/* ==========================================================================
   Dr. Khaled Abdulqader Moshantaf Dental Clinic - Master Stylesheet
   Modern, Ultra-Responsive, Accessible & High-Performance Design System
   ========================================================================== */

/* --- 1. CSS Custom Properties / Design Tokens --- */
:root {
  /* Brand Palette */
  --primary: #0A7E8C;
  --primary-dark: #075E69;
  --primary-deep: #053F47;
  --primary-light: #EBF7F8;
  --primary-surface: #F0F9FA;
  --primary-glow: rgba(10, 126, 140, 0.18);
  
  --secondary: #0F252C;
  --secondary-light: #1E3A42;
  
  --accent: #14B8A6;
  --accent-warm: #E67E22;
  --gold: #F59E0B;
  --gold-light: #FEF3C7;
  
  --success: #10B981;
  --danger: #EF4444;
  
  /* Neutral Colors */
  --bg-page: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-glass: rgba(255, 255, 255, 0.94);
  --bg-card: #FFFFFF;
  --bg-muted: #F1F5F9;
  
  --text-main: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;
  
  --border-subtle: #E2E8F0;
  --border-medium: #CBD5E1;
  --border-focus: #0A7E8C;
  
  /* Typography */
  --font-arabic: 'Tajawal', 'Cairo', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-latin: 'Tajawal', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Fluid Typographic Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.825rem + 0.25vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.45rem);
  --text-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.85rem);
  --text-3xl: clamp(1.85rem, 1.6rem + 1.25vw, 2.35rem);
  --text-4xl: clamp(2.25rem, 1.9rem + 1.75vw, 3rem);
  
  /* Elevation Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 16px 32px -4px rgba(10, 126, 140, 0.14), 0 6px 12px -2px rgba(10, 126, 140, 0.06);
  
  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Layout Sizing */
  --container-max: 1240px;
  --header-height: 80px;
}

/* --- 2. CSS Reset & Base Standards --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-arabic);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-body);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  /* Prevent horizontal scroll without breaking sticky navigation */
  overflow-x: clip;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  inset-inline-start: 1.5rem;
  background: var(--secondary);
  color: #FFFFFF;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 99999;
  text-decoration: none;
  transition: top var(--transition-fast);
  box-shadow: var(--shadow-lg);
}

.skip-link:focus {
  top: 1.5rem;
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* High Contrast Focus Visibility across all elements */
:focus-visible {
  outline: 3px solid var(--border-focus);
  outline-offset: 3px;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 2rem;
  }
}

/* Screen Reader Only Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* RTL / Arabic Text Support */
.rtl-text, [dir="rtl"] {
  direction: rtl;
  text-align: right;
}

.bilingual-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
  width: fit-content;
}

/* --- 3. Sticky Glassmorphism Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-surface-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
  background-color: rgba(255, 255, 255, 0.98);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1.5rem;
}

/* Brand Logo (Starts the header & functions as Home Link) */
.brand-link {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
  min-width: 0;
  flex-shrink: 0;
}

.brand-logo-img {
  height: 52px;
  width: auto;
  aspect-ratio: 240 / 127;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-link:hover .brand-logo-img {
  transform: scale(1.02);
}

.brand-meta {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.25;
  white-space: nowrap;
}

.brand-tagline {
  font-size: var(--text-xs);
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Desktop Navigation (No 'Home' link per strict rule) */
.desktop-nav {
  display: none;
}

@media (min-width: 992px) {
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-body);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
  background-color: var(--primary-light);
}

.nav-link.active {
  color: var(--primary);
  background-color: var(--primary-light);
  font-weight: 700;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0.15rem;
  inset-inline-start: 1rem;
  inset-inline-end: 1rem;
  height: 2.5px;
  background-color: var(--primary);
  border-radius: var(--radius-full);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-header-cta {
  display: none;
}

@media (min-width: 640px) {
  .btn-header-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.15rem;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 700;
    background-color: var(--primary);
    color: #FFFFFF;
    box-shadow: 0 4px 10px rgba(10, 126, 140, 0.25);
    transition: all var(--transition-fast);
    min-height: 44px;
  }
  
  .btn-header-cta:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(10, 126, 140, 0.35);
    color: #FFFFFF;
  }
}

/* Mobile Hamburger Toggle (>= 48px touch target) */
.mobile-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  background: var(--bg-muted);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 10px;
  gap: 5px;
  transition: all var(--transition-fast);
}

