/* ==========================================================================
   OFFICE OF BUSINESS EFFICIENCY (OBE) — PRODUCTION STYLESHEET
   Design System: Professional Playbook · Variant A (Editorial Authority)
   Locality: Manchester, Greater Manchester, UK (GB)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. ROOT VARIABLES & DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Exact Design Brief Palette */
  --color-background: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-muted: #475569;
  --color-primary: #1b5b99;
  --color-primary-text: #ffffff;
  --color-accent: #a6530b;
  --color-accent-hover: #8c4407;
  --color-dark: #071626;
  --color-dark-text: #ffffff;
  --color-hero-bg: #0c2340;
  --color-hero-text: #ffffff;

  /* Editorial & Component Tints derived strictly from brand palette */
  --color-border: rgba(15, 23, 42, 0.12);
  --color-border-subtle: rgba(15, 23, 42, 0.06);
  --color-border-dark: rgba(255, 255, 255, 0.15);
  --color-surface-hover: #f1f5f9;
  --color-primary-light: rgba(27, 91, 153, 0.08);
  --color-accent-light: rgba(166, 83, 11, 0.12);

  /* Typography */
  --font-display: "Newsreader", Georgia, "Times New Roman", serif;
  --font-body: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Layout & Spacing */
  --container-max: 1240px;
  --container-narrow: 920px;
  --section-padding-y: clamp(3.5rem, 6vw, 6rem);
  --section-padding-x: clamp(1rem, 4vw, 2rem);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.05);

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1 0 auto;
}

/* Focus styles for keyboard accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

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

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

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

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

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY SCALE & HEADING HIERARCHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: inherit;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2.35rem, 5.5vw, 3.85rem);
  line-height: 1.12;
  font-weight: 600;
}

h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.65rem);
  line-height: 1.2;
}

h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  line-height: 1.3;
}

h4 {
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  line-height: 1.35;
}

p {
  margin-bottom: 1.25rem;
}

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

.lead {
  font-size: clamp(1.125rem, 1.8vw, 1.3rem);
  line-height: 1.6;
  color: var(--color-muted);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.eyebrow--light {
  color: rgba(255, 255, 255, 0.85);
}

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

/* Ensure high contrast on dark backgrounds (WCAG AA compliant) */
.signature-section .eyebrow--accent,
.booking-section .eyebrow--accent,
.article-header .eyebrow--accent,
.hero .eyebrow--accent,
.featured-paper .eyebrow--accent,
.case-study-hero .eyebrow--accent,
.dark-band .eyebrow--accent,
[class*="--dark"] .eyebrow--accent {
  color: #fbbf24;
}

/* --------------------------------------------------------------------------
   4. LAYOUT UTILITIES & CONTAINERS
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--section-padding-x);
}

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

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

.section-header {
  margin-bottom: clamp(2.5rem, 4vw, 3.75rem);
}

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

/* Section Band Theme Variations (Strictly alternating color bands) */
.band--surface {
  background-color: var(--color-surface);
  color: var(--color-text);
}

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

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

.band--primary h2, .band--primary h3, .band--primary h4 {
  color: #ffffff;
}

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

.band--dark h2, .band--dark h3, .band--dark h4 {
  color: #ffffff;
}

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

.band--hero-bg h2, .band--hero-bg h3, .band--hero-bg h4 {
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   5. TOP BAR (DESKTOP & MOBILE RESTRICTIONS)
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8125rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1001;
}

.top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 38px;
}

.top-bar__list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  flex-wrap: nowrap;
}

.top-bar__item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}

.top-bar__link {
  color: rgba(255, 255, 255, 0.9);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition-fast);
}

.top-bar__link:hover {
  color: #ffffff;
  text-decoration: underline;
}

.top-bar__icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  fill: currentColor;
}

