/*
Theme Name: SaveDelete Modern
Theme URI: https://savedelete.com
Author: SaveDelete Team
Author URI: https://savedelete.com
Description: A modern, glassmorphic magazine-style theme with smooth animations and interactive features
Template: twentytwentyfive
Version: 1.0.0
License: GPL v2 or later
Text Domain: savedelete-modern
*/

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

/* ===== CSS Variables ===== */
:root {
  /* Light mode colors */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #64748b;
  --color-border: #e2e8f0;
  --color-accent: #6366f1;
  --color-accent-hover: #4f46e5;
  
  /* Category colors */
  --color-ai: #8b5cf6;
  --color-gadgets: #3b82f6;
  --color-software: #10b981;
  --color-startups: #f59e0b;
  --color-gaming: #ef4444;
  --color-lifestyle: #ec4899;
  --color-business: #14b8a6;
  --color-health: #84cc16;
  
  /* Glass effect */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Poppins', var(--font-sans);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;
    --color-text-primary: #f1f5f9;
    --color-text-secondary: #cbd5e1;
    --color-text-tertiary: #94a3b8;
    --color-border: #334155;
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(51, 65, 85, 0.3);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  }
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* ===== Glass Morphism Components ===== */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 16px;
  transition: all var(--transition-base);
}

.glass:hover {
  box-shadow: 0 12px 48px rgba(31, 38, 135, 0.2);
  transform: translateY(-2px);
}

/* ===== Header & Navigation ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
  box-shadow: 0 4px 30px rgba(102, 126, 234, 0.4);
  position: relative;
  overflow: hidden;
}

/* Add animated gradient overlay */
.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.1), 
    transparent
  );
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(30, 60, 114, 0.5);
  }
}

.header-scrolled {
  box-shadow: 0 8px 40px rgba(102, 126, 234, 0.5);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 95%);
}

.nav-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  position: relative;
  z-index: 10;
}

.site-branding {
  flex-shrink: 0;
}

/* Custom Logo Styles */
.custom-logo-link {
  display: inline-block;
  line-height: 0;
}

.custom-logo {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: all var(--transition-fast);
}

.custom-logo:hover {
  transform: scale(1.05);
  filter: brightness(0) invert(1) drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff;
  text-decoration: none;
  transition: all var(--transition-base);
  display: inline-block;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.site-logo:hover {
  transform: scale(1.05) translateY(-1px);
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  align-items: center;
  margin: 0;
  padding: 0;
  flex: 1;
  justify-content: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  transition: all var(--transition-fast);
  position: relative;
  display: inline-block;
  white-space: nowrap;
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.25);
  font-weight: 600;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Navigation Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-action-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 1.1rem;
}

.nav-action-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-subscribe-btn {
  padding: 0.6rem 1.5rem;
  background: rgba(255, 255, 255, 0.95);
  color: #667eea;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-base);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-subscribe-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  background: #ffffff;
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  min-width: 180px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  padding: 0.5rem;
  list-style: none;
  margin: 0;
}

@media (prefers-color-scheme: dark) {
  .dropdown-menu {
    background: rgba(30, 41, 59, 0.98);
    border: 1px solid rgba(51, 65, 85, 0.3);
  }
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-radius: 8px;
  font-size: 0.9rem;
  white-space: nowrap;
}

.dropdown-item:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.05));
  color: var(--color-accent);
  transform: translateX(2px);
}

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: 0.5rem 0;
  opacity: 0.5;
}

/* ===== Hero Section ===== */
.hero-section {
  margin-top: 80px;
  min-height: 70vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.hero-bg-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.1;
  background-image: 
    radial-gradient(circle at 20% 50%, var(--color-accent) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, var(--color-ai) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, var(--color-gadgets) 0%, transparent 50%);
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--spacing-lg);
  align-items: center;
}

.hero-featured {
  grid-column: span 12;
  position: relative;
  height: 500px;
  border-radius: 24px;
  overflow: hidden;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform var(--transition-base);
}

.hero-featured:hover {
  transform: perspective(1000px) rotateY(2deg);
}

.hero-featured-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.hero-featured-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-xl);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
  color: white;
}

.hero-category-badge {
  display: inline-block;
  padding: 6px 12px;
  background: var(--color-accent);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  animation: fadeInUp 0.6s ease-out;
}

.hero-excerpt {
  font-size: 1.125rem;
  line-height: 1.6;
  opacity: 0.9;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease-out;
}

.hero-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.875rem;
  opacity: 0.8;
  animation: fadeInUp 1s ease-out;
}

/* ===== Trending Section ===== */
.trending-section {
  padding: var(--spacing-2xl) 0;
  background: var(--color-bg-secondary);
}

.trending-header {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.trending-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.trending-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-ai));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: rotate 3s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.trending-scroll-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.trending-scroll-container::-webkit-scrollbar {
  height: 8px;
}

