:root{--ink:#17231d;--forest:#153e32;--forest2:#245b49;--mint:#dcebe4;--cream:#f7f4eb;--paper:#fffef9;--gold:#c79743;--red:#9b3d36;--muted:#6b756f;--line:#d8ded9;--shadow:0 22px 60px rgba(20,45,36,.12)}
*{box-sizing:border-box}
html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--cream)}
body{margin:0;min-height:100vh;background:radial-gradient(circle at 85% 5%,rgba(199,151,67,.12),transparent 28%),var(--cream)}
button,input,select{font:inherit}
button,a{transition:.18s ease}
.topbar{height:72px;padding:0 clamp(20px,5vw,72px);display:flex;align-items:center;gap:20px;border-bottom:1px solid rgba(21,62,50,.15);background:rgba(247,244,235,.88);backdrop-filter:blur(12px);position:sticky;top:0;z-index:20}
.brand{font-family:Georgia,serif;font-size:22px;letter-spacing:.08em;color:var(--forest);text-decoration:none;font-weight:700}
.badge{color:var(--muted);font-size:13px;border-left:1px solid var(--line);padding-left:20px}
.landing{max-width:1180px;margin:auto;padding:clamp(50px,8vw,110px) 24px}
.hero{max-width:850px}
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--forest2);font-weight:800;margin:0 0 12px}
h1,h2{font-family:Georgia,serif;color:var(--forest);font-weight:500;margin:.1em 0 .5em}
h1{font-size:clamp(38px,6vw,72px);line-height:1.02}
h2{font-size:clamp(27px,3vw,40px)}
.lead{font-size:clamp(18px,2vw,24px);line-height:1.55;color:#45534c;max-width:790px}
.actions{display:flex;gap:12px;align-items:center;margin:24px 0}.actions.wrap{flex-wrap:wrap}
.button{border:1px solid var(--forest);border-radius:999px;padding:12px 19px;text-decoration:none;cursor:pointer;background:transparent;color:var(--forest);font-weight:750;display:inline-flex;align-items:center;justify-content:center}
.button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(21,62,50,.1)}
.button:disabled{opacity:.45;cursor:not-allowed;transform:none}
.button.primary{background:var(--forest);color:white}.button.ghost{background:var(--paper)}.button.danger{border-color:var(--red);color:var(--red);background:#fff8f6}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:72px 0 28px}
.trust-grid article{background:var(--paper);border:1px solid var(--line);padding:22px;border-radius:18px;min-height:150px;box-shadow:0 10px 35px rgba(20,45,36,.05)}
.trust-grid strong{font-family:Georgia,serif;font-size:21px;color:var(--forest);display:block;margin-bottom:12px}
.trust-grid span{color:var(--muted);font-size:14px;line-height:1.55}
.legal-note{background:var(--mint);border-left:4px solid var(--forest2);padding:18px 20px;border-radius:3px 14px 14px 3px;line-height:1.5;color:#2d4a3f}
.app-shell,.signer-shell{max-width:1180px;margin:auto;padding:34px 24px 80px}.signer-shell{max-width:800px}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:clamp(22px,4vw,38px);box-shadow:var(--shadow);margin-bottom:22px}
.credentials{display:grid;grid-template-columns:1fr minmax(250px,360px) auto;align-items:end;gap:18px}
.credentials h1{font-size:38px}.credentials p{margin-bottom:0;color:var(--muted)}
.workspace{display:grid;grid-template-columns:230px 1fr;gap:22px}
.steps{display:flex;flex-direction:column;gap:8px;position:sticky;top:96px;height:max-content}
.steps button{border:0;text-align:left;background:transparent;padding:13px 15px;border-radius:12px;color:var(--muted);cursor:pointer}
.steps button.active{background:var(--forest);color:white}
.view{display:none}.view.active{display:block}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:750;color:#435149;margin:12px 0}
input,select{border:1px solid #cbd4ce;border-radius:11px;padding:12px 13px;background:white;color:var(--ink);outline:none}
input:focus,select:focus{border-color:var(--forest2);box-shadow:0 0 0 3px rgba(36,91,73,.12)}
.output{white-space:pre-wrap;overflow-wrap:anywhere;background:#101b16;color:#cfe4d9;border-radius:14px;padding:16px;min-height:74px;max-height:280px;overflow:auto;margin-top:20px;font-size:12px}.output:empty{display:none}.output.tall{max-height:520px}
.section-heading{display:flex;align-items:start;justify-content:space-between;gap:20px}
.status{font-size:13px}.muted{color:var(--muted)}.hidden{display:none!important}
.facts{display:grid;gap:12px}.facts div{padding:14px;background:#f6f7f3;border-radius:12px}.facts dt{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.facts dd{margin:7px 0 0;font-family:ui-monospace,monospace;font-size:12px;overflow-wrap:anywhere}
blockquote{margin:22px 0;padding:20px;border-left:4px solid var(--gold);background:#fbf7ec;line-height:1.7}
.check{flex-direction:row;align-items:flex-start;font-size:15px;font-weight:600}.check input{margin-top:4px}
.error{background:#fff0ed;border:1px solid #e6b2ac;color:#742c26;padding:15px;border-radius:12px;margin-top:16px}
.toast{position:fixed;right:24px;bottom:24px;background:var(--forest);color:white;padding:13px 18px;border-radius:12px;box-shadow:var(--shadow);opacity:0;transform:translateY(10px);pointer-events:none}.toast.show{opacity:1;transform:none}
@media(max-width:900px){.trust-grid{grid-template-columns:repeat(2,1fr)}.credentials{grid-template-columns:1fr}.workspace{grid-template-columns:1fr}.steps{position:static;flex-direction:row;overflow:auto}.steps button{white-space:nowrap}}
@media(max-width:620px){.trust-grid,.form-grid{grid-template-columns:1fr}.topbar{height:62px}.badge{display:none}.panel{border-radius:15px}.actions{align-items:stretch;flex-direction:column}.button{width:100%}}