/* ==========================================================================
   TPL EXPERIENCES | STYLESHEET
   Variant C: Approachable Expert (B2B Organisational Wellbeing & Strategy)
   Locality: Leeds, West Yorkshire, United Kingdom
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties & Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand Palette from design_brief.json */
  --color-bg: #faf7f2;
  --color-surface: #ffffff;
  --color-text: #19222b;
  --color-muted: #4d5761;
  --color-primary: #1d4d5e;
  --color-primary-text: #ffffff;
  --color-primary-light: #e8f0f2;
  --color-primary-hover: #153844;
  --color-accent: #a8491a;
  --color-accent-text: #ffffff;
  --color-accent-hover: #8f3c13;
  --color-accent-subtle: #fbeee8;
  --color-dark: #0f202a;
  --color-dark-text: #f1f5f9;
  --color-hero-bg: #132832;
  --color-hero-text: #ffffff;

  /* Semantic Borders & Shadows */
  --border-subtle: rgba(25, 34, 43, 0.1);
  --border-strong: rgba(25, 34, 43, 0.2);
  --border-focus: #a8491a;
  --shadow-sm: 0 2px 4px rgba(15, 32, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 32, 42, 0.07);
  --shadow-lg: 0 10px 28px rgba(15, 32, 42, 0.1);
  --shadow-xl: 0 20px 40px rgba(15, 32, 42, 0.14);

  /* Typography Families */
  --font-display: 'Bricolage Grotesque', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-body: 'Figtree', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Layout Containers */
  --container-max: 1240px;
  --container-narrow: 840px;
  --container-padding: clamp(16px, 4vw, 32px);
  --header-height: 60px;
  --topbar-height: 36px;

  /* Border Radii (Variant C: Friendly, rounded cards) */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.05vw, 1.125rem);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  inset-inline-start: 16px;
  background-color: var(--color-accent);
  color: var(--color-accent-text);
  padding: 12px 20px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 9999;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 16px;
  outline: 3px solid #ffffff;
  outline-offset: 2px;
}

/* Focus States */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 3px;
}

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

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  text-wrap: balance;
  margin-block-end: 0.5em;
}

h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  letter-spacing: -0.02em;
  line-height: 1.18;
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  letter-spacing: -0.015em;
  line-height: 1.25;
}

h4 {
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  font-weight: 600;
}

p {
  margin-block-end: 1rem;
}

p:last-child {
  margin-block-end: 0;
}

.lead-text {
  font-size: clamp(1.125rem, 1.3vw, 1.25rem);
  line-height: 1.6;
  color: var(--color-muted);
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

ul, ol {
  padding-inline-start: 1.5rem;
  margin-block-end: 1rem;
}

/* --------------------------------------------------------------------------
   3. Global Layout Components
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

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

.section {
  padding-block: clamp(48px, 6vw, 84px);
  position: relative;
}

.section-tight {
  padding-block: clamp(32px, 4vw, 56px);
}

/* Color Bands */
.section-surface {
  background-color: var(--color-surface);
}

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

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

.section-primary h1,
.section-primary h2,
.section-primary h3,
.section-primary p {
  color: var(--color-primary-text);
}

.section-primary .section-eyebrow {
  color: #ffb799;
}

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

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark p {
  color: var(--color-dark-text);
}

.section-dark .section-eyebrow {
  color: #ffb799;
}

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

.section-hero-bg h1,
.section-hero-bg h2,
.section-hero-bg h3,
.section-hero-bg p {
  color: var(--color-hero-text);
}

/* Section Header Typography */
.section-header {
  margin-block-end: clamp(32px, 4vw, 52px);
}

.section-header.text-center {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-block-end: 0.75rem;
}

.section-subtitle {
  font-size: clamp(1.05rem, 1.25vw, 1.2rem);
  color: var(--color-muted);
  max-width: 700px;
  margin-block-start: 0.5rem;
}

.section-dark .section-subtitle,
.section-hero-bg .section-subtitle {
  color: rgba(241, 245, 249, 0.82);
}

