/* ============================================
   Dr. Sree Ram Geetha Nath Dental Hospital
   Premium Healthcare Theme v2.0 (Multi-page)
   ============================================ */

/* ----- CSS Custom Properties ----- */
:root {
  --primary: #0a7e8c;
  --primary-dark: #065a64;
  --primary-light: #e0f7fa;
  --primary-glow: rgba(10, 126, 140, 0.15);

  --secondary: #1a73e8;
  --secondary-dark: #0d47a1;
  --secondary-light: #e8f0fe;

  --accent: #00bfa6;
  --accent-soft: #ccf5ed;

  --white: #ffffff;
  --bg: #f8faff;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --bg-glass-border: rgba(255, 255, 255, 0.18);
  --text: #1a2332;
  --text-secondary: #5a6a7e;
  --text-light: #8a9bb5;
  --border: rgba(10, 126, 140, 0.08);
  --shadow: 0 8px 32px rgba(10, 126, 140, 0.06);
  --shadow-lg: 0 20px 60px rgba(10, 126, 140, 0.08);

  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.25);
  --glass-shadow: 0 8px 32px rgba(10, 126, 140, 0.08);
  --glass-blur: 16px;

  --gradient-primary: linear-gradient(135deg, #0a7e8c 0%, #1a73e8 100%);
  --gradient-hero: linear-gradient(135deg, #0a7e8c 0%, #065a64 30%, #1a73e8 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f0f7fa 100%);

  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;

  --section-padding: 6rem 0;
  --container-width: 1200px;
  --border-radius-sm: 8px;
  --border-radius: 16px;
  --border-radius-lg: 24px;
  --border-radius-xl: 32px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 76px;
}

[data-theme="dark"] {
  --primary: #14b4c9;
  --primary-dark: #0e8a9a;
  --primary-light: #0a2a30;
  --primary-glow: rgba(20, 180, 201, 0.12);
  --secondary: #4a9ff5;
  --secondary-dark: #1a73e8;
  --secondary-light: #0a1a2e;
  --accent: #00dfc0;
  --accent-soft: #0a2a24;
  --bg: #0b1120;
  --bg-card: #121a2e;
  --bg-glass: rgba(18, 26, 46, 0.78);
  --bg-glass-border: rgba(255, 255, 255, 0.06);
  --text: #e8edf5;
  --text-secondary: #9aaec9;
  --text-light: #5a6e8a;
  --border: rgba(20, 180, 201, 0.08);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
  --glass-bg: rgba(18, 26, 46, 0.7);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --gradient-card: linear-gradient(145deg, #121a2e 0%, #0d1524 100%);
}

/* ----- Reset & Base ----- */
*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
}
body {
  font-family: var(--font-primary);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background-color var(--transition-slow), color var(--transition-slow);
  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); }
ul { list-style: none; }

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
p { color: var(--text-secondary); line-height: 1.8; }

.section-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: var(--primary-light); color: var(--primary);
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.5px;
  text-transform: uppercase; border-radius: 50px; margin-bottom: 1rem;
}
.section-title { margin-bottom: 1rem; }
.section-subtitle {
  font-size: 1.1rem; color: var(--text-secondary);
  max-width: 600px; margin: 0 auto;
}
.text-center { text-align: center; }

/* ----- Container ----- */
.container {
  width: 100%; max-width: var(--container-width);
  margin: 0 auto; padding: 0 1.5rem;
}

/* ----- Page Header (inner pages) ----- */
.page-header {
  padding: calc(var(--nav-height) + 3rem) 0 3rem;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.page-header::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,0.05) 0%, transparent 60%);
}
.page-header h1 { color: var(--white); position: relative; z-index: 1; }
.page-header p { color: rgba(255,255,255,0.75); position: relative; z-index: 1; }
.breadcrumb {
  display: flex; justify-content: center; gap: 0.5rem;
  margin-top: 0.75rem; font-size: 0.85rem;
  position: relative; z-index: 1;
}
.breadcrumb a { color: rgba(255,255,255,0.6); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,0.9); }
.breadcrumb i { color: rgba(255,255,255,0.4); font-size: 0.6rem; }

