/* ========================================
   NIS2 Requirements Landing Page CSS
   Optimized for Core Web Vitals & Performance
   ======================================== */

/* CSS Variables for Consistency */
:root {
  /* Color Palette */
  --primary-color: #1e40af;
  --primary-dark: #1e3a8a;
  --secondary-color: #3b82f6;
  --accent-color: #10b981;
  --danger-color: #dc2626;
  --warning-color: #f59e0b;
  --success-color: #059669;
  --info-color: #0284c7;
  
  /* Neutral Colors */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Container Max Width */
  --container-max-width: 1200px;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: white;
  overflow-x: hidden;
}

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--gray-900);
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: 600;
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--spacing-md);
}

.lead {
  font-size: var(--font-size-lg);
  font-weight: 400;
  line-height: 1.7;
  color: var(--gray-700);
  margin-bottom: var(--spacing-xl);
}

/* Links */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Lists */
ul {
  list-style: none;
}

.content-section ul {
  list-style: disc;
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.content-section li {
  margin-bottom: var(--spacing-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 2.5rem;
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.2;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
  min-height: 3.5rem;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(30, 64, 175, 0.2);
  border-radius: 50px;
  font-weight: 600;
  font-size: var(--font-size-base);
  letter-spacing: 0.025em;
  padding: 1.25rem 2.75rem;
  min-height: 3.75rem;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  color: white;
  box-shadow: 0 8px 25px rgba(30, 64, 175, 0.3);
  transform: translateY(-2px) scale(1.02);
}

.btn-secondary {
  background: white;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  border-radius: 50px;
  font-weight: 600;
  font-size: var(--font-size-base);
  letter-spacing: 0.025em;
  box-shadow: 0 2px 8px rgba(30, 64, 175, 0.1);
  padding: 1.25rem 2.75rem;
  min-height: 3.75rem;
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(30, 64, 175, 0.2);
  transform: translateY(-1px) scale(1.02);
}

/* Header */
.header {
  background: white;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.nav-brand {
  display: flex;
  align-items: center;
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  position: relative;
  color: white;
  padding: var(--spacing-3xl) 0;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.8) 0%, rgba(59, 130, 246, 0.8) 100%);
  z-index: 2;
}

.hero .container {
  position: relative;
  z-index: 3;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: white;
}

.content-meta {
  margin-bottom: var(--spacing-lg);
  display: flex;
  justify-content: center;
  align-items: center;
}

.last-updated {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  margin-bottom: var(--spacing-2xl);
  color: rgba(255, 255, 255, 0.9);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.hero-highlights {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.highlight {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-highlights {
    flex-direction: column;
    align-items: center;
  }
}

/* Main Content */
.main {
  padding: var(--spacing-3xl) 0;
}

.content-section {
  margin-bottom: var(--spacing-3xl);
  padding-bottom: var(--spacing-3xl);
  border-bottom: 1px solid var(--gray-200);
}

.content-section:last-child {
  border-bottom: none;
}

/* Table of Contents */
.toc {
  background: var(--gray-50);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-3xl);
}

.toc h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--gray-900);
}

.toc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.toc-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--gray-800);
  font-weight: 500;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.toc-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--primary-color);
}

/* Info Boxes */
.info-box {
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  margin: var(--spacing-xl) 0;
  border-left: 4px solid;
}

.info-box.primary {
  background: #eff6ff;
  border-color: var(--primary-color);
}

.info-box.warning {
  background: #fffbeb;
  border-color: var(--warning-color);
}

.info-box.danger {
  background: #fef2f2;
  border-color: var(--danger-color);
}

.info-box.success {
  background: #f0fdf4;
  border-color: var(--success-color);
}

.info-box.info {
  background: #f0f9ff;
  border-color: var(--info-color);
}

.info-box.urgent {
  background: linear-gradient(135deg, #fef2f2 0%, #fef7f7 100%);
  border-color: var(--danger-color);
  border-width: 2px;
}

.info-box h3 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

/* Comparison Table */
.comparison-table {
  overflow-x: auto;
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

.comparison-table th,
.comparison-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.comparison-table th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-900);
}

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

/* CTA Inline */
.cta-inline {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  text-align: center;
  margin: var(--spacing-2xl) 0;
}

.cta-inline h3 {
  color: white;
  margin-bottom: var(--spacing-md);
}

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

.cta-inline.danger {
  background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
}

/* Requirements Grid */
.requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-2xl) 0;
}

.requirement-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  border-top: 4px solid var(--primary-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.requirement-card:hover {
  box-shadow: 0 10px 30px rgba(30, 64, 175, 0.15);
  transform: translateY(-6px);
  border-top-color: var(--secondary-color);
}

