/* Base styles */
:root {
  --primary-font: 'Inter', sans-serif;
  --heading-font: 'Karla', sans-serif;
  --primary-color: #374151; /* gray-700 */
  --hover-color: #1F2937; /* gray-800 */
}

body {
  font-family: var(--primary-font);
  line-height: 1.5;
  color: var(--primary-color);
  background-color: #ffffff;
}

/* Header and Navigation */
.nav-logo {
  transition: opacity 0.2s ease-in-out;
}

.nav-logo:hover {
  opacity: 0.9;
}

.nav-link {
  position: relative;
  transition: color 0.2s ease-in-out;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: var(--hover-color);
  transition: all 0.3s ease-in-out;
}

.nav-link:hover::after {
  width: 100%;
  left: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
}

/* Counter Animation */
.countup {
  display: inline-block;
  font-weight: 700;
  color: #2563EB; /* blue-600 */
}

/* Main Content */
.main-image {
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
  transition: transform 0.3s ease-in-out;
}

.main-image:hover {
  transform: translateY(-5px);
}

/* Custom Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeUp {
  animation: fadeUp 0.6s ease-out forwards;
}

/* Statistics Section */
.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: #2563EB;
  line-height: 1.2;
}

.stat-label {
  font-size: 1.125rem;
  color: var(--primary-color);
  margin-top: 0.5rem;
}

/* Responsive Design Adjustments */
@media (max-width: 768px) {
  .stat-number {
    font-size: 2rem;
  }
  
  .stat-label {
    font-size: 1rem;
  }
}

/* Footer */
.footer {
  border-top: 1px solid #E5E7EB;
  padding-top: 2rem;
}

.footer a {
  transition: color 0.2s ease-in-out;
}

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

/* Custom Utility Classes */
.text-gradient {
  background: linear-gradient(90deg, #2563EB 0%, #3B82F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.shadow-custom {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
              0 2px 4px -1px rgba(0, 0, 0, 0.06);
}