/* ==========================================================================
   PREMIUM DENTAL CLINIC WEBSITE - GLOBAL STYLESHEET
   ========================================================================== */

/* 1. Imports & Typography */
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* 2. Custom Properties (Branding & Design System) */
:root {
  /* Colors */
  --color-primary: hsl(224, 76%, 18%);      /* Deep Slate Blue (logo match) */
  --color-secondary: hsl(189, 94%, 43%);    /* Turquoise (logo match) */
  --color-secondary-light: hsl(189, 94%, 96%);
  --color-accent: hsl(0, 100%, 52%);        /* Logo Red Accent */
  --color-accent-hover: hsl(0, 100%, 42%);
  --color-text: hsl(220, 20%, 25%);         /* Charcoal Dark Text */
  --color-text-light: hsl(220, 15%, 50%);   /* Secondary Soft Gray */
  --color-border: hsl(215, 30%, 90%);       /* Light Gray Borders */
  --bg-primary: hsl(210, 25%, 98%);         /* Off-white Background */
  --bg-secondary: hsl(0, 0%, 100%);         /* Pure White */
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.04);
  
  /* Layout & Spacing */
  --max-width: 1280px;
  --header-height: 135px; /* Expanded for 2-row layout */
  --header-shrink-height: 70px;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  /* Shadows */
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 30px 60px rgba(15, 23, 42, 0.08);
  
  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.2s ease;
}

/* 3. Base & Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background-color: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
  padding-top: var(--header-height); /* Prevent content overlap from fixed header */
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: var(--bg-secondary);
  padding: 8px 16px;
  z-index: 2000;
  transition: top 0.2s;
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus {
  top: 0;
}

/* Container */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; position: relative; padding-bottom: 0.75rem; }
h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 50px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}
h2.text-center::after {
  left: 50%;
  transform: translateX(-50%);
}

h3 { font-size: 1.5rem; }
p { margin-bottom: 1.5rem; color: var(--color-text-light); }
a { color: var(--color-secondary); text-decoration: none; transition: var(--transition-fast); }
a:hover { color: var(--color-accent); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: none;
  gap: 8px;
  white-space: nowrap; /* Prevent vertical wrapping */
  transform: translateY(0);
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--bg-secondary);
  box-shadow: 0 6px 20px rgba(212, 163, 89, 0.15);
}
.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--bg-secondary);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(212, 163, 89, 0.25);
}

.btn-secondary {
  background-color: var(--color-primary);
  color: var(--bg-secondary);
}
.btn-secondary:hover {
  background-color: hsl(215, 60%, 15%);
  color: var(--bg-secondary);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--bg-secondary);
  transform: translateY(-2px);
}

.btn-white {
  background-color: var(--bg-secondary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.btn-white:hover {
  background-color: var(--color-primary);
  color: var(--bg-secondary);
  transform: translateY(-2px);
}

/* Accessibility Focus Outline */
*:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

/* 4. Header & Navigation (Premium Fixed & Shrinking) */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.header-top-row {
  width: 100%;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--color-border);
  min-height: 80px;
  box-sizing: border-box;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
}

.nav-wrapper-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  position: relative;
}
.container.nav-wrapper-top {
  width: 95%;
  max-width: 1440px;
}

.header-top-left {
  flex: 1;
  display: flex;
  justify-content: flex-start;
}

.header-top-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

/* Elegant Actions inside Header Top Row */
.header-btn-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  background-color: transparent;
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.header-btn-phone:hover {
  background-color: var(--color-primary);
  color: var(--bg-secondary);
  transform: translateY(-1px);
}

.header-btn-phone svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.header-btn-book {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--bg-secondary);
  border: 1.5px solid var(--color-accent);
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(212, 163, 89, 0.15);
}

.header-btn-book:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(212, 163, 89, 0.25);
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: var(--transition-smooth);
}

.header-bottom-row {
  width: 100%;
  padding: 0.6rem 0;
  background-color: var(--bg-primary); /* Contrasted row background */
  display: flex;
  align-items: center;
  transition: var(--transition-smooth);
}

