/* ==========================================================================
   TOOTH FAIRY DENTAL CLINIC — DESIGN SYSTEM & STYLESHEET
   Perambur, Chennai, Tamil Nadu
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Tamil:wght@400;500;600&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* --- CSS Custom Properties / Tokens --- */
:root {
  /* Brand Palette (Derived from official signboard & clinical identity) */
  --color-brand-red: #C91F2C;
  --color-brand-dark-red: #941B25;
  --color-brand-crimson: #78131C;
  --color-canvas: #FFF9F5;
  --color-surface: #FFFFFF;
  --color-surface-soft: #F9EFEA;
  --color-blush: #F4E5E1;
  --color-rose-muted: #DF9B9D;
  --color-rose-tint: rgba(201, 31, 44, 0.06);

  /* Typography Colors */
  --color-ink: #221B1C;
  --color-ink-light: #4A3E40;
  --color-ink-muted: #74686A;
  --color-border: rgba(148, 27, 37, 0.14);
  --color-border-subtle: rgba(34, 27, 28, 0.08);

  /* Typography Stack */
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-tamil: 'Noto Sans Tamil', var(--font-sans);

  /* Spacing Scale */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;

  /* Container Max Width */
  --container-max: 1200px;
  --container-wide: 1320px;
  --container-padding: clamp(1rem, 3.5vw, 2.25rem);

  /* Transitions */
  --transition-fast: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-medium: 320ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Elevation Shadows */
  --shadow-subtle: 0 2px 8px rgba(34, 27, 28, 0.04);
  --shadow-card: 0 8px 24px rgba(34, 27, 28, 0.06);
  --shadow-hover: 0 16px 36px rgba(148, 27, 37, 0.12);
  --shadow-dropdown: 0 12px 32px rgba(34, 27, 28, 0.12);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  width: 100%;
  position: relative;
  padding-bottom: 0;
}

@media (max-width: 768px) {
  body {
    padding-bottom: 74px; /* Offset for fixed mobile action bar */
  }
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

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

ul, ol {
  list-style: none;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-brand-red);
  color: #fff;
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  z-index: 9999;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid #fff;
  outline-offset: 2px;
}

/* Focus Visible Utility */
:focus-visible {
  outline: 2.5px solid var(--color-brand-red);
  outline-offset: 3px;
}

/* --- Layout Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section {
  padding-top: clamp(3rem, 6vw, 5.5rem);
  padding-bottom: clamp(3rem, 6vw, 5.5rem);
  position: relative;
  width: 100%;
}

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

.section-cream {
  background-color: var(--color-canvas);
}

.section-brand {
  background-color: var(--color-brand-dark-red);
  color: #ffffff;
}

/* --- Responsive Split Grids (No Overflow) --- */
.split-grid-50-50 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4.5vw, 4rem);
  align-items: center;
  width: 100%;
}

.split-grid-dentist {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
  width: 100%;
}

.split-grid-contact {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 4.5vw, 4rem);
  align-items: start;
  width: 100%;
}

.three-col-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  width: 100%;
}

@media (max-width: 900px) {
  .split-grid-50-50,
  .split-grid-dentist,
  .split-grid-contact {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .three-col-cards {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* --- Typography System --- */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.18;
  color: var(--color-ink);
  letter-spacing: -0.015em;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.section-brand h1,
.section-brand h2,
.section-brand h3,
.section-brand h4 {
  color: #ffffff;
}

.text-display {
  font-size: clamp(2.1rem, 4.8vw, 3.85rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.text-title-1 {
  font-size: clamp(1.8rem, 3.4vw, 2.75rem);
  line-height: 1.18;
}

.text-title-2 {
  font-size: clamp(1.35rem, 2.3vw, 1.95rem);
  line-height: 1.25;
}

.text-lead {
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  line-height: 1.65;
  color: var(--color-ink-light);
  overflow-wrap: break-word;
}

.text-muted {
  color: var(--color-ink-muted);
}

.text-tamil {
  font-family: var(--font-tamil);
  letter-spacing: 0.01em;
}

/* Editorial Eyebrow Stamp */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-sans);
  font-size: clamp(0.7rem, 1.6vw, 0.78rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-red);
  margin-bottom: 0.85rem;
  line-height: 1.3;
  flex-wrap: wrap;
}

.section-brand .eyebrow {
  color: var(--color-rose-muted);
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 2px;
  background-color: currentColor;
  flex-shrink: 0;
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: rgba(255, 249, 245, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 18px rgba(34, 27, 28, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: clamp(4.2rem, 6.5vw, 5.25rem);
  width: 100%;
  gap: 1rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  min-width: 0;
  flex-shrink: 1;
}

