/**
 * TNK Corporate Website - Main Stylesheet
 * Professional B2B technical assessment platform
 * Design: Dark navy, clean, modern
 */

/* ================================================================
   1. VARIABLES & RESET
   ================================================================ */

:root {
  /* Primary Colors - Navy Blue Palette */
  --color-navy-dark: #0a1628;
  --color-navy-mid: #0d1f3c;
  --color-navy-light: #122b5e;
  --color-navy-bg: #1a3a52;

  /* Accent Colors - BUTTONS ONLY */
  --color-yellow: #f5b731;
  --color-green: #16a34a;
  --color-purple: #7c3aed;

  /* Blue Palette - Non-button design elements */
  --color-blue-50: #eff6ff;
  --color-blue-100: #dbeafe;
  --color-blue-600: #2563eb;
  --color-blue-700: #1d4ed8;
  --color-blue-900: #111e6c;

  /* Gray Palette */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Status Colors */
  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Text & Backgrounds */
  --color-text-primary: #1f2937;
  --color-text-secondary: #6b7280;
  --color-text-light: #9ca3af;
  --color-text-inverse: #ffffff;
  --color-bg-light: #f9fafb;
  --color-bg-white: #ffffff;

  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Font Sizes */
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-xl: 1.25rem;      /* 20px */
  --font-size-2xl: 1.5rem;      /* 24px */
  --font-size-3xl: 1.875rem;    /* 30px */
  --font-size-4xl: 2.25rem;     /* 36px */
  --font-size-5xl: 3rem;        /* 48px */

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */
  --spacing-4xl: 5rem;     /* 80px */

  /* Border Radius */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-2xl: 1.5rem;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* Global Reset */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-white);
}

/* ================================================================
   2. TYPOGRAPHY
   ================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

h5 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

h6 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

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

a {
  color: var(--color-blue-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-blue-700);
  text-decoration: underline;
}

small {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

strong, b {
  font-weight: var(--font-weight-semibold);
}

/* ================================================================
   3. LAYOUT
   ================================================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.container-sm {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.container-lg {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.gap-xl {
  gap: var(--spacing-xl);
}

.items-center {
  align-items: center;
}

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

.justify-between {
  justify-content: space-between;
}

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

/* ================================================================
   4. NAVBAR
   ================================================================ */

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--spacing-md) 0;
  transition: box-shadow var(--transition-fast);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.navbar-logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.navbar-logo:hover {
  color: var(--color-blue-600);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.navbar-nav a {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.navbar-nav a:hover {
  color: var(--color-blue-600);
}

.navbar-buttons {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.navbar-hamburger {
  display: none;
  flex-direction: column;
  gap: var(--spacing-xs);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.navbar-hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.navbar-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

.navbar-hamburger.active span:nth-child(2) {
  opacity: 0;
}

.navbar-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ================================================================
   5. BUTTONS
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-lg);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border: 2px solid transparent;
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
  gap: var(--spacing-sm);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Button Variants */

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

.btn-yellow:hover {
  background-color: #e6a818;
  border-color: #e6a818;
}

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

.btn-green:hover {
  background-color: #159944;
  border-color: #159944;
}

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

.btn-purple:hover {
  background-color: #6d28d9;
  border-color: #6d28d9;
}

.btn-blue {
  background-color: var(--color-blue-600);
  color: var(--color-text-inverse);
  border-color: var(--color-blue-600);
}

.btn-blue:hover {
  background-color: var(--color-blue-700);
  border-color: var(--color-blue-700);
}

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

.btn-outline:hover {
  background-color: var(--color-navy-dark);
  color: var(--color-text-inverse);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-text-inverse);
  border-color: var(--color-text-inverse);
}

.btn-outline-white:hover {
  background-color: var(--color-text-inverse);
  color: var(--color-navy-dark);
}

/* Button Sizes */

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-block {
  width: 100%;
}

/* ================================================================
   6. HERO SECTIONS
   ================================================================ */

.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy-mid) 100%);
  color: var(--color-text-inverse);
  padding: var(--spacing-4xl) 0;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-content h1 {
  color: var(--color-text-inverse);
  font-size: var(--font-size-5xl);
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}

.hero-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background-color: rgba(37, 99, 235, 0.15);
  color: rgba(255, 255, 255, 0.9);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-lg);
  width: fit-content;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background-color: var(--color-green);
  border-radius: 50%;
}

.hero-visual {
  position: relative;
  height: 400px;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.05), transparent);
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-item {
  text-align: center;
  color: var(--color-text-inverse);
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-yellow);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--spacing-sm);
}

