@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root{--ink:#101c27;--deep:#0b1721;--lime:#dcfa72;--paper:#fff;--soft:#f2f5f6;--muted:#55636d;--line:#dce3e7;--max:1280px;--title:'Space Grotesk',Arial,sans-serif;--body:'DM Sans',Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:18px;line-height:1.65}a{color:inherit;text-underline-offset:4px}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #426b00;outline-offset:5px}img,svg{max-width:100%}button{font:inherit}h1,h2,h3{font-family:var(--title);font-weight:500;line-height:1.12;letter-spacing:-.045em}h1,h2,h3,p{margin-top:0}h2{font-size:clamp(2rem,4vw,3.5rem)}h3{font-size:1.5rem;letter-spacing:-.025em}p{margin-bottom:1.3rem}ul,ol{padding-left:1.25rem}li+li{margin-top:.5rem}code{font-size:.9em;background:var(--soft);padding:.15em .3em;border-radius:3px}pre{overflow:auto;background:var(--deep);color:#eef5f8;padding:24px;font-size:15px;line-height:1.7;white-space:pre-wrap;word-break:break-word}pre code{background:none;padding:0;color:inherit}.wrap{max-width:var(--max);margin:auto;padding:0 48px}.skip{position:fixed;top:-80px;left:16px;background:var(--lime);padding:10px 20px;z-index:20}.skip:focus{top:10px}.topbar{height:88px;border-bottom:1px solid #ffffff24;background:var(--deep);color:white}.topbar .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-family:var(--title);font-weight:700;letter-spacing:.07em;font-size:22px}.brand svg{width:26px;height:29px;color:var(--lime)}.topnav{display:flex;align-items:center;gap:30px;font-size:15px}.topnav a{text-decoration:none;color:#dce4e8}.topnav a:hover{color:var(--lime)}.edition{border:1px solid #ffffff40;font-size:12px;font-family:monospace;padding:4px 9px;letter-spacing:.05em;white-space:nowrap}.menu-toggle{display:none;color:white;border:1px solid #ffffff50;background:none;padding:7px 11px}.kicker{font-family:monospace;letter-spacing:.12em;text-transform:uppercase;font-size:13px;line-height:1.5;font-weight:500}.hero{background:var(--deep);color:white;position:relative;overflow:hidden}.hero:before{content:'';position:absolute;inset:0;background-image:linear-gradient(#ffffff04 1px,transparent 1px),linear-gradient(90deg,#ffffff04 1px,transparent 1px);background-size:64px 64px;pointer-events:none}.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr 1fr;gap:80px;padding-top:76px;padding-bottom:86px;align-items:center}.hero .kicker{color:var(--lime);margin-bottom:28px}.hero h1{font-size:clamp(3.9rem,6.9vw,6.25rem);letter-spacing:-.065em;line-height:1.01;margin-bottom:30px}.hero h1 span{color:var(--lime)}.hero .intro{color:#b8c5ce;max-width:490px;font-size:19px;line-height:1.65}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:24px;margin-top:34px}.button{display:inline-flex;justify-content:center;align-items:center;gap:20px;background:var(--lime);color:var(--deep);font-size:15px;font-weight:700;text-decoration:none;padding:15px 22px;border:1px solid transparent}.button:hover{background:#e7ff9f}.text-link{font-size:15px;font-weight:600}.hero .text-link{color:#fff}.method-map{border:1px solid #46535c;padding:30px;background:#101f29}.map-heading{display:flex;justify-content:space-between;color:#aec0cb;font-family:monospace;font-size:12px;letter-spacing:.1em;margin-bottom:22px}.map-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.map-list li{border:1px solid #42515b;background:#172832;padding:20px 18px;margin:0;min-height:100px;display:flex;flex-direction:column}.map-list span{font:12px monospace;color:#9bacb6;margin-bottom:8px}.map-list