/* =====================================================
   MTB · Listing pages (Corpus, Targets catalog)
   ===================================================== */

.listing-hero {
  padding: 80px 0 64px;
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border);
}
.listing-hero .overline { margin-bottom: 20px; }
.listing-hero__title {
  font-family: var(--font-serif); font-weight: 500;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.8px;
  color: var(--text-dark);
  margin: 16px 0 24px;
  max-width: 900px;
  text-wrap: pretty;
}
.listing-hero__title em { font-style: italic; color: var(--accent); }
.listing-hero__lead {
  font-size: 18px; line-height: 1.6;
  color: var(--text-muted); max-width: 720px;
  margin: 0 0 48px;
  text-wrap: pretty;
}
.listing-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  max-width: 900px;
}
.listing-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.listing-hero__stat-num {
  font-family: var(--font-number);
  font-weight: 900;
  font-size: 40px;
  line-height: 1;
  color: var(--accent);
  letter-spacing: -1px;
}
.listing-hero__stat-label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-dark);
  margin-top: 8px;
}
.listing-hero__stat-hint {
  font-size: 12px;
  color: var(--text-muted);
}

/* === LISTING HERO — WITH LETTER MODIFIER (cluster pages) =====================
   Используется на страницах кластеров (cluster-A.html и далее).
   Слева вверху "герб" — большая буква + метка КЛАСТЕР А и subtitle.
   Дальше одноколоночный контент: title, hook, lead, stats — как на corpus.
   ============================================================================ */
.listing-hero--with-letter .listing-hero__crest {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 32px;
}
.listing-hero__letter {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(56px, 7vw, 80px);
  line-height: 0.85;
  color: var(--accent);
  letter-spacing: -2px;
  flex-shrink: 0;
}
.listing-hero__crest-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.listing-hero__crest-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
}
.listing-hero__crest-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.3;
}
.listing-hero__hook {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(20px, 2.2vw, 24px);
  line-height: 1.35;
  color: var(--text-dark);
  margin: 0 0 20px;
  max-width: 720px;
  text-wrap: pretty;
}
@media (max-width: 720px) {
  .listing-hero__letter {
    font-size: clamp(48px, 14vw, 64px);
  }
  .listing-hero__crest-label {
    font-size: 10px;
    letter-spacing: 2px;
  }
  .listing-hero__crest-subtitle {
    font-size: 16px;
  }
}

/* ---------- Filter bar ---------- */
.filterbar {
  background: var(--bg-cream);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  position: sticky; top: 66px;
  z-index: 15;
  backdrop-filter: blur(12px);
  background: rgba(237, 229, 217, 0.92);
}
.filterbar__inner {
  display: flex; gap: 18px 30px; align-items: center; flex-wrap: wrap;
}
.filterbar__group {
  display: flex; gap: 6px; align-items: center;
}
.filterbar__group + .filterbar__group { padding-left: 30px; border-left: 1px solid var(--border); }
.filterbar__label {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent); font-weight: 500;
  margin-right: 10px;
  display: inline-flex; align-items: center; gap: 8px;
}
.filterbar__label::before {
  content: ''; width: 14px; height: 1px; background: var(--border-accent);
}
.filter-chip {
  background: transparent;
  border: 1px solid var(--border);
  padding: 8px 14px; min-width: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: var(--text-muted);
  cursor: pointer;
  letter-spacing: 0.2px;
  font-family: var(--font-body);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.filter-chip:hover { border-color: var(--accent); color: var(--accent); }
.filter-chip.on { border-color: var(--accent-cta); color: white; background: var(--accent-cta); }
.filterbar__spacer { flex: 1; }
.filterbar__sort {
  font-size: 13.5px; color: var(--text-muted);
}
.filterbar__count {
  font-family: var(--font-number); font-weight: 900;
  font-size: 16px; color: var(--accent); letter-spacing: 0.3px;
}