.brand-logo-img {
  height: clamp(38px, 6vw, 46px);
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.2vw, 1.32rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-brand-red);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-sub {
  font-family: var(--font-sans);
  font-size: clamp(0.62rem, 1.2vw, 0.7rem);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-ink);
  text-transform: uppercase;
  margin-top: 2px;
  white-space: nowrap;
}

.brand-tamil {
  font-family: var(--font-tamil);
  font-size: 0.65rem;
  color: var(--color-ink-muted);
  line-height: 1;
  margin-top: 2px;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .brand-tamil {
    display: none; /* Keep header compact on very small phones */
  }
}

/* Nav Menu Desktop */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-shrink: 0;
}

.nav-desktop-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-ink);
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-brand-red);
  transition: width var(--transition-medium);
}

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

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

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 0.55rem;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mobile-nav-toggle svg {
  width: 22px;
  height: 22px;
}

@media (max-width: 960px) {
  .nav-desktop {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
  }
}

/* Mobile Nav Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(85vw, 360px);
  height: 100vh;
  background-color: #ffffff;
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.15);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem;
  transition: right var(--transition-medium);
}

.mobile-drawer.is-open {
  right: 0;
}

.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(34, 27, 28, 0.45);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
}

.mobile-drawer-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.mobile-drawer-close {
  background: transparent;
  border: none;
  font-size: 1.75rem;
  color: var(--color-ink);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  line-height: 1;
}

.mobile-drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: auto;
}

.mobile-drawer-link {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-ink);
  display: block;
}

.mobile-drawer-link.active {
  color: var(--color-brand-red);
}

.mobile-drawer-footer {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* --- Buttons & CTAs --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.8rem 1.5rem;
  font-size: 0.93rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  max-width: 100%;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background-color: var(--color-brand-red);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(201, 31, 44, 0.24);
}

.btn-primary:hover {
  background-color: var(--color-brand-dark-red);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(201, 31, 44, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-ink);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: #ffffff;
  border-color: var(--color-brand-red);
  color: var(--color-brand-red);
  transform: translateY(-2px);
}

.btn-white {
  background-color: #ffffff;
  color: var(--color-brand-dark-red);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.btn-white:hover {
  background-color: var(--color-canvas);
  color: var(--color-brand-red);
  transform: translateY(-2px);
}

.btn-ghost-white {
  background-color: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-ghost-white:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: #ffffff;
  color: #ffffff;
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
}

@media (max-width: 500px) {
  .btn {
    white-space: normal;
    text-align: center;
  }
}

/* --- Hero Components --- */
.hero-editorial {
  padding-top: clamp(2rem, 4vw, 4rem);
  padding-bottom: clamp(2.5rem, 5vw, 5rem);
  overflow: hidden;
  width: 100%;
}

.hero-editorial-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 4.5vw, 4rem);
  align-items: center;
  width: 100%;
}

.hero-content {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.hero-title {
  margin-bottom: 1.25rem;
}

.hero-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--color-brand-red);
}

.hero-description {
  margin-bottom: 2rem;
  max-width: 54ch;
}

.hero-cta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.25rem;
}

@media (max-width: 500px) {
  .hero-cta-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-cta-bar .btn {
    width: 100%;
  }
}

/* Consultation Hours & Location Stamp */
.hero-meta-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  width: 100%;
}

@media (max-width: 560px) {
  .hero-meta-strip {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.hero-meta-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  min-width: 0;
}

.hero-meta-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-soft);
  color: var(--color-brand-red);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-meta-icon svg {
  width: 18px;
  height: 18px;
}

.hero-meta-text {
  min-width: 0;
}

.hero-meta-text h3 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  margin-bottom: 2px;
}

.hero-meta-text p {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.35;
  overflow-wrap: break-word;
}

.hero-meta-text span.note-sunday {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-brand-red);
  margin-top: 2px;
}

/* Hero Media Frame */
.hero-media-wrapper {
  position: relative;
  width: 100%;
}

.hero-media-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(34, 27, 28, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.7);
  background-color: #ffffff;
  width: 100%;
}

.hero-media-card img {
  width: 100%;
  height: auto;
  max-height: 560px;
  object-fit: cover;
  object-position: top center;
  transition: transform var(--transition-slow);
}

.hero-media-card:hover img {
  transform: scale(1.02);
}

.hero-badge-float {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(148, 27, 37, 0.15);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-badge-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-badge-icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.hero-badge-text p.doc-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.2;
}

