@font-face{font-family:Gambetta;src:url(/fonts/gambetta-400-normal.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Gambetta;src:url(/fonts/gambetta-400-italic.woff2)format("woff2");font-weight:400;font-style:italic;font-display:swap}@font-face{font-family:Gambetta;src:url(/fonts/gambetta-500-normal.woff2)format("woff2");font-weight:500;font-style:normal;font-display:swap}@font-face{font-family:Gambetta;src:url(/fonts/gambetta-600-normal.woff2)format("woff2");font-weight:600;font-style:normal;font-display:swap}@font-face{font-family:Switzer;src:url(/fonts/switzer-400-normal.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Switzer;src:url(/fonts/switzer-500-normal.woff2)format("woff2");font-weight:500;font-style:normal;font-display:swap}@font-face{font-family:Switzer;src:url(/fonts/switzer-600-normal.woff2)format("woff2");font-weight:600;font-style:normal;font-display:swap}:root{--paper:#e6ece3;--paper-2:#d9e1d5;--ink:#1c3329;--ink-2:#4b5f55;--rule:#9fb2a3;--cinnabar:#b8321c;--serif:"Gambetta", "Iowan Old Style", "Palatino Linotype", Georgia, serif;--sans:"Switzer", "Helvetica Neue", Arial, sans-serif;--t-cap:.875rem;--t-small:.9375rem;--t-body:1.1875rem;--t-1:1.583rem;--t-2:2.11rem;--t-3:clamp(2.2rem, 4.2vw, 2.815rem);--t-4:clamp(2.6rem, 5.6vw, 3.75rem);--t-5:clamp(3rem, 7.4vw, 5rem);--wrap:1240px;--gut:clamp(1.25rem, 3vw, 2.5rem)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scrollbar-color:var(--rule) var(--paper)}body{background:var(--paper);color:var(--ink);font:400 var(--t-body)/1.55 var(--serif);font-variant-numeric:oldstyle-nums proportional-nums;-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0}img,svg{max-width:100%;display:block}::selection{background:var(--ink);color:var(--paper)}:focus-visible{outline:2px solid var(--ink);outline-offset:3px}a{color:inherit;text-underline-offset:.2em;text-decoration-line:underline;text-decoration-thickness:1px;text-decoration-color:var(--rule)}a:hover{text-decoration-color:currentColor;text-decoration-thickness:2px}h1,h2,h3{font-family:var(--serif);letter-spacing:-.02em;text-wrap:balance;font-variant-numeric:lining-nums;margin:0;font-weight:500}h1{font-size:var(--t-5);line-height:1.02}h2{font-size:var(--t-3);line-height:1.1}h3{font-size:var(--t-1);letter-spacing:-.01em;line-height:1.2}p{text-wrap:pretty;max-width:60ch;margin:0 0 1em}li,dt,dd,td,th,summary,figcaption,caption{text-wrap:pretty}p:last-child{margin-bottom:0}.sans{font-family:var(--sans);font-variant-numeric:tabular-nums lining-nums}.cap{font:400 var(--t-small)/1.45 var(--sans);color:var(--ink-2)}.lede{font-size:var(--t-1);max-width:34ch;line-height:1.4}.wrap{width:min(var(--wrap), 100% - 2 * var(--gut));margin-inline:auto}.grid{grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(1rem,2.4vw,2rem);display:grid}.m{grid-column:1/span 3}.w{grid-column:4/-1}.full{grid-column:1/-1}@media (width<=860px){.grid{grid-template-columns:minmax(0,1fr)}.m,.w,.full{grid-column:1/-1}}.sec{border-top:1px solid var(--ink);padding-block:clamp(2.5rem,6vw,5rem)}.sec.air{padding-block:clamp(4rem,10vw,8.5rem)}.sec.tint{background:var(--paper-2)}.mhead{font:500 var(--t-1)/1.2 var(--serif);letter-spacing:-.01em;max-width:14ch;margin:0 0 1.5rem}@media (width>=861px){.mhead{position:sticky;top:2rem}}.btn{background:var(--cinnabar);min-height:48px;color:var(--paper);border:1px solid var(--cinnabar);font:500 1rem/1.1 var(--sans);cursor:pointer;justify-content:center;align-items:center;padding:.75rem 1.35rem;text-decoration:none;transition:background-color .15s,border-color .15s;display:inline-flex}.btn:hover{background:var(--ink);border-color:var(--ink);color:var(--paper);text-decoration:none}.btn.quiet{color:var(--ink);border-color:var(--ink);background:0 0}.btn.quiet:hover{background:var(--ink);color:var(--paper)}.ledger{border-collapse:collapse;width:100%;font:400 var(--t-small)/1.45 var(--sans);font-variant-numeric:tabular-nums lining-nums}.ledger th{text-align:left;color:var(--ink-2);border-bottom:1px solid var(--ink);vertical-align:baseline;padding:.6rem 1rem .6rem 