/* AYE Tech Hub – Extended Page Styles
   Supplements main.css for multi-page platform features.
*/

/* ============ BLOG ARTICLE — FULL-WIDTH LAYOUT ============ */
/* Overrides the max-width:780px set inline in every blog file */
.article-wrap {
  max-width: 100% !important;
  width: 100% !important;
  padding-left:  clamp(20px, 5vw, 80px) !important;
  padding-right: clamp(20px, 5vw, 80px) !important;
  box-sizing: border-box !important;
}
/* Keep header text readable at full width */
.article-header h1 {
  max-width: 900px;
}
/* Keep body text line-length comfortable but wide */
.article-body {
  max-width: 100%;
}
/* Tables, grids, cards stretch naturally with the wider layout */
.article-body table,
.article-body .component-grid,
.article-body .ppe-grid,
.article-body .scan-step,
.article-body .loto-step,
.article-body .hazard-bar,
.article-body .callout,
.article-body .practice-card,
.article-body .code-block {
  max-width: 100%;
}

/* ============ BLOG ARTICLE META ROW ============ */
/* Override inline styles in all blog articles for consistent, prominent meta */
.article-wrap .article-header {
  padding-bottom: 28px !important;
  margin-bottom: 40px !important;
}

/* Date · Author · Read time — bigger, bolder */
.article-wrap .article-meta {
  display: flex !important;
  align-items: center !important;
  flex-wrap: wrap !important;
  gap: 20px !important;
  font-size: .95rem !important;
  font-weight: 700 !important;
  color: var(--text-soft) !important;
  margin-top: 14px !important;
  margin-bottom: 0 !important;
}

.article-wrap .article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .2px;
}

/* ============ BLOG LANGUAGE SWITCHER ============ */
.blog-lang-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.blog-lang-bar .bl-label {
  font-size: .85rem;
  color: var(--text-soft);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .8px;
  margin-right: 4px;
}

.bl-btn {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  color: var(--text-soft);
  padding: 7px 18px;
  border-radius: 6px;
  cursor: pointer;
  font-size: .88rem;
  font-weight: 800;
  letter-spacing: .3px;
  transition: all 0.2s;
  font-family: 'Noto Sans Ethiopic', 'Segoe UI', sans-serif;
}
.bl-btn:hover { border-color: var(--neon); color: var(--neon); background: rgba(0,212,255,.06); }
.bl-btn.active {
  background: var(--neon);
  border-color: var(--neon);
  color: #020817;
  font-weight: 900;
}

/* ============ PAGE HERO ============ */
.page-hero {
  padding: 120px 0 60px;
  background: linear-gradient(180deg, rgba(0,212,255,0.05) 0%, transparent 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0,212,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  margin: 12px 0 16px;
}
.page-hero p {
  font-size: 1.1rem;
  color: var(--text-soft);
  max-width: 640px;
  margin: 0 0 28px;
}
.page-hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.page-hero-stats .stat {
  display: flex;
  flex-direction: column;
}
.page-hero-stats .stat-num {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--neon);
}
.page-hero-stats .stat-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============ FILTER BAR ============ */
.filter-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  margin-bottom: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
}
.search-box input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px 10px 40px;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}
.search-box input:focus { border-color: var(--neon); }
.search-box .s-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  fill: currentColor;
  pointer-events: none;
}
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.filter-tag {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.82rem;
  color: var(--text-soft);
  cursor: pointer;
  transition: all 0.2s;
}
.filter-tag:hover, .filter-tag.active {
  background: var(--neon);
  border-color: var(--neon);
  color: #020817;
  font-weight: 600;
}
/* MEP Group button — teal accent when active */
.filter-group-btn.active {
  background: #0d9488;
  border-color: #0d9488;
  color: #fff;
}
.filter-group-btn:hover { border-color: #0d9488; color: #0d9488; background: rgba(13,148,136,.1); }

