/* =========================================
   BRIGHTSMILE DENTAL — SERVICES PAGE
   ========================================= */

/* ── Services Tabs Bar ── */
.services-tabs {
  background: var(--color-white);
  border-bottom: 2px solid var(--color-border);
  position: sticky;
  top: var(--nav-height);
  z-index: var(--z-raised);
  box-shadow: var(--shadow-xs);
}

.services-tabs__list {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.services-tabs__list::-webkit-scrollbar {
  display: none;
}

.services-tabs__btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast);
  border: none;
  background: none;
  cursor: pointer;
  min-height: 56px;
}

.services-tabs__btn:hover {
  color: var(--color-teal);
}

.services-tabs__btn[aria-selected="true"] {
  color: var(--color-teal);
  font-weight: var(--weight-semibold);
  border-bottom-color: var(--color-teal);
  border-bottom-width: 3px;
}

.services-tabs__btn:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: -2px;
}

.services-tabs__icon {
  font-size: 1.1rem;
}

/* ── Service Panel Layout ── */
.service-panel {
  display: none;
  padding-block: var(--space-8);
}

.service-panel.is-active {
  display: block;
}

.service-panel__layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-6);
  align-items: start;
}

/* ── Service Detail Card ── */
.service-detail {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.service-detail__header {
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-light));
  padding: var(--space-4);
  color: var(--color-white);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.service-detail__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  flex-shrink: 0;
}

.service-detail__title {
  font-family: var(--font-heading);
  font-size: var(--h3-size);
  color: var(--color-white);
  margin-bottom: 6px;
}

.service-detail__tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
}

.service-detail__body {
  padding: var(--space-4);
}

.service-detail__body p {
  margin-bottom: var(--space-3);
}

.service-detail__section-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: var(--space-2);
  margin-top: var(--space-3);
}

.service-detail__benefits {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-1);
}

.service-detail__benefit {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.service-detail__benefit::before {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: var(--radius-circle);
  background: var(--color-teal);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 10px;
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
}

/* Sub-service cards grid */
.sub-services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.sub-service-card {
  padding: var(--space-3);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sub-service-card:hover {
  border-color: var(--color-teal);
  box-shadow: var(--shadow-sm);
}

.sub-service-card__emoji {
  font-size: 1.5rem;
}

.sub-service-card__title {
  font-weight: var(--weight-semibold);
  color: var(--color-navy);
  font-size: var(--text-base);
}

.sub-service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── Service Sidebar ── */
.service-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: sticky;
  top: calc(var(--nav-height) + 56px + var(--space-3));
}

.service-sidebar__card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-3);
}

.service-sidebar__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.service-sidebar__cta {
  background: linear-gradient(135deg, var(--color-teal), var(--color-teal-dark));
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  text-align: center;
  color: white;
}

.service-sidebar__cta h4 {
  color: white;
  margin-bottom: var(--space-1);
}

.service-sidebar__cta p {
  color: rgba(255,255,255,0.80);
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}

/* ── Technology Grid ── */
.technology-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.tech-item {
  text-align: center;
  padding: var(--space-4) var(--space-3);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

@media (hover: hover) {
  .tech-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }
}

.tech-item__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-2);
}

.tech-item__title {
  font-weight: var(--weight-semibold);
  color: var(--color-navy);
  font-size: var(--text-base);
  margin-bottom: 6px;
}

.tech-item__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .service-panel__layout {
    grid-template-columns: 1fr;
  }

  .service-sidebar {
    position: static;
  }

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

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

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