/* DJ Playbook — Main Stylesheet */
/* Mobile-first responsive design */

/* ═══════════════════════════════════════════
   1. DESIGN TOKENS (CSS Custom Properties)
   ═══════════════════════════════════════════ */
:root {
  /* Colors — premium DJ/nightlife palette (blue undertone base, not pure black) */
  --color-bg: #050508;
  --color-bg-aurora-1: #0d0b2e;
  --color-bg-aurora-2: #0a1628;
  --color-surface: rgba(14, 14, 32, 0.85);
  --color-surface-solid: #0c0c18;
  --color-surface-hover: #161630;
  --color-border: rgba(255, 255, 255, 0.12);
  --color-border-hover: rgba(255, 255, 255, 0.15);
  --color-text: #f0f0f8;
  --color-text-muted: #8a88a0;
  --color-heading: #ffffff;
  --color-accent: #2d8cf0;
  --color-accent-hover: #5ba8ff;
  --color-accent-glow: rgba(45, 140, 240, 0.2);
  --color-accent-deep: rgba(45, 140, 240, 0.08);
  --color-neon-glow: 45, 140, 240;
  --color-category-business: #ff6b35;
  --color-category-clients: #ffd166;
  --color-category-performance: #06d6a0;
  --color-category-legal: #ef476f;
  --color-category-health: #118ab2;
  --color-category-growth: #7b2ff7;
  --color-category-craft: #e056a0;
  --color-tag-bg: rgba(255, 255, 255, 0.08);
  --color-tag-text: #c4c1cc;
  --color-success: #06d6a0;
  --color-error: #ef476f;

  /* Typography */
  --font-heading: 'Bebas Neue', sans-serif;
  --font-body: 'Barlow', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --fs-hero: clamp(2.5rem, 7vw, 5rem);
  --fs-h1: clamp(1.75rem, 4vw, 2.5rem);
  --fs-h2: 1.5rem;
  --fs-h3: 1.25rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;
  --lh-heading: 1.2;
  --lh-body: 1.7;

  /* Spacing (8pt grid) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Layout */
  --container-max: 1200px;
  --sidebar-width: 320px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

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

/* ═══════════════════════════════════════════
   2. RESET & BASE
   ═══════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { overflow-x: hidden; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 80% 60% at 15% 30%, rgba(20, 15, 80, 0.7) 0%, transparent 60%),
    radial-gradient(ellipse 70% 50% at 85% 15%, rgba(10, 40, 90, 0.6) 0%, transparent 55%),
    radial-gradient(ellipse 60% 70% at 50% 85%, rgba(45, 140, 240, 0.1) 0%, transparent 45%),
    radial-gradient(ellipse 40% 40% at 70% 60%, rgba(80, 20, 120, 0.15) 0%, transparent 50%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  position: relative;
}
/* Grid texture overlay — subtle cyberpunk aesthetic */
body::before {
  content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(45,140,240,0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45,140,240,0.3) 1px, transparent 1px);
  background-size: 60px 60px;
}
/* Noise grain overlay — adds analog texture */
body::after {
  content: ''; position: fixed; inset: 0; z-index: 9998; pointer-events: none;
  opacity: 0.035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat; background-size: 256px 256px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-accent-hover); }
a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; border-radius: var(--radius-sm); }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: var(--lh-heading); color: var(--color-heading); font-weight: 700; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); margin-top: var(--space-2xl); margin-bottom: var(--space-md); }
h3 { font-size: var(--fs-h3); margin-top: var(--space-lg); margin-bottom: var(--space-sm); }
p { margin-bottom: var(--space-md); }
ul, ol { padding-left: var(--space-lg); margin-bottom: var(--space-md); }
li { margin-bottom: var(--space-xs); }

/* ═══════════════════════════════════════════
   3. LAYOUT
   ═══════════════════════════════════════════ */
.skip-link {
  position: absolute; top: -100%; left: var(--space-md);
  background: var(--color-accent); color: var(--color-bg); padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm); font-weight: 600; z-index: 1000;
}
.skip-link:focus { top: var(--space-sm); }
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-md); }

