/* =============================================
   DR. SERGE — HOLISTIC DENTIST VANCOUVER
   Design System & Component Styles
   ============================================= */

/* --- Design Tokens --- */
:root, [data-theme="light"] {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  /* 4px Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Surfaces — Warm cream/ivory */
  --color-bg:             #faf9f6;
  --color-surface:        #ffffff;
  --color-surface-2:      #f5f3ef;
  --color-surface-offset: #edeae4;
  --color-divider:        #ddd9d2;
  --color-border:         #d0ccc4;

  /* Text */
  --color-text:           #2c2a24;
  --color-text-muted:     #6b6860;
  --color-text-faint:     #a5a29b;
  --color-text-inverse:   #faf9f6;

  /* Primary — Sage green (holistic/wellness) */
  --color-primary:        #4a7c6f;
  --color-primary-hover:  #3d6a5e;
  --color-primary-active: #2f5549;
  --color-primary-light:  #e8f0ec;

  /* Accent — Warm gold (cosmetic excellence) */
  --color-accent:         #b08d57;
  --color-accent-hover:   #9a7a49;
  --color-accent-light:   #f5efe4;

  /* Error / Warning */
  --color-error:          #c4443c;
  --color-success:        #4a7c6f;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0.2 0.02 80 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.02 80 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.2 0.02 80 / 0.12);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;
}

/* Dark mode */
[data-theme="dark"] {
  --color-bg:             #1a1917;
  --color-surface:        #222120;
  --color-surface-2:      #2a2928;
  --color-surface-offset: #1e1d1b;
  --color-divider:        #333230;
  --color-border:         #3d3c3a;
  --color-text:           #d9d7d2;
  --color-text-muted:     #8a8780;
  --color-text-faint:     #5a5855;
  --color-text-inverse:   #1a1917;
  --color-primary:        #6faa98;
  --color-primary-hover:  #8abfae;
  --color-primary-active: #5a9484;
  --color-primary-light:  #2a3530;
  --color-accent:         #d4ac6e;
  --color-accent-hover:   #e0bf87;
  --color-accent-light:   #3a3225;
  --color-error:          #e06b64;
  --color-success:        #6faa98;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #1a1917;
    --color-surface:        #222120;
    --color-surface-2:      #2a2928;
    --color-surface-offset: #1e1d1b;
    --color-divider:        #333230;
    --color-border:         #3d3c3a;
    --color-text:           #d9d7d2;
    --color-text-muted:     #8a8780;
    --color-text-faint:     #5a5855;
    --color-text-inverse:   #1a1917;
    --color-primary:        #6faa98;
    --color-primary-hover:  #8abfae;
    --color-primary-active: #5a9484;
    --color-primary-light:  #2a3530;
    --color-accent:         #d4ac6e;
    --color-accent-hover:   #e0bf87;
    --color-accent-light:   #3a3225;
    --color-error:          #e06b64;
    --color-success:        #6faa98;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
  }
}

/* --- Typography --- */
h1 { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 500; letter-spacing: -0.02em; }
h2 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 500; letter-spacing: -0.01em; }
h3 { font-size: var(--text-lg); font-weight: 600; }
h4 { font-size: var(--text-base); font-weight: 600; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }

/* --- Layout --- */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
}

/* --- Header / Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.site-header--scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}
.logo svg { flex-shrink: 0; }
.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.logo-sub {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: var(--space-1);
  list-style: none;
}
.nav-links a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.btn-book {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.btn-book:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-book:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.mobile-menu-btn {
  display: none;
  padding: var(--space-2);
  color: var(--color-text);
}

.theme-toggle {
  padding: var(--space-2);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-bg);
  padding: var(--space-20) var(--space-6) var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive);
}
.mobile-nav a:hover { background: var(--color-surface-2); }
.mobile-nav .btn-book {
  margin-top: var(--space-4);
  justify-content: center;
  padding: var(--space-4);
  font-size: var(--text-base);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-surface-2);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, oklch(from var(--color-bg) l c h / 0.85) 0%, oklch(from var(--color-bg) l c h / 0.4) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-16) var(--space-4);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-6);
}
.hero h1 {
  font-size: var(--text-3xl);
  max-width: 16ch;
  margin-bottom: var(--space-4);
}
.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 48ch;
  margin-bottom: var(--space-8);
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: transparent;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--transition-interactive), border-color var(--transition-interactive), transform var(--transition-interactive);
}
.btn-secondary:hover {
  background: var(--color-surface);
  border-color: var(--color-text-muted);
  color: var(--color-text);
  transform: translateY(-1px);
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.btn-accent:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* --- Trust Bar --- */
.trust-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-4) 0;
}
.trust-items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}
.trust-item i { color: var(--color-primary); }