.nav-wrapper-bottom {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}
.container.nav-wrapper-bottom {
  width: 95%;
  max-width: 1440px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: var(--transition-fast);
  letter-spacing: 0.2px;
}
.nav-menu a:hover {
  color: var(--color-accent);
}
.nav-menu a::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition-fast);
  transform: translateX(-50%);
}
.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.mobile-cta-link {
  display: none;
}

/* Hamburger Menu Icon */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
  z-index: 1010;
}
.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  position: absolute;
  transition: var(--transition-fast);
  border-radius: 2px;
}
.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { bottom: 0; }

/* Sticky Shrinking Header (Class-Based) */
header.scrolled {
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--glass-border);
}

header.scrolled .header-top-row {
  min-height: 58px;
  padding: 0.4rem 0;
  border-bottom-color: transparent;
}

header.scrolled .header-bottom-row {
  padding: 0.35rem 0;
  background-color: transparent;
}

header.scrolled .logo-img {
  height: 40px;
}

header.scrolled .header-btn-phone,
header.scrolled .header-btn-book {
  padding: 0.35rem 1.1rem;
  font-size: 0.8rem;
}

/* 5. Hero Section */
.hero-section {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding: 4rem 0;
  background: radial-gradient(circle at 10% 20%, rgba(240, 245, 255, 0.5) 0%, rgba(255, 255, 255, 1) 90%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}
.hero-content h1 span {
  background: linear-gradient(135deg, var(--color-primary) 30%, var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-content .subtitle {
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  color: var(--color-text-light);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.trust-badges {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}
.badge-item svg {
  width: 20px;
  height: 20px;
  fill: var(--color-accent);
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-image-wrapper::before {
  content: '';
  position: absolute;
  top: 10%;
  left: 10%;
  width: 80%;
  height: 80%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-secondary-light) 0%, rgba(255,255,255,0) 70%);
  z-index: 1;
}
.hero-image {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  border: 8px solid var(--bg-secondary);
}

/* 6. Statistics Section */
.stats-section {
  background-color: var(--color-primary);
  color: var(--bg-secondary);
  padding: 4rem 0;
  position: relative;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-card h3 {
  font-size: 3rem;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
  font-weight: 800;
}
.stat-card p {
  color: hsl(215, 30%, 80%);
  font-weight: 500;
  margin-bottom: 0;
}

/* 7. Services & Cards */
.services-section {
  padding: 6rem 0;
}
.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4rem auto;
}
.section-header p {
  font-size: 1.05rem;
  margin-top: 0.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent);
}

.service-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background-color: var(--color-secondary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-secondary);
  transition: var(--transition-smooth);
}
.service-card:hover .service-icon-box {
  background-color: var(--color-accent);
  color: var(--bg-secondary);
  transform: rotate(5deg) scale(1.05);
}
.service-icon-box svg {
  width: 32px;
  height: 32px;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}
.service-card p {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}
.service-link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s;
}
.service-card:hover .service-link svg {
  transform: translateX(4px);
}

/* 8. Why Choose Us Section */
.why-section {
  padding: 6rem 0;
  background-color: var(--bg-secondary);
}
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.why-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.feature-item {
  display: flex;
  gap: 1.25rem;
}
.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-secondary-light);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.feature-icon svg { width: 22px; height: 22px; }
.feature-text h4 { margin-bottom: 0.25rem; font-size: 1.1rem; }

.why-image-wrapper {
  position: relative;
}
.why-image {
  width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

/* 9. Testimonials & Google Reviews */
.testimonials-section {
  padding: 6rem 0;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}
.review-card {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: var(--transition-smooth);
}
.review-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary-light);
}
.review-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 1rem;
}
.review-stars svg {
  width: 18px;
  height: 18px;
  fill: var(--color-accent);
}
.review-text {
  font-style: italic;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-secondary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-secondary);
  font-size: 1.1rem;
}
.author-info h4 {
  font-size: 1rem;
  margin-bottom: 0.15rem;
}
.author-info p {
  font-size: 0.8rem;
  margin-bottom: 0;
}
.trust-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: #34a853; /* Google Green */
  font-weight: 600;
}

