/* ==========================================================================
   Sri Usha Multi Speciality Hospital - Stylesheet
   Design: Premium, Luxury, Corporate Healthcare UI/UX
   ========================================================================== */

/* --- Fonts loaded via HTML link preconnect tags --- */

/* --- Root Variables & Theme Tokens --- */
:root {
  /* Colors */
  --primary-dark: #0f172a;       /* Slate 900 - Deep corporate luxury */
  --primary-brand: #1e3a8a;      /* Blue 900 - Trust, depth */
  --primary-light: #3b82f6;      /* Blue 500 - Secondary branding */
  --secondary: #0d9488;          /* Teal 600 - Health, vitality */
  --secondary-hover: #0f766e;    /* Teal 700 */
  --secondary-light: #ccfbf1;    /* Teal 100 - Highlights */
  --emergency: #dc2626;          /* Red 600 - Emergency */
  --emergency-hover: #b91c1c;    /* Red 700 */
  
  /* Neutrals */
  --bg-pure: #ffffff;
  --bg-soft: #f8fafc;            /* Slate 50 - Medical clean gray */
  --bg-card: rgba(255, 255, 255, 0.85);
  --border-color: #e2e8f0;       /* Slate 200 */
  --border-light: rgba(255, 255, 255, 0.2);
  --text-dark: #0f172a;          /* Headings */
  --text-muted: #475569;         /* Slate 600 - Readability body */
  --text-light: #ffffff;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 30px -5px rgba(15, 23, 42, 0.12), 0 8px 15px -5px rgba(15, 23, 42, 0.06);
  --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.06);
  
  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Fonts */
  --font-headings: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 100px;
}

/* --- Base Resets & Global Styles --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-soft);
  color: var(--text-muted);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.25;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

ul {
  list-style: none;
}

/* --- Skip Navigation for Accessibility --- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--primary-brand);
  color: var(--text-light);
  padding: 10px 20px;
  z-index: 9999;
  transition: var(--transition-smooth);
}

.skip-link:focus {
  top: 0;
}

/* --- Layout Containers --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

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

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px auto;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-brand), var(--secondary));
  border-radius: 2px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* --- Preloader / Loading Screen --- */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--primary-dark);
  z-index: 99999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader-logo-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.preloader-logo {
  height: 180px;
  width: auto;
  object-fit: contain;
  animation: pulse-logo 2s infinite ease-in-out;
  background-color: white;
  padding: 10px;
  border-radius: 12px;
}

.preloader-spinner {
  width: 45px;
  height: 45px;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--secondary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse-logo {
  0%, 100% {
    transform: scale(0.96);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.04);
    opacity: 1;
  }
}

/* --- Scroll Progress Bar --- */
.scroll-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  z-index: 10000;
  background-color: transparent;
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--secondary), var(--primary-light));
  transition: width 0.1s ease-out;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
  gap: 8px;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--secondary);
  color: var(--text-light);
}

.btn-primary:hover {
  background-color: var(--secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(13, 148, 136, 0.4);
}

.btn-secondary {
  background-color: var(--primary-brand);
  color: var(--text-light);
}

.btn-secondary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(30, 58, 138, 0.4);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-brand);
  color: var(--primary-brand);
}

.btn-outline:hover {
  background-color: var(--primary-brand);
  color: var(--text-light);
  transform: translateY(-2px);
}

.btn-emergency {
  background-color: var(--emergency);
  color: var(--text-light);
  animation: pulse-red 2s infinite;
}

.btn-emergency:hover {
  background-color: var(--emergency-hover);
  box-shadow: 0 4px 15px rgba(220, 38, 38, 0.4);
}

@keyframes pulse-red {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.7);
  }
  70% {
    transform: scale(1.03);
    box-shadow: 0 0 0 10px rgba(220, 38, 38, 0);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(220, 38, 38, 0);
  }
}

/* --- Sticky transparent Navbar --- */
.header-top {
  background-color: var(--primary-dark);
  color: var(--text-light);
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
}

.header-top-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-top-info {
  display: flex;
  gap: 20px;
}

.header-top-info a {
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-top-socials {
  display: flex;
  gap: 14px;
  align-items: center;
}

.header-top-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.header-top-socials a:hover {
  transform: translateY(-2px);
}

