:root {
  --primary: #4a6fa5;
  --secondary: #e8e8e8;
  --background: #f5f5f5;
  --footer-bg: #333333;
  --button: #4a6fa5;
  --section-bg-1: #ffffff;
  --section-bg-2: #e8e8e8;
  --section-bg-3: #d4e5f6;
  --text-dark: #333333;
  --text-light: #ffffff;
  --font-main: Arial, Helvetica, sans-serif;
  --transition: all 0.3s ease;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--background);
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.5px;
}

p {
  margin-bottom: 1.5rem;
}

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

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

.btn-custom {
  background-color: var(--button);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-custom:hover {
  background-color: #3a5a8f;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  color: white;
}

.section-bg-1 {
  background-color: var(--section-bg-1);
  padding: 4rem 0;
}

.section-bg-2 {
  background-color: var(--section-bg-2);
  padding: 4rem 0;
}

.section-bg-3 {
  background-color: var(--section-bg-3);
  padding: 4rem 0;
}

.card-custom {
  border: none;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  overflow: hidden;
}

.card-custom:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.navbar-custom {
  background-color: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.navbar-custom .nav-link {
  color: var(--text-dark);
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: var(--transition);
}

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

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

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

.footer-custom a:hover {
  color: var(--secondary);
  text-decoration: none;
}

.form-control-custom {
  border: 1px solid var(--secondary);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  transition: var(--transition);
}

.form-control-custom:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem rgba(74, 111, 165, 0.25);
}

@media (max-width: 768px) {
  body {
    font-size: 15px;
  }
  
  h1, h2, h3 {
    font-size: 1.8rem;
  }
  
  .section-bg-1,
  .section-bg-2,
  .section-bg-3 {
    padding: 2.5rem 0;
  }
}