:root{--primary: #517BBD;--ink: #231F20;--paper: #FAFAF7;--rule: #E5E1D8;--mute: #6b6b6b;--accent: #F3B317;--green: #239D57}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Open Sans,system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.5;min-height:100vh}.shell{max-width:880px;margin:0 auto;padding:56px 32px 96px}header.brand{display:flex;align-items:center;gap:14px;padding-bottom:32px;border-bottom:1px solid var(--rule);margin-bottom:48px}header.brand img{width:36px;height:36px}header.brand .name{font-weight:800;font-size:14px;letter-spacing:.18em;text-transform:uppercase}header.brand .doc{margin-left:auto;font-size:13px;color:var(--mute);font-variant-numeric:tabular-nums}header.brand .who{font-size:12px;color:var(--mute);margin-left:16px}.hero{margin-bottom:56px}.hero .eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--primary);font-weight:600}.hero h1{font-family:"Source Serif 4",Georgia,serif;font-size:48px;font-weight:500;line-height:1.05;margin:14px 0 20px;letter-spacing:-.01em;text-wrap:pretty}.hero p{font-size:17px;color:var(--mute);max-width:620px;margin:0;line-height:1.55}form{display:block}fieldset{border:none;padding:0;margin:0 0 48px}legend{font-size:11px;letter-spacing:.22em;text-transform:uppercase;font-weight:700;color:var(--ink);padding:0 0 8px;border-bottom:2px solid var(--ink);margin-bottom:24px;width:100%;display:flex;justify-content:space-between;align-items:baseline}legend .step{font-family:"Source Serif 4",serif;font-style:italic;font-size:13px;letter-spacing:0;text-transform:none;color:var(--mute);font-weight:400}.field{margin-bottom:24px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}label{display:block;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--ink);margin-bottom:8px}label .required{color:var(--primary);margin-left:2px}label .hint{font-weight:400;color:var(--mute);margin-left:8px;font-size:11px}input[type=text],textarea,select{width:100%;font:inherit;font-size:15px;background:#fff;border:1px solid var(--rule);padding:12px 14px;border-radius:6px;color:var(--ink);transition:border-color .12s,box-shadow .12s}textarea{min-height:84px;resize:vertical;line-height:1.45;font-family:inherit}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #517bbd26}.seg{display:flex;gap:0;border:1px solid var(--rule);border-radius:6px;overflow:hidden;background:#fff}.seg .seg-opt{flex:1;margin:0;padding:12px 16px;cursor:pointer;text-align:center;font-size:14px;font-weight:500;border-right:1px solid var(--rule);transition:background .12s,color .12s;background:#fff;color:var(--ink)}.seg .seg-opt:last-child{border-right:none}.seg .seg-opt.active{background:var(--primary);color:#fff;font-weight:600}.helper{font-size:12px;color:var(--mute);margin-top:6px;line-height:1.4}.setup-row{display:flex;gap:8px;align-items:stretch}.setup-row input{flex:1}.setup-row button{background:#fff;border:1px solid var(--rule);padding:0 16px;font:inherit;font-size:13px;font-weight:500;cursor:pointer;border-radius:6px;color:var(--ink)}.setup-row button:hover{border-color:var(--primary);color:var(--primary)}.frozen{background:#fff;border:1px solid var(--rule);border-left:3px solid var(--green);padding:18px 22px;border-radius:0 6px 6px 0;margin:0 0 48px}.frozen .h{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--green);font-weight:700;margin-bottom:8px}.frozen p{margin:0 0 6px;font-size:14px;line-height:1.5;color:var(--mute)}.frozen ul{margin:8px 0 0;padding-left:18px;font-size:13px;color:var(--mute)}.frozen li{margin:2px 0}.actions{position:sticky;bottom:16px;margin-top:32px;background:var(--paper);padding:16px 0;display:flex;gap:12px;align-items:center;border-top:1px solid var(--rule)}.actions .summary{font-size:13px;color:var(--mute);margin-right:auto;line-height:1.4}.actions .summary b{color:var(--ink);font-weight:600}button.btn{font:inherit;font-weight:600;font-size:14px;padding:12px 22px;border-radius:6px;cursor:pointer;border:1px solid var(--rule);background:#fff;color:var(--ink);transition:all .12s}button.btn:hover{border-color:var(--ink)}button.btn:disabled{opacity:.4;cursor:not-allowed}button.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}button.btn-primary:hover:not(:disabled){background:var(--primary);border-color:var(--primary)}.toast{position:fixed;top:24px;right:24px;background:var(--ink);color:#fff;padding:12px 20px;border-radius:6px;font-size:14px;box-shadow:0 8px 32px #00000026;z-index:100}.toast.error{background:#c0392b}@media (max-width: 720px){.field-row{grid-template-columns:1fr}.hero h1{font-size:36px}.actions{flex-wrap:wrap}}