:root {
  --primary: #0056b3;
  --secondary: #ffffff;
  --background: #f8f9fa;
  --footer-bg: #343a40;
  --button: #0056b3;
  --section-bg-1: #e9ecef;
  --section-bg-2: #dee2e6;
  --section-bg-3: #ced4da;
  --section-bg-4: #adb5bd;
  --text-primary: #212529;
  --text-secondary: #495057;
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --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: 0.125rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.5rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 1.5rem;
  color: var(--text-primary);
}

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

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

h3 {
  font-size: 1.5rem;
}

p {
  margin: 0 0 1.5rem;
  color: var(--text-secondary);
}

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

a:hover {
  color: #003d82;
  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-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
}

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

.btn-primary:hover {
  background-color: #003d82;
  border-color: #003d82;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background-color: var(--button);
  color: var(--secondary);
  transform: translateY(-2px);
}

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

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

.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #dee2e6;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-family: var(--font-main);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

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

footer a {
  color: rgba(255, 255, 255, 0.8);
}

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

/* Animations */
[data-aos] {
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"] {
  transform: translateY(20px);
  opacity: 0;
}

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
  opacity: 1;
}

/* Lightbox adjustments */
.sl-overlay {
  background: rgba(0, 0, 0, 0.9) !important;
}

.sl-wrapper .sl-close,
.sl-wrapper .sl-counter,
.sl-wrapper .sl-navigation button {
  color: var(--secondary) !important;
}

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