strong{font-family:var(--title);font-size:21px;font-weight:500;line-height:1.2}.map-list .proof{background:var(--lime);color:var(--ink);border-color:var(--lime)}.map-list .proof span{color:#3f521a}.map-foot{border-top:1px solid #42515b;margin-top:24px;padding-top:18px;font-size:14px;color:#bac7cd;line-height:1.5}.map-foot b{color:white;font-weight:500}.annotation{font-size:13px;color:#a0b2be;margin-top:16px;max-width:410px;line-height:1.5}.section{padding:84px 0}.section-top{display:flex;justify-content:space-between;align-items:start;gap:50px;margin-bottom:42px}.section-top h2{max-width:620px;margin-bottom:0}.section-top p{max-width:310px;font-size:16px;color:var(--muted);margin:8px 0 0}.section .kicker{color:var(--muted);margin-bottom:18px}.chapter-list{border-top:1px solid var(--line)}.chapter-row{display:grid;grid-template-columns:64px 1fr 1fr 28px;gap:20px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line);text-decoration:none}.chapter-row .num{font-family:monospace;font-size:14px;color:var(--muted)}.chapter-row h3{font-size:23px;margin:0}.chapter-row p{font-size:15px;color:var(--muted);margin:0}.chapter-row .arrow{font-size:24px;transition:transform .2s}.chapter-row:hover .arrow{transform:translateX(4px)}.chapter-row:hover h3{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:6px}.principle{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.principle-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}.principle-grid p{color:var(--muted);max-width:520px}.principle-grid h2{font-size:clamp(2.5rem,4.5vw,4rem)}.rule-stack{border-top:1px solid #c6cfd5}.rule{padding:22px 0;border-bottom:1px solid #c6cfd5;display:grid;grid-template-columns:30px 1fr;gap:16px}.rule .num{font:13px monospace;color:var(--muted);padding-top:5px}.rule h3{font-size:20px;margin:0 0 7px}.rule p{font-size:16px;margin:0}.closing{background:var(--lime);padding:56px 0}.closing .wrap{display:flex;align-items:center;justify-content:space-between;gap:40px}.closing h2{font-size:38px;margin:0 0 8px}.closing p{margin:0;max-width:600px;font-size:17px}.closing .button{background:var(--ink);color:white;white-space:nowrap}.site-footer{background:var(--deep);color:#adbbc6;padding:40px 0;font-size:14px}.footer-row{display:flex;align-items:center;justify-content:space-between;gap:25px}.footer-links{display:flex;gap:24px;flex-wrap:wrap}.footer-links a{text-decoration:none}.footer-note{border-top:1px solid #ffffff26;margin-top:28px;padding-top:22px;font-size:12px;color:#91a4b1;letter-spacing:.03em}.reading-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:68px;padding-top:48px;padding-bottom:90px}.chapter-nav{align-self:start;position:sticky;top:28px;border-right:1px solid var(--line);padding-right:25px}.chapter-nav .kicker{font-size:12px;color:var(--muted)}.chapter-nav a{display:grid;grid-template-columns:22px 1fr;gap:12px;font-size:14px;line-height:1.45;text-decoration:none;padding:12px 8px;margin:2px 0}.chapter-nav a span{font:12px monospace;padding-top:2px;color:var(--muted)}.chapter-nav a[aria-current=page]{background:var(--ink);color:white}.chapter-nav a[aria-current=page] span{color:var(--lime)}.chapter-nav a:hover:not([aria-current]){background:var(--soft)}.chapter-nav .nav-resources{display:block;border-top:1px solid var(--line);margin-top:20px;padding-top:22px}.mobile-contents{display:none}.article{max-width:750px;min-width:0}.article .kicker{color:var(--muted);margin-top:6px;margin-bottom:16px}.article h1{font-size:clamp(2.8rem,4.5vw,4.1rem);line-height:1.08;margin-bottom:20px}.article .standfirst{font-size:21px;line-height:1.6;color:var(--muted);padding-bottom:34px;border-bottom:1px solid var(--line);margin-bottom:38px}.article h2{font-size:29px;margin:44px 0 18px;letter-spacing:-.025em;scroll-margin-top:30px}.article h3{font-size:23px;margin-top:32px}.article p,.article li{font-size:18px;line-height:1.8}.article strong{font-weight:700}.callout{border-left:4px solid var(--ink);background:var(--soft);padding:24px 28px;margin:30px 0}.callout .label{font:12px monospace;text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px;color:var(--muted)}.callout p{margin:0;font-size:17px}.callout.lime{background:#f0fbcf;border-color:#8eae28}.table-scroll{overflow:auto;margin:28px 0}table{width:100%;border-collapse:collapse;font-size:15px;text-align:left}th,td{border-bottom:1px solid var(--line);padding:16px 14px;vertical-align:top}th{background:var(--soft);font-weight:600;font-size:14px}td:first-child{font-weight:600}blockquote{margin:32px 0;padding:6px 0 6px 26px;border-left:3px solid #a4c44d;font-family:var(--title);font-size:26px;line-height:1.4}.source-note{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}.source-note p{font-size:14px;line-height:1.65}.next-chapter{display:flex;justify-content:space-between;align-items:center;gap:25px;background:var(--ink);color:white;padding:28px 30px;margin-top:40px;text-decoration:none}.next-chapter small{display:block;color:#b5c5cf;font:12px monospace;letter-spacing:.06em;text-transform:uppercase;margin-bottom:5px}.next-chapter strong{font-family:var(--title);font-size:23px;font-weight:500}.page-hero{background:var(--deep);color:white;padding:65px 0}.page-hero h1{font-size:clamp(3rem,5vw,4.75rem);margin-bottom:18px}.page-hero p{max-width:700px;color:#b6c6d0;font-size:20px}.page-hero .kicker{color:var(--lime);margin-bottom:20px}.template-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.template-card{border-top:2px solid var(--ink);background:var(--soft);padding:28px;display:flex;flex-direction:column}.template-card .kicker{font-size:12px}.template-card h3{font-size:24px;margin-bottom:15px}.template-card p{font-size:16px;color:var(--muted);flex:1}.template-card a{font-size:15px;font-weight:600}.split-notes{display:grid;grid-template-columns:1fr 1fr;gap:50px;border-top:1px solid var(--line);margin-top:64px;padding-top:36px}.split-notes h3{font-size:22px}.split-notes p{color:var(--muted);font-size:16px}.about-layout{max-width:840px;padding-top:65px;padding-bottom:80px}.about-layout h2{font-size:31px;margin:40px 0 20px}.about-layout li{margin-bottom:12px}.source-list a{font-weight:600}.source-list p{font-size:16px;color:var(--muted);margin-top:5px}.status-label{display:inline-block;padding:3px 8px;font:12px monospace;letter-spacing:.04em;border:1px solid var(--line);margin-bottom:14px}.lead-band{border-top:1px solid var(--line);padding-top:28px;margin-top:36px}
@media(min-width:1500px){.hero h1{font-size:104px}}
@media(max-width:1100px){.wrap{padding:0 32px}.hero-grid{gap:35px;grid-template-columns:1.1fr 1fr}.hero h1{font-size:clamp(3.8rem,7vw,5rem)}.method-map{padding:22px}.map-list strong{font-size:19px}.map-list li{padding:18px 14px}.reading-layout{grid-template-columns:220px minmax(0,1fr);gap:40px}.principle-grid{gap:45px}.template-grid{grid-template-columns:1fr 1fr}.chapter-row{grid-template-columns:42px 1fr 1fr 24px;gap:15px}}
@media(max-width:760px){.wrap{padding:0 22px}.topbar{height:74px}.brand{font-size:19px}.topbar .edition{display:none}.menu-toggle{display:block;font-size:14px}.topnav{display:none;position:absolute;top:73px;left:0;right:0;background:var(--deep);padding:22px;z-index:10;border-bottom:1px solid #ffffff40;gap:25px;flex-wrap:wrap}.topnav.open{display:flex}.hero-grid{grid-template-columns:1fr;padding-top:46px;padding-bottom:46px;gap:45px}.hero h1{font-size:clamp(3.7rem,13vw,5rem)}.hero .intro{font-size:18px;max-width:100%}.hero .kicker{font-size:12px}.actions{gap:20px}.method-map{padding:22px}.annotation{max-width:100%}.section{padding:52px 0}.section-top{display:block;margin-bottom:28px}.section-top p{max-width:100%;margin-top:20px}.chapter-row{grid-template-columns:30px 1fr 20px;padding:22px 0;column-gap:16px;row-gap:8px}.chapter-row h3{font-size:21px}.chapter-row p{grid-column:2;grid-row:2;font-size:14px}.chapter-row .arrow{grid-column:3;grid-row:1 / span 2}.principle-grid{grid-template-columns:1fr;gap:24px}.principle-grid h2{font-size:40px}.closing{padding:40px 0}.closing .wrap{display:block}.closing h2{font-size:33px}.closing .button{margin-top:25px}.footer-row{align-items:start;flex-direction:column;gap:22px}.footer-links{font-size:14px;gap:20px}.reading-layout{display:block;padding-top:28px;padding-bottom:55px}.chapter-nav{display:none}.mobile-contents{display:block;border:1px solid var(--line);margin-bottom:30px;font-size:15px}.mobile-contents summary{padding:13px 16px;cursor:pointer;font-weight:600}.mobile-contents nav{padding:0 12px 12px}.mobile-contents a{display:block;padding:8px;font-size:14px;text-decoration:none}.mobile-contents a[aria-current]{font-weight:700;background:var(--soft)}.article h1{font-size:42px}.article .standfirst{font-size:19px;padding-bottom:25px}.article p,.article li{font-size:17px}.article h2{font-size:27px;margin-top:36px}.callout{padding:20px}.next-chapter{padding:22px}.next-chapter strong{font-size:21px}.page-hero{padding:42px 0}.page-hero p{font-size:18px}.template-grid{grid-template-columns:1fr}.template-card{padding:24px}.split-notes{grid-template-columns:1fr;gap:20px;margin-top:40px}.about-layout{padding-top:38px;padding-bottom:50px}td,th{padding:12px 10px}table{min-width:460px}pre{padding:18px;font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{.topbar,.site-footer,.chapter-nav,.mobile-contents,.next-chapter,.closing{display:none}.reading-layout{display:block}.wrap{padding:0}.article{max-width:none}.article h1{font-size:32px}body{font-size:12pt}a{text-decoration:none}.callout{break-inside:avoid}}

.standard-intro{background:var(--soft);border-bottom:1px solid var(--line)}.standard-links{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}.standard-links a{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #c7d1d8;padding:20px 0;font-size:18px;font-weight:600;text-decoration:none}.standard-links a:hover{text-decoration:underline}.standard-nav a{display:block}.canon-origin{font-size:14px!important;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:22px;overflow-wrap:anywhere}.canon h1{font-size:44px;margin-top:28px}.canon h2{line-height:1.25}.canon li p{margin-bottom:.6rem}.canon a{overflow-wrap:anywhere}.template-actions{display:flex;flex-wrap:wrap;gap:10px 20px}.template-actions a{font-size:14px}.page-hero .button{margin-top:15px}.table-scroll:focus-visible{outline:3px solid #426b00;outline-offset:5px}@media(max-width:760px){.standard-links{grid-template-columns:1fr}.canon h1{font-size:35px}.topnav{gap:20px}.hero h1{font-size:clamp(3.4rem,12vw,5rem)}}