/* ==========================================================================
   LUMA DENTAL HOUSE — REFINED BRAND & RESPONSIVE STYLESHEET
   Location: Besant Nagar / Adyar, Chennai
   Aesthetic: Warm Ivory, Sage, Muted Teal, Soft Peach, Dark Forest
   Fully responsive, accessible, zero horizontal overflow, pixel-perfect alignment
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   -------------------------------------------------------------------------- */
:root {
  /* Surface & Background Colors */
  --color-bg-base: #FBF9F5;          /* Warm Ivory */
  --color-bg-subtle: #F4EFE6;        /* Soft Sand / Cream */
  --color-bg-card: #FFFFFF;          /* Pure Card White */
  --color-bg-card-warm: #FAF6EF;     /* Tinted Card Ivory */
  --color-bg-peach: #F6ECE2;         /* Soft Peach Tint */
  --color-bg-sage-light: #EBF1ED;    /* Pale Sage Wash */
  --color-bg-dark: #16261F;          /* Dark Forest Section Background */
  --color-bg-dark-surface: #1E332B;  /* Deep Forest Elevated */

  /* Primary Brand & Accents */
  --color-sage: #3E6251;             /* Calming Sage Green */
  --color-sage-deep: #2D4A3C;        /* Deep Sage Hover */
  --color-sage-light: #5A8170;       /* Lighter Sage */
  --color-teal: #2A5860;             /* Muted Coastal Teal */
  --color-teal-light: #3D727C;       /* Light Muted Teal */
  --color-peach: #E4C8B4;            /* Soft Natural Peach */
  --color-terracotta: #B95B41;       /* Warm Terracotta / Gentle Alert */

  /* Typography Colors */
  --color-text-primary: #17261F;     /* Deep Forest Charcoal */
  --color-text-secondary: #475850;   /* Muted Slate Moss */
  --color-text-muted: #72827A;       /* Soft Ash Green */
  --color-text-inverse: #FBF9F5;     /* Warm Ivory Text on Dark */
  --color-text-inverse-muted: #CBD8D1;/* Light Sage Text on Dark */

  /* Borders & Dividers */
  --color-border-subtle: #E8E2D6;    /* Warm Delicate Border */
  --color-border-focus: #3E6251;     /* Sage Focus Outline */
  --color-border-dark: #2C4238;      /* Deep Border for Dark Sections */

  /* Typography Stack */
  --font-serif: 'Lora', 'Georgia', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Typography Scale (Responsive, bounded clamp) */
  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.85rem, 0.82rem + 0.18vw, 0.9375rem);
  --text-base: clamp(0.95rem, 0.92rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.05rem, 1rem + 0.25vw, 1.25rem);
  --text-xl: clamp(1.2rem, 1.12rem + 0.4vw, 1.45rem);
  --text-2xl: clamp(1.4rem, 1.3rem + 0.6vw, 1.85rem);
  --text-3xl: clamp(1.75rem, 1.55rem + 1vw, 2.35rem);
  --text-4xl: clamp(2.1rem, 1.85rem + 1.3vw, 2.95rem);
  --text-hero: clamp(2.15rem, 1.85rem + 1.6vw, 3.65rem);

  /* 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;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 860px;
  --header-height: 80px;

  /* Elevation & Shadows */
  --shadow-sm: 0 2px 8px rgba(22, 38, 31, 0.04);
  --shadow-md: 0 8px 24px rgba(22, 38, 31, 0.06);
  --shadow-lg: 0 16px 40px rgba(22, 38, 31, 0.08);

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 160ms cubic-bezier(0.2, 0.0, 0.2, 1);
  --transition-smooth: 280ms cubic-bezier(0.2, 0.0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. RESET & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text-primary);
  background-color: var(--color-bg-base);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  width: 100%;
}

@media (max-width: 959px) {
  body {
    padding-bottom: 74px; /* Space for mobile sticky action bar */
  }
}

