/* ==========================================================================
   Breakwater Accounting + Advisory — Modern Responsive Design System
   WCAG AA Compliant, Mobile-First, Modern CSS Grid & Flexbox
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties & Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand Palette */
  --color-primary: #172F52;        /* Deep Navy */
  --color-primary-dark: #0E1D33;   /* Midnight Navy */
  --color-primary-light: #24456E;  /* Steel Blue-Navy */
  --color-secondary: #2F617D;      /* Ocean Slate Teal */
  --color-secondary-light: #3B96BE;/* Sea Wave Blue */
  --color-accent: #FA9375;         /* Warm Coral / Sunset CTA */
  --color-accent-hover: #E27A5D;   /* Darker Coral */
  --color-accent-soft: rgba(250, 147, 117, 0.14);
  --color-ice-blue: #EBF3F8;       /* Very Soft Ice Blue Background */
  --color-slate-blue: #95A4BA;     /* Slate Gray-Blue (Accent only) */

  /* Neutral Surface & Background Colors */
  --color-bg-body: #FFFFFF;
  --color-bg-subtle: #F8FAFC;
  --color-bg-alt: #F1F5F9;
  --color-bg-card: #FFFFFF;
  --color-bg-dark: #172F52;
  --color-bg-dark-surface: #1C375E;

  /* Text Colors (High Contrast WCAG AA/AAA) */
  --color-text-main: #1E293B;      /* Slate 800 - 13.5:1 on white */
  --color-text-muted: #475569;     /* Slate 600 - 7.0:1 on white */
  --color-text-light: #64748B;     /* Slate 500 - 4.6:1 on white */
  --color-text-inverse: #FFFFFF;
  --color-text-inverse-muted: #CBD5E1;

  /* Borders & Dividers */
  --color-border: #E2E8F0;
  --color-border-subtle: #EDF2F7;
  --color-border-dark: #2A4875;

  /* Status Colors */
  --color-success: #059669;
  --color-success-bg: #ECFDF5;
  --color-warning: #D97706;
  --color-warning-bg: #FFFBEB;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-serif: 'Playfair Display', Georgia, Cambria, 'Times New Roman', serif;

  /* Fluid Font Sizes */
  --text-xs: clamp(0.75rem, 0.15vw + 0.72rem, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.2vw + 0.83rem, 0.9375rem);
  --text-base: clamp(1rem, 0.25vw + 0.95rem, 1.0625rem);
  --text-lg: clamp(1.125rem, 0.4vw + 1.03rem, 1.25rem);
  --text-xl: clamp(1.25rem, 0.6vw + 1.12rem, 1.5rem);
  --text-2xl: clamp(1.5rem, 1vw + 1.25rem, 1.875rem);
  --text-3xl: clamp(1.875rem, 1.8vw + 1.45rem, 2.375rem);
  --text-4xl: clamp(2.25rem, 2.6vw + 1.6rem, 3.125rem);
  --text-5xl: clamp(2.75rem, 3.8vw + 1.8rem, 4rem);

  /* Spacing */
  --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;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --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, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

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

  /* Layout */
  --container-max-width: 1240px;
  --header-height: 80px;
  --topbar-height: 38px;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg-body);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip; /* Clip horizontal overflow without disabling sticky header */
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  inset-inline-start: var(--space-4);
  background: var(--color-primary);
  color: #FFFFFF;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  font-weight: 700;
  z-index: 99999;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

h1, .font-serif {
  font-family: var(--font-serif);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

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

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

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

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

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

ul, ol {
  list-style-position: inside;
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

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

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

/* --------------------------------------------------------------------------
   3. Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container-narrow {
  max-width: 860px;
}

.container-wide {
  max-width: 1400px;
}

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

.section-sm {
  padding-block: var(--space-10);
}

.section-lg {
  padding-block: var(--space-24);
}

.bg-subtle { background-color: var(--color-bg-subtle); }
.bg-alt { background-color: var(--color-bg-alt); }
.bg-dark {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 {
  color: var(--color-text-inverse);
}
.bg-dark p {
  color: var(--color-text-inverse-muted);
}