/* --- Service Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--space-6);
}
.service-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive), border-color var(--transition-interactive);
  text-decoration: none;
  color: var(--color-text);
  display: block;
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-primary);
  color: var(--color-text);
}
.service-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.service-card h3 {
  margin-bottom: var(--space-2);
}
.service-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}
.service-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

/* --- Dual Feature (Holistic + Cosmetic) --- */
.dual-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
.feature-block {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
}
.feature-block img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}
.feature-block-content {
  padding: var(--space-8);
}
.feature-block-content h2 {
  margin-bottom: var(--space-3);
}
.feature-block-content p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

/* --- Testimonials --- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(350px, 100%), 1fr));
  gap: var(--space-6);
}
.testimonial-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.testimonial-quote {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  font-style: italic;
}
.testimonial-author {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}
.testimonial-stars {
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
}

/* --- Video Section --- */
.video-embed {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-2);
}
.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* --- FAQ Accordion --- */
.accordion { border: 1px solid var(--color-divider); border-radius: var(--radius-lg); overflow: hidden; }
.accordion-item { border-bottom: 1px solid var(--color-divider); }
.accordion-item:last-child { border-bottom: none; }
.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: left;
  color: var(--color-text);
  cursor: pointer;
  background: var(--color-surface);
  transition: background var(--transition-interactive);
}
.accordion-trigger:hover { background: var(--color-surface-2); }
.accordion-trigger svg {
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out);
}
.accordion-item.open .accordion-trigger svg { transform: rotate(180deg); }
.accordion-body {
  display: none;
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-text-muted);
  line-height: 1.7;
}
.accordion-item.open .accordion-body { display: block; }

/* --- CTA Banner --- */
.cta-banner {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-8);
  text-align: center;
}
.cta-banner h2 {
  color: var(--color-text-inverse);
  margin-bottom: var(--space-3);
}
.cta-banner p {
  color: oklch(from var(--color-text-inverse) l c h / 0.8);
  max-width: 48ch;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}
.cta-banner .btn-primary {
  background: #fff;
  color: var(--color-primary);
}
.cta-banner .btn-primary:hover {
  background: var(--color-surface-2);
  color: var(--color-primary-hover);
}

/* --- Contact Form --- */
.contact-form {
  display: grid;
  gap: var(--space-4);
}
.form-group { display: flex; flex-direction: column; gap: var(--space-1); }
.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.12);
  outline: none;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }

/* --- Footer --- */
.site-footer {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-16) 0 var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}
.footer-brand p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-3);
  max-width: 30ch;
  line-height: 1.6;
}
.footer-heading {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  flex-wrap: wrap;
  gap: var(--space-2);
}
.footer-social {
  display: flex;
  gap: var(--space-3);
}
.footer-social a {
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}
.footer-social a:hover { color: var(--color-primary); }

/* --- Page Header --- */
.page-header {
  background: var(--color-surface-2);
  padding: var(--space-16) 0 var(--space-12);
  text-align: center;
}
.page-header h1 { margin-bottom: var(--space-3); }
.page-header p {
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-inline: auto;
  font-size: var(--text-lg);
}

/* --- Content Sections --- */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.content-grid.reverse { direction: rtl; }
.content-grid.reverse > * { direction: ltr; }
.content-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.content-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

/* Bullet list styling */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.feature-list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  line-height: 1.6;
}
.feature-list li i {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 3px;
}

/* Stat counters */
.stats-row {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.stat {
  text-align: center;
}
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-primary);
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Scroll animations */
.fade-in { opacity: 1; }
@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}
@keyframes reveal-fade { to { opacity: 1; } }

/* --- Before/After Gallery --- */
.gallery-category {
  margin-bottom: var(--space-8);
}
.gallery-category-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent-light);
  border-radius: var(--radius-full);
}

/* Before/After pair (two separate images side by side) */
.ba-pair-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-6);
}
.ba-pair-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.ba-image-wrap {
  position: relative;
  overflow: hidden;
}
.ba-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
  display: block;
}
.ba-label {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  z-index: 2;
}
.ba-label--before {
  background: oklch(0.3 0 0 / 0.7);
  color: #fff;
  backdrop-filter: blur(4px);
}
.ba-label--after {
  background: oklch(from var(--color-primary) l c h / 0.85);
  color: #fff;
  backdrop-filter: blur(4px);
}
.ba-pair-info {
  padding: var(--space-5) var(--space-6);
}
.ba-pair-info h4 {
  margin-bottom: var(--space-1);
}
.ba-pair-info p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Composite gallery cards (side-by-side panels in single image) */
.ba-composite-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-4);
}
.ba-composite-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.ba-composite-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.ba-composite-card img {
  width: 100%;
  height: auto;
  display: block;
}
.ba-composite-caption {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
}

