/* ============================================
   Ahmed Shihab Dental Care — Design System
   Premium, Mobile-First, RTL Arabic
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Colors */
  --color-bg: #BDA7CB;
  --color-bg-alt: rgba(255, 255, 255, 0.4);
  --color-surface: #FFFFFF;
  --color-text: #1A1A2E;
  --color-text-secondary: #4A5568;
  --color-text-muted: #718096;
  --color-accent: #2E86AB;
  --color-accent-hover: #1B6B8A;
  --color-accent-light: rgba(46, 134, 171, 0.08);
  --color-gold: #C8A96E;
  --color-gold-light: rgba(200, 169, 110, 0.12);
  --color-border: #E2E8F0;
  --color-shadow: rgba(26, 26, 46, 0.06);
  --color-shadow-lg: rgba(26, 26, 46, 0.1);
  --color-overlay: rgba(26, 26, 46, 0.6);
  --color-white: #FFFFFF;

  /* Typography */
  --font-family: 'Cairo', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;
  --font-size-5xl: 3.5rem;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --line-height: 1.7;
  --line-height-tight: 1.3;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Shadows */
  --shadow-sm: 0 1px 3px var(--color-shadow);
  --shadow-md: 0 4px 12px var(--color-shadow);
  --shadow-lg: 0 8px 30px var(--color-shadow-lg);
  --shadow-xl: 0 20px 60px var(--color-shadow-lg);
  --shadow-glow: 0 0 40px rgba(46, 134, 171, 0.15);

  /* Layout */
  --container-max: 1200px;
  --nav-height: 70px;
}

/* ── Base Reset ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
  direction: rtl;
  text-align: right;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul,
ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

/* ── Utility Classes ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

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

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--space-md);
  position: relative;
}

.section-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.accent-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  margin: var(--space-md) auto var(--space-xl);
  border-radius: 2px;
}

/* ── Animations ── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Navigation ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(189, 167, 203, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  transition: all var(--transition-base);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  height: 90px;
  width: auto;
  transition: transform var(--transition-fast);
  filter: invert(1);
  mix-blend-mode: multiply;
}

.nav-logo:hover {
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  right: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
  border-radius: 1px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--color-accent) !important;
  color: var(--color-white) !important;
  padding: var(--space-sm) var(--space-lg) !important;
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-semibold) !important;
  transition: all var(--transition-fast) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--color-accent-hover) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Hero Section ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%);
  padding-top: var(--nav-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(circle, rgba(46, 134, 171, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -20%;
  width: 60%;
  height: 120%;
  background: radial-gradient(circle, rgba(200, 169, 110, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) var(--space-lg);
}

.hero-content {
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-sm);
  color: var(--color-gold);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s ease;
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-white);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-accent), var(--color-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-md);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-2xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  color: var(--color-white);
  padding: var(--space-md) var(--space-2xl);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(46, 134, 171, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(46, 134, 171, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  padding: var(--space-md) var(--space-2xl);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.hero-image {
  display: flex;
  justify-content: center;
  animation: fadeIn 1s ease 0.5s both;
}

.hero-doctor-img {
  width: 280px;
  height: 280px;
  border-radius: var(--radius-full);
  object-fit: cover;
  object-position: top;
  border: 4px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-3xl);
  animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-item {
  text-align: center;
  padding: var(--space-lg);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gold);
  display: block;
}

.stat-label {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.6);
  margin-top: var(--space-xs);
}

/* ── About Section ── */
.about {
  padding: var(--space-5xl) 0;
}

.about .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-image-wrapper {
  display: flex;
  justify-content: center;
}

.about-image {
  position: relative;
  width: 280px;
  height: 350px;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.about-image::before {
  content: '';
  position: absolute;
  top: -10px;
  right: -10px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.3;
}

.about-image::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: -15px;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-accent));
  border-radius: var(--radius-md);
  z-index: -1;
  opacity: 0.2;
}

.about-content {
  text-align: center;
}

.about-content .section-title {
  text-align: center;
}

.about-text {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.9;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.about-feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
}

.about-feature .icon {
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

/* ── Cases / Before & After Gallery ── */
.cases {
  padding: var(--space-5xl) 0;
  background: var(--color-bg-alt);
  overflow: hidden;
}

.cases-slider-wrapper {
  position: relative;
  margin-top: var(--space-2xl);
}

.cases-slider {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.case-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.case-image-container {
  position: relative;
  width: 100%;
  min-height: 300px;
  background: #f5f5f5;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-image-container img {
  width: 100%;
  height: auto;
  max-height: 600px;
  object-fit: contain;
}

.case-label {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  color: var(--color-white);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.case-info {
  padding: var(--space-lg);
}

.case-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.case-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ── Comparison Toggle ── */
.case-image-container.comparison-active {
  position: relative;
}

.case-image-container.comparison-active img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease;
  z-index: 1;
}

.case-image-container.comparison-active img.img-hidden {
  opacity: 0;
  z-index: 0;
}

.comp-btn {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.25);
  color: var(--color-white);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  z-index: 10;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.comp-btn:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: translateX(-50%) scale(1.05);
}

.comp-label-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: bold;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 5;
  pointer-events: none;
}

.case-image-container.show-before .badge-before {
  opacity: 1;
}

/* Slider Navigation - Hidden */
.slider-nav {
  display: none;
}

.slider-dots {
  display: none;
}

.slider-dot {
  display: none;
}

.slider-btn {
  display: none;
}

/* ── Services Section ── */
.services {
  padding: var(--space-5xl) 0;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: right;
}