.text-center { text-align: center; }
.text-start { text-align: start; }
.mx-auto { margin-inline: auto; }

/* --------------------------------------------------------------------------
   4. Buttons & Interactive Elements (Touch Targets >= 48px)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.btn-primary:hover, .btn-primary:focus-visible {
  background-color: var(--color-accent-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-secondary:hover, .btn-secondary:focus-visible {
  background-color: var(--color-primary-light);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover, .btn-outline:focus-visible {
  background-color: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: transparent;
  border-color: #FFFFFF;
  color: #FFFFFF;
}

.btn-outline-white:hover, .btn-outline-white:focus-visible {
  background-color: #FFFFFF;
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-sm {
  min-height: 38px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-lg {
  min-height: 56px;
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-block {
  width: 100%;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}

.btn-group-center {
  justify-content: center;
}

/* --------------------------------------------------------------------------
   5. Top Utility Bar & Sticky Navigation Header
   -------------------------------------------------------------------------- */
/* Direct child of body with position: sticky; top: 0 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

/* Pre-Header Utility Bar */
.topbar {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse-muted);
  font-size: var(--text-xs);
  padding-block: var(--space-2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.topbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
  margin: 0;
}

.topbar-links a {
  color: #E2E8F0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.topbar-badge {
  background-color: rgba(250, 147, 117, 0.2);
  color: var(--color-accent);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 700;
}

/* Main Navigation Bar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-brand img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.navbar-nav {
  display: none; /* Hidden on mobile, shown on desktop */
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
}

@media (min-width: 1024px) {
  .navbar-nav {
    display: flex;
  }
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  min-height: 48px;
}

.nav-link:hover, .nav-link:focus-visible {
  color: var(--color-secondary-light);
  background-color: var(--color-bg-subtle);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 800;
  position: relative;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 6px;
  inset-inline-start: var(--space-4);
  inset-inline-end: var(--space-4);
  height: 3px;
  background-color: var(--color-accent);
  border-radius: var(--radius-full);
}

/* Nav Dropdowns (Accessible Hover & Focus) */
.nav-dropdown {
  position: absolute;
  top: 100%;
  inset-inline-start: 0;
  min-width: 280px;
  background: #FFFFFF;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  padding: var(--space-3);
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 1010;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown a {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text-main);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.nav-dropdown a:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-primary);
}

.nav-dropdown a small {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 400;
  margin-top: 2px;
}

.nav-actions {
  display: none;
  align-items: center;
  gap: var(--space-3);
}

@media (min-width: 1024px) {
  .nav-actions {
    display: flex;
  }
}

/* Mobile Hamburger Toggle (Touch target >= 48px) */
.mobile-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  cursor: pointer;
  padding: 0;
}

@media (min-width: 1024px) {
  .mobile-toggle {
    display: none;
  }
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile Drawer Overlay & Menu */
.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1090;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-drawer-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  inset-inline-end: 0;
  width: min(85vw, 360px);
  background-color: #FFFFFF;
  box-shadow: var(--shadow-xl);
  z-index: 1100;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: var(--space-6);
}

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

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}

.mobile-drawer-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-bg-subtle);
  border: none;
  border-radius: var(--radius-full);
  color: var(--color-primary);
  cursor: pointer;
}

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav-list a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-primary);
  border-radius: var(--radius-md);
}

.mobile-nav-list a.active {
  background-color: var(--color-bg-subtle);
  color: var(--color-accent);
  border-inline-start: 4px solid var(--color-accent);
}

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

/* --------------------------------------------------------------------------
   6. Hero Section Architecture
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0F2342 0%, #172F52 50%, #1F456F 100%);
  color: #FFFFFF;
  padding-block: clamp(3.5rem, 6vw, 6rem);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(59, 150, 190, 0.25) 0%, transparent 60%),
                    radial-gradient(circle at 10% 80%, rgba(250, 147, 117, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: var(--space-4);
}