/* ═══════════════════════════════════════════
   4. HEADER & NAVIGATION
   ═══════════════════════════════════════════ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(5, 5, 8, 0.8); backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  padding: var(--space-md) 0;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.site-logo { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700; color: var(--color-heading); }
.site-logo span { color: var(--color-accent); }
.site-logo img { width: 93px; height: 93px; }
.nav-links { display: flex; gap: var(--space-lg); list-style: none; padding: 0; margin: 0; }
.nav-links a { color: var(--color-text-muted); font-size: var(--fs-small); font-weight: 500; transition: color var(--transition-fast); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--color-accent); text-shadow: 0 0 10px rgba(var(--color-neon-glow), 0.3); }
.nav-links a { position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--color-accent); transition: width 0.3s ease; box-shadow: 0 0 8px rgba(var(--color-neon-glow), 0.4); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { width: 100%; }
.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  width: 44px; height: 44px; padding: var(--space-sm);
  flex-direction: column; justify-content: center; gap: 5px;
}
.hamburger span { display: block; width: 24px; height: 2px; background: var(--color-text); transition: transform var(--transition-base), opacity var(--transition-fast); }
.nav-open .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .hamburger span:nth-child(2) { opacity: 0; }
.nav-open .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════
   5. HERO
   ═══════════════════════════════════════════ */
.hero {
  padding: var(--space-4xl) 0 var(--space-3xl);
  text-align: center;
  background-color: #050508;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background: url('/assets/images/hero/hero-dj-booth.jpg') center/cover no-repeat;
  opacity: 0.4; mix-blend-mode: luminosity;
}
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(ellipse 60% 100% at 50% 20%, rgba(var(--color-neon-glow), 0.35) 0%, transparent 60%),
    radial-gradient(ellipse 80% 50% at 30% 70%, rgba(80, 20, 160, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse 50% 60% at 80% 40%, rgba(45, 100, 240, 0.15) 0%, transparent 50%),
    linear-gradient(180deg, transparent 0%, rgba(var(--color-neon-glow), 0.08) 50%, transparent 100%);
  animation: heroPulse 5s ease-in-out infinite alternate;
}
@keyframes heroPulse {
  0% { opacity: 0.7; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.05); }
}
.hero > * { position: relative; z-index: 2; }
.hero-logo {
  display: block; margin: 0 auto var(--space-lg);
  filter: drop-shadow(0 0 30px rgba(var(--color-neon-glow), 0.5)) drop-shadow(0 0 60px rgba(var(--color-neon-glow), 0.2));
  animation: logoFloat 4s ease-in-out infinite alternate;
}
@keyframes logoFloat {
  0% { transform: translateY(0); }
  100% { transform: translateY(-6px); }
}
.hero h1 {
  font-size: var(--fs-hero); margin-bottom: var(--space-md);
  letter-spacing: -0.04em; text-transform: uppercase;
  text-shadow: 0 0 60px rgba(var(--color-neon-glow), 0.4), 0 0 120px rgba(var(--color-neon-glow), 0.15);
  line-height: 1.05;
}
/* Decorative glow line below hero */
.hero-cta { position: relative; padding-bottom: var(--space-xl); }
.hero-cta::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 120px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), rgba(120,40,200,0.6), transparent);
  box-shadow: 0 0 16px rgba(var(--color-neon-glow), 0.5);
}
.hero p { font-size: 1.125rem; color: var(--color-text-muted); max-width: 600px; margin: 0 auto var(--space-xl); letter-spacing: 0.01em; }
/* Animated gradient border at hero bottom */
.hero { border-bottom: none; }
.hero + * { position: relative; }
.hero + *::before {
  content: ''; position: absolute; top: -2px; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--color-accent) 20%, rgba(120,40,200,0.8) 50%, var(--color-accent) 80%, transparent 100%);
  box-shadow: 0 0 20px rgba(var(--color-neon-glow), 0.5), 0 0 60px rgba(var(--color-neon-glow), 0.2);
  animation: borderPulse 3s ease-in-out infinite alternate;
}
@keyframes borderPulse { 0% { opacity: 0.6; } 100% { opacity: 1; } }
.hero-cta { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg); border-radius: var(--radius-md);
  font-family: var(--font-heading); font-weight: 600; font-size: var(--fs-body);
  cursor: pointer; border: none; transition: all var(--transition-base);
  min-height: 44px; min-width: 44px;
}
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, #1a6dd4 100%);
  color: #fff; box-shadow: 0 0 20px rgba(var(--color-neon-glow), 0.3), inset 0 1px 0 rgba(255,255,255,0.15);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-hover) 0%, var(--color-accent) 100%);
  transform: translateY(-2px); color: #fff;
  box-shadow: 0 0 30px rgba(var(--color-neon-glow), 0.5), 0 8px 24px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-secondary { background: rgba(255,255,255,0.04); border: 1px solid var(--color-border); color: var(--color-text); }
.btn-secondary:hover { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-accent-deep); box-shadow: 0 0 20px rgba(var(--color-neon-glow), 0.1); }