/* Sub-filter buttons inside the MEP expandable row */
.filter-sub {
  background: transparent;
  border: 1px solid rgba(13,148,136,.4);
  border-radius: 16px;
  padding: 5px 14px;
  font-size: 0.78rem;
  color: #0d9488;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 600;
}
.filter-sub:hover, .filter-sub.active {
  background: #0d9488;
  border-color: #0d9488;
  color: #fff;
}
/* Animate the sub-filter row */
#mep-subfilters {
  animation: slideDown 0.2s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.sort-select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 14px;
  color: var(--text-soft);
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
}
.result-count {
  color: var(--text-muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* ============ COURSE CARDS (ENHANCED) ============ */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.course-card-v2 {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  display: flex;
  flex-direction: column;
}
.course-card-v2:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-neon);
}
.course-thumb-v2 {
  height: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  gap: 8px;
}
.course-thumb-v2 .c-icon {
  width: 52px;
  height: 52px;
  fill: currentColor;
  opacity: 0.9;
}
.course-thumb-v2 .c-label {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.course-thumb-v2 .c-level {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
}
.course-thumb-v2 .c-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 20px;
}
.badge-free { background: rgba(34,197,94,0.2); color: #22c55e; border: 1px solid rgba(34,197,94,0.3); }
.badge-premium { background: rgba(234,179,8,0.2); color: #eab308; border: 1px solid rgba(234,179,8,0.3); }
.course-body-v2 {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.course-body-v2 h3 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
}
.course-body-v2 p {
  font-size: 0.83rem;
  color: var(--text-soft);
  line-height: 1.6;
  flex: 1;
}
.course-meta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.course-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.course-meta-item svg { width: 12px; height: 12px; fill: currentColor; flex-shrink: 0; }
.course-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #fbbf24;
}
.course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.course-tag {
  font-size: 0.68rem;
  padding: 2px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
}
.course-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.course-actions .btn { flex: 1; font-size: 0.82rem; padding: 10px 12px; }

/* ============ PDF CARDS (ENHANCED) ============ */
.pdf-grid-v2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.pdf-card-v2 {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.pdf-card-v2:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-neon);
}
.pdf-card-header { display: flex; gap: 14px; align-items: flex-start; }
.pdf-icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.pdf-icon-circle svg { width: 22px; height: 22px; fill: white; }
.pdf-card-info { flex: 1; min-width: 0; }
.pdf-card-info h4 {
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 4px;
}
.pdf-card-info p {
  font-size: 0.79rem;
  color: var(--text-soft);
  line-height: 1.5;
}
.pdf-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pdf-meta-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--bg);
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
}
.pdf-meta-chip svg { width: 11px; height: 11px; fill: currentColor; }
.pdf-card-actions { display: flex; gap: 8px; }
.pdf-card-actions .btn { flex: 1; font-size: 0.8rem; padding: 9px 12px; }

/* ============ TUTORIAL CARDS ============ */
.tutorials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.tutorial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  cursor: pointer;
}
.tutorial-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-neon);
}
.tutorial-thumb {
  height: 180px;
  background: #0a1628;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tutorial-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  transition: opacity 0.3s;
}
.tutorial-card:hover .tutorial-thumb img { opacity: 0.9; }
.tutorial-play {
  position: absolute;
  width: 54px;
  height: 54px;
  background: rgba(0,212,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, background 0.2s;
}
.tutorial-card:hover .tutorial-play {
  transform: scale(1.1);
  background: var(--neon);
}
.tutorial-play svg { width: 22px; height: 22px; fill: #020817; margin-left: 3px; }
.tutorial-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 600;
}
.tutorial-body { padding: 18px; }
.tutorial-body h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; line-height: 1.35; }
.tutorial-body p { font-size: 0.82rem; color: var(--text-soft); line-height: 1.5; margin-bottom: 14px; }
.tutorial-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.tutorial-footer .t-views { display: flex; align-items: center; gap: 4px; }
.tutorial-footer .t-views svg { width: 12px; height: 12px; fill: currentColor; }

/* ============ AI TOOL CARDS ============ */
.ai-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.ai-tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.ai-tool-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-neon);
}
.ai-tool-header { display: flex; align-items: center; gap: 14px; }
.ai-tool-logo {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ai-tool-logo svg { width: 24px; height: 24px; fill: white; }
.ai-tool-name { font-size: 1rem; font-weight: 700; }
.ai-tool-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  margin-top: 3px;
  letter-spacing: 0.5px;
}
.ai-tool-desc { font-size: 0.83rem; color: var(--text-soft); line-height: 1.6; }
.ai-use-cases { display: flex; flex-wrap: wrap; gap: 6px; }
.ai-use-case {
  font-size: 0.68rem;
  padding: 3px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-muted);
}