.hero-pill .dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 50%;
  display: inline-block;
}

.hero h1 {
  color: #FFFFFF;
  font-size: var(--text-5xl);
  line-height: 1.15;
  margin-bottom: var(--space-4);
}

.hero p.hero-subtitle {
  color: #E2E8F0;
  font-size: var(--text-xl);
  line-height: 1.5;
  margin-bottom: var(--space-8);
  max-width: 700px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

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

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

.hero-stat-num {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.hero-stat-label {
  font-size: var(--text-xs);
  color: #CBD5E1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   7. Credentials & Trust Bar
   -------------------------------------------------------------------------- */
.trust-bar {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-8);
}

.trust-bar-label {
  text-align: center;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  font-weight: 700;
  margin-bottom: var(--space-6);
}

.trust-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}

.trust-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast);
}

.trust-badge:hover {
  transform: translateY(-3px);
}

.trust-badge img {
  max-height: 54px;
  width: auto;
  object-fit: contain;
}

/* --------------------------------------------------------------------------
   8. Feature & Value Proposition Blocks ("Simplify. Optimize. Grow.")
   -------------------------------------------------------------------------- */
.feature-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.feature-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-secondary);
}

.feature-icon-wrapper img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

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

/* --------------------------------------------------------------------------
   9. Service Cards Grid — Remediation for WCAG 1.4.3 Contrast
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

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

@media (min-width: 1200px) {
  .services-grid-5 {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* Standardized, High-Contrast Service Card (Fixes A11Y-02 & UI-02) */
.service-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  height: 100%;
}

/* Colored accent indicator line at the top to preserve brand identity */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  inset-inline-end: 0;
  height: 4px;
  background-color: var(--card-accent, var(--color-secondary));
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--card-accent, var(--color-secondary));
}

.service-card-media {
  width: 72px;
  height: 72px;
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-2);
}

.service-card-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-primary); /* Strictly WCAG AA compliant */
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

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

.service-card-deliverables {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.service-card-deliverables li {
  position: relative;
  padding-inline-start: var(--space-4);
  margin-bottom: var(--space-2);
}

.service-card-deliverables li::before {
  content: '✓';
  position: absolute;
  inset-inline-start: 0;
  color: var(--color-secondary);
  font-weight: 700;
}

.service-card .btn-card {
  margin-top: auto;
  width: 100%;
  min-height: 44px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--text-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.service-card:hover .btn-card {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* Card color variants for top indicator */
.card-navy { --card-accent: #172F52; }
.card-steel { --card-accent: #34517A; }
.card-slate { --card-accent: #2F617D; }
.card-teal { --card-accent: #3B96BE; }
.card-coral { --card-accent: #FA9375; }

/* --------------------------------------------------------------------------
   10. Practice Sectors Grid (Businesses, Nonprofits, Private Clients)
   -------------------------------------------------------------------------- */
.sectors-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

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

.sector-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.sector-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.sector-card-header {
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: var(--space-8) var(--space-6);
  text-align: center;
  position: relative;
}

.sector-card-icon {
  width: 80px;
  height: 80px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
}

.sector-card-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sector-card-header h3 {
  color: #FFFFFF;
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.sector-card-header p {
  color: var(--color-text-inverse-muted);
  font-size: var(--text-sm);
  margin-bottom: 0;
}

.sector-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.sector-checklist {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.sector-checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-main);
}

.sector-checklist svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-secondary-light);
  margin-top: 3px;
}

/* --------------------------------------------------------------------------
   11. Case Studies & Testimonial Video Section
   -------------------------------------------------------------------------- */
.case-study-showcase {
  background-color: var(--color-bg-subtle);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 992px) {
  .case-study-showcase {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.case-study-content {
  padding: var(--space-8);
}

.video-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--color-primary-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.video-container iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.blockquote-custom {
  position: relative;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  padding-inline-start: var(--space-6);
  border-inline-start: 4px solid var(--color-accent);
}