/* Inline testimonials between gallery sections */
.ba-testimonial {
  margin: var(--space-8) 0;
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.ba-testimonial-quote {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}
.ba-testimonial-quote blockquote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  line-height: 1.6;
  color: var(--color-text);
  margin: var(--space-3) 0 var(--space-4);
}
.ba-testimonial-author {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .dual-feature { grid-template-columns: 1fr; }
  .content-grid { grid-template-columns: 1fr; }
  .content-grid.reverse { direction: ltr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: var(--text-2xl); }
  .stats-row { gap: var(--space-6); }
  .trust-items { gap: var(--space-4); }
  .hero { min-height: 60vh; }
  .ba-composite-grid { grid-template-columns: 1fr; }
  .ba-testimonial-quote blockquote { font-size: var(--text-base); }
  .ba-pair-info { padding: var(--space-4); }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions a { text-align: center; justify-content: center; }
  .trust-items { flex-direction: column; gap: var(--space-2); }
}

/* =============================================
   NEW SECTIONS — Homepage Enhancements
   ============================================= */

/* --- 1. Hero Enhancements --- */
.hero-info-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-2) var(--space-4);
  background: oklch(from var(--color-primary) l c h / 0.9);
  color: #fff;
  font-size: var(--text-xs);
  backdrop-filter: blur(8px);
}
.hero-info-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}
.hero-info-item a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}
.hero-info-item a:hover { text-decoration: underline; }

.hero-content--split {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-12);
  align-items: center;
  width: 100%;
  padding-top: var(--space-20);
}
.hero-text {
  /* inherits from hero-content styles */
}
.hero-subtext {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.hero-subtext i { color: var(--color-primary); flex-shrink: 0; }

.hero-form-card {
  background: oklch(from var(--color-surface) l c h / 0.95);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
}
.hero-form-card h3 {
  font-family: var(--font-display);
  margin-bottom: var(--space-1);
}
.hero-form-card > p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.hero-quick-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.hero-quick-form input {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.hero-quick-form input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.12);
  outline: none;
}

/* --- 2. Trust Bar Enhanced --- */
.trust-bar--enhanced {
  padding: var(--space-5) 0;
}
.trust-bar--enhanced .trust-item {
  gap: var(--space-3);
  color: var(--color-text);
}
.trust-bar--enhanced .trust-item strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.2;
}
.trust-bar--enhanced .trust-item span {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 400;
}

/* --- 3. Why Choose Us --- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}
.why-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.why-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
}
.why-item h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}
.why-item p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* --- 4. Dentist Bio --- */
.bio-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
  align-items: center;
}
.bio-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.bio-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 4/5;
}
.bio-content h2 {
  margin-bottom: var(--space-4);
}
.bio-lead {
  font-size: var(--text-lg);
  color: var(--color-primary);
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: var(--space-4);
}
.bio-content > p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.bio-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.credential-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}
.credential-item i { color: var(--color-accent); }
.bio-community {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
}
.bio-community i { color: var(--color-primary); flex-shrink: 0; }

/* --- 5. Testimonial Carousel --- */
.carousel-wrapper {
  max-width: 720px;
  margin-inline: auto;
}
.carousel-viewport {
  overflow: hidden;
  border-radius: var(--radius-xl);
}
.carousel-track {
  display: flex;
  transition: transform 0.5s var(--ease-out);
}
.carousel-slide {
  flex: 0 0 100%;
  min-width: 0;
  padding: 0 var(--space-2);
  box-sizing: border-box;
}
.testimonial-card--carousel {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  border: none;
  background: transparent;
}
.testimonial-card--carousel .testimonial-quote {
  font-size: var(--text-lg);
  font-family: var(--font-display);
  max-width: 52ch;
  margin-inline: auto;
}
.testimonial-card--carousel .testimonial-stars {
  font-size: var(--text-lg);
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-4);
}
.carousel-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-interactive), border-color var(--transition-interactive);
}
.carousel-btn:hover {
  background: var(--color-surface-2);
  border-color: var(--color-primary);
}
.carousel-dots {
  display: flex;
  gap: var(--space-2);
}
.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
  padding: 0;
}
.carousel-dot.active {
  background: var(--color-primary);
  transform: scale(1.3);
}
.carousel-dot:hover {
  background: var(--color-primary-hover);
}