/* ----- Glassmorphism ----- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  box-shadow: var(--glass-shadow);
}
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--glass-shadow);
  padding: 2.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-primary);
  font-size: 0.95rem; font-weight: 600;
  border: none; border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative; overflow: hidden;
}
.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(10, 126, 140, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(10, 126, 140, 0.4);
}
.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  color: var(--text);
}
.btn-secondary:hover {
  background: var(--primary); color: var(--white);
  border-color: var(--primary); transform: translateY(-2px);
}
.btn-outline {
  background: transparent; border: 2px solid var(--primary); color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary); color: var(--white); transform: translateY(-2px);
}
.btn-whatsapp {
  background: #25D366; color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover {
  background: #20bd5a; transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
}
.btn-sm { padding: 0.6rem 1.4rem; font-size: 0.85rem; }
.btn-lg { padding: 1.1rem 2.5rem; font-size: 1.05rem; }

/* ----- Navigation ----- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; height: var(--nav-height);
  transition: all var(--transition);
}
.navbar:not(.scrolled) { background: transparent; }
.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
}
.navbar .container {
  display: flex; align-items: center; justify-content: space-between; height: 100%;
}

.nav-logo {
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.2rem; color: var(--text);
}
.nav-logo-icon {
  width: 42px; height: 42px;
  background: var(--gradient-primary); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.2rem;
}
.nav-logo span { color: var(--primary); }

.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-links a {
  padding: 0.5rem 1rem; font-size: 0.875rem; font-weight: 500;
  color: var(--text-secondary); border-radius: 8px;
  transition: all var(--transition); position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: 2px; left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%; height: 2px;
  background: var(--primary); border-radius: 2px;
  transition: transform var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--primary); background: var(--primary-light);
}
.nav-links a:hover::after,
.nav-links a.active::after { transform: translateX(-50%) scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 1rem; }

.theme-toggle {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg); backdrop-filter: blur(8px);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--text); font-size: 1.1rem; transition: all var(--transition);
}
.theme-toggle:hover {
  background: var(--primary-light); color: var(--primary); transform: rotate(15deg);
}

.nav-appointment-btn { display: none; }
@media (min-width: 992px) { .nav-appointment-btn { display: inline-flex; } }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px; background: none; border: none;
}
.hamburger span {
  width: 24px; height: 2px; background: var(--text);
  border-radius: 2px; transition: all var(--transition);
}
.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 (Home) ----- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  background: var(--gradient-hero); overflow: hidden;
  padding-top: var(--nav-height);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(26,115,232,0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(10,126,140,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.hero-pattern {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(255,255,255,0.03) 0%, transparent 50%),
    radial-gradient(circle at 75% 65%, rgba(255,255,255,0.03) 0%, transparent 50%);
  pointer-events: none;
}
.hero-shapes { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-shape {
  position: absolute; border-radius: 50%; opacity: 0.04;
}
.hero-shape-1 { width: 500px; height: 500px; background: var(--white); top: -100px; right: -100px; animation: floatShape 20s ease-in-out infinite; }
.hero-shape-2 { width: 300px; height: 300px; background: var(--secondary); bottom: -50px; left: -50px; animation: floatShape 25s ease-in-out infinite reverse; }
.hero-shape-3 { width: 200px; height: 200px; background: var(--accent); top: 50%; left: 60%; animation: floatShape 15s ease-in-out infinite; }
@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -30px) rotate(120deg); }
  66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero .container {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.hero-content { padding: 2rem 0; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: rgba(255,255,255,0.1); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15); border-radius: 50px;
  color: rgba(255,255,255,0.9); font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.3px; margin-bottom: 1.5rem;
}
.hero-badge i { color: var(--accent); }
.hero h1 { color: var(--white); margin-bottom: 0.5rem; }
.hero h1 span {
  background: linear-gradient(135deg, var(--accent), #ffffff);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p { color: rgba(255,255,255,0.75); font-size: 1.15rem; max-width: 540px; margin-bottom: 2rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.5rem; }
.hero-stats { display: flex; gap: 2.5rem; }
.hero-stat h3 { color: var(--white); font-family: var(--font-primary); font-size: 1.75rem; font-weight: 700; }
.hero-stat p { color: rgba(255,255,255,0.6); font-size: 0.85rem; margin-bottom: 0; }

