/* ==========================================================================
   SBA STONE FOREST - PRODUCTION CORE STYLESHEET
   Playbook: Professional & B2B Services | Variant A: Editorial Authority
   Art Direction & Palette: design_brief.json | Typography: Source Serif 4 + Public Sans
   WCAG 2.1 AA Compliant | Mobile-First Responsive Architecture
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS & ROOT VARIABLES
   -------------------------------------------------------------------------- */
:root {
  /* Exact Palette from design_brief.json */
  --background: #fcfdfe;
  --surface: #f1f5f9;
  --text: #0f172a;
  --muted: #4b5563;
  --primary: #00629b;       /* Resolved WCAG AA contrast (4.54:1 on white) */
  --primary-text: #ffffff;
  --accent: #b93829;        /* Seal Vermilion */
  --dark: #0b192c;          /* Institutional Navy */
  --dark-text: #ffffff;

  /* Editorial & Extended Palette */
  --surface-card: #ffffff;
  --surface-subtle: #f8fafc;
  --surface-tint: #edf4fa;
  --border: #cbd5e1;
  --border-light: #e2e8f0;
  --border-dark: #334155;
  --primary-hover: #004d7a;
  --primary-light: #e6f1f8;
  --accent-hover: #982d20;
  --accent-light: #fbeee8;
  --focus-ring: #00629b;
  --success: #15803d;
  --success-bg: #dcfce7;

  /* Typography */
  --font-display: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-body: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Fluid Type Scale using clamp() */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.825rem + 0.25vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.4375rem);
  --text-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
  --text-3xl: clamp(1.875rem, 1.65rem + 1.1vw, 2.375rem);
  --text-4xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);
  --text-hero: clamp(2.5rem, 2.1rem + 2vw, 3.75rem);

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout & Radii */
  --max-width: 1280px;
  --max-width-narrow: 960px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

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

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--background);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  overflow-x: clip; /* Protect sticky header without disabling it */
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip; /* Never use overflow: hidden/auto here to preserve sticky */
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--dark);
  color: var(--dark-text);
  padding: var(--space-3) var(--space-5);
  z-index: 9999;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
  outline: 3px solid var(--accent);
}

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

/* Accessible focus styling */
:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY (Editorial Authority)
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-hero); font-weight: 700; }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  margin-bottom: var(--space-4);
  color: var(--text);
}

p.lead {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--muted);
}

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

.kicker {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: var(--space-2);
}

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

/* --------------------------------------------------------------------------
   4. LAYOUT UTILITIES
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.container-narrow {
  width: 100%;
  max-width: var(--max-width-narrow);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section {
  padding-block: var(--space-16);
  position: relative;
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-20);
  }
}

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

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

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

.section-header {
  margin-bottom: var(--space-12);
}

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

/* --------------------------------------------------------------------------
   5. BUTTONS & INTERACTIVE ELEMENTS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.3;
  min-height: 48px; /* Strict touch target requirement */
  min-width: 48px;
}

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

.btn-primary:hover, .btn-primary:focus-visible {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #ffffff;
}

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

.btn-secondary:hover, .btn-secondary:focus-visible {
  background-color: var(--primary-light);
  color: var(--primary-hover);
}

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

.btn-accent:hover, .btn-accent:focus-visible {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #ffffff;
}

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

.btn-dark:hover, .btn-dark:focus-visible {
  background-color: #172a45;
  border-color: #172a45;
}

.btn-white {
  background-color: #ffffff;
  color: var(--dark);
  border-color: #ffffff;
}

.btn-white:hover, .btn-white:focus-visible {
  background-color: var(--surface);
  color: var(--text);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

/* --------------------------------------------------------------------------
   6. TOP BAR (GOVERNANCE & DIRECT CONTACT)
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: var(--dark);
  color: #e2e8f0;
  font-size: var(--text-xs);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-block: var(--space-2);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.top-bar-heritage {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.top-bar-heritage strong {
  color: #ffffff;
  font-weight: 600;
}

.top-bar-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.top-bar-links a {
  color: #e2e8f0;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.top-bar-links a:hover,
.top-bar-links a:focus-visible {
  color: #ffffff;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   7. STICKY HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: var(--space-4);
}

/* Logo Link */
.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  min-height: 48px;
  min-width: 48px;
}

.logo-link img {
  height: 40px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