.top-bar__label--mobile {
  display: none;
}

/* Phone top bar: Exactly one row, at most 36px tall, max 2-3 links with short label */
@media (max-width: 767px) {
  .top-bar {
    height: 36px;
    overflow: hidden;
  }
  .top-bar__inner {
    height: 36px;
    justify-content: center;
  }
  .top-bar__list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    width: 100%;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
  }
  .top-bar__item--desktop-only {
    display: none !important;
  }
  .top-bar__label--desktop {
    display: none !important;
  }
  .top-bar__label--mobile {
    display: inline !important;
    font-size: 0.8125rem;
    font-weight: 500;
  }
}

/* --------------------------------------------------------------------------
   6. STICKY HEADER & MOBILE NAVIGATION DRAWER
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: nowrap;
  height: 72px;
}

/* Logo link is the home link */
.header-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  flex: 0 1 auto;
  text-decoration: none;
  color: var(--color-dark);
}

.header-logo:hover {
  color: var(--color-primary);
}

.header-logo__emblem {
  width: clamp(34px, 4vw, 42px);
  height: clamp(34px, 4vw, 42px);
  flex-shrink: 0;
}

.header-logo__text-group {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.header-logo__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 4vw, 1.35rem);
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

.header-logo__subtitle {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.desktop-nav__link {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.desktop-nav__link:hover {
  color: var(--color-primary);
}

.desktop-nav__link.is-active {
  color: var(--color-primary);
}

.desktop-nav__link.is-active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Actions & Menu Toggle Button */
.mobile-action-call {
  display: none;
}

.menu-toggle {
  display: none;
}

/* Mobile Header Constraints (< 768px) */
@media (max-width: 767px) {
  .site-header__inner {
    height: 60px; /* One row, 56-64px tall */
    gap: 8px;
  }

  .header-logo {
    height: clamp(32px, 9vw, 44px);
    max-width: min(60vw, 200px);
    width: auto;
    overflow: hidden;
  }

  .header-logo__emblem {
    width: clamp(28px, 7vw, 36px);
    height: clamp(28px, 7vw, 36px);
    flex-shrink: 0;
  }

  .header-logo__title {
    font-size: clamp(0.85rem, 3.2vw, 1rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .header-logo__subtitle {
    display: none; /* Drop secondary text on phones */
  }

  .desktop-nav {
    display: none;
  }

  .header-actions .btn {
    display: none; /* Desktop text CTA hidden on phones */
  }

  .mobile-action-call {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border: 1px solid rgba(27, 91, 153, 0.18);
    flex-shrink: 0;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    margin-inline-start: auto;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-dark);
    cursor: pointer;
    position: relative;
  }

  .menu-toggle__icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
    transition: transform var(--transition-fast);
  }

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

  .menu-toggle[aria-expanded="false"] .menu-toggle__icon--close {
    display: none;
  }
}

/* Mobile Drawer (Full-width slide down panel below header) */
.mobile-drawer {
  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);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: max-height 0.35s ease, opacity 0.25s ease;
  z-index: 999;
}

.mobile-drawer.is-open {
  max-height: 85vh;
  opacity: 1;
  pointer-events: auto;
  overflow-y: auto;
}

.mobile-drawer__inner {
  padding: 1.5rem 1rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-md);
  background-color: var(--color-background);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-link:hover, .mobile-nav-link.is-active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.mobile-drawer__footer {
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-drawer__contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   7. BUTTONS & CALL-TO-ACTIONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  min-height: 48px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.btn--primary {
  background-color: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(166, 83, 11, 0.25);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  color: #ffffff;
  box-shadow: 0 4px 8px rgba(166, 83, 11, 0.35);
  transform: translateY(-1px);
}

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

.btn--secondary:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-muted);
  color: var(--color-dark);
}

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

.btn--hero-secondary:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: #ffffff;
  color: #ffffff;
}

.btn--white {
  background-color: #ffffff;
  color: var(--color-dark);
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.btn--white:hover {
  background-color: #f8fafc;
  color: var(--color-primary);
  transform: translateY(-1px);
}

