.speed-impact-calculator{--impact-color: #f43f5e;--impact-color-soft: rgba(244, 63, 94, .1)}.speed-impact-card{transition:all .4s cubic-bezier(.175,.885,.32,1.275)}.speed-impact-card:hover{transform:translateY(-5px);box-shadow:0 20px 25px -5px #0000000d,0 10px 10px -5px #00000005}.impact-result-val{font-variant-numeric:tabular-nums;transition:color .3s ease}.speed-visual-track{height:4px;background:#f1f5f9;border-radius:2px;position:relative;overflow:hidden}.speed-visual-bar{position:absolute;height:100%;background:var(--impact-color);width:0;border-radius:2px;transition:width 1s cubic-bezier(.65,0,.35,1),background-color .6s ease}.speed-comparison{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.speed-comparison-card{padding:1.25rem 1.5rem;border-radius:.75rem;border:1px solid;transition:box-shadow .3s ease}.speed-comparison-card:hover{box-shadow:0 4px 12px #0000000f}.speed-comparison-card--slow{background-color:#fff1f2;border-color:#fecdd3}.speed-comparison-card--fast{background-color:#ecfdf5;border-color:#a7f3d0}@media(max-width:639px){.speed-comparison{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.speed-impact-card,.speed-visual-bar,.speed-comparison-card,.impact-result-val{transition:none!important;transform:none!important}}