/* Responsive Design */

/* Header Navigation */
.site-header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.site-branding h1 {
  font-size: 1.5rem;
  margin: 0;
}

.site-branding img {
  max-width: 100px;
  height: auto;
}

.menu-toggle {
  display: none;
  background-color: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.menu-toggle.active {
  background-color: var(--color-light-bg);
}

.primary-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.primary-nav .menu {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav .menu a {
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 2px solid transparent;
  transition: border-color 0.3s ease, color 0.3s ease;
  color: var(--color-primary);
}

.primary-nav .menu a:hover {
  border-bottom-color: var(--color-accent);
  text-decoration: none;
  color: var(--color-secondary);
}

.header-cta {
  display: flex;
  gap: var(--spacing-md);
  margin-left: var(--spacing-lg);
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.9rem;
}

/* Footer Navigation */
.footer-section .menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-section .menu li {
  margin-bottom: var(--spacing-sm);
}

.footer-section .menu a {
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.footer-section .menu a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* Hero Section */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  min-height: 500px;
}

.hero-content {
  flex: 1;
  padding-right: var(--spacing-xl);
}

.hero-title {
  font-size: 3rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  border-left: 4px solid var(--color-accent);
  padding-left: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
}

.hero-image {
  flex: 1;
  max-height: 500px;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Sections */
.services-section,
.about-section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-size: 2.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card .service-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background-color: var(--color-light-bg);
}

.service-card .service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.service-card:hover .service-image img {
  transform: scale(1.05);
}

.service-card .service-info {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card h3 {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.service-card p {
  flex: 1;
  margin-bottom: 0;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
  border-left: none;
  padding-left: 0;
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
}

.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-secondary);
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  text-decoration: none;
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: 1.1rem;
}

/* Image Optimization */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

img[loading="lazy"] {
  opacity: 1;
  transition: opacity 0.3s ease;
}

img[loading="lazy"]:not([src*=".webp"]) {
  content: "";
}

picture {
  display: block;
}

picture img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* WebP Support */
@supports (background-image: url("data:image/webp;base64,UklGRjoIAABXRUJQ")) {
  .hero-image {
    background-image: url("../images/hero/clinic_lobby_hero.webp");
  }
}

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.footer-tel a {
  color: var(--color-accent);
  font-weight: 600;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: 0.875rem;
}

.footer-bottom a {
  color: var(--color-accent);
}

/* Page Header */
.page-header {
  background-color: var(--color-light-bg);
  padding: var(--spacing-xl) 0;
}

.page-title {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin: 0;
}

/* Tablet & Mobile */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .primary-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    flex-direction: column;
  }
  
  .primary-nav.active {
    display: flex;
  }
  
  .primary-nav .menu {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .hero-section {
    flex-direction: column;
    min-height: auto;
    padding: var(--spacing-lg) 0;
  }
  
  .hero-content {
    padding-right: 0;
    margin-bottom: var(--spacing-lg);
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-image {
    max-height: 300px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .cta-section h2 {
    font-size: 1.75rem;
  }
  
  .cta-section p {
    font-size: 1rem;
  }
  
  .btn-large {
    width: 100%;
    margin-bottom: var(--spacing-md);
  }
  
  .nav-wrapper {
    position: relative;
  }
  
  .header-cta {
    margin-left: auto;
  }
}

/* Service Overview */
.services-grid-full {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-xl) 0;
}

.service-overview-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-overview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background-color: var(--color-light-bg);
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-content {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-content h3 {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.service-content p {
  flex: 1;
  margin-bottom: var(--spacing-lg);
}

/* Service Detail */
.service-detail-hero {
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-height: 500px;
}

.service-detail-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-intro {
  padding: var(--spacing-xl) 0;
  border-bottom: 2px solid var(--color-light-bg);
}

.treatment-flow {
  padding: var(--spacing-xl) 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.step {
  background-color: var(--color-light-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
  text-align: center;
}

.step-number {
  display: inline-block;
  width: 50px;
  height: 50px;
  line-height: 50px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.step h3 {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

/* Benefits */
.service-benefits {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-light-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.benefit {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.benefit-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.benefit h4 {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

/* FAQ */
.service-faq,
.faq-intro {
  padding: var(--spacing-xl) 0;
}

.faq-list {
  max-width: 800px;
}

.faq-item {
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  background-color: var(--color-light-bg);
  cursor: pointer;
  font-weight: 600;
  color: var(--color-primary);
  transition: background-color 0.3s ease;
}

.faq-item summary:hover {
  background-color: #e8e8e8;
}

.faq-icon {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.faq-item[open] summary .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.faq-answer p {
  margin: 0;
}

.faq-question {
  flex: 1;
}

/* Staff */
.staff-intro {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.staff-list {
  padding: var(--spacing-xl) 0;
}

.staff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.staff-card {
  background-color: var(--color-light-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease;
}

.staff-card:hover {
  transform: translateY(-4px);
}

.staff-card img {
  width: 100%;
  height: 350px;
  object-fit: cover;
}

.staff-info {
  padding: var(--spacing-lg);
}

.staff-info h3 {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.staff-title {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.staff-bio {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Facility */
.facility-intro {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.facility-main-image {
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-height: 600px;
}

.facility-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.facility-features {
  padding: var(--spacing-xl) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.feature {
  background-color: var(--color-light-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-secondary);
}

.feature h3 {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

/* Facility Gallery */
.facility-gallery {
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xl);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease;
}

.gallery-item:hover {
  transform: scale(1.05);
}

.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.gallery-item p {
  padding: var(--spacing-md);
  background-color: var(--color-light-bg);
  text-align: center;
  margin: 0;
  font-weight: 600;
  color: var(--color-primary);
}

/* Access */
.access-info {
  padding: var(--spacing-xl) 0;
}

.access-details {
  flex: 1;
}

.access-details h2,
.access-details h3 {
  color: var(--color-primary);
  margin-top: var(--spacing-lg);
}

.access-details dl {
  line-height: 2;
}

.access-details dt {
  font-weight: 600;
  color: var(--color-secondary);
}

.access-details dd {
  margin-left: 0;
  margin-bottom: var(--spacing-md);
}

.hours-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--spacing-md);
}

.hours-table tr {
  border-bottom: 1px solid var(--color-border);
}

.hours-table td {
  padding: var(--spacing-md);
}

.hours-table td:first-child {
  font-weight: 600;
  color: var(--color-secondary);
  width: 30%;
}

.map-placeholder {
  width: 100%;
  min-height: 400px;
  background-color: var(--color-light-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #999;
}

/* Access Guide */
.access-guide {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-light-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
}

.access-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.access-step {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.access-step h3 {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.access-step p {
  margin: var(--spacing-sm) 0;
  color: #666;
}

/* CTA Sections */
.service-cta,
.staff-cta,
.facility-cta,
.faq-contact,
.access-cta {
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  text-align: center;
  border-radius: var(--radius-lg);
  margin: var(--spacing-xl) 0;
}

.service-cta h2,
.staff-cta h2,
.facility-cta h2,
.faq-contact h2,
.access-cta h2 {
  color: var(--color-white);
  border: none;
  padding: 0;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

@media (max-width: 480px) {
  .nav-wrapper {
    padding: var(--spacing-md) 0;
  }
  
  .site-branding h1 {
    font-size: 1.25rem;
  }
  
  .header-cta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .hero-title {
    font-size: 1.5rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .services-grid-full,
  .staff-grid,
  .features-grid,
  .gallery-grid,
  .access-steps,
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .btn-large {
    width: 100%;
  }
  
  .row {
    flex-direction: column;
  }
}