/* ============================================================
   AEYEFIRST — blog.css
   Styles for blog listing page (blog.html) and single post (blog/post.html)
   Depends on css/style.css being loaded first.
   ============================================================ */

/* ── Blog Hero ── */
.blog-hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(99,102,241,0.18) 0%, transparent 70%),
              var(--bg-primary);
}

.blog-hero-orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.blog-hero .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
  animation: orbFloat 12s ease-in-out infinite alternate;
}

.blog-hero .orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #6366f1, #8b5cf6);
  top: -200px; left: -150px;
  animation-delay: 0s;
}

.blog-hero .orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #22d3ee, #6366f1);
  top: -100px; right: -100px;
  animation-delay: -6s;
}

@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 20px) scale(1.05); }
}

.blog-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.blog-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.35);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: #818cf8;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.blog-hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.blog-hero-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

/* ── Search Box ── */
.blog-search-wrapper {
  max-width: 600px;
  margin: 0 auto;
}

.blog-search-box {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(13, 22, 50, 0.8);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  padding: 4px 4px 4px 20px;
  transition: border-color var(--transition), box-shadow var(--transition);
  backdrop-filter: blur(12px);
}

.blog-search-box:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15), var(--shadow-glow);
}

.blog-search-icon {
  color: var(--text-muted);
  font-size: 0.95rem;
  flex-shrink: 0;
  margin-right: 12px;
}

.blog-search-box input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  padding: 10px 0;
}

.blog-search-box input::placeholder { color: var(--text-muted); }

.search-clear-btn {
  padding: 8px 12px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  transition: color var(--transition);
  flex-shrink: 0;
}

.search-clear-btn:hover { color: var(--text-secondary); }

/* ── Blog Listing Section ── */
.blog-listing { padding-top: 60px; }

/* ── Controls Bar ── */
.blog-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.category-pill {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
}

.category-pill:hover {
  border-color: var(--color-primary);
  color: var(--text-primary);
  background: rgba(99,102,241,0.08);
}

.category-pill.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 15px rgba(99,102,241,0.35);
}

.result-count {
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Featured Post ── */
.blog-featured { margin-bottom: 64px; }

.featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  backdrop-filter: blur(10px);
}

.featured-post:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.featured-post-image {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  position: relative;
}

.featured-post-icon {
  font-size: 5rem;
  color: rgba(255,255,255,0.25);
  transition: transform var(--transition);
}

.featured-post:hover .featured-post-icon {
  transform: scale(1.1) rotate(-3deg);
}

.featured-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.featured-post-body {
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}

.featured-post-title {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

.featured-post-title a {
  color: inherit;
  transition: color var(--transition);
}
.featured-post-title a:hover { color: var(--color-accent); }

.featured-post-excerpt {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.featured-post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border-card);
}

.author-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.author-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.author-title {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.post-meta-right {
  display: flex;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.post-meta-right span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-read-featured {
  align-self: flex-start;
  margin-top: 4px;
}

/* ── Blog Grid ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

/* ── Blog Card ── */
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(20px);
}

.blog-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow var(--transition), border-color var(--transition);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: var(--border);
}

.blog-card-image {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 180px;
  position: relative;
  transition: filter var(--transition);
  text-decoration: none;
}

.blog-card:hover .blog-card-image { filter: brightness(1.1); }

.blog-card-icon {
  font-size: 3rem;
  color: rgba(255,255,255,0.2);
  transition: transform var(--transition);
}

.blog-card:hover .blog-card-icon { transform: scale(1.1); }

.blog-card-category {
  position: absolute;
  bottom: 12px;
  left: 12px;
  padding: 4px 12px;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.blog-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
}

.blog-card-meta {
  display: flex;
  gap: 14px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.blog-card-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.blog-card-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.45;
  flex: 1;
}

.blog-card-title a {
  color: var(--text-primary);
  transition: color var(--transition);
}
.blog-card-title a:hover { color: var(--color-accent); }

.blog-card-excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border-card);
  flex-wrap: wrap;
  margin-top: auto;
}

.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.blog-tag {
  padding: 3px 10px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  color: #818cf8;
  font-weight: 500;
}

.blog-read-more {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--transition), color var(--transition);
  white-space: nowrap;
}

.blog-read-more:hover {
  gap: 8px;
  color: var(--color-primary);
}

/* ── Empty state ── */
.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
}

.blog-empty-icon {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.blog-empty h3 {
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.blog-empty p { color: var(--text-muted); }

/* ── Load More ── */
.blog-load-more {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}

/* ── Newsletter CTA ── */
.blog-newsletter-cta {
  background: linear-gradient(135deg, rgba(99,102,241,0.12) 0%, rgba(34,211,238,0.08) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 70px 0;
}