.hero-visual { display: flex; justify-content: center; align-items: center; position: relative; }
.hero-image-wrapper { position: relative; width: 100%; max-width: 500px; }
.hero-image-main {
  width: 100%; border-radius: 24px; box-shadow: 0 30px 80px rgba(0,0,0,0.2);
  position: relative; z-index: 2;
}
.hero-image-accent {
  position: absolute; width: 100%; height: 100%;
  border: 2px solid rgba(255,255,255,0.1); border-radius: 24px;
  top: 20px; left: 20px; z-index: 1;
}
.hero-experience-badge {
  position: absolute; bottom: -10px; right: -10px;
  background: var(--gradient-primary); color: white;
  padding: 1rem 1.5rem; border-radius: 16px; text-align: center;
  z-index: 3; box-shadow: 0 10px 40px rgba(10, 126, 140, 0.3);
}
.hero-experience-badge h4 { color: white; font-family: var(--font-primary); font-size: 1.5rem; font-weight: 800; line-height: 1; }
.hero-experience-badge p { color: rgba(255,255,255,0.8); font-size: 0.75rem; margin: 0; }

/* ----- Emergency Banner ----- */
.emergency-banner {
  background: var(--gradient-primary);
  padding: 0.75rem 0; text-align: center;
  position: relative; z-index: 1001;
}
.emergency-banner p { color: white; font-size: 0.9rem; font-weight: 500; }
.emergency-banner a { color: white; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.emergency-banner i { margin-right: 0.25rem; }

/* ----- Stats Section ----- */
.stats-section { padding: 4rem 0; background: var(--bg); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.stat-card {
  text-align: center; padding: 2rem 1.5rem;
  background: var(--gradient-card); border: 1px solid var(--border);
  border-radius: var(--border-radius-lg); transition: all var(--transition);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(10,126,140,0.2); }
.stat-icon {
  width: 60px; height: 60px;
  background: var(--primary-light); color: var(--primary);
  border-radius: 16px; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin: 0 auto 1rem; transition: all var(--transition);
}
.stat-card:hover .stat-icon { background: var(--primary); color: var(--white); transform: scale(1.1); }
.stat-number { font-family: var(--font-primary); font-size: 2.2rem; font-weight: 800; color: var(--text); line-height: 1; margin-bottom: 0.25rem; }
.stat-label { font-size: 0.9rem; color: var(--text-secondary); font-weight: 500; }

/* ----- About Section ----- */
.about-section { padding: var(--section-padding); background: var(--bg); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-image-wrapper { position: relative; }
.about-image { border-radius: var(--border-radius-lg); box-shadow: var(--shadow-lg); width: 100%; }
.about-image-accent {
  position: absolute; top: -15px; left: -15px;
  width: 100%; height: 100%;
  border: 2px solid var(--primary); border-radius: var(--border-radius-lg);
  z-index: -1; opacity: 0.3;
}
.about-qualifications { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.5rem 0; }
.qual-badge {
  padding: 0.4rem 1rem; background: var(--primary-light); color: var(--primary);
  font-size: 0.8rem; font-weight: 600; border-radius: 50px;
  border: 1px solid rgba(10,126,140,0.15);
}
.about-features { display: grid; gap: 1rem; margin-top: 1.5rem; }
.about-feature {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1rem 1.25rem; background: var(--gradient-card);
  border-radius: var(--border-radius); border: 1px solid var(--border);
}
.about-feature i { color: var(--accent); font-size: 1.2rem; margin-top: 2px; }