/* Video Testimonial Wrapper */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}
.video-card {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 16/9;
  background-color: #000;
}
.video-placeholder-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
}
.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  background-color: var(--bg-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  border: none;
  transition: var(--transition-smooth);
}
.video-play-btn:hover {
  transform: translate(-50%, -50%) scale(1.1);
  background-color: var(--color-accent);
  color: var(--bg-secondary);
}
.video-play-btn svg {
  width: 24px;
  height: 24px;
  margin-left: 4px;
}

/* 10. Masonry Gallery */
.gallery-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  background-color: var(--bg-secondary);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: var(--transition-fast);
}
.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-primary);
  color: var(--bg-secondary);
  border-color: var(--color-primary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  grid-auto-rows: 240px;
  gap: 1.5rem;
}
.gallery-item {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
}
.gallery-item.tall {
  grid-row: span 2;
}
.gallery-item.wide {
  grid-column: span 2;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}
.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(0deg, rgba(15,23,42,0.8) 0%, rgba(15,23,42,0.1) 75%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: 2;
}
.gallery-item:hover .gallery-overlay {
  opacity: 1;
}
.gallery-item:hover img {
  transform: scale(1.08);
}
.gallery-overlay h4 {
  color: var(--bg-secondary);
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}
.gallery-overlay p {
  color: var(--color-accent);
  font-weight: 500;
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* Lightbox Dialog */
.lightbox-dialog {
  border: none;
  background: transparent;
  padding: 0;
  max-width: 90vw;
  max-height: 90vh;
  margin: auto;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.lightbox-dialog::backdrop {
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(8px);
}
.lightbox-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
}
.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  background: black;
}
.lightbox-caption {
  background: var(--bg-secondary);
  padding: 1.25rem;
  text-align: center;
}
.lightbox-caption h3 {
  margin-bottom: 0.25rem;
}

/* 11. FAQ & Disclosures */
.faq-section {
  padding: 6rem 0;
}
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}
.faq-search-box {
  max-width: 500px;
  margin: 0 auto 3rem auto;
  position: relative;
}
.faq-search-input {
  width: 100%;
  padding: 1rem 1.5rem 1rem 3rem;
  border-radius: 50px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  font-family: inherit;
  font-size: 0.95rem;
}
.faq-search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  width: 18px;
  height: 18px;
}

details {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition-smooth);
}
details[open] {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}
summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
summary::-webkit-details-marker {
  display: none;
}
summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--color-accent);
  transition: var(--transition-fast);
  font-weight: 400;
}
details[open] summary::after {
  content: '−';
  transform: rotate(180deg);
}
.faq-content {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--color-text-light);
}

/* 12. Appointment Booking / Forms */
.appointment-section {
  padding: 6rem 0;
}
.booking-card {
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
}
.booking-info-sidebar {
  background-color: var(--color-primary);
  color: var(--bg-secondary);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.booking-info-sidebar h3 {
  color: var(--bg-secondary);
  margin-bottom: 1.5rem;
}
.booking-info-sidebar p {
  color: hsl(215, 30%, 80%);
}
.contact-meta-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.contact-meta-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.contact-meta-item svg {
  width: 20px;
  height: 20px;
  fill: var(--color-accent);
  margin-top: 4px;
}
.contact-meta-item h4 {
  color: var(--bg-secondary);
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}
.contact-meta-item p {
  font-size: 0.85rem;
  margin-bottom: 0;
  color: hsl(215, 30%, 80%);
}

.booking-form-area {
  padding: 3rem;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.form-group.full-width {
  grid-column: span 2;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.form-control {
  width: 100%;
  padding: 0.85rem 1.25rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 0.9rem;
  background-color: var(--bg-primary);
  transition: var(--transition-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: var(--bg-secondary);
  box-shadow: 0 0 0 3px var(--color-secondary-light);
}

/* Form Validation styles using CSS :has() and :invalid */
.form-group:has(.form-control:user-invalid) label {
  color: #dc2626; /* Crimson Red */
}
.form-group:has(.form-control:user-invalid) .form-control {
  border-color: #dc2626;
  background-color: #fef2f2;
}

/* Toast Messages */
.toast-container {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.toast {
  background-color: var(--bg-secondary);
  border-left: 4px solid var(--color-accent);
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  padding: 1rem 1.5rem;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-smooth);
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}
.toast.success {
  border-left-color: #22c55e;
}
.toast.error {
  border-left-color: #ef4444;
}

/* 13. Service Detail Template */
.service-hero {
  padding: 5rem 0;
  background: radial-gradient(circle at 10% 20%, rgba(240, 245, 255, 0.4) 0%, rgba(255,255,255,1) 90%);
  border-bottom: 1px solid var(--color-border);
}
.service-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}
.service-hero-content .category {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.75rem;
}
.service-hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.service-details-layout {
  padding: 6rem 0;
}
.service-details-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
}
.benefits-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0;
}
.benefits-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 0.95rem;
}
.benefits-list li svg {
  width: 18px;
  height: 18px;
  fill: var(--color-accent);
}

.procedure-steps {
  margin: 3rem 0;
}
.step-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  position: relative;
}
.step-number {
  width: 44px;
  height: 44px;
  background-color: var(--color-primary);
  color: var(--bg-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  z-index: 2;
}
.step-item:not(:last-child)::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 21px;
  width: 2px;
  height: calc(100% - 24px);
  background-color: var(--color-border);
  z-index: 1;
}
.step-text h4 {
  margin-bottom: 0.25rem;
}

.sidebar-card {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  padding: 2rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}
.sidebar-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 0.5rem;
}
.services-menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.services-menu-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  background-color: var(--bg-primary);
  color: var(--color-primary);
}
.services-menu-list a:hover,
.services-menu-list a.active {
  background-color: var(--color-primary);
  color: var(--bg-secondary);
}

/* 14. Before & After Slider */
.slider-container {
  position: relative;
  width: 100%;
  max-width: 600px;
  aspect-ratio: 1/1;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin: 0 auto;
}
.slider-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.slider-img-before {
  z-index: 1;
}
.slider-img-after {
  z-index: 2;
  clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}
.slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background-color: var(--bg-secondary);
  z-index: 3;
  cursor: ew-resize;
  transform: translateX(-50%);
}
.slider-handle-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-weight: 700;
  pointer-events: none;
}
.slider-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  z-index: 4;
  cursor: ew-resize;
}

/* 15. Blog Section */
.blog-layout {
  padding: 6rem 0;
}
.blog-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
}
.blog-posts-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.blog-card {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}
.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent);
}
.blog-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition-smooth);
}
.blog-card:hover .blog-card-img {
  transform: scale(1.04);
}
.blog-card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.blog-meta {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 0.75rem;
  display: flex;
  gap: 15px;
}
.blog-card h3 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
}
.blog-card p {
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.search-sidebar-box {
  margin-bottom: 2.5rem;
}
.recent-posts-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.recent-post-item {
  display: flex;
  gap: 12px;
  align-items: center;
}
.recent-post-thumb {
  width: 60px;
  height: 60px;
  border-radius: 8px;
  object-fit: cover;
}
.recent-post-text h4 {
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.recent-post-text p {
  font-size: 0.75rem;
  margin-bottom: 0;
}

/* 16. Contact Page Specifics */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  padding: 6rem 0;
}
.map-placeholder {
  width: 100%;
  height: 400px;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  position: relative;
  background-color: var(--color-secondary-light);
}
.map-iframe {
  width: 100%;
  height: 100%;
  border: none;
}
.emergency-banner {
  background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
  color: white;
  padding: 2rem;
  border-radius: var(--border-radius-md);
  margin-top: 2rem;
  box-shadow: var(--shadow-md);
}
.emergency-banner h3 {
  color: white;
  margin-bottom: 0.5rem;
}
.emergency-banner p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 1.5rem;
}
.emergency-banner .btn {
  background-color: white;
  color: #b91c1c;
}

