/* =========================================
   BRIGHTSMILE DENTAL — ABOUT PAGE
   ========================================= */

/* ── Timeline ── */
.timeline {
  position: relative;
  padding-block: var(--space-4);
  margin-top: var(--space-5);
}

.timeline__line {
  position: absolute;
  left: 18px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-teal), var(--color-navy));
}

.timeline__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-left: var(--space-6);
}

.timeline__item {
  position: relative;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-6) + 10px);
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-circle);
  background-color: var(--color-teal);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-teal);
}

.timeline__year {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-teal);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.timeline__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-navy);
  margin-bottom: 4px;
}

.timeline__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ── Horizontal Timeline (desktop) ── */
.timeline--horizontal {
  padding-block: var(--space-4);
}

.timeline--horizontal .timeline__line {
  display: none;
}

.timeline--horizontal .timeline__items {
  flex-direction: row;
  padding-left: 0;
  overflow-x: auto;
  gap: 0;
  padding-bottom: var(--space-2);
}

.timeline--horizontal .timeline__item {
  flex: 1;
  min-width: 160px;
  text-align: center;
  padding-inline: var(--space-2);
  position: relative;
  padding-top: var(--space-4);
}

/* Horizontal line */
.timeline--horizontal .timeline__item::after {
  content: '';
  position: absolute;
  top: 14px;
  left: 50%;
  right: -50%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-teal), var(--color-navy));
  z-index: 0;
}

.timeline--horizontal .timeline__item:last-child::after {
  display: none;
}

.timeline--horizontal .timeline__item::before {
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  left: calc(50% - 8px);
}

/* ── Doctor Profile Card (expanded) ── */
.doctor-profile-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-4);
  align-items: start;
}

.doctor-profile-card__photo {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-soft-blue), var(--color-muted-mint));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  flex-shrink: 0;
}

.doctor-profile-card__name {
  font-family: var(--font-heading);
  font-size: var(--h3-size);
  color: var(--color-navy);
  margin-bottom: 4px;
}

.doctor-profile-card__creds {
  font-size: var(--text-sm);
  color: var(--color-teal);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
}

.doctor-profile-card__role {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.doctor-profile-card__bio {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2);
}

.doctor-profile-card__specialties {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

/* ── Certifications Grid ── */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-3);
  align-items: center;
  justify-items: center;
}

.cert-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 100%;
  text-align: center;
  transition: box-shadow var(--transition-base);
}

.cert-logo:hover {
  box-shadow: var(--shadow-sm);
}

.cert-logo__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-circle);
  background: var(--color-soft-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-navy);
  font-weight: var(--weight-bold);
  font-size: var(--text-xs);
}

.cert-logo__name {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-navy);
}

/* ── Clinic Tour Grid ── */
.facility-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: var(--space-3);
}

.facility-grid__item {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-soft-blue);
  aspect-ratio: 4/3;
  position: relative;
}

.facility-grid__item:first-child {
  grid-column: 1 / 3;
  aspect-ratio: 16/9;
}

.facility-grid__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-2) var(--space-2);
  background: linear-gradient(to top, rgba(27,58,107,0.75), transparent);
  color: white;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
}

.facility-img-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #C8D8F0, #D0E8F0);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

/* ── Why Choose Us comparison list ── */
.why-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.why-item {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  padding: var(--space-3);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.why-item__check {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-circle);
  background-color: var(--color-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.why-item__text strong {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-navy);
  margin-bottom: 2px;
}

.why-item__text span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .doctor-profile-card {
    grid-template-columns: 1fr;
  }

  .doctor-profile-card__photo {
    width: 100px;
    height: 100px;
  }

  .facility-grid {
    grid-template-columns: 1fr 1fr;
  }

  .facility-grid__item:first-child {
    grid-column: 1 / -1;
  }

  .why-list {
    grid-template-columns: 1fr;
  }

  .certs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .facility-grid {
    grid-template-columns: 1fr;
  }

  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}