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

@media (min-width: 992px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0.5rem 0.875rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover, .nav-link:focus-visible {
  color: var(--primary);
  background-color: var(--surface-subtle);
}

.nav-link.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  border-radius: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-cta {
  display: none;
}

@media (min-width: 640px) {
  .header-cta {
    display: inline-flex;
  }
}

/* Mobile Menu Toggle Button */
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  padding: var(--space-2);
}

@media (min-width: 992px) {
  .menu-toggle {
    display: none;
  }
}

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

.menu-icon {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  inset-inline-end: 0;
  width: min(340px, 100vw);
  height: 100vh;
  background-color: #ffffff;
  box-shadow: var(--shadow-lg);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
}

[dir="rtl"] .mobile-drawer {
  transform: translateX(-100%);
}

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

.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 25, 44, 0.5);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal);
}

.mobile-drawer-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-light);
}

.close-drawer-btn {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text);
  border-radius: var(--radius-sm);
}

.close-drawer-btn:hover {
  background-color: var(--surface);
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav-link {
  display: block;
  min-height: 48px;
  line-height: 48px;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  padding-inline: var(--space-3);
  border-radius: var(--radius-sm);
}

.mobile-nav-link:hover, .mobile-nav-link:focus-visible {
  background-color: var(--surface);
  color: var(--primary);
}

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

.mobile-drawer-footer {
  margin-top: auto;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* --------------------------------------------------------------------------
   8. HERO SECTION (Split Layout)
   -------------------------------------------------------------------------- */
.hero-section {
  padding-block: var(--space-12) var(--space-16);
  background: linear-gradient(180deg, #ffffff 0%, var(--surface) 100%);
  border-bottom: 1px solid var(--border-light);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-12);
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* Real Proof Badge */
.proof-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.875rem;
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: 9999px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.proof-pill .stars {
  color: #eab308; /* Star gold */
  font-size: 0.95rem;
}

.proof-pill .separator {
  color: var(--border);
}

.hero-headline {
  margin-bottom: var(--space-4);
  color: var(--dark);
}

.hero-subheadline {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--muted);
  margin-bottom: var(--space-8);
  max-width: 620px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  width: 100%;
}

.hero-ctas .btn {
  flex: 1 1 auto;
}

@media (min-width: 640px) {
  .hero-ctas .btn {
    flex: 0 0 auto;
  }
}

.hero-trust-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-light);
  width: 100%;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--muted);
}

.trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

/* Hero Media Wrapper (CLS Protection) */
.hero-media {
  position: relative;
  width: 100%;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  background-color: #0b192c;
  aspect-ratio: 16 / 10;
}

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

.hero-float-card {
  position: absolute;
  bottom: -20px;
  inset-inline-start: -10px;
  background-color: #ffffff;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  border-inline-start: 4px solid var(--accent);
  max-width: 280px;
}

@media (max-width: 640px) {
  .hero-float-card {
    position: static;
    margin-top: var(--space-4);
    max-width: 100%;
  }
}

.hero-float-card .metric {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.1;
}

.hero-float-card .label {
  font-size: var(--text-xs);
  color: var(--muted);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   9. SECTORS SERVED SECTION
   -------------------------------------------------------------------------- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
}

.sector-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

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

.sector-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background-color: var(--surface-tint);
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.sector-icon svg {
  width: 24px;
  height: 24px;
}

.sector-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.sector-card p {
  font-size: var(--text-sm);
  color: var(--muted);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.sector-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sector-link:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   10. SERVICES & OUTCOMES SECTION (The 7 Pillars)
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

@media (min-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-fast);
}

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

.service-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--primary);
  background-color: var(--surface-tint);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  align-self: flex-start;
}

.service-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--muted);
  margin-bottom: var(--space-4);
}

.service-outcomes-list {
  list-style: none;
  margin-bottom: var(--space-6);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-outcomes-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text);
}

.service-outcomes-list li svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   11. BUSINESS LIFE CYCLE SECTION (Start Up -> Build Up -> Scale Up)
   -------------------------------------------------------------------------- */
.lifecycle-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  position: relative;
}

@media (min-width: 992px) {
  .lifecycle-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.lifecycle-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-8) var(--space-6);
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.lifecycle-step-num {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.lifecycle-card.active .lifecycle-step-num {
  color: var(--primary);
}

.lifecycle-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.lifecycle-card .lifecycle-target {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.lifecycle-deliverables {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-light);
}