/* --- 6. Services Categories --- */
.services-category {
  margin-bottom: var(--space-10);
}
.services-category-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-light);
  border-radius: var(--radius-full);
}
.services-cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-5);
}

/* --- 7. New Patient Steps --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}
.step-card {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-xl);
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.step-card h3 {
  margin-bottom: var(--space-2);
}
.step-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.new-patient-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  padding: var(--space-6);
  background: var(--color-surface-2);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-divider);
}
.npd-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.npd-item i {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}
.npd-item strong {
  display: block;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}
.npd-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- 8. Special Offers / Promos --- */
.promos-section {
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-surface) 100%);
  border-top: 3px solid var(--color-accent);
}
.promos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.promo-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-accent) l c h / 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  position: relative;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.promo-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.promo-card--featured {
  border-color: var(--color-accent);
  border-width: 2px;
  box-shadow: var(--shadow-md);
}
.promo-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}
.promo-card h3 {
  font-family: var(--font-display);
  margin-bottom: var(--space-2);
}
.promo-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

/* --- 9. Gallery Preview --- */
.gallery-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.gallery-preview-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.gallery-preview-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.gallery-preview-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}
.gallery-preview-caption {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: center;
  color: var(--color-text);
}

/* --- 10. Virtual Consult --- */
.virtual-consult-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.vc-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.vc-step {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.vc-step .step-number {
  width: 40px;
  height: 40px;
  font-size: var(--text-base);
  flex-shrink: 0;
  margin-bottom: 0;
}
.vc-step strong {
  display: block;
  margin-bottom: var(--space-1);
}
.vc-step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.vc-form-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.vc-form-card h3 {
  font-family: var(--font-display);
  margin-bottom: var(--space-5);
}

/* --- 11. Location / Map --- */
.location-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-divider);
  background: var(--color-surface-2);
}
.location-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.location-detail {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.location-detail i {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}
.location-detail strong {
  display: block;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}
.location-detail p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}
.location-detail a {
  color: var(--color-primary);
}

/* --- 12. Appointment Form --- */
.appointment-form-wrapper {
  max-width: 720px;
  margin-inline: auto;
}
.appointment-form {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}
.appointment-form select {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  appearance: auto;
}
.appointment-form select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.12);
  outline: none;
}

/* --- 14. Sticky Mobile Bar --- */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: var(--space-2) var(--space-3);
  background: oklch(from var(--color-bg) l c h / 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-divider);
  gap: var(--space-2);
  transform: translateY(100%);
  transition: transform 0.3s var(--ease-out);
}
.mobile-sticky-bar.visible {
  transform: translateY(0);
}
.mobile-sticky-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  flex: 1;
  min-height: 44px;
  transition: background var(--transition-interactive);
}
.mobile-sticky-btn--phone {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}
.mobile-sticky-btn--book {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.mobile-sticky-btn--book:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
}

/* --- Responsive — New Sections --- */
@media (max-width: 1024px) {
  .hero-content--split {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .hero-form-card {
    max-width: 420px;
  }
  .bio-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .bio-image {
    max-width: 500px;
  }
  .virtual-consult-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .location-grid {
    grid-template-columns: 1fr;
  }
  .map-container {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .hero-info-bar {
    gap: var(--space-3);
    flex-wrap: wrap;
    justify-content: center;
  }
  .hero-info-item:nth-child(3) { display: none; }
  .why-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .new-patient-details {
    grid-template-columns: 1fr;
  }
  .promos-grid {
    grid-template-columns: 1fr;
  }
  .gallery-preview-grid {
    grid-template-columns: 1fr;
  }
  .gallery-preview-card img {
    height: 200px;
  }
  .services-cat-grid {
    grid-template-columns: 1fr;
  }
  .mobile-sticky-bar {
    display: flex;
  }
  /* Extra bottom padding so content isn't hidden behind sticky bar */
  .site-footer {
    padding-bottom: calc(var(--space-8) + 70px);
  }
}

@media (max-width: 480px) {
  .hero-info-bar {
    font-size: 0.7rem;
    gap: var(--space-2);
  }
  .carousel-slide { padding: 0; }
  .testimonial-card--carousel { padding: var(--space-6) var(--space-3); }
  .testimonial-card--carousel .testimonial-quote { font-size: var(--text-base); }
  .appointment-form { padding: var(--space-5); }
  .promo-card { padding: var(--space-5); }
}