:root {
  --primary: #2C3E50;
  --primary-light: #34495e;
  --secondary: #ECF0F1;
  --neutral: #BDC3C7;
  --text-secondary: #7F8C8D;
  --accent-blue: #3498DB;
  --accent-green: #2ECC71;
  --accent-orange: #F39C12;
  --white: #FFFFFF;
  --dark-gray: #2C3E50;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--primary);
  background-color: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  background-color: var(--white);
  border-bottom: 1px solid var(--neutral);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(44, 62, 80, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

nav a {
  text-decoration: none;
  color: var(--primary);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

nav a.active {
  color: var(--accent-blue);
  border-bottom: 2px solid var(--accent-blue);
  padding-bottom: 5px;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
  transition: 0.3s;
}

footer {
  background-color: var(--primary);
  color: var(--secondary);
  padding: 60px 0 20px;
  margin-top: 120px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  color: var(--accent-blue);
  margin-bottom: 15px;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-section p, .footer-section a {
  color: var(--secondary);
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.8;
}

.footer-section a {
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-disclaimer {
  border-top: 1px solid rgba(236, 240, 241, 0.2);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
}

h1 {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 20px;
}

h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  line-height: 1.3;
}

h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 15px;
}

p {
  margin-bottom: 15px;
  color: var(--primary);
  line-height: 1.8;
}

section {
  padding: 100px 0;
}

.section-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 120px 0;
  text-align: center;
}

.section-hero h1 {
  color: var(--white);
  font-size: 56px;
  margin-bottom: 20px;
}

.section-hero p {
  color: var(--secondary);
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto 30px;
}

.section-light {
  background-color: var(--secondary);
  padding: 100px 0;
}

.section-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.section-content-reverse {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  direction: rtl;
}

.section-content-reverse > * {
  direction: ltr;
}

.section-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 15px 40px rgba(44, 62, 80, 0.15);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 50px;
}

.card {
  background-color: var(--white);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(44, 62, 80, 0.1);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card:hover {
  box-shadow: 0 10px 30px rgba(44, 62, 80, 0.2);
  transform: translateY(-3px);
}

.card h3 {
  color: var(--accent-blue);
  margin-bottom: 15px;
}

.card p {
  font-size: 14px;
  color: var(--text-secondary);
}

.accent-border-left {
  border-left: 4px solid var(--accent-blue);
  padding-left: 20px;
}

.accent-border-bottom {
  border-bottom: 3px solid var(--accent-orange);
  padding-bottom: 15px;
}

.button {
  display: inline-block;
  padding: 12px 32px;
  background-color: var(--accent-blue);
  color: var(--white);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 14px;
}

.button:hover {
  background-color: #2980b9;
  box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.button-secondary {
  background-color: var(--accent-green);
}

.button-secondary:hover {
  background-color: #27ae60;
}

form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 600px;
}

input, textarea {
  padding: 12px 16px;
  border: 1px solid var(--neutral);
  border-radius: 6px;
  font-family: inherit;
  font-size: 14px;
  color: var(--primary);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

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

.disclaimer-box {
  background-color: var(--secondary);
  border-left: 4px solid var(--accent-blue);
  padding: 20px;
  border-radius: 4px;
  margin: 30px 0;
  font-size: 13px;
  color: var(--primary);
  line-height: 1.8;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--primary);
  color: var(--white);
  padding: 20px;
  z-index: 2000;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
  display: none;
}

.cookie-banner.show {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.cookie-text {
  flex: 1;
  font-size: 14px;
  line-height: 1.6;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
}

.cookie-btn {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  transition: 0.3s;
}

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

.cookie-accept:hover {
  background-color: #27ae60;
}

.cookie-decline {
  background-color: var(--neutral);
  color: var(--primary);
}

.cookie-decline:hover {
  background-color: #a0a6a8;
}

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

.cookie-learn:hover {
  background-color: rgba(52, 152, 219, 0.1);
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin: 60px 0;
}

.glossary-box {
  background-color: var(--secondary);
  padding: 30px;
  border-radius: 8px;
  margin: 20px 0;
}

.glossary-item {
  margin-bottom: 25px;
}

.glossary-item dt {
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 8px;
  font-size: 16px;
}

.glossary-item dd {
  color: var(--primary);
  font-size: 14px;
  line-height: 1.8;
}

.timeline {
  position: relative;
  padding: 40px 0;
}

.timeline-item {
  margin-bottom: 40px;
  padding-left: 40px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 12px;
  height: 12px;
  background-color: var(--accent-blue);
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--accent-blue);
}

.timeline-item h4 {
  color: var(--accent-blue);
  margin-bottom: 5px;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 50px 0;
}

.stat-item {
  text-align: center;
  padding: 30px;
  background-color: var(--secondary);
  border-radius: 8px;
}

.stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 10px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  nav ul {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 26px;
  }

  .section-content, .section-content-reverse {
    grid-template-columns: 1fr;
    gap: 30px;
    direction: ltr;
  }

  .section-content-reverse > * {
    direction: ltr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .cookie-banner.show {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }

  .cookie-buttons {
    flex-direction: column;
    width: 100%;
  }

  .cookie-btn {
    width: 100%;
  }

  .two-column {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .section-hero h1 {
    font-size: 36px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 20px;
  }

  h3 {
    font-size: 18px;
  }

  section {
    padding: 60px 0;
  }

  .card {
    padding: 20px;
  }

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

  .section-hero {
    padding: 80px 0;
  }

  .section-hero h1 {
    font-size: 28px;
  }
}