.bk-hero{min-height:92svh;padding-bottom:80px}.bk-hero-foot{grid-template-columns:repeat(12,1fr);align-items:end;gap:24px;margin-top:clamp(40px,8vh,90px);display:grid}.bk-hero-foot .lede{grid-column:1/span 5}.bk-meta{border-top:1px solid var(--line);grid-column:1/span 5;gap:40px;margin:8px 0 0;padding-top:20px;display:flex}.bk-meta dt{margin-bottom:6px}.bk-meta dd{margin:0;font-size:14px}.bk-intro{grid-template-columns:repeat(12,1fr);align-items:end;gap:24px;margin-bottom:clamp(48px,8vh,96px);display:grid}.bk-intro .h2{grid-column:1/span 7;max-width:16ch}.bk-intro .body{grid-column:9/span 4}.sub{color:var(--muted);margin:clamp(56px,9vh,100px) 0 22px;font-weight:400}.dl{height:32px;color:inherit;cursor:pointer;opacity:.85;background:0 0;border:1px solid;border-radius:999px;align-items:center;gap:8px;padding:0 6px 0 12px;font-size:10.5px;transition:background-color .3s,color .3s,opacity .3s;display:inline-flex}.dl i{background:currentColor;border-radius:50%;place-items:center;width:20px;height:20px;font-size:0;font-style:normal;display:grid}.dl i:before{content:"↓";color:var(--paper);font-size:11px;line-height:1}.tile.dark .dl i:before{color:var(--ink)}.dl:hover{opacity:1;background:var(--signal);border-color:var(--signal);color:var(--ink)}.dl:hover i:before{color:var(--signal)}.dl.busy{opacity:.4;pointer-events:none}.logo-grid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.tile{aspect-ratio:1;border:1px solid var(--line);color:var(--ink);border-radius:20px;flex-direction:column;margin:0;display:flex;position:relative;overflow:hidden}.tile.dark{color:var(--paper);border-color:#0000}.tile-wide{aspect-ratio:auto;grid-column:span 2}.tile-art{flex:1;place-items:center;min-height:0;padding:14%;display:grid}.tile-art svg{width:100%;height:100%;max-height:100%}.art-mark svg{width:46%}.art-icon svg{filter:drop-shadow(0 18px 30px #0e0e0c2e);width:52%}.art-stacked svg{width:62%}.art-wordmark svg{width:74%}.tile-wide .tile-art{padding:12% 14%}.tile-wide .art-horizontal svg{width:70%}.tile figcaption{justify-content:space-between;align-items:flex-end;gap:12px;padding:16px 18px;display:flex}.tile-meta{flex-direction:column;gap:4px;font-size:10.5px;display:flex}.tile.dark .muted{color:#8c8a83}.tile-actions{opacity:0;transition:opacity .4s var(--ease), transform .4s var(--ease);gap:6px;display:flex;transform:translateY(6px)}.tile:hover .tile-actions,.tile:focus-within .tile-actions{opacity:1;transform:none}@media (hover:none){.tile-actions{opacity:1;transform:none}}.rules{grid-template-columns:repeat(4,1fr);gap:12px;margin-top:12px;display:grid}.rule-card{border:1px solid var(--line);border-radius:20px;margin:0;overflow:hidden}.rule-art{aspect-ratio:4/3;background:var(--paper-2);place-items:center;display:grid;position:relative}.rule-art svg{width:56%;height:70%}.rule-card.no .rule-art:after{content:"";background:linear-gradient(to top right, transparent calc(50% - .8px), var(--signal) calc(50% - .8px), var(--signal) calc(50% + .8px), transparent calc(50% + .8px));position:absolute;inset:16% 30%}.rule-card figcaption{padding:16px 18px 20px}.rule-card h3{letter-spacing:-.02em;margin-bottom:6px;font-size:16px;font-weight:500}.rule-card p{color:var(--muted);font-size:14px}.swatches{grid-template-columns:2fr 1.4fr 1fr 1fr 