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

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

/* --------------------------------------------------------------------------
   8. HERO SECTION (COLOURFUL, NEVER WHITE)
   -------------------------------------------------------------------------- */
.hero {
  background: linear-gradient(135deg, var(--color-hero-bg) 0%, var(--color-primary) 100%);
  color: var(--color-hero-text);
  padding-block: clamp(4rem, 8vw, 7rem);
  position: relative;
  overflow: hidden;
}

/* 4% Opacity Precision Financial Grid Texture */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 1;
}

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

.hero__content {
  max-width: 860px;
  margin-inline: auto;
  text-align: center;
}

.hero__proof-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-full);
  padding: 0.5rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 1.75rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.hero__proof-stars {
  color: #f59e0b;
  letter-spacing: 0.1em;
}

.hero__headline {
  color: #ffffff;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero__subheadline {
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 2.25rem;
  max-width: 760px;
  margin-inline: auto;
}

.hero__cta-group {
  justify-content: center;
  margin-bottom: 2.5rem;
}

.hero__guarantee-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.75rem;
}

.hero__guarantee-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.hero__guarantee-icon {
  width: 18px;
  height: 18px;
  fill: #34d399; /* Green tick */
}

/* --------------------------------------------------------------------------
   9. PROOF & METRICS BAND (FULL WIDTH PRIMARY BAND)
   -------------------------------------------------------------------------- */
.metrics-band {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
  padding-block: clamp(2.5rem, 4vw, 3.5rem);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-inline: 0.5rem;
  border-inline-end: 1px solid rgba(255, 255, 255, 0.15);
}

.metric-item:last-child {
  border-inline-end: none;
}

@media (max-width: 767px) {
  .metric-item {
    border-inline-end: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding-bottom: 1.5rem;
  }
  .metric-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
}

.metric-value {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1;
  color: #ffffff;
}

.metric-label {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.85);
}

/* --------------------------------------------------------------------------
   10. SECTORS SUPPORTED SECTION
   -------------------------------------------------------------------------- */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.sector-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

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

.sector-card__icon-wrap {
  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-bottom: 1.5rem;
}

.sector-card__icon {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.sector-card__title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.sector-card__body {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.sector-card__link {
  font-weight: 600;
  font-size: 0.9375rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-primary);
}

.sector-card__link:hover {
  text-decoration: underline;
  gap: 0.6rem;
}

/* --------------------------------------------------------------------------
   11. ASSESSMENT MODULES (WHAT'S INCLUDED)
   -------------------------------------------------------------------------- */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.75rem;
}

.module-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition-normal);
}

.module-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.module-card__badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.module-card__num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.module-card__title {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
  color: var(--color-dark);
}

.module-card__desc {
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.module-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text);
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 1rem;
}

.module-card__list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.module-card__list-icon {
  width: 16px;
  height: 16px;
  fill: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

/* --------------------------------------------------------------------------
   12. SIGNATURE CASE STUDY SECTION (VARIANT A SIGNATURE: FULL-WIDTH DARK BAND)
   -------------------------------------------------------------------------- */
.signature-section {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
  padding-block: clamp(4.5rem, 8vw, 7rem);
  position: relative;
  overflow: hidden;
  border-top: 3px solid var(--color-accent);
  border-bottom: 3px solid var(--color-primary);
}

.signature-section::after {
  content: "£38,000+";
  position: absolute;
  right: -5%;
  bottom: -15%;
  font-family: var(--font-display);
  font-size: clamp(8rem, 22vw, 24rem);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.02);
  line-height: 1;
  pointer-events: none;
  z-index: 0;
}

.signature-content {
  position: relative;
  z-index: 1;
}

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

@media (min-width: 992px) {
  .case-study-hero {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }
}

