/* ============================================
   BITCUT BLOG — Extends /style.css
   ============================================ */

/* ---------- BLOG LAYOUT ---------- */

.blog-hero {
  padding: 120px 0 40px;
  text-align: center;
}

.blog-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.blog-hero p {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
}

/* ---------- CATEGORY TABS ---------- */

.category-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 24px 0 40px;
}

.category-tab {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.category-tab:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.category-tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-end));
  color: #fff;
  border-color: transparent;
}

/* ---------- ARTICLE CARDS GRID ---------- */

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-bottom: 80px;
}

.article-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
  transition: transform 0.2s, border-color 0.2s;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(108,92,231,0.3);
}

.card-image {
  width: 100%;
  aspect-ratio: 1200 / 630;
  background: var(--surface-alt);
  overflow: hidden;
}

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

.card-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--surface-alt), var(--bg-alt));
  font-size: 2.5rem;
  opacity: 0.4;
}

.card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-category {
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(108,92,231,0.15);
  color: var(--accent-end);
}

.card-body h2 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 8px;
}

.card-excerpt {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
  flex: 1;
}

/* ---------- ARTICLE PAGE ---------- */

.article-header {
  padding: 120px 0 24px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--text-dim);
  transition: color 0.2s;
}

.breadcrumbs a:hover {
  color: var(--accent-end);
}

.breadcrumbs .sep {
  opacity: 0.4;
}

.article-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.article-meta .card-category {
  font-size: 0.75rem;
}

/* ---------- ARTICLE HERO IMAGE ---------- */

.article-hero-image {
  margin: 0 0 32px;
  border-radius: var(--radius);
  overflow: hidden;
}

.article-hero-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
}

/* ---------- ARTICLE LAYOUT (Content + TOC) ---------- */

.article-layout {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 48px;
  max-width: 1020px;
  margin: 0 auto;
  padding: 0 24px 60px;
  align-items: start;
}

.article-content {
  max-width: 720px;
  min-width: 0;
}

/* ---------- ARTICLE BODY TYPOGRAPHY ---------- */

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 40px 0 16px;
  line-height: 1.2;
}

.article-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 32px 0 12px;
}

.article-body p {
  margin-bottom: 16px;
  color: var(--text-dim);
  line-height: 1.8;
}

.article-body ul,
.article-body ol {
  margin-bottom: 16px;
  padding-left: 24px;
  color: var(--text-dim);
}

.article-body li {
  margin-bottom: 8px;
  line-height: 1.7;
}

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

.article-body a {
  color: var(--accent-end);
  text-decoration: underline;
  text-decoration-color: rgba(168,85,247,0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s;
}

.article-body a:hover {
  text-decoration-color: var(--accent-end);
}

.article-body img {
  border-radius: var(--radius-sm);
  margin: 24px 0;
}

.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  margin: 24px 0;
  background: rgba(108,92,231,0.08);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-dim);
  font-style: italic;
}

.article-body code {
  background: var(--surface-alt);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

.article-body pre {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  overflow-x: auto;
  margin: 24px 0;
}

.article-body pre code {
  background: none;
  padding: 0;
}

/* ---------- TABLE OF CONTENTS ---------- */

.toc-mobile {
  display: none;
}

.toc-sidebar {
  position: sticky;
  top: 88px;
}

.toc-sidebar h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 1px solid rgba(255,255,255,0.06);
}

.toc-list li {
  padding-left: 16px;
}

.toc-list li.toc-h3 {
  padding-left: 28px;
}

.toc-list a {
  display: block;
  padding: 4px 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  transition: color 0.2s;
}

.toc-list a:hover {
  color: var(--text);
}

/* ---------- CTA BANNER ---------- */

.cta-banner {
  background: linear-gradient(135deg, rgba(108,92,231,0.15), rgba(0,210,255,0.1));
  border: 1px solid rgba(108,92,231,0.2);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin: 48px 0;
}