.lifecycle-deliverables li {
  font-size: var(--text-sm);
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lifecycle-deliverables li::before {
  content: "•";
  color: var(--primary);
  font-size: 1.25rem;
  line-height: 1;
}

/* --------------------------------------------------------------------------
   12. SIGNATURE MODULE: EDITORIAL PULL-QUOTE CASE STUDY
   (Variant A: Editorial Authority - Prominent Pull-Quote & Result Figures)
   -------------------------------------------------------------------------- */
.signature-section {
  background-color: var(--dark);
  color: var(--dark-text);
  padding-block: var(--space-20);
  position: relative;
  overflow: hidden;
}

.signature-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 992px) {
  .signature-container {
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-12);
  }
}

.signature-content {
  display: flex;
  flex-direction: column;
}

.signature-kicker {
  color: #93c5fd; /* Soft slate-blue */
}

.signature-title {
  color: #ffffff;
  margin-bottom: var(--space-6);
}

.signature-quote-box {
  position: relative;
  padding-inline-start: var(--space-6);
  border-inline-start: 4px solid var(--accent);
  margin-bottom: var(--space-8);
}

.signature-quote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  line-height: 1.5;
  color: #f1f5f9;
  margin-bottom: var(--space-4);
}

.signature-client-meta {
  font-size: var(--text-sm);
  color: #94a3b8;
}

.signature-client-meta strong {
  color: #ffffff;
}

.signature-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: var(--space-1);
}

.stat-number span {
  color: var(--accent);
}

.stat-label {
  font-size: var(--text-xs);
  color: #cbd5e1;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.signature-media {
  position: relative;
}

.signature-media-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  aspect-ratio: 4 / 3;
}

.signature-media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.signature-badge-overlay {
  position: absolute;
  top: var(--space-4);
  inset-inline-end: var(--space-4);
  background: rgba(11, 25, 44, 0.9);
  backdrop-filter: blur(8px);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   13. WHY US / INSTITUTIONAL CREDENTIALS SECTION
   -------------------------------------------------------------------------- */
.credentials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

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

.credential-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast);
}

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

.credential-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--surface-tint);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.credential-icon svg {
  width: 26px;
  height: 26px;
}

.credential-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.credential-card p {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   14. CLIENT TESTIMONIALS SECTION (Real Google Reviews)
   -------------------------------------------------------------------------- */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

@media (min-width: 1200px) {
  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.review-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.review-stars {
  color: #eab308;
  font-size: 1rem;
  margin-bottom: var(--space-3);
  letter-spacing: 2px;
}

.review-text {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text);
  font-style: italic;
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.review-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-light);
}

.review-author {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--dark);
}

.review-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--muted);
  font-weight: 500;
}

.review-badge svg {
  width: 14px;
  height: 14px;
  color: #4285f4; /* Google blue */
}

/* --------------------------------------------------------------------------
   15. CHINA REGULATORY FAQ SECTION (AEO/SEO Remediation)
   -------------------------------------------------------------------------- */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  max-width: 900px;
  margin-inline: auto;
}

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

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

.faq-question {
  width: 100%;
  text-align: start;
  background: transparent;
  border: none;
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  min-height: 48px;
}

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

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

.faq-answer {
  padding: 0 var(--space-6) var(--space-6) var(--space-6);
  font-size: var(--text-base);
  color: var(--muted);
  line-height: 1.6;
  display: none;
}

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

/* --------------------------------------------------------------------------
   16. CONSULTATION CTA BAND
   -------------------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(135deg, var(--dark) 0%, #172a45 100%);
  color: var(--dark-text);
  padding-block: var(--space-16);
  border-top: 4px solid var(--accent);
}

.cta-band-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
  margin-inline: auto;
}

.cta-band h2 {
  color: #ffffff;
  margin-bottom: var(--space-4);
}

.cta-band p {
  color: #cbd5e1;
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
}

/* --------------------------------------------------------------------------
   17. SITE FOOTER (Multi-Column Architecture)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--dark);
  color: #cbd5e1;
  font-size: var(--text-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-top {
  padding-block: var(--space-16) var(--space-12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

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

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--space-8);
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo {
  display: flex;
  align-items: center;
}

.footer-logo img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1); /* Crisp white on dark background */
}

.footer-col h3 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ffffff;
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-block;
  padding-block: 0.2rem;
}

