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

:root{--paper:#f1eee6;--paper-2:#e6e2d8;--white:#fffdf8;--ink:#202827;--blue:#18394a;--blue-2:#234f63;--clay:#c85c36;--lime:#d5df58;--line:#b8b9b1;--muted:#66706d;--shadow:0 18px 50px rgba(24,57,74,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,Arial,sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(1180px,calc(100% - 40px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}
.datum-bar{background:var(--ink);color:#c9d1ce;font:500 11px/1 IBM Plex Mono,monospace;letter-spacing:.14em;text-transform:uppercase}.datum-bar .shell{min-height:32px;display:flex;align-items:center;justify-content:space-between}.site-header{background:rgba(241,238,230,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.header-row{height:86px;display:flex;align-items:center;gap:36px}.brand{display:flex;align-items:center;gap:12px;margin-right:auto}.brand-mark{width:42px;height:42px;border:2px solid var(--ink);display:grid;place-items:center;font:800 24px/1 Manrope,sans-serif;position:relative}.brand-mark i{position:absolute;width:15px;height:4px;background:var(--clay);right:-7px;bottom:6px}.brand>span:last-child{display:flex;flex-direction:column}.brand b{font-size:17px;letter-spacing:.13em;line-height:1.1}.brand small{font:500 10px/1.6 IBM Plex Mono,monospace;letter-spacing:.08em;color:var(--muted)}.main-nav{display:flex;align-items:center;gap:30px}.main-nav a{font-size:13px;font-weight:700}.main-nav a:hover{color:var(--clay)}.header-link{background:var(--blue);color:#fff;padding:13px 17px;font-size:12px;font-weight:700;letter-spacing:.04em}.header-link span{color:var(--lime);margin-left:10px}.nav-toggle{display:none;background:none;border:0;padding:8px}.nav-toggle i{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0}
.hero{padding:68px 0 0;background:linear-gradient(90deg,transparent 0 49.9%,rgba(24,57,74,.05) 50%);border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:68px;align-items:center;padding-bottom:62px}.eyebrow{margin:0 0 20px;font:600 11px/1 IBM Plex Mono,monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--clay)}.eyebrow span{display:inline-grid;place-items:center;width:30px;height:22px;margin-right:10px;background:var(--clay);color:#fff;letter-spacing:0}.eyebrow.dark{color:var(--blue)}.eyebrow.dark span{background:var(--blue)}.eyebrow.light{color:#fff}.eyebrow.light span{background:var(--lime);color:var(--ink)}.hero h1{font-size:clamp(42px,5.4vw,68px);line-height:.98;letter-spacing:-.055em;margin:0 0 26px;max-width:700px}.hero-lead{font-size:18px;line-height:1.6;max-width:570px;color:#4e5956;margin:0}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:34px}.hero-actions>a:not(.button){font-size:12px;font-weight:700;border-bottom:1px solid var(--ink)}.button{display:inline-flex;gap:20px;align-items:center;background:var(--clay);color:#fff;padding:15px 20px;font-size:12px;font-weight:800;letter-spacing:.05em}.button span{color:var(--lime)}
.blueprint{background:var(--blue);color:#fff;box-shadow:var(--shadow);position:relative;min-height:440px;overflow:hidden}.blueprint:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:24px 24px}.blueprint-head,.blueprint-note{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;font:500 10px/1 IBM Plex Mono,monospace;letter-spacing:.12em}.blueprint-head{padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.2)}.blueprint-head b{color:var(--lime)}.blueprint svg{position:relative;z-index:1;width:100%;height:auto;display:block;padding:8px 18px}.blueprint path{fill:none;vector-effect:non-scaling-stroke}.blueprint .thin{stroke:rgba(255,255,255,.25);stroke-width:1}.blueprint .strong{stroke:#f8f5ed;stroke-width:3}.blueprint .accent{stroke:var(--lime);stroke-width:2}.blueprint .ticks{stroke:var(--clay);stroke-width:2}.blueprint text{fill:#fff;font:500 12px IBM Plex Mono,monospace}.blueprint-note{padding:15px 20px;background:var(--clay)}.blueprint-note span{opacity:.85}.facts{display:grid;grid-template-columns:repeat(3,180px) 1fr;border-top:1px solid var(--line)}.facts>div{display:flex;align-items:center;gap:12px;padding:20px;border-right:1px solid var(--line)}.facts b{font-size:28px;line-height:1;color:var(--blue)}.facts span{font:500 10px/1.35 IBM Plex Mono,monospace;text-transform:uppercase;color:var(--muted)}.facts>p{margin:0;padding:20px 0 20px 30px;align-self:center;font-size:13px;color:var(--muted)}
.directions{padding:95px 0;background:var(--white)}.section-head{display:grid;grid-template-columns:1fr 360px;gap:50px;align-items:end;margin-bottom:44px}.section-head h2,.materials-head h2,.library h2,.checklist h2{font-size:clamp(34px,4vw,50px);line-height:1.05;letter-spacing:-.045em;margin:0}.section-head>p{font-size:14px;color:var(--muted);margin:0}.direction-grid{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--ink);border-left:1px solid var(--line)}.direction-grid button{appearance:none;text-align:left;background:transparent;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:180px;padding:18px;position:relative;cursor:pointer;color:var(--ink)}.direction-grid button:hover,.direction-grid button.is-active{background:var(--lime)}.direction-grid span{display:block;font:500 10px IBM Plex Mono,monospace;color:var(--muted)}.direction-grid b{display:block;font-size:19px;margin-top:45px}.direction-grid small{display:block;font:400 10px IBM Plex Mono,monospace;color:var(--muted);margin-top:6px}.direction-grid i{position:absolute;right:16px;top:16px;font-style:normal;color:var(--clay)}
.materials{padding:95px 0;background:var(--blue);color:#fff}.materials-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:42px}.search{display:flex;width:min(410px,100%);border-bottom:1px solid rgba(255,255,255,.5)}.search input{width:100%;background:transparent;border:0;outline:0;color:#fff;padding:12px 2px}.search input::placeholder{color:rgba(255,255,255,.55)}.search b{font:600 10px IBM Plex Mono,monospace;color:var(--lime);align-self:center}.featured-card{display:grid;grid-template-columns:1.15fr 1fr;background:var(--paper);color:var(--ink);min-height:400px}.featured-media{min-height:360px;background:#d6d7cf;overflow:hidden}.featured-media>img{width:100%;height:100%;object-fit:cover;display:block}.material-sample{height:100%;min-height:360px;position:relative;background:repeating-linear-gradient(135deg,#c9cbc3 0 8px,#dfe0d9 8px 16px);overflow:hidden}.material-sample span{position:absolute;width:70%;height:65%;left:12%;top:18%;border:14px solid var(--ink);border-bottom-width:28px;transform:perspective(700px) rotateY(18deg)}.material-sample i{position:absolute;width:34%;height:36%;left:30%;top:32%;border:4px solid var(--clay);background:rgba(255,255,255,.55)}.material-sample b{position:absolute;right:20px;bottom:16px;font:600 12px IBM Plex Mono,monospace}.featured-copy{padding:48px}.featured-copy small,.material-card small,.guide-list small{font:500 10px IBM Plex Mono,monospace;letter-spacing:.1em;color:var(--clay)}.featured-copy h3{font-size:34px;line-height:1.12;letter-spacing:-.035em;margin:18px 0}.featured-copy p{color:var(--muted);font-size:14px}.text-link{display:inline-flex;gap:18px;margin-top:18px;font-size:12px;font-weight:800;border-bottom:1px solid var(--ink)}.text-link