:focus-visible {
  outline: 2.5px solid var(--color-sage);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-sage);
  color: var(--color-text-inverse);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 500;
  transition: top var(--transition-fast);
  text-decoration: none;
}
.skip-link:focus {
  top: 1rem;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text-primary);
  letter-spacing: -0.015em;
  text-wrap: balance;
  overflow-wrap: break-word;
  word-break: normal;
}

h1 { font-size: var(--text-hero); letter-spacing: -0.025em; line-height: 1.12; }
h2 { font-size: var(--text-3xl); letter-spacing: -0.02em; line-height: 1.2; }
h3 { font-size: var(--text-xl); letter-spacing: -0.01em; line-height: 1.28; }
h4 { font-size: var(--text-lg); letter-spacing: -0.005em; line-height: 1.35; }

p {
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
  text-wrap: pretty;
  overflow-wrap: break-word;
}

p:last-child {
  margin-bottom: 0;
}

.text-lead {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-text-secondary);
  font-weight: 350;
  max-width: 62ch;
}

.prose-measure {
  max-width: 65ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-sage);
  margin-bottom: 0.75rem;
  max-width: 100%;
}

.eyebrow-pill {
  background-color: var(--color-bg-sage-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-sage);
  flex-shrink: 0;
}

.eyebrow-pill::before {
  display: none;
}

/* --------------------------------------------------------------------------
   4. LAYOUT & CONTAINERS
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (max-width: 640px) {
  .container {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
}

.section-tight {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

@media (max-width: 768px) {
  .section {
    padding-top: 3.25rem;
    padding-bottom: 3.25rem;
  }
  .section-tight {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }
}

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

.section-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}
.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-text-inverse);
}
.section-dark p {
  color: var(--color-text-inverse-muted);
}

/* --------------------------------------------------------------------------
   5. BUTTONS & INTERACTION
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.5rem;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius-pill);
  transition: all var(--transition-smooth);
  text-align: center;
  cursor: pointer;
  white-space: nowrap;
  box-sizing: border-box;
}

.btn svg {
  width: 1.1em;
  height: 1.1em;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

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

.btn-primary {
  background-color: var(--color-sage);
  color: #FFFFFF;
  border: 1px solid var(--color-sage);
  box-shadow: 0 4px 14px rgba(62, 98, 81, 0.22);
}

.btn-primary:hover {
  background-color: var(--color-sage-deep);
  border-color: var(--color-sage-deep);
  box-shadow: 0 6px 18px rgba(45, 74, 60, 0.28);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: #FFFFFF;
  border-color: var(--color-text-primary);
}

.btn-emergency {
  background-color: #FDF3F0;
  color: var(--color-terracotta);
  border: 1px solid rgba(185, 91, 65, 0.3);
  font-size: var(--text-xs);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
}
.btn-emergency:hover {
  background-color: #F9E7E2;
}

/* --------------------------------------------------------------------------
   6. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.emergency-bar {
  background-color: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 0.45rem 1rem;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}
.emergency-bar-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  text-align: center;
}
@media (max-width: 640px) {
  .emergency-bar {
    display: none; /* Keep mobile clean, handled by sticky bottom bar */
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(251, 249, 245, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(232, 226, 214, 0.75);
  height: var(--header-height);
  transition: all var(--transition-smooth);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background-color: rgba(251, 249, 245, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

/* Brand Logo */
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--color-bg-sage-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-sage);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  line-height: 1.1;
  white-space: nowrap;
}

.brand-tagline {
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 0.15rem;
  white-space: nowrap;
}

/* Navigation Links (Desktop) */
.main-nav {
  display: none;
}

@media (min-width: 960px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 450;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.35rem 0.2rem;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-primary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-sage);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.header-contact-link {
  display: none;
  font-size: 0.8rem;
  color: var(--color-text-primary);
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  white-space: nowrap;
}

@media (min-width: 1120px) {
  .header-contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
  }
}

/* Header CTA - Hide on mobile so hamburger is never pushed off-screen */
.header-cta {
  display: none;
}

@media (min-width: 960px) {
  .header-cta {
    display: inline-flex;
  }
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  flex-shrink: 0;
}

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

.mobile-nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.mobile-nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg-base);
  padding: 1.5rem 1.25rem 6rem;
  transform: translateX(100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform var(--transition-smooth), visibility var(--transition-smooth);
  z-index: 99;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