/* ----- Treatments Page ----- */
.treatments-section { padding: var(--section-padding); background: var(--bg); }
.treatments-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.treatment-card {
  background: var(--gradient-card); border: 1px solid var(--border);
  border-radius: var(--border-radius-lg); padding: 2rem;
  transition: all var(--transition); position: relative; overflow: hidden;
}
.treatment-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0); transform-origin: left; transition: transform var(--transition);
}
.treatment-card:hover::before { transform: scaleX(1); }
.treatment-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(10,126,140,0.15); }
.treatment-icon {
  width: 64px; height: 64px;
  background: var(--primary-light); color: var(--primary);
  border-radius: 18px; display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 1.25rem; transition: all var(--transition);
}
.treatment-card:hover .treatment-icon { background: var(--gradient-primary); color: var(--white); transform: scale(1.05) rotate(-5deg); }
.treatment-card h3 { font-family: var(--font-primary); font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
.treatment-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 1rem; }
.treatment-link { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--primary); font-size: 0.85rem; font-weight: 600; }
.treatment-link i { transition: transform var(--transition); }
.treatment-link:hover i { transform: translateX(4px); }

/* ----- Gallery Page ----- */
.gallery-section { padding: var(--section-padding); background: var(--bg); }
.gallery-filters { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2.5rem; }
.gallery-filter {
  padding: 0.5rem 1.25rem; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text-secondary);
  border-radius: 50px; cursor: pointer;
  font-size: 0.85rem; font-weight: 500; transition: all var(--transition);
}
.gallery-filter:hover, .gallery-filter.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.gallery-item {
  position: relative; border-radius: var(--border-radius);
  overflow: hidden; cursor: pointer; aspect-ratio: 4/3;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.gallery-item:hover img { transform: scale(1.1); }
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(10,126,140,0.85) 0%, transparent 60%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1.5rem; opacity: 0; transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span { color: white; font-weight: 600; font-size: 0.9rem; }
.gallery-overlay small { color: rgba(255,255,255,0.7); font-size: 0.8rem; }
.gallery-badge { position: absolute; top: 1rem; left: 1rem; padding: 0.25rem 0.75rem; border-radius: 50px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; z-index: 2; }
.gallery-badge.before { background: #ff6b6b; color: white; }
.gallery-badge.after { background: var(--accent); color: white; }

/* ----- Testimonials Page ----- */
.testimonials-section { padding: var(--section-padding); background: var(--bg); overflow: hidden; }
.testimonials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 3rem; }
.testimonial-card {
  padding: 2rem; background: var(--gradient-card);
  border: 1px solid var(--border); border-radius: var(--border-radius-lg);
  transition: all var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.testimonial-stars { display: flex; gap: 0.25rem; color: #fbbf24; font-size: 0.9rem; margin-bottom: 1rem; }
.testimonial-text { font-size: 0.95rem; color: var(--text-secondary); font-style: italic; margin-bottom: 1.25rem; line-height: 1.7; }
.testimonial-author { display: flex; align-items: center; gap: 1rem; }
.testimonial-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem;
}
.testimonial-info h4 { font-family: var(--font-primary); font-size: 1rem; font-weight: 700; }
.testimonial-info p { font-size: 0.8rem; color: var(--text-light); }

/* ----- FAQs Page ----- */
.faqs-section { padding: var(--section-padding); background: var(--bg); }
.faq-container { max-width: 800px; margin: 3rem auto 0; display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item { background: var(--gradient-card); border: 1px solid var(--border); border-radius: var(--border-radius); overflow: hidden; transition: all var(--transition); }
.faq-item:hover { border-color: rgba(10,126,140,0.15); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: none; border: none; cursor: pointer;
  font-family: var(--font-primary); font-size: 1rem; font-weight: 600;
  color: var(--text); text-align: left; transition: color var(--transition);
}
.faq-question i { color: var(--primary); font-size: 0.9rem; transition: transform var(--transition); flex-shrink: 0; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p { padding: 0 1.5rem 1.25rem; font-size: 0.9rem; color: var(--text-secondary); }

