:root{--bg:#0e0e0e;--card:#0f0000;--ink:#f9f5cb;--chrome:#f2f2f2;--border:#272727;--muted:#a1928b;--signal:#ff5718;--mono:'Roboto Mono',monospace;color-scheme:dark}
@media(prefers-color-scheme:light){:root{--bg:#f7f5f0;--card:#eae8e2;--ink:#0e0e0e;--chrome:#272727;--border:#dbd8cf;--muted:#8a7a6d;color-scheme:light}}
:root[data-theme=dark]{--bg:#0e0e0e;--card:#0f0000;--ink:#f9f5cb;--chrome:#f2f2f2;--border:#272727;--muted:#a1928b;color-scheme:dark}:root[data-theme=light]{--bg:#f7f5f0;--card:#eae8e2;--ink:#0e0e0e;--chrome:#272727;--border:#dbd8cf;--muted:#8a7a6d;color-scheme:light}
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@media(max-width:1000px){header{padding:0 32px}section{padding:55px 32px}.hero{padding-bottom:0}.story,.environment,.hero-bottom{gap:40px}.three article{padding:24px}.three h3{font-size:20px}footer{padding:32px;flex-wrap:wrap}.theme{top:106px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.text-link{text-decoration:underline;text-underline-offset:5px}.partnership{flex-wrap:wrap}

.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.problem-grid h3{margin-bottom:18px}.problem-grid p,.example-note{font-size:17px}.example-note{margin-top:32px;color:var(--ink)}.principles{display:flex;gap:36px;flex-wrap:wrap;margin:28px 0 40px;font-family:var(--mono);font-size:16px}.method{list-style:decimal-leading-zero;margin:0;padding-left:42px}.method li{padding:28px 0 28px 20px;border-top:1px solid var(--border)}.method li::marker{font:14px var(--mono);color:var(--ink)}.method h3{margin-bottom:12px}.method p{max-width:760px}.method span{display:block;margin-top:16px;font:13px/1.7 var(--mono);color:var(--ink)}
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/* Railblocks brand composition: architectural grid, rails and cut corners. */
.hero{position:relative;isolation:isolate;overflow:hidden}.hero:before{content:"";position:absolute;z-index:-1;inset:0 65px;border-left:1px solid var(--border);border-right:1px solid var(--border);opacity:.45;pointer-events:none}.blueprint-grid{position:absolute;inset:0;z-index:-1;pointer-events:none;color:var(--muted);opacity:.12}.hero h1{position:relative;padding-bottom:28px;border-bottom:1px solid var(--border)}.hero .eyebrow{margin-bottom:40px}.hero-bottom{margin:38px 0 48px}.hero-bottom>div{border-left:1px solid var(--border);padding-left:32px;max-width:480px}.theme button{text-transform:uppercase;letter-spacing:.04em}.workflow-map{display:block;padding:24px 0 0;font-family:var(--mono)}.map-caption{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.06em;color:var(--muted)}.workflow-map svg{display:block;width:100%;height:auto;max-height:230px}.map-tracks{fill:none;stroke:var(--muted);stroke-width:1;opacity:.6}.map-trace{stroke:var(--ink);stroke-width:2;stroke-dasharray:30 1200;animation:route-pass 2.4s ease-out both}.map-stations{fill:var(--bg);stroke:var(--muted);stroke-width:1}.map-core{fill:var(--card);stroke:var(--border)}.map-corners{fill:none;stroke:var(--ink);stroke-width:1}.map-labels{fill:var(--muted);font:12px var(--mono);letter-spacing:1px}.map-title{fill:var(--ink);font:19px var(--mono)}.map-subtitle{fill:var(--muted);font:10px var(--mono);letter-spacing:1px}.map-mobile{display:none}.signal-word{color:var(--signal);font-family:var(--mono)}.problem-grid{gap:0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.problem-grid article{padding:32px}.problem-grid article:first-child{padding-left:0}.problem-grid article+article{border-left:1px solid var(--border)}.problem-index{display:block;font:13px var(--mono);color:var(--muted);margin-bottom:44px}.method-section{display:grid;grid-template-columns:1fr 1fr;gap:64px}.method-intro{align-self:start;position:sticky;top:40px}.method-intro h2{font-size:clamp(42px,4.6vw,66px)}.principles{display:block;max-width:360px}.principles p+p{margin-top:24px}.method-index{margin-top:60px;color:var(--muted);font:11px/2.3 