:root{color-scheme:dark;--color-text:#f4f7f2;--color-muted:#a9b4ac;--color-background:#0a0d0b;--color-surface:#151a17;--color-line:#344039;--color-accent:#b7f36b;--color-accent-text:#102000;--ink:var(--color-text);--muted:var(--color-muted);--surface:var(--color-background);--surface-raised:var(--color-surface);--line:var(--color-line);--accent:var(--color-accent);--accent-ink:var(--color-accent-text);background:var(--surface);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(circle at 75% 5%, #b7f36b1f, transparent 28rem), var(--surface);min-width:320px;margin:0;line-height:1.6}a{color:inherit}.skip-link{z-index:10;background:var(--accent);color:var(--accent-ink);padding:.75rem 1rem;position:fixed;top:.75rem;left:.75rem;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}.site-header,main,footer{width:min(1120px,100% - 2rem);margin-inline:auto}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding-block:1.5rem;display:flex}.brand{align-items:center;gap:.7rem;font-weight:700;text-decoration:none;display:inline-flex}.brand-mark{background:var(--accent);width:2rem;height:2rem;color:var(--accent-ink);border-radius:50%;place-items:center;display:grid}nav{gap:1.5rem;display:flex}nav a{color:var(--muted);text-decoration:none}.hero{grid-template-columns:minmax(0,1.5fr) minmax(16rem,.7fr);align-items:end;gap:clamp(2rem,7vw,7rem);min-height:72vh;padding-block:clamp(4rem,10vw,9rem);display:grid}.eyebrow{color:var(--accent);letter-spacing:.12em;text-transform:uppercase;margin:0 0 1rem;font-size:.78rem;font-weight:800}h1,h2,h3,p{text-wrap:balance}h1{letter-spacing:-.065em;max-width:12ch;margin:0;font-size:clamp(3.25rem,8vw,7.6rem);line-height:.93}h2{letter-spacing:-.045em;max-width:15ch;margin:0;font-size:clamp(2.25rem,5vw,4.5rem);line-height:1}.lede{max-width:42rem;color:var(--muted);margin:2rem 0;font-size:clamp(1.05rem,2vw,1.35rem)}.primary-action,button{background:var(--accent);min-height:3.2rem;color:var(--accent-ink);font:inherit;cursor:pointer;border:0;border-radius:999px;justify-content:center;align-items:center;padding:.8rem 1.3rem;font-weight:800;text-decoration:none;display:inline-flex}.actions{flex-wrap:wrap;gap:.8rem;display:flex}.secondary-action{border:1px solid var(--line);min-height:3.2rem;color:var(--ink);border-radius:999px;justify-content:center;align-items:center;padding:.8rem 1.3rem;font-weight:750;text-decoration:none;display:inline-flex}.primary-action:focus-visible,.secondary-action:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.evidence-card{border:1px solid var(--line);background:#19201bcc;border-radius:1.25rem;padding:1.5rem}.evidence-card>p,.evidence-card dt{color:var(--muted);text-transform:uppercase;font-size:.78rem}.evidence-card strong{overflow-wrap:anywhere}.evidence-card dl{gap:.8rem;margin:1.5rem 0 0;display:grid}.evidence-card dl div{border-top:1px solid var(--line);justify-content:space-between;gap:1rem;display:flex}.evidence-card dd{margin:0}.principles,.measurement,.probe,.event-probe{border-top:1px solid var(--line);padding-block:clamp(4rem,9vw,8rem)}.principle-grid{background:var(--line);grid-template-columns:repeat(3,1fr);gap:1px;margin-top:4rem;display:grid}.principle-grid article{background:var(--surface);padding:2rem}.principle-grid span{color:var(--accent);font-variant-numeric:tabular-nums}.principle-grid h3{margin:2rem 0 .5rem;font-size:1.4rem}.principle-grid p,.measurement>p,.probe>p,.event-probe>p{color:var(--muted)}.measurement{grid-template-columns:1fr 1fr;align-items:end;gap:clamp(2rem,8vw,8rem);display:grid}.probe{max-width:46rem}.probe h2,.event-probe h2{font-size:clamp(2rem,4vw,3.25rem)}.event-probe{max-width:52rem}.probe button{margin-top:1rem}.status{min-height:1.5rem;color:var(--accent);margin-top:1rem;display:block}footer{border-top:1px solid var(--line);color:var(--muted);padding-block:2rem 4rem;font-size:.9rem}@media (width<=760px){nav{display:none}.hero,.measurement{grid-template-columns:1fr}.hero{min-height:auto}.principle-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