.cta-banner h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-banner p {
  color: var(--text-dim);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.cta-banner .btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--hot-start), var(--hot));
  color: #fff;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.cta-banner .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(244,63,94,0.3);
  color: #fff;
  text-decoration: none;
}

/* ---------- RELATED ARTICLES ---------- */

.related-section {
  padding: 60px 0 80px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.related-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  text-align: center;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1020px;
  margin: 0 auto;
}

/* ---------- EMPTY STATE ---------- */

.empty-state {
  text-align: center;
  padding: 60px 0;
  color: var(--text-muted);
}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

  .toc-desktop {
    display: none;
  }

  .toc-mobile {
    display: block;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin-bottom: 32px;
    position: static;
  }
}

@media (max-width: 768px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .article-header {
    padding: 100px 24px 24px;
  }

  .article-layout {
    padding: 0 24px 60px;
  }
}

@media (max-width: 480px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .category-tabs {
    gap: 6px;
  }

  .category-tab {
    padding: 6px 14px;
    font-size: 0.8rem;
  }
}

/* ============================================
   INTERACTIVE COMPONENTS FOR ARTICLES
   ============================================ */

/* ---------- FEATURE CARDS GRID ---------- */

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.feature-card {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 20px;
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: rgba(108,92,231,0.3);
}

.feature-card .card-icon {
  margin-bottom: 10px;
  display: block;
  color: var(--accent-end);
}

.feature-card .card-icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 1.5;
}

.feature-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0;
}

/* ---------- INTERACTIVE CHECKLIST ---------- */

.checklist {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 24px 0;
}

.checklist h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
}

.checklist label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.5;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: color 0.2s;
}

.checklist label:last-child {
  border-bottom: none;
}

.checklist input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 5px;
  margin-top: 1px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.checklist input[type="checkbox"]:checked {
  background: linear-gradient(135deg, var(--accent), var(--accent-end));
  border-color: transparent;
}

.checklist input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checklist label:has(input:checked) {
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: rgba(255,255,255,0.15);
}

/* ---------- COMPARISON TABLE ---------- */

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.06);
}

.table-scroll .comparison-table {
  margin: 0;
  border: none;
  border-radius: 0;
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 24px 0;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: 0.85rem;
  min-width: 580px;
}

.comparison-table thead th {
  background: var(--surface);
  padding: 12px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.comparison-table thead th:first-child {
  width: 30%;
}

.comparison-table thead th.highlight {
  background: linear-gradient(135deg, rgba(108,92,231,0.2), rgba(168,85,247,0.15));
  color: var(--accent-end);
}

.comparison-table tbody td {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--text-dim);
  vertical-align: middle;
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table tbody td:first-child {
  font-weight: 600;
  color: var(--text);
}

.comparison-table tbody td.highlight {
  background: rgba(108,92,231,0.05);
}

.comparison-table .check {
  color: #22c55e;
  font-weight: 700;
}

.comparison-table .cross {
  color: #ef4444;
  font-weight: 700;
}

.comparison-table .partial {
  color: #f59e0b;
  font-weight: 700;
}

/* ---------- TOGGLE / ACCORDION ---------- */

.toggle-group {
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toggle-item {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.toggle-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  transition: background 0.2s;
  user-select: none;
}

.toggle-header:hover {
  background: rgba(255,255,255,0.02);
}

.toggle-header::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--text-muted);
  transition: transform 0.3s;
}

.toggle-item.open .toggle-header::after {
  content: '−';
}

.toggle-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.toggle-body-inner {
  padding: 0 20px 16px;
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ---------- STAT PILLS / KPI ---------- */

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.stat-pill {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}

.stat-pill .stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.stat-pill .stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

/* ---------- BEFORE/AFTER SLIDER ---------- */

.before-after {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: 24px 0;
  aspect-ratio: 16 / 9;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  user-select: none;
  touch-action: none;
}

