/* ==========================================================================
   LONGEVITY WORLD SINGAPORE — PRODUCTION STYLESHEET
   Variant B: Precise Specialist (Clinics Playbook)
   Strict WCAG AA/AAA Compliance, Mobile-First Architecture, Fluid Typography
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & Root Custom Properties (from design_brief.json)
   -------------------------------------------------------------------------- */
:root {
  /* Brand Palette (Exact Hex from Brief) */
  --bg: #ffffff;
  --surface: #f4f7f6;
  --text: #10211f;
  --muted: #486260;
  --primary: #0e5954;
  --primary-text: #ffffff;
  --accent: #966d2a;
  --accent-light: #ecc98a;
  --dark: #091c1b;
  --dark-text: #f2f7f6;
  --hero-bg: #0b2e2c;
  --hero-text: #ffffff;

  /* Architectural Borders & Dividers */
  --border-hairline: rgba(16, 33, 31, 0.12);
  --border-hairline-dark: rgba(255, 255, 255, 0.14);
  --border-accent: rgba(150, 109, 42, 0.45);

  /* Typography Families */
  --font-display: 'Schibsted Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Fluid Typography Scale (clamp based) */
  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.84rem, 0.8rem + 0.2vw, 0.9375rem);
  --text-base: clamp(0.975rem, 0.925rem + 0.25vw, 1.0625rem);
  --text-md: clamp(1.1rem, 1.025rem + 0.35vw, 1.25rem);
  --text-lg: clamp(1.25rem, 1.15rem + 0.5vw, 1.45rem);
  --text-xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
  --text-2xl: clamp(1.85rem, 1.6rem + 1.1vw, 2.35rem);
  --text-3xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);
  --text-display: clamp(2.65rem, 2.15rem + 2.5vw, 4.25rem);

  /* Elevation Shadows */
  --shadow-sm: 0 2px 8px rgba(16, 33, 31, 0.05);
  --shadow-md: 0 8px 24px rgba(16, 33, 31, 0.08);
  --shadow-lg: 0 16px 40px rgba(16, 33, 31, 0.12);
  --shadow-dark: 0 12px 32px rgba(9, 28, 27, 0.4);

  /* Spacing & Container */
  --container-max: 1240px;
  --container-padding: clamp(1rem, 4vw, 2rem);
  --section-padding-y: clamp(3.5rem, 7vw, 6.5rem);
  --header-height: 64px;
  --header-height-mobile: 60px;
  --topbar-height: 38px;
  --topbar-height-mobile: 34px;

  /* Radii & Transitions */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s ease;
}

/* --------------------------------------------------------------------------
   2. Modern CSS Reset & Baseline Ergonomics
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  color-scheme: light;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Fix any accidental horizontal overflow without disabling sticky header */
body, main {
  overflow-x: clip;
}

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

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

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

ul, ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   3. Accessibility & Focus States
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 9999;
  background: var(--accent);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  transition: top var(--transition-fast);
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   4. Layout Container & Section Primitives
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-narrow {
  width: 100%;
  max-width: 860px;
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: var(--section-padding-y);
  position: relative;
}

/* Section Rhythm Backgrounds */
.section-white {
  background-color: var(--bg);
  color: var(--text);
}

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

.section-dark {
  background-color: var(--dark);
  color: var(--dark-text);
}

.section-primary {
  background-color: var(--primary);
  color: var(--primary-text);
}

.section-hero-bg {
  background-color: var(--hero-bg);
  color: var(--hero-text);
}

/* Section Header Typography */
.section-header {
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-header.text-center {
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.eyebrow-light {
  color: var(--accent-light);
}

.eyebrow-teal {
  color: var(--primary);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: inherit;
  margin-bottom: 1rem;
  text-wrap: balance;
}

.section-subtitle {
  font-size: var(--text-md);
  line-height: 1.6;
  max-width: 720px;
  opacity: 0.88;
}