.header-top-socials a.whatsapp-link:hover {
  color: #25d366;
}

.header-top-socials a.instagram-link:hover i {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  height: 80px;
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.98);
}

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

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  height: 88px;
  width: auto;
  object-fit: contain;
  transition: var(--transition-smooth);
}

.navbar.scrolled .logo-img {
  height: 68px;
}

.footer-logo-img {
  height: 140px;
  width: auto;
  object-fit: contain;
  background-color: white;
  padding: 6px;
  border-radius: 8px;
  margin-bottom: 20px;
}


.nav-menu {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-link {
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-dark);
  position: relative;
  padding: 8px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--secondary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary);
  transition: var(--transition-smooth);
}

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

/* Hamburger menu button */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--primary-brand);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* --- Glassmorphism Cards --- */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  box-shadow: var(--shadow-glass);
  padding: 30px;
  transition: var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(13, 148, 136, 0.2);
}

/* --- Hero / Full Screen Banner --- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height) - 37px);
  display: flex;
  align-items: center;
  background-color: var(--primary-dark);
  background-size: cover;
  background-position: center;
  color: var(--text-light);
  z-index: 1;
}

/* SVG overlay pattern in background */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 58, 138, 0.8) 100%);
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  max-width: 700px;
}

.hero-tagline {
  display: inline-block;
  background-color: rgba(13, 148, 136, 0.2);
  color: var(--secondary-light);
  padding: 8px 16px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 20px;
  letter-spacing: 1px;
  border: 1px solid rgba(13, 148, 136, 0.3);
}

.hero-content h1 {
  font-size: 3.5rem;
  color: var(--text-light);
  line-height: 1.15;
  margin-bottom: 24px;
  font-weight: 800;
}

.hero-content h1 span {
  color: var(--secondary);
}

.hero-content p {
  font-size: 1.15rem;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.85);
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-right {
  display: flex;
  justify-content: center;
  position: relative;
}

/* Abstract design element behind hospital visualization */
.hero-visual-wrapper {
  position: relative;
  width: 100%;
  max-width: 450px;
}

.hero-visual-card {
  position: relative;
  z-index: 2;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.hero-floating-badge {
  position: absolute;
  bottom: 20px;
  left: -20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 16px 20px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-dark);
}

.badge-icon {
  background-color: var(--secondary-light);
  color: var(--secondary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.badge-text span {
  display: block;
  font-weight: 700;
  font-size: 1.1rem;
}

.badge-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Hospital Statistics Section --- */
.stats {
  padding: 40px 0;
  background-color: var(--primary-brand);
  color: var(--text-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  text-align: center;
}

.stats-item h3 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--secondary-light);
  margin-bottom: 6px;
}

.stats-item p {
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.9);
}

/* --- Why Choose Us Section --- */
.why-choose-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.doctor-profile-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  margin-bottom: 80px;
  align-items: flex-start;
}

.why-choose-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.why-item {
  display: flex;
  gap: 16px;
}

.why-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background-color: var(--secondary-light);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.why-info h3 {
  font-size: 1.2rem;
  margin-bottom: 6px;
}

/* --- Card Grids: Services & Departments --- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background-color: var(--bg-soft);
  color: var(--primary-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
  transition: var(--transition-smooth);
}

.glass-card:hover .card-icon {
  background-color: var(--secondary);
  color: var(--text-light);
  transform: scale(1.1) rotate(5deg);
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--secondary);
  font-weight: 600;
  margin-top: 16px;
}

.card-link:hover {
  gap: 10px;
}

/* --- Doctor Cards & Page --- */
.doctors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}

.doctor-card {
  background-color: var(--bg-pure);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.doctor-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.doctor-image {
  height: 300px;
  background-color: var(--secondary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.doctor-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

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

.doctor-image img:hover {
  transform: scale(1.08) !important;
  filter: brightness(1.03);
}

.doctor-info {
  padding: 30px;
}

.doctor-title {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.doctor-specialty {
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.doctor-degrees {
  background-color: var(--bg-soft);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 16px;
}

.doctor-meta {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  font-size: 0.9rem;
}

.doctor-meta-item {
  display: flex;
  gap: 8px;
}

.doctor-meta-item i {
  color: var(--secondary);
}

.doctor-cta {
  margin-top: 24px;
}

/* --- Testimonial Slider --- */
.testimonial-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  min-height: 250px;
}

