.cost-layout { display: grid; gap: 1.5rem; align-items: start; }
.cost-form, .cost-result { padding: clamp(1rem, 3vw, 2rem); min-width: 0; }
.cost-form h2, .cost-result h2 { margin-top: 0; }
.cost-form fieldset { display: grid; gap: .5rem; border: 0; padding: 0; margin: 0; min-width: 0; }
.cost-form legend { font-weight: 600; margin-bottom: .6rem; }
.cost-form .website-check { padding: .5rem 0; cursor: pointer; }
.cost-result ul { padding-left: 1.2rem; list-style: disc; line-height: 1.8; }
.cost-result .website-price { font-size: clamp(1.8rem, 4vw, 2.5rem); }
.cost-result .store-btn { display: flex; white-space: normal; text-align: center; margin: 1.25rem 0; }
@media (min-width: 800px) { .cost-layout { grid-template-columns: 1fr 1fr; } }