/* --------------------------------------------------------------------------
   4. Buttons & Interactive Links
   -------------------------------------------------------------------------- */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-accent-text);
  box-shadow: 0 4px 12px rgba(168, 73, 26, 0.28);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(168, 73, 26, 0.36);
}

.btn-secondary {
  background-color: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.6);
}

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

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

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

.btn-white {
  background-color: #ffffff;
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background-color: #faf7f2;
  color: var(--color-dark);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   5. Top Bar & Navigation Header
   -------------------------------------------------------------------------- */
/* Top Bar (Non-sticky, strictly one row on phones) */
.top-bar {
  background-color: var(--color-dark);
  color: #f1f5f9;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: var(--topbar-height);
  box-sizing: border-box;
  max-height: 36px;
  overflow: hidden;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 12px;
  flex-wrap: nowrap;
}

.top-bar-left,
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.top-bar a {
  color: #e2e8f0;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.top-bar a:hover {
  color: #ffb799;
}

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

.top-bar-badge {
  display: inline-flex;
  align-items: center;
  background-color: rgba(168, 73, 26, 0.25);
  color: #ffb799;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* Mobile top bar styling (max 36px tall, 2-3 links with short label) */
@media (max-width: 767px) {
  .top-bar {
    height: var(--topbar-height);
  }
  .top-bar-left {
    display: none; /* Hide long sentences & locations on mobile */
  }
  .top-bar-right {
    width: 100%;
    justify-content: space-around;
    gap: 8px;
  }
  .top-bar a span.full-text {
    display: none;
  }
  .top-bar a span.short-text {
    display: inline;
  }
}

@media (min-width: 768px) {
  .top-bar a span.short-text {
    display: none;
  }
}

/* Header (Pinned Sticky direct child of body) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 2px 10px rgba(15, 32, 42, 0.05);
  transition: background-color var(--transition-fast);
  box-sizing: border-box;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: nowrap;
  height: var(--header-height);
}

/* Logo */
.site-logo {
  min-width: 0;
  flex: 0 1 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-primary);
  height: clamp(32px, 9vw, 44px);
  max-width: min(60vw, 200px);
  width: auto;
}

.logo-symbol {
  height: clamp(30px, 8vw, 36px);
  width: auto;
  aspect-ratio: 1;
  flex-shrink: 0;
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
}

.logo-wordmark {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 4vw, 1.45rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logo-accent {
  color: var(--color-accent);
}

.logo-tagline {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-accent);
  background-color: var(--color-bg);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 700;
  background-color: var(--color-primary-light);
}

.header-cta-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-inline-start: 8px;
}

.header-cta-btn {
  padding: 9px 18px;
  font-size: 0.9rem;
  min-height: 40px;
}

/* Mobile Header Controls */
.mobile-actions {
  display: none;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  margin-inline-start: auto;
}

.btn-mobile-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  color: var(--color-primary);
  border: 1px solid var(--border-subtle);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.btn-mobile-icon:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  background-color: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.menu-toggle:hover {
  background-color: var(--color-bg);
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
}

.menu-toggle .icon-close {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-hamburger {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--color-surface);
  border-bottom: 2px solid var(--color-primary);
  box-shadow: var(--shadow-xl);
  padding: 20px 24px 28px;
  max-height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

.mobile-drawer.is-open {
  display: block;
}

.mobile-nav-links {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
  background-color: var(--color-bg);
  color: var(--color-accent);
}

.mobile-nav-link.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-inline-start: 4px solid var(--color-primary);
}

.mobile-drawer-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.mobile-drawer-contact {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  color: var(--color-muted);
}

.mobile-drawer-contact p {
  margin-bottom: 6px;
}

@media (max-width: 900px) {
  .desktop-nav {
    display: none;
  }
  .mobile-actions {
    display: flex;
  }
}

/* --------------------------------------------------------------------------
   6. Hero Section (Strictly Colourful: Photo-Overlay on #132832)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  background-color: var(--color-hero-bg);
  color: var(--color-hero-text);
  overflow: hidden;
  padding-block: clamp(56px, 8vw, 96px);
}

