/**
 * =============================================================
 * K2 CLIMBING SIMULATION WIKI — DESIGN SYSTEM
 * =============================================================
 * Theme: Mountaineering / K2 Summit
 * Colors: Deep navy, ice blue, summit red, gold accents
 * =============================================================
 */

/* ── Google Fonts ─────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Custom Properties (K2 Theme) ──────────────────── */
:root {
  /* Core Palette — Mountaineering */
  --color-primary:     #1A3A5C;   /* Deep mountain blue */
  --color-secondary:   #2E6B8A;   /* Ice blue */
  --color-accent:      #D94E3B;   /* Summit red — danger, CTA */
  --color-gold:        #C9A84C;   /* Summit gold — achievements */

  /* Surface Colors */
  --color-surface:     #0F2438;   /* Dark navy base */
  --color-surface-alt: #162D4A;   /* Slightly lighter surface */
  --bg-base:           #0A1A2E;    /* Deepest background */
  --bg-elevated:       #132844;    /* Elevated cards/panels */
  --bg-secondary:      #1A3A5C;   /* Section backgrounds */

  /* Text */
  --text-primary:      #E8F0F7;   /* Ice white */
  --text-secondary:    #A8C0D8;   /* Muted blue-gray */
  --text-muted:        #6A8BA8;   /* Subtle muted text */

  /* Semantic */
  --color-success:     #3DAA6E;   /* Survival green */
  --color-warning:     #E8A838;   /* Caution amber */
  --color-danger:      #D94E3B;   /* Death zone red */
  --color-info:        #4A90D9;   /* Info blue */

  /* Rarity Colors */
  --rarity-common:     #9EA7AF;
  --rarity-uncommon:   #4CAF50;
  --rarity-rare:       #2196F3;
  --rarity-epic:       #9C27B0;
  --rarity-legendary:  #FFC107;

  /* UI Tokens */
  --glass-bg:          rgba(15, 36, 56, 0.85);
  --glass-border:      rgba(46, 107, 138, 0.35);
  --shadow-sm:         0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:         0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:         0 8px 32px rgba(0,0,0,0.5);
  --radius-sm:         6px;
  --radius-md:         12px;
  --radius-lg:         20px;

  /* Spacing Scale */
  --spacing-xs:  4px;
  --spacing-sm:  8px;
  --spacing-md:  16px;
  --spacing-lg:  24px;
  --spacing-xl:  40px;
  --spacing-2xl: 64px;

  /* Typography Scale */
  --font-body:   'Inter', system-ui, sans-serif;
  --font-head:   'Outfit', system-ui, sans-serif;
  --font-mono:   'JetBrains Mono', monospace;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-accent); }

::selection {
  background: var(--color-accent);
  color: white;
}

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: var(--spacing-md); border-bottom: 2px solid var(--glass-border); padding-bottom: var(--spacing-sm); }
h3 { font-size: 1.25rem; margin-bottom: var(--spacing-sm); }
h4 { font-size: 1.1rem; }

.content-body h2 { margin-top: var(--spacing-xl); }
.content-body h3 { margin-top: var(--spacing-lg); color: var(--color-secondary); }

p { margin-bottom: var(--spacing-md); color: var(--text-secondary); }
p:last-child { margin-bottom: 0; }

strong { color: var(--text-primary); font-weight: 600; }
code {
  font-family: var(--font-mono);
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.875em;
  color: var(--color-gold);
}

pre {
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
}

/* ── Layout ─────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.py-xl { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }
.py-lg { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.py-md { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-md { margin-bottom: var(--spacing-md); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-lg { margin-top: var(--spacing-lg); }

.text-center { text-align: center; }
.text-right  { text-align: right; }

/* ── Grid System ─────────────────────────────────────────── */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* ── Animated Background ────────────────────────────────── */
.animated-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(26,58,92,0.6) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(46,107,138,0.15) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-base) 0%, #0D2240 100%);
  pointer-events: none;
}