/* ═══════════════════════════════════════════
   6. FILTERS
   ═══════════════════════════════════════════ */
.filter-bar { display: flex; gap: var(--space-sm); flex-wrap: wrap; justify-content: center; padding: var(--space-lg) 0; }
.filter-btn {
  padding: var(--space-sm) var(--space-md); border-radius: 100px;
  background: var(--color-tag-bg); color: var(--color-tag-text); border: 1px solid transparent;
  font-size: var(--fs-small); font-weight: 500; cursor: pointer; transition: all var(--transition-fast);
  min-height: 44px;
}
.filter-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.filter-btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.filter-btn.active { background: var(--color-accent); color: #fff; border-color: var(--color-accent); box-shadow: 0 0 16px rgba(var(--color-neon-glow), 0.4), 0 2px 8px rgba(0,0,0,0.3); }

/* ═══════════════════════════════════════════
   7. CATEGORY GRID
   ═══════════════════════════════════════════ */
.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-lg); padding: var(--space-xl) 0; }
.category-card {
  background: var(--color-surface); backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--color-border); box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 4px 24px rgba(0,0,0,0.3);
  border-radius: var(--radius-lg); padding: var(--space-xl);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1); position: relative; overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.category-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  box-shadow: 0 0 12px currentColor;
}
.category-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; border-radius: var(--radius-lg); pointer-events: none; opacity: 0; transition: opacity 0.4s ease;
}
.category-card:hover::after { opacity: 1; }
.category-card[data-category="business"]::before { background: linear-gradient(180deg, var(--color-category-business), rgba(255,107,53,0.3)); box-shadow: 0 0 16px rgba(255,107,53,0.4); }
.category-card[data-category="business"]:hover::after { box-shadow: inset 0 0 40px rgba(255,107,53,0.1); }
.category-card[data-category="clients"]::before { background: linear-gradient(180deg, var(--color-category-clients), rgba(255,209,102,0.3)); box-shadow: 0 0 16px rgba(255,209,102,0.4); }
.category-card[data-category="clients"]:hover::after { box-shadow: inset 0 0 40px rgba(255,209,102,0.1); }
.category-card[data-category="performance"]::before { background: linear-gradient(180deg, var(--color-category-performance), rgba(6,214,160,0.3)); box-shadow: 0 0 16px rgba(6,214,160,0.4); }
.category-card[data-category="performance"]:hover::after { box-shadow: inset 0 0 40px rgba(6,214,160,0.1); }
.category-card[data-category="legal"]::before { background: linear-gradient(180deg, var(--color-category-legal), rgba(239,71,111,0.3)); box-shadow: 0 0 16px rgba(239,71,111,0.4); }
.category-card[data-category="legal"]:hover::after { box-shadow: inset 0 0 40px rgba(239,71,111,0.1); }
.category-card[data-category="health"]::before { background: linear-gradient(180deg, var(--color-category-health), rgba(17,138,178,0.3)); box-shadow: 0 0 16px rgba(17,138,178,0.4); }
.category-card[data-category="health"]:hover::after { box-shadow: inset 0 0 40px rgba(17,138,178,0.1); }
.category-card[data-category="growth"]::before { background: linear-gradient(180deg, var(--color-category-growth), rgba(123,47,247,0.3)); box-shadow: 0 0 16px rgba(123,47,247,0.4); }
.category-card[data-category="growth"]:hover::after { box-shadow: inset 0 0 40px rgba(123,47,247,0.1); }
.category-card[data-category="craft"]::before { background: linear-gradient(180deg, var(--color-category-craft), rgba(224,86,160,0.3)); box-shadow: 0 0 16px rgba(224,86,160,0.4); }
.category-card[data-category="craft"]:hover::after { box-shadow: inset 0 0 40px rgba(224,86,160,0.1); }
.category-card:hover {
  border-color: var(--color-border-hover); transform: translateY(-4px) scale(1.01);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 40px rgba(var(--color-neon-glow), 0.08), inset 0 1px 0 rgba(255,255,255,0.1);
}
.category-card h3 { margin-top: 0; }
.category-card p { color: var(--color-text-muted); font-size: var(--fs-small); margin-bottom: var(--space-sm); }
.category-count { font-size: var(--fs-xs); color: var(--color-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }

/* ═══════════════════════════════════════════
   8. PLAYBOOK CARDS (used on category + homepage)
   ═══════════════════════════════════════════ */
.playbook-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-lg); padding: var(--space-lg) 0; }
.playbook-card {
  display: block; background: var(--color-surface); backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 2px 12px rgba(0,0,0,0.25);
  padding: var(--space-lg); transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  color: inherit; text-decoration: none; cursor: pointer; position: relative; overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.playbook-card::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(var(--color-neon-glow), 0.06) 0%, transparent 70%);
  opacity: 0; transition: opacity 0.4s ease;
}
.playbook-card:hover::before { opacity: 1; }
.playbook-card:hover {
  border-color: var(--color-border-hover); transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.35), 0 0 30px rgba(var(--color-neon-glow), 0.06);
}
.playbook-card h3 { font-size: var(--fs-body); margin-top: 0; color: var(--color-heading); }
.playbook-card:hover h3 { color: var(--color-accent); }
.playbook-card h3 a { color: inherit; text-decoration: none; }
.playbook-card h3 a:hover { color: inherit; }
.playbook-card p { font-size: var(--fs-small); color: var(--color-text-muted); margin-bottom: var(--space-sm); }
.playbook-card .tags { display: flex; gap: var(--space-xs); flex-wrap: wrap; }
.tag {
  display: inline-block; padding: 3px var(--space-sm); border-radius: 100px;
  font-size: var(--fs-xs); font-weight: 500; background: rgba(var(--color-neon-glow), 0.08);
  color: var(--color-accent); border: 1px solid rgba(var(--color-neon-glow), 0.15);
  letter-spacing: 0.02em;
}

/* ═══════════════════════════════════════════
   9. PLAYBOOK PAGE LAYOUT
   ═══════════════════════════════════════════ */
.playbook-layout { display: grid; grid-template-columns: 1fr; gap: var(--space-xl); padding: var(--space-xl) 0; }
.playbook-content { min-width: 0; }
.playbook-header { margin-bottom: var(--space-xl); }
.playbook-header .category-tag {
  display: inline-block; padding: var(--space-xs) var(--space-sm); border-radius: var(--radius-sm);
  font-size: var(--fs-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}
.playbook-header h1 { margin-bottom: var(--space-sm); }
.playbook-subtitle { font-size: 1.125rem; color: var(--color-text-muted); margin-bottom: var(--space-md); }
.playbook-meta { display: flex; gap: var(--space-md); flex-wrap: wrap; font-size: var(--fs-xs); color: var(--color-text-muted); }
.playbook-section { margin-bottom: var(--space-2xl); }
.playbook-section h2 {
  color: var(--color-accent); font-size: var(--fs-h2); padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border); position: relative;
  text-shadow: 0 0 30px rgba(var(--color-neon-glow), 0.2);
}

/* Playbook content enhancements */
.playbook-section ul, .playbook-section ol {
  background: rgba(var(--color-neon-glow), 0.03); border-left: 3px solid rgba(var(--color-neon-glow), 0.2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-lg);
}
.playbook-section li { margin-bottom: var(--space-sm); }
.playbook-section li strong { color: var(--color-accent); }
.playbook-section h3 {
  color: var(--color-heading); font-size: 1.125rem; margin-top: var(--space-xl);
  padding-left: var(--space-md); border-left: 3px solid var(--color-accent);
}
.playbook-section table {
  width: 100%; border-collapse: collapse; margin: var(--space-lg) 0;
  background: var(--color-surface); border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--color-border);
}
.playbook-section th {
  background: rgba(var(--color-neon-glow), 0.08); color: var(--color-accent);
  padding: var(--space-sm) var(--space-md); text-align: left; font-size: var(--fs-small); font-weight: 600;
  border-bottom: 1px solid var(--color-border);
}
.playbook-section td {
  padding: var(--space-sm) var(--space-md); border-bottom: 1px solid var(--color-border); font-size: var(--fs-small);
}
.playbook-section em {
  display: block; background: rgba(var(--color-neon-glow), 0.04); border-radius: var(--radius-sm);
  padding: var(--space-md) var(--space-lg); margin: var(--space-md) 0;
  border-left: 3px solid rgba(var(--color-neon-glow), 0.3); color: var(--color-text); font-style: italic;
}

