/* ==========================================================================
   CLARITY BY DAVID HOLDEN — DESIGN SYSTEM & STYLESHEET
   Variant A: Editorial Authority (Professional & B2B Hospitality Services)
   Strictly derived from design_brief.json & design_playbook.md
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. ROOT VARIABLES & PALETTE
   -------------------------------------------------------------------------- */
:root {
  /* Exact palette from design_brief.json */
  --color-bg: #faf9f6;
  --color-surface: #ffffff;
  --color-text: #141a24;
  --color-muted: #505b6d;
  --color-primary: #c9a84c;
  --color-primary-text: #0d1727;
  --color-accent: #1a2d5a;
  --color-dark: #0f1a30;
  --color-dark-text: #f8fafc;

  /* Derived contextual tokens (strictly based on brief hex values) */
  --color-surface-alt: #f4f2ec;
  --color-border: rgba(20, 26, 36, 0.12);
  --color-border-subtle: rgba(20, 26, 36, 0.06);
  --color-border-dark: rgba(248, 250, 252, 0.15);
  --color-primary-hover: #b8963d;
  --color-primary-subtle: rgba(201, 168, 76, 0.12);
  --color-accent-hover: #223b75;
  --color-accent-subtle: rgba(26, 45, 90, 0.08);
  --color-dark-surface: #15223e;
  --color-success: #205c3b;
  --color-danger: #8a2525;

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

  /* Fluid Spacing Scale */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;

  /* Border Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 3px rgba(20, 26, 36, 0.05);
  --shadow-md: 0 4px 12px rgba(20, 26, 36, 0.07);
  --shadow-lg: 0 12px 32px rgba(20, 26, 36, 0.1);
  --shadow-card: 0 0 0 1px rgba(20, 26, 36, 0.08), 0 2px 6px rgba(20, 26, 36, 0.04);
  --shadow-card-hover: 0 0 0 1px rgba(201, 168, 76, 0.4), 0 8px 24px rgba(20, 26, 36, 0.08);

  /* Layout Constraints */
  --container-max: 1200px;
  --container-narrow: 840px;
  --header-height: 76px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-dark);
  color: var(--color-primary);
  padding: 0.75rem 1.25rem;
  z-index: 10000;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Focus Visible */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

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

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

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

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  color: var(--color-text);
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.2rem, 4.5vw + 0.8rem, 3.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 3vw + 0.5rem, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 1.8vw + 0.4rem, 1.6rem);
  line-height: 1.3;
}

h4 {
  font-size: 1.125rem;
  line-height: 1.4;
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
  color: var(--color-text);
}

p.lead {
  font-size: clamp(1.1rem, 1vw + 0.9rem, 1.3rem);
  line-height: 1.6;
  color: var(--color-muted);
}

.text-muted {
  color: var(--color-muted);
}

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

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

.tabular-nums {
  font-variant-numeric: tabular-nums lining-nums;
}

/* --------------------------------------------------------------------------
   4. LAYOUT & CONTAINERS
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 2rem;
  }
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.section {
  padding-block: clamp(3rem, 6vw, 5.5rem);
  position: relative;
}

.section-alt {
  background-color: var(--color-surface);
  border-block: 1px solid var(--color-border-subtle);
}

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

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-dark-text);
}

.section-dark p {
  color: #c4cdd8;
}

.section-dark .text-muted {
  color: #94a3b8;
}

.section-header {
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
}

.section-header.text-center {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

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

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  background-color: currentColor;
}

/* --------------------------------------------------------------------------
   5. BUTTONS & INTERACTIVE ELEMENTS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.625rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  min-height: 48px;
  line-height: 1;
  transition: all 0.2s ease;
  white-space: nowrap;
}

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

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

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

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-outline-light {
  background-color: transparent;
  color: var(--color-dark-text);
  border-color: rgba(248, 250, 252, 0.4);
}

.btn-outline-light:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: rgba(201, 168, 76, 0.08);
}

.btn-sm {
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  min-height: 42px;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  align-items: center;
}

/* --------------------------------------------------------------------------
   6. HEADER & STICKY NAVIGATION
   -------------------------------------------------------------------------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(250, 249, 246, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Brand Logo (Home link) */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  min-height: 48px;
}

.logo-symbol {
  width: 38px;
  height: 38px;
  background-color: var(--color-dark);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1;
  letter-spacing: -0.02em;
}

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

.logo-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.04em;
  line-height: 1.1;
}

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

/* Desktop Nav */
.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

@media (min-width: 960px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: color 0.2s ease;
}

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

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

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

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

.header-phone {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-alt);
  min-height: 40px;
}

.header-phone:hover {
  background-color: #ebe7de;
}

@media (min-width: 1100px) {
  .header-phone {
    display: inline-flex;
  }
}

/* Mobile Toggle */
.mobile-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  gap: 5px;
}