.testimonial-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  text-align: center;
  padding: 20px;
}

.testimonial-slide.active {
  position: relative;
  opacity: 1;
  visibility: visible;
}

.testimonial-quote {
  font-size: 1.4rem;
  font-style: italic;
  font-family: var(--font-headings);
  color: var(--text-dark);
  line-height: 1.6;
  margin-bottom: 24px;
}

.testimonial-quote::before {
  content: '"';
  font-size: 3rem;
  line-height: 0;
  vertical-align: bottom;
  color: var(--secondary);
}

.testimonial-patient {
  font-weight: 700;
  font-size: 1.1rem;
}

.testimonial-patient span {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 4px;
}

.slider-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--border-color);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.slider-dot.active {
  background-color: var(--secondary);
  width: 24px;
  border-radius: 6px;
}

/* --- Gallery Masonry & Lightbox --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  grid-gap: 20px;
  grid-auto-rows: 240px;
}

.gallery-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.gallery-item.wide {
  grid-column: span 2;
}

.gallery-item.tall {
  grid-row: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0) 0%, rgba(15, 23, 42, 0.8) 100%);
  opacity: 0;
  display: flex;
  align-items: flex-end;
  padding: 24px;
  transition: var(--transition-smooth);
}

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

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

.gallery-info h4 {
  color: var(--text-light);
  font-size: 1.1rem;
}

.gallery-info p {
  color: var(--secondary-light);
  font-size: 0.85rem;
}

/* Custom Lightbox Modal */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.95);
  z-index: 11000;
  display: none;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  max-width: 90%;
  max-height: 80%;
  position: relative;
}

.lightbox-image {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
}

.lightbox-caption {
  color: var(--text-light);
  text-align: center;
  margin-top: 16px;
  font-size: 1.1rem;
  font-family: var(--font-headings);
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 2rem;
  cursor: pointer;
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--bg-pure);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-dark);
}

.faq-icon {
  font-size: 0.9rem;
  transition: transform 0.3s ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  background-color: var(--bg-soft);
}

.faq-answer-inner {
  padding: 24px;
  border-top: 1px solid var(--border-color);
  line-height: 1.6;
}

.faq-item.active {
  border-color: var(--secondary);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--secondary);
}

.faq-item.active .faq-answer {
  max-height: 300px; /* arbitrary height to slide down */
}

/* --- Dynamic Banner (Emergency) --- */
.emergency-banner {
  background: linear-gradient(135deg, var(--emergency) 0%, #991b1b 100%);
  color: var(--text-light);
  padding: 60px 0;
  text-align: center;
}

.emergency-banner h2 {
  color: var(--text-light);
  font-size: 2.25rem;
  margin-bottom: 12px;
}

.emergency-banner p {
  font-size: 1.2rem;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.9);
}

.emergency-phones {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.emergency-phone-card {
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: 16px 30px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
}

.emergency-phone-card:hover {
  background-color: rgba(255, 255, 255, 0.25);
}

/* --- Forms & Booking Layout --- */
.booking-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: flex-start;
}

.form-card {
  background-color: var(--bg-pure);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-group-full {
  grid-column: span 2;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
}

.form-input {
  padding: 12px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  font-family: var(--font-body);
  transition: var(--transition-smooth);
  background-color: var(--bg-soft);
}

.form-input:focus {
  border-color: var(--secondary);
  background-color: var(--bg-pure);
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.1);
}

.form-input::placeholder {
  color: #a0aec0;
}

.form-help {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.booking-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* --- Success Modals --- */
.success-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.7);
  z-index: 12000;
  display: none;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(8px);
}

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

.success-card {
  background-color: var(--bg-pure);
  border-radius: 20px;
  padding: 40px;
  max-width: 500px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.success-modal.active .success-card {
  transform: scale(1);
}

.success-icon {
  width: 80px;
  height: 80px;
  background-color: var(--secondary-light);
  color: var(--secondary);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin-bottom: 24px;
}

.success-card h3 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.success-card p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.success-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* --- Contact Details & Map --- */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.contact-detail-card {
  display: flex;
  gap: 16px;
  background-color: var(--bg-pure);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.contact-detail-icon {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  background-color: var(--secondary-light);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-detail-info h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.map-wrapper {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  height: 100%;
  min-height: 400px;
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* --- Footer --- */
footer {
  background-color: var(--primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 30px 0;
  border-top: 1px solid var(--border-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-column h3 {
  color: var(--text-light);
  font-size: 1.25rem;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 8px;
}

