* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-bg: #F5F5F5;
  --secondary-bg: #FFFFFF;
  --accent-primary: #3F51B5;
  --accent-secondary: #FFC107;
  --accent-tertiary: #4CAF50;
  --text-primary: #222222;
  --text-secondary: #666666;
  --text-light: #999999;
  --border-color: #E0E0E0;
  --shadow-light: rgba(0, 0, 0, 0.08);
  --shadow-medium: rgba(0, 0, 0, 0.12);
  --spacing-base: 8px;
}

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

body {
  font-family: 'Georgia', 'Garamond', serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--primary-bg);
  letter-spacing: 0.3px;
}

h1 {
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: calc(var(--spacing-base) * 2);
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

h2 {
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: calc(var(--spacing-base) * 1.5);
  color: var(--text-primary);
}

h3 {
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: calc(var(--spacing-base) * 1);
  color: var(--text-primary);
}

h4 {
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-base) * 0.75);
  color: var(--text-primary);
}

p {
  margin-bottom: calc(var(--spacing-base) * 2);
  text-align: justify;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-secondary);
}

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

ul, ol {
  margin-left: calc(var(--spacing-base) * 2);
  margin-bottom: calc(var(--spacing-base) * 2);
}

li {
  margin-bottom: calc(var(--spacing-base) * 1);
}

header {
  background-color: var(--secondary-bg);
  border-bottom: 1px solid var(--border-color);
  padding: calc(var(--spacing-base) * 2) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px var(--shadow-light);
}

header .container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-base) * 2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header .logo {
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-primary);
}

header .logo a {
  color: var(--accent-primary);
}

header nav ul {
  display: flex;
  list-style: none;
  gap: calc(var(--spacing-base) * 3);
  margin: 0;
}

header nav a {
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.3s ease;
}

header nav a:hover,
header nav a.active {
  color: var(--accent-primary);
}

footer {
  background-color: var(--secondary-bg);
  border-top: 1px solid var(--border-color);
  padding: calc(var(--spacing-base) * 4) 0;
  margin-top: calc(var(--spacing-base) * 6);
}

footer .container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-base) * 2);
}

footer .footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--spacing-base) * 4);
  margin-bottom: calc(var(--spacing-base) * 3);
}

footer .footer-section h4 {
  color: var(--accent-primary);
  margin-bottom: calc(var(--spacing-base) * 1.5);
}

footer .footer-section ul {
  list-style: none;
  margin: 0;
}

footer .footer-section a {
  font-size: 0.9rem;
  line-height: 1.8;
}

footer .divider {
  border-top: 1px solid var(--border-color);
  margin: calc(var(--spacing-base) * 3) 0;
}

footer .footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: calc(var(--spacing-base) * 2);
  font-size: 0.85rem;
  color: var(--text-light);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-base) * 2);
}

.full-width-container {
  width: 100%;
  padding: 0;
  margin: 0;
}

section {
  padding: calc(var(--spacing-base) * 6) 0;
}

.section-hero {
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('images/hero-image.jpg') center/cover no-repeat;
  color: white;
  padding: calc(var(--spacing-base) * 10) 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 600px;
  position: relative;
}

.section-hero .content {
  text-align: center;
  max-width: 800px;
  z-index: 2;
}

.section-hero h1 {
  color: white;
  font-size: 3.5rem;
  margin-bottom: calc(var(--spacing-base) * 2);
}

.section-hero p {
  font-size: 1.2rem;
  line-height: 1.8;
  text-align: center;
  margin-bottom: calc(var(--spacing-base) * 3);
}

.section-white {
  background-color: var(--secondary-bg);
}

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

.section-accent {
  background-color: var(--accent-primary);
  color: white;
}

.section-accent h2,
.section-accent h3 {
  color: white;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-base) * 4);
  align-items: center;
}

.two-column.reverse {
  direction: rtl;
}

.two-column.reverse > * {
  direction: ltr;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-base) * 4);
  margin: calc(var(--spacing-base) * 3) 0;
}

.card {
  background-color: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: calc(var(--spacing-base) * 3);
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px var(--shadow-light);
}

.card:hover {
  box-shadow: 0 6px 12px var(--shadow-medium);
  transform: translateY(-2px);
}

.btn {
  display: inline-block;
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: calc(var(--spacing-base) * 1.5) calc(var(--spacing-base) * 3);
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: #2E3E8E;
  box-shadow: 0 4px 8px rgba(63, 81, 181, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
}

.btn-secondary:hover {
  background-color: var(--accent-primary);
  color: white;
}

.btn-text {
  background-color: transparent;
  color: var(--accent-primary);
  padding: calc(var(--spacing-base) * 1) calc(var(--spacing-base) * 2);
}

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

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: calc(var(--spacing-base) * 1.5);
  margin-bottom: calc(var(--spacing-base) * 2);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  background-color: var(--secondary-bg);
  transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.1);
}

textarea {
  resize: vertical;
  min-height: 200px;
}

.form-group {
  margin-bottom: calc(var(--spacing-base) * 2);
}

.form-group label {
  display: block;
  margin-bottom: calc(var(--spacing-base) * 1);
  font-weight: 600;
  color: var(--text-primary);
}

.disclaimer {
  background-color: #F0F4F8;
  border-left: 4px solid var(--accent-primary);
  padding: calc(var(--spacing-base) * 2.5);
  border-radius: 4px;
  margin: calc(var(--spacing-base) * 3) 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