@media (min-width: 540px) and (max-width: 959px) {
  .mobile-nav-drawer {
    left: auto;
    right: 0;
    width: 380px;
    box-shadow: -12px 0 40px rgba(22, 38, 31, 0.14);
    border-left: 1px solid var(--color-border-subtle);
  }
}

.mobile-nav-drawer.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.mobile-nav-links .nav-link {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 0.65rem;
}

.mobile-clinic-info {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   7. HERO COMPOSITION
   -------------------------------------------------------------------------- */
.hero {
  padding-top: clamp(2rem, 1.5rem + 2vw, 4rem);
  padding-bottom: clamp(2.5rem, 2rem + 3vw, 5rem);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
  }
}

.hero-content {
  max-width: 620px;
}

.hero-title {
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  font-weight: 350;
}

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

@media (max-width: 540px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
}

.hero-trust-indicators {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border-subtle);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.trust-item svg {
  color: var(--color-sage);
  flex-shrink: 0;
}

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

.hero-media-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  aspect-ratio: 4 / 3;
}

.hero-media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero-floating-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  max-width: 280px;
  border: 1px solid rgba(232, 226, 214, 0.85);
}

@media (max-width: 640px) {
  .hero-floating-badge {
    position: static;
    margin-top: 1rem;
    max-width: 100%;
    box-shadow: var(--shadow-sm);
  }
}

.hero-floating-badge h4 {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.2rem;
}

.hero-floating-badge p {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.45;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   8. TRUST & VALUE SYSTEM
   -------------------------------------------------------------------------- */
.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 640px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .trust-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.trust-card {
  background-color: var(--color-bg-card);
  padding: 2rem 1.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.trust-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.trust-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background-color: var(--color-bg-sage-light);
  color: var(--color-sage);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.trust-card h3 {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  margin-bottom: 0.75rem;
  color: var(--color-text-primary);
}

.trust-card p {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   9. SERVICES / TREATMENTS DIRECTORY
   -------------------------------------------------------------------------- */
.services-header {
  max-width: 700px;
  margin-bottom: 3rem;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.service-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  padding: 1.85rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
  position: relative;
}

.service-card:hover {
  border-color: var(--color-sage);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.service-card.featured {
  border-color: rgba(62, 98, 81, 0.28);
  background-color: #FAF8F4;
  box-shadow: 0 4px 20px rgba(62, 98, 81, 0.05);
}

.service-card.featured::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-sage);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--color-bg-sage-light);
  color: var(--color-sage);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  width: fit-content;
  margin-bottom: 0.65rem;
}

.service-icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-subtle);
  color: var(--color-sage);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.15rem;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-bg-subtle);
  padding-top: 0.85rem;
}

.service-link {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-sage);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.service-link:hover {
  text-decoration: underline;
}

/* Category Filter Bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.25rem;
}

.filter-btn {
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-sage);
  color: var(--color-text-primary);
}

.filter-btn.active {
  background-color: var(--color-sage);
  border-color: var(--color-sage);
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   10. PATIENT JOURNEY 01 - 06 (Editorial Timeline Progression)
   -------------------------------------------------------------------------- */
.journey-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem 2rem;
  margin-top: 3.25rem;
}

@media (min-width: 640px) {
  .journey-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem 2.5rem;
  }
}

@media (min-width: 1024px) {
  .journey-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 3.5rem 3rem;
  }
}

.journey-step {
  background: transparent;
  border-top: 1.5px solid var(--color-border-subtle);
  border-left: none;
  border-right: none;
  border-bottom: none;
  border-radius: 0;
  padding: 1.75rem 0 0;
  position: relative;
  transition: border-color var(--transition-smooth);
}

.journey-step:hover {
  border-top-color: var(--color-sage);
}

.step-num {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  color: var(--color-sage);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 0.85rem;
  font-weight: 400;
  letter-spacing: -0.03em;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.journey-step:hover .step-num {
  opacity: 0.9;
  color: var(--color-sage);
}

.journey-step h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 0.65rem;
  color: var(--color-text-primary);
  letter-spacing: -0.015em;
}

.journey-step p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   11. CLINIC EXPERIENCE SHOWCASE
   -------------------------------------------------------------------------- */
.experience-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 2.5rem;
}

