:root {
  --ink:#141411; --paper:#F3F0E7; --signal:#FF5C35; --pulse:#DDEF4B;
  --echo:#D7EFFF; --private:#AEB8A0; --muted:#B9B3A8; --line:rgba(243,240,231,.15);
  --bg:var(--ink); --text:var(--paper); --surface:#20211C; --soft:#1B1B18;
  --shell:min(1220px,calc(100vw - 48px)); color-scheme:dark;
}
html[data-brand-theme="paper"] { --bg:var(--paper); --text:var(--ink); --surface:#FBFAF5; --soft:#E9E5DA; --muted:#595A52; --line:rgba(20,20,17,.14); color-scheme:light; }
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",sans-serif;font-size:16px;line-height:1.55;transition:background .45s,color .45s}button,a{font:inherit}button{color:inherit}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}::selection{background:var(--signal);color:var(--ink)}
.section-shell{width:var(--shell);margin-inline:auto}.skip-link{position:fixed;z-index:100;top:-70px;left:20px;background:var(--signal);color:var(--ink);padding:12px 18px;border-radius:10px}.skip-link:focus{top:20px}
.brand-header{position:sticky;top:0;z-index:40;min-height:74px;padding:12px max(24px,calc((100vw - 1320px)/2));display:grid;grid-template-columns:1fr auto 1fr;align-items:center;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(22px) saturate(150%)}
.brand-lockup{display:inline-flex;align-items:center;gap:10px;width:max-content;font-size:21px;font-weight:750;letter-spacing:-.05em}.edition{color:var(--muted);font:600 12px/1 "SF Mono",Menlo,monospace;text-transform:uppercase;letter-spacing:.08em}.header-actions{display:flex;justify-self:end;align-items:center;gap:10px}.theme-control{display:flex;gap:2px;padding:3px;border:1px solid var(--line);border-radius:12px}.theme-control button{border:0;background:transparent;color:var(--muted);padding:8px 11px;border-radius:8px;font-size:12px;cursor:pointer}.theme-control button.active{background:var(--text);color:var(--bg)}.download-button{padding:10px 16px;border-radius:11px;background:var(--signal);color:var(--ink);font-weight:700;font-size:13px}
.meaning-mark{overflow:visible;filter:drop-shadow(0 18px 35px rgba(255,92,53,.18))}.meaning-mark rect{fill:var(--signal)}.meaning-mark g{fill:none;stroke:var(--ink);stroke-width:18;stroke-linecap:round;stroke-linejoin:round}.meaning-mark.mini{width:29px;height:29px}.meaning-mark.mini g{stroke-width:18}
.brand-hero{min-height:790px;padding:120px 0 100px;display:grid;grid-template-columns:1fr .9fr;align-items:center;gap:100px}.kicker,.section-intro>span{margin:0 0 22px;color:var(--signal);font:650 12px/1.3 "SF Mono",Menlo,monospace;letter-spacing:.1em;text-transform:uppercase}.brand-hero h1{margin:0;font-size:clamp(64px,7.4vw,112px);font-weight:700;letter-spacing:-.075em;line-height:.91}.brand-hero h1 em{color:var(--signal);font-style:normal}.hero-lede{max-width:680px;margin:32px 0;color:var(--muted);font-size:20px;line-height:1.65}.hero-links{display:flex;gap:14px}.hero-links a{padding:13px 17px;border:1px solid var(--line);border-radius:12px;font-weight:650;font-size:14px}.hero-links a:first-child{background:var(--text);color:var(--bg)}