/* Sidebar */
.playbook-sidebar { display: flex; flex-direction: column; gap: var(--space-lg); }
.sidebar-block {
  background: var(--color-surface); backdrop-filter: blur(16px);
  border: 1px solid var(--color-border); box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
  border-radius: var(--radius-md); padding: var(--space-lg);
}
.sidebar-block h3 { font-size: var(--fs-body); margin-top: 0; margin-bottom: var(--space-md); }
.related-list { list-style: none; padding: 0; }
.related-list li { margin-bottom: var(--space-sm); }
.related-list a { font-size: var(--fs-small); }

/* ═══════════════════════════════════════════
   10. BREADCRUMB
   ═══════════════════════════════════════════ */
.breadcrumb {
  padding: var(--space-md) 0; font-size: var(--fs-small); color: var(--color-text-muted);
}
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-xs); padding: 0; margin: 0; }
.breadcrumb li + li::before { content: '/'; margin-right: var(--space-xs); color: var(--color-border); }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb [aria-current="page"] { color: var(--color-text); }

/* ═══════════════════════════════════════════
   11. EMAIL CAPTURE
   ═══════════════════════════════════════════ */
.email-capture {
  background: linear-gradient(135deg, var(--color-surface) 0%, rgba(var(--color-neon-glow), 0.06) 100%);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-2xl); text-align: center; position: relative; overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.05);
}
.email-capture::before {
  content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(var(--color-neon-glow), 0.05) 0%, transparent 50%);
  z-index: 0; pointer-events: none;
}
.email-capture > * { position: relative; z-index: 1; }
.email-capture h2, .email-capture h3 { margin-top: 0; }
.email-capture p { color: var(--color-text-muted); }
.email-form { display: flex; gap: var(--space-sm); max-width: 480px; margin: var(--space-md) auto 0; flex-wrap: wrap; }
.sidebar-block .email-form { flex-direction: column; }
.sidebar-block .email-form .btn { width: 100%; justify-content: center; }
.email-form input[type="email"] {
  flex: 1; padding: var(--space-sm) var(--space-md); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-bg); color: var(--color-text);
  font-size: var(--fs-body); min-height: 44px;
}
.email-form input[type="email"]:focus { border-color: var(--color-accent); outline: none; box-shadow: 0 0 0 3px var(--color-accent-glow), 0 0 20px rgba(var(--color-neon-glow), 0.1); }
.email-form .btn { white-space: nowrap; }
.email-error { color: var(--color-error); font-size: var(--fs-small); margin-top: var(--space-xs); display: none; }

/* ═══════════════════════════════════════════
   12. FOOTER
   ═══════════════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--color-border); padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: var(--space-4xl); color: var(--color-text-muted); font-size: var(--fs-small);
  background: linear-gradient(180deg, transparent 0%, rgba(var(--color-neon-glow), 0.02) 100%);
}
.footer-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-xl); }
.footer-brand p { margin-top: var(--space-sm); }
.footer-links h4 { font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text); margin-bottom: var(--space-md); }
.footer-links ul { list-style: none; padding: 0; }
.footer-links li { margin-bottom: var(--space-xs); }
.footer-links a { color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-accent); }
.footer-bottom { text-align: center; margin-top: var(--space-2xl); padding-top: var(--space-lg); border-top: 1px solid var(--color-border); }

/* ═══════════════════════════════════════════
   13. 404 PAGE
   ═══════════════════════════════════════════ */
.error-page { text-align: center; padding: var(--space-4xl) 0; }
.error-page h1 { font-size: var(--fs-hero); color: var(--color-accent); }
.error-page p { color: var(--color-text-muted); font-size: 1.125rem; margin-bottom: var(--space-xl); }

/* ═══════════════════════════════════════════
   14. POPULAR PLAYBOOKS
   ═══════════════════════════════════════════ */
.popular-section { padding: var(--space-2xl) 0; }
.section-heading {
  font-size: var(--fs-h2); text-align: center; margin-bottom: var(--space-xl);
  position: relative;
}
.section-heading::after {
  content: ''; display: block; width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--color-accent), rgba(var(--color-neon-glow), 0.3));
  margin: var(--space-sm) auto 0; border-radius: 2px;
  box-shadow: 0 0 12px rgba(var(--color-neon-glow), 0.4);
}

