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(width<=768px){.preview-stage{min-height:180px;margin-bottom:1rem;padding:1rem}.visualizer-desc{margin-bottom:1rem}.visualizer-card{padding:1rem}.success-screen{padding:2rem 1rem}}@media (width<=480px){.brochure-3d-model{transform:scale(.85)}}@media (width<=360px){.brochure-3d-model{transform:scale(.72)}}@media (width<=580px){.option-grid{grid-template-columns:1fr;gap:.75rem}.option-card{padding:.9rem 1.1rem}.option-label{font-size:.9rem}.cards-layout-grid{grid-template-columns:1fr;gap:.85rem}.visual-selection-card{gap:.85rem;padding:1rem}.card-icon-container{border-radius:var(--radius-sm);width:2.75rem;height:2.75rem}.card-details h4{font-size:.95rem}.card-details p{font-size:.75rem}.form-grid{gap:1rem;margin-bottom:2rem}.step-header{margin-bottom:1.5rem}.step-header h2{font-size:1.45rem}.step-header p{font-size:.9rem}.navigation-bar{padding-top:1.25rem}.btn{padding:.75rem 1.2rem;font-size:.875rem}}@media (hover:hover){.option-card:hover{border-color:var(--border-hover);background:#ffffff0a}.visual-selection-card:hover{border-color:var(--border-hover);background:#ffffff08;transform:translateY(-2px)}.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 4px 20px #7c3aed73}.btn-secondary:hover:not(:disabled){color:var(--text-primary);border-color:var(--border-hover);background:#ffffff0d}}@media (width<=768px){.text-input,.select-input,textarea.text-input,input[type=text],input[type=email],input[type=tel],input[type=number],select{font-size:16px!important}}@media (width<=580px){.visual-selection-card{align-items:flex-start}.visualizer-specs.show-mobile{margin-bottom:1.5rem}.btn{min-height:48px;padding:.75rem 1.25rem}}