.text-center .section-subtitle {
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   5. Top Bar (Desktop & Mobile)
   -------------------------------------------------------------------------- */
.topbar {
  background-color: var(--dark);
  color: rgba(242, 247, 246, 0.85);
  font-size: var(--text-xs);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1010;
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar-items {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: rgba(242, 247, 246, 0.85);
  font-weight: 500;
}

.topbar-item:hover {
  color: #ffffff;
}

.topbar-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  fill: currentColor;
}

/* Mobile top bar: strictly 1 row, <= 36px tall */
@media (max-width: 767px) {
  .topbar {
    height: var(--topbar-height-mobile);
    padding-inline: 0.5rem;
  }
  
  .topbar .container {
    justify-content: space-around;
    padding-inline: 0.25rem;
  }

  .topbar-item-desktop {
    display: none !important;
  }

  .topbar-items {
    width: 100%;
    justify-content: space-around;
    gap: 0.5rem;
    flex-wrap: nowrap;
  }

  .topbar-item {
    font-size: 0.72rem;
    padding: 0.2rem 0.4rem;
  }

  .topbar-icon {
    width: 13px;
    height: 13px;
  }
}

/* --------------------------------------------------------------------------
   6. Pinned Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--hero-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 20px rgba(9, 28, 27, 0.35);
  border-bottom-color: rgba(150, 109, 42, 0.3);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: nowrap;
}

/* Brand Wordmark & Monogram */
.header-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  flex: 0 1 auto;
}

.brand-emblem {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  color: var(--accent-light);
}

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

.brand-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 5vw, 1.5rem);
  letter-spacing: 0.04em;
  color: #ffffff;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-subtitle {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-light);
  line-height: 1;
  margin-top: 2px;
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.88);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.08);
}

.nav-link.active {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.12);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0px;
  left: 0.9rem;
  right: 0.9rem;
  height: 2px;
  background-color: var(--accent-light);
  border-radius: var(--radius-full);
}

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

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1.15rem;
  font-size: var(--text-sm);
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--radius-sm);
  background-color: var(--accent);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-header-cta:hover {
  background-color: var(--accent-light);
  color: #ffffff;
  transform: translateY(-1px);
}

/* Mobile Header Ergonomics (<768px) */
.mobile-action-btn {
  display: none;
}

.menu-toggle {
  display: none;
}

@media (max-width: 860px) {
  .site-header {
    height: var(--header-height-mobile);
  }

  .site-header .container {
    gap: 10px;
    padding-inline: clamp(0.75rem, 3.5vw, 1.25rem);
  }

  .header-brand {
    height: clamp(32px, 9vw, 44px);
    max-width: min(60vw, 200px);
    width: auto;
    gap: 0.5rem;
    flex: 0 1 auto;
  }

  .brand-emblem {
    width: clamp(24px, 6vw, 30px);
    height: clamp(24px, 6vw, 30px);
  }

  .brand-title {
    font-size: clamp(0.72rem, 3.2vw, 0.92rem);
    letter-spacing: 0.02em;
    line-height: 1.1;
    white-space: nowrap;
    text-overflow: clip;
  }

  .brand-subtitle {
    font-size: 0.56rem;
    letter-spacing: 0.12em;
    line-height: 1;
    margin-top: 1px;
  }

  .desktop-nav,
  .btn-header-cta {
    display: none;
  }

  .mobile-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    color: var(--accent-light);
    background-color: rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
  }

  .mobile-action-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    margin-inline-start: auto;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: #ffffff;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
  }

