:root {
  --color-primary: #34495E;
  --color-accent-green: #2ECC71;
  --color-accent-yellow: #F1C40F;
  --color-light: #ECF0F1;
  --color-white: #FFFFFF;
  --color-text: #34495E;
  --color-border: #BDC3C7;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --spacing-xl: 80px;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Lato', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body), sans-serif;
  color: var(--color-text);
  line-height: 1.6;
  background-color: var(--color-white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading), sans-serif;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 48px;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 36px;
  color: var(--color-primary);
}

h3 {
  font-size: 24px;
  color: var(--color-primary);
  margin-top: var(--spacing-md);
}

p {
  margin-bottom: var(--spacing-sm);
  font-size: 16px;
}

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

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

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

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

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

.logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo:hover {
  color: var(--color-accent-green);
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

nav a {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  transition: all 0.3s ease;
}

nav a:hover,
nav a.active {
  background-color: var(--color-light);
  color: var(--color-accent-green);
}

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

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

main {
  margin-top: 70px;
}

.hero {
  background: linear-gradient(rgba(52, 73, 94, 0.5), rgba(52, 73, 94, 0.5)), url('images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  padding: var(--spacing-xl) var(--spacing-md);
}

.hero-content h1 {
  color: var(--color-white);
  font-size: 56px;
  margin-bottom: var(--spacing-md);
}

.hero-content p {
  color: var(--color-light);
  font-size: 20px;
  margin-bottom: var(--spacing-lg);
}

section {
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--color-light);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
}

.row {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.row.reverse {
  flex-direction: row-reverse;
}

.col-50 {
  flex: 1;
  min-width: 300px;
}

.col-50 img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.card {
  background: var(--color-light);
  padding: var(--spacing-md);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border-left: 4px solid var(--color-accent-green);
}

.card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

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

.card-icon {
  font-size: 32px;
  margin-bottom: var(--spacing-sm);
}

.faq-item {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-light);
  border-radius: 8px;
  border-left: 4px solid var(--color-accent-yellow);
}

.faq-item h3 {
  cursor: pointer;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.faq-item p {
  display: none;
  margin: 0;
}

.faq-item.active p {
  display: block;
}

.disclaimer {
  background: var(--color-light);
  padding: var(--spacing-md);
  border-radius: 8px;
  border: 2px solid var(--color-accent-yellow);
  margin: var(--spacing-lg) 0;
}

.disclaimer h3 {
  color: var(--color-primary);
  margin-top: 0;
}

.disclaimer ul {
  margin-left: var(--spacing-md);
  margin-bottom: 0;
}

.disclaimer li {
  margin-bottom: var(--spacing-xs);
}

.cta-soft {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  background: var(--color-light);
  border-radius: 8px;
  margin: var(--spacing-lg) 0;
}

.cta-soft a {
  display: inline-block;
  padding: 12px 32px;
  background-color: var(--color-accent-green);
  color: var(--color-white);
  border-radius: 4px;
  transition: all 0.3s ease;
  font-weight: 600;
}

.cta-soft a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

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

.footer-section h4 {
  color: var(--color-accent-green);
  margin-bottom: var(--spacing-md);
  font-size: 16px;
}

.footer-section a {
  color: var(--color-white);
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: 14px;
}

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

.footer-contact {
  font-size: 14px;
}

.footer-contact p {
  margin-bottom: var(--spacing-xs);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 14px;
}

.footer-message {
  text-align: center;
  color: var(--color-accent-green);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-body), sans-serif;
  font-size: 16px;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-green);
  box-shadow: 0 0 4px rgba(46, 204, 113, 0.3);
}

.form-disclaimer {
  background: var(--color-light);
  padding: var(--spacing-sm);
  border-radius: 4px;
  margin-bottom: var(--spacing-md);
  font-size: 14px;
  border-left: 4px solid var(--color-accent-yellow);
}

.btn {
  display: inline-block;
  padding: 12px 32px;
  background-color: var(--color-accent-green);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  font-family: var(--font-body), sans-serif;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-md);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.2);
  z-index: 999;
  display: none;
}

.cookie-banner.show {
  display: flex;
}

.cookie-content {
  flex: 1;
  margin-right: var(--spacing-md);
}

.cookie-content p {
  margin-bottom: var(--spacing-sm);
  font-size: 14px;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.cookie-buttons button {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.3s ease;
}

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

.btn-accept:hover {
  background-color: #27AE60;
}

.btn-reject {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn-reject:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

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

.btn-learn:hover {
  background-color: #F39C12;
}

@media (max-width: 992px) {
  nav ul {
    gap: var(--spacing-sm);
  }

  nav a {
    padding: var(--spacing-xs) var(--spacing-xs);
    font-size: 14px;
  }

  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 28px;
  }

  .hero {
    min-height: 400px;
  }

  .hero-content h1 {
    font-size: 40px;
  }

  .col-50 {
    flex: 0 0 100%;
  }

  .row {
    flex-direction: column;
  }

  .row.reverse {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  nav ul {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-white);
    padding: var(--spacing-md);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    display: none;
  }

  nav ul.show {
    display: flex;
  }

  nav ul li {
    width: 100%;
  }

  nav a {
    display: block;
    padding: var(--spacing-sm);
  }

  header {
    z-index: 1001;
  }

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

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

  .cookie-banner {
    flex-direction: column;
  }

  .cookie-content {
    margin-right: 0;
    margin-bottom: var(--spacing-sm);
  }

  .cookie-buttons {
    justify-content: flex-start;
  }
}

@media (max-width: 576px) {
  body {
    font-size: 14px;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 22px;
  }

  h3 {
    font-size: 18px;
  }

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

  section {
    padding: var(--spacing-lg) 0;
  }

  .hero {
    min-height: 300px;
  }

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

  .hero-content p {
    font-size: 16px;
  }

  main {
    margin-top: 60px;
  }

  header {
    padding: var(--spacing-sm);
  }

  .header-content {
    padding: var(--spacing-sm);
  }

  .logo {
    font-size: 22px;
  }
}