.mark-stage{position:relative;min-height:540px;display:grid;place-items:center;border:1px solid var(--line);border-radius:42px;background:var(--surface);overflow:hidden}.mark-stage:before,.mark-stage:after{content:"";position:absolute;inset:50% auto auto 50%;width:560px;height:1px;background:var(--line);transform:translate(-50%,-50%) rotate(45deg)}.mark-stage:after{transform:translate(-50%,-50%) rotate(-45deg)}.hero-mark{position:relative;z-index:2;width:min(320px,62%)}.hero-mark .stems{stroke-dasharray:240;animation:stems-in .62s cubic-bezier(.2,.8,.2,1) both}.hero-mark .signal{stroke-dasharray:340;animation:signal-in 1s .18s cubic-bezier(.2,.8,.2,1) both}.stage-label{position:absolute;z-index:3;color:var(--muted);font:650 11px/1 "SF Mono",Menlo,monospace;letter-spacing:.15em}.stage-label.top{top:32px;left:34px}.stage-label.bottom{right:34px;bottom:32px}.replay-logo{position:absolute;z-index:4;bottom:25px;left:50%;transform:translateX(-50%);border:1px solid var(--line);border-radius:20px;padding:8px 13px;background:color-mix(in srgb,var(--bg) 50%,transparent);color:var(--muted);font-size:12px;cursor:pointer}.mark-stage.replaying .hero-mark .stems{animation:stems-in .62s cubic-bezier(.2,.8,.2,1) both}.mark-stage.replaying .hero-mark .signal{animation:signal-in 1s .18s cubic-bezier(.2,.8,.2,1) both}@keyframes stems-in{from{stroke-dashoffset:240;opacity:0}to{stroke-dashoffset:0;opacity:1}}@keyframes signal-in{from{stroke-dashoffset:340;opacity:0}to{stroke-dashoffset:0;opacity:1}}
.chapter-nav{position:sticky;top:74px;z-index:30;width:100%;display:grid;grid-template-columns:repeat(6,1fr);border-block:1px solid var(--line);background:var(--bg)}.chapter-nav a{padding:18px;text-align:center;color:var(--muted);font-size:13px;border-right:1px solid var(--line)}.chapter-nav a:last-child{border:0}.chapter-nav b{color:var(--signal);font:600 10px/1 "SF Mono",Menlo,monospace;margin-right:8px}
.guide-section{padding:150px 0;scroll-margin-top:130px}.section-intro{display:grid;grid-template-columns:.38fr 1fr;gap:34px 80px;margin-bottom:72px}.section-intro>span{grid-row:1/3}.section-intro h2{margin:0;font-size:clamp(52px,6vw,84px);line-height:.95;letter-spacing:-.065em}.section-intro p{max-width:720px;margin:0;color:var(--muted);font-size:19px}
.anatomy-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:26px;overflow:hidden}.anatomy-grid article{min-height:310px;padding:34px;display:flex;flex-direction:column;border-right:1px solid var(--line);background:var(--surface)}.anatomy-grid article:last-child{border:0}.anatomy-number{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--signal);color:var(--ink);font:700 14px/1 "SF Mono",Menlo,monospace}.anatomy-grid h3{margin:auto 0 7px;font-size:26px;letter-spacing:-.04em}.anatomy-grid p{margin:0;color:var(--muted)}
.logo-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:72px 0 18px}.logo-board{margin:0;border-radius:28px;overflow:hidden;border:1px solid var(--line);background:var(--surface)}.logo-board img{width:100%}.logo-board figcaption{padding:14px 18px;color:var(--muted);font:600 12px/1 "SF Mono",Menlo,monospace;text-transform:uppercase;letter-spacing:.08em}.rules-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.rule-card{min-height:300px;padding:30px;border:1px solid var(--line);border-radius:24px;background:var(--surface)}.rule-card h3{font-size:20px;margin:0 0 24px}.rule-card p,.rule-card li{color:var(--muted);font-size:14px}.rule-card ul{padding-left:18px}.clearspace-demo{position:relative;height:125px;display:grid;place-items:center;border:1px dashed var(--muted);border-radius:16px}.clearspace-demo img{width:70px}.clearspace-demo span{position:absolute;left:10px;top:8px;color:var(--signal);font:600 11px/1 monospace}.size-row{display:flex;align-items:center;gap:20px;height:125px}.size-row img{width:54px}.size-row span{color:var(--muted);font-size:13px}.size-row b{color:var(--text)}