/* ── Skip Link ────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--spacing-md);
  background: var(--color-accent);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-weight: 600;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: var(--spacing-md); }

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 26, 46, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 26, 46, 0.98);
  box-shadow: var(--shadow-md);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--spacing-lg);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}
.navbar-brand:hover { color: var(--text-primary); }
.navbar-logo { font-size: 1.5rem; }

.navbar-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: var(--spacing-xs);
}

.navbar-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
}
.navbar-link:hover,
.navbar-link.active {
  color: var(--text-primary);
  background: var(--bg-elevated);
}
.navbar-link.active { color: var(--color-gold); }

/* Dropdowns */
.navbar-item { position: relative; }

.navbar-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1001;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  padding: var(--spacing-sm);
  display: none;
  flex-direction: column;
  gap: 2px;
}

.navbar-item:hover .navbar-dropdown,
.navbar-item.dropdown-active .navbar-dropdown {
  display: flex;
}

.dropdown-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}
.dropdown-link:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* Navbar Controls */
.navbar-search-btn {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.navbar-search-btn:hover { background: var(--bg-elevated); color: var(--text-primary); }

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: var(--spacing-sm);
}

/* ── Search Overlay ────────────────────────────────────────── */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 26, 46, 0.95);
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
  backdrop-filter: blur(8px);
}
.search-overlay.hidden { display: none; }

.search-modal {
  width: 100%;
  max-width: 600px;
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.search-header {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  gap: var(--spacing-md);
  border-bottom: 1px solid var(--glass-border);
}

.search-input {
  flex: 1;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--text-primary);
  outline: none;
}
.search-input::placeholder { color: var(--text-muted); }

.search-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  padding: var(--spacing-xs);
}
.search-close:hover { color: var(--text-primary); }

.search-results {
  max-height: 400px;
  overflow-y: auto;
  padding: var(--spacing-sm);
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition-fast);
}
.search-result-item:hover { background: var(--bg-secondary); }

.search-result-emoji { font-size: 1.5rem; flex-shrink: 0; }
.search-result-desc { font-size: 0.8rem; color: var(--text-muted); }
.search-hint { padding: var(--spacing-lg); text-align: center; color: var(--text-muted); }

/* ── Hero Section ──────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 300px;
  background: linear-gradient(to top, var(--bg-base) 0%, transparent 100%);
  z-index: 1;
}

.hero-block {
  font-size: 5rem;
  margin-bottom: var(--spacing-md);
  animation: float 3s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-secondary) 50%, var(--color-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.7;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 12px 24px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  box-shadow: 0 4px 12px rgba(217, 78, 59, 0.3);
}
.btn-primary:hover {
  background: #c04030;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217, 78, 59, 0.4);
  color: white;
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}
.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--color-secondary);
  color: var(--text-primary);
}

.btn-outline {
  background: transparent;
  color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
}
.btn-outline:hover {
  background: var(--color-secondary);
  color: white;
}

.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn:active { transform: translateY(1px); }

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-secondary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--glass-border);
  text-align: center;
}
.card-header h3 { margin: 0; }

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Card Gradient Variant */
.card-gradient {
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-secondary) 100%);
  border-color: rgba(46, 107, 138, 0.4);
}

.card-title.text-gold   { color: var(--color-gold) !important; }
.card-title.text-amber { color: var(--color-warning) !important; }
.card-title.text-rust  { color: var(--color-accent) !important; }

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary   { background: var(--color-primary); color: white; }
.badge-secondary { background: var(--color-secondary); color: white; }
.badge-success   { background: rgba(61,170,110,0.2); color: var(--color-success); }
.badge-warning   { background: rgba(232,168,56,0.2); color: var(--color-warning); }
.badge-danger    { background: rgba(217,78,59,0.2); color: var(--color-danger); }
.badge-info      { background: rgba(74,144,217,0.2); color: var(--color-info); }
.badge-gold      { background: rgba(201,168,76,0.2); color: var(--color-gold); }

