/* ==========================================================================
   MY HARLEY MEDICAL - PRODUCTION DESIGN SYSTEM & STYLESHEET
   Doctor-Led Aesthetic Clinic | 10 Harley Street, London
   Strict Mobile-First, WCAG 2.1 AA/AAA Compliant, Zero CLS Architecture
   ========================================================================== */

/* --- 1. CSS CUSTOM PROPERTIES (DESIGN TOKENS) --- */
:root {
  /* Brand Color Palette */
  --color-navy: #0e1e38;
  --color-navy-dark: #081224;
  --color-navy-light: #162c50;
  --color-navy-rgb: 14, 30, 56;
  
  --color-gold: #927238;
  --color-gold-hover: #7b5f2c;
  --color-gold-light: #f7f3eb;
  --color-gold-border: #d4be93;
  --color-gold-rgb: 146, 114, 56;

  --color-emerald: #0f766e;
  --color-emerald-light: #f0fdfa;
  
  /* Text & Surfaces */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;
  --color-bg-warm: #fcfbf9;
  
  --color-surface: #ffffff;
  --color-surface-muted: #f8fafc;
  
  /* High Contrast Typography Tokens (WCAG AA/AAA) */
  --color-text-primary: #0f172a;       /* 15.6:1 against white */
  --color-text-secondary: #334155;     /* 9.3:1 against white (Fixes legacy #8f8f8f bug) */
  --color-text-muted: #475569;         /* 7.0:1 against white */
  --color-text-on-dark: #f8fafc;
  --color-text-muted-on-dark: #cbd5e1;
  
  --border-color: #e2e8f0;
  --border-color-subtle: #edf2f7;
  --border-color-focus: #927238;

  /* Typography System */
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Elevation & Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08), 0 2px 6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 30px rgba(15, 23, 42, 0.12), 0 4px 10px rgba(15, 23, 42, 0.06);
  --shadow-gold: 0 4px 20px rgba(146, 114, 56, 0.22);
  
  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout Spacing */
  --container-max: 1280px;
  --header-height: 82px;
  --topbar-height: 38px;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  /* Never set overflow-x: hidden on html as it disables position: sticky */
  overflow-x: clip;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip; /* Safe clipping that preserves sticky */
  position: relative;
  background-color: var(--color-bg-primary);
}

/* Ensure flex/grid children never force horizontal expansion */
main, section, header, footer, article, nav, aside, div, figure {
  min-width: 0;
}

/* Media Elements */
img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Typography Fluid Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-navy);
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.015em;
  overflow-wrap: break-word;
}

h1 {
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.65rem, 3vw, 2.35rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}

h4 {
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
}

p {
  color: var(--color-text-secondary);
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  line-height: 1.7;
  overflow-wrap: break-word;
}

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

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* Accessibility: Accessible Skip to Main Link */
.skip-to-main {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-navy);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition-fast);
}
.skip-to-main:focus {
  top: 1rem;
}

/* Container Wrapper */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* --- 3. COMPONENT: TOP UTILITY BAR --- */
.top-bar {
  background-color: var(--color-navy-dark);
  color: var(--color-text-muted-on-dark);
  font-size: 0.84rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.45rem 0;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.top-bar-announcement {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.top-bar-announcement a {
  color: var(--color-gold-border);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.top-bar-announcement a:hover {
  color: #ffffff;
}

.top-bar-contact {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-bar-contact a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text-on-dark);
  font-weight: 500;
}
.top-bar-contact a:hover {
  color: var(--color-gold-border);
}

/* --- 4. COMPONENT: STICKY GLASSMORPHISM HEADER --- */
/* Strictly pinned to the top on every page and viewport */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  transition: all var(--transition-normal);
  width: 100%;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1.5rem;
}

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

.logo-symbol {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-border);
  box-shadow: 0 3px 8px rgba(14, 30, 56, 0.2);
  flex-shrink: 0;
}

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

.logo-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-navy);
  line-height: 1.1;
  text-transform: uppercase;
}

.logo-subtitle {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-top: 2px;
}

/* Desktop Navigation */
.desktop-nav {
  display: none;
}

@media (min-width: 1024px) {
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
  }
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-navy);
}