/* ================================================================
   7. SECTION VARIANTS
   ================================================================ */

.section {
  padding: var(--spacing-4xl) 0;
}

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

.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6 {
  color: var(--color-text-inverse);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.9);
}

.section-gray {
  background-color: var(--color-gray-50);
}

.section-blue {
  background-color: var(--color-blue-50);
}

/* ================================================================
   8. CARDS
   ================================================================ */

.offering-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-gray-200);
  border-top: 4px solid var(--color-blue-600);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
  height: 100%;
}

.offering-card:hover {
  box-shadow: var(--shadow-lg);
  border-top-color: var(--color-blue-700);
}

.offering-card h3 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.offering-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.offering-tag {
  display: inline-block;
  background-color: var(--color-blue-100);
  color: var(--color-blue-600);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

.feature-card {
  background: var(--color-bg-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-200);
}

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

.feature-icon {
  width: 60px;
  height: 60px;
  background-color: var(--color-blue-100);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--spacing-lg);
  color: var(--color-blue-600);
}

.feature-card h4 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.package-card {
  background: var(--color-bg-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  position: relative;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.package-card:hover {
  box-shadow: var(--shadow-lg);
}

.package-card.featured {
  border-color: var(--color-blue-600);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(37, 99, 235, 0.02));
  transform: scale(1.05);
}

.package-featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-blue-600);
  color: var(--color-text-inverse);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.package-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.package-price {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy-dark);
  margin-bottom: var(--spacing-sm);
}

.package-price small {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-regular);
}

.package-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

.package-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
  flex-grow: 1;
}

.package-features li {
  padding: var(--spacing-sm) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--color-gray-200);
}

.package-features li:last-child {
  border-bottom: none;
}

.package-features li::before {
  content: '✓';
  color: var(--color-green);
  font-weight: bold;
  margin-right: var(--spacing-md);
}

.value-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.value-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-blue-600);
}

.value-card h4 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.value-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.domain-chip {
  display: inline-block;
  background-color: var(--color-gray-100);
  color: var(--color-text-primary);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin: var(--spacing-sm);
}

/* ================================================================
   9. FEATURES GRID
   ================================================================ */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

/* ================================================================
   10. OFFERINGS GRID
   ================================================================ */

.offerings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

/* ================================================================
   11. PACKAGES GRID
   ================================================================ */

.packages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

/* ================================================================
   12. STEPS
   ================================================================ */

.steps-container {
  max-width: 900px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.step:last-child {
  margin-bottom: 0;
}

.step-number {
  width: 60px;
  height: 60px;
  min-width: 60px;
  background-color: var(--color-blue-600);
  color: var(--color-text-inverse);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
}

.section-dark .step-number {
  background-color: var(--color-blue-100);
  color: var(--color-blue-600);
}

.step-content h3 {
  margin-bottom: var(--spacing-md);
}

.step-content p {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ================================================================
   13. SCORING VISUAL
   ================================================================ */

.scoring-flow {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.scoring-node {
  text-align: center;
  flex: 1;
  min-width: 150px;
}

.scoring-node-icon {
  width: 80px;
  height: 80px;
  background-color: var(--color-blue-100);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  margin: 0 auto var(--spacing-md);
  color: var(--color-blue-600);
}

.scoring-node h4 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.scoring-node p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.scoring-arrow {
  font-size: var(--font-size-2xl);
  color: var(--color-gray-300);
  margin: 0 var(--spacing-lg);
}

/* ================================================================
   14. COMPARISON TABLE
   ================================================================ */

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.comparison-table thead {
  background-color: var(--color-gray-50);
  border-bottom: 2px solid var(--color-gray-200);
}

.comparison-table th {
  padding: var(--spacing-lg);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.comparison-table td {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-200);
  color: var(--color-text-secondary);
}

.comparison-table tbody tr:hover {
  background-color: var(--color-gray-50);
}

.comparison-table .check {
  color: var(--color-green);
  font-weight: var(--font-weight-bold);
}

.comparison-table .cross {
  color: var(--color-gray-400);
}

.comparison-table .partial {
  color: var(--color-warning);
  font-weight: var(--font-weight-semibold);
}

/* ================================================================
   15. QUESTION TYPES GRID
   ================================================================ */

.question-types-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.qtype-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.qtype-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-blue-600);
  transform: translateY(-2px);
}

.qtype-icon {
  width: 50px;
  height: 50px;
  background-color: var(--color-blue-100);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-blue-600);
  margin-bottom: var(--spacing-md);
}

