:root{color-scheme:dark;--page:#0b1015;--surface:#151d25;--line:#303d48;--text:#f4f7fa;--muted:#b2bec9;--gold:#ffc247;--cyan:#79d6de}
*{box-sizing:border-box}
body{margin:0;background:var(--page);color:var(--text);font:15px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif;letter-spacing:0}
a{color:inherit;text-underline-offset:3px}
button,input{font:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}
.demo-header{max-width:1100px;margin:auto;padding:24px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}
.demo-brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:22px}
.demo-brand img{border-radius:8px;object-fit:cover}
.back-link{color:var(--muted);font-size:13px;text-decoration:none}
.back-link:hover{color:var(--text)}
.demo-access{max-width:650px;margin:44px auto 48px;padding:0 24px}
.eyebrow{margin:0 0 10px;font-size:11px;font-weight:700;color:var(--cyan)}
h1{margin:0;font-size:36px;line-height:1.2}
.intro{color:var(--muted);margin:12px 0 24px}
.system-picker{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin:0 0 26px;padding:6px;border:1px solid #27333d;border-radius:8px;background:#10171e}
.system-picker a{display:flex;align-items:center;justify-content:center;gap:9px;min-width:0;min-height:58px;padding:8px 10px;border:1px solid transparent;border-radius:5px;background:transparent;color:var(--muted);text-decoration:none;font-size:13px;font-weight:600;text-align:left;transition:background .16s ease,color .16s ease,border-color .16s ease}
.system-picker .system-icon{display:grid;place-items:center;flex:0 0 30px;width:30px;height:30px;border-radius:5px;background:#1d2933;color:#bdd0dd}
.system-picker svg{width:19px;height:19px}
.system-picker .system-label{line-height:1.35;overflow-wrap:normal}
.system-picker a:hover{background:#1b2731;color:var(--text);border-color:#425260}
.system-picker [aria-current],.system-picker [aria-current]:hover{background:var(--gold);color:#1b2025;border-color:#ffd479;box-shadow:0 2px 8px #0003}
.system-picker [aria-current] .system-icon{background:#191e2514;color:#25231a}
@media(prefers-reduced-motion:reduce){.system-picker a{transition:none}}
h2{font-size:20px;line-height:1.35;margin:0}
.system-description{color:var(--muted);margin:8px 0 12px;max-width:530px}
.demo-facts{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;padding:0;margin:0 0 22px;color:var(--muted);font-size:12px}
.demo-facts li{display:flex;align-items:center;gap:7px}
.demo-facts li::before{content:"";width:5px;height:5px;background:var(--cyan);border-radius:50%}
.email-label{display:block;font-size:13px;font-weight:600;margin-bottom:7px}
input[type=email]{display:block;width:100%;min-height:48px;padding:12px 14px;border:1px solid #4c5b67;background:#101820;color:var(--text);border-radius:6px}
input[type=email]::placeholder{color:#95a6b5}
.email-hint{font-size:12px;color:var(--muted);margin:6px 0 16px}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:12px;line-height:1.6;color:var(--muted);margin:12px 0}
.consent input{margin:3px 0 0;min-width:17px;width:17px;height:17px;accent-color:var(--gold);flex-shrink:0}
.consent a{color:var(--text)}
.optional{color:var(--muted);margin-left:5px}
.demo-submit{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding:12px 18px;min-height:48px;background:var(--gold);color:#171b20;border:1px solid var(--gold);border-radius:6px;font-weight:700;cursor:pointer}
.demo-submit:hover{background:#ffd279}
.demo-submit:disabled{cursor:default;opacity:.65}
.extension-note{text-align:center;font-size:12px;color:var(--muted);margin:9px 0 16px}
.demo-details{border-top:1px solid var(--line);padding-top:12px;font-size:12px;color:var(--muted)}
.demo-details summary{cursor:pointer;min-height:28px}
.demo-details p{margin-bottom:0}
.notice,.preview-notice{background:#16333b;border-left:3px solid var(--cyan);padding:12px 14px;margin:0 0 20px;font-size:13px}
.notice p{margin:4px 0}
.demo-preview{max-width:1100px;margin:0 auto;padding:28px 24px 36px;border-top:1px solid var(--line)}
.preview-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}
.preview-heading .eyebrow{margin-bottom:6px}
.preview-tag{font-size:12px;color:var(--muted)}
.system-screen{overflow:hidden;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.system-screen video,.system-screen img{display:block;width:100%;height:auto;aspect-ratio:1440/1000;object-fit:contain}
.demo-footer{max-width:1100px;margin:0 auto;padding:20px 24px 28px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
@media(max-width:600px){.demo-header{padding:16px}.demo-brand{font-size:19px;gap:9px}.demo-brand img{width:36px;height:36px}.back-link{font-size:12px}.demo-access{margin:30px auto 32px;padding:0 18px}h1{font-size:30px}.system-picker{gap:4px;padding:4px}.system-picker a{flex-direction:column;justify-content:flex-start;gap:6px;padding:8px 4px;min-height:94px;font-size:12px;text-align:center}.system-picker .system-label{overflow-wrap:normal}.demo-preview{padding:24px 18px}.preview-tag{display:none}.demo-submit{min-height:48px}.consent{font-size:12px}.consent input{width:19px;height:19px;min-width:19px}.demo-details summary{min-height:40px}.demo-footer{padding:18px}}