.before-after img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.before-after .after-img {
  clip-path: inset(0 50% 0 0);
}

.before-after .slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: #fff;
  cursor: ew-resize;
  z-index: 2;
}

.before-after .slider-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.before-after .label-before,
.before-after .label-after {
  position: absolute;
  bottom: 12px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  z-index: 3;
}

.before-after .label-before {
  right: 12px;
  background: rgba(239,68,68,0.9);
  color: #fff;
}

.before-after .label-after {
  left: 12px;
  background: rgba(34,197,94,0.9);
  color: #fff;
}

/* ---------- STEP-BY-STEP VISUAL ---------- */

.steps {
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 16px;
  position: relative;
}

.step-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 36px;
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-end));
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-line {
  width: 2px;
  flex: 1;
  background: rgba(108,92,231,0.2);
  min-height: 20px;
}

.step:last-child .step-line {
  display: none;
}

.step-content {
  padding-bottom: 24px;
}

.step-content h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
}

.step-content p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0;
}

/* ---------- CALLOUT BOX ---------- */

.callout {
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 24px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.callout-icon {
  flex-shrink: 0;
  margin-top: 2px;
  display: flex;
  align-items: center;
}

.callout-icon svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.5;
}

.callout-body {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-dim);
}

.callout-body strong {
  color: var(--text);
}

.callout.tip {
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.15);
}

.callout.tip .callout-icon { color: #4ade80; }

.callout.warning {
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.15);
}

.callout.warning .callout-icon { color: #fbbf24; }

.callout.info {
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.15);
}

.callout.info .callout-icon { color: #60a5fa; }

.callout.privacy {
  background: rgba(108,92,231,0.08);
  border: 1px solid rgba(108,92,231,0.15);
}

.callout.privacy .callout-icon { color: #a78bfa; }

/* ---------- TAG PILLS ---------- */

.tag-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.tag-pill {
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--text-dim);
}

.tag-pill.green {
  background: rgba(34,197,94,0.1);
  border-color: rgba(34,197,94,0.2);
  color: #4ade80;
}

.tag-pill.red {
  background: rgba(239,68,68,0.1);
  border-color: rgba(239,68,68,0.2);
  color: #f87171;
}

.tag-pill.purple {
  background: rgba(168,85,247,0.1);
  border-color: rgba(168,85,247,0.2);
  color: #c084fc;
}

/* ---------- VERDICT BOX ---------- */

.verdict {
  background: linear-gradient(135deg, rgba(108,92,231,0.1), rgba(0,210,255,0.06));
  border: 1px solid rgba(108,92,231,0.2);
  border-radius: var(--radius);
  padding: 24px;
  margin: 32px 0;
}

.verdict h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.verdict p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin: 0;
}

/* ---------- RESPONSIVE FOR COMPONENTS ---------- */

@media (max-width: 480px) {
  .feature-cards {
    grid-template-columns: 1fr;
  }

  .stat-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .comparison-table {
    font-size: 0.75rem;
  }

  .comparison-table thead th,
  .comparison-table tbody td {
    padding: 8px 10px;
  }
}

/* ============================================
   GUIDE (KNOWLEDGE BASE) STYLES
   ============================================ */

/* ---------- CATEGORY GRID ---------- */

.guide-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  padding: 24px 0 48px;
}

.guide-category-card {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
}

.guide-category-card:hover {
  transform: translateY(-3px);
  border-color: rgba(108,92,231,0.3);
}

.guide-category-icon {
  margin-bottom: 12px;
  display: block;
  color: var(--accent-end);
}

.guide-category-icon svg {
  width: 32px;
  height: 32px;
  stroke-width: 1.5;
}

.guide-category-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.guide-category-card p {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0;
  flex: 1;
}

.guide-category-count {
  margin-top: 12px;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- ARTICLE LIST ---------- */

.guide-all-articles {
  padding-bottom: 60px;
}

.guide-all-articles > h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 32px;
}