.badge-legendary { background: rgba(255,193,7,0.2); color: #FFD700; }
.badge-epic      { background: rgba(156,39,176,0.2); color: #CE93D8; }
.badge-rare      { background: rgba(33,150,243,0.2); color: #64B5F6; }
.badge-uncommon  { background: rgba(76,175,80,0.2); color: #81C784; }
.badge-common    { background: rgba(158,158,158,0.2); color: #BDBDBD; }

/* ── Tables ────────────────────────────────────────────────── */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead { background: var(--bg-secondary); }
th {
  padding: var(--spacing-md);
  text-align: left;
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 2px solid var(--glass-border);
}
th.sortable { cursor: pointer; user-select: none; }

td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-elevated); }

/* ── Highlight Box ─────────────────────────────────────────── */
.highlight-box {
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-left: 4px solid var(--color-secondary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}
.highlight-box.warning { border-left-color: var(--color-warning); }
.highlight-box.danger  { border-left-color: var(--color-danger); }
.highlight-box.success { border-left-color: var(--color-success); }
.highlight-box h3 { margin-top: 0; }

/* ── Breadcrumb ────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--color-secondary); }
.breadcrumb-sep { color: var(--text-muted); }

/* ── Content Body ──────────────────────────────────────────── */
.content-body {
  max-width: 800px;
}

.content-body h2 {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--glass-border);
}

.content-body ul, .content-body ol {
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.content-body li { margin-bottom: var(--spacing-sm); }

.content-body blockquote {
  border-left: 3px solid var(--color-gold);
  padding-left: var(--spacing-lg);
  color: var(--text-muted);
  font-style: italic;
  margin: var(--spacing-lg) 0;
}

/* ── FAQ Accordion ─────────────────────────────────────────── */
.faq-item {
  margin-bottom: var(--spacing-md);
}

.faq-item details {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.faq-item summary {
  padding: var(--spacing-md) var(--spacing-lg);
  font-family: var(--font-head);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-primary);
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.25rem; color: var(--color-secondary); transition: transform var(--transition-fast); }
.faq-item details[open] summary::after { transform: rotate(45deg); }

.faq-item .faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Promo Code Cards ──────────────────────────────────────── */
.promo-code {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.promo-code.active { border-left: 4px solid var(--color-success); }
.promo-code.expired { border-left: 4px solid var(--color-danger); opacity: 0.7; }

.promo-code-info { flex: 1; }
.promo-code-info strong { font-family: var(--font-mono); font-size: 1.1rem; color: var(--color-gold); }
.promo-code-info span { display: block; font-size: 0.85rem; color: var(--text-muted); }

/* ── Stat Boxes ────────────────────────────────────────────── */
.stat-box {
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  text-align: center;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.stat-value {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.stat-note {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.text-accent   { color: var(--color-accent) !important; }
.text-gold     { color: var(--color-gold) !important; }
.text-success  { color: var(--color-success) !important; }
.text-warning  { color: var(--color-warning) !important; }
.text-danger   { color: var(--color-danger) !important; }
.text-info     { color: var(--color-info) !important; }
.text-muted    { color: var(--text-muted) !important; }

/* ── Tool Layout (Sidebar + Main) ──────────────────────────── */
.tool-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.tool-sidebar {
  position: sticky;
  top: 80px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.tool-sidebar h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--glass-border);
}

.tool-sidebar ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.tool-sidebar a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.tool-sidebar a:hover,
.tool-sidebar a.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* ── Progress Bar ──────────────────────────────────────────── */
#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  width: 0%;
  z-index: 10000;
  transition: width 100ms linear;
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--glass-border);
  margin-top: var(--spacing-2xl);
}

.footer h4 {
  font-family: var(--font-head);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--color-secondary); }

.footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--glass-border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── Animations ────────────────────────────────────────────── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.js-ready .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}
.js-ready .reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-up { animation: fadeInUp 0.4s ease; }