.chroma-section{background:var(--paper);color:var(--ink)}.chroma-section .section-intro p{color:#595A52}.palette-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.swatch{min-height:260px;padding:24px;display:flex;flex-direction:column;align-items:flex-start;border:0;border-radius:22px;text-align:left;cursor:pointer;transition:transform .25s}.swatch:hover{transform:translateY(-5px)}.swatch span{margin-bottom:auto;font:650 12px/1 "SF Mono",Menlo,monospace;text-transform:uppercase;letter-spacing:.08em}.swatch b{font-size:28px}.swatch small{opacity:.7}.swatch.ink{background:var(--ink);color:var(--paper)}.swatch.paper{background:var(--paper);color:var(--ink);box-shadow:inset 0 0 0 1px rgba(20,20,17,.18)}.swatch.signal{background:var(--signal);color:var(--ink)}.swatch.pulse{background:var(--pulse);color:var(--ink)}.swatch.echo{background:var(--echo);color:var(--ink)}.swatch.private{background:var(--private);color:var(--ink)}.copy-hint{color:#595A52;text-align:center;font-size:13px;margin:18px}.ratio-grid{display:grid;grid-template-columns:6fr 3fr 1fr;border-radius:20px;overflow:hidden;margin-top:50px}.ratio-grid article{min-height:150px;padding:22px;display:flex;flex-direction:column;justify-content:flex-end}.ratio-grid article:nth-child(1){background:var(--ink);color:var(--paper)}.ratio-grid article:nth-child(2){background:#D7EFFF;color:var(--ink)}.ratio-grid article:nth-child(3){background:var(--signal);color:var(--ink)}.ratio-grid b{font-size:32px}.ratio-grid span{font-size:13px}
.type-specimen{min-height:430px;padding:50px;display:grid;grid-template-columns:.42fr 1fr;gap:70px;align-items:end;border:1px solid var(--line);border-radius:30px;background:var(--surface)}.type-meta span{color:var(--signal);font:650 11px/1 monospace;text-transform:uppercase;letter-spacing:.1em}.type-meta b{display:block;font-size:30px;margin:13px 0}.type-meta p{color:var(--muted);font-size:14px}.type-display{font-size:clamp(50px,7vw,92px);font-weight:700;line-height:.92;letter-spacing:-.07em}.type-display em{color:var(--signal);font-style:normal}.type-scale{margin-top:18px;border:1px solid var(--line);border-radius:24px;overflow:hidden}.type-scale>div{display:grid;grid-template-columns:240px 1fr;gap:30px;align-items:center;padding:28px;border-bottom:1px solid var(--line)}.type-scale>div:last-child{border:0}.type-scale span{color:var(--muted);font:600 11px/1.3 "SF Mono",Menlo,monospace;text-transform:uppercase}.type-scale b{font-size:clamp(22px,3vw,40px);letter-spacing:-.045em}.type-scale p{font-size:18px;max-width:680px;margin:0;color:var(--muted)}.type-scale small{font-size:12px;letter-spacing:.08em}
.motion-section{background:var(--signal);color:var(--ink)}.motion-section .section-intro>span{color:var(--ink)}.motion-section .section-intro p{color:rgba(20,20,17,.68)}.motion-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.motion-grid .section-intro{display:block;margin:0}.motion-grid .section-intro h2{margin:22px 0}.motion-timeline{border-top:2px solid var(--ink);display:grid;grid-template-columns:repeat(3,1fr)}.motion-timeline article{padding:28px 25px 0;border-right:1px solid rgba(20,20,17,.25)}.motion-timeline article:last-child{border:0}.motion-timeline span{font:650 11px/1 monospace}.motion-timeline b{display:block;font-size:23px;margin:45px 0 8px}.motion-timeline p{color:rgba(20,20,17,.68);font-size:14px}.motion-note{margin-top:70px;padding:22px 26px;border:1px solid var(--ink);border-radius:16px;display:flex;gap:40px}.motion-note b{white-space:nowrap}.motion-note span{color:rgba(20,20,17,.68)}
