.estimate-form .guided-section { margin: 1.5rem 0; padding: 1.25rem; border: 1px solid #c4daeb; border-radius: 12px; background: #f5f9fc; min-width: 0; }
.estimate-form .guided-section legend { font-size: 1.1rem; font-weight: 800; padding: 0 .45rem; color: #103759; }
.estimate-form .guided-section .field-help { margin: .8rem 0 1rem; font-size: .9rem; line-height: 1.55; }
.estimate-form .guided-heading { margin: 1.8rem 0 1rem; font-size: 1.15rem; }
.estimate-form [hidden] { display: none !important; }
.estimate-form .product-features { margin-top: 1rem; }
.estimate-form select, .estimate-form input { max-width: 100%; min-width: 0; }
@media(max-width:600px) { .estimate-form .guided-section { padding: .9rem; } .estimate-form .measurement-grid, .estimate-form .guided-section .form-grid { grid-template-columns: 1fr; } }