  .menu-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.35);
  }

  .menu-icon-box {
    width: 22px;
    height: 16px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .menu-bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  /* Hamburger to X Transformation */
  .menu-toggle[aria-expanded="true"] .menu-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] .menu-bar:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle[aria-expanded="true"] .menu-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* --------------------------------------------------------------------------
   7. Mobile Drawer Overlay
   -------------------------------------------------------------------------- */
.mobile-drawer {
  position: fixed;
  top: calc(var(--topbar-height-mobile) + var(--header-height-mobile));
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--hero-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  z-index: 999;
  padding: 1.5rem var(--container-padding) 2.5rem;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.mobile-drawer.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  color: #ffffff;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.05);
  border-left: 3px solid transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-link.active {
  border-left-color: var(--accent-light);
  background-color: rgba(255, 255, 255, 0.1);
}

.mobile-nav-link:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.mobile-drawer-cta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.mobile-drawer-info {
  margin-top: 1.25rem;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

/* --------------------------------------------------------------------------
   8. Button Component Matrix
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.65rem;
  min-height: 48px;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--accent-light);
  border-color: var(--accent-light);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: #ffffff;
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-outline-primary {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-primary:hover {
  background-color: var(--primary);
  color: var(--primary-text);
  transform: translateY(-2px);
}

.btn-teal {
  background-color: var(--primary);
  color: var(--primary-text);
  border-color: var(--primary);
}

.btn-teal:hover {
  background-color: #0b4541;
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-white {
  background-color: #ffffff;
  color: var(--primary);
  border-color: #ffffff;
  font-weight: 700;
}

.btn-white:hover {
  background-color: var(--surface);
  color: var(--dark);
  transform: translateY(-2px);
}

.btn-icon-right svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  transition: transform var(--transition-fast);
}

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

.btn-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .btn-group {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .btn-group .btn {
    width: 100%;
  }
}

/* --------------------------------------------------------------------------
   9. Hero Section (Colourful Hero on --hero-bg with Photo Overlay)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background-color: var(--hero-bg);
  color: var(--hero-text);
  padding-block: clamp(4rem, 9vw, 8rem);
  min-height: 80vh;
  display: flex;
  align-items: center;
  isolation: isolate;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
}

/* 80%+ opacity heroBg overlay transitioning to primary at the baseline */
.hero-gradient-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(11, 46, 44, 0.88) 0%,
    rgba(11, 46, 44, 0.84) 60%,
    rgba(14, 89, 84, 0.94) 100%
  );
}

.hero-content {
  max-width: 880px;
}

.hero-badge-strip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #2ed573;
  box-shadow: 0 0 8px #2ed573;
}

.hero-badge-text {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffffff;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 1.5rem;
  text-wrap: balance;
}

.hero-subtitle {
  font-size: var(--text-md);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 2rem;
  max-width: 760px;
}

/* Hero Proof Strip */
.hero-proof-bar {
  margin-top: 2.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.88);
}

.hero-proof-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.hero-proof-icon {
  width: 16px;
  height: 16px;
  fill: var(--accent-light);
  flex-shrink: 0;
}

.hero-proof-stars {
  color: #f1c40f;
  letter-spacing: 0.1em;
  font-weight: 700;
}

.hero-proof-divider {
  width: 1px;
  height: 18px;
  background-color: rgba(255, 255, 255, 0.2);
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding-block: clamp(2.25rem, 5.5vw, 4rem);
  }

  .hero-badge-strip {
    margin-bottom: 1rem;
    padding: 0.35rem 0.75rem;
  }

  .hero-title {
    font-size: clamp(1.85rem, 7vw, 2.35rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
  }

  .hero-subtitle {
    font-size: var(--text-base);
    line-height: 1.55;
    margin-bottom: 1.5rem;
  }

  .hero-proof-bar {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
  }
}

@media (max-width: 640px) {
  .hero-proof-divider {
    display: none;
  }
  .hero-proof-bar {
    gap: 0.75rem 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   10. Signature Section: The Longevity Index in Numbers (Variant B)
   -------------------------------------------------------------------------- */
.section-signature {
  background-color: var(--dark);
  color: var(--dark-text);
  padding-block: clamp(3rem, 5vw, 4.75rem);
  border-top: 1px solid var(--border-accent);
  border-bottom: 1px solid var(--border-hairline-dark);
}