.nav-link.active {
  color: var(--color-navy);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
}

/* Header Action Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-whatsapp-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: #25d366;
  color: #ffffff;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.3);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-whatsapp-icon:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.45);
}

/* Core Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px; /* Strict >= 48px touch target */
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-light));
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(14, 30, 56, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-navy-light), var(--color-navy-dark));
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(14, 30, 56, 0.35);
  color: #ffffff;
}

.btn-gold {
  background: linear-gradient(135deg, var(--color-gold), #b89855);
  color: #ffffff;
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--color-gold-hover), var(--color-gold));
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(146, 114, 56, 0.35);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--color-navy);
  border: 1.5px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--color-navy);
  background-color: var(--color-bg-secondary);
}

.btn-outline-gold {
  background: transparent;
  color: var(--color-gold);
  border: 1.5px solid var(--color-gold);
}

.btn-outline-gold:hover {
  background-color: var(--color-gold-light);
  border-color: var(--color-gold-hover);
  color: var(--color-gold-hover);
}

.btn-sm {
  min-height: 38px;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* Mobile Hamburger Toggle */
.hamburger-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--color-navy);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.hamburger-btn:hover {
  background-color: var(--color-bg-tertiary);
}

@media (min-width: 1024px) {
  .hamburger-btn {
    display: none;
  }
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 2000;
  visibility: hidden;
  pointer-events: none;
  transition: visibility var(--transition-normal);
}

.mobile-drawer.open {
  visibility: visible;
  pointer-events: auto;
}

.drawer-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(14, 30, 56, 0.55);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.mobile-drawer.open .drawer-overlay {
  opacity: 1;
}

.drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(88%, 380px);
  height: 100%;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  overflow-y: auto;
}

.mobile-drawer.open .drawer-panel {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.drawer-close-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-navy);
  background: var(--color-bg-secondary);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem 0;
}

.drawer-link {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--color-navy);
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius-xs);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.drawer-link:hover, .drawer-link.active {
  background-color: var(--color-bg-secondary);
  color: var(--color-gold);
}

.drawer-contact-info {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

/* --- 5. COMPONENT: HERO SECTION --- */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 85% 20%, rgba(247, 243, 235, 0.7) 0%, rgba(255, 255, 255, 1) 65%);
  padding: clamp(3rem, 6vw, 5.5rem) 0 clamp(3.5rem, 7vw, 6rem);
  border-bottom: 1px solid var(--border-color-subtle);
  overflow: clip;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-badge-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--color-gold-light);
  color: var(--color-gold-hover);
  border: 1px solid var(--color-gold-border);
}

.hero-pill-cqc {
  background: #f3e8ff;
  color: #6b21a8;
  border-color: #d8b4fe;
}

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

.hero-title span.accent {
  color: var(--color-gold);
  font-style: italic;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.3vw, 1.22rem);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-trust-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-color);
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-label {
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.trust-value {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
}

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

.hero-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
  aspect-ratio: 4 / 5;
  background: var(--color-bg-secondary);
}

.hero-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Floating Trust Cards */
.floating-badge {
  position: absolute;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 250px;
  animation: floatSlow 6s ease-in-out infinite alternate;
}

.floating-badge-bottom {
  bottom: -15px;
  left: -15px;
}

.floating-badge-top {
  top: 20px;
  right: -15px;
  animation-delay: 2s;
}

@keyframes floatSlow {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-8px); }
}

.floating-badge-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-gold-light);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.floating-badge-title {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.2;
}

.floating-badge-sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --- 6. SECTION: PROMOTIONAL HIGHLIGHT BANNER --- */
.promo-strip {
  background: linear-gradient(135deg, var(--color-navy-dark), var(--color-navy));
  color: #ffffff;
  padding: 1.75rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.promo-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.promo-content {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.promo-badge {
  background: var(--color-gold);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.promo-text h3 {
  color: #ffffff;
  font-size: 1.15rem;
  margin-bottom: 0.2rem;
}

.promo-text p {
  color: var(--color-text-muted-on-dark);
  font-size: 0.9rem;
}

/* --- 7. SECTION: CLINICAL SERVICE PILLARS --- */
.section-padding {
  padding: clamp(3.5rem, 6vw, 5.5rem) 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 4vw, 3.75rem);
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
}