.qtype-card h4 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.qtype-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ================================================================
   16. CONTACT
   ================================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.form-input,
.form-textarea {
  padding: var(--spacing-md);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  transition: border-color var(--transition-fast);
  color: var(--color-text-primary);
  background-color: var(--color-bg-white);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-blue-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.contact-info-item {
  display: flex;
  gap: var(--spacing-lg);
}

.contact-info-icon {
  width: 50px;
  height: 50px;
  background-color: var(--color-blue-100);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: var(--color-blue-600);
  flex-shrink: 0;
}

.contact-info-content h4 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.contact-info-content p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

.contact-info-content a {
  color: var(--color-blue-600);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
}

.contact-info-content a:hover {
  text-decoration: underline;
}

/* ================================================================
   17. FOOTER
   ================================================================ */

footer {
  background-color: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
  color: var(--color-text-inverse);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-md);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
}

/* ================================================================
   18. CTA BAND
   ================================================================ */

.cta-band {
  background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy-mid) 100%);
  color: var(--color-text-inverse);
  padding: var(--spacing-3xl) var(--spacing-xl);
  text-align: center;
  margin: var(--spacing-3xl) 0;
}

.cta-band h2 {
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-lg);
}

.cta-band p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-lg);
}

.cta-band-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ================================================================
   19. RESPONSIVE - TABLET (max-width: 768px)
   ================================================================ */

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
    --spacing-4xl: 3rem;
  }

  .container,
  .container-sm,
  .container-lg {
    padding: 0 var(--spacing-lg);
  }

  .navbar-nav {
    display: none;
  }

  .navbar-hamburger {
    display: flex;
  }

  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .hero-visual {
    height: 300px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .features-grid,
  .offerings-grid {
    grid-template-columns: 1fr;
  }

  .packages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-cols-2 {
    grid-template-columns: 1fr;
  }

  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
  }

  .scoring-flow {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .scoring-arrow {
    display: none;
  }

  .question-types-grid {
    grid-template-columns: 1fr;
  }

  .comparison-table {
    font-size: var(--font-size-sm);
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--spacing-md);
  }

  .cta-band-buttons {
    flex-direction: column;
  }

  .cta-band-buttons .btn {
    width: 100%;
  }
}

/* ================================================================
   20. RESPONSIVE - MOBILE (max-width: 480px)
   ================================================================ */

@media (max-width: 480px) {
  :root {
    --font-size-5xl: 1.875rem;
    --font-size-4xl: 1.5rem;
    --font-size-3xl: 1.25rem;
    --font-size-2xl: 1.125rem;
    --spacing-4xl: 2rem;
    --spacing-3xl: 2rem;
  }

  h1 {
    font-size: var(--font-size-4xl);
  }

  h2 {
    font-size: var(--font-size-3xl);
  }

  .container,
  .container-sm,
  .container-lg {
    padding: 0 var(--spacing-md);
  }

  .navbar-container {
    padding: 0 var(--spacing-md);
  }

  .navbar-buttons {
    gap: var(--spacing-sm);
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }

  .btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .hero {
    padding: var(--spacing-2xl) 0;
  }

  .hero-content h1 {
    font-size: var(--font-size-3xl);
  }

  .hero-content p {
    font-size: var(--font-size-base);
  }

  .hero-visual {
    height: 250px;
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .feature-icon {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-xl);
  }

  .package-card {
    padding: var(--spacing-lg);
  }

  .package-card.featured {
    transform: scale(1);
  }

  .step {
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
  }

  .step-number {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-xl);
  }

  .scoring-node {
    min-width: 120px;
  }

  .scoring-node-icon {
    width: 60px;
    height: 60px;
    font-size: var(--font-size-2xl);
  }

  .contact-grid {
    gap: var(--spacing-2xl);
  }

  .contact-info-item {
    gap: var(--spacing-md);
  }

  .contact-info-icon {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-lg);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .comparison-table {
    font-size: var(--font-size-xs);
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--spacing-sm);
  }

  .cta-band {
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .cta-band h2 {
    font-size: var(--font-size-2xl);
  }

  .cta-band p {
    font-size: var(--font-size-base);
  }
}

/* ================================================================
   UTILITY CLASSES
   ================================================================ */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.no-scroll {
  overflow: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ================================================================
   21. MISSING CLASS ALIASES — Bridge HTML ↔ CSS
   ================================================================ */

/* --- Logo --- */
.logo-img {
  height: 40px;
  width: auto;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy-dark);
  text-decoration: none;
}
.navbar-logo:hover {
  text-decoration: none;
  color: var(--color-navy-dark);
}