.signature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.signature-card {
  padding: 1.5rem 2rem;
  border-inline-end: 1px solid rgba(150, 109, 42, 0.35);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.signature-card:last-child {
  border-inline-end: none;
}

.signature-numeral {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.signature-numeral .accent {
  color: var(--accent-light);
}

.signature-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-light);
  margin-bottom: 0.35rem;
}

.signature-desc {
  font-size: var(--text-xs);
  line-height: 1.5;
  color: rgba(242, 247, 246, 0.75);
}

@media (max-width: 1024px) {
  .signature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .signature-card:nth-child(2) {
    border-inline-end: none;
  }

  .signature-card:nth-child(1),
  .signature-card:nth-child(2) {
    border-bottom: 1px solid rgba(150, 109, 42, 0.35);
  }
}

@media (max-width: 580px) {
  .signature-grid {
    grid-template-columns: 1fr;
  }

  .signature-card {
    border-inline-end: none !important;
    border-bottom: 1px solid rgba(150, 109, 42, 0.35);
    padding: 1.25rem 0.5rem;
  }

  .signature-card:last-child {
    border-bottom: none;
  }
}

/* --------------------------------------------------------------------------
   11. Ecosystem Pillars Grid (4 Columns)
   -------------------------------------------------------------------------- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  background-color: var(--bg);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
}

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

.pillar-number {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
  letter-spacing: 0.08em;
}

.pillar-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: rgba(14, 89, 84, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--primary);
}

.pillar-icon-wrap svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.pillar-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 0.75rem;
}

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

.pillar-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-hairline);
  font-size: var(--text-xs);
  color: var(--text);
  font-weight: 500;
}

.pillar-features li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.pillar-features li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--accent);
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .pillars-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   12. Anchor Tenants Section (Profile Cards with Real Asset)
   -------------------------------------------------------------------------- */
.anchors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.anchor-card {
  background-color: var(--bg);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.anchor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.anchor-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--dark);
  overflow: hidden;
}

.anchor-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.anchor-card:hover .anchor-image-wrap img {
  transform: scale(1.04);
}

.anchor-unit-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(9, 28, 27, 0.88);
  color: var(--accent-light);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xs);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(150, 109, 42, 0.4);
}

.anchor-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.anchor-category {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

.anchor-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.anchor-tagline {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
}

.anchor-text {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.anchor-meta-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-hairline);
  font-size: var(--text-xs);
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.anchor-meta-item strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 2px;
}

@media (max-width: 900px) {
  .anchors-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   13. Scientific Methodology: The Six Pillars of Healthspan (Brand Band)
   -------------------------------------------------------------------------- */
.methodology-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.method-card {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), background-color var(--transition-base), border-color var(--transition-base);
}

.method-card:hover {
  transform: translateY(-4px);
  background-color: rgba(255, 255, 255, 0.12);
  border-color: var(--accent-light);
}

.method-index {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-light);
  margin-bottom: 0.75rem;
}

.method-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.25;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.method-body {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
}

@media (max-width: 960px) {
  .methodology-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .methodology-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   14. Spatial Sanctuary Gallery (Real Architectural Assets)
   -------------------------------------------------------------------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background-color: var(--dark);
  box-shadow: var(--shadow-sm);
}

.gallery-item.span-2 {
  grid-column: span 2;
  aspect-ratio: 16 / 10;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 1.25rem 1rem;
  background: linear-gradient(180deg, transparent 0%, rgba(9, 28, 27, 0.88) 100%);
  color: #ffffff;
  font-size: var(--text-xs);
  transform: translateY(6px);
  opacity: 0.95;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.gallery-caption strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: 2px;
}

@media (max-width: 900px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-item.span-2 {
    grid-column: span 2;
  }
}

@media (max-width: 540px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-item.span-2 {
    grid-column: span 1;
    aspect-ratio: 3 / 4;
  }
}