.message-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.message-stack article{min-height:360px;padding:30px;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:24px;background:var(--surface)}.message-stack article>span,.bio-grid article>span{color:var(--signal);font:650 11px/1 monospace;text-transform:uppercase;letter-spacing:.08em}.message-stack h3{font-size:34px;line-height:1.05;letter-spacing:-.05em;margin:40px 0 15px}.message-stack p{color:var(--muted);font-size:14px}.message-stack button,.bio-grid button{margin-top:auto;width:max-content;border:1px solid var(--line);border-radius:9px;background:transparent;padding:8px 12px;cursor:pointer}.message-stack .featured-message{background:var(--pulse);color:var(--ink);border-color:transparent}.featured-message>span{color:var(--ink)}.featured-message p{color:rgba(20,20,17,.68)}.featured-message button{border-color:rgba(20,20,17,.25)}.voice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:70px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}.voice-grid article{padding:26px;background:var(--bg)}.voice-grid h3{margin:0 0 12px;font-size:20px}.voice-grid p{margin:0;color:var(--muted);font-size:14px}.words-table{margin-top:18px;border:1px solid var(--line);border-radius:20px;overflow:hidden}.words-table>div{display:grid;grid-template-columns:1fr 1fr}.words-table>div>*{padding:18px 24px;border-bottom:1px solid var(--line)}.words-table>div>*:first-child{border-right:1px solid var(--line)}.words-table>div:last-child>*{border-bottom:0}.words-table>div:first-child{background:var(--surface)}
.social-section{background:var(--soft)}.handle-hero{padding:46px;border-radius:28px;background:var(--signal);color:var(--ink);display:grid;grid-template-columns:1fr auto;align-items:center}.handle-hero span{grid-column:1/-1;font:650 11px/1 monospace;text-transform:uppercase;letter-spacing:.1em}.handle-hero strong{font-size:clamp(55px,8vw,108px);letter-spacing:-.075em;line-height:1}.handle-hero button{border:1px solid var(--ink);background:transparent;border-radius:12px;padding:12px 16px;font-weight:700;cursor:pointer}.handle-hero p{grid-column:1/-1;margin:20px 0 0;color:rgba(20,20,17,.68)}.platform-table{margin-top:24px;border:1px solid var(--line);border-radius:22px;overflow:hidden}.platform-row{display:grid;grid-template-columns:80px 150px 240px 1fr;gap:20px;align-items:center;min-height:75px;padding:15px 22px;border-bottom:1px solid var(--line)}.platform-row:last-child{border:0}.platform-row.heading{min-height:52px;background:var(--surface);color:var(--muted);font-size:12px}.platform-row>span:first-child{color:var(--signal);font:650 11px/1 monospace}.platform-row p{margin:0;color:var(--muted);font-size:14px}.bio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:70px}.bio-grid article{min-height:280px;padding:28px;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:22px;background:var(--bg)}.bio-grid p{font-size:20px;letter-spacing:-.02em}.content-pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}.content-pillars article{min-height:245px;padding:26px;border-radius:22px;background:var(--surface)}.content-pillars b{color:var(--signal);font-size:36px}.content-pillars h3{margin:45px 0 8px}.content-pillars p{margin:0;color:var(--muted);font-size:14px}
