:root{--bg: hsl(200 50% 7%);--bg-glow: hsl(184 80% 45% / .1);--surface: hsl(200 42% 11%);--surface-hi: hsl(200 40% 15%);--line: hsl(200 30% 20%);--line-hi: hsl(200 28% 28%);--text: hsl(185 28% 93%);--text-soft: hsl(195 14% 60%);--brand: hsl(184 82% 45%);--brand-bright: hsl(176 74% 56%);--brand-deep: hsl(190 80% 26%);--amber: hsl(38 92% 52%);--display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;--body: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;--mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace}*{box-sizing:border-box}body{margin:0;color:var(--text);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;background:radial-gradient(1100px 460px at 50% -160px,var(--bg-glow),transparent 70%),var(--bg);min-height:100vh}.mono{font-family:var(--mono);letter-spacing:.02em}.app{max-width:680px;margin:0 auto;padding:clamp(22px,5vw,44px) 20px 72px}.brandbar{display:flex;align-items:center;gap:9px;margin-bottom:clamp(26px,6vw,46px)}.brandbar .mark{width:13px;height:13px;border-radius:3px;transform:rotate(45deg);background:linear-gradient(135deg,var(--brand-bright),var(--brand-deep));box-shadow:0 0 14px #15c4d18c}.brandbar .name{font-family:var(--display);font-weight:700;font-size:.98rem;letter-spacing:.24em;color:var(--text)}.brandbar .name b{color:var(--brand-bright);font-weight:700}.masthead{margin-bottom:40px}.wordmark{font-size:.72rem;text-transform:uppercase;letter-spacing:.22em;color:var(--brand-bright);display:inline-flex;align-items:center;gap:8px}.wordmark:before{content:"";width:24px;height:1px;background:var(--brand)}.masthead h1{font-family:var(--display);font-weight:500;font-size:clamp(1.9rem,6vw,2.9rem);line-height:1.05;letter-spacing:-.02em;margin:16px 0 12px}.masthead h1 em{font-style:normal;color:var(--brand-bright)}.lede{color:var(--text-soft);max-width:46ch;margin:0}.intake-progress{display:flex;align-items:center;gap:14px;margin-bottom:26px;font-size:.75rem;color:var(--text-soft)}.intake-progress .rail{flex:1;height:2px;background:var(--line);position:relative;overflow:hidden}.intake-progress .rail i{position:absolute;inset:0 auto 0 0;height:100%;background:var(--brand);transition:width .35s ease}.channel{margin:0 0 12px;padding:20px 22px;background:var(--surface);border:1px solid var(--line);border-radius:8px}.channel-head{display:flex;gap:14px;align-items:baseline}.channel-num{font-size:.8rem;color:var(--brand-bright);font-weight:500;flex:none;padding-top:1px}.channel-prompt{font-weight:500;font-size:1.02rem;margin:0;padding:0}.scale{display:grid;grid-template-columns:repeat(5,1fr);margin-top:16px;border:1px solid var(--line-hi);border-radius:6px;overflow:hidden}.seg{position:relative;text-align:center;cursor:pointer;padding:9px 4px;font-size:.72rem;color:var(--text-soft);border-left:1px solid var(--line-hi);transition:background .15s ease,color .15s ease}.seg:first-child{border-left:0}.seg input{position:absolute;opacity:0;pointer-events:none}.seg:hover{background:#15c4d147;color:var(--brand-bright);box-shadow:inset 0 0 0 1px #15c4d18c}.seg.on{background:var(--brand);color:#09151b;font-weight:600}.seg:focus-within{outline:2px solid var(--amber);outline-offset:-2px}.cta{font-family:var(--body);font-size:.98rem;font-weight:600;margin-top:22px;padding:14px 24px;cursor:pointer;color:#09151b;background:var(--brand);border:0;border-radius:6px;transition:transform .12s ease,background .15s ease,box-shadow .15s ease}.cta:hover:not(:disabled){background:var(--brand-bright);box-shadow:0 0 24px #15c4d166}.cta:active:not(:disabled){transform:translateY(1px)}.cta:disabled{opacity:.4;cursor:not-allowed}.readout{text-align:center;margin-bottom:30px}.eyebrow{font-size:.7rem;text-transform:uppercase;letter-spacing:.24em;color:var(--text-soft)}.index-num{font-family:var(--display);font-weight:700;font-size:clamp(4.5rem,20vw,7rem);line-height:.95;letter-spacing:-.03em;margin:6px 0 2px;font-variant-numeric:tabular-nums;color:var(--text);text-shadow:0 0 40px hsl(184 82% 45% / .35)}.band-name{font-family:var(--display);font-weight:500;font-size:1.35rem;color:var(--brand-bright)}.meridian{margin:8px 0 30px}.meridian-labels{display:grid;grid-template-columns:repeat(4,1fr);font-size:.64rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text-soft);margin-bottom:10px}.meridian-labels span{text-align:center}.meridian-labels span.active{color:var(--brand-bright);font-weight:600}.meridian-track{position:relative;height:8px;border-radius:999px;background:linear-gradient(90deg,hsl(200 25% 24%) 0%,var(--brand-deep) 55%,var(--brand) 100%)}.meridian-track .tick{position:absolute;top:-4px;bottom:-4px;width:1px;background:#395a6a}.marker{position:absolute;top:50%;transform:translate(-50%,-50%);transition:left .9s cubic-bezier(.16,1,.3,1);display:flex;flex-direction:column;align-items:center}.marker .dot{width:16px;height:16px;border-radius:999px;background:var(--amber);border:3px solid var(--bg);box-shadow:0 0 0 1px var(--amber),0 0 16px #f5a31499}.marker .val{position:absolute;bottom:20px;font-size:.7rem;color:var(--amber);font-weight:500;font-variant-numeric:tabular-nums}.signal-meter{display:flex;align-items:center;gap:12px;margin-bottom:26px;font-size:.68rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text-soft)}.signal-meter .meter{flex:1;height:4px;background:var(--line);border-radius:999px;overflow:hidden}.signal-meter .meter i{display:block;height:100%;background:var(--brand);transition:width .9s ease 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