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

body { 
    font-family: 'Inter', sans-serif; 
}

.diagnostic-step { 
    display: none; 
}

.diagnostic-step.active { 
    display: block; 
}

.gradient-bg { 
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%); 
}

.nav-link {
    opacity: 0.8;
    transition: opacity 0.2s, border-bottom 0.2s;
}

.nav-link:hover {
    opacity: 1;
}

.nav-link.active { 
    border-bottom: 3px solid white; 
    opacity: 1; 
}