/* ============================================================
   Key Opinion Leaders — kol-
   ============================================================ */

/* Intro */
.kol-intro {
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  color: var(--color-text);
  margin-bottom: var(--space-xl);
}

/* Section */
.kol-section {
  margin-top: var(--space-xl);
}

.kol-section:first-of-type {
  margin-top: 0;
}

.kol-section__heading {
  font-size: var(--text-xl);
  font-weight: var(--font-medium);
  color: var(--color-text-dark);
  position: relative;
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
  letter-spacing: 0.01em;
}

.kol-section__heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-primary);
}

/* ── KOL Grid ──────────────────── */
.kol-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg) var(--space-md);
  margin: var(--space-lg) 0;
}

.kol-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.kol-card__photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-text);
  margin-bottom: var(--space-sm);
  flex-shrink: 0;
}

.kol-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.kol-card__name {
  font-size: var(--text-md);
  font-weight: var(--font-medium);
  color: var(--color-text-dark);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-xs);
}

.kol-card__clinic {
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  margin-bottom: var(--space-xs);
  line-height: var(--leading-tight);
}

.kol-card__clinic:hover {
  opacity: 0.75;
}

.kol-card__location {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
}

.kol-card__articles {
  display: inline-block;
  margin-top: var(--space-sm);
  padding: 5px 14px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.kol-card__articles:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ── Featured Education ──────────────────── */
.kol-edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.kol-edu-card {
  border: 1px solid var(--color-text-muted);
  border-radius: 2px;
  background: linear-gradient(to bottom, var(--color-bg-white), var(--color-bg-light));
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  color: inherit;
  text-decoration: none;
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.kol-edu-card:hover {
  border-color: var(--color-border-ruminous);
  box-shadow: 0 0 12px rgba(27, 143, 203, 0.5);
}

.kol-edu-card::after {
  content: '';
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  width: 14px;
  height: 12px;
  background-color: var(--color-border);
  mask: url('/assets/images/common/icon/icon_arrow.svg') center / contain no-repeat;
  -webkit-mask: url('/assets/images/common/icon/icon_arrow.svg') center / contain no-repeat;
  /*transition: background-color var(--transition-normal);*/
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.kol-edu-card:hover::after {
  transform: translateX(2px);
  background-color: var(--color-primary);
}

/* YouTube responsive embed */
.kol-edu-card__video {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
}

.kol-edu-card__video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Static thumbnail */
.kol-edu-card__thumb {
  width: 100%;
  aspect-ratio: 346 / 199;
  object-fit: cover;
  display: block;
}

.kol-edu-card__body {
  padding: var(--space-sm) var(--space-md) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
}

.kol-edu-card__date {
  font-size: var(--text-xs);
  color: var(--color-text-sub);
}

.kol-edu-card__title {
  font-size: var(--text-md);
  font-weight: var(--font-medium);
  color: var(--color-text-dark);
  letter-spacing: 0.02em;
  line-height: 1.4;
  margin-top: var(--space-xs);
}

.kol-edu-card__desc {
  font-size: var(--text-sm);
  font-weight: var(--font-light);
  color: var(--color-text);
  line-height: var(--leading-normal);
}

/* ── Responsive ──────────────────── */
@media (max-width: 1200px) {
  .kol-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl) var(--space-lg);
  }
}

@media (max-width: 900px) {
  .kol-edu-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .kol-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .kol-edu-grid {
    grid-template-columns: 1fr;
  }
}