/* --- Navbar structure (HTML classes) --- */
.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}
.navbar-links a {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}
.navbar-links a:hover,
.navbar-links a.active {
  color: var(--color-blue-600);
  text-decoration: none;
}

.navbar-right {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  padding: var(--spacing-sm);
  color: var(--color-text-primary);
}

.lang-switch {
  display: flex;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
}
.lang-switch a {
  color: var(--color-text-light);
  text-decoration: none;
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-fast);
}
.lang-switch a.active {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}
.lang-switch a:hover {
  color: var(--color-blue-600);
  text-decoration: none;
}

/* --- Section helpers --- */
.section-dark-blue {
  background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy-mid) 100%);
  color: var(--color-text-inverse);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-3xl);
}
.section-header h2 {
  margin-bottom: var(--spacing-md);
}
.section-header p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}
.section-dark .section-header h2 {
  color: var(--color-text-inverse);
}
.section-dark .section-header p {
  color: rgba(255,255,255,0.9);
}

/* --- Badge / Tag --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background-color: rgba(37, 99, 235, 0.15);
  color: rgba(255, 255, 255, 0.9);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-lg);
  width: fit-content;
}

.tag {
  display: inline-block;
  background-color: var(--color-blue-100);
  color: var(--color-blue-600);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

/* --- Hero layout variants --- */
.hero-left,
.hero-content {
  z-index: 1;
}
.hero-left h1,
.hero-content h1 {
  color: var(--color-text-inverse);
  font-size: var(--font-size-5xl);
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}
.hero-left p,
.hero-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
  max-width: 500px;
}

.hero-compact {
  padding: var(--spacing-3xl) 0;
}
.hero-compact h1 {
  color: var(--color-text-inverse);
}
.hero-compact p {
  color: rgba(255,255,255,0.9);
  max-width: 700px;
}

.hero h1 {
  color: var(--color-text-inverse);
}
.hero p {
  color: rgba(255,255,255,0.9);
}

/* --- Button group --- */
.button-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Hero stats --- */
.hero-stats {
  display: flex;
  gap: var(--spacing-xl);
  justify-content: center;
}
.hero-stat {
  text-align: center;
  color: var(--color-text-inverse);
}

/* --- Features list (ul inside cards) --- */
.features-list {
  list-style: none;
  padding: 0;
  margin-bottom: var(--spacing-lg);
}
.features-list li {
  padding: var(--spacing-sm) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  position: relative;
  padding-left: var(--spacing-lg);
}
.features-list li::before {
  content: '✓';
  color: var(--color-green);
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* --- Feature box (alias for feature-card) --- */
.feature-box {
  background: var(--color-bg-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-200);
}
.feature-box:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.feature-box h4 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}
.feature-box p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* --- Steps grid --- */
.steps-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: var(--spacing-2xl);
}
.steps-grid .step {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: 0;
}

/* --- Breeze teaser section --- */
.breeze-teaser {
  padding: var(--spacing-4xl) 0;
}
.breeze-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}
.breeze-left h2 {
  margin-bottom: var(--spacing-md);
}
.breeze-left p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}
.stat-card {
  background: var(--color-gray-50);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  border: 1px solid var(--color-gray-200);
}
.stat-card .stat-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-blue-600);
  margin-bottom: var(--spacing-sm);
}
.stat-card .stat-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* --- Domains grid (solution page) --- */
.domains-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}
.domains-grid .domain-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--color-bg-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  margin: 0;
  transition: all var(--transition-base);
}
.domains-grid .domain-chip:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-blue-600);
}
.domain-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}
.domains-grid .domain-chip h4 {
  margin-bottom: var(--spacing-sm);
}
.domains-grid .domain-chip p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* --- Scoring visual (solution page) --- */
.scoring-visual {
  max-width: 800px;
  margin: 0 auto;
}
.scoring-visual .scoring-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
}
.flow-step {
  background: var(--color-bg-white);
  border: 2px solid var(--color-blue-600);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg) var(--spacing-xl);
  text-align: center;
  min-width: 120px;
}
.flow-label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}
.flow-arrow {
  font-size: var(--font-size-2xl);
  color: var(--color-blue-600);
  font-weight: var(--font-weight-bold);
}

/* --- Use cases (solution page) --- */
.use-cases {
  padding: var(--spacing-4xl) 0;
}
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}
.use-case-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}
.use-case-card:hover {
  box-shadow: var(--shadow-lg);
}
.use-case-card h3 {
  margin-bottom: var(--spacing-md);
}
.use-case-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* --- Question types grid (breeze page) --- */
.qtypes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}
.section-dark .qtypes-grid .qtype-card {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}
.section-dark .qtypes-grid .qtype-card h3 {
  color: var(--color-text-inverse);
}
.section-dark .qtypes-grid .qtype-card p {
  color: rgba(255,255,255,0.8);
}
.section-dark .qtype-card:hover {
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.08);
}

