/* ============================================================
   teachers.css — Команда: портретные карточки + detail-панель
   Depends on: variables.css, layout.css
   ============================================================ */

.teachers {
  padding: var(--section-padding);
  background-color: var(--color-bg);
}

/* ── Grid: все в один ряд на desktop ─────────────────────── */
.teachers__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  align-items: start;
}

@media (min-width: 640px) {
  .teachers__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .teachers__grid { grid-template-columns: repeat(6, 1fr); gap: var(--space-4); }
}

/* ── Портретная карточка ─────────────────────────────────── */
.teacher-card {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  outline: none;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  background-color: var(--color-surface);
}

/* Цветная полоса сверху */
.teacher-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 3;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
}

.teacher-card[data-dir="mixed"]::before {
  background: linear-gradient(90deg, var(--color-primary), #0D9488);
}

.teacher-card[data-dir="manager"]::before {
  background: linear-gradient(90deg, var(--color-success), #0D9488);
}

.teacher-card[data-dir="founder"]::before {
  background: linear-gradient(90deg, #2563EB, #1E40AF);
}

/* Hover / active state */
.teacher-card:hover,
.teacher-card.is-active {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(30, 97, 192, 0.20);
}

.teacher-card[data-dir="manager"]:hover,
.teacher-card[data-dir="manager"].is-active {
  border-color: var(--color-success);
  box-shadow: 0 12px 32px rgba(21, 128, 61, 0.20);
}

/* ── Фото ────────────────────────────────────────────────── */
.teacher-card__photo-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: var(--color-primary-light);
}

/* Градиент внизу для читаемости имени */
.teacher-card__photo-wrap::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 55%;
  background: linear-gradient(to top, rgba(15,31,61,0.92) 0%, transparent 100%);
  z-index: 1;
}

.teacher-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s ease;
  display: block;
}

.teacher-card:hover .teacher-card__photo,
.teacher-card.is-active .teacher-card__photo {
  transform: scale(1.05);
}

/* Инициалы-заглушка (показываются если фото не загрузилось) */
.teacher-card__initials {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  font-weight: 800;
  color: rgba(30, 97, 192, 0.22);
  z-index: 0;
  font-family: var(--font-family);
  letter-spacing: 0.05em;
}

/* ── Статичный лейбл (имя + роль, виден всегда) ─────────── */
.teacher-card__label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 2;
  padding: var(--space-3) var(--space-3) var(--space-3);
}

.teacher-card__name {
  font-size: 13px;
  font-weight: var(--font-weight-bold);
  color: #fff;
  line-height: 1.3;
  margin: 0 0 2px;
}

.teacher-card__subject {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  line-height: 1.3;
  margin: 0;
}

/* ── Скрытые данные (читаются JS, не отображаются) ──────── */
.teacher-card__body { display: none; }

/* ── Detail-панель (появляется ниже ряда карточек) ──────── */
.teacher-detail {
  grid-column: 1 / -1;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  box-shadow: var(--shadow-card-hover);
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.28s ease, transform 0.28s ease;
  pointer-events: none;
}

.teacher-detail[hidden] { display: none !important; }

.teacher-detail.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.teacher-detail__inner {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-8);
  padding: var(--space-6) var(--space-8);
  border-left: 4px solid var(--color-primary);
}

.teacher-detail[data-dir="manager"] .teacher-detail__inner {
  border-left-color: var(--color-success);
}

.teacher-detail__name {
  font-size: var(--text-h3);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2);
  line-height: 1.2;
}

.teacher-detail__subject {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-2);
}

.teacher-detail[data-dir="manager"] .teacher-detail__subject {
  color: var(--color-success);
}

.teacher-detail__exp {
  display: block;
  font-size: var(--text-body-m);
  font-weight: 600;
  color: var(--color-text-muted);
}

.teacher-detail__desc {
  font-size: var(--text-body-m);
  color: var(--color-text-secondary);
  line-height: var(--lh-body);
  margin: 0 0 var(--space-4);
}

.teacher-detail__quote {
  font-style: italic;
  font-size: var(--text-body-m);
  color: var(--color-text-primary);
  line-height: var(--lh-body);
  margin: 0;
  padding: var(--space-2) var(--space-3);
  border-left: 3px solid var(--color-primary);
  background: var(--color-primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.teacher-detail[data-dir="manager"] .teacher-detail__quote {
  border-left-color: var(--color-success);
  background: rgba(21, 128, 61, 0.07);
}

@media (max-width: 767px) {
  .teacher-detail__inner {
    grid-template-columns: 1fr;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
  }
}