.belka-thickness-option{padding:1.25rem;border:2px solid #e5e7eb;border-radius:.75rem;background:#fff;cursor:pointer;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease;text-align:center;position:relative;overflow:hidden}.belka-thickness-option::before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(217,119,6,.1),transparent);transition:left .5s ease}.belka-thickness-option:hover{border-color:var(--belka-primary);transform:translateY(-2px);box-shadow:0 8px 20px -5px rgba(217,119,6,.3)}.belka-thickness-option:hover::before{left:100%}.belka-thickness-option[aria-pressed=true]{border-color:var(--belka-primary);background:linear-gradient(135deg,rgba(217,119,6,.1) 0%,rgba(249,115,22,.05) 100%);box-shadow:0 8px 20px -5px rgba(217,119,6,.3)}.belka-thickness-mm{font-weight:700;font-size:1.125rem;color:var(--belka-primary);margin-bottom:.35rem}.belka-thickness-title{font-size:.875rem;font-weight:500;color:var(--belka-ink);line-height:1.3}