:root{--bg:#090c0e;--panel:#0f1417;--ink:#edf1f3;--muted:#98a4ab;--line:#2a3338;--steel:#b9c7cf;--warm:#c4a47a;--max:1120px}

*{box-sizing:border-box}

html{scroll-behavior:smooth}

body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.75}

::selection{background:var(--steel);color:#090c0e}

.skip{position:fixed;left:1rem;top:-5rem;z-index:99;background:white;color:#000;padding:.7rem 1rem}.skip:focus{top:1rem}

.hero{position:relative;width:100%;background:#07090a;overflow:hidden}.hero img{display:block;width:100%;max-width:100%;height:auto;min-height:0;object-fit:contain;object-position:center}.hero-fade{position:absolute;inset:auto 0 0;height:18%;background:linear-gradient(transparent,var(--bg));pointer-events:none}.hero-accessible-title{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

.rail{position:sticky;top:0;z-index:30;border-block:1px solid rgba(185,199,207,.15);background:rgba(9,12,14,.91);backdrop-filter:blur(18px)}.rail-inner{max-width:var(--max);margin:auto;min-height:56px;padding:0 24px;display:flex;align-items:center;gap:2rem}.brand{color:var(--ink);font-weight:800;letter-spacing:.16em;text-decoration:none}.brand span{color:var(--warm)}.toc{margin-left:auto;display:flex;gap:1.3rem}.toc a,.toc-toggle{font:600 11px/1 system-ui;letter-spacing:.14em;color:var(--muted);text-decoration:none;background:none;border:0}.toc a:hover{color:var(--steel)}.toc-toggle{display:none;margin-left:auto}

.article{max-width:var(--max);margin:auto;padding:0 24px}.mast{padding:8rem 0 7rem;max-width:940px}.eyebrow,.kicker,.meta{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--warm)}.lede{font-size:clamp(1.9rem,3.6vw,3.35rem);line-height:1.2;letter-spacing:-.025em;margin:1.2rem 0 1.8rem}.standfirst{font-size:1.18rem;max-width:72ch;color:#bac3c8;margin:0 0 3rem}.meta{display:flex;flex-wrap:wrap;gap:1.3rem;color:var(--muted)}

.chapter{display:grid;grid-template-columns:100px 1fr;gap:2rem;padding:8rem 0;border-top:1px solid var(--line);scroll-margin-top:70px}.chapter-no{font:300 3.6rem/1 ui-monospace,monospace;color:#354147}.chapter-body{max-width:820px}.chapter h2{font-size:clamp(2.2rem,5vw,4.6rem);line-height:1.02;letter-spacing:-.045em;margin:.6rem 0 2.2rem}.chapter p{font-size:1.1rem;color:#c1c9cd;max-width:74ch}.chapter blockquote{margin:3rem 0;padding:1.5rem 0 1.5rem 2rem;border-left:2px solid var(--warm);font-size:clamp(1.3rem,2.5vw,2rem);line-height:1.35;color:var(--ink)}

.accent{position:relative}.accent:before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,var(--warm),transparent);opacity:.5}

.terminal{margin:2.8rem 0;padding:1.4rem 1.6rem;border:1px solid var(--line);background:#050708;font:14px/1.9 "SFMono-Regular",Consolas,monospace;color:#aeb9bf;overflow:auto}.terminal span{color:var(--warm)}

.equation{font:clamp(2rem,6vw,5.5rem)/1.1 Georgia,serif;text-align:center;padding:4rem 1rem;margin:3rem 0;border-block:1px solid var(--line);color:#e8edef}.thesis{margin:3rem 0;padding:2rem;border:1px solid rgba(196,164,122,.35);background:linear-gradient(135deg,rgba(196,164,122,.08),transparent);font-size:1.35rem}.thesis span{display:block;margin-bottom:.8rem;font:700 .7rem/1 system-ui;letter-spacing:.2em;color:var(--warm)}

.flow{display:flex;align-items:center;flex-wrap:wrap;gap:.65rem;margin:3rem 0}.flow span{padding:.65rem .85rem;border:1px solid var(--line);font:12px/1.2 ui-monospace,monospace;text-transform:uppercase;letter-spacing:.08em}.flow i{color:var(--warm);font-style:normal}

.ledger{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:3rem 0}.ledger article{background:var(--panel);padding:2rem}.ledger b{font-size:.65rem;letter-spacing:.2em;color:var(--warm)}.ledger h3{font-size:1.35rem;margin:.5rem 0}.ledger article p{font-size:.95rem;margin:0}.final{padding-bottom:10rem}.closing{margin-top:4rem!important;font-size:clamp(1.5rem,3vw,2.6rem)!important;line-height:1.35;color:var(--ink)!important}.closing strong{color:var(--steel)}

.author-note{margin-top:5rem;padding:1.25rem 1.4rem;border-left:2px solid rgba(185,199,207,.24);background:linear-gradient(90deg,rgba(185,199,207,.045),rgba(185,199,207,.015));max-width:72rem;font-size:.92rem;line-height:1.7;letter-spacing:.01em;color:rgba(237,241,243,.72)}

.author-note strong{color:rgba(237,241,243,.94);font-weight:650;letter-spacing:.01em}

.author-note em{color:rgba(237,241,243,.84)}

footer{border-top:1px solid var(--line);padding:3rem 0 5rem;display:flex;justify-content:space-between;gap:2rem;color:var(--muted);font-size:.7rem;letter-spacing:.16em;line-height:1.8}footer strong{color:var(--ink)}footer a{color:var(--warm);text-decoration:none}

@media(max-width:820px){.hero{min-height:0}.hero img{width:100%;max-width:100%;height:auto;min-height:0;object-fit:contain}.toc-toggle{display:block}.toc{display:none;position:absolute;left:0;right:0;top:56px;padding:1rem 24px 1.5rem;background:rgba(9,12,14,.98);border-bottom:1px solid var(--line);flex-direction:column}.toc.open{display:flex}.mast{padding:5rem 0}.chapter{grid-template-columns:1fr;padding:5rem 0}.chapter-no{font-size:1.4rem}.ledger{grid-template-columns:1fr}.author-note{margin-top:3.5rem;padding:1rem 1.1rem;font-size:.88rem;line-height:1.65}footer{flex-direction:column}}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}