/* HD-013/016. White, charcoal and the adopted small orange accent. */
:root{--paper:#fdfdfc;--ink:#34373d;--muted:#646c72;--line:#e1e3e1;--accent:#ff8a6b;--surface:#f5f6f4;--focus:#a83d22;--wrap:1200px;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:var(--paper);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;text-underline-offset:.3em}a:hover{text-decoration:underline}img{display:block;max-width:100%;height:auto}figure,p,h1,h2,h3{margin:0}h1,h2,h3{line-height:1.5;font-weight:600;letter-spacing:.025em}p{overflow-wrap:anywhere}a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:6px;border-radius:2px}main:focus{outline:none}.wrap{width:min(var(--wrap),calc(100% - 96px));margin-inline:auto}.eyebrow{font-size:12px;font-weight:500;line-height:1.7;letter-spacing:.14em}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.skip-link{position:fixed;top:12px;left:16px;padding:10px 18px;background:var(--ink);color:white;z-index:10;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.site-header{border-bottom:1px solid var(--line)}.header-inner{min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:32px}.header-brand{display:block;flex-shrink:0}.brand-lockup{width:207px;height:46px}.header-inner nav{display:flex;gap:40px;font-size:14px;font-weight:500}.header-inner nav a{padding:14px 0;position:relative}.header-inner nav a[aria-current=page]:after{content:"";position:absolute;bottom:5px;left:0;width:18px;height:2px;background:var(--accent)}.hero{position:relative;isolation:isolate;background-image:url('/assets/hero-background.svg');background-repeat:no-repeat;background-size:1280px 720px;background-position:calc(50% + 215px) 40%;overflow:hidden}.hero-inner{position:relative;padding-top:48px;padding-bottom:58px;min-height:475px}.hero-copy{max-width:690px;position:relative}.hero-lockup{width:315px;height:70px;margin-bottom:23px}.hero h1{font-size:clamp(28px,2.9vw,40px);font-weight:500;line-height:1.6;letter-spacing:.055em}.hero-intro{margin-top:18px;line-height:1.9}.hero .button{margin-top:25px}.hero-since{position:absolute;right:0;bottom:32px;color:var(--muted)}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:35px;padding:11px 24px;font-size:15px;font-weight:500;border:1px solid var(--ink);border-radius:2px;transition:background .15s,color .15s}.button:hover{text-decoration:none;background:#53565b}.button-dark{background:var(--ink);color:white}.text-link{display:inline-flex;gap:21px;align-items:center;font-size:14px;font-weight:500}.section-top{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:25px}.section-top h2{font-size:28px;margin-top:5px}.section-top>.text-link{padding-bottom:5px}.works-section{padding-top:39px;border-top:1px solid var(--line)}.featured-works{display:grid;gap:32px}.feature-card{display:grid;grid-template-columns:1.32fr 1fr;align-items:center;gap:44px}.work-art-link{display:block;overflow:hidden;border-radius:2px}.work-image{margin:0;background:#0d1922}.work-image img{width:100%;aspect-ratio:1730/909;object-fit:cover;transition:transform .25s}.work-art-link:hover img{transform:scale(1.015)}.work-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px}.work-meta .eyebrow{font-size:12px;letter-spacing:.08em}.meta-divider{margin-inline:6px;color:#a0a5a7}.status{font-size:13px;display:inline-flex;gap:7px;align-items:center;white-space:nowrap}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}.status.preparing .status-dot{background:#9a9d9c}.work-card h3{font-size:28px;letter-spacing:.04em;margin:12px 0}.work-card p{font-size:16px;line-height:1.9}.tags{display:flex;flex-wrap:wrap;gap:8px 14px;color:var(--muted);font-size:12px;margin-top:16px}.tags span+span:before{content:"/";margin-right:14px;color:#b0b6b7}.work-actions{display:flex;align-items:center;flex-wrap:wrap;gap:24px;margin-top:23px}.work-actions .button{gap:27px}.about-strip{display:grid;grid-template-columns:120px 1fr;gap:45px;padding:65px 0;margin-top:72px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.about-strip-mark{align-self:center;justify-self:center}.about-strip-mark img{height:132px;width:auto}.about-strip h2{font-size:27px;font-weight:500;margin-top:7px}.about-strip p:not(.eyebrow){margin:16px 0 19px;max-width:47em}.notes-section{padding-top:70px}.notes-list{border-top:1px solid var(--line)}.notes-list