0;font-weight:500}.ledger td{border-bottom:1px solid var(--rule);vertical-align:baseline;padding:.85rem 1rem .85rem 0}.ledger .num{text-align:right;white-space:nowrap}.ledger tfoot td{border-bottom:3px double var(--cinnabar)}.seal{width:2rem;height:2rem;color:var(--cinnabar);flex:none}.seal .ground{fill:currentColor}.seal .strokes{stroke:var(--paper)}.site-header{border-bottom:1px solid var(--ink);padding-block:1.25rem}.site-header .wrap{justify-content:space-between;align-items:center;gap:1.5rem;display:flex}.brand{font:600 1.45rem/1 var(--serif);letter-spacing:-.015em;align-items:center;gap:.7rem;text-decoration:none;display:inline-flex}.nav{font:400 var(--t-small)/1 var(--sans);align-items:center;gap:clamp(1rem,2vw,1.75rem);display:flex}.nav a:not(.btn){padding-block:.5rem;text-decoration:none}.nav a:not(.btn):hover,.nav a[aria-current=page]{text-decoration:underline}.menu-btn{display:none}@media (width<=960px){.menu-btn{min-height:44px;font:500 1rem var(--sans);color:var(--ink);cursor:pointer;text-underline-offset:.25em;text-decoration:underline;text-decoration-color:var(--rule);background:0 0;border:0;align-items:center;padding:0 .25rem;display:inline-flex}.nav{display:none}.menu-open .nav{z-index:20;background:var(--paper);border-bottom:1px solid var(--ink);padding:.5rem var(--gut) 1.5rem;gap:0;display:grid;position:absolute;top:100%;left:0;right:0}.menu-open .nav a:not(.btn){font:500 var(--t-2)/1.2 var(--serif);border-bottom:1px solid var(--rule);padding-block:.6rem}.menu-open .nav .btn{justify-self:start;margin-top:1.25rem}.site-header{position:relative}}.site-footer{background:var(--ink);color:var(--paper);font:400 var(--t-small)/1.55 var(--sans);padding-block:clamp(3rem,6vw,4.5rem) 2rem}.site-footer a{text-decoration-color:color-mix(in srgb, var(--paper) 45%, transparent)}.site-footer .grid{row-gap:2rem}.foot-name{font:600 var(--t-2)/1.1 var(--serif);letter-spacing:-.015em;margin-bottom:.75rem}.site-footer ul{gap:.4rem;margin:0;padding:0;list-style:none;display:grid}.site-footer h2{font:500 var(--t-small)/1.3 var(--sans);letter-spacing:0;color:color-mix(in srgb, var(--paper) 72%, transparent);margin:0 0 .75rem}.f1{grid-column:1/span 4}.f2{grid-column:5/span 2}.f3{grid-column:7/span 2}.f4{grid-column:9/-1}.foot-legal{border-top:1px solid color-mix(in srgb, var(--paper) 30%, transparent);column-gap:inherit;color:color-mix(in srgb, var(--paper) 80%, transparent);grid-column:1/-1;grid-template-columns:repeat(12,minmax(0,1fr));margin-top:1rem;padding-top:1.25rem;display:grid}.foot-legal p{max-width:60ch;font-size:var(--t-cap);grid-column:span 6;margin:0 0 .5rem}@media (width<=860px){.f1,.f2,.f3,.f4{grid-column:1/-1}.foot-legal{grid-template-columns:1fr}.foot-legal p{grid-column:1/-1}}.bookbar{display:none}@media (width<=860px){.bookbar{z-index:30;padding:.6rem var(--gut) calc(.6rem + env(safe-area-inset-bottom));background:var(--paper);border-top:1px solid var(--ink);visibility:hidden;display:block;position:fixed;bottom:0;left:0;right:0}.bookbar.show{visibility:visible}.bookbar .btn{width:100%}body.has-bookbar{padding-bottom:72px}}.prose{max-width:34em}.prose h2{font-size:var(--t-2);margin:2.2em 0 .6em}.prose h3{font-size:var(--t-1);margin:1.8em 0 .5em}.prose ul,.prose ol{margin:0 0 1em;padding-left:1.2em}.prose li{margin-bottom:.4em}.prose blockquote{border-left:1px solid var(--ink);font-size:var(--t-1);margin:1.5em 0;padding-left:1.25rem;line-height:1.4}.prose table{border-collapse:collapse;width:100%;font:var(--t-small)/1.45 var(--sans);margin:1.5em 0}.prose th,.prose td{text-align:left;border-bottom:1px solid var(--rule);vertical-align:top;padding:.6rem .75rem .6rem 0}.prose th{border-bottom-color:var(--ink);font-weight:500}.prose hr{border:0;border-top:1px solid var(--rule);margin:2.5em 0}.sr{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.skip{z-index:50;background:var(--ink);color:var(--paper);font:500 1rem var(--sans);padding:.7rem 1rem;position:absolute;top:-4rem;left:1rem}.skip:focus{top:1rem}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}