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

.hamburger-line {
  width: 22px;
  height: 2px;
  background-color: var(--color-dark);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  inset-inline: 0;
  bottom: 0;
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  z-index: 999;
}

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

.mobile-nav-link {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-dark);
  padding: 0.875rem 0.5rem;
  border-bottom: 1px solid var(--color-border-subtle);
  min-height: 48px;
  display: flex;
  align-items: center;
}

.mobile-nav-link.active {
  color: var(--color-accent);
  border-inline-start: 3px solid var(--color-primary);
  padding-inline-start: 0.75rem;
}

.mobile-drawer-contact {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* --------------------------------------------------------------------------
   7. HERO COMPONENT (TYPOGRAPHIC VARIANT A)
   -------------------------------------------------------------------------- */
.hero {
  padding-block: clamp(3.5rem, 7vw, 6rem) clamp(2.5rem, 5vw, 4.5rem);
  background: linear-gradient(180deg, var(--color-bg) 0%, #f4f0e6 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-content {
  max-width: 920px;
}

.hero-proof-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 1rem;
  background-color: var(--color-surface);
  border: 1px solid rgba(201, 168, 76, 0.4);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.star-rating {
  color: #c9a84c;
  letter-spacing: 0.1em;
}

.hero-title {
  margin-bottom: 1.25rem;
  color: var(--color-dark);
}

.hero-subheadline {
  font-size: clamp(1.15rem, 1.6vw + 0.5rem, 1.5rem);
  line-height: 1.45;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

/* Direct-Answer AEO/GEO Summary Block */
.hero-summary-block {
  background-color: var(--color-surface);
  border-left: 3px solid var(--color-primary);
  padding: 1.125rem 1.375rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--color-text);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 2rem;
}

.hero-metrics-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .hero-metrics-strip {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

.metric-number {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.metric-label {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.3;
}

/* --------------------------------------------------------------------------
   8. SECTORS STRIP
   -------------------------------------------------------------------------- */
.sectors-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

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

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

.sector-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sector-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.sector-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.sector-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.sector-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   9. MARGIN LEAKAGE SYMPTOM CHECKLIST
   -------------------------------------------------------------------------- */
.symptom-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

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

.symptom-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.symptom-bullet {
  width: 28px;
  height: 28px;
  min-width: 28px;
  background-color: rgba(138, 37, 37, 0.1);
  color: var(--color-danger);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.symptom-text h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-dark);
}

.symptom-text p {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   10. SERVICES SECTION & COMPARISON TABLE
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.service-badge {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.625rem;
  background-color: var(--color-surface-alt);
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
}

.service-card h3 {
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.service-quote {
  font-style: italic;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.service-features {
  list-style: none;
  margin-block: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.4;
}

.service-features svg {
  color: var(--color-primary);
  min-width: 16px;
  margin-top: 3px;
}

.service-card .btn {
  margin-top: auto;
  width: 100%;
}

/* Service Comparison Table (AEO/GEO Highlight) */
.comparison-table-wrapper {
  overflow-x: auto;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-top: 2rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
  min-width: 680px;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border-subtle);
  vertical-align: top;
}

.comparison-table th {
  background-color: var(--color-surface-alt);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-dark);
}

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

.comparison-table td:first-child {
  font-weight: 600;
  color: var(--color-accent);
  width: 22%;
  background-color: rgba(250, 249, 246, 0.5);
}

/* --------------------------------------------------------------------------
   11. METHODOLOGY: THE 3-STEP METHOD
   -------------------------------------------------------------------------- */
.method-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

.method-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.method-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.75rem;
  opacity: 0.9;
}

.method-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.method-card p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.55;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   12. SIGNATURE MOMENT: FORENSIC CASE STUDIES (VARIANT A SPEC)
   -------------------------------------------------------------------------- */
.signature-section {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
  border-top: 3px solid var(--color-primary);
  padding-block: clamp(3.5rem, 7vw, 6rem);
}

.signature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (min-width: 900px) {
  .signature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.case-study-hero-card {
  background-color: var(--color-dark-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  display: flex;
  flex-direction: column;
  position: relative;
}

.case-stat-badge {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.4rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.case-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  margin-bottom: 1.25rem;
}

.case-study-hero-card h3 {
  color: #ffffff;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.case-study-hero-card p {
  color: #cbd5e1;
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.case-details-list {
  list-style: none;
  border-top: 1px solid rgba(248, 250, 252, 0.1);
  padding-top: 1rem;
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.case-details-list li {
  font-size: 0.875rem;
  color: #e2e8f0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.case-details-list li strong {
  color: var(--color-primary);
}

/* Executive Endorsement Pull-Quote */
.executive-quote-box {
  background: rgba(26, 45, 90, 0.4);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 2rem 2.25rem;
  margin-top: 1rem;
}

.quote-content {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  font-style: italic;
  line-height: 1.5;
  color: #f1f5f9;
  margin-bottom: 1.25rem;
}

