/* ================================
   TheAIGuy.gg Global Stylesheet
   ================================ */

/* ================================
   1. CSS Variables (Design Tokens)
   ================================ */
:root {
  /* Colors */
  --bg-dark: #0a0a0f;
  --bg-darker: #050508;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a25;
  --accent-gold: #c9a227;
  --accent-gold-dim: #8a7020;
  --accent-gold-bright: #e8d78a;
  --accent-red: #8b2635;
  --accent-red-bright: #c43545;
  --text-primary: #e8e6e3;
  --text-secondary: #9a9590;
  --text-dim: #5a5550;
  --border-subtle: rgba(201, 162, 39, 0.15);
  --border-accent: rgba(201, 162, 39, 0.4);

  /* Typography */
  --font-display: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Palatino Linotype', 'Book Antiqua', Palatino, serif;
  --font-mono: 'Consolas', 'Monaco', 'Courier New', monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s ease;

  /* Shadows */
  --shadow-glow: 0 0 40px rgba(201, 162, 39, 0.1);
  --shadow-glow-strong: 0 0 60px rgba(201, 162, 39, 0.2);
  --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.5);
  --shadow-lift: 0 20px 50px rgba(0, 0, 0, 0.6);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 80px;
}

/* ================================
   2. Reset & Base Styles
   ================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(201, 162, 39, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(139, 38, 53, 0.03) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  background-blend-mode: normal, normal, overlay;
  background-attachment: fixed;
}

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

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

ul, ol {
  list-style: none;
}

/* ================================
   3. Typography
   ================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.3;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

h3 {
  font-size: 1.3rem;
  letter-spacing: 0.1em;
}

p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

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

.text-gradient {
  background: linear-gradient(180deg, var(--accent-gold) 0%, var(--accent-gold-bright) 50%, var(--accent-gold-dim) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ================================
   4. Layout Components
   ================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

.section-header p {
  max-width: 600px;
  margin: var(--space-sm) auto 0;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--space-md);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ================================
   5. Navigation
   ================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
}

.nav-container {
  width: 100%;
  padding: 0 var(--space-xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  transition: color var(--transition-fast);
}

.nav-logo:hover {
  color: var(--accent-gold-bright);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-gold);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-gold);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--accent-gold);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ================================
   6. Cards & Panels
   ================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: var(--space-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--border-accent);
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow), var(--shadow-lift);
}

.card-header {
  margin-bottom: var(--space-sm);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--accent-gold);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.card-description {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.card-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Category Cards (Landing Page) */
.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gold);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.category-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-10px);
  box-shadow: var(--shadow-glow-strong), var(--shadow-lift);
}

.category-card:hover::before {
  opacity: 1;
}

.category-card.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.category-card.disabled:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--border-subtle);
}

.category-card.disabled::before {
  display: none;
}

.category-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  display: block;
}

.category-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--text-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.category-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.category-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 20px;
  margin-top: auto;
}

.category-badge.active {
  background: rgba(201, 162, 39, 0.15);
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
}

.category-badge.coming-soon {
  background: rgba(90, 85, 80, 0.2);
  color: var(--text-dim);
  border: 1px solid var(--text-dim);
}

/* ================================
   7. Buttons & Interactive
   ================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 6px;
  border: 1px solid var(--accent-gold);
  background: transparent;
  color: var(--accent-gold);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn:hover {
  background: var(--accent-gold);
  color: var(--bg-dark);
}

.btn-primary {
  background: var(--accent-gold);
  color: var(--bg-dark);
}

.btn-primary:hover {
  background: var(--accent-gold-bright);
  border-color: var(--accent-gold-bright);
}

.btn-ghost {
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: transparent;
}

.btn-sm {
  font-size: 0.8rem;
  padding: 10px 20px;
}

/* ================================
   8. Hero Section
   ================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--nav-height) var(--space-md) var(--space-lg);
  position: relative;
}

.hero-content {
  max-width: 800px;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  letter-spacing: 0.3em;
  margin-bottom: var(--space-sm);
  background: linear-gradient(180deg, var(--accent-gold) 0%, var(--accent-gold-bright) 50%, var(--accent-gold-dim) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 80px rgba(201, 162, 39, 0.3);
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  letter-spacing: 0.2em;
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.hero-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  margin: 0 auto var(--space-md);
}

/* ================================
   9. Breadcrumbs
   ================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: var(--space-md);
  padding-top: calc(var(--nav-height) + var(--space-md));
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--accent-gold);
}

.breadcrumb-separator {
  color: var(--text-dim);
}

.breadcrumb-current {
  color: var(--accent-gold);
}

/* ================================
   10. Footer
   ================================ */
.footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-lg) 0 var(--space-md);
  margin-top: var(--space-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.footer-section h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

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

.footer-link {
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.social-link:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 0;
}

/* ================================
   11. Page Headers
   ================================ */
.page-header {
  padding: calc(var(--nav-height) + var(--space-lg)) 0 var(--space-lg);
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--space-lg);
}

.page-header h1 {
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.page-header h1::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

.page-header p {
  max-width: 600px;
  margin: var(--space-md) auto 0;
}

/* ================================
   12. Utility Classes
   ================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.hidden { display: none; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ================================
   13. Responsive Styles
   ================================ */

/* Tablet */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: span 2;
    max-width: none;
    text-align: center;
    margin-bottom: var(--space-md);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle {
    display: flex;
  }

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

  .hero-title {
    letter-spacing: 0.15em;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    grid-column: 1;
  }

  .footer-social {
    justify-content: center;
  }

  .category-card {
    min-height: 220px;
    padding: var(--space-md);
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .hero-subtitle {
    letter-spacing: 0.1em;
  }

  .btn {
    width: 100%;
  }
}