:root {
    --primary-blue: #2563EB;
    --secondary-blue: #EFF6FF;
    --primary-gray: #4B5563;
    --secondary-gray: #9CA3AF;
    --light-gray: #F3F4F6;
    --dark-gray: #1F2937;
    --white: #FFFFFF;
}
body {
    font-family: 'Inter', sans-serif;
}
.nav-link {
    color: var(--primary-gray);
    text-decoration: none;
    padding-bottom: 4px;
    transition: all 0.3s ease;
}
.nav-link:hover,
.active-link {
    color: var(--primary-blue);
    border-bottom: 2px solid var(--primary-blue);
}