/* ============ DOWNLOAD CARDS ============ */
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.download-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-neon);
}
.download-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.download-icon svg { width: 22px; height: 22px; fill: white; }
.download-info { flex: 1; min-width: 0; }
.download-info h4 { font-size: 0.92rem; font-weight: 700; margin-bottom: 6px; }
.download-info p { font-size: 0.8rem; color: var(--text-soft); line-height: 1.5; margin-bottom: 10px; }
.download-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.download-meta span {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 3px;
}
.download-meta svg { width: 11px; height: 11px; fill: currentColor; }
.download-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.download-actions .btn { font-size: 0.79rem; padding: 8px 14px; }

/* ============ BLOG CARDS ============ */
.blog-grid-v2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}
.blog-card-v2 {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}
.blog-card-v2:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-neon);
}
.blog-img-v2 {
  height: 180px;
  overflow: hidden;
  position: relative;
}
.blog-img-v2 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.blog-card-v2:hover .blog-img-v2 img { transform: scale(1.05); }
.blog-category-chip {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--neon);
  color: #020817;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
[data-theme="light"] .blog-category-chip { color: #020817; }
.blog-body-v2 { padding: 22px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.blog-meta-v2 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.blog-meta-v2 span { display: flex; align-items: center; gap: 4px; }
.blog-meta-v2 svg { width: 12px; height: 12px; fill: currentColor; }
.blog-body-v2 h3 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}
.blog-body-v2 p { font-size: 0.83rem; color: var(--text-soft); line-height: 1.6; flex: 1; }
.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--neon);
  margin-top: 4px;
  transition: gap 0.2s;
}
.blog-card-v2:hover .read-more-link { gap: 10px; }
.read-more-link svg { width: 14px; height: 14px; fill: currentColor; }

/* ============ CONTACT PAGE ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: border-color 0.2s;
}
.contact-info-card:hover { border-color: var(--border-strong); }
.contact-icon-box {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg,rgba(0,212,255,0.15),rgba(30,58,138,0.25));
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--neon);
}
.contact-icon-box svg { width: 20px; height: 20px; fill: currentColor; }
.contact-info-text h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 4px; }
.contact-info-text a, .contact-info-text p { font-size: 0.83rem; color: var(--text-soft); transition: color 0.2s; }
.contact-info-text a:hover { color: var(--neon); }
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}
.contact-form-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 500px) { .form-row { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--text-soft); }
.form-group input, .form-group textarea, .form-group select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 14px;
  color: var(--text);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--neon);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ============ COURSE LESSON PAGE ============ */
.lesson-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  align-items: start;
  padding-top: 100px;
  padding-bottom: 60px;
}
@media (max-width: 900px) { .lesson-layout { grid-template-columns: 1fr; } }
.lesson-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  position: sticky;
  top: 90px;
}
.lesson-sidebar-head {
  background: linear-gradient(135deg,rgba(0,212,255,0.12),rgba(30,58,138,0.2));
  border-bottom: 1px solid var(--border);
  padding: 20px;
}
.lesson-sidebar-head h3 { font-size: 0.95rem; font-weight: 700; }
.lesson-sidebar-head .progress-info { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }
.lesson-progress-bar { height: 4px; background: var(--border); border-radius: 2px; margin-top: 10px; }
.lesson-progress-fill { height: 100%; background: var(--neon); border-radius: 2px; }
.lesson-list { padding: 8px 0; max-height: 60vh; overflow-y: auto; }
.lesson-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  cursor: pointer;
  transition: background 0.15s;
  border-left: 3px solid transparent;
  font-size: 0.82rem;
}
.lesson-item:hover { background: rgba(0,212,255,0.05); }
.lesson-item.active {
  background: rgba(0,212,255,0.08);
  border-left-color: var(--neon);
  color: var(--neon);
  font-weight: 600;
}
.lesson-item.completed { color: var(--text-muted); text-decoration: line-through; }
.lesson-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  flex-shrink: 0;
}
.lesson-item.active .lesson-num { background: var(--neon); border-color: var(--neon); color: #020817; }
.lesson-item.completed .lesson-num { background: rgba(34,197,94,0.15); border-color: #22c55e; color: #22c55e; }
.lesson-main { min-width: 0; }
.lesson-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.lesson-video-area {
  background: #000;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.lesson-video-area iframe { width: 100%; height: 100%; border: none; }
.lesson-video-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
}
.lesson-video-placeholder svg { width: 60px; height: 60px; fill: currentColor; opacity: 0.3; }
.lesson-body { padding: 28px; }
.lesson-body h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: 12px; }
.lesson-body p { color: var(--text-soft); line-height: 1.7; margin-bottom: 14px; }
.lesson-nav-btns {
  display: flex;
  justify-content: space-between;
  padding: 20px 28px;
  border-top: 1px solid var(--border);
}