.footer-column h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 3px;
  background-color: var(--secondary);
  border-radius: 2px;
}

.footer-about p {
  margin-top: 16px;
  line-height: 1.7;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--secondary);
  transform: translateX(4px);
}

.footer-contact li {
  margin-bottom: 16px;
  display: flex;
  gap: 12px;
}

.footer-contact i {
  color: var(--secondary);
  margin-top: 4px;
}

.footer-contact a {
  transition: var(--transition-smooth);
}

.footer-contact a:hover {
  color: var(--secondary);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

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

/* --- Scroll to Top Button --- */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 24px;
  background-color: var(--primary-brand);
  color: var(--text-light);
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  box-shadow: var(--shadow-md);
  border: none;
  z-index: 999;
  transition: var(--transition-smooth);
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

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

/* --- Sticky Bottom Bar for Mobile Devices --- */
.mobile-sticky-contacts {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--bg-pure);
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.1);
  display: none;
  grid-template-columns: 1fr 1fr;
  z-index: 1001;
  border-top: 1.5px solid var(--border-color);
}

.mobile-sticky-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  font-weight: 700;
  font-size: 0.95rem;
  gap: 8px;
}

.mobile-sticky-btn.call-btn {
  background-color: var(--primary-brand);
  color: var(--text-light);
}

.mobile-sticky-btn.whatsapp-btn {
  background-color: #25d366; /* WhatsApp color */
  color: var(--text-light);
}

.mobile-sticky-btn:hover {
  opacity: 0.95;
}

/* --- Animations & Utilities --- */
.scroll-animate {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* --- Responsive Adjustments --- */
@media (max-width: 1024px) {
  .hero-content h1 {
    font-size: 3rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .why-choose-grid,
  .doctor-profile-grid,
  .booking-container,
  .contact-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .logo-img {
    height: 55px;
  }
  
  .navbar.scrolled .logo-img {
    height: 50px;
  }
  
  .header-top {
    display: none; /* Hide top header bar to save mobile space */
  }
  
  .hamburger {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-pure);
    flex-direction: column;
    padding: 40px 30px;
    align-items: flex-start;
    gap: 20px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-link {
    font-size: 1.1rem;
    width: 100%;
    border-bottom: 1.5px solid var(--bg-soft);
    padding-bottom: 12px;
  }
  
  .nav-link::after {
    display: none;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-right {
    display: none; /* Simplify mobile hero visualization, load speeds */
  }
  
  .hero {
    padding: 60px 0;
  }
  
  .hero-content h1 {
    font-size: 2.25rem;
  }
  
  .doctors-grid {
    grid-template-columns: 1fr;
    max-width: 450px;
  }
  
  .doctor-image {
    height: 250px;
  }
  
  .mobile-sticky-contacts {
    display: grid; /* Display floating bottom dial bar */
  }
  
  /* Ensure padding-bottom for body so footer is not hidden by sticky bar */
  body {
    padding-bottom: 56px;
  }
}

@media (max-width: 640px) {
  .section-header h2 {
    font-size: 1.8rem;
  }
  
  .grid-3, 
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-item.wide, 
  .gallery-item.tall {
    grid-column: span 1;
    grid-row: span 1;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .form-group-full {
    grid-column: span 1;
  }
  
  .form-card {
    padding: 24px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  
  .emergency-phone-card {
    font-size: 1.25rem;
    padding: 12px 20px;
  }
}

/* --- Gallery Coming Soon Card --- */
.coming-soon-card {
  max-width: 600px;
  margin: 40px auto;
  text-align: center;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 50px 40px;
  box-shadow: var(--shadow-glass);
}

.coming-soon-icon {
  font-size: 3.5rem;
  color: var(--secondary);
  margin-bottom: 24px;
}

.coming-soon-card h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-brand);
  margin-bottom: 12px;
}

.coming-soon-card p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 30px;
}

/* --- Gallery Clickable Hover Zoom Icon --- */
.gallery-zoom-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.7);
  font-size: 1.75rem;
  color: var(--secondary);
  background-color: rgba(255, 255, 255, 0.95);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  z-index: 5;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  pointer-events: none;
}

.gallery-item:hover .gallery-zoom-icon {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}