.trending-scroll-container::-webkit-scrollbar-track {
  background: var(--color-border);
  border-radius: 4px;
}

.trending-scroll-container::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 4px;
}

.trending-list {
  display: flex;
  gap: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
}

.trending-item {
  flex: 0 0 320px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--spacing-md);
  display: flex;
  gap: var(--spacing-md);
  align-items: start;
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.trending-item:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.2);
}

.trending-number {
  flex: 0 0 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-ai));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: white;
  font-size: 1.25rem;
}

.trending-content {
  flex: 1;
}

.trending-item-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.trending-item-meta {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

/* ===== Categories Grid ===== */
.categories-section {
  padding: var(--spacing-2xl) 0;
}

.categories-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.category-card {
  position: relative;
  padding: var(--spacing-lg) var(--spacing-md);
  border-radius: 16px;
  text-align: center;
  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition-base);
  text-decoration: none;
  color: white;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform-style: preserve-3d;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  opacity: 0.9;
  transition: opacity var(--transition-base);
}

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

.category-card:hover {
  transform: perspective(500px) rotateX(10deg) translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.category-card[data-category="ai"] { --gradient-start: var(--color-ai); --gradient-end: #7c3aed; }
.category-card[data-category="gadgets"] { --gradient-start: var(--color-gadgets); --gradient-end: #2563eb; }
.category-card[data-category="software"] { --gradient-start: var(--color-software); --gradient-end: #059669; }
.category-card[data-category="startups"] { --gradient-start: var(--color-startups); --gradient-end: #dc2626; }
.category-card[data-category="gaming"] { --gradient-start: var(--color-gaming); --gradient-end: #dc2626; }
.category-card[data-category="lifestyle"] { --gradient-start: var(--color-lifestyle); --gradient-end: #db2777; }
.category-card[data-category="business"] { --gradient-start: var(--color-business); --gradient-end: #0891b2; }
.category-card[data-category="health"] { --gradient-start: var(--color-health); --gradient-end: #65a30d; }

.category-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-xs);
  position: relative;
  z-index: 1;
  animation: float 3s ease-in-out infinite;
}

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

.category-name {
  font-weight: 600;
  position: relative;
  z-index: 1;
  font-size: 1.125rem;
}

.category-count {
  font-size: 0.875rem;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

/* ===== Main Articles Grid ===== */
.articles-section {
  padding: var(--spacing-2xl) 0;
  background: var(--color-bg-secondary);
}

.articles-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.article-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
}

.article-card:hover {
  transform: translateY(-8px) rotateX(2deg);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.article-card.featured {
  grid-column: span 2;
  grid-row: span 2;
}

.article-image-container {
  position: relative;
  padding-top: 60%;
  overflow: hidden;
}

.article-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.article-card:hover .article-image {
  transform: scale(1.1);
}

.article-content {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-category {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-accent);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-xs);
}

.article-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--spacing-xs);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-excerpt {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.article-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.author-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-ai));
}

/* ===== Skeleton Loading ===== */
.skeleton {
  animation: skeleton-loading 1.5s infinite ease-in-out;
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 0%,
    var(--color-border) 50%,
    var(--color-bg-tertiary) 100%
  );
  background-size: 200% 100%;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  height: 400px;
  border-radius: 16px;
}

.skeleton-text {
  height: 20px;
  border-radius: 4px;
  margin-bottom: var(--spacing-xs);
}

.skeleton-text.title {
  height: 32px;
  width: 80%;
}

/* ===== Reading Progress Indicator ===== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-border);
  z-index: 1001;
}

.reading-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-ai));
  width: 0%;
  transition: width 100ms ease-out;
}

/* ===== Single Article ===== */
.single-article {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-md);
  margin-top: 80px;
}

.article-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.article-header-category {
  display: inline-block;
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-ai));
  color: white;
  border-radius: 20px;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.6s ease-out;
}

.article-header-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease-out;
}

.article-header-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--color-text-secondary);
  animation: fadeInUp 1s ease-out;
}

.article-featured-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: var(--spacing-2xl);
  animation: fadeIn 1.2s ease-out;
}

.article-body {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text-primary);
}

.article-body h2,
.article-body h3,
.article-body h4 {
  font-family: var(--font-display);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.article-body h2 {
  font-size: 2rem;
  position: relative;
  padding-left: var(--spacing-md);
}

.article-body h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 80%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-ai));
  border-radius: 2px;
}

.article-body p {
  margin-bottom: var(--spacing-md);
}

.article-body blockquote {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--glass-bg);
  border-left: 4px solid var(--color-accent);
  border-radius: 8px;
  font-style: italic;
  position: relative;
}

.article-body blockquote::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 4rem;
  color: var(--color-accent);
  opacity: 0.2;
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: var(--spacing-lg) 0;
}

.article-body a {
  color: var(--color-accent);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast);
}