/* ── Filter Bar ────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-btn:hover { border-color: var(--color-secondary); color: var(--text-primary); }
.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* ── Gear Card (Database) ──────────────────────────────────── */
.gear-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}
.gear-card:hover {
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.gear-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.gear-card h3 { font-size: 1rem; margin: 0; }
.gear-card-category { font-size: 0.75rem; color: var(--text-muted); }

.gear-card-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.gear-stat {
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm);
  font-size: 0.8rem;
}
.gear-stat-label { color: var(--text-muted); display: block; }
.gear-stat-value { color: var(--text-primary); font-weight: 600; }

/* ── Controls Table ────────────────────────────────────────── */
.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.control-table {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.control-table h3 {
  background: var(--bg-secondary);
  padding: var(--spacing-md);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.control-table table { font-size: 0.85rem; }
.control-table th,
.control-table td { padding: var(--spacing-sm) var(--spacing-md); }
.control-table td:first-child { color: var(--text-primary); font-weight: 500; }
.control-table td:last-child { font-family: var(--font-mono); color: var(--color-gold); }

/* Page Media */
.page-media {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.media-section-header {
  margin-bottom: var(--spacing-lg);
}

.media-section-header h2 {
  margin-bottom: var(--spacing-sm);
}

.media-section-header p {
  max-width: 720px;
  color: var(--text-secondary);
}

.media-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 380px));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.media-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: var(--spacing-lg);
}

.media-card,
.media-figure {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-width: 0;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.media-card:hover,
.media-figure:hover {
  transform: translateY(-6px);
  border-color: var(--color-secondary);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(46, 107, 138, 0.2);
}

.media-embed {
  aspect-ratio: 16 / 9;
  background: #050505;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-bottom: 1px solid var(--glass-border);
}

.media-embed::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 1;
  pointer-events: none;
}

.media-card:hover .media-embed::after {
  opacity: 1;
}

.media-embed .youtube-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.media-card:hover .youtube-thumbnail {
  transform: scale(1.08);
}

.media-embed .play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 56px;
  height: 56px;
  background: rgba(20, 20, 20, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  z-index: 2;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.media-embed .play-button svg {
  width: 24px;
  height: 24px;
  margin-left: 4px; /* visually center play icon */
  transition: fill var(--transition-base);
}

.media-embed:hover .play-button {
  transform: translate(-50%, -50%) scale(1.1);
  background: var(--color-primary);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 10px 40px rgba(217, 78, 59, 0.6);
  color: white;
}

.media-embed iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 3;
}

.media-card-body {
  display: block;
  padding: var(--spacing-md);
}

.media-card h3 {
  font-size: 0.95rem;
  margin: 0 0 var(--spacing-xs);
  color: var(--text-primary);
  line-height: 1.4;
}

.media-card p {
  font-size: 0.85rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

.media-source {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  color: var(--color-gold);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.media-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--bg-secondary);
}

.media-figure figcaption {
  display: grid;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.media-figure figcaption small {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .tool-layout { grid-template-columns: 1fr; }
  .tool-sidebar { position: static; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .navbar-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
    gap: var(--spacing-sm);
  }
  .navbar-menu.active { display: flex; }
  .navbar-toggle { display: block; }

  .navbar-dropdown {
    position: static;
    display: none;
    padding: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-lg);
  }
  .navbar-item.dropdown-active .navbar-dropdown { display: flex; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .hero h1 { font-size: 2.25rem; }
  .hero-block { font-size: 3rem; }

  .hero .btn-lg { width: 100%; justify-content: center; }

  .section { padding: var(--spacing-xl) 0; }
  .container { padding: 0 var(--spacing-md); }

  .promo-code { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.35rem; }

  .btn-lg { padding: 14px 24px; }

  .search-modal { margin: 0 var(--spacing-md); }
}

/* ── Utility Classes ────────────────────────────────────────── */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ── Page Transitions ───────────────────────────────────────── */
.page-entering {
  opacity: 0;
  transform: translateY(8px);
}
.page-entered {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.35s ease, transform 0.35s ease;
}