:root{--chartroom:#0F1520;--squall:#182130;--squall2:#1c2635;--paper:#E9E4D8;--graphite:#8A94A6;
--glacier:#5FD4C0;--ember:#FF8A5C;--hair:rgba(233,228,216,0.09);--bezel:rgba(255,255,255,0.04);--regime-hue:var(--glacier);--ink:#0c111a}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Public Sans',system-ui,-apple-system,sans-serif;color:var(--paper);background:var(--chartroom);
line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.mono{font-family:'IBM Plex Mono',monospace;font-variant-numeric:tabular-nums}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--graphite)}
h1,h2.disp,.disp{font-family:'Besley',Georgia,serif;font-weight:700;letter-spacing:-.01em;line-height:1.04;color:var(--paper);margin:0}
h1{font-size:clamp(2.6rem,6vw,4.25rem);margin:.35rem 0 1.1rem}
h2.disp{font-size:clamp(1.6rem,3vw,2.25rem);font-weight:600;margin:0 0 .8rem}
p{max-width:720px;color:#cbcabf}
a{color:inherit}
.chrome{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
padding:13px 24px;background:rgba(15,21,32,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--hair)}
.mark{display:flex;align-items:center;gap:9px;font-family:'Besley',serif;font-weight:700;font-size:17px;letter-spacing:-.01em}
.mark .dot{width:11px;height:11px;border-radius:3px;background:var(--regime-hue);box-shadow:0 0 14px -2px var(--regime-hue);transition:background 1100ms,box-shadow 1100ms}
.chrome-r{display:flex;align-items:center;gap:16px}
.seg{display:inline-flex;border:1px solid var(--hair);border-radius:8px;overflow:hidden}
.seg button{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;padding:6px 13px;background:transparent;color:var(--graphite);border:0;cursor:pointer;transition:all 140ms}
.seg button[aria-pressed="true"]{background:var(--bezel);color:var(--paper)}
.ghost{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--graphite);text-decoration:none;border-bottom:1px solid transparent;transition:all 140ms;white-space:nowrap}
.ghost:hover{color:var(--paper);border-color:var(--hair)}
.stage{display:grid;grid-template-columns:224px 1fr;gap:44px;align-items:start}
.rail{position:sticky;top:76px;padding:26px 0}
.rail ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--hair)}
.rail a{display:flex;gap:10px;align-items:baseline;padding:7px 0 7px 16px;text-decoration:none;color:var(--graphite);font-size:13px;transition:color 140ms,border-color 140ms;border-left:2px solid transparent;margin-left:-1px}
.rail a .n{font-family:'IBM Plex Mono',monospace;font-size:11px;opacity:.7;min-width:18px}
.rail a:hover,.rail a.on{color:var(--paper)}
.rail a.on{border-left-color:var(--regime-hue)}
.content{padding:26px 0 72px;min-width:0}
section.ch{padding:46px 0;border-top:1px solid var(--hair);scroll-margin-top:80px}
section.ch:first-child{border-top:0}
.chlabel{color:var(--regime-hue);transition:color 1100ms}
.hero{padding:40px 0 22px}
.btn{font-family:'IBM Plex Mono',monospace;font-size:13px;padding:11px 18px;border-radius:8px;border:1px solid var(--hair);background:var(--squall);color:var(--paper);cursor:pointer;transition:all 140ms;text-decoration:none;display:inline-block}
.btn:hover{border-color:rgba(233,228,216,.28)}
.btn.primary{background:transparent;border-color:rgba(95,212,192,.42)}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin:8px 0 4px}
.chip{display:inline-flex;align-items:center;gap:7px;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.06em;padding:5px 11px;border-radius:7px;border:1px solid var(--hair);color:var(--graphite)}
.chip .sig{width:7px;height:7px;border-radius:50%;background:var(--regime-hue);transition:background 1100ms}
.board{background:var(--squall);border:1px solid var(--hair);border-radius:16px;padding:15px 16px 11px;box-shadow:inset 0 1px 0 var(--bezel)}
.board.live{box-shadow:inset 0 1px 0 var(--bezel),0 0 80px -34px var(--regime-hue),0 0 0 1px var(--hair);transition:box-shadow 1100ms}
.board .cap{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:9px;flex-wrap:wrap}
.board .cap .wm{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.04em;color:var(--graphite)}
.regchip{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.1em;padding:5px 11px;border-radius:7px;border:1px solid var(--glacier);color:var(--glacier);background:rgba(95,212,192,.1);transition:all 600ms}
.readout{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--paper)}
.readout .lab{color:var(--graphite)}
svg.bd{display:block;width:100%;height:auto;touch-action:none}
.instr{background:var(--squall);border:1px solid var(--hair);border-radius:12px;padding:16px;margin-top:18px;box-shadow:inset 0 1px 0 var(--bezel)}
