:root {
  --primary: #5D9C9C;
  --secondary: #DFEEEB;
  --background: #F5F5F5;
  --footer-bg: #3A606E;
  --button: #5D9C9C;
  --section-bg-1: #DFEEEB;
  --section-bg-2: #F5F5F5;
  --section-bg-3: #E8F4F2;
  --section-bg-4: #FFFFFF;
  --text-primary: #2D3748;
  --text-secondary: #4A5568;
  --font-main: 'Lato', sans-serif;
  --transition-base: all 0.3s ease;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --radius-base: 8px;
  --radius-lg: 12px;
}

body {
  font-family: var(--font-main);
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--primary);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 2rem;
  line-height: 1.25;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

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

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

.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);
}

.section-bg-4 {
  background-color: var(--section-bg-4);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--button);
  color: white;
  border-radius: var(--radius-base);
  font-weight: 600;
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
  border: none;
  cursor: pointer;
}

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

.card {
  background-color: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition-base);
}

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

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

footer a {
  color: white;
}

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

@media (min-width: 768px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.5rem;
  }
  
  .section-padding {
    padding: 6rem 0;
  }
}

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

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}