/* ============ EMPTY STATE ============ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state svg { width: 60px; height: 60px; fill: currentColor; opacity: 0.3; margin: 0 auto 16px; }
.empty-state h3 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; color: var(--text-soft); }
.empty-state p { font-size: 0.85rem; }

/* ============ SECTION DIVIDERS ============ */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* ============ FEATURED BANNER ============ */
.featured-banner {
  background: linear-gradient(135deg,rgba(0,212,255,0.1),rgba(30,58,138,0.2));
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  padding: 36px;
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.featured-banner-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg,rgba(0,212,255,0.2),rgba(30,58,138,0.3));
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--neon);
}
.featured-banner-icon svg { width: 32px; height: 32px; fill: currentColor; }
.featured-banner-text { flex: 1; min-width: 200px; }
.featured-banner-text h2 { font-size: 1.3rem; font-weight: 800; margin-bottom: 6px; }
.featured-banner-text p { color: var(--text-soft); font-size: 0.88rem; }
.featured-banner-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ============ BREADCRUMB ============ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--neon); transition: opacity 0.2s; }
.breadcrumb a:hover { opacity: 0.8; }
.breadcrumb .sep { color: var(--border-strong); }

/* ============ BACK TO TOP (pages) ============ */
#btt-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 42px;
  height: 42px;
  background: var(--neon);
  color: #020817;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  box-shadow: 0 4px 20px rgba(0,212,255,0.4);
  z-index: 900;
}
#btt-btn.visible { opacity: 1; pointer-events: auto; }
#btt-btn:hover { transform: translateY(-3px); }
#btt-btn svg { width: 18px; height: 18px; fill: currentColor; }

/* ============ NOTIFICATION (pages) ============ */
.notif-bar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 9000;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  transition: transform 0.4s cubic-bezier(0.175,0.885,0.32,1.275);
  max-width: 90vw;
  min-width: 280px;
}
.notif-bar.show { transform: translateX(-50%) translateY(0); }
.notif-icon { color: var(--neon); flex-shrink: 0; }
.notif-icon svg { width: 20px; height: 20px; fill: currentColor; }
.notif-text strong { display: block; font-size: 0.88rem; margin-bottom: 2px; }
.notif-text span { font-size: 0.78rem; color: var(--text-muted); }
.notif-close { margin-left: auto; cursor: pointer; color: var(--text-muted); transition: color 0.2s; }
.notif-close:hover { color: var(--text); }
.notif-close svg { width: 16px; height: 16px; fill: currentColor; }

/* ============ BLOG CARDS (v2 — dynamic, used on blog.html) ============ */
.blog-grid-v2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.blog-card-v2 {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.blog-card-v2:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-neon);
}
.blog-img-v2 {
  position: relative;
  height: 180px;
  background: linear-gradient(135deg, var(--bg), #0a1628);
  overflow: hidden;
  flex-shrink: 0;
}
.blog-img-v2 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.7;
  transition: opacity 0.3s;
}
.blog-card-v2:hover .blog-img-v2 img { opacity: 0.9; }
.blog-category-chip {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 212, 255, 0.15);
  color: var(--neon);
  border: 1px solid rgba(0, 212, 255, 0.35);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}
.blog-body-v2 {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.blog-meta-v2 {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.76rem;
  color: var(--text-muted);
}
.blog-meta-v2 span {
  display: flex;
  align-items: center;
  gap: 4px;
}
.blog-body-v2 h3 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}
.blog-body-v2 p {
  font-size: 0.85rem;
  color: var(--text-soft);
  line-height: 1.6;
  flex: 1;
}
.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--neon);
  text-decoration: none;
  margin-top: auto;
  transition: gap 0.2s;
}
.read-more-link:hover { gap: 8px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 640px) {
  .page-hero { padding: 100px 0 40px; }
  .featured-banner { padding: 24px; }
  .courses-grid, .pdf-grid-v2, .tutorials-grid, .ai-tools-grid, .downloads-grid, .blog-grid-v2 {
    grid-template-columns: 1fr;
  }
  .filter-section { padding: 16px; gap: 12px; }
}