/* --------------------------------------------------------------------------
   15. Verified Google Reviews Section
   -------------------------------------------------------------------------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.review-card {
  background-color: var(--bg);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

/* Reviews in Dark Band */
.section-dark .review-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  backdrop-filter: blur(4px);
}

.section-dark .review-quote {
  color: rgba(255, 255, 255, 0.92);
}

.section-dark .review-author-name {
  color: #ffffff;
}

.section-dark .review-author-source {
  color: rgba(255, 255, 255, 0.65);
}

.section-dark .review-author-wrap {
  border-top-color: rgba(255, 255, 255, 0.12);
}

.section-dark .review-avatar-fallback {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--accent-light);
  border-color: rgba(255, 255, 255, 0.2);
}

.section-dark .review-badge {
  background-color: rgba(14, 89, 84, 0.4);
  color: var(--accent-light);
  border: 1px solid rgba(150, 109, 42, 0.3);
}

.review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.review-stars {
  color: #f1c40f;
  font-size: 1.15rem;
  letter-spacing: 0.15em;
}

.review-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
  background-color: rgba(14, 89, 84, 0.08);
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-xs);
}

.review-quote {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 1.5rem;
  font-style: normal;
  flex-grow: 1;
  white-space: pre-line;
}

.review-author-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-hairline);
}

.review-avatar-fallback {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--surface);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid var(--border-hairline);
}

.review-author-info {
  display: flex;
  flex-direction: column;
}

.review-author-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text);
}

.review-author-source {
  font-size: var(--text-xs);
  color: var(--muted);
}

@media (max-width: 860px) {
  .reviews-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   16. Accordion FAQs (Accessible & AEO Optimized)
   -------------------------------------------------------------------------- */
.faq-accordion {
  max-width: 880px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.faq-item.is-open {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-trigger {
  width: 100%;
  padding: 1.35rem 1.5rem;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text);
  transition: color var(--transition-fast);
}

.faq-trigger:hover {
  color: var(--primary);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--primary);
}

.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
}

.faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-base);
}

.faq-item.is-open .faq-panel {
  grid-template-rows: 1fr;
}

.faq-panel-inner {
  overflow: hidden;
}

.faq-body {
  padding: 0 1.5rem 1.5rem;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   17. Closing Conversion CTA Band (Full-Width Brand Band)
   -------------------------------------------------------------------------- */
.section-closing-cta {
  background: linear-gradient(135deg, var(--hero-bg) 0%, var(--dark) 100%);
  color: var(--hero-text);
  padding-block: clamp(4rem, 8vw, 6.5rem);
  text-align: center;
  position: relative;
  isolation: isolate;
  border-top: 1px solid var(--border-accent);
}

.cta-box {
  max-width: 820px;
  margin-inline: auto;
}

.cta-box .section-title {
  color: #ffffff;
}

.cta-box .section-subtitle {
  color: rgba(255, 255, 255, 0.88);
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.cta-direct-contacts {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.75);
}

.cta-direct-contacts a {
  color: var(--accent-light);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.cta-direct-contacts a:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   18. Location, Hours & Transit Section
   -------------------------------------------------------------------------- */
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.location-info-panel {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-block {
  display: flex;
  gap: 1rem;
}

.info-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: rgba(14, 89, 84, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-icon-box svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.info-block-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.info-block-content p {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.6;
}

.hours-table {
  width: 100%;
  margin-top: 0.5rem;
  font-size: var(--text-xs);
  border-collapse: collapse;
}

.hours-table tr {
  border-bottom: 1px solid var(--border-hairline);
}

.hours-table td {
  padding: 0.45rem 0;
}

.hours-table td:last-child {
  text-align: right;
  font-weight: 600;
  color: var(--text);
}

.map-frame-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-hairline);
  background-color: var(--surface);
  min-height: 420px;
}

