.demo-badge{font:650 .68rem ui-monospace,monospace;letter-spacing:.08em;color:var(--muted);border:1px solid var(--line);padding:9px 11px}.validation-shell{max-width:980px;margin:0 auto;padding:70px 32px 120px}.demo-intro{padding-bottom:64px;border-bottom:1px solid var(--line)}.demo-intro h1{font-size:clamp(3rem,7vw,5.7rem);line-height:.95;letter-spacing:-.055em;margin:24px 0}.demo-intro>p:last-child{max-width:760px;color:var(--muted);font-size:1.04rem}.demo-step{padding:58px 0;border-bottom:1px solid var(--line)}.demo-step h2{font-size:clamp(2rem,4vw,3.3rem);line-height:1.02;letter-spacing:-.04em;max-width:850px}.step-number,.mini-heading{font:650 .7rem ui-monospace,monospace;letter-spacing:.1em;color:var(--brand-signal)}.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.choice-grid label{margin:0;display:block;cursor:pointer}.choice-grid input{position:absolute;opacity:0;width:1px;height:1px}.choice-grid span{display:flex;align-items:center;min-height:88px;border:1px solid #3b4543;background:var(--surface);padding:18px;color:var(--muted);font-size:.9rem}.choice-grid input:checked+span{border-color:var(--brand-signal);background:#111a21;color:var(--ink)}.choice-grid input:focus-visible+span{outline:3px solid var(--brand-signal);outline-offset:2px}.choice-grid.compact span{min-height:58px}.choice-grid.five{grid-template-columns:repeat(5,1fr)}#workflow-form,.clarification-form{max-width:760px}.privacy-hint,.demo-truth,.cta-panel>p,.technical-note{color:var(--muted);font-size:.84rem}.draft-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);margin:30px 0}.draft-grid>div{padding:20px;border-right:1px solid var(--line)}.draft-grid>div:last-child{border-right:0}.draft-grid dt{font:650 .68rem ui-monospace,monospace;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.draft-grid dd{margin:0}.record-policy{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contract-panel blockquote{margin:30px 0;padding:28px;border:1px solid var(--brand-signal);background:var(--surface2);font-size:1.25rem;line-height:1.65}.state-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:24px}.state-grid article{border:1px solid var(--line);padding:18px;background:var(--surface)}.state-grid strong{font:700 .78rem ui-monospace,monospace;color:var(--ink)}.state-grid p{font-size:.8rem;color:var(--muted);margin:10px 0 0}.cta-panel{border-bottom:0}.technical-note{margin-top:16px;border-left:2px solid var(--brand-signal);padding:10px 12px}.demo-step[hidden]{display:none!important}@media(max-width:800px){.validation-shell{padding:55px 18px 90px}.choice-grid,.draft-grid,.state-grid{grid-template-columns:1fr}.choice-grid.five{grid-template-columns:1fr 1fr}.draft-grid>div{border-right:0;border-bottom:1px solid var(--line)}.draft-grid>div:last-child{border-bottom:0}.record-policy{grid-template-columns:1fr}.demo-badge{display:none}}@media(max-width:420px){.choice-grid.five{grid-template-columns:1fr}}