:root{--brand-white: #f4f4f4;--brand-black: #000000;--brand-yellow: #ead956;--brand-green: #356227;--brand-blue: #3458ac;--brand-red: #b12e2a;--brand-green-light: #dce8d9;--black: var(--brand-black);--black-soft: var(--brand-black);--bg: var(--brand-white);--surface: #ffffff;--text: var(--brand-black);--text-muted: #4a4a4a;--border: #d4d4d4;--border-strong: var(--brand-black);--accent: var(--brand-black);--accent-hover: #333333;--accent-light: #ebebeb;--error: var(--brand-red);--error-bg: #fdf0ef;--success: var(--brand-green);--success-bg: var(--brand-green-light);--radius: 2px;--shadow: 0 2px 0 rgba(0, 0, 0, .06);--font: "Helvetica Neue", Helvetica, Arial, sans-serif}*,*:before,*:after{box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.45;min-height:100vh}a{color:var(--black);text-underline-offset:2px}a:hover{color:var(--accent-hover)}.container{max-width:640px;margin:0 auto;padding:0 1.25rem}.site-header{background:var(--black);color:var(--brand-white);padding:.875rem 0;border-bottom:3px solid var(--black-soft)}.header-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem}.brand{display:flex;align-items:center;gap:.75rem;min-width:0}.brand-logo-link{display:block;flex-shrink:0;line-height:0}.brand-logo-link:hover{opacity:.85}.brand-logo{display:block;height:28px;width:auto}.brand-text{min-width:0}.brand-name{font-weight:700;font-size:1.0625rem;letter-spacing:-.02em;display:block;color:var(--brand-white);line-height:1.2}.brand-sub{font-size:.75rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:#ffffffb8;display:block;margin-top:.125rem}.main-content{padding:1.75rem 1.25rem 3rem}.site-footer{padding:1.5rem 0 2rem;text-align:center;font-size:.8125rem;color:var(--text-muted);letter-spacing:.02em}.site-footer a{color:var(--text);font-weight:500}.card{background:var(--surface);border:2px solid var(--black);border-radius:var(--radius);padding:0 0 1.75rem;box-shadow:var(--shadow);overflow:hidden}.card h1{font-size:1.125rem;font-weight:700;letter-spacing:-.02em;margin:0 0 1rem;padding:.875rem 1.25rem;background:var(--black);color:var(--brand-white)}.card h2{font-size:1rem;font-weight:700;margin:0 0 1rem;padding:0 1.25rem}.card>p,.card>form,.card>div:not(.confirmation-icon):not(.alert),.card>.btn-row,.card>.turnstile-container,.card>.unit-grid,.card>.review-section,.card>.request-number{padding-left:1.25rem;padding-right:1.25rem}.card>p{margin:0 0 1.25rem;color:var(--text-muted);font-size:.9375rem}.card>.alert{margin-left:1.25rem;margin-right:1.25rem}.card>.confirmation-icon{margin:1.25rem 1.25rem 1rem}.card>p.helper{padding-left:1.25rem;padding-right:1.25rem}.hidden{display:none!important}.step-nav{margin-bottom:1.25rem}.step-label{margin:0 0 .5rem;font-size:.6875rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.step-track{display:flex;gap:.25rem;list-style:none;margin:0;padding:0}.step-segment{flex:1;height:4px;background:var(--border);border-radius:var(--radius);transition:background .2s ease}.step-segment.filled{background:var(--black)}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-weight:700;font-size:.8125rem;letter-spacing:.03em;text-transform:uppercase;margin-bottom:.375rem}.form-group .helper{font-size:.8125rem;color:var(--text-muted);margin-top:.25rem}input[type=text],input[type=email],input[type=tel],select,textarea{width:100%;padding:.625rem .75rem;font:inherit;font-size:.9375rem;border:2px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);color:var(--text)}input:focus,select:focus,textarea:focus{outline:2px solid var(--black);outline-offset:1px}textarea{min-height:120px;resize:vertical}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.25rem;font:inherit;font-size:.875rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border:2px solid var(--black);border-radius:var(--radius);cursor:pointer;transition:background .12s,color .12s}.btn-primary{background:var(--black);color:var(--brand-white)}.