/* ================================================
   ALPHA IT CENTER — CATEGORY ARCHIVE
   ================================================ */

/* ─── HERO ─── */
.cat-hero {
  background: var(--primary-container);
  color: var(--on-primary);
  padding: 56px 0 52px;
  position: relative;
  overflow: hidden;
}

.cat-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

/* ─── Breadcrumb ─── */
.cat-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 32px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  position: relative;
  z-index: 1;
}

.cat-breadcrumb a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.2s;
}

.cat-breadcrumb a:hover {
  color: var(--secondary-container);
}

.cat-breadcrumb .material-symbols-outlined {
  font-size: 16px;
  opacity: 0.45;
}

.cat-breadcrumb span:last-child {
  color: rgba(255,255,255,0.85);
}

/* ─── Hero inner ─── */
.cat-hero-inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .cat-hero-inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 64px;
  }
}

.cat-hero-text {
  flex: 1;
}

.cat-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.cat-eyebrow .material-symbols-outlined {
  font-size: 15px;
}

.cat-title {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--on-primary);
  margin-bottom: 16px;
}

.cat-desc {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin-bottom: 24px;
}

.cat-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.cat-post-count {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
}

.cat-post-count .material-symbols-outlined {
  font-size: 16px;
}

.cat-page-badge {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.7);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

/* ─── Subcategories ─── */
.cat-sub-cats {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 24px 28px;
  min-width: 260px;
  flex-shrink: 0;
}

.sub-cats-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 14px;
}

.sub-cats-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sub-cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.1);
  color: var(--on-primary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.15);
  transition: background 0.2s, border-color 0.2s;
}

.sub-cat-chip:hover {
  background: var(--secondary-container);
  color: var(--on-secondary-fixed);
  border-color: var(--secondary-container);
}

.sub-cat-count {
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.8);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: var(--radius-full);
}

.sub-cat-chip:hover .sub-cat-count {
  background: rgba(0,0,0,0.15);
  color: var(--on-secondary-fixed);
}

/* ─── FILTER STRIP ─── */
.cat-filter-strip {
  background: var(--surface-container-lowest);
  border-bottom: 1px solid rgba(197,198,208,0.35);
  position: sticky;
  top: 80px;
  z-index: 40;
}

.cat-filter-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  padding: 12px 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.cat-filter-inner::-webkit-scrollbar {
  display: none;
}

.cat-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--on-surface-variant);
  border: 1px solid transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  flex-shrink: 0;
}

.cat-filter-btn:hover {
  background: rgba(0,24,72,0.06);
  color: var(--primary-container);
}

.cat-filter-btn.is-active {
  background: var(--primary-container);
  color: var(--on-primary);
  border-color: var(--primary-container);
}

.filter-count {
  background: rgba(0,24,72,0.08);
  color: var(--on-surface-variant);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: var(--radius-full);
}

.cat-filter-btn.is-active .filter-count {
  background: rgba(255,255,255,0.15);
  color: var(--on-primary);
}

/* ─── BODY ─── */
.cat-body {
  padding: 56px 0 96px;
}

.cat-results-row {
  margin-bottom: 36px;
}

.cat-results-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--on-surface-variant);
}

/* ─── CARD GRID ─── */
.cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
}

@media (min-width: 640px) {
  .cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cat-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ─── CARD ─── */
.cat-card {
  background: var(--surface-container-lowest);
  border: 1px solid rgba(197,198,208,0.3);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s, transform 0.3s;
}

.cat-card:hover {
  box-shadow: 0 20px 48px rgba(0,0,0,0.1);
  transform: translateY(-6px);
}

/* ─── Card image ─── */
.cat-card-img-wrap {
  display: block;
  position: relative;
  height: 210px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--surface-container);
}

.cat-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s;
}

.cat-card:hover .cat-card-img {
  transform: scale(1.06);
}

.cat-card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-container), var(--on-primary-fixed-variant));
}

.cat-card-img-placeholder .material-symbols-outlined {
  font-size: 44px;
  color: rgba(255,255,255,0.2);
  font-variation-settings: 'FILL' 1, 'wght' 300, 'GRAD' 0, 'opsz' 48;
}

/* ─── Category badge ─── */
.cat-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--secondary-container);
  color: var(--on-secondary-fixed);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 2;
}

/* ─── Card body ─── */
.cat-card-body {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}

/* ─── Meta row ─── */
.cat-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--on-surface-variant);
}

.meta-item .material-symbols-outlined {
  font-size: 13px;
  opacity: 0.6;
}

.meta-divider-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(68,70,79,0.3);
  flex-shrink: 0;
}

.meta-avatar {
  width: 24px !important;
  height: 24px !important;
  border-radius: 50% !important;
  object-fit: cover;
}

/* ─── Card title ─── */
.cat-card-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 700;
}

.cat-card-title a {
  color: var(--primary-container);
  text-decoration: none;
  transition: color 0.2s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cat-card-title a:hover {
  color: var(--secondary);
}

/* ─── Excerpt ─── */
.cat-card-excerpt {
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-surface-variant);
  margin: 0;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ─── Card footer ─── */
.cat-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid rgba(197,198,208,0.25);
  margin-top: auto;
}

