:root {
  --primary: #5D8AA8;
  --secondary: #F0F8FF;
  --background: #FAF9F6;
  --footer-bg: #E6E6FA;
  --button: #5D8AA8;
  --section-bg-1: #E6E6FA;
  --section-bg-2: #F0F8FF;
  --section-bg-3: #FAF9F6;
  --section-bg-4: #E0FFFF;
  --text-primary: #333333;
  --text-secondary: #5D5D5D;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --transition: all 0.3s ease;
}

body {
  background-color: var(--background);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.7;
  font-weight: 400;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.025em;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  max-width: 65ch;
}

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

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

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--button);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  border: none;
  cursor: pointer;
}

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

.section {
  padding: 4rem 0;
}

.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);
}

.card {
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
  transition: var(--transition);
}

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

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

input, textarea, select {
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  width: 100%;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(93, 138, 168, 0.2);
}

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

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

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