:root {
    --accent-purple: #6f42c1;
    --accent-purple-light: #f3effc;
}

body {
    scroll-behavior: smooth;
}

.text-accent { color: var(--accent-purple); }
.bg-accent { background-color: var(--accent-purple); }
.bg-accent-light { background-color: var(--accent-purple-light); }

.section { padding: 4rem 0; }
.section-title { margin-bottom: 2rem; }

.system-card {
    border: 1px solid #e5e5e5;
    border-radius: .75rem;
    padding: 2rem;
    height: 100%;
    transition: transform .2s ease, box-shadow .2s ease;
}

.system-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, .05);
}

.step-number {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--accent-purple);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

footer { font-size: .9rem; }