.quote-author-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.quote-author-name {
  font-weight: 700;
  color: #ffffff;
  font-size: 1rem;
}

.quote-author-title {
  font-size: 0.875rem;
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   13. CREDENTIALS & FOUNDER AUTHORITY
   -------------------------------------------------------------------------- */
.credentials-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

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

.credentials-content h2 {
  margin-bottom: 1rem;
}

.philosophy-banner {
  background-color: var(--color-surface-alt);
  border-left: 3px solid var(--color-accent);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-block: 1.5rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-dark);
}

.timeline-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.timeline-item {
  display: flex;
  gap: 1rem;
}

.timeline-year {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-accent);
  min-width: 50px;
  font-size: 1.125rem;
}

.timeline-desc {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.5;
}

.credentials-badge-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.credentials-badge-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  color: var(--color-dark);
}

.org-tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.org-tag {
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-dark);
}

/* --------------------------------------------------------------------------
   14. TESTIMONIALS (VERIFIED GOOGLE REVIEWS)
   -------------------------------------------------------------------------- */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

.review-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.review-stars {
  color: #c9a84c;
  font-size: 0.9375rem;
  margin-bottom: 0.75rem;
}

.review-quote {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.review-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 0.75rem;
  margin-top: auto;
}

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

.review-source {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* --------------------------------------------------------------------------
   15. DIAGNOSTIC TOOLS TEASER & CALCULATORS
   -------------------------------------------------------------------------- */
.tools-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

.tool-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.tool-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-dark);
}

.tool-card p {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

/* Interactive Calculator Forms */
.calculator-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 800px) {
  .calc-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.375rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-height: 48px;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.25);
}

.calc-result-panel {
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.calc-metric {
  margin-bottom: 1rem;
}

.calc-metric:last-child {
  margin-bottom: 0;
}

.calc-metric-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
}

.calc-metric-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.1;
}

.calc-metric-value.highlight {
  color: var(--color-primary-text);
}

/* --------------------------------------------------------------------------
   16. ACCORDION FAQ SECTION
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 800px;
  margin-inline: auto;
}

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

.faq-trigger {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  min-height: 52px;
}

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

.faq-icon {
  width: 20px;
  height: 20px;
  min-width: 20px;
  transition: transform 0.25s ease;
  color: var(--color-accent);
}

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

.faq-panel {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

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

/* --------------------------------------------------------------------------
   17. CONTACT & CTA SECTION
   -------------------------------------------------------------------------- */
.contact-cta-band {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-accent) 100%);
  color: var(--color-dark-text);
  border-top: 3px solid var(--color-primary);
  padding-block: clamp(3rem, 6vw, 5rem);
  text-align: center;
}

.contact-cta-band h2 {
  color: #ffffff;
  margin-bottom: 1rem;
}

.contact-cta-band p {
  color: #cbd5e1;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

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

.contact-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-md);
}

.contact-meta-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-meta-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.contact-meta-title {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-dark);
  margin-bottom: 0.25rem;
}

.contact-meta-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.4;
  margin-bottom: 0;
}

/* Appointment Slot Picker */
.slot-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-block: 1rem 1.5rem;
}

@media (min-width: 500px) {
  .slot-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.slot-btn {
  padding: 0.625rem;
  font-size: 0.8125rem;
  font-weight: 600;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slot-btn:hover, .slot-btn.selected {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-text);
}

/* Google Map Embed Frame */
.map-frame-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  margin-top: 1.5rem;
  aspect-ratio: 16 / 9;
  background-color: var(--color-surface-alt);
}

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

/* --------------------------------------------------------------------------
   18. FOOTER
   -------------------------------------------------------------------------- */
footer.site-footer {
  background-color: var(--color-dark);
  color: #94a3b8;
  border-top: 3px solid var(--color-primary);
  padding-top: clamp(3rem, 5vw, 4.5rem);
  padding-bottom: 2rem;
  font-size: 0.875rem;
  margin-top: auto;
}

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

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

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  }
}

.footer-col h4 {
  font-family: var(--font-display);
  color: #f8fafc;
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
  font-weight: 600;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-links a {
  color: #94a3b8;
  transition: color 0.2s ease;
  min-height: 24px;
  display: inline-flex;
  align-items: center;
}

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

.footer-bottom {
  border-top: 1px solid rgba(248, 250, 252, 0.1);
  padding-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

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

.footer-credits {
  font-size: 0.8125rem;
  color: #64748b;
}

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

.social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: rgba(248, 250, 252, 0.08);
  border: 1px solid rgba(248, 250, 252, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cbd5e1;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.social-link:hover {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
  border-color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   19. BACK TO TOP BUTTON
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  border-radius: 50%;
  background-color: var(--color-dark);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.2s ease;
  z-index: 998;
}

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

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

/* --------------------------------------------------------------------------
   20. REVEAL-ON-SCROLL & MOTION (ACCESSIBLE / REDUCED-MOTION WRAPPED)
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}