span{color:var(--clay)}.material-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:1px;gap:1px;background:rgba(255,255,255,.14)}.material-card{background:#1e4355;padding:26px;min-height:310px;position:relative;display:flex;flex-direction:column}.material-card img{width:calc(100% + 52px);height:170px;object-fit:cover;margin:-26px -26px 24px}.card-index{position:absolute;right:18px;top:14px;z-index:2;color:var(--lime);font:500 11px IBM Plex Mono,monospace}.material-card h3{font-size:21px;line-height:1.22;margin:14px 0}.material-card p{font-size:13px;color:#c3cfd1;margin:0 0 22px}.material-card>a{margin-top:auto;font:600 10px IBM Plex Mono,monospace;color:var(--lime)}.empty{padding:30px;border:1px solid rgba(255,255,255,.25);color:inherit}
.library{padding:100px 0;background:var(--paper)}.library-grid{display:grid;grid-template-columns:360px 1fr;gap:80px}.library header>p:not(.eyebrow){color:var(--muted);font-size:14px}.section-mark{width:170px;height:120px;margin-top:42px;position:relative;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue)}.section-mark span{position:absolute;width:75px;height:75px;left:25px;bottom:0;border:2px solid var(--clay);border-radius:50%}.section-mark i{position:absolute;width:110px;height:2px;background:var(--blue);left:0;top:28px;transform:rotate(-35deg)}.section-mark b{position:absolute;right:0;top:0;font:500 11px IBM Plex Mono,monospace}.guide-list{border-top:1px solid var(--ink)}.guide-list>a{display:grid;grid-template-columns:44px 1fr 30px;gap:15px;align-items:center;padding:20px 4px;border-bottom:1px solid var(--line)}.guide-list>a:hover{background:var(--white)}.guide-list>a>span,.guide-list>a>b{font:500 11px IBM Plex Mono,monospace;color:var(--clay)}.guide-list>a>b{text-align:right;font-size:18px}.guide-list h3{font-size:17px;line-height:1.3;margin:5px 0 0}.guide-list .empty{border-color:var(--line)}
.checklist{padding:85px 0;background:var(--ink);color:#fff}.checklist-grid{display:grid;grid-template-columns:340px 1fr;gap:80px}.checklist ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #59615f;border-left:1px solid #59615f}.checklist li{display:grid;grid-template-columns:46px 1fr;gap:15px;padding:22px;border-right:1px solid #59615f;border-bottom:1px solid #59615f}.checklist li>b{font:500 11px IBM Plex Mono,monospace;color:var(--lime)}.checklist li span{font-size:12px;color:#b8c0bd}.checklist li strong{display:block;font-size:15px;color:#fff;margin-bottom:4px}
.content-page{padding:55px 0 100px;min-height:70vh}.page-grid{display:grid;grid-template-columns:160px 1fr;gap:54px}.page-aside{border-right:1px solid var(--line);padding-right:30px}.page-symbol{display:flex;align-items:center;gap:10px}.page-symbol b{font-size:56px;line-height:1;color:var(--blue)}.page-symbol span{font:500 10px IBM Plex Mono,monospace;color:var(--clay)}.vertical-rule{height:300px;margin:45px 0 0 20px;border-left:2px solid var(--blue);display:flex;flex-direction:column;justify-content:space-between;position:relative}.vertical-rule i{position:absolute;width:9px;height:9px;background:var(--clay);left:-5px;top:42%}.vertical-rule span{font:500 9px IBM Plex Mono,monospace;margin-left:10px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;font:500 10px IBM Plex Mono,monospace;color:var(--muted);margin-bottom:35px}.article{max-width:860px}.article-head{padding-bottom:34px;border-bottom:1px solid var(--line)}.article-head h1{font-size:clamp(38px,5vw,62px);line-height:1.03;letter-spacing:-.05em;margin:0}.article-head>p:last-child:not(.eyebrow){font-size:18px;color:var(--muted);max-width:720px}.article-body{padding-top:32px;font-size:16px;line-height:1.75}.article-body h2,.article-body h3{line-height:1.2;margin-top:1.8em}.article-body h2{font-size:30px}.article-body img{max-width:100%;height:auto;display:block;margin:28px 0}.article-body .legacy-image{margin:28px 0}.article-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}.article-body td,.article-body th{padding:10px;border:1px solid var(--line)}.article-body a{color:var(--clay);text-decoration:underline}.article-foot{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:50px;padding-top:18px;font:500 10px IBM Plex Mono,monospace;color:var(--muted)}
