:root {
  --primary-color: #4A90E2;
  --text-dark: #333333;
  --text-light: #666666;
  --bg-light: #F8F9FA;
  --border-color: #E0E0E0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  font-size: 16px;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  z-index: 1000;
  padding: 1rem 0;
}

header .navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

header .navbar-brand:hover {
  color: var(--primary-color);
  opacity: 0.9;
}

header .nav-link {
  color: var(--text-dark);
  font-weight: 500;
  margin-left: 1.5rem;
  transition: color 0.3s ease;
}

header .nav-link:hover {
  color: var(--primary-color);
}

main {
  margin-top: 76px;
}

.hero-section {
  background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(74, 144, 226, 0.05) 100%);
  padding: 4rem 0;
}

.hero-section h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.hero-section p {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

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

section {
  padding: 4rem 0;
}

section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

section h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

section p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

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

.card {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
}

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

.card img {
  border-radius: 8px 8px 0 0;
  max-width: 100%;
  height: auto;
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.card-text {
  color: var(--text-light);
  font-size: 0.95rem;
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
  padding: 0.75rem 2rem;
  font-weight: 500;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.btn-primary:hover {
  background-color: #3A7BC8;
  border-color: #3A7BC8;
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
  padding: 0.75rem 2rem;
  font-weight: 500;
  border-radius: 4px;
  transition: all 0.3s ease;
}

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

.content-image-left {
  float: left;
  margin: 0 2rem 1rem 0;
  max-width: 45%;
  border-radius: 8px;
}

.content-image-right {
  float: right;
  margin: 0 0 1rem 2rem;
  max-width: 45%;
  border-radius: 8px;
}

.myth-fact-item {
  background: #ffffff;
  border-left: 4px solid var(--primary-color);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.myth-fact-item h4 {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.reference-item {
  background: #ffffff;
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.reference-item p {
  margin-bottom: 0;
  color: var(--text-light);
  font-size: 0.9rem;
}

.disclaimer-box {
  background: #FFF9E6;
  border: 2px solid #FFD700;
  border-radius: 8px;
  padding: 2rem;
  margin: 2rem 0;
}

.disclaimer-box h3 {
  color: #D4AF37;
  margin-bottom: 1rem;
}

.educational-note {
  background: var(--bg-light);
  border-left: 4px solid var(--primary-color);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 4px;
}

footer {
  background-color: #2C3E50;
  color: #ffffff;
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

footer h5 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

footer p, footer a {
  color: #BDC3C7;
  font-size: 0.9rem;
  text-decoration: none;
}

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

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

footer ul li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid #34495E;
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: center;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #2C3E50;
  color: #ffffff;
  padding: 1.5rem;
  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: 1rem;
  color: #BDC3C7;
}

.cookie-banner button {
  margin-right: 1rem;
}

@media (max-width: 768px) {
  .hero-section h1 {
    font-size: 2rem;
  }
  
  section h2 {
    font-size: 1.75rem;
  }
  
  .content-image-left,
  .content-image-right {
    float: none;
    max-width: 100%;
    margin: 0 0 1rem 0;
  }
  
  header .nav-link {
    margin-left: 0;
    margin-top: 0.5rem;
  }
}

@media (max-width: 576px) {
  .hero-section {
    padding: 2rem 0;
  }
  
  section {
    padding: 2rem 0;
  }
  
  .cookie-banner button {
    display: block;
    width: 100%;
    margin-bottom: 0.5rem;
  }
}