.hero-badge-text p.doc-qual {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--color-brand-red);
  letter-spacing: 0.03em;
}

@media (max-width: 900px) {
  .hero-editorial-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }
}

/* --- Trust / Proof Metric Bar --- */
.proof-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background-color: #ffffff;
  padding: 1.85rem 0;
  width: 100%;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: center;
  width: 100%;
}

@media (max-width: 860px) {
  .proof-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.proof-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--color-surface-soft);
  color: var(--color-brand-red);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.proof-icon svg {
  width: 20px;
  height: 20px;
}

.proof-content .proof-num {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.15;
}

.proof-content .proof-label {
  font-size: 0.8rem;
  color: var(--color-ink-muted);
  font-weight: 500;
}

/* --- Interactive Before & After Teeth Slider --- */
.comparison-section {
  background-color: #ffffff;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  width: 100%;
}

.comparison-wrapper {
  max-width: 920px;
  margin: 0 auto;
  width: 100%;
}

.comparison-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.25rem;
}

.comparison-box {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 580px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(34, 27, 28, 0.1);
  border: 1px solid var(--color-border);
  user-select: none;
  -webkit-user-select: none;
  cursor: ew-resize;
  background-color: #000;
  touch-action: pan-y;
}

.comparison-box:focus-visible {
  outline: 3px solid var(--color-brand-red);
  outline-offset: 3px;
}

.comparison-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  display: block;
}

.comparison-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
  -webkit-clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.comparison-overlay .comparison-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Slider Divider Line & Handle */
.comparison-slider-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background-color: #ffffff;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.4);
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 10;
}

.comparison-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 42px;
  height: 42px;
  background-color: var(--color-brand-red);
  color: #ffffff;
  border: 3px solid #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

.comparison-handle svg {
  width: 18px;
  height: 18px;
}

/* Badges for Before / After */
.comparison-tag {
  position: absolute;
  bottom: 1rem;
  padding: 0.35rem 0.75rem;
  background-color: rgba(34, 27, 28, 0.85);
  backdrop-filter: blur(6px);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  pointer-events: none;
  z-index: 10;
}

.comparison-tag-before {
  left: 1rem;
}

.comparison-tag-after {
  right: 1rem;
}

.comparison-instruction {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--color-ink-muted);
  margin-top: 1rem;
  font-weight: 500;
  text-align: center;
}

.comparison-instruction svg {
  width: 16px;
  height: 16px;
  color: var(--color-brand-red);
  flex-shrink: 0;
}

/* Accessibility Native Range Input */
.comparison-range-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 5;
  margin: 0;
  pointer-events: none;
}

/* --- Treatment Index / Cards --- */
.treatment-editorial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin-top: 2.25rem;
  width: 100%;
}

.treatment-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-medium);
  position: relative;
  min-width: 0;
}

.treatment-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-brand-red);
  box-shadow: var(--shadow-hover);
}

.treatment-card-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-brand-red);
  margin-bottom: 0.75rem;
  display: block;
}

.treatment-card-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.treatment-card-body {
  color: var(--color-ink-light);
  font-size: 0.94rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.treatment-card-footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.treatment-card-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-brand-red);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.treatment-card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.treatment-card:hover .treatment-card-link svg {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .treatment-editorial-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Review Quotes Section (Patient Experiences) --- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 2.25rem;
  width: 100%;
}

@media (max-width: 900px) {
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.review-card {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: relative;
  min-width: 0;
}

.review-card-stars {
  display: flex;
  gap: 3px;
  color: #E2A03F;
  margin-bottom: 1.15rem;
}

.review-card-stars svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.review-card-quote {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.55;
  color: var(--color-ink);
  margin-bottom: 1.5rem;
  flex-grow: 1;
  font-style: italic;
  overflow-wrap: break-word;
}

.review-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-subtle);
}

.review-author-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--color-surface-soft);
  color: var(--color-brand-red);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.review-author-info .author-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-ink);
}

.review-author-info .author-treatment {
  font-size: 0.76rem;
  color: var(--color-ink-muted);
}

/* --- Visit & Contact Summary Box --- */
.visit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: clamp(1.5rem, 4vw, 3rem);
  box-shadow: var(--shadow-card);
  width: 100%;
}

.visit-info-group {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0;
}

.visit-info-row {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  min-width: 0;
}

.visit-info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-soft);
  color: var(--color-brand-red);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.visit-info-icon svg {
  width: 20px;
  height: 20px;
}

