:root{--bg:#f4f0e7;--paper:#fbf9f3;--ink:#17211f;--muted:#68716d;--line:#d5d1c8;--deep:#0b1614;--mint:#59d6b4;--mint-soft:#dff5ec;--gold:#e8b867;--shadow:0 18px 50px rgba(17,33,29,.08);--max:1240px;color-scheme:light}
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*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit}button,input{font:inherit}.skip-link{position:absolute;left:-999px;top:1rem}.skip-link:focus{left:1rem;z-index:99;background:var(--paper);padding:.7rem 1rem;border:1px solid var(--line)}
.topbar{height:76px;display:flex;align-items:center;gap:2rem;padding:0 max(24px,calc((100vw - var(--max))/2));background:rgba(244,240,231,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(16px)}[data-theme="dark"] .topbar{background:rgba(13,21,19,.9)}.wordmark{display:flex;align-items:center;gap:.75rem;text-decoration:none;font-weight:800;letter-spacing:.12em}.wordmark small{display:block;color:var(--muted);font-size:.58rem;letter-spacing:.18em}.mark{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--deep);color:var(--mint);font-family:Georgia,serif;font-size:1.25rem}.topbar nav{display:flex;gap:1.35rem;margin-left:auto}.topbar nav a{text-decoration:none;color:var(--muted);font-size:.86rem;font-weight:650}.topbar nav a:hover{color:var(--ink)}.theme-toggle{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:50%;width:38px;height:38px;cursor:pointer}
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.section{max-width:var(--max);margin:auto;padding:100px 24px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;margin-bottom:2.5rem}.section-heading h2{font:500 clamp(2.2rem,4.4vw,4.6rem)/1 Georgia,serif;letter-spacing:-.035em;margin:.2rem 0}.section-heading p:not(.eyebrow){color:var(--muted);max-width:680px;margin:.7rem 0 0}.time-badge{font:600 3rem/1 Georgia,serif;color:#347a67;border-bottom:2px solid var(--mint)}
.daily{max-width:none;background:var(--deep);color:white;padding-left:max(24px,calc((100vw - var(--max))/2));padding-right:max(24px,calc((100vw - var(--max))/2))}.daily .eyebrow{color:var(--mint)}.daily .section-heading h2{max-width:800px}.timeline{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid #344a44;border-bottom:1px solid #344a44}.timeline article{padding:2rem 1.2rem 2.4rem;border-right:1px solid #344a44}.timeline article:last-child{border:0}.timeline b{color:var(--mint);font-family:Georgia,serif;font-size:1.8rem}.timeline span{display:block;color:#97aaa4;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;margin:.6rem 0 2rem}.timeline h3{font-size:1.05rem}.timeline p{color:#b9c6c2;font-size:.9rem}.rule-strip{margin-top:2rem;display:flex;justify-content:space-between;align-items:center;background:#172824;padding:1.2rem 1.5rem}.rule-strip span{color:var(--gold);font-weight:900;letter-spacing:.12em}
.legend{font-size:.8rem;color:var(--muted)}.tier{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;font-weight:800;margin-left:.6rem}.tier.a{background:var(--mint-soft);color:#246653}.tier.b{background:#f4e4c5;color:#795b20}.tier.o{background:#e4e7e5;color:#59625f}.thesis-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.thesis-card{background:var(--paper);border:1px solid var(--line);padding:1.5rem;min-height:320px;transition:.25s}.thesis-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.thesis-top{display:flex;justify-content:space-between;align-items:center}.thesis-number{font:500 2.2rem Georgia,serif;color:#347a67}.thesis-card h3{font:500 1.7rem/1.05 Georgia,serif;margin:1rem 0}.thesis-story{font-weight:650}.thesis-card details{margin-top:1rem;border-top:1px solid var(--line);padding-top:.8rem}.thesis-card summary{cursor:pointer;color:#347a67;font-weight:750}.thesis-details{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1rem}.thesis-details div{background:var(--bg);padding:.9rem}.thesis-details b{display:block;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:.35rem}.thesis-details p{font-size:.88rem;color:var(--muted);margin:0}.memory{border-left:3px solid var(--mint);padding-left:.85rem;font:italic 1rem Georgia,serif;margin-top:1rem}.source-note{font-size:.84rem;color:var(--muted);margin-top:1.5rem}