@media (min-width: 768px) {
  .experience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.experience-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-sm);
}

.experience-card-media {
  height: 220px;
  overflow: hidden;
  background-color: var(--color-bg-subtle);
  position: relative;
}

.experience-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

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

.experience-card-body {
  padding: 1.5rem;
}

.experience-card-body h3 {
  font-size: 1.2rem;
  margin-bottom: 0.45rem;
}

.experience-card-body p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   12. MEET THE TEAM / CLINICIANS (CLEAN ALIGNMENT)
   -------------------------------------------------------------------------- */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.doctor-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
}

.doctor-media {
  height: 300px;
  overflow: hidden;
  background-color: var(--color-bg-subtle);
  position: relative;
}

.doctor-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.doctor-content {
  padding: 1.65rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.doctor-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.doctor-role {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-sage);
  margin-bottom: 0.85rem;
}

.doctor-bio {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.doctor-focus {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-bg-subtle);
  padding-top: 0.75rem;
}

/* Detailed Doctor Profile Rows on dentists.html */
.doctor-profile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  align-items: start;
}

@media (min-width: 720px) {
  .doctor-profile-grid {
    grid-template-columns: 300px 1fr;
    gap: 2.75rem;
  }
  .doctor-profile-grid.reverse > :first-child {
    order: 2;
  }
  .doctor-profile-grid.reverse > :last-child {
    order: 1;
  }
}

@media (min-width: 960px) {
  .doctor-profile-grid {
    grid-template-columns: 380px 1fr;
    gap: 3.5rem;
  }
}

.doctor-portrait-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-bg-subtle);
  aspect-ratio: 4 / 5;
  max-width: 420px;
  margin: 0 auto;
  width: 100%;
}

.doctor-portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

/* --------------------------------------------------------------------------
   13. FAQ ACCORDIONS
   -------------------------------------------------------------------------- */
.faq-list {
  max-width: 820px;
  margin: 2rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.faq-item {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-sage);
}

.faq-trigger {
  width: 100%;
  padding: 1.35rem 1.5rem;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-text-primary);
  background: transparent;
  cursor: pointer;
}

.faq-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--color-sage);
  transition: transform var(--transition-smooth);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
  padding: 0 1.5rem;
}

.faq-item.active .faq-content {
  padding-bottom: 1.5rem;
}

.faq-content p {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   14. APPOINTMENT BOOKING WIZARD & FORMS
   -------------------------------------------------------------------------- */
.booking-container {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-lg);
  padding: clamp(1.5rem, 1.25rem + 1.5vw, 2.75rem);
  max-width: 760px;
  margin: 0 auto;
  box-sizing: border-box;
}

.booking-progress {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-bottom: 2.25rem;
  width: 100%;
}

.booking-progress::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 15%;
  right: 15%;
  height: 2px;
  background-color: var(--color-border-subtle);
  z-index: 1;
}

.progress-step {
  position: relative;
  z-index: 2;
  background-color: var(--color-bg-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0 0.5rem;
}

.step-indicator {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-bg-subtle);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 600;
  border: 2px solid var(--color-border-subtle);
  transition: all var(--transition-fast);
}

.progress-step.current .step-indicator {
  background-color: var(--color-sage);
  border-color: var(--color-sage);
  color: #FFFFFF;
}

.progress-step.completed .step-indicator {
  background-color: var(--color-sage-deep);
  border-color: var(--color-sage-deep);
  color: #FFFFFF;
}

.step-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.progress-step.current .step-label {
  color: var(--color-text-primary);
  font-weight: 600;
}

/* Form Fields */
.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  margin-bottom: 0.45rem;
}

.form-control {
  width: 100%;
  padding: 0.8rem 0.95rem;
  background-color: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-sizing: border-box;
}

.form-control:focus {
  border-color: var(--color-sage);
  outline: none;
  box-shadow: 0 0 0 3px rgba(62, 98, 81, 0.15);
  background-color: #FFFFFF;
}

.form-control.error {
  border-color: var(--color-terracotta);
}

.form-error-msg {
  font-size: var(--text-xs);
  color: var(--color-terracotta);
  margin-top: 0.35rem;
  display: none;
}

.form-control.error + .form-error-msg {
  display: block;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* Radio / Choice Pills with Active Indicator */
.choice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 480px) {
  .choice-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.choice-option {
  position: relative;
}

.choice-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.choice-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1.1rem;
  background-color: var(--color-bg-base);
  border: 1.5px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.choice-indicator {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.choice-indicator::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-sage);
  opacity: 0;
  transform: scale(0);
  transition: all var(--transition-fast);
}

.choice-option input[type="radio"]:checked + .choice-label {
  border-color: var(--color-sage);
  background-color: var(--color-bg-sage-light);
  color: var(--color-sage-deep);
  font-weight: 600;
}

.choice-option input[type="radio"]:checked + .choice-label .choice-indicator {
  border-color: var(--color-sage);
}

.choice-option input[type="radio"]:checked + .choice-label .choice-indicator::after {
  opacity: 1;
  transform: scale(1);
}

.choice-option input[type="radio"]:focus-visible + .choice-label {
  outline: 2px solid var(--color-sage);
  outline-offset: 2px;
}

.wizard-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border-subtle);
  gap: 1rem;
}

/* Success Confirmation Screen */
.booking-success-box {
  text-align: center;
  padding: 2.25rem 1.25rem;
}

.success-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-bg-sage-light);
  color: var(--color-sage);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.booking-summary-card {
  background-color: var(--color-bg-base);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  border: 1px solid var(--color-border-subtle);
  margin: 1.5rem 0;
  text-align: left;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 0.45rem 0;
  border-bottom: 1px dashed var(--color-border-subtle);
  font-size: var(--text-sm);
  gap: 0.5rem;
}

.summary-row:last-child {
  border-bottom: none;
}

.summary-label {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.summary-value {
  font-weight: 500;
  color: var(--color-text-primary);
  text-align: right;
  word-break: break-word;
}

/* --------------------------------------------------------------------------
   15. FOOTER & LOCAL CHENNAI DETAILS (UNIFORM ACROSS ALL PAGES)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-2xl);
  border-top: 1px solid var(--color-border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr 0.9fr 0.9fr 1.3fr;
  }
}

.footer-brand .brand-name {
  color: var(--color-text-inverse);
}

.footer-brand .brand-tagline {
  color: var(--color-text-inverse-muted);
}

.footer-description {
  font-size: var(--text-sm);
  color: var(--color-text-inverse-muted);
  line-height: 1.6;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-heading {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-peach);
  margin-bottom: 1.15rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-inverse-muted);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-text-inverse);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: var(--text-sm);
  color: var(--color-text-inverse-muted);
  margin-bottom: 0.85rem;
}

.footer-contact-item svg {
  flex-shrink: 0;
  margin-top: 0.2rem;
  color: var(--color-sage-light);
}

.footer-bottom {
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-border-dark);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* --------------------------------------------------------------------------
   16. MOBILE STICKY ACTION BAR
   -------------------------------------------------------------------------- */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(251, 249, 245, 0.98);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border-subtle);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 90;
  box-shadow: 0 -4px 16px rgba(22, 38, 31, 0.08);
  box-sizing: border-box;
}

@media (min-width: 960px) {
  .mobile-sticky-bar {
    display: none;
  }
}

.mobile-sticky-bar .btn {
  flex: 1;
  padding: 0.75rem 0.5rem;
  font-size: 0.8125rem;
  min-width: 0;
}

/* --------------------------------------------------------------------------
   17. DETAIL PAGES & CALLOUTS
   -------------------------------------------------------------------------- */
.callout-box {
  background-color: var(--color-bg-sage-light);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  border-left: 4px solid var(--color-sage);
  margin: 1.75rem 0;
}

.callout-box h4 {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-sage-deep);
  margin-bottom: 0.4rem;
}

.callout-box p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.treatment-meta-banner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.25rem;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  border: 1px solid var(--color-border-subtle);
  margin-bottom: 2.25rem;
}

.meta-col h5 {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.meta-col p {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   18. TOAST NOTIFICATION
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 5rem;
  right: 1.5rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-smooth);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}