html {
    scroll-behavior: smooth;
    scroll-padding-top: 4rem;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Dot-grid hero background */
.dot-grid {
    background-image: radial-gradient(circle, #94a3b8 1px, transparent 1px);
    background-size: 28px 28px;
}

.dark .dot-grid {
    background-image: radial-gradient(circle, #334155 1px, transparent 1px);
}

/* Feature card hover lift */
.feature-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-3px);
}

/* Animate-in on scroll (JS adds .visible class) */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}