/* ===== DESIGN SYSTEM - Dra. Olivia Sánchez Cabral ===== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,800;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary-dark: #0A1628;
  --primary-blue: #1B4D8E;
  --primary-light: #2A6FCC;
  --accent-teal: #2EC4B6;
  --accent-gold: #C9A84C;
  --bg-cream: #F8F9FA;
  --bg-warm: #F0EDE8;
  --text-white: #FFFFFF;
  --text-light: #B8C5D6;
  --text-dark: #1A1A2E;
  --text-muted: #6B7B8D;
  --glass-bg: rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.12);
  --shadow-soft: 0 4px 30px rgba(0,0,0,0.08);
  --shadow-card: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 30px rgba(46,196,182,0.3);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--bg-cream);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.8rem); }
h4 { font-size: 1.15rem; }
p { font-size: 1rem; color: var(--text-muted); margin-bottom: 1rem; }
a { text-decoration: none; color: inherit; transition: var(--transition); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section-padding { padding: 6rem 0; }

/* ===== TOP BAR ===== */
.top-bar {
  background: var(--primary-dark);
  color: var(--text-light);
  text-align: center;
  padding: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: 0.8rem 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-dark);
}
.nav-logo .logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: white;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.3rem 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-teal);
  transition: width 0.3s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary-dark); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.btn-cta {
  background: linear-gradient(135deg, var(--accent-teal), #1BA89E);
  color: white;
  padding: 0.65rem 1.6rem;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(46,196,182,0.3);
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
}
.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary-dark);
  transition: var(--transition);
  border-radius: 2px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, #102A4A 50%, var(--primary-blue) 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(46,196,182,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-content { color: var(--text-white); }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-xl);
  font-size: 0.82rem;
  color: var(--accent-teal);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}
.hero-content h1 {
  color: white;
  margin-bottom: 1rem;
  line-height: 1.15;
}
.hero-content h1 span {
  display: block;
  background: linear-gradient(135deg, var(--accent-teal), var(--accent-gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-content .subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  max-width: 500px;
  line-height: 1.8;
}
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #25D366;
  color: white;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(37,211,102,0.4);
  background: #20BD5A;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid var(--glass-border);
  color: white;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-xl);
  font-weight: 500;
  font-size: 1rem;
  transition: var(--transition);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-image img {
  width: 420px;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.hero-image::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 40px;
  background: radial-gradient(ellipse, rgba(46,196,182,0.2), transparent);
  filter: blur(10px);
}

/* ===== STATS BAR ===== */
.stats-bar {
  background: white;
  padding: 3rem 0;
  box-shadow: var(--shadow-soft);
  position: relative;
  z-index: 5;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-item h3 {
  font-size: 2.5rem;
  color: var(--primary-blue);
  margin-bottom: 0.3rem;
}
.stat-item h3 .accent { color: var(--accent-teal); }
.stat-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== SECTION HEADERS ===== */
.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
}
.section-header .label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: 0.8rem;
}
.section-header h2 { color: var(--primary-dark); margin-bottom: 1rem; }
.section-header p { max-width: 550px; margin: 0 auto; }

/* ===== DARK SECTION ===== */
.section-dark {
  background: linear-gradient(180deg, var(--primary-dark) 0%, #0F2337 100%);
  color: white;
}
.section-dark .section-header h2 { color: white; }
.section-dark .section-header p { color: var(--text-light); }

/* ===== VIDEO LIBRARY ===== */
.video-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.tab-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-light);
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}
.tab-btn:hover, .tab-btn.active {
  background: var(--accent-teal);
  color: white;
  border-color: var(--accent-teal);
  box-shadow: 0 4px 15px rgba(46,196,182,0.3);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.video-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  display: block; /* For filtering */
}
.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  border-color: rgba(46,196,182,0.3);
}
.video-card.hidden {
  display: none;
}

.video-wrapper {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  position: relative;
  cursor: pointer;
  overflow: hidden;
}
.video-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
}
.play-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10,22,40,0.8), rgba(27,77,142,0.6));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: var(--transition);
}
.video-wrapper:hover .play-overlay {
  background: rgba(10,22,40,0.5);
}
.play-icon {
  width: 60px;
  height: 60px;
  background: var(--accent-teal);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  padding-left: 5px; /* Visual center for triangle */
  box-shadow: 0 4px 15px rgba(46,196,182,0.4);
  transition: var(--transition);
}
.video-wrapper:hover .play-icon {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(46,196,182,0.6);
}

