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3rem}.hero{display:grid;gap:1.5rem;margin-bottom:1.5rem}.brand{display:grid;gap:.35rem;width:fit-content}.brand-mark{font-size:clamp(2.4rem,6vw,3.4rem);font-weight:700;letter-spacing:-.04em;line-height:1;color:var(--brand)}.brand-sub{font-size:.92rem;font-weight:500;letter-spacing:.02em;color:var(--text-muted)}.hero h1{margin:0;font-size:clamp(2rem,4vw,2.8rem);line-height:1.1;letter-spacing:-.03em}.hero p{margin:0;max-width:58ch;color:var(--text-muted);font-size:1.05rem}.layout{display:grid;gap:1.25rem}@media(min-width:860px){.layout{grid-template-columns:1.2fr .8fr;align-items:start}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem}.card h2{margin:0 0 .35rem;font-size:1.15rem}.card .subtitle{margin:0 0 1rem;color:var(--text-muted);font-size:.95rem}.tabs{display:flex;gap:.5rem;margin-bottom:1rem}.tab{border:1px solid 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#00000059}.scanner-hint{position:absolute;left:50%;bottom:1rem;transform:translate(-50%);padding:.45rem .8rem;border-radius:999px;background:#0000008c;color:#fff;font-size:.85rem;white-space:nowrap}.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1rem}.btn{border:none;border-radius:12px;padding:.75rem 1rem;cursor:pointer;transition:transform .15s ease,background .15s ease}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-strong)}.btn-secondary{background:var(--surface-muted);color:var(--text);border:1px solid var(--border)}.status{margin-top:.85rem;padding:.8rem 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var(--border)}.step-index.done{background:var(--success);border-color:var(--success);color:#fff}.step-copy strong{display:block;margin-bottom:.15rem}.step-copy span{color:var(--text-muted);font-size:.92rem}.upload-panel{display:grid;gap:.85rem}.file-input{display:grid;gap:.65rem;padding:1rem;border:1px dashed var(--border);border-radius:14px;background:var(--surface-muted)}.file-input input[type=file]{width:100%}.hidden{display:none!important}.mobile-banner{margin-bottom:1rem;padding:.9rem 1rem;border-radius:14px;border:1px solid rgba(26,122,140,.25);background:#1a7a8c14;color:var(--text);font-size:.92rem}.mobile-banner strong{display:block;margin-bottom:.35rem}.mobile-banner p{margin:0;color:var(--text-muted)}@media(max-width:768px){.shell{width:min(960px,calc(100% - 1rem));padding:1rem 0 2rem}.hero h1{font-size:1.85rem}.layout{grid-template-columns:1fr}.card{padding:1rem}.btn,.tab{min-height:44px}.actions{display:grid;grid-template-columns:1fr 1fr}.actions .btn{width:100%}.scanner-viewport{aspect-ratio:3 / 4}.kit-id .value{font-size:1.45rem;word-break:break-all}}