/* =========================================================
   pages/articles-index.css — каталог статей
   ========================================================= */

@import "../components/cluster-badge.css";
@import "../components/article-card.css";

.catalog-hero {
  padding-block: clamp(48px, 7vw, 96px) clamp(28px, 4vw, 48px);
  background:
    radial-gradient(800px 400px at 80% -10%, rgba(34,197,94,.08), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--color-bg-soft) 100%);
}

.catalog-hero__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: end;
}

.catalog-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(34, 197, 94, .12);
  color: var(--color-brand-700);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.catalog-hero__title {
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  margin-bottom: 14px;
}

.catalog-hero__lead {
  font-size: var(--text-lg);
  color: var(--color-text);
  max-width: 580px;
  line-height: var(--line-relaxed);
}

.catalog-hero__stats {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 26px;
  border-radius: var(--radius-2xl);
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-md);
}

.catalog-hero__stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--color-line);
}
.catalog-hero__stat:last-child { border-bottom: 0; padding-bottom: 0; }

.catalog-hero__stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-brand-700);
  letter-spacing: var(--tracking-tight);
}

.catalog-hero__stat-label {
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-align: right;
  max-width: 160px;
}

@media (max-width: 991px) {
  .catalog-hero__inner { grid-template-columns: 1fr; gap: 32px; }
}

/* ===== Фильтр по кластерам ===== */

.catalog-filter {
  position: sticky;
  top: 64px;
  z-index: 20;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-line);
  padding-block: 14px;
}

.catalog-filter__inner {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.catalog-filter__inner::-webkit-scrollbar { display: none; }

.catalog-filter__chip {
  --cluster-color: var(--color-brand-600);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--color-bg-soft);
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s ease;
}

.catalog-filter__chip:hover { background: #fff; border-color: var(--color-line); }

.catalog-filter__chip.is-active {
  background: color-mix(in srgb, var(--cluster-color) 14%, #fff);
  color: var(--cluster-color);
  border-color: color-mix(in srgb, var(--cluster-color) 36%, transparent);
}

.catalog-filter__chip-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cluster-color);
}

.catalog-filter__chip-count {
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-weight: 700;
}

.catalog-filter__chip.is-active .catalog-filter__chip-count {
  color: var(--cluster-color);
}

@media (max-width: 991px) {
  .catalog-filter { top: 60px; }
}

/* ===== Сетка карточек ===== */

.catalog-grid {
  padding-block: clamp(32px, 5vw, 56px) clamp(48px, 7vw, 96px);
}

.catalog-grid__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.catalog-grid__item {
  --cluster-color: var(--color-brand-600);
  transition: opacity .25s ease, transform .25s ease;
}

.catalog-grid__item.is-hidden {
  display: none;
}

.catalog-grid__empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-muted);
  font-size: var(--text-base);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}

@media (max-width: 1199px) {
  .catalog-grid__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
  .catalog-grid__list { grid-template-columns: minmax(0, 1fr); }
}