@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Roboto+Mono:wght@400;500;600&display=swap');

:root{--ink:#171918;--charcoal:#202321;--panel:#f4f1e9;--paper:#fbf9f3;--line:#d9d3c6;--muted:#686b66;--brass:#a77a31;--brass-bright:#d9ad5b;--warning:#a34330;--shell:1220px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,system-ui,sans-serif;line-height:1.65}
a{color:inherit;text-decoration:none}
.shell{width:min(calc(100% - 40px),var(--shell));margin-inline:auto}
.skip-link{position:fixed;z-index:100;top:10px;left:10px;padding:10px 14px;background:#fff;color:#000;transform:translateY(-150%)}
.skip-link:focus{transform:none}
.reading-progress{position:fixed;z-index:80;inset:0 auto auto 0;width:0;height:3px;background:var(--brass-bright)}
.site-header{position:sticky;z-index:50;top:0;background:rgba(23,25,24,.96);color:#eeeae0;border-bottom:1px solid #373a37;backdrop-filter:blur(15px)}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:baseline;gap:16px}.brand span{font-size:23px;font-weight:800;letter-spacing:.08em}.brand small{font:500 10px Roboto Mono,monospace;letter-spacing:.11em;text-transform:uppercase;color:#aeb0aa}
.site-header nav,.footer-inner nav{display:flex;align-items:center;gap:24px}.site-header nav a{font-size:13px;font-weight:700;color:#c1c3be}.site-header nav a:hover,.site-header nav a.active{color:var(--brass-bright)}
.hero{background:var(--charcoal);color:#f5f1e8;padding:88px 0 74px;border-bottom:1px solid #353936}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(330px,.75fr);gap:70px;align-items:end}
.eyebrow,.contents-label,.chapter-number{font:600 11px Roboto Mono,monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--brass-bright)}
h1{font-size:clamp(48px,7vw,88px);line-height:.98;letter-spacing:-.055em;margin:18px 0 28px;max-width:820px}h1 em{font-family:Georgia,serif;font-weight:400;color:var(--brass-bright)}
.hero-copy{max-width:700px;color:#c7c9c3;font-size:18px}.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.hero-meta span{border:1px solid #464a46;padding:7px 10px;font:500 10px Roboto Mono,monospace;text-transform:uppercase;letter-spacing:.06em;color:#c7c9c3}
.search-panel{background:#292d2a;border:1px solid #424742;padding:28px}.search-panel label{display:block;font-size:13px;font-weight:800;margin-bottom:10px}.search-box{display:flex;align-items:center;background:#f8f6f0;color:#171918;padding-left:14px}.search-box input{min-width:0;width:100%;height:54px;border:0;outline:0;background:transparent;font:500 15px Manrope,sans-serif}.search-box button{align-self:stretch;border:0;border-left:1px solid #d9d3c6;background:var(--brass);color:#fff;padding:0 18px;font:700 12px Manrope,sans-serif;cursor:pointer}.search-box button:hover{background:#8f6728}.search-panel p{color:#aeb1ab;font-size:12px;margin:10px 0 0}.search-panel select{display:none;width:100%;height:50px;margin-top:18px;padding:0 12px;background:#f8f6f0;border:0;font:600 14px Manrope,sans-serif}
.manual-layout{display:grid;grid-template-columns:285px minmax(0,1fr);gap:70px;padding-block:70px 100px;align-items:start}
.contents{position:sticky;top:106px;max-height:calc(100vh - 126px);overflow:auto;padding-right:18px}.contents-label{color:var(--brass);margin:0 0 14px}.contents nav{display:flex;flex-direction:column}.contents a{display:grid;grid-template-columns:34px 1fr;gap:7px;padding:9px 8px;border-left:2px solid transparent;color:#555953;font-size:12px;line-height:1.35}.contents a span{font:500 10px Roboto Mono,monospace;color:#92958f}.contents a:hover,.contents a.active{background:#eee9dd;border-left-color:var(--brass);color:#171918}
.chapter{padding:0 0 72px;margin:0 0 72px;border-bottom:1px solid var(--line)}.chapter:last-child{border-bottom:0}.chapter-header{margin-bottom:42px}.chapter h2{font-size:clamp(36px,5vw,60px);line-height:1.05;letter-spacing:-.04em;margin:12px 0 15px}.chapter-summary{font-size:18px;color:var(--muted);max-width:720px}.manual-section{margin:32px 0}.manual-section h3{font-size:22px;line-height:1.25;margin:0 0 12px}.manual-section p{max-width:780px;color:#454843}.manual-section ol,.manual-section ul{padding-left:26px;max-width:790px}.manual-section li{padding:5px 0 5px 7px}.manual-section li::marker{color:var(--brass);font-weight:800}
.callout{margin:36px 0;padding:20px 22px;border-left:4px solid var(--brass);background:#eee8da}.callout.warning{border-color:var(--warning);background:#f5e8e4}.callout strong{font:700 11px Roboto Mono,monospace;text-transform:uppercase;letter-spacing:.1em}.callout p{margin:6px 0 0}.back-link{display:inline-block;margin-top:22px;font:600 11px Roboto Mono,monospace;text-transform:uppercase;letter-spacing:.08em;color:var(--brass)}
.glossary dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:35px 0}.term{padding:20px;background:var(--panel);border:1px solid var(--line)}.term dt{font-weight:800;font-size:16px}.term dd{margin:5px 0 0;color:#5f625d;font-size:14px}.no-results{padding:44px;background:#f1ede3;border:1px solid var(--line);margin-bottom:60px}.no-results h2{font-size:34px;margin:0}.no-results button{border:0;background:var(--ink);color:#fff;padding:12px 18px;font:700 13px Manrope,sans-serif;cursor:pointer}
footer{background:var(--ink);color:#d2d4cf;padding:45px 0}.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:40px}.footer-inner strong{font-size:22px;letter-spacing:.08em}.footer-inner p{font-size:12px;color:#8f928c}.footer-inner nav{flex-wrap:wrap}.footer-inner a{font-size:12px;color:#aeb0aa}.footer-inner a:hover{color:var(--brass-bright)}
[hidden]{display:none!important}.is-filtered{display:none}
:focus-visible{outline:3px solid var(--brass-bright);outline-offset:3px}
@media(max-width:900px){.hero{padding:65px 0}.hero-grid{grid-template-columns:1fr;gap:36px}.manual-layout{grid-template-columns:1fr;padding-top:45px}.contents{position:static;display:none}.search-panel select{display:block}.glossary dl{grid-template-columns:1fr}.site-header nav{gap:14px}.site-header nav a{font-size:12px}.brand small{display:none}}
@media(max-width:600px){.shell{width:min(calc(100% - 26px),var(--shell))}.header-inner{height:66px}.site-header nav a:nth-child(2){display:none}.hero{padding:48px 0}.hero-copy{font-size:16px}.search-panel{padding:20px}.manual-layout{padding-bottom:70px}.chapter{padding-bottom:50px;margin-bottom:50px}.chapter-header{margin-bottom:28px}.manual-section h3{font-size:20px}.footer-inner{flex-direction:column}.footer-inner nav{gap:16px}}
@media print{.site-header,.reading-progress,.search-panel,.contents,.back-link,footer{display:none!important}.hero{background:#fff;color:#000;padding:20px 0}.hero-copy{color:#333}.hero-grid,.manual-layout{display:block}.chapter{break-before:page}.chapter:first-child{break-before:auto}.manual-copy{width:100%}.callout{break-inside:avoid}.glossary dl{grid-template-columns:1fr 1fr}.shell{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}