body { background: #f5f7fb; }
.navbar-brand { font-weight: 700; }
.card { border: 0; border-radius: 1rem; box-shadow: 0 10px 25px rgba(0,0,0,.05); }
.footer { font-size: .9rem; color: #666; }
.scale-label { font-weight: 600; }
.section-title { margin-top: 1rem; }