/* ---------- Grid ---------- */
.list-section {
  padding: 56px 0 96px;
  background: var(--bg-warm);
}
.cluster-group { margin-bottom: 64px; }
.cluster-group:last-child { margin-bottom: 0; }
.cluster-group__head {
  display: flex; align-items: baseline; gap: 20px;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
a.cluster-group__head {
  text-decoration: none;
  color: inherit;
  transition: opacity 0.15s;
}
a.cluster-group__head:hover { opacity: 0.7; }
.cluster-group__letter {
  font-family: var(--font-number); font-weight: 900;
  font-size: 48px; color: var(--accent); letter-spacing: -1px;
  line-height: 1;
}
.cluster-group__title {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 32px; color: var(--text-dark);
  letter-spacing: -0.3px;
}
.cluster-group__title em { font-style: italic; color: var(--accent); }
.cluster-group__count {
  margin-left: auto;
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-muted); font-weight: 500;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ---------- Target tile ---------- */
.target-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px 26px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 168px;
  position: relative;
}
.target-tile:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.target-tile__head {
  display: flex; align-items: center; gap: 14px;
}
.target-tile__code {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  background: var(--accent-soft); color: var(--accent-dark);
  border-radius: 50%;
  font-family: var(--font-number); font-weight: 900; font-size: 13px;
  letter-spacing: 0.3px;
  flex-shrink: 0;
}
.target-tile.flagship .target-tile__code {
  background: var(--accent); color: white;
}
.target-tile__title {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 18px; line-height: 1.2;
  color: var(--text-dark);
  letter-spacing: -0.2px;
  text-wrap: pretty;
}
.target-tile__stats {
  display: flex; gap: 12px; align-items: center;
  font-size: 11px; color: var(--text-muted);
  letter-spacing: 0.3px;
}
.target-tile__stats .sep { color: var(--border); }
.target-tile__bottom {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px;
}
.target-tile__flagnum {
  color: var(--text-muted);
  letter-spacing: 0.3px;
}
.target-tile__flagnum b { color: var(--accent); font-family: var(--font-number); font-weight: 900; letter-spacing: 0.3px; }
.target-tile__cta { color: var(--accent); font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; }

/* ---------- Fable tile ---------- */
.ftile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 22px 24px;
  display: flex; flex-direction: column; gap: 12px;
  cursor: pointer;
  transition: all 0.2s;
  min-height: 200px;
  position: relative;
}
.ftile:hover { border-color: var(--accent); transform: translateY(-2px); }
.ftile.flagship { border-color: var(--accent); }
.ftile.flagship::before {
  content: 'ФЛАГМАН'; position: absolute; top: -9px; left: 16px;
  background: var(--accent); color: white;
  padding: 1px 8px; border-radius: 2px;
  font-size: 9px; letter-spacing: 2px; font-weight: 500;
}
.ftile__head {
  display: flex; align-items: baseline; justify-content: space-between;
}
.ftile__num {
  font-family: var(--font-number); font-weight: 900;
  font-size: 22px; color: var(--accent); letter-spacing: -0.3px;
  line-height: 1;
}
.ftile__cluster {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px;
  background: var(--accent-soft); color: var(--accent-dark);
  border-radius: 50%;
  font-family: var(--font-number); font-weight: 900; font-size: 10px;
}
.ftile__title {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 17px; line-height: 1.2;
  color: var(--text-dark);
  letter-spacing: -0.2px;
  text-wrap: pretty;
}
.ftile__title em { font-style: italic; color: var(--accent); }
.ftile__target {
  font-size: 11px; color: var(--text-muted);
  letter-spacing: 0.3px;
}
.ftile__target b { color: var(--accent); }
.ftile__bottom {
  margin-top: auto; padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 10px; letter-spacing: 1px; color: var(--text-muted);
}

/* view toggle list mode */
.list-mode .grid-3, .list-mode .grid-4 { grid-template-columns: 1fr; }
.list-mode .ftile, .list-mode .target-tile {
  min-height: 0;
  flex-direction: row; align-items: center; gap: 24px;
}
.list-mode .ftile__bottom, .list-mode .target-tile__bottom {
  border-top: none; padding-top: 0; margin-top: 0;
  flex: 1;
}

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .listing-hero__stats { grid-template-columns: 1fr; gap: 24px; }
  .listing-hero__stat-num { font-size: 36px; }
  /* Тап-цели чипов фильтра ≥44px (12.2.C) */
  .filter-chip { padding: 10px 14px; min-height: 44px; }
}

/* Mobile overflow fix — filterbar в колонку, grid → 1 колонка (12.2.C) */
@media (max-width: 480px) {
  .filterbar__inner { flex-direction: column; gap: 12px; }
  .filterbar__group { flex-wrap: wrap; width: 100%; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
}