:root{--ink:#171713;--paper:#f4f0e8;--surface:#fffdf8;--muted:#716f68;--line:#d9d3c7;--accent:#b7f34a;--accent-dark:#94d227;--blue:#335cff;--danger:#bd382e;--warning:#9a6200;--shadow:0 22px 70px rgba(37,34,26,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.5}button,input,textarea,select{font:inherit}button,a{touch-action:manipulation}.skip-link{position:fixed;left:16px;top:-100px;z-index:100;background:var(--ink);color:#fff;padding:10px 14px}.skip-link:focus{top:16px}.site-header{max-width:1320px;margin:auto;padding:24px 32px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand img{display:block;width:min(360px,47vw);height:auto}.site-header nav{display:flex;gap:25px}.site-header nav a{font-size:13px;color:var(--ink);text-decoration:none;border-bottom:1px solid}.hero{max-width:1320px;margin:52px auto 46px;padding:0 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minmax(380px,.85fr);gap:28px;padding:36px}.editor{min-width:0}.preview{background:var(--ink);color:#fff;border-radius:24px;padding:28px;align-self:start;position:sticky;top:20px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head>div{display:flex;align-items:center;gap:12px}.section-head span{font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.08em}.section-head h2{font-size:22px;margin:0}.section-head.light span{color:#aaa89f}.text-button{border:0;background:transparent;text-decoration:underline;text-underline-offset:4px;color:var(--muted);cursor:pointer}.field,.color-field{display:flex;flex-direction:column;gap:7px}.field>span,.color-field>span:first-child{font-size:13px;font-weight:700}.field b{color:var(--danger)}input,textarea,select{width:100%;border:1px solid #cfc8bc;border-radius:12px;background:#fff;padding:13px 14px;color:var(--ink);outline:none}textarea{resize:vertical}input:focus,textarea:focus,select:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(23,23,19,.08)}input[aria-invalid=true],textarea[aria-invalid=true]{border-color:var(--danger)}.field small{font-size:12px;color:var(--muted);display:flex;justify-content:space-between}.fields-grid,.design-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 18px}.wide{grid-column:1/-1}.check{display:flex;gap:10px;align-items:center;font-size:14px}.check input{width:18px;height:18px;accent-color:var(--ink)}.divider{height:1px;background:var(--line);margin:32px 0}.color-control{height:49px;border:1px solid #cfc8bc;border-radius:12px;background:#fff;display:flex;align-items:center;padding:7px 12px;gap:12px}.color-control input{width:34px;height:34px;border:0;border-radius:7px;padding:0;background:none}.color-control output{font:13px ui-monospace,monospace}.notice{margin-top:20px;border-radius:12px;padding:11px 13px;font-size:13px;background:#f3f8e9;color:#386014}.notice.warning{background:#fff5dd;color:var(--warning)}input[type=range]{padding:0;border:0;box-shadow:none;accent-color:var(--ink)}.status{font-size:11px;border:1px solid #474741;border-radius:999px;padding:6px 9px;color:#c9c7bf;white-space:nowrap}.status.ready{background:var(--accent);border-color:var(--accent);color:#182003}.qr-frame{aspect-ratio:1;max-width:420px;margin:auto;background:#fff;border-radius:20px;display:grid;place-items:center;padding:26px;overflow:hidden}.qr-frame>span{color:#77746d;text-align:center;font-size:14px}.qr-frame svg{width:100%;height:100%;display:block}.payload{margin-top:18px;background:#282823;border:1px solid #3b3b35;border-radius:12px;padding:13px;min-height:52px;max-height:110px;overflow:auto;color:#d5d3ca;word-break:break-all;font:12px/1.55 ui-monospace,monospace}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.primary,.secondary,.copy-button{border-radius:12px;padding:13px 16px;font-weight:700;cursor:pointer}.primary{border:0;background:var(--accent);color:#162000}.primary:hover{background:var(--accent-dark)}.secondary,.copy-button{border:1px solid #5c5c54;background:transparent;color:#fff}.copy-button{width:100%;margin-top:10px}.primary:disabled,.secondary:disabled,.copy-button:disabled{opacity:.38;cursor:not-allowed}.scan-tip{font-size:12px;color:#9c9a91;margin:17px 0 0;text-align:center}.use-cases{max-width:1320px;margin:110px auto;padding:0 32px;display:grid;grid-template-columns:.72fr 1.28fr;gap:75px}.use-cases h2{font-size:clamp(35px,4.3vw,60px);line-height:1;letter-spacing:-.045em;margin:0}.cards{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:var(--line);gap:1px}.cards article{background:var(--paper);padding:24px}.cards b{font:700 12px ui-monospace,monospace;color:var(--blue)}.cards h3{font-size:17px;margin:40px 0 8px}.cards p{font-size:13px;color:var(--muted);margin:0}.cta{background:var(--blue);color:#fff;padding:78px max(32px,calc((100vw - 1256px)/2))}.cta h2{font-size:clamp(38px,5vw,72px);letter-spacing:-.05em;line-height:1;margin:0;max-width:880px}.cta a{display:inline-flex;gap:22px;align-items:center;background:#fff;color:var(--blue);border-radius:12px;padding:14px 18px;font-weight:700;text-decoration:none;margin-top:28px}footer{max-width:1320px;margin:auto;padding:28px 32px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}footer a{color:inherit}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,30px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.25s;z-index:100}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:900px){.hero,.generator-grid,.use-cases{grid-template-columns:1fr}.hero{gap:22px;margin-top:30px}.preview{position:static}.use-cases{gap:35px}.cards{grid-template-columns:1fr}.generator{border-radius:22px}.site-header nav a:first-child{display:none}}
@media(max-width:620px){.site-header,.hero,.use-cases{padding-left:18px;padding-right:18px}.site-header nav a{font-size:0}.site-header nav span{font-size:20px}.hero h1{font-size:43px}.generator{border-radius:0;border-left:0;border-right:0}.generator-grid{padding:20px 16px}.fields-grid,.design-grid{grid-template-columns:1fr}.wide{grid-column:auto}.preview{padding:20px}.download-grid{grid-template-columns:1fr}.use-cases{margin:75px auto}.cta{padding:60px 20px}footer{padding:24px 20px;flex-direction:column}.section-head{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.toast{transition:none}}
.cookie-notice{position:fixed;z-index:110;left:24px;right:24px;bottom:24px;max-width:860px;margin:auto;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--ink);color:#fff;border:1px solid #3a3a34;border-radius:18px;box-shadow:0 18px 60px rgba(0,0,0,.28)}.cookie-notice[hidden]{display:none}.cookie-notice strong{display:block;margin-bottom:3px}.cookie-notice p{margin:0;color:#d4d2ca;font-size:13px;max-width:680px}.cookie-notice a{color:#fff;text-underline-offset:3px}.cookie-button{flex:0 0 auto;min-width:105px;border:0;border-radius:12px;padding:13px 17px;background:var(--accent);color:#172000;font-weight:700;cursor:pointer}
@media(max-width:620px){.cookie-notice{left:12px;right:12px;bottom:12px;align-items:stretch;flex-direction:column;gap:14px;padding:17px}.cookie-button{width:100%}}