.case-study-headline {
  font-size: clamp(2rem, 4vw, 3.25rem);
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.case-study-pullquote {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  font-style: italic;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.95);
  border-inline-start: 4px solid var(--color-accent);
  padding-inline-start: 1.5rem;
  margin-bottom: 1.5rem;
}

.case-study-client {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.case-study-avatar {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.15rem;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.case-study-author-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
}

.case-study-author-title {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.case-study-metric-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  text-align: center;
  backdrop-filter: blur(10px);
}

.case-study-big-number {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.75rem);
  font-weight: 700;
  color: #f59e0b; /* Burnished Amber gold */
  line-height: 1;
  margin-bottom: 0.5rem;
}

.case-study-metric-desc {
  font-size: 1.1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.case-study-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 2.5rem;
}

.breakdown-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.breakdown-card__title {
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breakdown-card__text {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   13. 4-STAGE EFFICIENCY FRAMEWORK PROCESS
   -------------------------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  position: relative;
}

.process-step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

.process-step__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 1rem;
}

.process-step__title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.process-step__desc {
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   14. WHY CHOOSE OBE & VERIFIED HEADQUARTERS MEDIA
   -------------------------------------------------------------------------- */
.why-us-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 992px) {
  .why-us-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.why-us-media {
  position: relative;
}

.why-us-image-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  aspect-ratio: 966 / 454;
  background-color: var(--color-dark);
}

.why-us-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.why-us-badge {
  position: absolute;
  bottom: -1.25rem;
  right: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 320px;
}

.why-us-badge__icon {
  width: 36px;
  height: 36px;
  fill: var(--color-accent);
  flex-shrink: 0;
}

.why-us-badge__text {
  font-size: 0.875rem;
  line-height: 1.35;
  color: var(--color-text);
  font-weight: 600;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.pillar-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pillar-item__title {
  font-size: 1.15rem;
  color: var(--color-dark);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pillar-item__title-icon {
  width: 18px;
  height: 18px;
  fill: var(--color-primary);
  flex-shrink: 0;
}

.pillar-item__desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   15. VERIFIED CLIENT TESTIMONIALS (GOOGLE REVIEWS)
   -------------------------------------------------------------------------- */
.testimonials-header-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.testimonial-stars {
  color: #b45309;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.testimonial-stars-meta {
  color: #b45309;
}

.testimonial-quote {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text);
  font-style: italic;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

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

.testimonial-author-name {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-dark);
}

.testimonial-source {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-muted);
}

.testimonial-source-icon {
  width: 14px;
  height: 14px;
}

/* --------------------------------------------------------------------------
   16. ACCORDION FAQ (SEMANTIC & ARIA COMPLIANT)
   -------------------------------------------------------------------------- */
.faq-accordion {
  max-width: 820px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

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

.faq-heading {
  margin: 0;
  padding: 0;
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-dark);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

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

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: transform var(--transition-normal);
}

.faq-item.is-expanded .faq-icon {
  transform: rotate(45deg);
}

.faq-panel {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.faq-panel[hidden] {
  display: none;
}

/* --------------------------------------------------------------------------
   17. CLOSING CTA CONSULTATION BAND (DEEP NAVY HERO-BG)
   -------------------------------------------------------------------------- */
.booking-section {
  background: linear-gradient(135deg, var(--color-hero-bg) 0%, var(--color-primary) 100%);
  color: var(--color-hero-text);
  padding-block: clamp(4.5rem, 8vw, 7rem);
  position: relative;
  overflow: hidden;
}

.booking-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.booking-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: start;
}

@media (min-width: 992px) {
  .booking-layout {
    grid-template-columns: 1.1fr 1fr;
  }
}

.booking-info h2 {
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.booking-info .lead {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

.booking-checkmarks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.booking-checkmarks__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.05rem;
  color: #ffffff;
}

.booking-checkmarks__icon {
  width: 20px;
  height: 20px;
  fill: #34d399;
  flex-shrink: 0;
}

.booking-contact-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.booking-contact-card__item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: #ffffff;
}

