:root {
  --primary: #2DCCD3;
  --secondary: #C0C0C0;
  --background: #FFFFFF;
  --footer-bg: #2DCCD3;
  --button: #2DCCD3;
  --section-bg-1: #F5F5F5;
  --section-bg-2: #E9F9FA;
  --section-bg-3: #FFFFFF;
  --font-main: 'Roboto', sans-serif;
  --text-dark: #333333;
  --text-light: #FFFFFF;
  --transition: all 0.3s ease;
}

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background-color: var(--background);
  line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

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

a:hover {
  color: #1FA4AA;
}

.btn {
  background-color: var(--button);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.btn:hover {
  background-color: #1FA4AA;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.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 {
  border: none;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: var(--transition);
}

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

.navbar {
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.navbar-brand {
  font-weight: 700;
  color: var(--primary);
  font-size: 1.5rem;
}

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

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

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

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

.footer a:hover {
  color: #E0E0E0;
  text-decoration: underline;
}

.form-control {
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--secondary);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem rgba(45, 204, 211, 0.25);
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .section-bg-1,
  .section-bg-2,
  .section-bg-3 {
    padding: 2.5rem 0;
  }
}