/* Hero photo with 65% directional gradient overlay from heroBg to primary */
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: 0.35; /* Under 65% overlay equivalent */
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(19, 40, 50, 0.94) 0%, rgba(29, 77, 94, 0.88) 100%);
}

.hero-container {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-content {
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffb799;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-block-end: 18px;
}

.hero-title {
  color: #ffffff;
  margin-block-end: 20px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 1.4vw, 1.3rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
  margin-block-end: 32px;
}

/* Proof Strip inside Hero */
.hero-proof-strip {
  margin-block-start: 32px;
  padding-block-start: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.9);
}

.proof-rating {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: #ffffff;
}

.stars {
  color: #f59e0b;
  letter-spacing: 2px;
}

.proof-divider {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.4);
}

/* Hero Visual Card / Side Element */
.hero-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 36px);
  box-shadow: var(--shadow-xl);
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-block-end: 20px;
}

.hero-card-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  object-fit: cover;
}

.hero-card-meta h3 {
  font-size: 1.15rem;
  color: #ffffff;
  margin: 0;
}

.hero-card-meta span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

.hero-card-quote {
  font-style: italic;
  font-size: 0.98rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.95);
  margin-block-end: 20px;
  position: relative;
}

.hero-card-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding-block-start: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-card-stat-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffb799;
}

.hero-card-stat-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
}

/* --------------------------------------------------------------------------
   7. Client Logos & Validation Band
   -------------------------------------------------------------------------- */
.client-band {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding-block: 36px;
}

.client-intro {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-block-end: 24px;
}

.client-logo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  align-items: center;
  justify-items: center;
}

@media (min-width: 600px) {
  .client-logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .client-logo-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
  }
}

.client-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 18px;
  background-color: var(--color-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-muted);
  text-align: center;
  transition: transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.client-badge:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   8. Impact Metrics Band (Full-Width Brand Color Band: #1d4d5e)
   -------------------------------------------------------------------------- */
.metrics-band {
  background: linear-gradient(135deg, var(--color-primary) 0%, #153e4c 100%);
  color: var(--color-primary-text);
  padding-block: clamp(48px, 6vw, 72px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

@media (min-width: 900px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.metric-item {
  text-align: center;
  padding: 16px;
}

.metric-value {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.4rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  margin-block-end: 8px;
  letter-spacing: -0.02em;
}

.metric-highlight {
  color: #ffb799;
}

.metric-label {
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   9. Core Services: Four Pillars of Organisational Transformation
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 680px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3.5vw, 36px);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--color-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(29, 77, 94, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-block-end: 20px;
}

.service-card:nth-child(2) .service-icon-box {
  background-color: #fbeee8;
  color: var(--color-accent);
}

.service-card:nth-child(3) .service-icon-box {
  background-color: #e6f4ea;
  color: #1e7e34;
}

.service-card:nth-child(4) .service-icon-box {
  background-color: #f3e8fd;
  color: #7b1fa2;
}

.service-title {
  margin-block-end: 12px;
}

.service-desc {
  color: var(--color-muted);
  margin-block-end: 20px;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  padding: 0;
  margin-block-end: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--color-text);
}

.service-features li svg {
  width: 16px;
  height: 16px;
  fill: var(--color-accent);
  flex-shrink: 0;
  margin-top: 4px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.service-link:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   10. Signature Section: The 4-Stage Journey (Interactive Process Roadmap)
   -------------------------------------------------------------------------- */
.process-section {
  background-color: var(--color-surface);
  position: relative;
}

.roadmap-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

@media (min-width: 960px) {
  .roadmap-container {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}

.roadmap-tabs {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.roadmap-step-btn {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background-color: var(--color-bg);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: inherit;
  width: 100%;
}

.roadmap-step-btn:hover {
  background-color: #f1ede5;
}

.roadmap-step-btn.is-active {
  background-color: #ffffff;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
  transition: background-color var(--transition-fast);
}

.roadmap-step-btn.is-active .step-num {
  background-color: var(--color-accent);
}

.step-info h4 {
  font-size: 1.15rem;
  margin-block-end: 4px;
  color: var(--color-text);
}