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn-secondary{background:var(--surface);color:var(--black)}.btn-secondary:hover:not(:disabled){background:var(--bg)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-row{display:flex;gap:.75rem;margin-top:1.5rem;flex-wrap:wrap}.alert{padding:.875rem 1rem;border-radius:var(--radius);font-size:.875rem;margin-bottom:1.25rem;border:2px solid}.alert-error{background:var(--error-bg);color:var(--error);border-color:var(--error)}.alert-success{background:var(--success-bg);color:var(--text);border-color:var(--black)}.unit-grid{display:flex;flex-direction:column;gap:.5rem}.unit-card{display:grid;grid-template-columns:56px minmax(0,1fr);column-gap:.875rem;align-items:start;padding:.75rem;border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:border-color .12s,background .12s;-webkit-user-select:none;user-select:none;background:var(--surface)}.unit-card:hover{border-color:var(--black)}.unit-card:focus-visible{outline:2px solid var(--black);outline-offset:2px}.unit-card.selected{border-color:var(--black);background:var(--accent-light);box-shadow:inset 0 0 0 1px var(--black)}.unit-card-thumb{width:56px;height:56px;border-radius:var(--radius);object-fit:cover;align-self:start;background:var(--bg);border:2px solid var(--border)}.unit-card-thumb--empty{background:var(--bg)}.unit-card-content{min-width:0;align-self:start}.unit-card-title{font-weight:700;font-size:.9375rem;margin:0 0 .25rem;line-height:1.3;letter-spacing:-.01em}.unit-card-subtitle{font-size:.8125rem;color:var(--text-muted);margin:0 0 .25rem;line-height:1.2}.warranty-pill{display:inline-block;font-size:.6875rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--brand-green);background:var(--brand-green-light);border:2px solid var(--brand-green);border-radius:var(--radius);padding:.125rem .4375rem;line-height:1.4}.unit-section{margin-bottom:1.75rem;background:transparent}.unit-section:last-child{margin-bottom:0}.unit-section-title{font-size:.875rem;font-weight:700;letter-spacing:-.01em;margin:0 0 1rem;padding:.625rem 1rem;background:var(--black);color:var(--brand-white)}.unit-section--yellow .unit-section-title{background:var(--brand-yellow);color:var(--brand-black)}.unit-section--green .unit-section-title{background:var(--brand-green);color:var(--brand-white)}.unit-section--blue .unit-section-title{background:var(--brand-blue);color:var(--brand-white)}.unit-section--red .unit-section-title{background:var(--brand-red);color:var(--brand-white)}.unit-section .form-group,.unit-section .lot-code-block,.unit-section .upload-list{padding-left:0;padding-right:0}.unit-section .form-group:first-of-type{margin-top:0}.unit-section .form-group:last-child{margin-bottom:0}.lot-code-block{margin-bottom:.25rem}.lot-code-field{margin-bottom:1rem}.lot-code-field label{margin-bottom:.25rem}.lot-code-helper{margin:0 0 .5rem}.lot-code-ref-panel{margin:.75rem 0 0;padding:.875rem;width:100%;background:var(--bg);border:2px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;align-items:center}.lot-code-ref-panel img{display:block;width:100%;max-width:420px;height:auto;border-radius:var(--radius)}.lot-code-ref-panel figcaption{margin-top:.5rem;font-size:.75rem;color:var(--text-muted);text-align:center;line-height:1.3;letter-spacing:.02em}.upload-zone{border:2px dashed var(--black);border-radius:var(--radius);padding:1.5rem;text-align:center;cursor:pointer;transition:background .12s;background:var(--surface)}.upload-zone:hover,.upload-zone.dragover{border-color:var(--black);background:var(--accent-light)}.upload-zone input{display:none}.upload-list{list-style:none;margin:.75rem 0 0;padding:0}.upload-list li{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;font-size:.875rem;border-bottom:1px solid var(--border)}.upload-list li:last-child{border-bottom:none}.upload-status{font-size:.75rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted)}.upload-status.error{color:var(--error)}.upload-status.done{color:var(--black)}.review-section{margin-bottom:1.25rem}.review-section h3{font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin:0 0 .375rem}.review-section p,.review-section-body{margin:0;color:var(--text)}.review-section-units .review-item:first-child{padding-top:0}.review-item{padding:.625rem 0;border-bottom:2px solid var(--border);font-size:.9375rem;line-height:1.5}.review-media-grid{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.625rem}.review-media-thumb{width:64px;height:64px;object-fit:cover;border-radius:var(--radius);border:2px solid var(--black);background:var(--bg)}.review-item:last-child{border-bottom:none}.turnstile-container{margin:1rem 0}.confirmation-icon{width:2.75rem;height:2.75rem;background:var(--black);color:var(--brand-white);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.375rem;font-weight:700;margin-bottom:1rem}.request-number{font-family:Helvetica Neue,Helvetica,monospace;font-size:.9375rem;font-weight:700;letter-spacing:.04em;background:var(--black);color:var(--brand-white);padding:.375rem .625rem;border-radius:var(--radius);display:inline-block}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media(max-width:480px){.form-row{grid-template-columns:1fr}}
