/* Teaching page card layout is isolated here to prevent shared image styles from overriding it. */

.course-groups {
  align-items: start;
  gap: 24px;
}

.course-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.6rem, 3vw, 2.35rem);
  border-color: rgba(18, 86, 111, 0.14);
  box-shadow: 0 18px 42px rgba(11, 29, 48, 0.08);
}

.course-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--teal), rgba(18, 146, 168, 0.16));
}

.course-institution {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 0.9rem;
  align-items: center;
}

.course-card .course-logo {
  display: block;
  width: 42px !important;
  min-width: 42px;
  max-width: 42px !important;
  height: 42px !important;
  min-height: 42px;
  max-height: 42px;
  object-fit: contain;
}

.course-card .course-university {
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
}

.course-card .teaching-period {
  margin: 1.3rem 0 1.4rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(18, 146, 168, 0.14);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(229, 244, 247, 0.78), rgba(247, 251, 252, 0.9));
  font-family: var(--font-display);
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.course-card .course-theme {
  margin: 0 0 0.85rem;
  padding: 0;
  border: 0;
  color: rgba(11, 29, 48, 0.62);
  font-size: clamp(0.92rem, 1.35vw, 1.05rem);
  font-weight: 600;
  line-height: 1.4;
}

.course-card .course-list {
  position: relative;
  margin-left: 0.35rem;
  padding-left: 1.65rem;
  border-top: 0;
}

.course-card .course-list::before {
  content: "";
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 4px;
  width: 2px;
  border-radius: 999px;
  background: rgba(18, 146, 168, 0.28);
}

.course-card .course-list li {
  position: relative;
  grid-template-columns: minmax(105px, 0.28fr) minmax(0, 1fr);
  gap: 1rem;
  padding: 0.82rem 0;
  border-bottom-color: rgba(11, 29, 48, 0.1);
}

.course-card .course-list li::before {
  content: "";
  position: absolute;
  top: 1.02rem;
  left: -1.65rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px #fff;
}

.course-card .course-list li:last-child {
  border-bottom: 0;
}

@media (max-width: 900px) {
  .course-groups {
    grid-template-columns: 1fr;
  }

  .course-card-featured {
    grid-row: auto;
  }
}

@media (max-width: 560px) {
  .course-institution {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 0.75rem;
  }

  .course-card .course-logo {
    width: 36px !important;
    min-width: 36px;
    max-width: 36px !important;
    height: 36px !important;
    min-height: 36px;
    max-height: 36px;
  }

  .course-card .course-university {
    font-size: 1.12rem;
  }

  .course-card .course-list li {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
}