.engine{max-width:none;background:var(--paper);padding-left:max(24px,calc((100vw - var(--max))/2));padding-right:max(24px,calc((100vw - var(--max))/2))}.text-link{text-decoration:none;color:#347a67;font-weight:750;white-space:nowrap}.flow{display:flex;align-items:center;gap:.55rem;flex-wrap:wrap;background:var(--deep);color:#fff;padding:1rem}.flow span{padding:.45rem .65rem;border:1px solid #385149;font-size:.72rem;text-transform:uppercase;letter-spacing:.07em}.flow i{color:var(--mint);font-style:normal}.layer-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);margin-top:1.2rem}.layer-card{padding:1.3rem;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.layer-card:nth-child(3n){border-right:0}.layer-card span{font-size:.7rem;color:#347a67;font-weight:850}.layer-card h3{margin:.4rem 0;font:500 1.3rem Georgia,serif}.layer-card p{font-size:.88rem;color:var(--muted)}.layer-card strong{font-size:.82rem}
.regime-board{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line)}.regime{padding:1.2rem;border-right:1px solid var(--line);background:var(--paper)}.regime:last-child{border:0}.regime h3{font:500 1.25rem/1.1 Georgia,serif}.regime strong{font-size:.78rem;color:#347a67}.regime p{font-size:.85rem;color:var(--muted)}.mini-chart{height:95px;display:flex;align-items:flex-end;gap:5px;border-bottom:1px solid var(--line);padding:8px}.mini-chart i{width:15%;background:#347a67;display:block}.strong .mini-chart i:nth-child(1){height:18%}.strong .mini-chart i:nth-child(2){height:38%}.strong .mini-chart i:nth-child(3){height:55%}.strong .mini-chart i:nth-child(4){height:72%}.strong .mini-chart i:nth-child(5){height:92%}.channel .mini-chart i:nth-child(1){height:24%}.channel .mini-chart i:nth-child(2){height:58%}.channel .mini-chart i:nth-child(3){height:42%}.channel .mini-chart i:nth-child(4){height:80%}.channel .mini-chart i:nth-child(5){height:65%}.range .mini-chart i:nth-child(odd){height:75%}.range .mini-chart i:nth-child(even){height:30%}.tight .mini-chart i:nth-child(1){height:48%}.tight .mini-chart i:nth-child(2){height:55%}.tight .mini-chart i:nth-child(3){height:45%}.tight .mini-chart i:nth-child(4){height:52%}.tight .mini-chart i:nth-child(5){height:49%}.transition .mini-chart i:nth-child(1){height:82%}.transition .mini-chart i:nth-child(2){height:60%}.transition .mini-chart i:nth-child(3){height:72%}.transition .mini-chart i:nth-child(4){height:38%}.transition .mini-chart i:nth-child(5){height:22%}
.behavior{border-top:1px solid var(--line)}.engine-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.engine-grid article{background:var(--deep);color:white;padding:2rem;min-height:190px}.engine-grid span{color:var(--mint);font-size:.7rem;letter-spacing:.12em}.engine-grid h3{font:500 1.8rem/1.1 Georgia,serif}.engine-grid p{color:#b9c6c2}.checklist{max-width:none;background:#e5b86b;color:#1b211f;padding-left:max(24px,calc((100vw - var(--max))/2));padding-right:max(24px,calc((100vw - var(--max))/2))}.checklist .eyebrow{color:#5e461b}.checklist-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:2rem}.checklist ol{list-style:none;padding:0;margin:0;background:var(--paper);color:var(--ink)}.checklist li{display:grid;grid-template-columns:160px 1fr;padding:.9rem 1.1rem;border-bottom:1px solid var(--line)}.checklist li:last-child{border:0}.checklist li strong{color:#347a67}.checklist aside{background:var(--deep);color:white;padding:2rem;align-self:start}.checklist aside>p{color:var(--mint);font-size:.7rem;letter-spacing:.14em}.checklist blockquote{margin:2rem 0;font:500 1.8rem/1.3 Georgia,serif}.checklist aside div{display:flex;justify-content:space-between;border-top:1px solid #40544f;padding-top:1rem}.checklist aside strong{color:var(--gold);font-size:1.4rem}