/* 17. CTA Block (Reusable) */
.cta-block {
  background-color: var(--color-primary);
  color: var(--bg-secondary);
  padding: 6rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 163, 89, 0.08) 0%, rgba(255,255,255,0) 70%);
  top: -200px;
  right: -200px;
}
.cta-block h2 {
  color: var(--bg-secondary);
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}
.cta-block p {
  color: hsl(215, 30%, 80%);
  max-width: 600px;
  margin: 0 auto 2.5rem auto;
  font-size: 1.1rem;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* 18. Footer & Sticky Socials */
footer {
  background-color: var(--color-primary);
  color: var(--bg-secondary);
  padding: 5rem 0 2rem 0;
  border-top: 1px solid hsl(215, 60%, 15%);
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}
.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}
.footer-logo-img {
  height: 45px;
  width: auto;
  object-fit: contain;
}
.footer-column h3 {
  color: var(--bg-secondary);
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}
.footer-column h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background-color: var(--color-accent);
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 0.75rem;
}
.footer-links a {
  color: hsl(215, 30%, 85%);
}
.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid hsl(215, 40%, 20%);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: hsl(215, 20%, 70%);
}
.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}
.footer-legal-links a {
  color: hsl(215, 20%, 70%);
  font-size: 0.85rem;
}

/* Sticky Action Controls */
.sticky-actions {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 999;
}
.sticky-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-smooth);
  color: white;
}
.sticky-btn:hover {
  transform: translateY(-4px) scale(1.05);
}
.sticky-whatsapp {
  background-color: #25d366;
}
.sticky-call {
  background-color: var(--color-secondary);
  display: none; /* Desktop hidden */
}
.sticky-btn svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

/* 19. Progressive Enhancement Scroll Animations */
@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes reveal-up {
      from {
        opacity: 0;
        transform: translateY(40px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .reveal-on-scroll {
      animation: reveal-up auto linear both;
      animation-timeline: view();
      animation-range: entry 10% cover 40%;
    }
  }
}

/* 20. Responsive Media Queries */
/* Styles for medium screen desktops to prevent layout breakages */
@media (max-width: 1250px) {
  .nav-menu {
    gap: 1rem;
  }
  .nav-menu a {
    font-size: 0.88rem;
  }
}

@media (max-width: 1024px) {
  .hero-content h1 { font-size: 2.8rem; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .booking-card {
    grid-template-columns: 1fr;
  }
  .booking-info-sidebar {
    padding: 2.5rem;
  }
  .booking-form-area {
    padding: 2.5rem;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: var(--header-shrink-height); /* Update body padding for mobile header */
  }
  header {
    height: var(--header-shrink-height) !important;
    display: block;
  }
  .header-top-row {
    height: var(--header-shrink-height) !important;
    padding: 0.8rem 0 !important;
    border-bottom: none !important;
    opacity: 1 !important;
    overflow: visible !important;
  }
  .header-top-left,
  .header-top-right,
  .header-bottom-row {
    display: none !important;
  }
  .logo-img {
    height: 42px;
  }
  .menu-toggle {
    display: block;
    margin-left: auto;
  }
  .mobile-cta-link {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: var(--header-shrink-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-shrink-height));
    background-color: var(--bg-secondary);
    flex-direction: column;
    padding: 3rem 2rem;
    gap: 2rem;
    box-shadow: var(--shadow-lg);
    transform: translateX(-100%);
    transition: var(--transition-smooth);
    z-index: 1000;
  }
  .nav-menu.open {
    transform: translateX(0);
  }
  .nav-cta {
    display: none; /* Hide desktop action buttons in header */
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero-ctas {
    justify-content: center;
  }
  .trust-badges {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .why-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .service-details-grid,
  .blog-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .service-hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .benefits-list {
    grid-template-columns: 1fr;
  }
  .blog-posts-list {
    grid-template-columns: 1fr;
  }
  
  /* Show Call button on mobile */
  .sticky-call {
    display: flex;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: auto;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.75rem; }
  .hero-content h1 { font-size: 2.2rem; }
  .stats-grid {
    grid-template-columns: 1fr;
  }
}