.footer-links a:hover, .footer-links a:focus-visible {
  color: #ffffff;
  text-decoration: underline;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: #93c5fd;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item a {
  color: #cbd5e1;
  text-decoration: none;
}

.footer-contact-item a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  padding-block: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-xs);
  color: #94a3b8;
}

.footer-bottom-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
}

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

.footer-credits {
  color: #94a3b8;
}

/* --------------------------------------------------------------------------
   18. FLOATING CONTROLS: BACK-TO-TOP & WHATSAPP
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  inset-inline-end: var(--space-6);
  width: 48px;
  height: 48px;
  background-color: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
}

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

.back-to-top:hover, .back-to-top:focus-visible {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
}

.floating-whatsapp {
  position: fixed;
  bottom: calc(var(--space-6) + 60px);
  inset-inline-end: var(--space-6);
  width: 48px;
  height: 48px;
  background-color: #25d366; /* WhatsApp green */
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 990;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.floating-whatsapp:hover, .floating-whatsapp:focus-visible {
  transform: scale(1.08);
  box-shadow: var(--shadow-lg);
}

.floating-whatsapp svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

/* --------------------------------------------------------------------------
   19. SUBPAGE SPECIFIC STYLES (About, Services, Success Stories, Contact)
   -------------------------------------------------------------------------- */
.subpage-hero {
  background: linear-gradient(180deg, #ffffff 0%, var(--surface) 100%);
  padding-block: var(--space-12) var(--space-16);
  border-bottom: 1px solid var(--border-light);
}

.breadcrumb-nav {
  margin-bottom: var(--space-4);
  font-size: var(--text-xs);
  color: var(--muted);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}

.breadcrumb-list a {
  color: var(--primary);
  text-decoration: none;
}

.breadcrumb-list a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--border);
}

/* Milestones Timeline */
.timeline {
  position: relative;
  max-width: 860px;
  margin-inline: auto;
  padding-inline-start: var(--space-8);
  border-inline-start: 2px solid var(--primary);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-10);
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 4px;
  inset-inline-start: calc(-1 * var(--space-8) - 7px);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--accent);
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 2px var(--primary);
}

.timeline-year {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-1);
}

.timeline-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: var(--space-2);
}

.timeline-desc {
  font-size: var(--text-sm);
  color: var(--muted);
}

/* 7Ps Core Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.value-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--primary);
}

.value-card:nth-child(even) {
  border-top-color: var(--accent);
}

.value-num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--muted);
  opacity: 0.4;
  margin-bottom: var(--space-2);
}

.value-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

/* Leadership Profiles */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
}

.team-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.team-name {
  font-size: var(--text-2xl);
  color: var(--dark);
  margin-bottom: var(--space-1);
}

.team-role {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.team-bio {
  font-size: var(--text-sm);
  color: var(--muted);
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.team-contact {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-light);
  font-size: var(--text-xs);
}

.team-contact a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.team-contact a:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* Offices Directory Grid */
.offices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.office-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.office-city {
  font-size: var(--text-xl);
  color: var(--dark);
  margin-bottom: var(--space-1);
}

.office-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--primary);
  background-color: var(--surface-tint);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}

.office-address {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.office-phone {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
}

.office-phone a {
  color: var(--primary);
  text-decoration: none;
}

/* Contact Form & Map Layout */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

@media (min-width: 992px) {
  .contact-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-12);
  }
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--dark);
  margin-bottom: var(--space-2);
}

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

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 98, 155, 0.15);
  outline: none;
}

textarea.form-control {
  min-height: 130px;
  resize: vertical;
}

.form-feedback {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  display: none;
}

.form-feedback.is-success {
  display: block;
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid #86efac;
}

/* Map Wrapper */
.map-frame {
  width: 100%;
  aspect-ratio: 16 / 10;
  min-height: 350px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

/* Case Study Detailed Cards */
.case-study-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-8);
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 992px) {
  .case-study-card {
    grid-template-columns: 1fr 1.3fr;
  }
}

.case-study-img {
  position: relative;
  background-color: var(--dark);
  min-height: 280px;
}

.case-study-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-study-body {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
}

.case-study-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.tag {
  font-size: var(--text-xs);
  font-weight: 700;
  background-color: var(--surface);
  color: var(--primary);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   20. ACCESSIBILITY & MOTION PREFERENCES
   -------------------------------------------------------------------------- */
@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;
  }
}

/* Reveal-on-scroll styles when motion is enabled */
@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);
  }
}