.educational-notice {
  background-color: #FFF8E1;
  border: 1px solid var(--accent-secondary);
  padding: calc(var(--spacing-base) * 2);
  border-radius: 4px;
  margin: calc(var(--spacing-base) * 2) 0;
  font-size: 0.9rem;
  text-align: center;
  font-weight: 500;
  color: #5F4A00;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: calc(var(--spacing-base) * 2);
  background-color: var(--accent-primary);
  color: white;
  padding: calc(var(--spacing-base) * 3);
  border-radius: 4px;
  margin: calc(var(--spacing-base) * 3) 0;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: calc(var(--spacing-base) * 1);
}

.stat-label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.matrix {
  width: 100%;
  border-collapse: collapse;
  margin: calc(var(--spacing-base) * 3) 0;
  background-color: var(--secondary-bg);
  border: 1px solid var(--border-color);
}

.matrix th {
  background-color: var(--accent-primary);
  color: white;
  padding: calc(var(--spacing-base) * 2);
  text-align: left;
  font-weight: 600;
}

.matrix td {
  padding: calc(var(--spacing-base) * 2);
  border-bottom: 1px solid var(--border-color);
}

.matrix tr:hover {
  background-color: var(--primary-bg);
}

.glossary-rail {
  background-color: var(--primary-bg);
  border-left: 4px solid var(--accent-secondary);
  padding: calc(var(--spacing-base) * 3);
  margin: calc(var(--spacing-base) * 3) 0;
  border-radius: 4px;
}

.glossary-item {
  margin-bottom: calc(var(--spacing-base) * 3);
}

.glossary-term {
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: calc(var(--spacing-base) * 1);
  font-size: 1.1rem;
}

.glossary-definition {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.timeline {
  position: relative;
  padding: calc(var(--spacing-base) * 2) 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: calc(var(--spacing-base) * 3);
  margin-bottom: calc(var(--spacing-base) * 3);
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 44px;
  top: 40px;
  width: 2px;
  height: calc(100% - 40px);
  background-color: var(--border-color);
}

.timeline-item:last-child::before {
  display: none;
}

.timeline-dot {
  width: 12px;
  height: 12px;
  background-color: var(--accent-primary);
  border-radius: 50%;
  position: absolute;
  left: 39px;
  top: 5px;
  border: 3px solid var(--secondary-bg);
}

.timeline-content {
  padding-top: calc(var(--spacing-base) * 1);
}

.timeline-year {
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: calc(var(--spacing-base) * 0.5);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--secondary-bg);
  border-top: 1px solid var(--border-color);
  padding: calc(var(--spacing-base) * 2);
  box-shadow: 0 -2px 10px var(--shadow-medium);
  z-index: 9999;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cookie-banner.active {
  display: block;
  opacity: 1;
}

.cookie-banner .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: calc(var(--spacing-base) * 2);
}

.cookie-text {
  flex: 1;
  min-width: 250px;
  font-size: 0.9rem;
  line-height: 1.6;
}

.cookie-buttons {
  display: flex;
  gap: calc(var(--spacing-base) * 1.5);
  flex-wrap: wrap;
}

.cookie-buttons button {
  padding: calc(var(--spacing-base) * 1) calc(var(--spacing-base) * 2);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.cookie-accept {
  background-color: var(--accent-primary);
  color: white;
}

.cookie-accept:hover {
  background-color: #2E3E8E;
}

.cookie-decline {
  background-color: transparent;
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
}

.cookie-decline:hover {
  background-color: var(--accent-primary);
  color: white;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--spacing-base) * 3);
  margin: calc(var(--spacing-base) * 3) 0;
}

.blog-card {
  background-color: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.blog-card:hover {
  box-shadow: 0 6px 12px var(--shadow-medium);
  transform: translateY(-4px);
}

.blog-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-content {
  padding: calc(var(--spacing-base) * 2.5);
}

.blog-card h3 {
  margin-bottom: calc(var(--spacing-base) * 1);
  font-size: 1.3rem;
}

.blog-excerpt {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: calc(var(--spacing-base) * 1.5);
  color: var(--text-secondary);
}

.breadcrumb {
  display: flex;
  list-style: none;
  gap: calc(var(--spacing-base) * 1);
  margin-bottom: calc(var(--spacing-base) * 3);
  font-size: 0.9rem;
}

.breadcrumb li:not(:last-child)::after {
  content: '/';
  margin-left: calc(var(--spacing-base) * 1);
  color: var(--text-light);
}

.image-section {
  margin: calc(var(--spacing-base) * 4) 0;
  border-radius: 4px;
  overflow: hidden;
}

.image-section img {
  width: 100%;
  height: auto;
  display: block;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--secondary-bg);
  margin: calc(var(--spacing-base) * 3) 0;
}

.comparison-table th {
  background-color: var(--accent-primary);
  color: white;
  padding: calc(var(--spacing-base) * 2);
  text-align: left;
}

.comparison-table td {
  padding: calc(var(--spacing-base) * 2);
  border-bottom: 1px solid var(--border-color);
}

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

.section-divider {
  height: 2px;
  background: linear-gradient(to right, var(--border-color), var(--accent-primary), var(--border-color));
  margin: calc(var(--spacing-base) * 6) 0;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  h3 {
    font-size: 1.3rem;
  }

  header .container {
    flex-direction: column;
    gap: calc(var(--spacing-base) * 2);
  }

  header nav ul {
    gap: calc(var(--spacing-base) * 2);
    flex-direction: column;
  }

  .section-hero {
    padding: calc(var(--spacing-base) * 6) 0;
    min-height: 400px;
  }

  .section-hero h1 {
    font-size: 2rem;
  }

  .two-column {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  footer .footer-content {
    grid-template-columns: 1fr;
  }

  footer .footer-bottom {
    flex-direction: column;
    justify-content: center;
  }

  .cookie-banner .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-buttons {
    width: 100%;
  }

  .stat-strip {
    grid-template-columns: 1fr;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }
}