/* Teachers section — qalam-high.html.
   Depends on shared page tokens (--crimson-*, --dark-950, --gold-300, --radius-2xl,
   --ease-out, --text-muted, --display) and the shared .results-nav / .results-nav-btn
   component (static/shared/nav-buttons.css). */

.teachers {
  padding: 120px 0;
  background: #fff;
  position: relative;
  overflow: hidden;
}
.teachers .blob-a {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 480px;
  height: 480px;
  background: rgba(224, 144, 0, 0.05);
  border-radius: 50%;
  filter: blur(110px);
  pointer-events: none;
}
.teachers .blob-b {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to top, rgba(140, 26, 46, 0.04), transparent);
  pointer-events: none;
}
.teachers .container {
  position: relative;
  z-index: 1;
}
.teachers-head {
  text-align: left;
  margin-bottom: 52px;
}
.teachers-head h2 {
  margin-bottom: 12px;
}
.teachers-head h2 em {
  font-style: normal;
  color: var(--crimson-600);
  font-weight: 800;
}
.teachers-head p {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.65;
}
.teachers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.teachers-nav {
  display: none;
}
.tcard {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--dark-950);
  transition: transform 0.35s var(--ease-out);
}
.tcard:hover {
  transform: translateY(-6px);
}
.tcard-img {
  position: absolute;
  inset: 0;
}
.tcard-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  opacity: 0.92;
  transition:
    transform 0.6s var(--ease-out),
    opacity 0.5s;
}
.tcard:hover .tcard-img img {
  transform: scale(1.06);
  opacity: 1;
}
.tcard-img-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--crimson-700) 0%, var(--dark-950) 100%);
  font-family: var(--display);
  font-size: 3.4rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.85);
}
.tcard::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to top,
    rgba(10, 6, 8, 0.92) 0%,
    rgba(10, 6, 8, 0.55) 40%,
    rgba(10, 6, 8, 0.15) 68%,
    transparent 88%
  );
  pointer-events: none;
}
.tcard-exp {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  background: transparent;
  backdrop-filter: blur(48px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 10.5px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(10, 6, 8, 0.35);
}
.tcard-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 18px;
}
.tcard-tag {
  display: block;
  color: var(--gold-300);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.4;
  margin-bottom: 5px;
}
.tcard-name {
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.22;
  letter-spacing: -0.02em;
}
.tcard-desc-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s var(--ease-out);
}
.tcard:hover .tcard-desc-wrap,
.tcard.is-open .tcard-desc-wrap {
  grid-template-rows: 1fr;
}
.tcard-desc-inner {
  overflow: hidden;
}
.tcard-desc-inner p {
  margin: 10px 0 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.55;
  font-weight: 500;
  opacity: 0;
  transform: translateY(6px);
  transition:
    opacity 0.35s ease 0.05s,
    transform 0.35s ease 0.05s;
  display: -webkit-box;
  -webkit-line-clamp: 8;
  line-clamp: 8;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tcard:hover .tcard-desc-inner p,
.tcard.is-open .tcard-desc-inner p {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .teachers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 900px) {
  .teachers {
    padding: 96px 0;
  }
}

@media (max-width: 640px) {
  .teachers {
    padding: 64px 0;
  }
  .teachers-head {
    margin-bottom: 40px;
  }

  /* Same card look as desktop, horizontal carousel on mobile */
  .teachers-grid {
    display: flex;
    grid-template-columns: none;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 16px;
    margin: 0 -4px;
    padding: 14px 4px 22px;
    scroll-snap-type: x mandatory;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .teachers-grid::-webkit-scrollbar {
    display: none;
  }
  .tcard {
    flex: 0 0 280px;
    max-width: 84vw;
    scroll-snap-align: start;
  }
  .teachers-nav {
    display: flex;
  }
  .tcard-desc-inner p {
    -webkit-line-clamp: 7;
    line-clamp: 7;
  }
}