/* Treatment Services Grid */
.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(3, 1fr);
  }
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.service-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-bg-secondary);
}

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

.service-card:hover .service-card-media img {
  transform: scale(1.05);
}

.service-card-tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(14, 30, 56, 0.85);
  color: #ffffff;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
}

.service-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gold);
}

.service-price {
  font-size: 1.15rem;
  color: var(--color-navy);
  font-weight: 700;
}

.service-card-title {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
}

.service-card-desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

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

.service-card-footer a.card-btn {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-navy);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.service-card-footer a.card-btn:hover {
  color: var(--color-gold);
}

/* --- 8. SECTION: CLINICAL PHILOSOPHY & DOCTOR PROFILE --- */
.doctor-section {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.doctor-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

@media (min-width: 992px) {
  .doctor-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.doctor-media-col {
  position: relative;
}

.doctor-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
  background: #ffffff;
}

.doctor-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.doctor-creds-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  padding: 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.doctor-creds-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
}

.doctor-creds-sub {
  font-size: 0.82rem;
  color: var(--color-gold);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.doctor-content-col h2 {
  margin-bottom: 1.25rem;
}

.doctor-content-col p {
  margin-bottom: 1.25rem;
}

.pillar-checklist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin: 1.75rem 0 2.25rem;
}

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

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.check-icon {
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 3px;
}

/* --- 9. SECTION: FEATURED SKINCARE & LONGEVITY STOREFRONT --- */
.storefront-section {
  background: #ffffff;
}

/* Store Filter & Category Tabs */
.filter-tabs-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.filter-tab-btn {
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.filter-tab-btn:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-navy);
}

.filter-tab-btn.active {
  background: var(--color-navy);
  color: #ffffff;
  border-color: var(--color-navy);
}

/* Product Cards Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.75rem;
}

.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold-border);
}

.product-card-media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #fbfbfb;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-media img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.product-card:hover .product-card-media img {
  transform: scale(1.06);
}

.product-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: var(--color-gold);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.product-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-brand {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  margin-bottom: 0.35rem;
}

.product-title {
  font-size: 1.05rem;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.3;
  margin-bottom: 0.4rem;
}

.product-subtitle {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin-bottom: 0.85rem;
  flex-grow: 1;
}

.product-price-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.current-price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
}

.original-price {
  font-size: 0.88rem;
  text-decoration: line-through;
  color: var(--color-text-muted);
}

.product-actions {
  display: flex;
  gap: 0.5rem;
}

.product-actions .btn {
  flex: 1;
}

/* --- 10. SECTION: VERIFIED PATIENT TESTIMONIALS --- */
.testimonials-section {
  background: var(--color-bg-warm);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

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

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

.testimonial-card {
  background: #ffffff;
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal);
}

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

.star-rating {
  display: flex;
  gap: 0.25rem;
  color: #eab308;
  margin-bottom: 1rem;
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--color-navy);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

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

.patient-name {
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--color-navy);
}

.patient-location {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.treatment-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-xs);
  background: var(--color-bg-secondary);
  color: var(--color-navy);
}

/* --- 11. SECTION: CLINICAL FREQUENTLY ASKED QUESTIONS (ACCORDION) --- */
.faq-section {
  background: #ffffff;
}

.faq-container {
  max-width: 820px;
  margin-inline: auto;
}

.accordion-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #ffffff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.accordion-item:hover, .accordion-item.active {
  border-color: var(--color-gold-border);
  box-shadow: var(--shadow-sm);
}

.accordion-header {
  margin: 0;
}

.accordion-button {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: none;
  border: none;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
  cursor: pointer;
  min-height: 60px;
}

.accordion-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-bg-secondary);
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-normal), background var(--transition-fast);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  background: var(--color-gold-light);
  color: var(--color-gold);
}

/* Static, fully populated DOM content (Fixes audit critical flaw) */
.accordion-content {
  padding: 0 1.5rem 1.25rem;
  display: none;
}

.accordion-item.active .accordion-content {
  display: block;
}

.accordion-content p {
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
}

/* --- 12. SECTION: ACCREDITATION & TRUST BADGES --- */
.accreditation-section {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
}

.accreditation-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #ffffff;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.badge-item img {
  max-height: 48px;
  width: auto;
  object-fit: contain;
}

.badge-text-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-navy);
}

.badge-text-sub {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* --- 13. COMPONENT: MULTI-COLUMN COMPREHENSIVE FOOTER --- */
footer.site-footer {
  background-color: var(--color-navy-dark);
  color: var(--color-text-muted-on-dark);
  padding-top: clamp(3.5rem, 6vw, 5rem);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

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

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: #ffffff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-brand-p {
  color: var(--color-text-muted-on-dark);
  line-height: 1.7;
}

.footer-col-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: #ffffff;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--color-gold);
}

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

.footer-link {
  color: var(--color-text-muted-on-dark);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.footer-link:hover {
  color: var(--color-gold-border);
  transform: translateX(3px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.footer-contact-item svg {
  color: var(--color-gold-border);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-hours-row {
  display: flex;
  justify-content: space-between;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 0.4rem;
  font-size: 0.84rem;
}

.footer-bottom-bar {
  background: rgba(0, 0, 0, 0.3);
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
}

.footer-bottom-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

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

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-legal-links a:hover {
  color: var(--color-gold-border);
}

/* --- 14. COMPONENT: BACK-TO-TOP BUTTON --- */
/* Strictly formatted >= 48px, fixed bottom-right */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: var(--color-navy);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}

/* --- 15. COMPONENT: MODALS & DRAWERS --- */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2100;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.modal.active {
  visibility: visible;
  opacity: 1;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(14, 30, 56, 0.65);
  backdrop-filter: blur(5px);
}

.modal-dialog {
  position: relative;
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  transform: scale(0.95);
  transition: transform var(--transition-smooth);
}

.modal.active .modal-dialog {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-bg-secondary);
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--color-bg-tertiary);
}

/* Form Controls Inside Modals & Pages */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-color);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text-primary);
  background: #ffffff;
  transition: border-color var(--transition-fast);
  min-height: 48px; /* Touch target */
}

.form-control:focus {
  border-color: var(--color-gold);
  outline: none;
}

textarea.form-control {
  min-height: 110px;
  resize: vertical;
}

/* Toast Notifications */
.toast-notification {
  position: fixed;
  bottom: 24px;
  left: 24px;
  background: var(--color-navy-dark);
  color: #ffffff;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-gold);
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
}

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

/* --- 16. PAGE SPECIFIC LAYOUTS: TREATMENTS, ABOUT, SHOP, CONTACT --- */
.page-hero {
  background: radial-gradient(circle at 90% 10%, rgba(247, 243, 235, 0.8) 0%, rgba(255, 255, 255, 1) 70%);
  padding: clamp(3rem, 5vw, 4.5rem) 0 clamp(2.5rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--border-color);
}

.page-hero-inner {
  max-width: 800px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--color-text-secondary);
}
.breadcrumb a:hover {
  color: var(--color-gold);
}

/* Table Style for Treatment Summaries */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
}

.treatment-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.94rem;
}

.treatment-table th {
  background: var(--color-navy);
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  padding: 1rem 1.25rem;
}

.treatment-table td {
  padding: 0.95rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--color-text-secondary);
}

.treatment-table tr:nth-child(even) {
  background: var(--color-bg-secondary);
}

.treatment-table tr:last-child td {
  border-bottom: none;
}

/* Policy Card & Complaints Stages */
.policy-stage-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  background: #ffffff;
  border-left: 4px solid var(--color-gold);
}

.stage-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.stage-badge {
  background: var(--color-gold);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-xs);
}

/* Contact Grid & Map Frame */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
}

@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.location-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.location-card h3 {
  margin-bottom: 0.5rem;
  color: var(--color-navy);
}

/* Search Bar in Shop */
.shop-search-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  max-width: 500px;
}

/* --- 17. ACCESSIBILITY & PRINT STYLES --- */
@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;
  }
}

@media print {
  header.site-header, .top-bar, .back-to-top, .hero-actions, .product-actions {
    display: none !important;
  }
  body {
    color: #000000;
    background: #ffffff;
  }
}