.booking-contact-card__icon {
  width: 20px;
  height: 20px;
  fill: var(--color-accent);
  flex-shrink: 0;
}

.booking-contact-card__link {
  color: #ffffff;
  font-weight: 600;
  text-decoration: underline;
}

.booking-form-wrap {
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  box-shadow: var(--shadow-xl);
}

.booking-form-header {
  margin-bottom: 1.75rem;
  text-align: center;
}

.booking-form-header h3 {
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.booking-form-header p {
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   18. ACCESSIBLE FORMS & VALIDATION STATES
   -------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 600px) {
  .form-grid--two-col {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark);
}

.form-label .required {
  color: #dc2626;
  margin-inline-start: 2px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27, 91, 153, 0.15);
  outline: none;
}

.form-textarea {
  resize: vertical;
  min-height: 90px;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.8125rem;
  color: var(--color-muted);
  cursor: pointer;
  line-height: 1.45;
}

.form-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.form-notice {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-align: center;
  margin-top: 0.75rem;
}

.form-alert {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  display: none;
}

.form-alert--success {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-alert--error {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* --------------------------------------------------------------------------
   19. DATA TABLES (TABULAR FINANCIAL DATA FOR GEO / PERPLEXITY CITABILITY)
   -------------------------------------------------------------------------- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-block: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.data-table th, .data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  background-color: var(--color-background);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-dark);
}

.data-table tbody tr:hover {
  background-color: var(--color-surface-hover);
}

.data-table td.numeric {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.data-table td.highlight {
  color: var(--color-primary);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   20. EDITORIAL ARTICLE STYLES (FOR ARTICLE PAGE)
   -------------------------------------------------------------------------- */
.article-header {
  padding-block: clamp(3rem, 6vw, 5rem);
  background: linear-gradient(135deg, var(--color-hero-bg) 0%, var(--color-primary) 100%);
  color: #ffffff;
}

.article-header__meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.article-header__title {
  color: #ffffff;
  margin-bottom: 1.25rem;
  max-width: 880px;
}

.article-content {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text);
  max-width: 820px;
  margin-inline: auto;
}

.article-content h2 {
  margin-top: 3rem;
  margin-bottom: 1rem;
  color: var(--color-dark);
}

.article-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.article-callout {
  background-color: var(--color-surface);
  border-inline-start: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  margin-block: 2rem;
  box-shadow: var(--shadow-sm);
}

.article-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-block: 1.5rem;
}

.article-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.article-checklist__icon {
  width: 20px;
  height: 20px;
  fill: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

/* --------------------------------------------------------------------------
   21. UNIVERSAL FOOTER (4-COLUMN EDITORIAL ARCHITECTURE)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
  padding-top: clamp(4rem, 6vw, 5.5rem);
  padding-bottom: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 3rem 2rem;
  margin-bottom: 3.5rem;
}

.footer-col__title {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.footer-col__text {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-contact-icon {
  width: 18px;
  height: 18px;
  fill: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

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

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

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

.footer-bottom__links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-bottom__links a {
  color: rgba(255, 255, 255, 0.6);
}

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

/* --------------------------------------------------------------------------
   22. BACK-TO-TOP BUTTON (CLASSIC RESTORATION)
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-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;
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, 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-dark);
  transform: translateY(-2px);
}

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

/* --------------------------------------------------------------------------
   23. ACCESSIBLE REVEAL-ON-SCROLL ANIMATIONS (RESPECTS PREFERS-REDUCED-MOTION)
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }

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

/* If user has reduced motion enabled, keep everything immediately visible */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --------------------------------------------------------------------------
   24. PRINT STYLES
   -------------------------------------------------------------------------- */
@media print {
  .top-bar, .site-header, .back-to-top, .booking-section, .btn {
    display: none !important;
  }
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .band--primary, .band--dark, .band--hero-bg, .signature-section {
    background: transparent !important;
    color: #000000 !important;
  }
}