/* ==========================================================================
   LUCKNOW PHYSIOTHERAPY CENTER - COMPONENTS STYLESHEET
   Buttons, Cards, Modals, Forms, Lightbox, Badges & Interactive Widgets
   ========================================================================== */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-main);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  user-select: none;
}

.btn-lg {
  padding: 18px 34px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.8125rem;
}

.btn-primary {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(18, 103, 163, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-deep-blue);
  color: var(--color-white);
  box-shadow: 0 6px 22px rgba(8, 59, 102, 0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-navy);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
}

.btn-secondary:hover {
  background-color: var(--color-light-blue);
  color: var(--color-deep-blue);
  border-color: var(--color-primary-blue);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-blue {
  background-color: transparent;
  color: var(--color-primary-blue);
  border: 1px solid var(--color-primary-blue);
}

.btn-outline-blue:hover {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--color-accent-blue);
  color: var(--color-navy);
  font-weight: 800;
}

.btn-accent:hover {
  background-color: #4AA4D7;
  color: var(--color-navy);
  transform: translateY(-2px);
}

.btn-arrow svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow svg {
  transform: translateX(4px);
}

/* --- Badges & Tags --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.badge-blue {
  background-color: var(--color-light-blue);
  color: var(--color-primary-blue);
}

.badge-dark {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.badge-green {
  background-color: #D1FAE5;
  color: #065F46;
}

/* --- Asymmetrical Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-color: var(--color-navy);
  color: var(--color-white);
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
}

/* Asymmetrical Spanning for Editorial Feel */
.service-card.span-2 {
  grid-column: span 2;
}

.service-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.service-card-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card:hover .service-card-bg img {
  transform: scale(1.06);
}

/* Gradient Overlay */
.service-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(6, 46, 82, 0.1) 0%,
    rgba(6, 46, 82, 0.6) 45%,
    rgba(4, 27, 48, 0.96) 100%
  );
  z-index: 2;
  transition: background var(--transition-base);
}

.service-card:hover .service-card-overlay {
  background: linear-gradient(
    180deg,
    rgba(6, 46, 82, 0.2) 0%,
    rgba(8, 59, 102, 0.75) 40%,
    rgba(4, 27, 48, 0.98) 100%
  );
}

.service-card-content {
  position: relative;
  z-index: 3;
  padding: 32px 28px;
}

.service-category-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin-bottom: 8px;
}

.service-card-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.25;
  margin-bottom: 10px;
}

.service-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-white);
  transition: color var(--transition-fast);
}

.service-card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
  color: var(--color-accent-blue);
}

.service-card:hover .service-card-link svg {
  transform: translateX(4px);
}

/* --- Review / Testimonial Cards & Slider --- */
.reviews-slider-wrapper {
  position: relative;
  overflow: hidden;
  padding: 8px 0 24px;
}

.reviews-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background: var(--color-white);
  padding: 36px 32px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-base);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(18, 103, 163, 0.3);
}

.review-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.star-rating {
  display: flex;
  align-items: center;
  gap: 3px;
  color: var(--color-google-star);
}

.star-rating svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.google-verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #4285F4;
  background: #E8F0FE;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.google-icon {
  width: 14px;
  height: 14px;
}

.review-text {
  font-size: 0.9375rem;
  color: var(--color-text-main);
  line-height: 1.65;
  margin-bottom: 24px;
  font-style: normal;
  flex-grow: 1;
}

.review-patient-info {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}

.patient-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.patient-meta h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.2;
}

.patient-condition {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* --- Editorial Blog Cards --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}

.blog-card-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-pale-blue);
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.blog-category-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--color-navy);
  color: var(--color-white);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.blog-card-body {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  font-weight: 600;
}

.blog-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.35;
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card-title {
  color: var(--color-primary-blue);
}

.blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary-blue);
  margin-top: auto;
}

.blog-card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.blog-card:hover .blog-card-link svg {
  transform: translateX(4px);
}

/* --- Filter Bars (Services, Gallery, Blog) --- */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-muted);
  background: var(--color-pale-blue);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--color-navy);
  background: var(--color-light-blue);
  border-color: var(--color-primary-blue);
}

.filter-btn.active {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
  box-shadow: 0 4px 14px rgba(6, 46, 82, 0.2);
}

/* --- Gallery Grid & Lightbox --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-subtle);
  aspect-ratio: 4 / 3;
}

.gallery-item.aspect-tall {
  aspect-ratio: 3 / 4;
}

.gallery-item.aspect-wide {
  aspect-ratio: 16 / 9;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(6, 46, 82, 0.9) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: var(--color-white);
}