var(--mono);letter-spacing:.08em}.method{counter-reset:station;list-style:none;padding-left:0;border-left:1px solid var(--border)}.method li{position:relative;padding:30px 0 30px 40px;counter-increment:station}.method li:before{content:counter(station,decimal-leading-zero);position:absolute;left:-17px;top:30px;display:grid;place-items:center;width:33px;height:33px;background:var(--bg);border:1px solid var(--muted);font:11px var(--mono)}.method li:first-child{border-top:0}.method li:hover:before{background:var(--ink);color:var(--bg)}.method span{font-size:11px;line-height:1.7;color:var(--muted);padding-top:12px}.prose{border-left:1px solid var(--border);padding-left:32px}.cases>a{--card-edge:var(--border);border:0;background:var(--card-edge);clip-path:polygon(0 0,calc(100% - 33px) 0,100% 33px,100% 100%,0 100%);transition:background .2s}.cases>a:before{content:"";position:absolute;inset:1px;background:var(--card);clip-path:polygon(0 0,calc(100% - 32.414px) 0,100% 32.414px,100% 100%,0 100%);pointer-events:none}.cases>a>*{position:relative}.cases>a:hover{--card-edge:var(--muted)}.cases>a:focus-visible{outline-offset:-6px}.case-link{display:flex;justify-content:space-between;border-top:1px solid var(--border);padding-top:20px}.cases>a:hover .case-link{text-decoration:underline;text-underline-offset:5px}.button span{transition:transform .2s}.button:hover span{transform:translate(3px,-3px)}.contact{position:relative}.contact:before{content:"+";position:absolute;right:65px;top:60px;font:32px var(--mono);color:var(--muted)}.brand-signoff{padding:40px 65px 24px;border-bottom:1px solid var(--border);overflow:hidden}.signoff-label{display:flex;justify-content:space-between;font:10px var(--mono);color:var(--muted);letter-spacing:.07em;margin-bottom:32px}.outline-wordmark{display:block;width:100%;height:auto;color:var(--muted);max-height:230px}.reveal-enter{animation:section-arrive .65s ease-out both}@keyframes section-arrive{from{transform:translateY(14px);opacity:.45}to{transform:translateY(0);opacity:1}}@keyframes route-pass{from{stroke-dashoffset:500}to{stroke-dashoffset:-1200}}
@media(min-width:1600px){.brand-signoff{padding-left:max(65px,calc((100vw - 1310px)/2));padding-right:max(65px,calc((100vw - 1310px)/2))}}
@media(max-width:1000px){.method-section{gap:40px}.hero:before{inset:0 32px}.hero-bottom>div{padding-left:24px}.problem-grid article{padding:24px}.brand-signoff{padding:32px}.method li{padding-left:28px}.prose{padding-left:24px}}
@media(max-width:680px){.hero:before{inset:0 22px;opacity:.3}.blueprint-grid{opacity:.07}.hero h1{padding-bottom:24px}.hero-bottom>div{padding-left:0;border-left:0}.workflow-map{padding:24px 0 30px}.workflow-map svg{display:none}.map-caption{font-size:8px;gap:20px}.map-mobile{display:flex;align-items:center;flex-direction:column;margin-top:28px;font-size:11px;gap:0}.map-mobile strong{padding:18px 22px;border:1px solid var(--muted);background:var(--card);font-weight:400}.map-mobile i{height:26px;width:1px;background:var(--muted)}.map-mobile>span{max-width:none}.method-section{display:block}.method-intro{position:static}.method-index{display:none}.method{margin:36px 0 0 16px}.method li{padding-left:30px}.principles{margin-bottom:32px}.problem-grid article,.problem-grid article:first-child{padding:28px 0}.problem-grid article+article{border-left:0;border-top:1px solid var(--border)}.problem-index{margin-bottom:22px}.prose{padding-left:0;border-left:0}.contact:before{top:42px;right:22px;font-size:20px}.brand-signoff{padding:28px 22px}.signoff-label{font-size:8px;gap:28px;margin-bottom:24px}}
@media(prefers-reduced-motion:reduce){.map-trace,.reveal-enter{animation:none!important}.map-trace{stroke-dasharray:none;opacity:.3}.button span{transition:none}}
.map-caption span{max-width:none}.map-mobile i{flex:none}.method span{font-size:13px}

.graph-logo{display:block;width:210px;height:auto}header .brand{max-width:45%}@media(max-width:600px){.graph-logo{width:170px;max-width:100%}}