/* --- Features rows (breeze page) --- */
.features-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}
.features-row:last-child {
  margin-bottom: 0;
}
.features-col h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}
.offering-features {
  list-style: none;
  padding: 0;
}
.offering-features li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--color-gray-100);
}
.offering-features li:last-child {
  border-bottom: none;
}
.offering-features li::before {
  content: '✓';
  color: var(--color-green);
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* --- Table responsive --- */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* --- Comparison table alias --- */
.comparison {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.comparison thead {
  background-color: var(--color-gray-50);
  border-bottom: 2px solid var(--color-gray-200);
}
.comparison th {
  padding: var(--spacing-lg);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}
.comparison td {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-200);
  color: var(--color-text-secondary);
}
.comparison tbody tr:hover {
  background-color: var(--color-gray-50);
}

/* --- Package cards extra --- */
.package-type {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}
.package-card hr {
  border: none;
  border-top: 1px solid var(--color-gray-200);
  margin-bottom: var(--spacing-lg);
}
.package-card ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--spacing-xl);
  flex-grow: 1;
}
.package-card ul li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}
.package-card ul li::before {
  content: '✓';
  color: var(--color-green);
  font-weight: bold;
  position: absolute;
  left: 0;
}
.pricing-note {
  text-align: center;
  margin-top: var(--spacing-xl);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* --- About page --- */
.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
  align-items: start;
}
.about-content p {
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-relaxed);
}
.about-card {
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
}
.about-card h3 {
  margin-bottom: var(--spacing-lg);
}
.about-card dl {
  display: grid;
  gap: var(--spacing-sm);
}
.about-card dt {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-md);
}
.about-card dd {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

/* --- Contact page extras --- */
.subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
}
.contact-info-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}
.contact-info-blue-box {
  background-color: var(--color-blue-50);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
}
.contact-info-blue-box h4 {
  margin-bottom: var(--spacing-md);
}

/* --- Form select --- */
select {
  padding: var(--spacing-md);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  transition: border-color var(--transition-fast);
  color: var(--color-text-primary);
  background-color: var(--color-bg-white);
  width: 100%;
  appearance: auto;
}
select:focus {
  outline: none;
  border-color: var(--color-blue-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* --- Form inputs in contact --- */
.contact-form input,
.contact-form textarea {
  padding: var(--spacing-md);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  width: 100%;
  transition: border-color var(--transition-fast);
  color: var(--color-text-primary);
  background-color: var(--color-bg-white);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-blue-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.contact-form label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  display: block;
}
.contact-form .form-group {
  margin-bottom: var(--spacing-lg);
}

/* --- Footer links display fix --- */
.footer-grid > div > a {
  display: block;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-fast);
}
.footer-grid > div > a:hover {
  color: var(--color-text-inverse);
  text-decoration: none;
}
.footer-grid > div > h5 {
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-md);
}
.footer-grid > div > p {
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-sm);
}
.footer-grid > div > p a {
  color: rgba(255,255,255,0.8);
}
.footer-grid > div > p a:hover {
  color: var(--color-text-inverse);
  text-decoration: none;
}

/* --- Offering card extras --- */
.offering-card .tag {
  display: inline-block;
}

/* --- CTA band button group --- */
.cta-band .button-group {
  justify-content: center;
}

/* --- Stats container (breeze hero) --- */
.stats-container {
  display: flex;
  gap: var(--spacing-xl);
  justify-content: center;
}

/* ================================================================
   22. RESPONSIVE ADDITIONS (tablet)
   ================================================================ */
@media (max-width: 768px) {
  .navbar-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--color-gray-200);
  }
  .navbar-links.active {
    display: flex;
  }
  .navbar-right {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
  .breeze-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .domains-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
  .qtypes-grid {
    grid-template-columns: 1fr;
  }
  .about-values {
    grid-template-columns: 1fr;
  }
  .button-group {
    flex-direction: column;
  }
  .button-group .btn {
    width: 100%;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .cta-buttons .btn {
    width: 100%;
  }
  .scoring-visual .scoring-flow {
    flex-direction: column;
  }
  .flow-arrow {
    transform: rotate(90deg);
  }
}

/* ================================================================
   23. RESPONSIVE ADDITIONS (mobile)
   ================================================================ */
@media (max-width: 480px) {
  .domains-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .packages-grid {
    grid-template-columns: 1fr;
  }
}