.instr .hd{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--graphite);margin-bottom:8px}
.ctl{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px}
.ctl label{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--graphite);min-width:56px}
input[type=range]{-webkit-appearance:none;appearance:none;height:3px;background:var(--hair);border-radius:3px;outline:none;flex:1;min-width:120px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--paper);cursor:pointer;border:0}
input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--paper);cursor:pointer;border:0}
.val{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--paper);min-width:64px}
.legend{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:1px;background:var(--hair);border:1px solid var(--hair);border-radius:12px;overflow:hidden;margin-top:16px}
.lcard{background:var(--squall);padding:15px;transition:background 140ms}
.lcard:hover,.lcard:focus-within{background:var(--squall2)}
.lcard .g{font-family:'IBM Plex Mono',monospace;font-size:19px;color:var(--regime-hue);transition:color 1100ms}
.lcard .nm{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;margin:7px 0 5px;color:var(--paper)}
.lcard .d{font-size:12.5px;color:var(--graphite);line-height:1.5;max-width:none}
.colorlaw{display:flex;gap:20px;flex-wrap:wrap;font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--graphite);margin:6px 0 6px}
.colorlaw b{color:var(--paper);font-weight:500}
.sw{display:inline-block;width:10px;height:10px;border-radius:2px;vertical-align:-1px;margin-right:6px}
.tri{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:16px}
.tricard{background:var(--squall);border:1px solid var(--hair);border-radius:12px;padding:15px;box-shadow:inset 0 1px 0 var(--bezel)}
.tricard .t{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;color:var(--paper);margin-bottom:8px}
.dial{display:flex;align-items:baseline;gap:8px}
.dial .num{font-family:'Besley',serif;font-size:2.1rem;font-weight:700}
.dial .lab{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--graphite)}
.seal{font-family:'IBM Plex Mono',monospace;font-size:11.5px;background:var(--ink);border:1px solid var(--hair);border-radius:8px;padding:12px;color:var(--graphite);white-space:pre-wrap;word-break:break-all;line-height:1.55}
.hash{color:var(--glacier);word-break:break-all}
.refuse{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.rtok{font-family:'IBM Plex Mono',monospace;font-size:12px;padding:7px 12px;border-radius:8px;border:1px dashed rgba(255,138,92,.5);color:var(--ember);cursor:pointer;transition:all 140ms}
.rtok:hover{background:rgba(255,138,92,.09)}
.rtok.done{border-style:solid;border-color:var(--hair);color:var(--paper)}
.refl{font-size:13.5px;color:var(--paper);margin-top:14px;max-width:640px;min-height:1.5em;transition:opacity 300ms}
.strike{text-decoration:line-through;opacity:.85}
.drill .q{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--paper);margin-top:14px}
.opts{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.oo{font-family:'IBM Plex Mono',monospace;font-size:12px;padding:7px 13px;border-radius:7px;border:1px solid var(--hair);background:var(--squall);color:var(--paper);cursor:pointer;transition:all 140ms}
.oo:hover{border-color:rgba(233,228,216,.3)}
.oo.ok{border-color:var(--glacier);color:var(--glacier)}
.oo.no{border-color:var(--ember);color:var(--ember)}
.fb{font-size:12.5px;color:var(--graphite);margin-top:10px;min-height:1.4em;max-width:660px}
.endcard{text-align:center;padding:44px 0 8px}
footer{border-top:1px solid var(--hair);padding:30px 0 10px;color:var(--graphite)}
footer p{font-size:12px;max-width:840px;line-height:1.65}
.reveal{opacity:0;transform:translateY(12px)}
.reveal.in{opacity:1;transform:none;transition:opacity 340ms cubic-bezier(.22,1,.36,1),transform 340ms cubic-bezier(.22,1,.36,1)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
:focus-visible{outline:2px solid var(--paper);outline-offset:2px}
::selection{background:rgba(95,212,192,.28)}
@media(max-width:900px){
.stage{grid-template-columns:1fr;gap:0}
.rail{position:sticky;top:56px;z-index:30;padding:0;margin:0 -24px;background:rgba(15,21,32,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--hair)}
.rail ol{display:flex;overflow-x:auto;border-left:0;padding:8px 24px;gap:2px;scrollbar-width:none}
.rail ol::-webkit-scrollbar{display:none}
.rail a{border-left:0;border-bottom:2px solid transparent;padding:6px 9px;white-space:nowrap}
.rail a.on{border-left:0;border-bottom-color:var(--regime-hue)}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}