/* CSS Variables for theming */
:root {
  --color-background: #ffffff;
  --color-foreground: #0f172a;
  --color-card: #f8fafc;
  --color-card-hover: #f1f5f9;
  --color-border: #e2e8f0;
  --color-primary: #14b8a6;
  --color-primary-hover: #0d9488;
  --color-secondary: #64748b;
  --color-muted: #94a3b8;
  --color-accent: #06b6d4;

  --gradient-hero: linear-gradient(135deg, #14b8a6 0%, #06b6d4 100%);
  --gradient-teal: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
  --gradient-purple: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
  --gradient-blue: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  --gradient-orange: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  --gradient-green: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-pink: linear-gradient(135deg, #ec4899 0%, #db2777 100%);

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);

  --radius: 0.75rem;
  --transition: all 0.2s ease;
}

.dark {
  --color-background: #0f172a;
  --color-foreground: #f1f5f9;
  --color-card: #1e293b;
  --color-card-hover: #334155;
  --color-border: #334155;
  --color-secondary: #94a3b8;
  --color-muted: #64748b;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  /* box-sizing: border-box; */
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;
  background-color: var(--color-background);
  color: var(--color-foreground);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-hero);
  color: white;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 0.75rem 2rem;
  font-size: 1rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 1rem 0 1rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 4rem 4rem;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 48rem;
  margin: 0 auto;
}

.hero-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.logo-hero {
  height: 14rem;
  width: auto;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3));
  transition: var(--transition);
}

.logo-hero:hover {
  transform: scale(1.05);
}

.hero-tagline {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.hero-title {
  display: none;
}

.hero-subtitle {
  display: none;
}

.hero-description {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

.dark .logo-hero {
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.5)) brightness(1.1);
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-alt {
  background-color: var(--color-card);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-muted);
}

/* Grid */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-3 {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

/* Cards */
.card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
  display: block;
}

.card:hover {
  background-color: var(--color-card-hover);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.1);
}

.card-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.card-icon svg {
  color: white;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-description {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/* Featured Cards */
.card-featured {
  position: relative;
}

.card-icon-gradient {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.card-icon-gradient svg {
  color: white;
}

.card-tag {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  background-color: var(--color-background);
  color: var(--color-primary);
  border-radius: 9999px;
}

/* Category Cards */
.category-card {
  padding: 2rem;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  display: block;
  transition: var(--transition);
}

.category-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.9;
  transition: var(--transition);
}

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

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.category-content {
  position: relative;
  z-index: 1;
}

.category-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.5rem;
}

.category-count {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.5rem;
}

.category-description {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
}

.gradient-teal::before {
  background: var(--gradient-teal);
}

.gradient-purple::before {
  background: var(--gradient-purple);
}

.gradient-blue::before {
  background: var(--gradient-blue);
}

.gradient-orange::before {
  background: var(--gradient-orange);
}

.gradient-green::before {
  background: var(--gradient-green);
}

.gradient-pink::before {
  background: var(--gradient-pink);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 4rem 0;
  text-align: center;
}

.cta-content {
  max-width: 48rem;
  margin: 0 auto;
}

.cta-title {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.75rem;
}

.cta-description {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

/* Page Content */
.page-content {
  padding: 3rem 0;
  min-height: calc(100vh - 16rem);
}

.page-header {
  text-align: center;
  margin-bottom: 3rem;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.page-description {
  font-size: 1.125rem;
  color: var(--color-muted);
}

/* Server Comparison (About Lumen) */
.server-comparison {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.server-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
}

.server-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.server-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.server-card-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
}

.server-status {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: uppercase;
}

.server-status.active {
  background-color: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.server-status.inactive {
  background-color: rgba(148, 163, 184, 0.1);
  color: var(--color-muted);
}

.server-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.detail-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-muted);
}

.detail-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-foreground);
  line-height: 1.6;
}

.detail-note {
  font-size: 0.875rem;
  color: var(--color-muted);
  font-style: italic;
}

.server-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--gradient-hero);
  color: white;
  font-weight: 500;
  border-radius: var(--radius);
  transition: var(--transition);
}

.server-link:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.server-link.disabled {
  background: var(--color-card);
  color: var(--color-muted);
  cursor: not-allowed;
  border: 1px solid var(--color-border);
}

.server-link.disabled:hover {
  transform: none;
  opacity: 1;
}

/* Guide Detail Page (Jadeon) */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.breadcrumb a {
  color: var(--color-primary);
  transition: var(--transition);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.guide-header {
  margin-bottom: 3rem;
}

.guide-meta {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.guide-tag {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--color-card);
  color: var(--color-muted);
  border-radius: 9999px;
  border: 1px solid var(--color-border);
}

.guide-tag.primary {
  background: var(--gradient-teal);
  color: white;
  border: none;
}

.guide-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.guide-subtitle {
  font-size: 1.125rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.guide-content {
  max-width: 48rem;
}

.guide-section {
  margin-bottom: 3rem;
}

.guide-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.guide-section p {
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.info-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
}

.info-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.info-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-foreground);
}

.guide-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  font-weight: 500;
  transition: var(--transition);
}

.guide-link:hover {
  text-decoration: underline;
}

.affinity-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.affinity-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
}

.affinity-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.affinity-item p {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin: 0;
}

.related-factions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.faction-link {
  padding: 0.5rem 1rem;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

.faction-link:hover {
  background-color: var(--color-card-hover);
  border-color: var(--color-primary);
}

/* Classes & Factions Page */
.server-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  justify-content: center;
}

.tab-button {
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  background-color: var(--color-card);
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.tab-button:hover {
  background-color: var(--color-card-hover);
}

.tab-button.active {
  background: var(--gradient-teal);
  color: white;
  border-color: transparent;
}

.classes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.class-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.class-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-primary);
}

.faction-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faction-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.faction-item:hover {
  background-color: var(--color-card);
  border-color: var(--color-primary);
}

.faction-item.unavailable {
  opacity: 0.5;
  cursor: not-allowed;
}

.faction-item.unavailable:hover {
  background-color: var(--color-background);
  border-color: var(--color-border);
}

.faction-name {
  font-weight: 500;
}

.status-badge {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: uppercase;
}

.status-badge.available {
  background-color: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.status-badge.locked {
  background-color: rgba(251, 191, 36, 0.1);
  color: #f59e0b;
}

.status-badge.unavailable {
  background-color: rgba(148, 163, 184, 0.1);
  color: var(--color-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .logo-hero {
    height: 12rem;
  }

  .hero-tagline {
    font-size: 1.25rem;
  }

  .hero-description {
    font-size: 1.125rem;
  }

  .hero {
    padding: 1rem 0 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

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

  .server-comparison {
    grid-template-columns: 1fr;
  }

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

  .guide-header h1 {
    font-size: 2rem;
  }

  .page-header h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .logo-hero {
    height: 10rem;
  }

  .hero-tagline {
    font-size: 1.125rem;
  }

  .hero-logo {
    gap: 0.75rem;
    margin-bottom: 1rem;
  }

  .hero {
    padding: 1rem 0 1rem;
  }
}