/* ============================================
   PureTools - Category Pages
   ============================================ */

.category-page {
  padding: 3rem 0 4.5rem;
}

.category-hero {
  max-width: 860px;
  margin-bottom: 2rem;
}

.category-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.78rem;
  margin: 0 0 1.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.category-hero h1 {
  max-width: 780px;
  margin: 0 0 0.85rem;
  color: var(--text);
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  font-weight: 850;
  line-height: 1.08;
}

.category-hero > p:not(.category-kicker) {
  max-width: 720px;
  margin: 0;
  color: var(--text-muted);
  font-size: 1.04rem;
  line-height: 1.75;
}

.category-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}

.category-grid,
.category-index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.category-card,
.category-tool-card {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  min-height: 128px;
  padding: 1.15rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 1px 0 rgba(var(--on-primary-rgb), 0.03) inset;
  transition: var(--transition);
  content-visibility: auto;
  contain-intrinsic-size: 150px;
}

.category-tool-card {
  padding-bottom: 3rem;
}

.category-card {
  padding-bottom: 3rem;
}

.category-card::before,
.category-tool-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.08), transparent 60%);
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.category-card:hover,
.category-tool-card:hover {
  border-color: rgba(var(--primary-rgb), 0.5);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--card-glow);
  transform: translateY(-3px);
  text-decoration: none;
}

.category-card:hover::before,
.category-tool-card:hover::before {
  opacity: 1;
}

.category-card-icon,
.category-tool-icon {
  position: relative;
  z-index: 1;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--surface-2);
  font-size: 1.35rem;
}

.category-card-body,
.category-tool-body {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.category-card-body {
  position: static;
}

.category-card-body > strong,
.category-card-body > span:not(.category-card-meta) {
  position: relative;
  z-index: 1;
}

.category-card-body strong,
.category-tool-body strong {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 0.35rem;
}

.category-card-body span,
.category-tool-body span {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.category-card .category-card-meta {
  position: absolute;
  z-index: 1;
  left: calc(1.15rem + 44px + 0.9rem);
  bottom: 1rem;
  margin-top: 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  line-height: 1;
  text-transform: uppercase;
  opacity: 0.78;
  transition: color 0.2s ease, transform 0.2s ease;
}

.category-card .category-card-meta::after {
  content: " \2197";
  font-size: 0.9em;
}

.category-card:hover .category-card-meta {
  color: var(--primary);
  opacity: 1;
  transform: translateX(2px);
}

.category-tool-card::after {
  content: "OPEN \2197";
  position: absolute;
  z-index: 1;
  left: calc(1.15rem + 44px + 0.9rem);
  bottom: 1rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1;
  transition: color 0.2s ease, transform 0.2s ease;
}

.category-tool-card:hover::after {
  color: var(--primary);
  transform: translateX(2px);
}

.category-content {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.category-content h2 {
  margin: 0 0 0.8rem;
  color: var(--text);
  font-size: 1.45rem;
}

.category-content h3 {
  margin: 1.5rem 0 0.75rem;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 800;
}

.category-content p {
  max-width: 820px;
  margin: 0 0 1rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.category-use-cases {
  display: grid;
  gap: 0.75rem;
  max-width: 860px;
  margin: 1.25rem 0;
  padding: 0;
  list-style: none;
}

.category-use-cases li {
  padding: 0.95rem 1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text-muted);
  line-height: 1.65;
}

.category-use-cases strong {
  color: var(--text);
}

@media (max-width: 700px) {
  .category-page {
    padding-top: 2rem;
  }

  .category-grid,
  .category-index-grid {
    grid-template-columns: 1fr;
  }

  .category-card,
  .category-tool-card {
    min-height: 112px;
    padding: 1rem;
  }

  .category-card:hover,
  .category-tool-card:hover {
    transform: none;
  }
}