.quote-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.quote-author-info h4 {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  margin-bottom: 2px;
}

.quote-author-info p {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   12. Technical Comparison Tables (GEO / Perplexity / SearchGPT Optimization)
   -------------------------------------------------------------------------- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-block: var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: start;
  font-size: var(--text-sm);
  background: #FFFFFF;
}

.data-table th, .data-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.data-table th {
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-weight: 700;
  text-transform: uppercase;
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
}

.data-table tr:nth-child(even) {
  background-color: var(--color-bg-subtle);
}

.data-table tr:hover {
  background-color: var(--color-bg-alt);
}

.data-table .highlight-col {
  background-color: rgba(250, 147, 117, 0.08);
  font-weight: 600;
}

.badge-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 700;
}

.badge-blue { background: #E0F2FE; color: #0369A1; }
.badge-green { background: #DCFCE7; color: #15803D; }
.badge-coral { background: #FFEDD5; color: #C2410C; }

/* --------------------------------------------------------------------------
   13. Frequently Asked Questions (Accordion, Accessible, Resolves SEO-01)
   -------------------------------------------------------------------------- */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 860px;
  margin-inline: auto;
}

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

.faq-item[open] {
  border-color: var(--color-secondary-light);
  box-shadow: var(--shadow-sm);
}

.faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  user-select: none;
  min-height: 52px;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-secondary);
  transition: transform var(--transition-fast);
  margin-inline-start: var(--space-4);
  line-height: 1;
}

.faq-item[open] .faq-summary::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-content {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   14. Team & Three-Tier Architecture Component
   -------------------------------------------------------------------------- */
.tier-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.tier-tab-btn {
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background-color: #FFFFFF;
  color: var(--color-primary);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 48px;
}

.tier-tab-btn:hover, .tier-tab-btn.is-active {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

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

.team-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

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

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  object-fit: cover;
  border: 3px solid var(--color-accent);
}

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

.team-role {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------------
   15. Forms & Diagnostic Intake (WCAG AA Labels & Validation)
   -------------------------------------------------------------------------- */
.form-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: clamp(1.5rem, 4vw, 3rem);
}

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

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: #DC2626;
  margin-inline-start: 2px;
}

.form-control {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: #FFFFFF;
  color: var(--color-text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-secondary-light);
  box-shadow: 0 0 0 3px rgba(59, 150, 190, 0.2);
}

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

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

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

.form-help {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  margin-top: var(--space-1);
}

.form-alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
  display: none;
}

.form-alert.success {
  display: block;
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid #A7F3D0;
}

/* --------------------------------------------------------------------------
   16. Multi-Column Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #E2E8F0;
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
  margin-top: auto;
  border-top: 1px solid var(--color-border-dark);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

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

@media (min-width: 1024px) {
  .footer-top {
    grid-template-columns: 2.5fr 1fr 1fr 1.5fr;
  }
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: var(--text-base);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
  position: relative;
  padding-bottom: var(--space-2);
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  inset-inline-start: 0;
  width: 36px;
  height: 2px;
  background-color: var(--color-accent);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: #CBD5E1;
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: #CBD5E1;
}

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

.footer-awards {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.footer-awards img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  transition: all var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

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

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  flex-wrap: wrap;
}

.footer-legal-links a {
  color: var(--color-text-light);
}

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

/* --------------------------------------------------------------------------
   17. Back to Top Button (Class: back-to-top, >= 48px)
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  inset-inline-end: var(--space-6);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #FFFFFF;
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition-normal);
  z-index: 999;
}

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

.back-to-top:hover, .back-to-top:focus-visible {
  background-color: var(--color-accent);
  color: #FFFFFF;
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

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

/* --------------------------------------------------------------------------
   18. Accessible Modal Dialog
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

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

.modal-dialog {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-fast);
}

.modal-backdrop.is-open .modal-dialog {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: var(--space-4);
  inset-inline-end: var(--space-4);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--color-bg-subtle);
  color: var(--color-text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}