.asset-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.asset-grid>a{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:var(--surface);transition:transform .25s}.asset-grid>a:hover{transform:translateY(-5px)}.asset-grid img{width:100%;aspect-ratio:16/10;object-fit:contain;background:var(--soft);padding:18px}.asset-grid>a:nth-child(1) img,.asset-grid>a:nth-child(3) img{aspect-ratio:16/10;object-fit:contain}.asset-grid a>div{padding:18px;display:flex;flex-direction:column}.asset-grid span{color:var(--muted);font-size:12px}.asset-cta{margin-top:70px;padding:45px;display:flex;justify-content:space-between;align-items:center;gap:30px;border-radius:28px;background:var(--pulse);color:var(--ink)}.asset-cta span{font:650 11px/1 monospace;text-transform:uppercase;letter-spacing:.1em}.asset-cta h2{font-size:44px;margin:10px 0 6px;letter-spacing:-.05em}.asset-cta p{margin:0;color:rgba(20,20,17,.68)}.asset-cta a{white-space:nowrap;padding:15px 20px;border-radius:12px;background:var(--ink);color:var(--paper);font-weight:700}
.brand-footer{min-height:150px;padding:45px max(24px,calc((100vw - 1220px)/2));display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:30px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.brand-footer .brand-lockup{color:var(--text)}.toast{position:fixed;z-index:100;left:50%;bottom:26px;transform:translateX(-50%);padding:11px 16px;border-radius:12px;background:var(--text);color:var(--bg);box-shadow:0 15px 50px rgba(0,0,0,.25);font-size:13px}
@media(max-width:980px){.brand-header{grid-template-columns:1fr auto}.edition{display:none}.brand-hero{grid-template-columns:1fr;gap:55px;padding-top:90px}.mark-stage{min-height:440px}.chapter-nav{overflow:auto;grid-template-columns:repeat(6,minmax(130px,1fr));justify-content:start}.section-intro{grid-template-columns:1fr;gap:20px}.section-intro>span{grid-row:auto}.anatomy-grid,.rules-grid,.message-stack,.bio-grid,.asset-grid{grid-template-columns:1fr}.anatomy-grid article{border-right:0;border-bottom:1px solid var(--line);min-height:220px}.logo-pair{grid-template-columns:1fr}.palette-grid{grid-template-columns:repeat(2,1fr)}.type-specimen,.motion-grid{grid-template-columns:1fr}.voice-grid,.content-pillars{grid-template-columns:repeat(2,1fr)}.platform-row{grid-template-columns:55px 120px 1fr}.platform-row>*:last-child{grid-column:2/-1}.platform-row.heading>*:last-child{display:none}.brand-footer{grid-template-columns:1fr}.brand-footer p{margin:0}}
@media(max-width:640px){:root{--shell:calc(100vw - 28px)}.brand-header{padding:10px 14px}.header-actions .download-button{display:none}.theme-control button{padding:8px}.brand-hero{min-height:auto;padding:70px 0}.brand-hero h1{font-size:58px}.hero-lede{font-size:17px}.mark-stage{min-height:360px;border-radius:28px}.hero-mark{width:210px}.guide-section{padding:100px 0}.section-intro{margin-bottom:45px}.section-intro h2{font-size:50px}.palette-grid{grid-template-columns:1fr}.swatch{min-height:200px}.ratio-grid{grid-template-columns:1fr}.ratio-grid article{min-height:110px}.type-specimen{padding:28px}.type-scale>div{grid-template-columns:1fr}.motion-timeline{grid-template-columns:1fr}.motion-timeline article{border-right:0;border-bottom:1px solid rgba(20,20,17,.24);padding-bottom:20px}.motion-timeline b{margin-top:20px}.motion-note{flex-direction:column;gap:8px}.voice-grid,.content-pillars{grid-template-columns:1fr}.platform-row{grid-template-columns:45px 1fr;padding:18px}.platform-row>*:nth-child(3),.platform-row>*:last-child{grid-column:2}.platform-row.heading>*:nth-child(3){display:none}.handle-hero{grid-template-columns:1fr;padding:28px}.handle-hero button{justify-self:start;margin-top:20px}.asset-cta{align-items:flex-start;flex-direction:column;padding:28px}.asset-cta h2{font-size:35px}.brand-footer{padding:40px 20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}