.guide-category-section {
  margin-bottom: 32px;
}

.guide-category-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.guide-section-icon {
  display: inline-flex;
  color: var(--accent-end);
}

.guide-section-icon svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.5;
}

.guide-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 8px;
}

.guide-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}

.guide-list-item:hover {
  background: var(--surface);
}

.guide-list-item-full {
  flex-direction: row;
  align-items: flex-start;
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
}

.guide-list-item-full:hover {
  border-color: rgba(108,92,231,0.2);
}

.guide-list-item-full > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.guide-list-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.guide-list-excerpt {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.guide-list-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ---------- CATEGORY HEADER (FILTERED VIEW) ---------- */

.guide-category-header {
  padding: 24px 0 32px;
}

.guide-back-link {
  font-size: 0.85rem;
  color: var(--accent-end);
  margin-bottom: 16px;
  display: inline-block;
}

.guide-category-header h2 {
  font-size: 1.8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.guide-category-header p {
  color: var(--text-dim);
  font-size: 1rem;
}

/* ---------- PREV / NEXT NAV ---------- */

.guide-prev-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.guide-nav-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}

.guide-nav-link:hover {
  border-color: rgba(108,92,231,0.3);
  background: var(--surface);
}

.guide-nav-prev {
  text-align: left;
}

.guide-nav-next {
  text-align: right;
}

.guide-nav-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.guide-nav-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-end);
}

/* ---------- GUIDE RESPONSIVE ---------- */

@media (max-width: 768px) {
  .guide-categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .guide-prev-next {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .guide-nav-next {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .guide-categories-grid {
    grid-template-columns: 1fr;
  }

  .guide-list-item-full {
    flex-direction: column;
    gap: 8px;
  }
}

/* ============================================
   USE CASES SECTION
   ============================================ */

/* ---------- USE CASES INDEX GRID ---------- */

.uc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin: 40px 0 60px;
}

.uc-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 24px;
  border-radius: var(--radius-sm, 12px);
  background: var(--card, rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.06);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.uc-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.12);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.uc-card-image {
  margin: -28px -24px 16px;
  border-radius: var(--radius-sm, 12px) var(--radius-sm, 12px) 0 0;
  overflow: hidden;
  line-height: 0;
}

.uc-card-image img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s;
}

.uc-card:hover .uc-card-image img {
  transform: scale(1.05);
}

.uc-card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  text-align: left;
}

.uc-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.uc-card-icon svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.5;
}

.uc-card--blue .uc-card-icon   { background: rgba(59,130,246,0.12); color: #60a5fa; }
.uc-card--green .uc-card-icon  { background: rgba(34,197,94,0.12); color: #4ade80; }
.uc-card--purple .uc-card-icon { background: rgba(139,92,246,0.12); color: #a78bfa; }
.uc-card--pink .uc-card-icon   { background: rgba(236,72,153,0.12); color: #f472b6; }
.uc-card--orange .uc-card-icon { background: rgba(249,115,22,0.12); color: #fb923c; }
.uc-card--teal .uc-card-icon   { background: rgba(20,184,166,0.12); color: #2dd4bf; }
.uc-card--red .uc-card-icon    { background: rgba(239,68,68,0.12); color: #f87171; }
.uc-card--amber .uc-card-icon  { background: rgba(245,158,11,0.12); color: #fbbf24; }

.uc-card-excerpt {
  color: var(--text-dim, #94a3b8);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
  flex: 1;
}

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

.uc-card-cta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-end, #a78bfa);
  margin-top: auto;
}

/* ---------- USE CASE ARTICLE — HERO STATS ---------- */

.uc-hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 32px 0;
  margin: 0 0 32px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.uc-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.uc-stat-big {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent, #6c5ce7), var(--accent-end, #a78bfa));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.uc-stat-label {
  font-size: 0.875rem;
  color: var(--text-dim, #94a3b8);
}