.video-info {
  padding: 1.5rem;
}
.video-info .tag {
  display: inline-block;
  background: rgba(46,196,182,0.15);
  color: var(--accent-teal);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.8rem;
}
.video-info h4 {
  color: white;
  margin: 0;
  font-size: 1.1rem;
}

@media (max-width: 900px) {
    .video-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .video-grid { grid-template-columns: 1fr; }
}

/* ===== 3D CANVAS BACKGROUNDS ===== */
.hero-canvas, .bg-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
.hero {
  position: relative;
  overflow: hidden;
}
.hero-grid {
  position: relative;
  z-index: 2;
}
.section-dark.position-relative {
  position: relative;
  overflow: hidden;
}
.section-dark.position-relative .container {
  position: relative;
  z-index: 2;
}

/* ===== LOCATION CARDS ===== */
.locations-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}
.location-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.location-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-blue), var(--accent-teal));
}
.location-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.location-card .city-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
  color: white;
  padding: 0.3rem 1rem;
  border-radius: var(--radius-xl);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 1px;
}
.location-card h4 { color: var(--primary-dark); margin-bottom: 0.8rem; }
.location-card p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 0.5rem; }
.location-card .phone-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--primary-blue);
  font-weight: 600;
  font-size: 0.92rem;
  margin-top: 0.5rem;
}
.remote-notice {
  background: linear-gradient(135deg, rgba(46,196,182,0.08), rgba(27,77,142,0.08));
  border: 1px solid rgba(46,196,182,0.2);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  text-align: center;
}
.remote-notice p { color: var(--text-dark); font-weight: 500; margin: 0; }
.remote-notice a { color: var(--accent-teal); font-weight: 600; }

/* ===== CONTACT SECTION ===== */
.contact-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #102A4A 100%);
  color: white;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info h2 { color: white; margin-bottom: 1rem; }
.contact-info > p { color: var(--text-light); margin-bottom: 2rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}
.contact-item .icon-box {
  width: 44px;
  height: 44px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item a, .contact-item span { color: var(--text-light); font-size: 0.95rem; }
.contact-item a:hover { color: var(--accent-teal); }
.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}
.social-links a {
  width: 44px;
  height: 44px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-light);
  transition: var(--transition);
}
.social-links a:hover {
  background: var(--accent-teal);
  color: white;
  border-color: var(--accent-teal);
  transform: translateY(-3px);
}
.contact-form {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  backdrop-filter: blur(20px);
}
.contact-form h3 { color: white; margin-bottom: 0.5rem; font-family: var(--font-body); }
.contact-form > p { color: var(--text-light); font-size: 0.9rem; margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1.2rem; }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 0.85rem 1.2rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: white;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 3px rgba(46,196,182,0.15);
}
.form-group textarea { height: 120px; resize: vertical; }
.btn-submit {
  width: 100%;
  padding: 0.9rem;
  background: linear-gradient(135deg, var(--accent-teal), #1BA89E);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ===== SCHEDULE BOX ===== */
.schedule-box {
  background: white;
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  margin: 3rem auto 0;
  max-width: 600px;
  box-shadow: var(--shadow-soft);
}
.schedule-box h4 { color: var(--primary-dark); margin-bottom: 0.5rem; }
.schedule-box p { font-size: 0.92rem; margin: 0; }

/* ===== FOOTER ===== */
.footer {
  background: #06101C;
  color: var(--text-light);
  padding: 2rem 0;
  text-align: center;
}
.footer p { color: rgba(255,255,255,0.35); font-size: 0.85rem; margin-bottom: 0.8rem; }

/* Smartizable Badge */
.smartizable-branding {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.5rem;
  text-decoration: none;
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 500;
  letter-spacing: 0.3px;
  padding: 6px 15px;
  border-radius: 50px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.3s ease;
}
.smartizable-branding:hover {
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}
.smartizable-branding .s-initial {
  font-family: 'Brush Script MT', cursive;
  font-size: 16px;
  font-weight: bold;
  margin-right: 1px;
  background: linear-gradient(135deg, #a78bfa, #60a5fa);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.smartizable-branding .smart-text {
  background: linear-gradient(90deg, #a78bfa, #60a5fa);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.4;
  transition: opacity 0.3s ease;
}
.smartizable-branding:hover .smart-text { opacity: 1; }

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up.delay-1 { transition-delay: 0.15s; }
.fade-up.delay-2 { transition-delay: 0.3s; }
.fade-up.delay-3 { transition-delay: 0.45s; }
.fade-up.delay-4 { transition-delay: 0.6s; }

/* ===== ABOUT PAGE ===== */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark), #102A4A);
  padding: 8rem 0 4rem;
  text-align: center;
  color: white;
}
.page-hero h1 { margin-bottom: 0.8rem; }
.page-hero p { color: var(--text-light); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