1fr;gap:12px;display:grid}.swatch{text-align:left;cursor:copy;min-height:360px;color:var(--ink);font:inherit;transition:transform .5s var(--ease);border:0;border-radius:20px;flex-direction:column;align-items:flex-start;gap:6px;padding:22px;display:flex;position:relative}.swatch:hover{transform:translateY(-4px)}.swatch-paper{box-shadow:inset 0 0 0 1px var(--line-strong)}.swatch.dark{color:var(--paper)}.sw-name{letter-spacing:-.045em;font-size:clamp(1.6rem,2.4vw,2.4rem)}.sw-role{opacity:.75;max-width:22ch;font-size:14px}.sw-codes{opacity:.85;flex-direction:column;gap:4px;margin-top:auto;font-size:10.5px;display:flex}.sw-copied{opacity:0;font-size:10.5px;transition:opacity .3s;position:absolute;top:22px;right:22px}.swatch.copied .sw-copied{opacity:1}.ratio{height:56px;box-shadow:inset 0 0 0 1px var(--line-strong);border-radius:14px;margin-top:12px;display:flex;overflow:hidden}.ratio span{align-items:center;min-width:0;padding:0 14px;display:flex}.ratio i{white-space:nowrap;font-size:10px;font-style:normal}.specimens{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.spec{border:1px solid var(--line-strong);border-radius:20px;flex-direction:column;gap:18px;padding:24px;display:flex}.spec:nth-child(2){background:var(--ink);color:var(--paper);border-color:var(--ink)}.spec:nth-child(2) .muted{color:#8c8a83}.spec-meta{flex-wrap:wrap;justify-content:space-between;gap:12px;display:flex}.spec-big{letter-spacing:-.06em;margin:20px 0 10px;font-size:clamp(7rem,13vw,13rem);line-height:.85}.spec-big.serif{font-family:var(--serif);letter-spacing:-.02em;font-style:italic}.spec-big.monob{font-family:var(--mono);letter-spacing:-.04em;font-size:clamp(5.5rem,10vw,10rem)}.spec-line{letter-spacing:-.04em;font-size:clamp(1.3rem,1.8vw,1.7rem);line-height:1.1}.spec-line em{font-size:1.07em}.mono-line{font-family:var(--mono);letter-spacing:.04em;font-size:14px}.spec-glyphs{word-break:break-all;font-size:13px;line-height:1.6}.serif-glyphs{font-family:var(--serif);font-size:16px;font-style:italic}.monob-glyphs{font-family:var(--mono);font-size:12px}.spec-rule{border-top:1px solid;border-color:var(--line);margin-top:auto;padding-top:14px}.spec:nth-child(2) .spec-rule{border-color:#edebe529}.forms{grid-template-columns:repeat(5,1fr);gap:12px;display:grid}.form{border:1px solid var(--line);background:color-mix(in srgb, var(--paper) 80%, transparent);border-radius:20px;margin:0;overflow:hidden}.form canvas{aspect-ratio:1;width:100%;display:block}.form figcaption{flex-direction:column;gap:6px;padding:4px 18px 20px;display:flex}.form h3{letter-spacing:-.03em;font-size:18px;font-weight:400}.form p{color:var(--muted);font-size:13.5px}.assets{gap:28px;display:grid}.assets-headers{grid-template-columns:repeat(2,1fr)}.assets-avatars{grid-template-columns:repeat(3,1fr)}.assets-og{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}.og-note{border:1px solid var(--line-strong);border-radius:16px;flex-direction:column;order:2;gap:14px;padding:28px;display:flex}.og-note h3{letter-spacing:-.035em;font-size:22px;font-weight:400}.og-note p{color:var(--ink-2);max-width:44ch;font-size:15px}.og-note code{font-family:var(--mono);background:var(--paper-2);border-radius:6px;padding:2px 6px;font-size:12.5px}.assets-walls{grid-template-columns:repeat(2,1fr)}.asset{flex-direction:column;gap:16px;margin:0;display:flex}.asset-frame{background:var(--paper-2);width:100%;box-shadow:0 0 0 1px var(--line);transition:aspect-ratio .4s var(--ease);border-radius:16px;position:relative;overflow:hidden}.assets-avatars .asset-frame{border-radius:50%}.asset-frame canvas{width:100%;height:100%;display:block}.asset figcaption{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.asset-meta h3{letter-spacing:-.03em;font-size:18px;font-weight:400}.asset-meta p{max-width:40ch;font-size:13.5px}.asset-actions{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.chips{box-shadow:inset 0 0 0 1px var(--line-strong);border-radius:999px;padding:3px;display:inline-flex}.chips button,.chip-toggle{height:26px;font-family:var(--mono);letter-spacing:.04em;text-transform:uppercase;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:0 12px;font-size:10.5px;transition:background-color .3s,color .3s}.chips button.on{background:var(--ink);color:var(--paper)}.chip-toggle{height:32px;box-shadow:inset 0 0 0 1px var(--line-strong)}.chip-toggle.on{background:var(--signal);color:var(--ink);box-shadow:none}.safe{aspect-ratio:1;border:1.5px dashed var(--signal);background:color-mix(in srgb, var(--signal) 14%, transparent);width:22.2%;color:var(--signal);opacity:0;pointer-events:none;border-radius:50%;place-items:start center;padding-top:14%;transition:opacity .4s;display:grid;position:absolute;bottom:0;left:2.8%;transform:translateY(50%)}.safe span{font-size:9.5px}.show-safe .is-x .safe{opacity:1}.voice{grid-template-columns:1fr 1fr;gap:12px;display:grid}.voice>div{border:1px solid var(--line-strong);border-radius:20px;padding:28px}.voice>div:first-child{background:var(--ink);color:var(--paper);border-color:var(--ink)}.voice-h{align-items:center;gap:10px;margin-bottom:18px;display:flex}.voice-list li{letter-spacing:-.04em;border-top:1px solid #edebe524;padding:14px 0;font-size:clamp(1.25rem,2vw,1.8rem);line-height:1.2}.voice-list.no li{border-color:var(--line);color:var(--muted);text-decoration:line-through;-webkit-text-decoration-color:var(--signal);text-decoration-color:var(--signal);text-decoration-thickness:1.5px}.principles{grid-template-columns:repeat(3,1fr);gap:24px;margin-top:clamp(56px,9vh,100px);display:grid}.principles li{border-top:1px solid var(--ink);flex-direction:column;gap:10px;padding-top:22px;display:flex}.principles h3{letter-spacing:-.035em;margin-top:30px;font-size:22px;font-weight:400}.principles p{color:var(--ink-2);max-width:32ch;font-size:15px}.bk-footer{padding-top:40px}.bk-footer .wordmark{margin-top:20px}@media (width<=1100px){.logo-grid,.rules,.swatches{grid-template-columns:repeat(2,1fr)}.swatch{min-height:220px}.swatch-paper{grid-column:1/-1}.specimens{grid-template-columns:1fr}.forms{grid-template-columns:repeat(3,1fr)}.assets-headers,.assets-walls{grid-template-columns:1fr}}@media (width<=860px){.bk-hero-foot .lede,.bk-meta,.bk-intro .h2,.bk-intro .body{grid-column:1/-1}.bk-meta{justify-content:flex-start}.bk-hero{padding-top:140px}.assets-og,.voice,.principles{grid-template-columns:1fr}.forms{grid-template-columns:repeat(2,1fr)}}@media (width<=560px){.logo-grid,.rules{grid-template-columns:1fr}.tile-wide{grid-column:auto}.tile-wide .tile-art{aspect-ratio:16/10}.swatches{grid-template-columns:1fr}.assets-avatars{grid-template-columns:repeat(2,1fr)}.forms{grid-template-columns:1fr 1fr}}