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

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-overlay h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.gallery-item-overlay p {
  font-size: 0.75rem;
  color: var(--color-accent-blue);
  font-weight: 600;
}

/* Video Items in Gallery */
.gallery-video-item {
  position: relative;
  background-color: var(--color-navy);
}

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

.video-play-indicator {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(6, 46, 82, 0.85);
  border: 2px solid var(--color-accent-blue);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.45);
  transition: all var(--transition-base);
  pointer-events: none;
  z-index: 2;
}

.video-play-indicator svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
  margin-left: 3px;
}

.gallery-item:hover .video-play-indicator {
  background: var(--color-primary-blue);
  transform: translate(-50%, -50%) scale(1.12);
  box-shadow: 0 12px 30px rgba(18, 103, 163, 0.6);
}

.gallery-media-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(4, 27, 48, 0.85);
  color: var(--color-white);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 2;
  backdrop-filter: blur(4px);
}

/* Lightbox Modal */
.lightbox-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 3000;
  background-color: rgba(4, 27, 48, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-container {
  position: relative;
  max-width: 1000px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-image-wrap {
  max-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.lightbox-image-wrap img,
.lightbox-image-wrap video {
  max-height: 75vh;
  max-width: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-caption-bar {
  text-align: center;
  color: var(--color-white);
  max-width: 700px;
}

.lightbox-caption-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.lightbox-caption-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
}

.lightbox-counter {
  font-size: 0.75rem;
  color: var(--color-accent-blue);
  font-weight: 700;
  margin-top: 6px;
}

.lightbox-close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all var(--transition-fast);
  z-index: 3010;
}

.lightbox-close-btn:hover {
  background: var(--color-error);
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 3010;
}

.lightbox-nav-btn:hover {
  background: var(--color-primary-blue);
}

.lightbox-nav-prev {
  left: 24px;
}

.lightbox-nav-next {
  right: 24px;
}

/* --- Accessible Appointment Modal --- */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2500;
  background-color: rgba(4, 27, 48, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow-y: auto;
}

.modal-backdrop.active {
  display: flex;
}

.modal-card {
  background: var(--color-white);
  width: 100%;
  max-width: 640px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-dropdown);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  animation: modalIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  background: var(--color-navy);
  color: var(--color-white);
  padding: 32px 36px 28px;
  position: relative;
}

.modal-header-tag {
  color: var(--color-accent-blue);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.2;
}

.modal-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

.modal-close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.modal-body {
  padding: 36px;
}

/* Form Fields */
.form-row-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  margin-bottom: 18px;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.form-label span.req {
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background-color: #FAFCFE;
  font-size: 0.9375rem;
  color: var(--color-text-main);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-blue);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(18, 103, 163, 0.15);
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--color-error);
  background-color: #FEF2F2;
}

.form-feedback {
  font-size: 0.75rem;
  color: var(--color-error);
  margin-top: 4px;
  display: none;
}

.form-input.is-invalid + .form-feedback,
.form-select.is-invalid + .form-feedback,
.form-textarea.is-invalid + .form-feedback {
  display: block;
}

.form-notice {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: 14px;
  text-align: center;
}

/* Modal Confirmation State */
.modal-confirmation {
  display: none;
  text-align: center;
  padding: 40px 24px;
}

.confirmation-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #D1FAE5;
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.confirmation-icon svg {
  width: 32px;
  height: 32px;
}

.modal-confirmation h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.modal-confirmation p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 24px;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.confirmation-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

/* --- Accordion (FAQs) --- */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-primary-blue);
  box-shadow: var(--shadow-subtle);
}

.faq-trigger {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  background: none;
  border: none;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-pale-blue);
  color: var(--color-primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--color-primary-blue);
  color: var(--color-white);
}

.faq-content {
  display: none;
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.faq-item.active .faq-content {
  display: block;
}

/* --- Symptom Matcher Widget (Services Page) --- */
.symptom-checker-box {
  background: var(--color-pale-blue);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-bottom: 56px;
}

.symptom-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 28px;
}

.symptom-btn {
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-main);
  transition: all var(--transition-fast);
}

.symptom-btn:hover {
  border-color: var(--color-primary-blue);
  color: var(--color-primary-blue);
}

.symptom-btn.active {
  background: var(--color-primary-blue);
  border-color: var(--color-primary-blue);
  color: var(--color-white);
}

.symptom-result-panel {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  border-left: 4px solid var(--color-primary-blue);
  box-shadow: var(--shadow-subtle);
  display: none;
}

.symptom-result-panel.active {
  display: block;
}