.bio-section { padding: 5rem 0; }
.bio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.bio-text p { font-size: 1.05rem; color: #4A5568; line-height: 1.9; }
.bio-text .highlight-text {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--primary-blue);
  border-left: 3px solid var(--accent-teal);
  padding-left: 1.2rem;
  margin: 1.5rem 0;
}
.bio-image img {
  width: 100%;
  max-width: 400px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* Credentials */
.credentials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.credential-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0,0,0,0.04);
  text-align: center;
  transition: var(--transition);
}
.credential-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.credential-card .icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(27,77,142,0.1), rgba(46,196,182,0.1));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 1rem;
}
.credential-card h4 { color: var(--primary-dark); margin-bottom: 0.5rem; }
.credential-card p { font-size: 0.9rem; }

/* Certifications */
.cert-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
.cert-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.cert-item .check { color: var(--accent-teal); font-weight: bold; }

/* FAQ Accordion */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: white;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.04);
}
.faq-question {
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  color: var(--primary-dark);
  transition: var(--transition);
}
.faq-question:hover { color: var(--accent-teal); }
.faq-question .toggle {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
  color: var(--accent-teal);
}
.faq-item.active .faq-question .toggle { transform: rotate(45deg); }
.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 1.2rem; font-size: 0.95rem; color: var(--text-muted); line-height: 1.8; }

/* ===== SERVICES PAGE ===== */
.service-block {
  background: white;
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0,0,0,0.04);
  margin-bottom: 2rem;
  transition: var(--transition);
}
.service-block:hover { box-shadow: var(--shadow-card); }
.service-block .service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
  color: white;
}
.service-block h3 { color: var(--primary-dark); margin-bottom: 0.8rem; }
.service-block .service-subtitle {
  font-weight: 600;
  color: var(--accent-teal);
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
}
.service-block ul {
  list-style: none;
  padding: 0;
}
.service-block ul li {
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.service-block ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-teal);
  font-weight: bold;
}
.service-note {
  background: linear-gradient(135deg, rgba(46,196,182,0.06), rgba(27,77,142,0.06));
  border-left: 4px solid var(--accent-teal);
  padding: 1.2rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 1.5rem;
}
.service-note p { color: var(--text-dark); margin: 0; font-size: 0.95rem; }

/* Testimonials */
.testimonials-carousel {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}
.testimonial-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  backdrop-filter: blur(10px);
}
.testimonial-item .quote {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.15rem;
  color: white;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.testimonial-item .author { color: var(--accent-teal); font-weight: 600; }

/* ===== PUBLICATIONS PAGE ===== */
.timeline { max-width: 800px; margin: 0 auto; position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-teal), var(--primary-blue));
}
.pub-item {
  padding-left: 70px;
  margin-bottom: 2rem;
  position: relative;
}
.pub-item::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 1.5rem;
  width: 16px;
  height: 16px;
  background: var(--accent-teal);
  border-radius: 50%;
  border: 3px solid var(--bg-cream);
  box-shadow: 0 0 0 3px var(--accent-teal);
}
.pub-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}
.pub-card:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-card);
}
.pub-card .year-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
  color: white;
  padding: 0.2rem 0.8rem;
  border-radius: var(--radius-xl);
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.pub-card h4 { color: var(--primary-dark); margin-bottom: 0.4rem; font-size: 1.05rem; }
.pub-card .journal { color: var(--text-muted); font-size: 0.88rem; font-style: italic; margin-bottom: 0.5rem; }
.pub-card .pub-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--accent-teal);
  font-weight: 600;
  font-size: 0.88rem;
}
.pub-card .pub-link:hover { color: var(--primary-blue); }

/* ===== GALLERY ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.gallery-grid img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
}
.gallery-grid img:hover { transform: scale(1.03); box-shadow: var(--shadow-card); }

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-content .subtitle { margin: 0 auto 2rem; }
  .hero-buttons { justify-content: center; }
  .hero-image { margin-top: 2rem; }
  .hero-image img { width: 300px; height: 360px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .video-categories { grid-template-columns: 1fr; }
  .locations-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .bio-grid { grid-template-columns: 1fr; }
  .credentials-grid { grid-template-columns: 1fr; }
  .cert-list { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .mobile-toggle { display: flex; }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    gap: 1rem;
  }
}
@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .stat-item h3 { font-size: 2rem; }
  .section-padding { padding: 4rem 0; }
  .hero { min-height: 80vh; }
  .gallery-grid { grid-template-columns: 1fr; }
}