/* ----- Contact Page ----- */
.contact-section { padding: var(--section-padding); background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 3rem; }
.contact-info-cards { display: grid; gap: 1rem; }
.contact-info-card {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.25rem; background: var(--gradient-card);
  border: 1px solid var(--border); border-radius: var(--border-radius);
  transition: all var(--transition);
}
.contact-info-card:hover { transform: translateX(4px); border-color: rgba(10,126,140,0.2); }
.contact-icon {
  width: 48px; height: 48px; background: var(--primary-light); color: var(--primary);
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.contact-info-card h4 { font-family: var(--font-primary); font-size: 1rem; font-weight: 700; margin-bottom: 0.15rem; }
.contact-info-card p { font-size: 0.88rem; color: var(--text-secondary); }

.map-container { border-radius: var(--border-radius-lg); overflow: hidden; box-shadow: var(--shadow); height: 100%; min-height: 400px; }
.map-container iframe { width: 100%; height: 100%; border: none; }

/* ----- Appointment Page ----- */
.appointment-section { padding: var(--section-padding); background: var(--bg); }
.appointment-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 3rem; align-items: start; }
.appointment-form-container { background: var(--gradient-card); border: 1px solid var(--border); border-radius: var(--border-radius-xl); padding: 2.5rem; box-shadow: var(--shadow); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text); margin-bottom: 0.4rem; }
.form-control {
  width: 100%; padding: 0.85rem 1.1rem;
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-primary); font-size: 0.9rem;
  color: var(--text); transition: all var(--transition); outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.form-control::placeholder { color: var(--text-light); }
textarea.form-control { min-height: 100px; resize: vertical; }
select.form-control {
  cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a6a7e' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem;
}
.form-submit-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 0.5rem; }
.form-submit-row .btn { flex: 1; justify-content: center; min-width: 200px; }

.appointment-info { padding: 2rem; }
.appointment-info h3 { font-family: var(--font-primary); margin-bottom: 1rem; }
.appointment-info ul { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.appointment-info li { display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; color: var(--text-secondary); }
.appointment-info li i { color: var(--accent); font-size: 1.1rem; }

/* ----- Consultation CTA ----- */
.consultation-cta {
  padding: 4rem 0;
  background: var(--gradient-hero);
  position: relative; overflow: hidden;
}
.consultation-cta::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.05) 0%, transparent 70%);
}
.consultation-cta .container { position: relative; z-index: 2; text-align: center; }
.consultation-cta h2 { color: var(--white); margin-bottom: 0.75rem; }
.consultation-cta p { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 600px; margin: 0 auto 2rem; }
.consultation-cta .btn { font-size: 1.05rem; padding: 1.1rem 2.5rem; }

/* ----- Footer ----- */
.footer { background: var(--bg-card); border-top: 1px solid var(--border); padding: 4rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 2.5rem; padding-bottom: 3rem; }
.footer-brand p { font-size: 0.9rem; margin-top: 1rem; max-width: 360px; }
.footer-social { display: flex; gap: 0.75rem; margin-top: 1.5rem; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: all var(--transition);
}
.footer-social a:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); }
.footer h4 { font-family: var(--font-primary); font-size: 1rem; font-weight: 700; margin-bottom: 1.25rem; }
.footer-links a { display: block; padding: 0.35rem 0; font-size: 0.88rem; color: var(--text-secondary); transition: all var(--transition); }
.footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-contact-item { display: flex; gap: 0.75rem; margin-bottom: 1rem; font-size: 0.88rem; color: var(--text-secondary); }
.footer-contact-item i { color: var(--primary); margin-top: 4px; }
.footer-bottom { padding: 1.5rem 0; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.footer-bottom p { font-size: 0.85rem; color: var(--text-light); }