.mobile-toggle:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

.hamburger-bar {
  width: 22px;
  height: 2px;
  background-color: var(--secondary);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.mobile-toggle[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-toggle[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 992px) {
  .mobile-toggle {
    display: none;
  }
}

/* Mobile Drawer (No Home Link per strict rule) */
.mobile-drawer {
  position: fixed;
  inset-block-start: var(--header-height);
  inset-inline-start: 0;
  inset-inline-end: 0;
  inset-block-end: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  visibility: hidden;
  opacity: 0;
  transition: visibility var(--transition-smooth), opacity var(--transition-smooth);
  z-index: 999;
}

.mobile-drawer.is-open {
  visibility: visible;
  opacity: 1;
}

.mobile-drawer-content {
  background-color: var(--bg-surface);
  padding: 1.5rem;
  border-bottom: 2px solid var(--primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-20px);
  transition: transform var(--transition-smooth);
  max-height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

.mobile-drawer.is-open .mobile-drawer-content {
  transform: translateY(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-main);
  background: var(--bg-muted);
  min-height: 48px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
}

.mobile-cta-box {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

/* --- 4. Hero Section Styles --- */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #0D2329 0%, #11343D 50%, #0A4E57 100%);
  color: #FFFFFF;
  padding-block: clamp(3rem, 6vw, 5.5rem);
  overflow: clip;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(20, 184, 166, 0.12) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  opacity: 0.7;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

.hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
}

.hero-badge-gold {
  background: rgba(245, 158, 11, 0.18);
  border-color: rgba(245, 158, 11, 0.4);
  color: #FCD34D;
}

.hero-title {
  font-size: var(--text-3xl);
  font-weight: 900;
  line-height: 1.2;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.hero-slogan-highlight {
  display: block;
  color: var(--accent);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-top: 0.5rem;
}

.hero-story-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-block: 1.5rem;
  backdrop-filter: blur(10px);
}

.hero-story-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--text-base);
  font-weight: 800;
  color: #F0FDFA;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 0.5rem;
}

.hero-story-text {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: #E2E8F0;
  margin-bottom: 0.75rem;
}

.hero-story-text:last-child {
  margin-bottom: 0;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

/* Universal Button Styles (Ergonomic touch targets >= 48px) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  min-height: 48px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(10, 126, 140, 0.35);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(10, 126, 140, 0.45);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background-color: #1EBE5D;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.45);
}

.btn-outline-white {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #FFFFFF;
  color: #FFFFFF;
}

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

.btn-secondary:hover {
  background-color: var(--secondary-light);
  color: #FFFFFF;
}

/* Hero Doctor Portrait Presentation */
.hero-media-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-img-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.45);
  border: 4px solid rgba(255, 255, 255, 0.15);
  width: 100%;
  max-width: 440px;
  background-color: var(--secondary-light);
}

.hero-img {
  width: 100%;
  height: auto;
  aspect-ratio: 851 / 1024;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.hero-img-frame:hover .hero-img {
  transform: scale(1.02);
}

/* Floating Overlay Card on Hero Media */
.hero-floating-card {
  position: absolute;
  inset-block-end: -1rem;
  inset-inline-start: -1rem;
  background: rgba(15, 37, 44, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: var(--shadow-xl);
  max-width: 290px;
}

@media (max-width: 576px) {
  .hero-floating-card {
    position: static;
    margin-top: 1rem;
    max-width: 100%;
  }
}

.hero-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--primary-glow);
  border: 1px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.hero-card-title {
  font-size: var(--text-xs);
  color: #94A3B8;
  font-weight: 600;
}

.hero-card-value {
  font-size: var(--text-sm);
  color: #FFFFFF;
  font-weight: 800;
}

/* --- 5. Official Slogan Banner --- */
.slogan-strip {
  background: linear-gradient(90deg, var(--primary) 0%, #066570 100%);
  color: #FFFFFF;
  padding-block: 1.25rem;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.08);
}

.slogan-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .slogan-container {
    flex-direction: row;
    gap: 2rem;
  }
}

.slogan-arabic {
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.slogan-divider {
  display: none;
  opacity: 0.5;
}

@media (min-width: 768px) {
  .slogan-divider {
    display: inline-block;
  }
}

.slogan-english {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  opacity: 0.92;
  text-transform: uppercase;
}

/* --- 6. Section Commons --- */
.section {
  padding-block: clamp(3.5rem, 6vw, 6rem);
}

.section-muted {
  background-color: var(--bg-muted);
}

.section-white {
  background-color: var(--bg-surface);
}

.section-dark {
  background-color: var(--secondary);
  color: #FFFFFF;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.section-dark .section-title {
  color: #FFFFFF;
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--text-muted);
  line-height: 1.7;
}

.section-dark .section-subtitle {
  color: #CBD5E1;
}

/* --- 7. Services Grid & Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  inset-inline-end: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  background-color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  padding: 10px;
  border: 1px solid rgba(10, 126, 140, 0.15);
  flex-shrink: 0;
}

.service-icon-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.service-card-title {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.35;
  margin-bottom: 0.25rem;
}

.service-card-subtitle {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.85rem;
}

.service-card-desc {
  font-size: var(--text-sm);
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-card-meta {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--primary);
  transition: gap var(--transition-fast);
}

.service-card:hover .service-link {
  gap: 0.6rem;
  color: var(--primary-dark);
}

/* --- 8. Clinic Equipment & Trust Highlights --- */
.clinic-showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 992px) {
  .clinic-showcase-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
  }
}

.clinic-media-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-subtle);
}

.clinic-media-img {
  width: 100%;
  height: auto;
  aspect-ratio: 2560 / 1707;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.clinic-media-frame:hover .clinic-media-img {
  transform: scale(1.02);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(10, 126, 140, 0.2);
}

.feature-content h4 {
  font-size: var(--text-base);
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 0.25rem;
}

.feature-content p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- 9. Verified Google Reviews & Testimonials --- */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.review-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(10, 126, 140, 0.3);
}

.review-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.review-author-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  font-size: var(--text-base);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(10, 126, 140, 0.2);
}

.review-author-name {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--secondary);
}

.review-source-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  color: #1A73E8;
  font-weight: 600;
}

.stars-rating {
  display: flex;
  gap: 3px;
  color: var(--gold);
  margin-bottom: 0.85rem;
}

.review-text {
  font-size: var(--text-sm);
  color: var(--text-body);
  line-height: 1.75;
  flex-grow: 1;
}

.review-highlight {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border-subtle);
  font-size: var(--text-xs);
  color: var(--primary);
  font-weight: 700;
}

/* --- 10. FAQ Accordion --- */
.faq-wrap {
  max-width: 820px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(10, 126, 140, 0.35);
}

.faq-item[open] {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.5rem;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--secondary);
  cursor: pointer;
  list-style: none;
  user-select: none;
  gap: 1rem;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--bg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-normal), background-color var(--transition-fast);
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
  background: var(--primary-light);
  color: var(--primary);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: var(--text-sm);
  color: var(--text-body);
  line-height: 1.8;
  border-top: 1px solid var(--bg-muted);
  padding-top: 1rem;
}

/* --- 11. In-Depth Service Page Styles --- */
.service-hero {
  background: linear-gradient(135deg, #0F252C 0%, #173842 100%);
  color: #FFFFFF;
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  text-align: center;
}

.service-hero-title {
  font-size: var(--text-3xl);
  font-weight: 900;
  margin-bottom: 0.75rem;
}

.service-hero-lead {
  font-size: var(--text-base);
  color: #CBD5E1;
  max-width: 720px;
  margin-inline: auto;
}

.service-detail-section {
  padding-block: 4rem;
  border-bottom: 1px solid var(--border-subtle);
}

.service-detail-section:last-child {
  border-bottom: none;
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 992px) {
  .service-detail-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3.5rem;
  }
}

.pro-con-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-block: 1.5rem;
}

@media (min-width: 640px) {
  .pro-con-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.pro-box {
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.pro-box-title {
  color: #166534;
  font-weight: 800;
  font-size: var(--text-sm);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.con-box {
  background: #FFF7ED;
  border: 1px solid #FED7AA;
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.con-box-title {
  color: #9A3412;
  font-weight: 800;
  font-size: var(--text-sm);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.bullet-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: var(--text-body);
}

.bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.6;
}

.clinic-guarantee-card {
  background: linear-gradient(135deg, var(--primary-light) 0%, #D4F1F4 100%);
  border: 1px solid rgba(10, 126, 140, 0.25);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-top: 1.5rem;
}

.guarantee-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Quick Navigator Bar for Services */
.service-nav-bar {
  position: sticky;
  top: var(--header-height);
  z-index: 900;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  padding-block: 0.75rem;
  overflow-x: auto;
  white-space: nowrap;
}

.service-nav-pills {
  display: flex;
  gap: 0.5rem;
  min-width: max-content;
}

.service-pill {
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  background: var(--bg-muted);
  color: var(--text-body);
  font-size: var(--text-xs);
  font-weight: 700;
  transition: all var(--transition-fast);
}

.service-pill:hover, .service-pill.active {
  background: var(--primary);
  color: #FFFFFF;
}

/* --- 12. Gallery & Smile Makeover Portfolio --- */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.gallery-filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-body);
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.gallery-filter-btn:hover, .gallery-filter-btn.active {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 4px 10px rgba(10, 126, 140, 0.25);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(10, 126, 140, 0.35);
}

.case-visual-wrap {
  position: relative;
  background-color: var(--secondary-light);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.case-visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.case-card:hover .case-visual-img {
  transform: scale(1.05);
}

.case-category-badge {
  position: absolute;
  top: 1rem;
  inset-inline-start: 1rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
}

.case-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.case-title {
  font-size: var(--text-base);
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.case-desc {
  font-size: var(--text-sm);
  color: var(--text-body);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.case-meta-row {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--primary);
  font-weight: 700;
}

/* --- 13. Contact & Location Page --- */
.contact-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 992px) {
  .contact-layout-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

.contact-card-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--shadow-md);
}

.form-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.form-subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--secondary);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.8rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-size: var(--text-sm);
  min-height: 48px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  outline: none;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.info-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.info-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-card-title {
  font-size: var(--text-base);
  font-weight: 800;
  color: var(--secondary);
}

.coordinator-card {
  background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
  border: 1px solid #86EFAC;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-muted);
  border: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--secondary);
  transition: all var(--transition-fast);
  min-height: 44px;
}

.social-btn:hover {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  transform: translateY(-2px);
}

.map-embed-frame {
  width: 100%;
  height: 380px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* --- 14. Global Multi-Column Footer --- */
.site-footer {
  background-color: var(--secondary);
  color: #CBD5E1;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: auto;
}

.footer-top {
  padding-block: clamp(3rem, 5vw, 4.5rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
  }
}

.footer-brand-box {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo-img {
  height: 52px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.footer-desc {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: #94A3B8;
}

.footer-slogan {
  color: var(--accent);
  font-weight: 700;
  font-size: var(--text-sm);
}

.footer-heading {
  font-size: var(--text-base);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  inset-inline-start: 0;
  width: 32px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  font-size: var(--text-sm);
  color: #94A3B8;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-link:hover {
  color: #FFFFFF;
  transform: translateX(-3px);
}

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  font-size: var(--text-sm);
  color: #94A3B8;
  line-height: 1.6;
  margin-bottom: 0.85rem;
}

.footer-contact-item svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: 1.25rem;
  font-size: var(--text-xs);
  color: #64748B;
}

.footer-bottom-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom-container {
    flex-direction: row;
    text-align: start;
  }
}

/* --- 15. Fixed Floating Controls (Coordinated to avoid collision) --- */
/* Back To Top Button */
.back-to-top {
  position: fixed;
  inset-block-end: 1.5rem;
  inset-inline-end: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--secondary);
  color: #FFFFFF;
  border: 2px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  z-index: 850;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal), background-color var(--transition-fast);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

/* Floating WhatsApp Widget (Clean bottom-start placement) */
.floating-whatsapp {
  position: fixed;
  inset-block-end: 1.5rem;
  inset-inline-start: 1.5rem;
  z-index: 850;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background-color: #25D366;
  color: #FFFFFF;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  min-height: 48px;
  transition: all var(--transition-fast);
}

.floating-whatsapp:hover {
  background-color: #1EBE5D;
  color: #FFFFFF;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 22px rgba(37, 211, 102, 0.5);
}

.whatsapp-pulse {
  position: relative;
  width: 24px;
  height: 24px;
}

@media (max-width: 480px) {
  .floating-whatsapp .whatsapp-label {
    display: none;
  }
  .floating-whatsapp {
    width: 48px;
    height: 48px;
    padding: 0;
    justify-content: center;
  }
}

/* Form Feedback & Alerts */
.form-alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-top: 1rem;
  display: none;
}

.form-alert.is-success {
  display: block;
  background: #F0FDF4;
  border: 1px solid #86EFAC;
  color: #166534;
}

.form-alert.is-error {
  display: block;
  background: #FEF2F2;
  border: 1px solid #FCA5A5;
  color: #991B1B;
}

/* --- 16. Print Styles --- */
@media print {
  .site-header, .site-footer, .back-to-top, .floating-whatsapp, .mobile-toggle, .mobile-drawer {
    display: none !important;
  }
  body {
    background: #FFFFFF;
    color: #000000;
  }
}