.map-frame-wrapper iframe {
  width: 100%;
  height: 100%;
  min-height: 420px;
  border: 0;
  display: block;
}

@media (max-width: 900px) {
  .location-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   19. Subpage Specific Modules (Ecosystem, Vision, Directory, Contact)
   -------------------------------------------------------------------------- */
/* Page Hero (Subpages) */
.page-hero {
  background-color: var(--hero-bg);
  color: var(--hero-text);
  padding-block: clamp(3.5rem, 6vw, 5.5rem);
  border-bottom: 1px solid var(--border-hairline-dark);
}

.page-hero .eyebrow {
  color: var(--accent-light);
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.page-hero-lead {
  font-size: var(--text-md);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.9);
  max-width: 780px;
}

/* Directory Filter Tabs */
.filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-tab {
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  background-color: var(--surface);
  border: 1px solid var(--border-hairline);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.filter-tab.is-active {
  background-color: var(--primary);
  color: var(--primary-text);
  border-color: var(--primary);
}

/* Directory Directory Grid */
.directory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.directory-card {
  background-color: var(--bg);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

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

.directory-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  background-color: rgba(14, 89, 84, 0.08);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-xs);
  margin-bottom: 1rem;
  align-self: flex-start;
}

.directory-card-unit {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.directory-card-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.directory-card-desc {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.directory-card-hours {
  font-size: var(--text-xs);
  color: var(--muted);
  padding-top: 1rem;
  border-top: 1px solid var(--border-hairline);
  margin-bottom: 1.25rem;
}

.directory-card-hours strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 2px;
}

@media (max-width: 1024px) {
  .directory-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .directory-grid {
    grid-template-columns: 1fr;
  }
}

/* Contact & Inquiry Forms */
.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
}

.form-panel {
  background-color: var(--bg);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.45rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-hairline);
  background-color: var(--bg);
  font-size: var(--text-base);
  color: var(--text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 89, 84, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-note {
  font-size: var(--text-xs);
  color: var(--muted);
  margin-top: 0.35rem;
}

@media (max-width: 860px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   20. Master Multi-Column Footer (Variant B)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--dark);
  color: var(--dark-text);
  padding-top: clamp(4rem, 7vw, 6rem);
  padding-bottom: 2rem;
  border-top: 1px solid var(--border-accent);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand-desc {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: rgba(242, 247, 246, 0.75);
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-social-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-social-btn:hover {
  background-color: var(--accent);
  color: #ffffff;
  transform: translateY(-2px);
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-light);
  margin-bottom: 1.25rem;
}

.footer-link-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: var(--text-sm);
}

.footer-link-list a {
  color: rgba(242, 247, 246, 0.78);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-link-list a:hover {
  color: #ffffff;
  transform: translateX(2px);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: var(--text-sm);
  color: rgba(242, 247, 246, 0.78);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.footer-contact-icon {
  width: 16px;
  height: 16px;
  fill: var(--accent-light);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom-bar {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: rgba(242, 247, 246, 0.6);
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}

.footer-credits {
  margin-top: 0.75rem;
  font-size: 0.72rem;
  color: rgba(242, 247, 246, 0.5);
  width: 100%;
}

@media (max-width: 992px) {
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --------------------------------------------------------------------------
   21. Back to Top Button
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 900;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-base), transform var(--transition-base), background-color var(--transition-fast), visibility var(--transition-base);
}

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

.back-to-top:hover {
  background-color: var(--accent);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* --------------------------------------------------------------------------
   22. Motion & Reveal Classes (prefers-reduced-motion: no-preference)
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal-on-scroll {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal-on-scroll.is-revealed {
    opacity: 1;
    transform: translateY(0);
  }

  .delay-1 { transition-delay: 0.1s; }
  .delay-2 { transition-delay: 0.2s; }
  .delay-3 { transition-delay: 0.3s; }
  .delay-4 { transition-delay: 0.4s; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}