/* SmartGen Blog - Premium Glassmorphism Design */

:root {
  --blog-primary: #2563eb;
  --blog-secondary: #1e40af;
  --blog-accent: #7c3aed;
  --blog-glass-bg: rgba(255, 255, 255, 0.95);
  --blog-glass-border: rgba(0, 0, 0, 0.08);
  --blog-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  --blog-text-primary: #1f2937;
  --blog-text-secondary: #4b5563;
  --blog-text-light: #9ca3af;
}

.dark-theme {
  --blog-glass-bg: rgba(17, 24, 39, 0.8);
  --blog-glass-border: rgba(255, 255, 255, 0.15);
  --blog-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  --blog-text-primary: #f3f4f6;
  --blog-text-secondary: #d1d5db;
  --blog-text-light: #9ca3af;
}

/* ============ BLOG ARCHIVE PAGE ============ */

.blog-hero {
  padding: 8rem 2rem 4rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.1), transparent);
  border-radius: 50%;
  pointer-events: none;
}

.blog-hero-title {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 800;
  color: var(--blog-text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.blog-hero-subtitle {
  font-size: 1.25rem;
  color: var(--blog-text-secondary);
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 1.6;
}

.blog-search-bar {
  max-width: 600px;
  margin: 0 auto 3rem;
}

.blog-search-input {
  width: 100%;
  padding: 14px 20px;
  border-radius: 50px;
  border: 2px solid var(--blog-glass-border);
  background: var(--blog-glass-bg);
  backdrop-filter: blur(12px);
  font-size: 1rem;
  color: var(--blog-text-primary);
  transition: all 0.3s ease;
  font-family: 'Inter', sans-serif;
}

.blog-search-input:focus {
  outline: none;
  border-color: var(--blog-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background: var(--blog-glass-bg);
}

.blog-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.filter-tag {
  padding: 10px 24px;
  border-radius: 50px;
  background: var(--blog-glass-bg);
  border: 2px solid var(--blog-glass-border);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--blog-text-primary);
  font-family: 'Inter', sans-serif;
}

.filter-tag:hover {
  transform: translateY(-2px);
  border-color: var(--blog-primary);
  background: rgba(37, 99, 235, 0.1);
}

.filter-tag.active {
  background: var(--blog-primary);
  color: white;
  border-color: var(--blog-primary);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
  transform: translateY(-4px);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2.5rem;
  margin: 4rem 0;
}

/* ==========================================
   PREMIUM BLOG CARDS
   ========================================== */
.blog-card {
  background: var(--blog-glass-bg);
  border: 1px solid var(--blog-glass-border);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--blog-shadow);
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(12px);
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.12);
  border-color: var(--blog-primary);
}

.blog-card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-bottom: 1px solid var(--blog-glass-border);
}

.blog-card-content {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-tag {
  display: inline-block;
  padding: 6px 14px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(124, 58, 237, 0.15));
  color: var(--blog-primary);
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 12px;
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blog-card-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  line-height: 1.4;
  color: var(--blog-text-primary);
  transition: color 0.3s ease;
}

.blog-card:hover .blog-card-title {
  color: var(--blog-primary);
}

.blog-card-excerpt {
  font-size: 1rem;
  color: var(--blog-text-secondary);
  line-height: 1.6;
  margin-bottom: auto;
  flex-grow: 1;
}

.blog-card-footer {
  padding: 1.25rem 2rem;
  background: rgba(0, 0, 0, 0.02);
  border-top: 1px solid var(--blog-glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--blog-text-light);
  font-weight: 500;
}

.dark-theme .blog-card-footer {
  background: rgba(255, 255, 255, 0.02);
}

/* Premium Read More Button */
.premium-read-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 1.5rem;
  padding: 10px 24px;
  background: transparent;
  color: var(--blog-primary);
  border: 2px solid var(--blog-primary);
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  width: fit-content;
  transition: all 0.3s ease;
}

.blog-card:hover .premium-read-btn {
  background: var(--blog-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* ============ BLOG POST PAGE ============ */

.blog-post-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
}

.blog-post-article {
  background: var(--blog-glass-bg);
  border: 1px solid var(--blog-glass-border);
  border-radius: 24px;
  padding: 4rem;
  backdrop-filter: blur(12px);
  box-shadow: var(--blog-shadow);
}

/* Fixed the sticky header issue here */
.blog-post-header {
  text-align: center;
  margin-bottom: 3rem;
  position: relative !important;
  top: auto !important;
  background: transparent !important;
  box-shadow: none !important;
  z-index: 1 !important;
}

.blog-post-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.5rem;
  color: var(--blog-text-secondary);
  font-size: 0.95rem;
  flex-wrap: wrap;
}

.meta-separator {
  color: var(--blog-text-light);
}

.blog-post-category {
  display: inline-block;
  padding: 4px 12px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(124, 58, 237, 0.15));
  color: var(--blog-primary);
  border-radius: 6px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.blog-post-author {
  font-weight: 600;
  color: var(--blog-primary);
}

.blog-post-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--blog-text-primary);
  letter-spacing: -0.02em;
}

.blog-post-excerpt {
  font-size: 1.1rem;
  color: var(--blog-text-secondary);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.7;
}

.blog-post-featured-image {
  width: 100%;
  border-radius: 20px;
  margin: 3rem 0;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  object-fit: cover;
}

.blog-post-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--blog-text-primary);
  margin: 3rem 0;
}

.blog-post-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin: 2.5rem 0 1.25rem;
  color: var(--blog-text-primary);
  border-left: 4px solid var(--blog-primary);
  padding-left: 1rem;
}

.blog-post-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2rem 0 1rem;
  color: var(--blog-text-primary);
}

.blog-post-content p {
  margin-bottom: 1.5rem;
}

.blog-post-content img {
  max-width: 100%;
  border-radius: 16px;
  margin: 2rem 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.blog-post-content blockquote {
  border-left: 4px solid var(--blog-accent);
  padding: 1.5rem 2rem;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(37, 99, 235, 0.05));
  border-radius: 0 12px 12px 0;
  font-style: italic;
  margin: 2rem 0;
  color: var(--blog-text-secondary);
}

.blog-post-content pre {
  background: #1f2937;
  color: #f3f4f6;
  padding: 1.5rem;
  border-radius: 12px;
  overflow-x: auto;
  margin: 2rem 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.blog-post-content a {
  color: var(--blog-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
  border-bottom: 2px solid rgba(37, 99, 235, 0.3);
}

.blog-post-content a:hover {
  color: var(--blog-secondary);
  border-bottom-color: var(--blog-primary);
}

.blog-post-content ul,
.blog-post-content ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

.blog-post-content li {
  margin-bottom: 0.75rem;
}

.blog-post-footer {
  padding-top: 2rem;
  border-top: 2px solid var(--blog-glass-border);
  margin-top: 3rem;
}

.blog-post-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.blog-tag {
  display: inline-block;
  padding: 8px 16px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
  color: var(--blog-primary);
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.blog-tag:hover {
  background: var(--blog-primary);
  color: white;
  transform: translateY(-2px);
}

/* ============ RELATED POSTS ============ */

.blog-related-posts {
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 2px solid var(--blog-glass-border);
}

.related-posts-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--blog-text-primary);
}

/* ============ RESPONSIVE DESIGN ============ */

@media (max-width: 768px) {
  .blog-hero {
    padding: 5rem 1.5rem 3rem;
  }

  .blog-hero-title {
    font-size: 2rem;
  }

  .blog-hero-subtitle {
    font-size: 1rem;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .blog-post-article {
    padding: 2rem 1.5rem;
  }

  .blog-post-title {
    font-size: 1.75rem;
  }

  .blog-post-content {
    font-size: 1rem;
  }

  .blog-post-content h2 {
    font-size: 1.5rem;
  }

  .blog-post-content h3 {
    font-size: 1.25rem;
  }

  .blog-post-meta {
    flex-direction: column;
    gap: 8px;
  }

  .blog-filters {
    gap: 8px;
  }

  .filter-tag {
    padding: 8px 16px;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .blog-hero {
    padding: 3rem 1rem 2rem;
  }

  .blog-hero-title {
    font-size: 1.5rem;
  }

  .blog-hero-subtitle {
    font-size: 0.95rem;
  }

  .blog-post-container {
    padding: 3rem 1rem 2rem;
  }

  .blog-post-article {
    padding: 1.5rem 1rem;
    border-radius: 16px;
  }

  .blog-post-title {
    font-size: 1.5rem;
  }

  .blog-post-featured-image {
    margin: 2rem 0;
  }
}

/* ==========================================
   SMOOTH SCROLL ANIMATIONS (Reveal on Scroll)
   ========================================== */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal-up.active,
.reveal-left.active,
.reveal-right.active {
    opacity: 1;
    transform: translate(0);
}

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }