@property --field-alpha { syntax: "<number>"; inherits: true; initial-value: 1; }
:root {
  --paper:#f3f0e8; --ink:#11100e; --muted:#69645b; --hair:rgba(17,16,14,.22);
  --accent:#e5482d; --blue:#244bff; --field-alpha:1;
  color-scheme:light;
}
*{box-sizing:border-box}
html{background:var(--paper);scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Helvetica Neue",Arial,sans-serif;font-size:17px;line-height:1.55;overflow-x:hidden}
a{color:inherit} code,pre{font-family:"Roboto Mono",Consolas,monospace}
#td-linefield{position:fixed;inset:0;width:100%;height:100%;z-index:4;pointer-events:none;opacity:var(--field-alpha);mix-blend-mode:multiply;transition:opacity .65s ease}
html[data-motion="settled"]{--field-alpha:0}
.brand{position:fixed;z-index:7;top:22px;left:24px;display:flex;align-items:center;gap:10px;text-decoration:none;background:color-mix(in srgb,var(--paper) 88%,transparent);padding:5px 9px 5px 5px;border:1px solid var(--hair);backdrop-filter:blur(7px)}
.flowmark{width:42px;height:42px;overflow:visible;opacity:.23;transition:opacity .8s ease}
.flowmark path{fill:none;stroke:var(--ink);stroke-width:3.8;stroke-linecap:round;stroke-linejoin:round}
html[data-motion="settled"] .flowmark,html[data-motion="reduced"] .flowmark{opacity:1}
.wordmark{font-size:12px;letter-spacing:.1em;text-transform:lowercase;font-weight:700}
.motion-control{position:fixed;z-index:8;right:22px;top:23px;border:1px solid var(--ink);background:var(--paper);color:var(--ink);padding:8px 11px;font:700 11px/1 Inter,Arial,sans-serif;letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.motion-control:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
main{width:min(1180px,calc(100% - 48px));margin:0 auto;padding:122px 0 80px}
.hero{position:relative;min-height:72vh;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:44px 0 36px;display:grid;grid-template-columns:minmax(0,1.72fr) minmax(300px,.82fr);grid-template-rows:auto 1fr auto;gap:22px 64px}
.eyebrow,.kicker,.issue{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;margin:0;color:var(--muted)}
h1,h2,h3{font-family:University,"Iowan Old Style","Baskerville",Georgia,serif;font-weight:500;letter-spacing:-.035em;margin:0}
h1{grid-column:1;align-self:center;font-size:clamp(70px,9.5vw,138px);line-height:.78;letter-spacing:-.067em;max-width:7.7ch}
.dek{grid-column:2;grid-row:2;align-self:center;font-family:University,"Iowan Old Style",Georgia,serif;font-size:clamp(22px,2.3vw,34px);line-height:1.08;margin:0}
.hero-rule{position:absolute;right:0;bottom:29%;width:34%;height:8px;background:var(--accent);transform:skewX(-24deg)}
.issue{grid-column:1/-1;display:flex;justify-content:space-between;border-top:1px solid var(--hair);padding-top:12px}
.issue code{font-size:10px;color:var(--ink)}
article>section{margin:0;padding:88px 0;border-bottom:1px solid var(--ink)}
.lede{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:start}
.dropcap{font-family:University,"Iowan Old Style",Georgia,serif;font-size:clamp(29px,3.5vw,49px);line-height:1.08;margin:0}
.dropcap::first-letter{float:left;font-size:4.2em;line-height:.72;padding:.08em .08em 0 0;color:var(--accent)}
blockquote{margin:0;border-left:8px solid var(--accent);padding:3px 0 3px 28px;font-family:University,"Iowan Old Style",Georgia,serif;font-size:clamp(26px,3vw,42px);line-height:1.05}
blockquote p{margin:0}
.manifesto,.equation,.cycle,.active-sdk{display:grid;grid-template-columns:90px 1fr;gap:34px}
.section-number{font:800 11px/1 Inter,Arial,sans-serif;letter-spacing:.12em;padding-top:9px;color:var(--accent)}
h2{font-size:clamp(44px,7vw,100px);line-height:.9;max-width:12ch;margin:12px 0 44px}
h3{font-size:24px;line-height:1.02}
.manifesto ol{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink)}
.manifesto li{padding:22px 24px 25px 0;border-bottom:1px solid var(--hair);display:flex;gap:18px;min-height:110px}
.manifesto li:nth-child(odd){border-right:1px solid var(--hair);padding-right:28px}.manifesto li:nth-child(even){padding-left:28px}
.manifesto strong{font-family:University,"Iowan Old Style",Georgia,serif;font-size:27px;line-height:1;min-width:8.5ch}.manifesto span{font-size:14px;color:var(--muted);line-height:1.45}
.equation{background:var(--ink);color:var(--paper);margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);padding-left:max(24px,calc((100vw - 1180px)/2));padding-right:max(24px,calc((100vw - 1180px)/2));grid-template-columns:90px minmax(0,1090px)}
.equation .kicker,.equation .section-number{color:#ff765e}.equation h2{max-width:15ch}
.formula{display:flex;align-items:center;gap:.35em;font-family:University,"Iowan Old Style",Georgia,serif;font-size:clamp(42px,7vw,92px);line-height:1;margin:25px 0 45px}
.fraction{display:inline-grid;grid-template-rows:auto auto;text-align:center;font-size:.56em;gap:.13em}.fraction>span:first-child{border-bottom:2px solid currentColor;padding:0 .18em .16em}.fraction>span:last-child{padding-top:.08em}
.equation dl{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(243,240,232,.25);margin:0}.equation dl div{background:var(--ink);padding:18px}.equation dt{font:700 18px/1.2 "Roboto Mono",monospace}.equation dd{margin:8px 0 0;color:#bdb7aa;font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.cycle-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-left:1px solid var(--ink)}
.cycle-grid article{min-height:220px;padding:23px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);position:relative}
.cycle-grid b{display:block;color:var(--accent);font-size:11px;margin-bottom:35px}.cycle-grid h3{margin-bottom:12px}.cycle-grid p{font-size:13px;color:var(--muted);margin:0}
.active-sdk p{max-width:68ch}.active-sdk pre{margin:40px 0 0;padding:28px;background:#e7e1d5;border-left:8px solid var(--accent);font-size:14px;line-height:1.7;overflow:auto}
.closing{text-align:center;padding:130px 0}.closing h2{font-size:clamp(64px,10vw,150px);max-width:none;margin:20px auto 35px;line-height:.78}.closing p:last-child{max-width:55ch;margin:0 auto;color:var(--muted)}
.folio{width:min(1180px,calc(100% - 48px));margin:0 auto 28px;padding:16px 0;border-top:1px solid var(--ink);display:flex;justify-content:space-between;gap:30px;font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
@media (max-width:800px){
  .brand{position:absolute}.motion-control{top:25px}.wordmark{display:none}main{width:min(100% - 28px,650px);padding-top:105px}
  .hero{min-height:auto;display:block;padding:35px 0}.hero h1{margin:70px 0 45px;font-size:clamp(50px,15vw,68px);line-height:.82;letter-spacing:-.06em}.dek{max-width:22ch}.issue{margin-top:70px}.hero-rule{bottom:25%;width:40%}
  .lede,.manifesto,.equation,.cycle,.active-sdk{display:block}.section-number{margin-bottom:18px}.lede{display:grid;grid-template-columns:1fr;gap:50px}
  .manifesto ol{grid-template-columns:1fr}.manifesto li:nth-child(odd){border-right:0;padding-right:0}.manifesto li:nth-child(even){padding-left:0}
  .equation{padding-left:14px;padding-right:14px}.equation dl{grid-template-columns:1fr 1fr}.cycle-grid{grid-template-columns:1fr 1fr}.cycle-grid article{min-height:180px}
  .folio{width:calc(100% - 28px);display:block}.folio span{display:block;margin-top:6px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}#td-linefield{display:none}.flowmark{opacity:1!important;transition:none}.motion-control{display:none}}
@media (forced-colors:active){#td-linefield{display:none}.brand{background:Canvas}.hero-rule{background:CanvasText}.flowmark{opacity:1}}
@page{size:A4 portrait;margin:0}
@media print{
  :root{--paper:#fff;--ink:#000;--muted:#444;--accent:#000}
  html,body{background:#fff!important;color:#000!important}.brand{position:static;border:0;padding:0;margin:12mm 12mm 0;backdrop-filter:none}.flowmark{opacity:1!important;width:16mm;height:16mm}.motion-control,#td-linefield{display:none!important}
  main{width:auto;margin:0;padding:13mm 12mm}.hero{min-height:225mm;padding-top:10mm;break-after:page}.hero h1{font-size:31mm}.dek{font-size:8mm}.hero-rule{background:#000}
  article>section{padding:16mm 0;break-inside:auto}.lede,.manifesto,.equation,.cycle,.active-sdk{grid-template-columns:17mm 1fr;gap:6mm}.lede{display:grid;grid-template-columns:1fr;break-after:page}
  h2{font-size:18mm}.equation{margin-left:-12mm;margin-right:-12mm;padding-left:12mm;padding-right:12mm;background:#fff;color:#000;border-top:2px solid #000;border-bottom:2px solid #000}.equation .kicker,.equation .section-number{color:#000}.equation dl{background:#000}.equation dl div{background:#fff;border:1px solid #000}.equation dd{color:#333}
  .cycle-grid{grid-template-columns:1fr 1fr}.cycle-grid article{min-height:52mm}.closing{break-before:page;min-height:240mm;display:flex;flex-direction:column;justify-content:center}.folio{width:auto;margin:0 12mm 8mm}
  a{text-decoration:none}.manifesto li,.cycle-grid article,pre,blockquote{break-inside:avoid}
}