.blog-newsletter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.blog-newsletter-text h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.blog-newsletter-text p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 420px;
}

.blog-newsletter-form {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.blog-newsletter-form input[type="email"] {
  padding: 12px 20px;
  background: rgba(13,22,50,0.8);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.9rem;
  min-width: 240px;
  outline: none;
  transition: border-color var(--transition);
}

.blog-newsletter-form input[type="email"]:focus {
  border-color: var(--color-primary);
}

.blog-newsletter-form input[type="email"]::placeholder {
  color: var(--text-muted);
}

.newsletter-success {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--color-success);
  font-weight: 500;
}

/* ────────────────────────────────────────
   SINGLE POST PAGE  (blog/post.html)
───────────────────────────────────────── */

.post-hero {
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  padding: 140px 0 0;
  position: relative;
  overflow: hidden;
}

.post-hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.7;
}

.post-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(5,12,26,0.2) 0%, rgba(5,12,26,0.95) 100%);
}

.post-hero-content {
  position: relative;
  z-index: 1;
  padding-bottom: 56px;
  max-width: 800px;
}

.post-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.post-breadcrumb a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.post-breadcrumb a:hover { color: var(--color-accent); }
.post-breadcrumb .sep { color: var(--text-muted); }
.post-breadcrumb .current { color: var(--text-secondary); }

.post-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(99,102,241,0.2);
  border: 1px solid rgba(99,102,241,0.35);
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 600;
  color: #818cf8;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.post-hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.post-hero-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.post-hero-meta .author-info { gap: 10px; }

.post-meta-divider {
  display: flex;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.post-meta-divider span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ── Post Layout ── */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  padding: 64px 0 80px;
  align-items: start;
}

/* ── Post Body / Content ── */
.post-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.post-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-card);
}

.post-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 1.8rem 0 0.7rem;
}

.post-body p {
  margin-bottom: 1.2rem;
}

.post-body ul, .post-body ol {
  margin: 0.5rem 0 1.2rem 1.5rem;
}

.post-body li {
  margin-bottom: 0.5rem;
}

.post-body strong { color: var(--text-primary); font-weight: 600; }

.post-body em { color: var(--text-secondary); font-style: italic; }

.post-body blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 16px 20px;
  margin: 1.5rem 0;
  background: rgba(34,211,238,0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 32px;
  border-top: 1px solid var(--border-card);
  margin-top: 48px;
}

/* ── Sidebar ── */
.post-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
}

.sidebar-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* Share buttons */
.share-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.share-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.share-btn:hover {
  background: rgba(99,102,241,0.12);
  border-color: var(--border);
  color: var(--text-primary);
}

/* Related posts list */
.related-post-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-card);
  text-decoration: none;
  transition: color var(--transition);
}

.related-post-item:last-child { border-bottom: none; }

.related-post-thumb {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: rgba(255,255,255,0.3);
}

.related-post-info h5 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 4px;
  transition: color var(--transition);
}

.related-post-item:hover h5 { color: var(--color-accent); }

.related-post-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* CTA sidebar */
.sidebar-cta {
  background: var(--gradient-primary);
  border: none;
  text-align: center;
}

.sidebar-cta h4 { color: rgba(255,255,255,0.75); }

.sidebar-cta p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
  line-height: 1.6;
}

.sidebar-cta .btn {
  width: 100%;
  justify-content: center;
  background: rgba(255,255,255,0.18);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.3);
}

.sidebar-cta .btn:hover {
  background: rgba(255,255,255,0.28);
}

/* ── Post Not Found ── */
.post-not-found {
  text-align: center;
  padding: 120px 20px;
}

.post-not-found h2 {
  font-size: 1.8rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.post-not-found p {
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* ────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */

@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-post { grid-template-columns: 1fr; }
  .featured-post-image { min-height: 260px; }
  .post-layout { grid-template-columns: 1fr; }
  .post-sidebar { position: static; }
}

@media (max-width: 768px) {
  .blog-hero { padding: 120px 0 60px; }
  .blog-hero-content h1 { font-size: 2rem; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-controls { flex-direction: column; align-items: flex-start; }
  .blog-newsletter-inner { flex-direction: column; text-align: center; }
  .blog-newsletter-text p { max-width: 100%; }
  .blog-newsletter-form { width: 100%; }
  .blog-newsletter-form input[type="email"] { min-width: 100%; }
  .featured-post-body { padding: 28px; }
  .post-hero-title { font-size: 1.6rem; }
  .post-hero-meta { gap: 16px; }
}

@media (max-width: 480px) {
  .category-pills { gap: 6px; }
  .category-pill { padding: 6px 12px; font-size: 0.78rem; }
  .blog-card-category { font-size: 0.65rem; }
}