article{display:grid;grid-template-columns:160px 1fr;gap:26px;padding:24px 0;border-bottom:1px solid var(--line)}.notes-list time{color:var(--muted);font-size:14px}.notes-list h3{font-size:18px}.notes-list p{margin-top:8px;font-size:15px}.page-head{padding-top:70px;padding-bottom:56px}.page-head h1{font-size:46px;font-weight:500;margin-top:13px;line-height:1.5}.page-lead{font-size:17px;line-height:1.9;margin-top:20px;max-width:45em}.catalog{padding-bottom:55px}.catalog-summary{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);padding:22px 0}.catalog-summary h2{font-size:20px}.catalog-summary>span{font-size:12px;color:var(--muted);letter-spacing:.1em}.work-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:45px}.work-grid .work-card-copy{padding-top:20px}.work-grid .work-card h3{font-size:27px}.preparing-heading{margin-top:58px}.empty-state{padding:24px 0;color:var(--muted)}.about-body{display:grid;grid-template-columns:1fr 1.2fr;gap:90px;border-top:1px solid var(--line);padding-block:55px}.about-symbol{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:28px;background:var(--surface);padding:42px 20px}.about-symbol img{height:205px;width:auto}.about-symbol .eyebrow{font-size:12px;letter-spacing:.06em;text-align:center;color:var(--muted)}.about-copy h2{font-size:30px;font-weight:500;margin:13px 0 21px}.about-copy p+p{margin-top:18px}.approach{display:grid;grid-template-columns:1fr 1.2fr;gap:90px;padding:50px 0;border-top:1px solid var(--line)}.approach h2{font-size:30px;font-weight:500;margin-top:12px}.approach p+p{margin-top:20px}.brand-tone{font-size:22px;line-height:1.9;letter-spacing:.055em;padding-top:14px}.end-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px 0;border-top:1px solid var(--line);margin-top:24px}.end-cta>p{font-size:20px}.detail-head{padding-top:36px;padding-bottom:32px}.back-link{font-size:14px;color:var(--muted)}.detail-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;margin-top:35px}.detail-heading h1{font-size:45px;letter-spacing:.035em;margin-top:10px}.detail-heading .page-lead{max-width:43em;font-size:16px;margin-top:12px}.detail-heading>.button{flex-shrink:0;margin-bottom:3px}.detail-art-wrap{max-width:1050px}.work-image-large{background:transparent}.work-image-large img{border-radius:2px}.work-image figcaption{font-size:12px;color:var(--muted);margin-top:8px}.detail-content{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:100px;padding-top:50px;padding-bottom:45px}.detail-content h2{font-size:28px;font-weight:500;margin:10px 0 22px}.detail-content p+p{margin-top:18px}.detail-content h3{font-size:18px;margin-top:34px}.instructions{padding-left:1.4em;margin-top:14px}.instructions li+li{margin-top:9px}.detail-facts{border-top:1px solid var(--line);padding-top:13px}.detail-facts h2{font-size:18px;margin-bottom:17px}.detail-facts dl{margin:0}.detail-facts dl>div{display:grid;grid-template-columns:88px 1fr;gap:14px;border-bottom:1px solid var(--line);padding:12px 0;font-size:14px}.detail-facts dt{color:var(--muted)}.detail-facts dd{margin:0}.detail-facts .development-note,.external-note{font-size:14px;line-height:1.9;color:var(--muted);margin-top:21px}.not-found{min-height:530px;padding-top:80px;padding-bottom:70px}.not-found h1{font-size:42px;font-weight:500;line-height:1.55;margin:15px 0 24px}.not-found .work-actions{margin-top:30px}.site-footer{display:flex;justify-content:space-between;gap:40px;padding-block:45px;margin-top:64px;border-top:1px solid var(--line)}.footer-brand{display:inline-block}.footer-brand .brand-lockup{width:162px;height:36px}.site-footer>div>p{font-size:13px;color:var(--muted);margin-top:17px;line-height:1.9}.footer-right{display:flex;flex-direction:column;justify-content:space-between;gap:35px}.footer-right nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:22px;font-size:14px}.footer-meta{display:flex;gap:25px;color:var(--muted);font-size:12px;letter-spacing:.05em}.footer-meta small{font-size:12px}.mobile-break{display:none}
@media(min-width:1600px){.hero{background-position:calc(50% + 230px) 40%;background-size:1400px 788px}.hero-inner{min-height:510px;padding-top:57px}.hero h1{font-size:42px}}
@media(max-width:1000px){.wrap{width:calc(100% - 64px)}.hero{background-position:calc(50% + 300px) 30%;background-size:1200px 675px}.hero-copy{max-width:620px}.hero h1{font-size:34px}.feature-card{gap:28px;grid-template-columns:1.2fr 1fr}.work-card h3{font-size:24px}.work-actions{gap:17px}.detail-content{gap:48px;grid-template-columns:minmax(0,1fr) 270px}.about-body,.approach{gap:48px}.detail-heading{align-items:flex-start;flex-direction:column;gap:24px}.page-head h1{font-size:40px}}
@media(max-width:700px){.wrap{width:calc(100% - 40px)}.header-inner{min-height:79px;gap:15px}.header-brand .brand-lockup{width:171px;height:38px}.header-inner nav{gap:20px;font-size:13px}.hero{background-size:830px 467px;background-position:calc(50% + 262px) 70%}.hero-inner{min-height:0;padding-top:33px;padding-bottom:52px}.hero-copy{max-width:100%}.hero-lockup{width:270px;height:60px;margin-bottom:22px}.hero h1{font-size:27px;line-height:1.65;letter-spacing:.035em}.hero-intro{font-size:15px;margin-top:18px;max-width:30em}.hero .button{margin-top:24px}.hero-since{font-size:12px;bottom:18px}.works-section{padding-top:30px}.section-top{margin-bottom:20px;gap:14px}.section-top h2{font-size:25px}.section-top>.text-link{font-size:13px;gap:12px}.eyebrow{font-size:12px}.feature-card{grid-template-columns:1fr;gap:22px}.work-card h3{font-size:28px;margin-top:10px;margin-bottom:12px}.work-card-copy{padding-bottom:6px}.work-card p{font-size:16px}.work-actions{gap:22px}.about-strip{grid-template-columns:45px minmax(0,1fr);gap:21px;padding:35px 0;margin-top:48px}.about-strip-mark{align-self:start;margin-top:34px}.about-strip-mark img{height:71px;width:auto}.about-strip h2{font-size:23px}.about-strip p:not(.eyebrow){font-size:15px;line-height:1.9}.desktop-break{display:none}.mobile-break{display:block}.notes-section{padding-top:44px}.notes-list article{grid-template-columns:1fr;gap:8px;padding:20px 0}.notes-list h3{font-size:17px}.page-head{padding-top:43px;padding-bottom:35px}.page-head h1{font-size:31px;margin-top:13px}.page-lead{font-size:16px;margin-top:17px}.work-grid{grid-template-columns:1fr;gap:35px}.catalog-summary h2{font-size:18px}.catalog{padding-bottom:0}.about-body{grid-template-columns:1fr;gap:32px;padding-block:30px}.about-symbol{padding:29px 18px;gap:20px}.about-symbol img{height:147px}.about-copy h2,.approach h2{font-size:26px}.approach{grid-template-columns:1fr;gap:25px;padding:32px 0}.brand-tone{font-size:19px}.end-cta{align-items:flex-start;flex-direction:column;gap:20px;margin-top:13px;padding-top:28px}.end-cta p{font-size:18px}.detail-head{padding-top:28px;padding-bottom:27px}.detail-heading{margin-top:26px;gap:22px}.detail-heading h1{font-size:33px}.detail-heading .page-lead{font-size:16px}.detail-content{grid-template-columns:1fr;gap:35px;padding-top:32px;padding-bottom:0}.detail-content h2{font-size:25px}.detail-content .detail-facts h2{font-size:18px}.detail-facts{padding-top:15px}.detail-facts dl>div{grid-template-columns:100px 1fr}.not-found{min-height:480px;padding-top:55px;padding-bottom:40px}.not-found h1{font-size:30px}.site-footer{flex-direction:column;padding-top:30px;margin-top:45px;gap:28px}.footer-right{gap:25px}.footer-right nav{justify-content:flex-start;gap:25px}.footer-meta{justify-content:space-between;gap:15px}.site-footer>div>p{margin-top:11px}}
@media(max-width:370px){.wrap{width:calc(100% - 32px)}.header-brand .brand-lockup{width:144px;height:32px}.header-inner nav{gap:15px;font-size:13px}.hero h1{font-size:25px}.hero-lockup{width:247px;height:55px}.hero-intro{font-size:15px}.section-top{align-items:flex-start}.section-top>.text-link{padding-top:27px}.feature-card .work-meta{gap:12px}.hero{background-position:calc(50% + 290px) 70%}}
/* Data-added titles and links must reflow, including long unbroken words. */
h1,h2,h3,a,dd{overflow-wrap:anywhere}.work-card,.work-card-copy,.detail-heading>div,.detail-content>div,.notes-list article>div{min-width:0}.feature-card:not(:has(.work-art-link)){grid-template-columns:1fr}
/* HD-016: Home-only experience and quieter brand repetition. */
.hero-inner{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(0,1fr);align-items:center;gap:24px;padding-block:46px 56px;min-height:455px}
.hero-copy{max-width:none}.hero h1{font-size:clamp(28px,2.6vw,38px);letter-spacing:.035em}.hero-intro{font-size:15px;line-height:1.95}.hero-since{bottom:20px;font-size:11px}
.hero-play{min-width:0;position:relative;align-self:center}.tangram-board{display:block;width:100%;height:auto;overflow:visible;user-select:none}
.tangram-controls{text-align:center;margin-top:-8px}.tangram-controls[hidden]{display:none}.tangram-controls p{font-size:12px;color:var(--muted);margin-top:9px}
.rearrange{font:inherit;font-size:13px;line-height:1.5;min-height:44px;padding:10px 18px;border:1px solid #c2c7c4;border-radius:2px;background:var(--paper);color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;gap:26px}
.rearrange:hover{background:#f1f2ee}.rearrange[aria-disabled=true]{cursor:wait;color:var(--muted)}
.is-ready [data-piece] polygon{touch-action:none;cursor:grab;stroke:transparent;stroke-width:1.5px;stroke-linejoin:round;vector-effect:non-scaling-stroke;transition:stroke .12s}
.is-ready [data-piece]:hover polygon{stroke:#777e80}
/* SVG's native :focus outline also appears when :focus-visible is false. */
.is-ready [data-piece]:focus{outline:none}
.is-ready .tangram-board:focus{outline:none}
.is-ready:not(.is-pointer-input) [data-piece]:focus-visible polygon{stroke:var(--focus);stroke-width:3px}
.piece-focus-ring{display:none;fill:none;stroke:var(--focus);stroke-width:3px;stroke-linejoin:round;vector-effect:non-scaling-stroke;pointer-events:none}
.is-ready:not(.is-pointer-input) [data-piece]:focus-visible~.piece-focus-ring{display:block}
.is-ready .is-dragging polygon{cursor:grabbing;stroke:var(--ink);stroke-width:2px}.is-arranging [data-piece] polygon{cursor:wait}
.launch-group{display:flex;flex-direction:column;align-items:flex-start;gap:7px;flex-shrink:0}.launch-platform{font-size:12px;color:var(--muted);line-height:1.5}.work-actions{align-items:flex-end}.work-actions>.text-link{min-height:48px}.detail-heading>.launch-group{margin-bottom:3px}
.about-strip{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:43px 0 46px;margin-top:66px;border-bottom:0}.about-strip h2{font-size:25px}.about-strip p:not(.eyebrow){margin:12px 0 0;font-size:15px}.about-strip>.text-link{flex-shrink:0}
.home-page .site-footer{margin-top:0}.footer-wordmark{width:158px;height:auto}.site-footer{align-items:flex-start}
.section-heading{display:grid;grid-template-columns:24px minmax(0,1fr);column-gap:13px;align-items:start}
.section-marker{width:24px;height:24px;margin-top:4px;color:#9da6aa;pointer-events:none}
.section-heading .eyebrow{color:var(--muted)}
@media(max-width:1000px){.hero-inner{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:8px;min-height:420px}.hero h1{font-size:29px}.hero-intro{font-size:14px}.header-inner nav{gap:25px}.about-strip h2{font-size:23px}}
@media(max-width:700px){.header-brand .brand-lockup{width:145px;height:auto}.header-inner{gap:12px;min-height:75px}.header-inner nav{gap:14px;font-size:12px;white-space:nowrap}.hero-inner{grid-template-columns:1fr;gap:0;padding-block:30px 39px;min-height:0}.hero h1{font-size:27px;line-height:1.65}.hero-intro{font-size:14px;margin-top:14px}.hero .button{margin-top:19px}.hero-play{width:min(100%,320px);justify-self:center;margin-top:0}.tangram-controls{margin-top:-9px}.hero-since{bottom:10px}.hero{background-position:calc(50% + 205px) 84%}.about-strip{align-items:flex-start;flex-direction:column;gap:22px;margin-top:45px;padding-block:30px 33px}.about-strip h2{font-size:22px}.about-strip p:not(.eyebrow){font-size:14px}.footer-wordmark{width:150px}.site-footer{gap:25px}}
@media(max-width:370px){.header-brand .brand-lockup{width:120px}.header-inner nav{gap:12px;font-size:11px}.hero h1{font-size:24px}.hero-play{width:290px;max-width:100%}.section-top h2{font-size:23px}.section-top>.text-link{padding-top:0;align-self:flex-end}.footer-right nav{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
@media(max-width:700px){.section-heading{grid-template-columns:18px minmax(0,1fr);column-gap:10px}.section-marker{width:18px;height:18px;margin-top:3px}.home-page .section-top{flex-wrap:wrap}.home-page .section-top>.text-link{margin-left:auto}}
/* Published articles add a third navigation item; keep it clear at phone widths. */
@media(max-width:700px){.header-inner:has(nav a[href="/articles/"]){flex-wrap:wrap;justify-content:center;gap:0;padding-top:15px}.header-inner:has(nav a[href="/articles/"]) nav{width:100%;justify-content:center;gap:26px}.header-inner:has(nav a[href="/articles/"]) .header-brand{margin-bottom:3px}}
.notes-list h2{font-size:20px}
@media(max-width:700px){.notes-list h2{font-size:18px}}