.site-footer{background:var(--blue);color:#fff;padding:55px 0}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr auto;gap:55px;align-items:start}.brand.inverse .brand-mark{border-color:#fff}.brand.inverse small{color:#bac8cd}.footer-grid>p{margin:0;color:#bac8cd;font-size:13px}.footer-grid nav{display:flex;flex-direction:column;gap:8px;font-size:12px}.footer-grid>span{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.2);padding-top:18px;font:500 10px IBM Plex Mono,monospace;color:#9fb1b8}.cookie-banner{position:fixed;right:20px;bottom:20px;z-index:50;width:min(500px,calc(100% - 40px));display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px;background:var(--white);color:var(--ink);box-shadow:0 12px 50px rgba(0,0,0,.22);border-top:4px solid var(--clay)}.cookie-banner p{font-size:11px;margin:3px 0 0;color:var(--muted)}.cookie-banner>div:last-child{display:flex;gap:8px}.cookie-banner button{border:1px solid var(--ink);background:transparent;padding:8px 11px;font-size:10px;font-weight:700}.cookie-banner button.accept{background:var(--blue);color:#fff}
@media(max-width:900px){.main-nav,.header-link{display:none}.nav-toggle{display:block}.main-nav.is-open{display:flex;position:absolute;left:0;right:0;top:86px;background:var(--paper);padding:22px 20px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}.hero-grid{grid-template-columns:1fr;gap:45px}.facts{grid-template-columns:repeat(3,1fr)}.facts>p{grid-column:1/-1;padding-left:20px}.direction-grid{grid-template-columns:repeat(2,1fr)}.direction-grid button:last-child{grid-column:1/-1}.section-head{grid-template-columns:1fr}.material-grid{grid-template-columns:1fr 1fr}.library-grid,.checklist-grid{grid-template-columns:1fr;gap:45px}.section-mark{display:none}.page-grid{grid-template-columns:1fr}.page-aside{display:none}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid nav{grid-column:2}.footer-grid>span{grid-column:1/-1}}
@media(max-width:640px){.shell{width:min(100% - 26px,1180px)}.datum-bar span:last-child{display:none}.header-row{height:72px}.main-nav.is-open{top:72px}.brand b{font-size:14px}.hero{padding-top:44px;background:none}.hero-grid{padding-bottom:42px}.hero h1{font-size:42px}.hero-lead{font-size:16px}.hero-actions{align-items:flex-start;flex-direction:column}.blueprint{min-height:0}.blueprint-note span{display:none}.facts{grid-template-columns:1fr 1fr}.facts>div:nth-child(3){border-top:1px solid var(--line)}.directions,.materials,.library{padding:68px 0}.direction-grid{grid-template-columns:1fr}.direction-grid button:last-child{grid-column:auto}.direction-grid button{min-height:130px}.direction-grid b{margin-top:24px}.materials-head{display:block}.search{margin-top:28px}.featured-card{grid-template-columns:1fr}.featured-media,.material-sample{min-height:250px}.featured-copy{padding:28px}.featured-copy h3{font-size:27px}.material-grid{grid-template-columns:1fr}.checklist{padding:65px 0}.checklist ol{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid nav{grid-column:auto}.cookie-banner{display:block}.cookie-banner>div:last-child{margin-top:12px}.article-head h1{font-size:38px}.article-foot{align-items:flex-start;flex-direction:column}}