--card-shadow-hover);
}

/* ==========================================================================
   Spotlight Search Modal (⌘K)
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 10vh 1.5rem 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  width: 100%;
  max-width: 620px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--modal-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 75vh;
  transform: scale(0.96) translateY(-10px);
  transition: transform var(--transition-fast);
}

.modal-overlay.open .modal-box {
  transform: scale(1) translateY(0);
}

.modal-search-bar {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  gap: 0.75rem;
}

.modal-search-bar input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1.125rem;
  color: var(--text-primary);
}

.modal-esc-kbd {
  font-size: 0.7rem;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  background: var(--bg-main);
  color: var(--text-tertiary);
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.modal-results {
  overflow-y: auto;
  max-height: 50vh;
  padding: 0.5rem;
}

.modal-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  gap: 0.75rem;
}

.modal-item:hover, .modal-item.active {
  background: var(--bg-surface-hover);
}

.modal-item-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.modal-app-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.modal-app-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-app-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-item-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.modal-footer {
  padding: 0.65rem 1.25rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.modal-hints {
  display: flex;
  gap: 0.75rem;
}

.modal-hints kbd {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 3rem 1.5rem 2rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .brand {
  margin-bottom: 0.85rem;
}

.footer-logo {
  height: 34px;
  margin-bottom: 0.85rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem;
  }
  
  .nav-btn.search-trigger .search-placeholder,
  .nav-btn.search-trigger .kbd-shortcut {
    display: none;
  }

  .nav-btn.search-trigger {
    min-width: unset;
    padding: 0.45rem;
  }

  .catalog-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-right {
    justify-content: space-between;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    gap: 2rem;
  }
}