.demo-page-hero .hero-grid{align-items:stretch}
.demo-page-hero .panel-strong{display:flex;flex-direction:column;justify-content:space-between}
.demo-page-hero .metric-grid{margin-top:18px;grid-template-columns:minmax(150px,1.35fr) minmax(110px,1fr) minmax(110px,1fr)}
.demo-page-hero h1{overflow-wrap:anywhere}
.demo-page-hero .metric strong{font-size:12px;line-height:1.35;word-break:break-word}
.demo-page-section .screen{max-height:420px}
.demo-page-summary{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.74fr);gap:14px;align-items:start}
.demo-page-checks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:14px}
.demo-page-check{border:1px solid var(--rule);border-radius:10px;background:var(--surface);padding:16px}
.demo-page-check span{display:block;color:var(--accent);font:900 10px 'JetBrains Mono',monospace;letter-spacing:.12em;text-transform:uppercase;margin-bottom:7px}
.demo-page-check strong{display:block;color:var(--ink);font-size:14px;margin-bottom:6px}
.demo-page-check p{color:var(--soft);font-size:12.5px;line-height:1.55}
.demo-page-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.demo-page-label{display:block;margin-top:16px}
.demo-page-select{width:100%;background:#0d1117;border:1px solid var(--rule);border-radius:7px;color:var(--ink);padding:12px 14px;font:800 13px 'Inter',sans-serif;outline:none}
.demo-page-select:focus{border-color:var(--accent)}
.fixture-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
.fixture-card{border:1px solid var(--rule);border-radius:10px;background:rgba(255,255,255,.02);padding:16px;text-align:left;cursor:pointer;color:var(--soft);min-height:148px;display:flex;flex-direction:column;gap:8px}
.fixture-card span{color:var(--accent);font:900 10px 'JetBrains Mono',monospace;letter-spacing:.12em;text-transform:uppercase}
.fixture-card strong{color:var(--ink);font-size:16px;line-height:1.25;overflow-wrap:anywhere}
.fixture-card small{font-size:12.5px;line-height:1.55;color:var(--soft)}
.fixture-card:hover,.fixture-card.active{border-color:rgba(46,160,67,.5);background:rgba(46,160,67,.08)}
.evidence-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.evidence-strip span{border:1px solid var(--rule);border-radius:999px;padding:7px 10px;color:var(--soft);font:800 11px 'Inter',sans-serif;background:#0d1117}
.proof-workbench{display:grid;grid-template-columns:minmax(260px,.76fr) minmax(0,1fr);gap:14px;align-items:stretch}
.proof-step-list{display:grid;gap:8px}
.proof-step{border:1px solid var(--rule);border-radius:10px;background:rgba(255,255,255,.02);color:var(--soft);padding:13px;text-align:left;cursor:pointer;display:grid;grid-template-columns:38px minmax(0,1fr);gap:4px 10px;align-items:start}
.proof-step span{grid-row:1/3;width:30px;height:30px;border-radius:50%;border:1px solid rgba(247,147,26,.45);display:grid;place-items:center;color:var(--accent);font:900 10px 'JetBrains Mono',monospace}
.proof-step strong{color:var(--ink);font-size:14px;line-height:1.25;overflow-wrap:anywhere}
.proof-step small{font-size:12px;line-height:1.45;color:var(--soft)}
.proof-step:hover,.proof-step.active{border-color:rgba(247,147,26,.5);background:rgba(247,147,26,.07)}
.demo-page-runner{border-top:1px solid var(--rule);background:linear-gradient(180deg,rgba(46,160,67,.045),rgba(247,147,26,.025) 46%,#0d1117);padding:44px 24px}
.demo-page-runner .wrap{max-width:1180px}
.runner-grid{display:grid;grid-template-columns:260px minmax(0,1fr) minmax(280px,.88fr);gap:12px;margin-top:18px}
.runner-tabs{display:grid;gap:7px}
.runner-tab{border:1px solid var(--rule);border-radius:8px;background:rgba(255,255,255,.02);color:var(--soft);padding:10px;text-align:left;cursor:pointer;font:800 12px 'Inter',sans-serif}
.runner-tab span{display:block;color:var(--accent);font:900 10px 'JetBrains Mono',monospace;margin-bottom:4px}
.runner-tab:hover,.runner-tab.active{border-color:rgba(46,160,67,.45);background:rgba(46,160,67,.08);color:var(--ink)}
.runner-card{border:1px solid var(--rule);border-radius:10px;background:#0d1117;padding:16px;min-width:0}
.runner-card h3{font-size:16px;color:var(--ink);margin-bottom:8px}
.runner-card p{font-size:12.5px;color:var(--soft);line-height:1.65;margin-bottom:12px}
.runner-screen{background:#05080d;border:1px solid var(--rule);border-radius:9px;color:#9ff5b0;font:600 11px/1.65 'JetBrains Mono',monospace;white-space:pre-wrap;max-height:320px;overflow:auto;padding:13px;margin:0}
@media(max-width:940px){.demo-page-summary,.runner-grid,.proof-workbench{grid-template-columns:1fr}.demo-page-checks{grid-template-columns:1fr 1fr}.fixture-grid{grid-template-columns:1fr}}
@media(max-width:620px){.demo-page-hero .metric-grid{grid-template-columns:1fr}.demo-page-runner{padding:34px 18px}.demo-page-checks{grid-template-columns:1fr}.demo-page-actions .btn,.fixture-card{width:100%}.proof-step{grid-template-columns:34px minmax(0,1fr)}}