.service-card:hover::before {
  transform: scaleX(1);
}

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

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  transform: scale(1.1);
}

.service-card:hover .service-icon span {
  filter: brightness(10);
}

.service-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.service-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ── Why Choose Us ── */
.why-us {
  padding: var(--space-5xl) 0;
  background: linear-gradient(135deg, #1A1A2E 0%, #16213E 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.why-us::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(46, 134, 171, 0.1) 0%, transparent 50%);
}

.why-us .section-title {
  color: var(--color-white);
}

.why-us .section-subtitle {
  color: rgba(255, 255, 255, 0.6);
}

.why-us .accent-line {
  background: linear-gradient(90deg, var(--color-gold), var(--color-accent));
}

.why-us-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  position: relative;
  z-index: 1;
}

.why-us-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.why-us-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
}

.why-us-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-lg);
  background: linear-gradient(135deg, var(--color-accent), var(--color-gold));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.why-us-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.why-us-desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
}

/* ── Contact Section ── */
.contact {
  padding: var(--space-5xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-card {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.contact-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.contact-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.contact-value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  direction: ltr;
  text-align: right;
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 300px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* WhatsApp CTA */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 28px;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all var(--transition-base);
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

/* ── Footer ── */
.footer {
  background: #1A1A2E;
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.footer-logo {
  height: 44px;
  mix-blend-mode: screen;
  opacity: 0.9;
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

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

.footer-divider {
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.footer-copyright {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
}

/* ── Responsive Breakpoints ── */

/* Tablet */
@media (min-width: 768px) {
  :root {
    --nav-height: 80px;
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .hero .container {
    grid-template-columns: 1fr 1fr;
    text-align: right;
  }

  .hero-content {
    text-align: right;
  }

  .hero-description {
    margin-right: 0;
  }

  .hero-buttons {
    justify-content: flex-start;
  }

  .hero-doctor-img {
    width: 320px;
    height: 320px;
  }

  .about .container {
    grid-template-columns: 1fr 1.2fr;
  }

  .about-content {
    text-align: right;
  }

  .about-content .section-title {
    text-align: right;
  }

  .cases-slider {
    grid-template-columns: repeat(2, 1fr);
    max-width: 100%;
  }

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

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

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

  .section-title {
    font-size: var(--font-size-2xl);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .hero-title {
    font-size: var(--font-size-5xl);
  }

  .hero-doctor-img {
    width: 380px;
    height: 380px;
  }

  .about-image {
    width: 350px;
    height: 440px;
  }

  .cases-slider {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1200px;
  }

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

  .why-us-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }
}

/* Mobile specific */
@media (max-width: 767px) {
  :root {
    --nav-height: 60px;
    --space-3xl: 2.5rem;
    /* Reduce section padding */
    --space-5xl: 4rem;
    --font-size-3xl: 2rem;
    /* Reduce hero title size */
    --font-size-2xl: 1.5rem;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-surface);
    flex-direction: column;
    padding: calc(var(--nav-height) + var(--space-xl)) var(--space-xl) var(--space-2xl);
    gap: var(--space-md);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.15);
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
    overflow-y: auto;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .nav-overlay.open {
    display: block;
    opacity: 1;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding-top: calc(var(--nav-height) + var(--space-xl));
    text-align: center;
  }

  .hero .container {
    padding: var(--space-xl) var(--space-lg);
    gap: var(--space-xl);
  }

  .hero-content {
    padding: 0 var(--space-xs);
  }

  .hero-title {
    font-size: 2.25rem;
    line-height: 1.2;
    margin-bottom: var(--space-md);
  }

  .hero-description {
    font-size: 1rem;
    margin-bottom: var(--space-lg);
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    gap: var(--space-sm);
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: var(--space-md);
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xs);
    margin-top: var(--space-xl);
  }

  .stat-item {
    padding: var(--space-md) var(--space-xs);
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.7rem;
    white-space: nowrap;
  }

  .hero-image {
    order: -1;
    /* Image on top for mobile */
    margin-bottom: var(--space-md);
  }

  .hero-doctor-img {
    width: 240px;
    height: 240px;
    border-width: 3px;
  }

  /* Cases Gallery - Mobile */
  .cases-slider {
    grid-template-columns: 1fr;
    padding: 0 var(--space-md);
    gap: var(--space-xl);
  }


  /* Services & Why Us Stacking */
  .services-grid,
  .why-us-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .service-card,
  .why-us-card {
    padding: var(--space-xl) var(--space-lg);
  }

  /* Footer */
  .footer-links {
    flex-direction: column;
    gap: var(--space-md);
  }
}

/* Logo Inversion for Light BG */
.nav-logo-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  white-space: nowrap;
}

/* ── Testimonials Section ── */
.testimonials {
  background: var(--color-bg-alt);
  padding: var(--space-5xl) 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}
@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.testimonial-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}
.testimonial-name {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-md);
  color: var(--color-text);
}
.testimonial-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}
.testimonial-stars {
  color: #FFD700;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
}
.testimonial-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.add-review-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-surface);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.add-review-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--space-xl);
}

.review-form .form-group {
  margin-bottom: var(--space-md);
}

.review-form .form-group.row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.form-input {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--font-size-sm);
  background: var(--color-bg-alt);
  color: var(--color-text);
  transition: border-color var(--transition-base);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.stars-select {
  display: flex;
  gap: var(--space-xs);
  cursor: pointer;
  direction: ltr;
}
.stars-select span {
  font-size: var(--font-size-xl);
  opacity: 0.3;
  transition: opacity 0.2s;
}
.stars-select span.active {
  opacity: 1;
}