/* Modern UI Enhancements for ProReviewHub */

/* ============================================
   ENHANCED HEADER & NAVIGATION
   ============================================ */

.site-header {
  background: rgba(59, 130, 246, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.site-header.scrolled {
  background: rgba(59, 130, 246, 0.98);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
}

.site-logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  transition: all 0.3s ease;
}

.site-logo:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* Desktop Navigation - Enhanced */
@media (min-width: 768px) {
  .desktop-nav {
    display: flex !important;
  }
  
  .desktop-nav ul {
    gap: 0.5rem;
  }
  
  .desktop-nav a {
    position: relative;
    padding: 0.625rem 1.25rem;
    border-radius: 0.75rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
  }
  
  .desktop-nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.15);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
  }
  
  .desktop-nav a:hover::before {
    transform: scaleX(1);
  }
  
  .desktop-nav a:hover {
    transform: translateY(-2px);
    color: #ffffff;
  }
  
  .header-actions {
    display: flex !important;
    align-items: center;
    gap: 1rem;
  }
  
  .mobile-menu-toggle {
    display: none !important;
  }
}

/* Theme Toggle - Enhanced */
.theme-toggle {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.75rem;
  padding: 0.625rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: rotate(15deg) scale(1.1);
}

.theme-toggle svg {
  color: white;
  transition: all 0.3s ease;
}

/* ============================================
   ENHANCED HERO SECTION
   ============================================ */

.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 4rem 2rem;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    rgba(59, 130, 246, 0.1) 0%,
    rgba(139, 92, 246, 0.1) 50%,
    rgba(236, 72, 153, 0.1) 100%);
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
  animation: patternMove 20s ease infinite;
}

@keyframes patternMove {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-20px, -20px);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  text-align: center;
  animation: fadeInUp 0.8s ease-out;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 2rem;
  animation: fadeIn 1s ease-out 0.2s both;
}

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

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: #1a202c;
  letter-spacing: -0.02em;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-gradient-text {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: gradientText 3s ease infinite;
}

@keyframes gradientText {
  0%, 100% {
    background-position: 0% center;
  }
  50% {
    background-position: 100% center;
  }
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: #4a5568;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.7s both;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 0.75rem;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.9);
  color: #3b82f6;
  border: 2px solid #3b82f6;
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: #3b82f6;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: #718096;
  font-size: 0.875rem;
  font-weight: 500;
  animation: bounce 2s ease infinite;
  z-index: 1;
}

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

/* ============================================
   ENHANCED CATEGORY CARDS
   ============================================ */

.category-card {
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}

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

.category-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.category-icon {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card:hover .category-icon {
  transform: scale(1.15) rotate(5deg);
}

.category-arrow {
  transition: all 0.3s ease;
}

.category-card:hover .category-arrow {
  transform: translateX(8px);
  color: #3b82f6;
}

/* ============================================
   ENHANCED POST CARDS
   ============================================ */

.modern-post {
  animation: fadeInUp 0.6s ease-out;
}

.post-hero {
  margin-bottom: 3rem;
  padding: 2rem 0;
  border-bottom: 2px solid rgba(59, 130, 246, 0.1);
}

.post-hero-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: #1a202c;
  letter-spacing: -0.02em;
}

.post-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
}

.author-badge,
.date-badge,
.reading-time {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #3b82f6;
  transition: all 0.3s ease;
}

.author-badge:hover,
.date-badge:hover,
.reading-time:hover {
  background: rgba(59, 130, 246, 0.2);
  transform: translateY(-2px);
}

.post-featured-image {
  margin: 3rem 0;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  transition: all 0.4s ease;
}

.post-featured-image:hover {
  transform: scale(1.02);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.2);
}

.post-featured-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

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

.post-content-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.modern-typography {
  font-size: 1.125rem;
  line-height: 1.8;
  color: #2d3748;
}

.modern-typography h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  color: #1a202c;
  line-height: 1.3;
}

.modern-typography h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: #2d3748;
}

.modern-typography p {
  margin-bottom: 1.5rem;
}

.modern-typography a {
  color: #3b82f6;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: all 0.3s ease;
}

.modern-typography a:hover {
  color: #2563eb;
  text-decoration-thickness: 2px;
}

/* ============================================
   ENHANCED TAGS
   ============================================ */

.post-tags-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 2px solid rgba(59, 130, 246, 0.1);
}

.tags-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #1a202c;
}

.tags-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.modern-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 50px;
  color: #3b82f6;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modern-tag:hover {
  background: #3b82f6;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* ============================================
   ENHANCED AUTHOR BOX
   ============================================ */

.author-box {
  margin-top: 4rem;
  padding: 2.5rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 1.5rem;
  transition: all 0.3s ease;
}

.author-box:hover {
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
}

.author-box-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #1a202c;
}

.author-box-content {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.author-box-image {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(59, 130, 246, 0.2);
}

.author-box-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-box-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #1a202c;
}

.author-box-role {
  color: #718096;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.author-box-bio {
  color: #4a5568;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.author-box-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #3b82f6;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.author-box-link:hover {
  gap: 0.75rem;
  color: #2563eb;
}

/* ============================================
   ENHANCED FOOTER
   ============================================ */

.site-footer {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #cbd5e1;
  margin-top: 6rem;
  padding: 4rem 2rem 2rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: #3b82f6;
  transform: translateX(4px);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #64748b;
}

/* ============================================
   RESPONSIVE ENHANCEMENTS
   ============================================ */

@media (max-width: 768px) {
  .hero-section {
    min-height: 70vh;
    padding: 2rem 1rem;
  }
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  
  .category-grid {
    grid-template-columns: 1fr;
  }
  
  .post-hero-title {
    font-size: 2rem;
  }
  
  .author-box-content {
    flex-direction: column;
    text-align: center;
  }
  
  .author-box-image {
    margin: 0 auto;
  }
}

/* ============================================
   SMOOTH SCROLLING
   ============================================ */

html {
  scroll-behavior: smooth;
}

/* ============================================
   LOADING ANIMATIONS
   ============================================ */

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.loading-shimmer {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0.1) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}