.step-info p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin: 0;
}

/* Interactive Detail Display */
.roadmap-detail-card {
  background: linear-gradient(145deg, #ffffff 0%, var(--color-bg) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 40px);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 84px;
}

.roadmap-panel {
  display: none;
}

.roadmap-panel.is-active {
  display: block;
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.roadmap-panel-badge {
  display: inline-block;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-block-end: 12px;
}

.roadmap-panel h3 {
  margin-block-end: 16px;
}

.roadmap-panel-deliverables {
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-block: 20px;
}

.roadmap-panel-deliverables h5 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-block-end: 10px;
}

.roadmap-panel-deliverables ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.roadmap-panel-deliverables li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--color-text);
}

.roadmap-panel-deliverables li svg {
  width: 14px;
  height: 14px;
  fill: var(--color-accent);
}

/* --------------------------------------------------------------------------
   11. Case Studies Section
   -------------------------------------------------------------------------- */
.case-study-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

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

.case-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.case-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: var(--color-hero-bg);
  overflow: hidden;
}

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

.case-card:hover .case-media img {
  transform: scale(1.04);
}

.case-category {
  position: absolute;
  top: 14px;
  inset-inline-start: 14px;
  background-color: rgba(15, 32, 42, 0.85);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.case-body {
  padding: clamp(20px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.case-client {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-block-end: 6px;
}

.case-body h3 {
  font-size: 1.25rem;
  margin-block-end: 12px;
}

.case-body p {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-block-end: 18px;
  flex-grow: 1;
}

.case-impact-metric {
  padding: 12px 16px;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  margin-block-end: 18px;
  font-size: 0.88rem;
  color: var(--color-primary);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   12. Founder Spotlight: Minoti Parikh
   -------------------------------------------------------------------------- */
.founder-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

@media (min-width: 900px) {
  .founder-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.founder-media-wrap {
  position: relative;
}

.founder-img-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 1 / 1;
  border: 4px solid #ffffff;
}

.founder-img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
}

.founder-float-badge {
  position: absolute;
  bottom: -16px;
  inset-inline-end: 16px;
  background-color: var(--color-accent);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.founder-bio h2 {
  margin-block-end: 8px;
}

.founder-roles {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-block-end: 18px;
}

.founder-credentials-list {
  list-style: none;
  padding: 0;
  margin-block: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.founder-credentials-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text);
}

.founder-credentials-list svg {
  width: 18px;
  height: 18px;
  fill: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   13. Client Testimonials (Verified Google Reviews)
   -------------------------------------------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

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

@media (min-width: 1100px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background-color: var(--color-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.testimonial-rating {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #f59e0b;
  margin-block-end: 14px;
}

.testimonial-rating .star-icon {
  width: 18px;
  height: 18px;
  fill: #f59e0b;
  flex-shrink: 0;
}

.testimonial-quote {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text);
  margin-block-end: 20px;
  flex-grow: 1;
}

.testimonial-author-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-block-start: 14px;
  border-top: 1px solid var(--border-subtle);
}

.author-initials {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-meta h4 {
  font-size: 0.98rem;
  margin: 0;
  color: var(--color-text);
}

.author-meta span {
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   14. Executive Toolkits & Research Publications
   -------------------------------------------------------------------------- */
.resources-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 680px) {
  .resources-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.resource-card {
  background-color: var(--color-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.resource-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(29, 77, 94, 0.3);
}

.resource-type-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent);
  background-color: #fbeee8;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-block-end: 14px;
}

.resource-card h3 {
  font-size: 1.2rem;
  margin-block-end: 10px;
}

.resource-card p {
  font-size: 0.92rem;
  color: var(--color-muted);
  margin-block-end: 18px;
  flex-grow: 1;
}

.resource-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  text-decoration: none;
}

.resource-download-btn:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   15. FAQ Section
   -------------------------------------------------------------------------- */
.faq-wrap {
  max-width: 820px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

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

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background-color: transparent;
  border: none;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.faq-trigger[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 22px;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.65;
}