.cat-card-author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--on-surface-variant);
}

/* ─── Read more ─── */
.cat-read-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-container);
  text-decoration: none;
  white-space: nowrap;
  transition: gap 0.2s, color 0.2s;
}

.cat-read-more .material-symbols-outlined {
  font-size: 16px;
  transition: transform 0.2s;
}

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

.cat-read-more:hover .material-symbols-outlined {
  transform: translateX(3px);
}

/* ─── PAGINATION ─── */
.cat-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid rgba(197,198,208,0.3);
}

.cat-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 44px;
  height: 44px;
  padding: 0 14px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: var(--on-surface-variant);
  border: 1px solid rgba(197,198,208,0.4);
  background: var(--surface-container-lowest);
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}

.cat-pagination .page-numbers:hover {
  background: rgba(0,24,72,0.05);
  color: var(--primary-container);
  border-color: rgba(0,24,72,0.2);
  transform: translateY(-1px);
}

.cat-pagination .page-numbers.current {
  background: var(--primary-container);
  color: var(--on-primary);
  border-color: var(--primary-container);
  pointer-events: none;
}

.cat-pagination .page-numbers.dots {
  border-color: transparent;
  background: none;
  pointer-events: none;
  min-width: auto;
  padding: 0 6px;
}

.cat-pagination .page-numbers.prev,
.cat-pagination .page-numbers.next {
  padding: 0 18px;
  gap: 6px;
  font-size: 13px;
}

.cat-pagination .page-numbers .material-symbols-outlined {
  font-size: 17px;
}

/* ─── EMPTY STATE ─── */
.cat-empty {
  text-align: center;
  padding: 80px 24px;
  max-width: 480px;
  margin: 0 auto;
}

.cat-empty-icon {
  width: 80px;
  height: 80px;
  background: rgba(0,24,72,0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
}

.cat-empty-icon .material-symbols-outlined {
  font-size: 36px;
  color: var(--primary-container);
  font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 40;
}

.cat-empty h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-container);
  margin-bottom: 12px;
}

.cat-empty p {
  font-size: 15px;
  color: var(--on-surface-variant);
  line-height: 1.65;
  margin-bottom: 32px;
}

/* ─── OTHER CATEGORIES ─── */
.other-cats-section {
  background: var(--surface-container-low);
  border-top: 1px solid rgba(197,198,208,0.3);
  padding: 72px 0 96px;
}

.other-cats-heading {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  color: var(--primary-container);
  margin-bottom: 36px;
}

.other-cats-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (min-width: 640px) {
  .other-cats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (min-width: 1024px) {
  .other-cats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.other-cat-card {
  display: flex;
  align-items: center;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(197,198,208,0.3);
  background: var(--surface-container-lowest);
  text-decoration: none;
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
}

.other-cat-card:hover {
  box-shadow: 0 12px 32px rgba(0,0,0,0.1);
  transform: translateY(-3px);
  border-color: var(--secondary-container);
}

.other-cat-img {
  width: 96px;
  height: 80px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}

.other-cat-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.other-cat-card:hover .other-cat-img img {
  transform: scale(1.08);
}

.other-cat-img-placeholder {
  width: 100%;
  height: 100%;
  background: var(--primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
}

.other-cat-img-placeholder .material-symbols-outlined {
  font-size: 28px;
  color: rgba(255,255,255,0.3);
  font-variation-settings: 'FILL' 1, 'wght' 300, 'GRAD' 0, 'opsz' 32;
}

.other-cat-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,24,72,0.2);
  transition: background 0.3s;
}

.other-cat-card:hover .other-cat-overlay {
  background: rgba(0,24,72,0.05);
}

.other-cat-info {
  flex: 1;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.other-cat-info h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-container);
  margin: 0;
  transition: color 0.2s;
}

.other-cat-card:hover .other-cat-info h3 {
  color: var(--secondary);
}

.other-cat-count {
  font-size: 12px;
  font-weight: 500;
  color: var(--on-surface-variant);
}

.other-cat-arrow {
  padding: 0 18px;
  color: var(--on-surface-variant);
  display: flex;
  align-items: center;
  transition: color 0.2s, transform 0.2s;
}

.other-cat-card:hover .other-cat-arrow {
  color: var(--primary-container);
  transform: translateX(3px);
}

.other-cat-arrow .material-symbols-outlined {
  font-size: 20px;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 767px) {
  .cat-hero {
    padding: 40px 0 44px;
  }

  .cat-title {
    font-size: clamp(28px, 8vw, 38px);
  }

  .cat-filter-strip {
    top: 72px;
  }

  .cat-body {
    padding: 40px 0 64px;
  }

  .cat-card-img-wrap {
    height: 185px;
  }

  .cat-card-body {
    padding: 18px 20px 22px;
    gap: 10px;
  }

  .cat-card-title {
    font-size: 16px;
  }

  .cat-pagination {
    margin-top: 48px;
    padding-top: 36px;
  }

  .other-cats-section {
    padding: 48px 0 64px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .cat-card-img-wrap {
    height: 200px;
  }
}