.visit-info-detail {
  min-width: 0;
}

.visit-info-detail h4 {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  margin-bottom: 0.35rem;
}

.visit-info-detail p,
.visit-info-detail a {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.45;
  overflow-wrap: break-word;
}

.visit-info-detail a:hover {
  color: var(--color-brand-red);
}

.visit-hours-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
}

.visit-hours-table td {
  padding: 0.45rem 0;
  font-size: 0.9rem;
  border-bottom: 1px dashed var(--color-border-subtle);
}

.visit-hours-table td.day {
  font-weight: 600;
  color: var(--color-ink);
  width: 42%;
}

.visit-hours-table td.time {
  color: var(--color-ink-light);
  text-align: right;
}

.visit-hours-table td.time-special {
  color: var(--color-brand-red);
  font-weight: 700;
  text-align: right;
}

@media (max-width: 900px) {
  .visit-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* --- FAQ Accordions --- */
.faq-list {
  max-width: 820px;
  margin: 2.25rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  width: 100%;
}

.faq-item {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--color-brand-red);
}

.faq-summary {
  padding: 1.15rem 1.35rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  gap: 1rem;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-icon-arrow {
  width: 18px;
  height: 18px;
  color: var(--color-brand-red);
  transition: transform var(--transition-medium);
  flex-shrink: 0;
}

.faq-item[open] .faq-icon-arrow {
  transform: rotate(180deg);
}

.faq-body {
  padding: 0 1.35rem 1.15rem;
  color: var(--color-ink-light);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* --- Interactive Contact & Appointments Form --- */
.enquiry-form-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  box-shadow: var(--shadow-card);
  width: 100%;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  width: 100%;
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-label {
  display: block;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.45rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.78rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-size: 0.93rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-brand-red);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(201, 31, 44, 0.12);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.84rem;
  color: var(--color-ink-light);
  line-height: 1.45;
  cursor: pointer;
}

.form-checkbox-label input {
  margin-top: 3px;
  accent-color: var(--color-brand-red);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.form-disclaimer {
  background-color: var(--color-surface-soft);
  border-left: 3px solid var(--color-brand-red);
  padding: 0.85rem 1.15rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.8rem;
  color: var(--color-ink-light);
  line-height: 1.5;
  margin-top: 1.25rem;
}

.form-success-banner {
  display: none;
  background-color: #E8F5E9;
  border: 1px solid #A5D6A7;
  color: #1B5E20;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  margin-top: 1.5rem;
  font-size: 0.92rem;
  line-height: 1.5;
}

.form-success-banner.is-visible {
  display: block;
}

@media (max-width: 680px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Fixed Mobile Action Bar --- */
.mobile-action-bar {
  display: none;
}

@media (max-width: 768px) {
  .mobile-action-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    background-color: #ffffff;
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.08);
    z-index: 990;
    padding: 0.55rem 0.75rem calc(0.55rem + env(safe-area-inset-bottom, 0px));
    gap: 0.65rem;
  }

  .mobile-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.68rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.86rem;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .mobile-action-call {
    background-color: var(--color-brand-red);
    color: #ffffff;
  }

  .mobile-action-directions {
    background-color: var(--color-surface-soft);
    color: var(--color-ink);
    border: 1px solid var(--color-border);
  }
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-ink);
  color: #ffffff;
  padding-top: clamp(3.5rem, 6vw, 5rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
  border-top: 4px solid var(--color-brand-red);
  width: 100%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 3rem;
  width: 100%;
}

.footer-brand .footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.footer-brand .footer-logo-img {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-brand .footer-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: #ffffff;
  line-height: 1.1;
}

.footer-brand .footer-sub {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--color-rose-muted);
  text-transform: uppercase;
}

.footer-brand .footer-tamil {
  font-family: var(--font-tamil);
  font-size: 0.75rem;
  color: #DFA7A8;
  margin-top: 0.25rem;
}

.footer-desc {
  color: #B5A8AA;
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.footer-heading {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #ffffff;
  margin-bottom: 1.15rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 20px;
  height: 2px;
  background-color: var(--color-brand-red);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a {
  color: #B5A8AA;
  font-size: 0.9rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover {
  color: #ffffff;
  transform: translateX(3px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: #B5A8AA;
  font-size: 0.88rem;
  line-height: 1.5;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-brand-red);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-item a {
  color: #ffffff;
  font-weight: 600;
}

.footer-bottom {
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: #8C7F81;
  font-size: 0.8rem;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* --- Subtle Scroll Animations --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Respect Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}