.article-body a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.article-body a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ===== Table of Contents (Floating) ===== */
.toc-container {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 200px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: var(--spacing-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.toc-container.visible {
  opacity: 1;
  visibility: visible;
}

.toc-title {
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.toc-list {
  list-style: none;
}

.toc-item {
  margin-bottom: var(--spacing-xs);
}

.toc-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  display: block;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all var(--transition-fast);
  position: relative;
}

.toc-link.active {
  color: var(--color-accent);
  background: rgba(99, 102, 241, 0.1);
}

.toc-link:hover {
  color: var(--color-accent);
  padding-left: 12px;
}

/* ===== Share Buttons ===== */
.share-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-md);
  background: var(--glass-bg);
  border-radius: 12px;
  justify-content: center;
}

.share-button {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all var(--transition-base);
  font-size: 1.25rem;
}

.share-button:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.share-button.facebook { background: #1877f2; }
.share-button.twitter { background: #1da1f2; }
.share-button.linkedin { background: #0077b5; }
.share-button.whatsapp { background: #25d366; }
.share-button.email { background: var(--color-accent); }

/* ===== Related Articles ===== */
.related-articles {
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--color-border);
}

.related-title {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

/* ===== Load More Button ===== */
.load-more-container {
  text-align: center;
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-lg) 0;
}

.load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-ai));
  color: white;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.load-more-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.4);
}

.load-more-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.load-more-btn.loading {
  pointer-events: none;
}

.load-more-spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ===== Newsletter Form ===== */
.newsletter-section {
  background: linear-gradient(135deg, var(--color-accent), var(--color-ai));
  color: white;
  padding: var(--spacing-2xl) 0;
  border-radius: 24px;
  margin: var(--spacing-2xl) 0;
}

.newsletter-container {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 0 var(--spacing-md);
}

.newsletter-title {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.newsletter-description {
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 400px;
  margin: 0 auto;
}

.newsletter-input {
  flex: 1;
  padding: 12px 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: white;
  font-size: 1rem;
  transition: all var(--transition-base);
}

.newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.newsletter-input:focus {
  outline: none;
  border-color: white;
  background: rgba(255, 255, 255, 0.2);
}

.newsletter-button {
  padding: 12px 24px;
  background: white;
  color: var(--color-accent);
  border: none;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.newsletter-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-bg-tertiary);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-column h3 {
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--glass-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--color-accent);
  color: white;
  transform: translateY(-4px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

/* ===== Search Overlay ===== */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 600px;
}

.search-box {
  width: 100%;
  padding: 20px 60px 20px 24px;
  font-size: 1.5rem;
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  border-radius: 16px;
  color: var(--color-text-primary);
  transition: all var(--transition-base);
}

.search-box:focus {
  outline: none;
  border-color: var(--color-accent);
}

.search-results {
  margin-top: var(--spacing-md);
  max-height: 400px;
  overflow-y: auto;
  background: var(--glass-bg);
  border-radius: 16px;
  padding: var(--spacing-md);
}

.search-result-item {
  padding: var(--spacing-sm);
  border-radius: 8px;
  margin-bottom: var(--spacing-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  color: inherit;
  display: block;
}

.search-result-item:hover {
  background: rgba(99, 102, 241, 0.1);
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
  gap: 3px;
}

.mobile-menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  display: block;
}

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

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

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

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
  .toc-container {
    display: none;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
  }
  
  .article-card.featured {
    grid-column: span 1;
    grid-row: span 1;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0.75rem 1rem;
  }
  
  .nav-menu {
    position: fixed;
    top: 65px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 65px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem;
    transition: left var(--transition-base);
    justify-content: flex-start;
    gap: 0.5rem;
    overflow-y: auto;
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
  }
  
  @media (prefers-color-scheme: dark) {
    .nav-menu {
      background: rgba(15, 23, 42, 0.98);
    }
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }
  
  .dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    background: rgba(0, 0, 0, 0.03);
    margin-top: 0.5rem;
    display: none;
  }
  
  .dropdown.active .dropdown-menu {
    display: block;
  }
  
  .nav-actions {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .trending-list {
    padding: 0 var(--spacing-sm);
  }
  
  .trending-item {
    flex: 0 0 280px;
  }
  
  .articles-grid {
    grid-template-columns: 1fr;
  }
  
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .newsletter-button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-featured {
    height: 300px;
  }
  
  .hero-featured-overlay {
    padding: var(--spacing-md);
  }
  
  .trending-title {
    font-size: 1.5rem;
  }
  
  .article-title {
    font-size: 1.125rem;
  }
}

/* ===== Print Styles ===== */
@media print {
  .site-header,
  .site-footer,
  .share-buttons,
  .related-articles,
  .newsletter-section,
  .toc-container {
    display: none;
  }
  
  .single-article {
    margin-top: 0;
  }
  
  .article-body {
    font-size: 12pt;
    line-height: 1.5;
  }
}

/* ===== Utility Classes ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.hidden {
  display: none;
}

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