.requirement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.requirement-card:hover::before {
  opacity: 1;
}

.requirement-number {
  position: absolute;
  top: -15px;
  right: var(--spacing-lg);
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
  transition: all 0.3s ease;
}

.requirement-card:hover .requirement-number {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(30, 64, 175, 0.4);
}

.requirement-card h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  margin-top: var(--spacing-md);
  font-weight: 600;
}

.requirement-card p {
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.requirement-card ul {
  color: var(--gray-600);
}

.requirement-card ul li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--gray-700);
}

.requirement-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--primary-color);
  border-radius: 50%;
}

/* Sectors Grid */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
}

.sector-category {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
}

.category-title {
  text-align: center;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  color: white;
  margin-bottom: var(--spacing-lg);
}

.category-title.essential {
  background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
  color: white;
}

.category-title.important {
  background: linear-gradient(135deg, var(--warning-color) 0%, #f59e0b 100%);
  color: white;
}

.category-description {
  text-align: center;
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
}

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

.sector-item {
  background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.sector-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.sector-item h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Timeline */
.timeline {
  position: relative;
  margin: var(--spacing-2xl) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-300);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-2xl);
  padding-left: 80px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 21px;
  top: 8px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 3px solid var(--gray-300);
  background: white;
}

.timeline-item.completed::before {
  background: var(--success-color);
  border-color: var(--success-color);
}

.timeline-item.current::before {
  background: var(--warning-color);
  border-color: var(--warning-color);
}

.timeline-item.future::before {
  background: var(--gray-300);
  border-color: var(--gray-300);
}

.timeline-date {
  position: absolute;
  left: -160px;
  top: 0;
  font-weight: 600;
  color: var(--primary-color);
  font-size: var(--font-size-sm);
  width: 140px;
}

.timeline-content {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.status {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-sm);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 15px;
  }
  
  .timeline-item {
    padding-left: 50px;
  }
  
  .timeline-item::before {
    left: 6px;
  }
  
  .timeline-date {
    position: static;
    width: auto;
    margin-bottom: var(--spacing-sm);
    display: block;
  }
}

/* Country Status */
.country-status {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
}

.country-group {
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
}

.country-group.compliant {
  background: #f0fdf4;
  border-color: var(--success-color);
}

.country-group.pending {
  background: #fffbeb;
  border-color: var(--warning-color);
}

/* Penalties Grid */
.penalties-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
}

.penalty-card {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
  border-top: 4px solid;
  transition: all 0.2s ease;
}

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

.penalty-card.essential {
  border-color: var(--danger-color);
}

.penalty-card.important {
  border-color: var(--warning-color);
}

.penalty-amount {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--danger-color);
  margin: var(--spacing-md) 0;
}

.penalty-or {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-500);
  margin: var(--spacing-sm) 0;
}

.penalty-percentage {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--danger-color);
  margin-bottom: var(--spacing-md);
}

.penalty-note {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  margin-bottom: var(--spacing-lg);
}

.penalty-features {
  text-align: left;
  list-style: disc;
  margin-left: var(--spacing-lg);
}

/* Enforcement Measures */
.enforcement-measures {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.measure-item {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--primary-color);
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.measure-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--secondary-color);
}

.measure-item h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

/* Implementation Steps */
.implementation-steps {
  margin: var(--spacing-2xl) 0;
}

.step-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  align-items: flex-start;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--primary-color);
}

.step-checklist {
  margin-top: var(--spacing-md);
  list-style: none;
}

.step-checklist li {
  position: relative;
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--gray-600);
}

.step-checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: 700;
}

@media (max-width: 768px) {
  .step-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .step-number {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-xl);
  }
}

/* FAQ Section */
.faq-section {
  background: var(--gray-50);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  margin: var(--spacing-3xl) 0;
}

.faq-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.faq-item {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.2s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.faq-item h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

/* Final CTA */
.final-cta {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  text-align: center;
  margin: var(--spacing-3xl) 0;
}

.cta-content h2 {
  color: white;
  margin-bottom: var(--spacing-lg);
}

.cta-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

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

.feature {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

@media (max-width: 768px) {
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-features {
    flex-direction: column;
    align-items: center;
  }
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h3,
.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-lg);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--gray-300);
  transition: color 0.2s ease;
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--gray-700);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

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

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-links a {
  color: var(--gray-400);
  font-size: var(--font-size-sm);
}

.footer-powered {
  color: var(--gray-400);
  font-size: var(--font-size-sm);
}

.footer-powered a {
  color: var(--primary-color);
  font-weight: 500;
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-legal {
    align-items: center;
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .requirements-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
  