.library-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.library-grid article{background:var(--paper);border:1px solid var(--line);padding:1.5rem;min-height:300px;display:flex;flex-direction:column}.library-grid article>span{font-size:.7rem;letter-spacing:.12em;color:#347a67;font-weight:850}.library-grid h3{font:500 1.7rem/1.1 Georgia,serif}.library-grid p{color:var(--muted)}.library-grid article div{margin-top:auto;display:flex;gap:1rem}.library-grid a{font-weight:750;color:#347a67}.gap-note{margin-top:1rem;background:#efe1c7;color:#493a20;padding:1rem 1.2rem;border-left:4px solid var(--gold)}
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.reference-shell{display:grid;grid-template-columns:290px 1fr;min-height:100vh}.reference-nav{position:sticky;top:0;height:100vh;background:var(--deep);color:white;padding:1.5rem;overflow:auto}.reference-nav a{display:block;color:#b7c7c2;text-decoration:none;padding:.38rem 0;font-size:.82rem}.reference-nav a:hover{color:var(--mint)}.reference-nav .wordmark{margin-bottom:2rem}.reference-nav h2{font:500 1.4rem Georgia,serif}.reference-main{padding:3rem max(24px,calc((100vw - 1100px)/2));min-width:0}.reference-hero{padding-bottom:2.5rem;border-bottom:1px solid var(--line)}.reference-hero h1{font:500 clamp(2.6rem,5vw,5rem)/1 Georgia,serif;margin:.4rem 0}.reference-tools{display:flex;gap:.7rem;margin-top:1.5rem}.reference-tools input{width:min(500px,100%);padding:.8rem 1rem;background:var(--paper);border:1px solid var(--line);color:var(--ink)}.source-section{background:var(--paper);border:1px solid var(--line);margin:1rem 0;padding:1.4rem;scroll-margin-top:1rem}.source-section h2{font:500 1.8rem Georgia,serif}.source-section h3{font:500 1.2rem Georgia,serif}.source-section p{max-width:90ch}.source-section ul{padding-left:1.2rem}.source-section .page-tag{font-size:.68rem;color:#347a67;font-weight:800;letter-spacing:.1em}.source-section[hidden]{display:none}.back-home{display:inline-block;color:var(--mint);margin-top:1rem}
@media(max-width:980px){.topbar nav{display:none}.hero{grid-template-columns:1fr;min-height:auto}.hero-copy{padding-top:40px}.timeline{grid-template-columns:1fr 1fr}.timeline article:nth-child(2n){border-right:0}.thesis-grid,.engine-grid,.library-grid{grid-template-columns:1fr}.layer-grid{grid-template-columns:1fr 1fr}.layer-card:nth-child(3n){border-right:1px solid var(--line)}.layer-card:nth-child(2n){border-right:0}.regime-board{grid-template-columns:1fr 1fr}.regime{border-bottom:1px solid var(--line)}.checklist-layout{grid-template-columns:1fr}.reference-shell{display:block}.reference-nav{position:relative;height:auto}.reference-nav .toc{display:none}footer{grid-template-columns:1fr}}
@media(max-width:640px){.topbar{height:64px;padding:0 16px}.wordmark small{display:none}.hero,.section{padding-left:16px;padding-right:16px}.hero h1{font-size:3.25rem}.section{padding-top:70px;padding-bottom:70px}.section-heading{display:block}.time-badge{display:inline-block;margin-top:1rem}.timeline{grid-template-columns:1fr}.timeline article{border-right:0}.rule-strip{display:block}.rule-strip span{display:block;margin-top:.5rem}.thesis-grid,.layer-grid,.regime-board{grid-template-columns:1fr}.layer-card,.regime{border-right:0}.thesis-details{grid-template-columns:1fr}.checklist li{grid-template-columns:1fr;gap:.2rem}.flow i{display:none}}
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