.faq-answer.is-open {
  display: block;
}

/* --------------------------------------------------------------------------
   16. Closing CTA Band (Full-Width Brand Color: #132832)
   -------------------------------------------------------------------------- */
.closing-cta-band {
  background: linear-gradient(135deg, var(--color-hero-bg) 0%, var(--color-primary) 100%);
  color: var(--color-hero-text);
  text-align: center;
  padding-block: clamp(56px, 8vw, 88px);
  position: relative;
  overflow: hidden;
}

.closing-cta-content {
  max-width: 760px;
  margin-inline: auto;
}

.closing-cta-band h2 {
  color: #ffffff;
  margin-block-end: 18px;
}

.closing-cta-band p {
  font-size: clamp(1.1rem, 1.3vw, 1.25rem);
  color: rgba(255, 255, 255, 0.9);
  margin-block-end: 32px;
}

.closing-cta-band .btn-group {
  justify-content: center;
}

/* --------------------------------------------------------------------------
   17. Forms & Contact Interface
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.contact-card {
  background-color: var(--color-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 40px);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-block-end: 20px;
}

.form-group label {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text);
  margin-block-end: 8px;
}

.form-group label span.req {
  color: var(--color-accent);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  background-color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(29, 77, 94, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 600px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.radio-group-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 8px;
}

@media (min-width: 600px) {
  .radio-group-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background-color: var(--color-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.radio-option:hover {
  background-color: #f1ede5;
}

.radio-option input[type="radio"] {
  accent-color: var(--color-primary);
  width: 18px;
  height: 18px;
}

.radio-option span {
  font-size: 0.9rem;
  font-weight: 500;
}

.form-success-banner {
  display: none;
  padding: 16px 20px;
  background-color: #e6f4ea;
  color: #137333;
  border-radius: var(--radius-md);
  margin-block-end: 20px;
  font-weight: 600;
}

/* Contact Info Sidebar */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-block {
  background-color: var(--color-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.info-block h3 {
  font-size: 1.25rem;
  margin-block-end: 14px;
  color: var(--color-primary);
}

.contact-direct-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-direct-links li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.contact-icon-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-details-text h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--color-muted);
  letter-spacing: 0.05em;
  margin-block-end: 2px;
}

.contact-details-text p,
.contact-details-text a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}

.contact-details-text a:hover {
  color: var(--color-accent);
}

/* Map Frame Container */
.map-embed-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-block-start: 16px;
}

.map-embed-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* --------------------------------------------------------------------------
   18. Multi-Column Footer (Full-Width Brand Color: #0f202a)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
  padding-block: clamp(48px, 6vw, 72px) 24px;
  margin-top: auto;
  border-top: 2px solid var(--color-primary);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 4vw, 48px);
  margin-block-end: 48px;
}

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

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

.footer-brand h3 {
  color: #ffffff;
  font-size: 1.4rem;
  margin-block-end: 12px;
}

.footer-brand p {
  color: rgba(241, 245, 249, 0.75);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-block-end: 20px;
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

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

.social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer-col h4 {
  font-size: 1.05rem;
  color: #ffffff;
  letter-spacing: -0.01em;
  margin-block-end: 18px;
  position: relative;
  padding-block-end: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  inset-inline-start: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-accent);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(241, 245, 249, 0.8);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #ffb799;
}

.footer-accreditations {
  font-size: 0.88rem;
  color: rgba(241, 245, 249, 0.75);
  line-height: 1.55;
}

.footer-accreditations p {
  margin-block-end: 10px;
}

.footer-bottom {
  padding-block-start: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(241, 245, 249, 0.65);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-legal-links a {
  color: rgba(241, 245, 249, 0.75);
  text-decoration: none;
}

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

.footer-credits {
  font-size: 0.82rem;
  color: rgba(241, 245, 249, 0.55);
}

/* --------------------------------------------------------------------------
   19. Back to Top Button
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  inset-inline-end: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal), background-color var(--transition-fast);
}

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

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

.back-to-top svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --------------------------------------------------------------------------
   20. Motion & Accessibility Controls
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
  }

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

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