:root{color-scheme:light;--ink:#192b32;--muted:#52666e;--paper:#f4f2ec;--line:#d6ddd9;--accent:#2d6859;--warm:#d8ae70}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.7 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:var(--accent);text-underline-offset:.22em}a:hover{color:#163d32}a:focus-visible{outline:3px solid var(--warm);outline-offset:5px}.wrap{width:min(1100px,calc(100% - 44px));margin:auto}.skip{position:absolute;left:16px;top:-100px;padding:8px 15px;background:white;z-index:10}.skip:focus{top:12px}header{border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:92px}.brand{font-size:22px;font-weight:750;letter-spacing:-.04em;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:12px}.brand img{width:34px;height:34px}nav{display:flex;gap:25px;flex-wrap:wrap}nav a{font-size:14px;color:var(--muted);text-decoration:none}nav a[aria-current=page]{color:var(--accent);text-decoration:underline}.hero{padding:80px 0 65px;display:grid;grid-template-columns:1.35fr 1fr;gap:55px;align-items:center}.eyebrow{color:var(--accent);font-size:12px;font-weight:750;letter-spacing:.16em;text-transform:uppercase;margin:0 0 18px}h1,h2,h3{line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(38px,5.5vw,66px);font-weight:650;margin:0 0 25px;max-width:750px}h2{font-size:30px;font-weight:650;margin:0 0 20px}h3{font-size:22px;font-weight:650;margin:0 0 13px}p{margin:0 0 20px}.lead{color:var(--muted);font-size:19px;max-width:620px}.button{display:inline-block;background:var(--accent);color:white;text-decoration:none;padding:12px 22px;border-radius:3px;font-size:15px;font-weight:650}.button:hover{background:#1b4a3c;color:white}.drawing{min-height:325px;background:#e4e9e3;border:1px solid var(--line);position:relative;overflow:hidden;display:grid;place-items:center}.drawing::before{content:"";position:absolute;inset:0;background-image:linear-gradient(#79998b22 1px,transparent 1px),linear-gradient(90deg,#79998b22 1px,transparent 1px);background-size:24px 24px}.beam{position:relative;width:145px;height:210px;border-top:25px solid var(--accent);border-bottom:25px solid var(--accent);transform:rotate(-20deg);filter:drop-shadow(12px 15px 0 #2d685914)}.beam::after{content:"";position:absolute;left:59px;top:0;height:160px;width:27px;background:var(--accent)}.drawing-note{position:absolute;bottom:16px;left:20px;font-size:11px;letter-spacing:.12em;color:var(--accent)}.section{padding:50px 0 65px;border-top:1px solid var(--line)}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:30px;margin-bottom:26px}.section-head h2{margin:0}.section-head p{margin:0;color:var(--muted);font-size:14px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{border:1px solid var(--line);background:#faf9f5;padding:29px;display:flex;flex-direction:column}.card .number{font-size:12px;color:var(--accent);margin-bottom:25px;letter-spacing:.1em}.card p{color:var(--muted);font-size:15px;flex:1}.card a{font-size:14px;font-weight:650}.note{border-left:3px solid var(--warm);padding:14px 22px;background:#ebe9e1;color:var(--muted);font-size:15px}.note p:last-child{margin:0}.page-head{padding:65px 0 40px}.page-head h1{font-size:clamp(36px,4.5vw,54px)}.article-layout{display:grid;grid-template-columns:230px 1fr;gap:65px;padding-bottom:70px}.toc{font-size:14px;align-self:start;position:sticky;top:25px;border-top:2px solid var(--accent);padding-top:20px}.toc strong{display:block;margin-bottom:12px}.toc a{display:block;margin:9px 0}.prose{max-width:730px}.prose section{padding:27px 0;border-top:1px solid var(--line);scroll-margin-top:25px}.prose section:first-child{padding-top:0;border:0}.prose h2{font-size:29px}.prose ul{padding-left:23px;margin:0 0 23px}.prose li{margin:8px 0}.table-scroll{overflow:auto;margin:25px 0}table{width:100%;border-collapse:collapse;font-size:14px;min-width:470px}th,td{text-align:left;vertical-align:top;padding:13px 14px;border:1px solid var(--line)}th{background:#e4e9e3}footer{border-top:1px solid var(--line);padding:30px 0 35px;color:var(--muted);font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:25px}.footer-inner p{margin:0}.narrow{max-width:730px;padding-bottom:70px}.not-found{padding:90px 0 110px}.not-found h1{font-size:clamp(38px,5vw,58px)}@media(max-width:760px){.header-inner{align-items:flex-start;flex-direction:column;gap:15px;padding:22px 0}nav{gap:18px}.hero{grid-template-columns:1fr;padding:45px 0;gap:30px}.drawing{min-height:250px}.beam{transform:rotate(-20deg) scale(.8)}.cards{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:12px}.article-layout{grid-template-columns:1fr;gap:30px}.toc{position:static}.toc a{display:inline-block;margin:5px 15px 5px 0}.footer-inner{display:block}.footer-inner p+p{margin-top:10px}.wrap{width:calc(100% - 36px)}.page-head{padding-top:42px}.section{padding:35px 0 45px}}