/* ═══════════════════════════════════════════
   15. RESPONSIVE: TABLET (768px+)
   ═══════════════════════════════════════════ */
@media (min-width: 768px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .playbook-grid { grid-template-columns: repeat(2, 1fr); }
  .playbook-layout { grid-template-columns: 1fr var(--sidebar-width); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .email-form { flex-direction: row; }
}

/* ═══════════════════════════════════════════
   16. RESPONSIVE: DESKTOP (1200px+)
   ═══════════════════════════════════════════ */
@media (min-width: 1200px) {
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .category-card[data-category="performance"] { grid-column: span 2; }
  .playbook-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ═══════════════════════════════════════════
   17. RESPONSIVE: SMALL MOBILE (344px)
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    background: rgba(5, 5, 12, 0.92); backdrop-filter: blur(24px) saturate(180%);
    flex-direction: column;
    padding: var(--space-4xl) var(--space-xl) var(--space-xl);
    transition: right 0.4s cubic-bezier(0.23, 1, 0.32, 1); z-index: 99;
    border-left: 1px solid var(--color-border);
    box-shadow: -8px 0 40px rgba(0,0,0,0.5);
  }
  .nav-open .nav-links { right: 0; }
  .nav-links a { font-size: var(--fs-body); }
}

@media (max-width: 344px) {
  .container { padding: 0 12px; }
  .hero { padding: var(--space-2xl) 0; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .category-card { padding: var(--space-md); }
  .playbook-card { padding: var(--space-md); }
  .email-form { flex-direction: column; }
  .filter-bar { gap: var(--space-xs); }
  .filter-btn { font-size: var(--fs-xs); padding: var(--space-xs) var(--space-sm); }
  .playbook-meta { flex-direction: column; gap: var(--space-xs); }
}

/* ═══════════════════════════════════════════
   18. ACCESSIBILITY
   ═══════════════════════════════════════════ */
/* ═══════════════════════════════════════════
   SCROLL REVEAL ANIMATION
   ═══════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s cubic-bezier(0.23, 1, 0.32, 1), transform 0.6s cubic-bezier(0.23, 1, 0.32, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════════
   CURSOR SPOTLIGHT
   ═══════════════════════════════════════════ */
.spotlight-layer {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(var(--color-neon-glow), 0.06), transparent 80%);
  transition: background 0.15s ease;
}

/* ═══════════════════════════════════════════
   LINK GLOW ON HOVER
   ═══════════════════════════════════════════ */
.related-list a:hover { text-shadow: 0 0 12px rgba(var(--color-neon-glow), 0.4); }
.nav-links a:hover { text-shadow: 0 0 10px rgba(var(--color-neon-glow), 0.3); }

/* ═══════════════════════════════════════════
   MOBILE NAV GLASSMORPHISM
   ═══════════════════════════════════════════ */

/* ═══════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════ */
.about-section { padding: var(--space-2xl) 0; }
.about-grid { display: grid; grid-template-columns: 468px 1fr; gap: var(--space-xl); align-items: start; }
.about-photo { border-radius: 12px; overflow: hidden; border: 2px solid var(--color-border); }
.about-photo img { width: 100%; height: auto; display: block; }
.about-content h2 { margin-bottom: var(--space-md); letter-spacing: 0.04em; }
.about-content p { color: var(--color-text-muted); line-height: 1.8; margin-bottom: var(--space-md); }
.about-content p strong { color: var(--color-text); }
.about-cred { display: flex; gap: var(--space-lg); flex-wrap: wrap; margin-top: var(--space-lg); padding-top: var(--space-lg); border-top: 1px solid var(--color-border); }
.about-stat { text-align: center; min-width: 100px; }
.about-stat-number { font-family: var(--font-heading); font-size: 2.2rem; color: var(--color-accent); display: block; line-height: 1; }
.about-stat-label { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 4px; display: block; }
.about-link { color: var(--color-accent); text-decoration: none; font-weight: 600; transition: var(--transition-base); }
.about-link:hover { color: var(--color-accent-hover); text-shadow: 0 0 12px rgba(var(--color-neon-glow), 0.4); }
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 390px; }
  .about-cred { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  body::after { display: none; }
  .hero::before { animation: none; }
  .hero-logo { animation: none; }
}

/* Hidden but accessible */
.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;
}