:root {
  --primary-color: #4CAF50;
  --text-color: #333;
  --bg-light: #fafafa;
  --border-radius: 5px;
  --spacing: 25px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --transition: 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-color);
  background: #fff;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #fff;
  box-shadow: var(--shadow);
  z-index: 1000;
  padding: 15px 0;
}

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

.logo {
  font-size: 22px;
  font-weight: 600;
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.logo:hover {
  opacity: 0.8;
  text-decoration: none;
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing);
  margin: 0;
}

nav a {
  color: var(--text-color);
  text-decoration: none;
  transition: var(--transition);
  font-size: 16px;
}

nav a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

main {
  margin-top: 70px;
}

.hero-section {
  position: relative;
  width: 100%;
  height: 500px;
  overflow: hidden;
  margin-bottom: var(--spacing);
}

.hero-section img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  text-align: center;
  color: #fff;
  max-width: 800px;
  padding: 20px;
}

.hero-content h1 {
  font-size: 40px;
  margin-bottom: 20px;
  font-weight: 600;
}

.hero-content p {
  font-size: 20px;
  line-height: 1.6;
}

.content-section {
  padding: 50px 0;
}

.content-section:nth-child(even) {
  background: var(--bg-light);
}

h1 {
  font-size: 36px;
  margin-bottom: var(--spacing);
  color: var(--text-color);
  font-weight: 600;
  line-height: 1.3;
}

h2 {
  font-size: 30px;
  margin-bottom: 20px;
  color: var(--text-color);
  font-weight: 600;
  line-height: 1.4;
}

h3 {
  font-size: 24px;
  margin-bottom: 15px;
  color: var(--text-color);
  font-weight: 600;
  line-height: 1.4;
}

p {
  margin-bottom: 20px;
  line-height: 1.7;
}

.image-left, .image-right {
  margin-bottom: 30px;
}

.image-left img, .image-right img {
  width: 100%;
  max-width: 450px;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.cta-section {
  background: var(--primary-color);
  color: #fff;
  padding: 60px 0;
  text-align: center;
}

.cta-section h2 {
  color: #fff;
  margin-bottom: 20px;
}

.cta-section p {
  font-size: 18px;
  margin-bottom: 30px;
}

.btn-primary {
  display: inline-block;
  background: #fff;
  color: var(--primary-color);
  padding: 12px 30px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.btn-primary:hover {
  background: #f0f0f0;
  text-decoration: none;
  color: var(--primary-color);
}

.form-control {
  border-radius: var(--border-radius);
  border: 1px solid #ddd;
  padding: 10px 15px;
  font-size: 16px;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(76, 175, 80, 0.25);
  outline: none;
}

.disclaimer-box {
  background: #f9f9f9;
  border-left: 4px solid var(--primary-color);
  padding: 25px;
  margin: 40px 0;
  border-radius: var(--border-radius);
}

.disclaimer-box h3 {
  color: var(--primary-color);
  margin-bottom: 15px;
}

.faq-item {
  margin-bottom: 30px;
  padding: 20px;
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.faq-item h3 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

footer {
  background: #2c2c2c;
  color: #fff;
  padding: 50px 0 20px;
  margin-top: 50px;
}

footer h3 {
  color: #fff;
  font-size: 20px;
  margin-bottom: 20px;
}

footer a {
  color: #fff;
  text-decoration: none;
  transition: var(--transition);
}

footer a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

footer ul {
  list-style: none;
  padding: 0;
}

footer ul li {
  margin-bottom: 10px;
}

.footer-bottom {
  border-top: 1px solid #444;
  margin-top: 30px;
  padding-top: 20px;
  text-align: center;
  font-size: 14px;
  color: #aaa;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #2c2c2c;
  color: #fff;
  padding: 20px;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
  z-index: 9999;
  display: none;
}

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

.cookie-banner p {
  margin-bottom: 15px;
  font-size: 15px;
}

.cookie-banner button {
  background: var(--primary-color);
  color: #fff;
  border: none;
  padding: 10px 25px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 15px;
  transition: var(--transition);
}

.cookie-banner button:hover {
  background: #45a049;
}

.educational-notice {
  background: #fff3cd;
  border: 1px solid #ffc107;
  padding: 20px;
  border-radius: var(--border-radius);
  margin: 30px 0;
  text-align: center;
}

.educational-notice p {
  margin: 0;
  font-weight: 600;
  color: #856404;
}

@media (min-width: 768px) {
  .image-left {
    float: left;
    margin-right: 30px;
    margin-bottom: 20px;
  }
  
  .image-right {
    float: right;
    margin-left: 30px;
    margin-bottom: 20px;
  }
}

@media (max-width: 767px) {
  nav ul {
    flex-direction: column;
    gap: 10px;
  }
  
  .hero-content h1 {
    font-size: 28px;
  }
  
  .hero-content p {
    font-size: 16px;
  }
  
  h1 {
    font-size: 28px;
  }
  
  h2 {
    font-size: 24px;
  }
  
  h3 {
    font-size: 20px;
  }
  
  .image-left img, .image-right img {
    max-width: 100%;
  }
}