/* ----- Floating WhatsApp ----- */
.floating-whatsapp {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  z-index: 999; display: flex; flex-direction: column; align-items: flex-end; gap: 0.75rem;
}
.floating-whatsapp-btn {
  width: 56px; height: 56px; background: #25D366; color: white;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; cursor: pointer;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition); border: none; position: relative;
}
.floating-whatsapp-btn:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5); }
.floating-whatsapp-btn .pulse-ring {
  position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid #25D366;
  animation: pulseRing 2s ease-out infinite;
}
@keyframes pulseRing {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}
.floating-whatsapp-tooltip {
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 0.6rem 1rem; border-radius: 12px;
  font-size: 0.8rem; font-weight: 500; color: var(--text);
  box-shadow: var(--shadow); white-space: nowrap;
  transition: all var(--transition);
  opacity: 0; transform: translateY(10px); pointer-events: none;
}
.floating-whatsapp:hover .floating-whatsapp-tooltip { opacity: 1; transform: translateY(0); }

/* ----- Back to Top ----- */
.back-to-top {
  position: fixed; bottom: 1.5rem; left: 1.5rem;
  width: 44px; height: 44px;
  background: var(--gradient-primary); color: white;
  border: none; border-radius: 14px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; box-shadow: 0 4px 20px rgba(10, 126, 140, 0.3);
  z-index: 999;
  opacity: 0; transform: translateY(20px);
  transition: all var(--transition); pointer-events: none;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: all; }
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(10, 126, 140, 0.4); }

/* ----- Animations ----- */
.animate-on-scroll {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }
.animate-on-scroll.delay-5 { transition-delay: 0.5s; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ----- Page-specific hero backgrounds (inner pages) ----- */
.page-header.about-header { background: linear-gradient(135deg, #0a7e8c 0%, #065a64 40%, #1a73e8 100%); }
.page-header.treatments-header { background: linear-gradient(135deg, #1a73e8 0%, #0a7e8c 50%, #065a64 100%); }
.page-header.gallery-header { background: linear-gradient(135deg, #065a64 0%, #0a7e8c 50%, #00bfa6 100%); }
.page-header.testimonials-header { background: linear-gradient(135deg, #0a7e8c 0%, #1a73e8 50%, #0d47a1 100%); }
.page-header.faq-header { background: linear-gradient(135deg, #0d47a1 0%, #1a73e8 50%, #0a7e8c 100%); }
.page-header.contact-header { background: linear-gradient(135deg, #065a64 0%, #0a7e8c 50%, #1a73e8 100%); }
.page-header.appointment-header { background: linear-gradient(135deg, #0a7e8c 0%, #00bfa6 50%, #065a64 100%); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin: 0 auto 2rem; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .treatments-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .appointment-wrapper { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  .hamburger { display: flex; }
  .nav-links {
    position: fixed; top: var(--nav-height); left: 0; right: 0;
    background: var(--glass-bg); backdrop-filter: blur(20px);
    flex-direction: column; padding: 1rem; gap: 0.25rem;
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-110%); opacity: 0;
    transition: all var(--transition);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; }
  .nav-links a { padding: 0.75rem 1rem; width: 100%; text-align: center; }
  .nav-links a::after { display: none; }

  .hero { min-height: 90vh; }
  .hero h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
  .hero-stats { flex-direction: column; gap: 1rem; align-items: center; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .treatments-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .appointment-form-container { padding: 1.5rem; }
  .form-submit-row { flex-direction: column; }
  .form-submit-row .btn { min-width: unset; }
  .section-title { font-size: clamp(1.6rem, 6vw, 2rem); }
  .floating-whatsapp { bottom: 1rem; right: 1rem; }
  .floating-whatsapp-btn { width: 48px; height: 48px; font-size: 1.3rem; }
  .back-to-top { bottom: 1rem; left: 1rem; width: 40px; height: 40px; font-size: 1rem; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-cta { flex-direction: column; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .animate-on-scroll { opacity: 1; transform: none; }
}

:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
::selection { background: var(--primary); color: white; }

.skip-link {
  position: absolute; top: -100%; left: 0;
  background: var(--primary); color: white;
  padding: 0.5rem 1rem; z-index: 10001;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }