:root{--paper: #ffffff;--ink: #7c8288;--ink-soft: #b6bbc0;--hair: 1px;--u: clamp(.42px, .05vw, .85px);--edge: calc(350 * var(--u));--rivet-d: calc(13 * var(--u));--rivet-r: calc(var(--rivet-d) * .5);--rivet-pitch: calc(30 * var(--u))}@media(max-width:840px){:root{--edge: calc(110 * var(--u))}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;overflow-x:clip;background:var(--paper);color:#2b2f33;font:1rem/1.55 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}img{display:block;max-width:100%}:root{--outrigger: 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1fr 4rem;width:80rem;margin:0 auto;position:relative}header:before,header:after{content:var(--outrigger);display:block;top:0;width:197px;height:475px;position:absolute;z-index:-1}header:before{left:-192px}header:after{right:-192px;transform:scaleX(-1)}header>div{display:flex}header>div:nth-child(odd){flex-direction:column;align-items:center;border-inline:var(--hair) solid var(--ink);border-top:var(--hair) solid var(--ink);margin-top:1rem}header>div:nth-child(odd):after{content:"";display:block;border-inline:var(--hair) solid var(--ink);border-top:var(--hair) solid var(--ink);width:calc(2rem + 1px);height:calc(100% - 2rem);margin-block:auto 0;margin-left:.5px}header .girder{--rivet-r: 4px;display:grid;grid-template-columns:1fr 2fr 1fr;background:linear-gradient(to bottom,transparent 0rem 2rem,var(--paper) 2rem calc(100% - 2rem),transparent calc(100% - 2rem) 100%) center center/100% 100% repeat-y,radial-gradient(circle at center,transparent 0 calc(var(--rivet-r) - var(--hair)),var(--ink) calc(var(--rivet-r) - var(--hair)) var(--rivet-r),transparent var(--rivet-r)) center center/1rem 1rem repeat;margin-top:2.625rem}header .girder:before,header .girder:after{content:"";display:block;width:100%;height:6px;background-color:var(--paper);border-block:var(--hair) solid var(--ink);grid-column:1/-1}header .girder>div{display:flex;flex-direction:column;outline:var(--hair) solid var(--ink);outline-offset:calc(-1.5rem - 6px);margin-inline:-.5rem}header .girder>div:nth-child(odd) svg{margin-block:-2.875rem .375rem;margin-inline:calc(.5rem - 5px);height:12.5rem;align-self:start;z-index:1}header .girder>div:nth-child(3) svg{align-self:end;transform:scaleX(-1)}header .girder>div:nth-child(2n){justify-content:center;align-items:center;flex-direction:row;color:var(--paper)}header .girder>div:nth-child(2n):before,header .girder>div:nth-child(2n):after{content:"";display:block;border-inline:var(--hair) solid var(--ink);width:6px;height:100%;margin-inline:.25rem;background-color:var(--paper)}header .girder>div:nth-child(2n) svg{margin-block:.5rem;margin-inline:auto;height:9rem;z-index:1}main{max-width:80rem;margin:0 auto;min-height:100vh;position:relative}main:before,main:after{content:"";display:block;height:100%;width:4rem;position:absolute;border-inline:var(--hair) solid var(--ink);background:linear-gradient(to right,var(--paper) 0rem calc(1rem - 1px),var(--ink) calc(1rem - 1px) 1rem,var(--paper) 1rem calc(3rem - 1px),var(--ink) calc(3rem - 1px) 3rem,var(--paper) 3rem 100%);background-repeat:no-repeat;background-size:4rem 100%}main:before{left:0}main:after{right:0}