/* ════════════════════════════════════════════════════
   Cases — «С чем работаю»
   Eyebrow · h2 · lead · табы · 3 панели с сетками карточек
   Tokens: design-system/colors_and_type.css
   ════════════════════════════════════════════════════ */

.cases {
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  padding: 72px 0;
  color: var(--text-dark);
}
.cases__container {
  max-width: var(--container, 1240px);
  margin: 0 auto;
  padding: 0 32px;
}

/* ─── Header (центрированный — стиль «Аккредитаций») ─── */
.cases__eyebrow {
  font: 500 13px/1.3 var(--font-body);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
}
.cases__eyebrow::before,
.cases__eyebrow::after {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.cases__h2 {
  font: 500 clamp(30px, 3.4vw, 44px)/1.2 var(--font-serif);
  letter-spacing: -0.4px;
  color: var(--text-dark);
  margin: 0 auto 16px;
  max-width: 920px;
  text-align: center;
  text-wrap: pretty;
}
.cases__h2 em {
  color: var(--accent);
  font-style: italic;
  font-weight: 500;
}

.cases__lead {
  font: 400 italic clamp(16px, 1.3vw, 19px)/1.55 var(--font-serif);
  color: var(--text-muted, rgba(60, 50, 40, 0.65));
  margin: 0 auto;
  max-width: 640px;
  text-align: center;
  text-wrap: pretty;
}

/* ─── Табы ─── */
.cases-tabs {
  display: flex;
  justify-content: center;
  gap: 64px;
  margin: 40px 0 48px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.cases-tab {
  background: transparent;
  border: 0;
  padding: 16px 4px;
  position: relative;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.3px;
  color: var(--text-muted);
  transition: color 0.2s var(--ease-out, ease-out);
}

.cases-tab:hover {
  color: var(--text-dark);
}

.cases-tab.is-active {
  color: var(--accent);
}

.cases-tab.is-active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -17px;
  height: 3px;
  background: var(--accent);
}

.cases-tab__count {
  display: inline-block;
  margin-left: 6px;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-muted);
  vertical-align: middle;
}

.cases-tab.is-active .cases-tab__count {
  color: var(--accent);
}

/* ─── Панели + сетка ─── */
.cases-panel {
  display: none;
}
.cases-panel.is-active {
  display: block;
}

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

/* ─── Карточка ─── */
.case-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: border-color 0.2s var(--ease-out, ease-out),
              transform 0.2s var(--ease-out, ease-out);
}

.case-card__num {
  position: absolute;
  top: 24px;
  right: 28px;
  font-family: var(--font-num, var(--font-number, var(--font-body)));
  font-weight: 900;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.5px;
  line-height: 1;
}

.case-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.case-card__title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.25;
  color: var(--text-dark);
  margin: 0 36px 16px 0;
  text-wrap: pretty;
}
.case-card__title em {
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
}

.case-card__desc {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0;
  text-wrap: pretty;
}

/* ─── Адаптив ─── */
@media (max-width: 1100px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .cases { padding: 56px 0; }
  .cases__container { padding: 0 20px; }
  .cases-tabs {
    gap: 24px;
    margin: 28px 0 32px;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 12px;
    -webkit-overflow-scrolling: touch;
  }
  .cases-tabs::-webkit-scrollbar { display: none; }
  .cases-tab {
    flex: 0 0 auto;
    font-size: 17px;
    padding: 14px 4px;
  }
  .cases-tab.is-active::after { bottom: -13px; }
  .cases-grid { grid-template-columns: 1fr; gap: 16px; }
  .case-card { padding: 28px 24px 24px; }
  .case-card__title { font-size: 20px; }
  .case-card__desc { font-size: 14px; }
}