.uc-stat-arrow {
  color: var(--text-dim, #94a3b8);
}

.uc-stat-arrow svg {
  width: 24px;
  height: 24px;
}

/* ---------- USE CASE ARTICLE — FEATURES GRID ---------- */

.uc-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin: 24px 0 32px;
}

.uc-feature {
  padding: 24px;
  border-radius: var(--radius-sm, 12px);
  background: var(--card, rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.06);
}

.uc-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(108,92,231,0.15), rgba(167,139,250,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-end, #a78bfa);
  margin-bottom: 12px;
}

.uc-feature-icon svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.5;
}

.uc-feature h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.uc-feature p {
  color: var(--text-dim, #94a3b8);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 12px;
}

.uc-feature-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-end, #a78bfa);
  text-decoration: none;
}

.uc-feature-link:hover {
  text-decoration: underline;
}

/* ---------- USE CASE ARTICLE — FAQ ---------- */

.uc-faq {
  margin: 40px 0;
}

.uc-faq h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.uc-faq-item {
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm, 12px);
  margin-bottom: 8px;
  overflow: hidden;
}

.uc-faq-item summary {
  padding: 16px 20px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.uc-faq-item summary::-webkit-details-marker {
  display: none;
}

.uc-faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-dim, #94a3b8);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.uc-faq-item[open] summary::after {
  content: '\2212';
}

.uc-faq-item summary:hover {
  color: var(--accent-end, #a78bfa);
}

.uc-faq-answer {
  padding: 0 20px 16px;
  color: var(--text-dim, #94a3b8);
  font-size: 0.95rem;
  line-height: 1.6;
}

.uc-faq-answer p {
  margin: 0;
}

/* ---------- USE CASE ARTICLE — HERO IMAGE ---------- */

.uc-hero-image {
  margin: 0 -24px 32px;
  border-radius: var(--radius-sm, 12px);
  overflow: hidden;
  line-height: 0;
}

.uc-hero-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm, 12px);
}

/* ---------- USE CASE ARTICLE — INLINE IMAGES ---------- */

.uc-scene-image {
  margin: 32px -24px;
  border-radius: var(--radius-sm, 12px);
  overflow: hidden;
  line-height: 0;
}

.uc-scene-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm, 12px);
}

.uc-divider {
  margin: 48px 0;
  height: 2px;
  border-radius: 1px;
  background: linear-gradient(90deg, transparent, var(--accent, #6c5ce7), var(--accent-end, #a78bfa), transparent);
  opacity: 0.4;
}

@media (max-width: 768px) {
  .uc-hero-image,
  .uc-scene-image,
  .uc-divider-image {
    margin-left: -16px;
    margin-right: -16px;
  }
}

/* ---------- USE CASE ARTICLE — CTA BANNER ---------- */

.uc-cta-banner {
  margin: 48px 0 32px;
  padding: 40px 32px;
  border-radius: var(--radius-sm, 12px);
  background: linear-gradient(135deg, rgba(108,92,231,0.1), rgba(167,139,250,0.1));
  border: 1px solid rgba(108,92,231,0.2);
  text-align: center;
}

.uc-cta-banner h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 0 8px;
}

.uc-cta-banner p {
  color: var(--text-dim, #94a3b8);
  margin: 0 0 20px;
}

.uc-cta-banner .btn {
  display: inline-flex;
}

/* ---------- USE CASES RESPONSIVE ---------- */

@media (max-width: 768px) {
  .uc-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .uc-features {
    grid-template-columns: 1fr;
  }

  .uc-hero-stats {
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .uc-grid {
    grid-template-columns: 1fr;
  }

  .uc-hero-stats {
    flex-direction: column;
    gap: 12px;
  }

  .uc-stat-arrow {
    transform: rotate(90deg);
  }

  .uc-cta-banner {
    padding: 28px 20px;
  }
}