:root {
  --primary: #1A2B5F;
  --secondary: #6C757D;
  --background: #FFFFFF;
  --footer-bg: #1A2B5F;
  --button: #1A2B5F;
  --section-bg-1: #F8F9FA;
  --section-bg-2: #E9ECEF;
  --section-bg-3: #DEE2E6;
  --text-primary: #212529;
  --text-secondary: #495057;
  --text-light: #F8F9FA;
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --transition-base: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.05);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

body {
  font-family: var(--font-main);
  color: var(--text-primary);
  background-color: var(--background);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 1.5rem;
}

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

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

h3 {
  font-size: 1.75rem;
}

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

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

a:hover {
  color: color-mix(in srgb, var(--primary), black 15%);
}

.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);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--button);
  color: var(--text-light);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: color-mix(in srgb, var(--button), black 10%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border: 1px solid var(--button);
  color: var(--button);
  background-color: transparent;
}

.btn-outline:hover {
  background-color: var(--button);
  color: var(--text-light);
}

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

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

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

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

.footer a {
  color: var(--text-light);
  opacity: 0.8;
}

.footer a:hover {
  opacity: 1;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}