:root {
  --primary: #4682B4;
  --secondary: #E6E6FA;
  --background: #F5F5F5;
  --footer-bg: #2F4F4F;
  --button: #4682B4;
  --section-bg-1: #E6E6FA;
  --section-bg-2: #F0F8FF;
  --section-bg-3: #FFFFFF;
  --text-primary: #333333;
  --text-light: #FFFFFF;
  --font-main: 'Lato', sans-serif;
  --font-heading: 'Merriweather', serif;
  --transition: all 0.3s ease;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
}

body {
  font-family: var(--font-main);
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 1.1rem;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

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

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

.btn {
  background-color: var(--button);
  color: var(--text-light);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  background-color: var(--footer-bg);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.navbar {
  background-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.navbar-brand, .nav-link {
  color: var(--text-light) !important;
}

.nav-link {
  padding: 0.5rem 1rem;
  transition: var(--transition);
}

.nav-link:hover {
  opacity: 0.9;
}

.section-bg-1 {
  background-color: var(--section-bg-1);
}

.section-bg-2 {
  background-color: var(--section-bg-2);
}

.section-bg-3 {
  background-color: var(--section-bg-3);
}

.card {
  border: none;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.card-img-top {
  height: 200px;
  object-fit: cover;
}

footer {
  background-color: var(--footer-bg);
  color: var(--text-light);
  padding: 3rem 0;
}

footer a {
  color: var(--secondary);
}

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

.img-container {
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.img-container img {
  transition: var(--transition);
}

.img-container:hover img {
  transform: scale(1.03);
}

@media (max-width: 768px) {
  body {
    font-size: 1rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .btn {
    padding: 0.6rem 1.2rem;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.8s ease forwards;
}