  .sectors-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .hero {
    padding: var(--spacing-2xl) 0;
  }
  
  .main {
    padding: var(--spacing-2xl) 0;
  }
  
  .content-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
  }
  
  .toc-grid {
    grid-template-columns: 1fr;
  }
  
  .requirements-grid {
    grid-template-columns: 1fr;
  }
  
  .penalties-grid {
    grid-template-columns: 1fr;
  }
  
  .enforcement-measures {
    grid-template-columns: 1fr;
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .nav {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .btn {
    padding: 1rem 1.75rem;
    min-height: 3rem;
    font-size: var(--font-size-sm);
  }
  
  .btn-primary,
  .btn-secondary {
    padding: 1rem 1.75rem;
    min-height: 3rem;
  }
  
  .hero-highlights {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
  }
  
  .highlight {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}

/* Performance Optimizations */
/* Reduce paint and layout thrashing */
.btn,
.requirement-card,
.penalty-card,
.faq-item,
.toc-item,
.step-item {
  will-change: transform;
}

/* Optimize transitions for better performance */
.btn,
.requirement-card,
.penalty-card,
.faq-item,
.toc-item {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Reduce reflows with transforms instead of position changes */
.btn:hover,
.requirement-card:hover,
.penalty-card:hover,
.faq-item:hover,
.toc-item:hover {
  transform: translateY(-2px);
}

.final-cta .btn:hover {
  transform: translateY(-1px) scale(1.02);
}

/* Optimize for Core Web Vitals */
/* Reduce CLS with explicit dimensions */
.hero-highlights {
  min-height: 60px;
}

.timeline-item {
  contain: layout style paint;
}

/* Improve FCP with critical CSS inlining (handled in HTML) */
/* Optimize LCP with preloading (handled in HTML) */

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
  .comparison-table table,
  .requirement-card,
  .penalty-card,
  .faq-item,
  .step-content,
  .sector-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    color: var(--gray-800);
    border: 1px solid var(--gray-200);
  }
  
  .comparison-table th {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    color: var(--gray-800);
  }
}

/* Print styles */
@media print {
  .header,
  .nav-cta,
  .hero-cta,
  .cta-inline,
  .final-cta,
  .footer {
    display: none;
  }
  
  .hero {
    background: none;
    color: var(--gray-900);
  }
  
  .hero-title,
  .hero-subtitle {
    color: var(--gray-900);
  }
  
  * {
    box-shadow: none !important;
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .btn-primary {
    border: 2px solid currentColor;
  }
  
  .requirement-card,
  .penalty-card,
  .faq-item {
    border: 1px solid var(--gray-400);
  }
}

/* Focus styles for better accessibility */
.btn:focus,
.toc-item:focus,
a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

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

/* Floating CTA */
.floating-cta {
  position: fixed;
  bottom: 100px;
  right: 30px;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.floating-cta.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.floating-cta.dismissed {
  opacity: 0 !important;
  visibility: hidden !important;
  transform: translateY(20px) !important;
}

.floating-cta-button {
  background: white;
  color: var(--primary-color);
  padding: 1.125rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  font-size: var(--font-size-base);
  box-shadow: 0 8px 25px rgba(30, 64, 175, 0.15), 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  white-space: nowrap;
  border: 2px solid var(--primary-color);
  cursor: pointer;
  min-height: 3.25rem;
  line-height: 1.2;
}

.floating-cta-button:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 12px 35px rgba(30, 64, 175, 0.25), 0 4px 15px rgba(0, 0, 0, 0.15);
  background: var(--primary-color);
  color: white;
}

.floating-cta-button:active {
  transform: translateY(0) scale(1.02);
}

.floating-cta-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Floating CTA animations */
@keyframes float-pulse {
  0% {
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.15), 0 2px 10px rgba(0, 0, 0, 0.1);
  }
  50% {
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.25), 0 4px 15px rgba(0, 0, 0, 0.15);
  }
  100% {
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.15), 0 2px 10px rgba(0, 0, 0, 0.1);
  }
}

.floating-cta-button {
  animation: float-pulse 3s ease-in-out infinite;
}

.floating-cta-button:hover {
  animation: none;
}

/* Mobile adjustments for floating CTA */
@media (max-width: 768px) {
  .floating-cta {
    bottom: 90px;
    right: 20px;
  }
  
  .floating-cta-button {
    padding: 0.875rem 1.25rem;
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 480px) {
  .floating-cta {
    bottom: 80px;
    right: 15px;
  }
  
  .floating-cta-button {
    width: 100%;
    justify-content: center;
    border-radius: var(--radius-lg);
  }
}