/* The mathematical atelier: paper, ink, cobalt and a little orange. */
:root,.reading{--bg:#f7f5ef;--panel:#fffefa;--text:#252b36;--muted:#596373;--lime:#244ed5;--line:#27395c26;color-scheme:light}
body{background:var(--bg);isolation:isolate;overflow-x:clip}
body:before{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(#4868a509 1px,transparent 1px),linear-gradient(90deg,#4868a509 1px,transparent 1px);background-size:56px 56px}
#flowCanvas{z-index:0;opacity:1;display:block!important}
.page{position:relative;z-index:auto}.site-footer{position:relative;z-index:1}
.page{width:min(1360px,90vw)}
.site-header,.reading .site-header{background:#f7f5efd9;box-shadow:0 3px 20px #38517b05;border-bottom:1px solid var(--line);padding:18px 5vw;gap:22px}
.brand{font-size:32px}.brand i{color:#ec623f}.nav{gap:22px}.nav a{font-size:13px;color:var(--muted)!important;transition:color .25s}.nav a:hover,.nav a[aria-current=page]{color:var(--lime)!important}
.nav a:after{content:'';position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s}.nav a:hover:after,.nav a[aria-current=page]:after{transform:scaleX(1)}
.language-switch{display:flex;gap:3px;padding:3px;border:1px solid var(--line);border-radius:30px;flex-shrink:0;font:11px var(--mono)}.language-switch a{padding:5px 8px;border-radius:20px}.language-switch a[aria-current]{background:var(--text);color:white}.language-switch a:not([aria-current]):hover{background:#e7eafa}
.music-toggle{background:#fffefa}.hero{min-height:760px;padding:85px 0 95px;gap:60px}.hero h1{font-size:clamp(74px,8.6vw,132px);line-height:1.16;letter-spacing:-.055em;margin:32px 0;color:var(--text)}
.hero h1 .outline{color:var(--lime);-webkit-text-stroke:0;display:inline-block}.hero h1 .dot{color:#ec623f}.hero-top{color:var(--muted);letter-spacing:1px}.live-dot{background:#ec623f;box-shadow:0 0 0 5px #ec623f13;animation:beacon 3s ease-in-out infinite}.hero .intro{color:#475264;background:#f7f5efd9;display:table;padding:8px 14px 8px 0;border-radius:8px}.hero-art{min-height:510px;display:grid;place-items:center}
.hero-art:before{content:'f(t) = (cos t, sin 2t)';position:absolute;top:-30px;right:0;font:italic 14px Georgia,serif;color:var(--lime);border-bottom:1px solid var(--line);padding-bottom:8px}
.hero-art:after{content:'x × y → ∞';position:absolute;left:-10px;bottom:35px;font:italic 22px Georgia,serif;color:#ec623f;transform:rotate(-12deg)}
.orbit{width:460px;height:460px;border-color:#244ed538;transform:translate(-50%,-50%) rotate(-20deg) scaleY(.8);animation:orbital 18s ease-in-out infinite}.orbit:before{content:'';position:absolute;inset:36px -30px;border:1px dashed #244ed54d;border-radius:50%;transform:rotate(60deg)}.orbit:after{content:'r = curiosity²';font:italic 16px Georgia,serif;letter-spacing:0;top:15px;left:15%;color:var(--lime);background:var(--bg)}
.phone{width:220px;background:#303947;border-color:#8a94a5;box-shadow:24px 35px 65px #22366b25;animation:levitate 7s ease-in-out infinite}
.floating-label{background:#fffef8e8;border:1px solid #27395c36;border-radius:3px;box-shadow:8px 8px 0 #294edd0c;color:var(--text);padding:16px 22px;z-index:2}.floating-label.one{top:10%;left:-15px;animation:label-float 9s ease-in-out infinite}.floating-label.two{bottom:12%;right:-15px;animation:label-float 8s ease-in-out infinite reverse}.floating-label strong{font-weight:500}.hero-art .note{color:var(--muted);bottom:-15px;font-size:10px}
.button{background:#fffefa;transition:transform .25s,box-shadow .25s,background .25s}.button.primary,.music-play{background:var(--lime);color:#fff;border-color:var(--lime)}.button:hover{transform:translateY(-4px);box-shadow:0 8px 0 #244ed515}.button span{transition:transform .25s}.button:hover span{transform:translate(3px,-3px)}
.ticker{background:#f7f5efd9;padding:24px 0;letter-spacing:1.5px}.ticker b{color:#ec623f;display:inline-block;animation:spin 18s linear infinite}.section{padding:110px 0}.section-head h2,.section h2{font-weight:500;letter-spacing:-1.5px;line-height:1.5}.eyebrow{color:var(--lime);letter-spacing:1.5px}.section-head .eyebrow:before{content:'+';color:#ec623f;margin-right:8px}
.featured-grid{gap:34px}.product-tile{border-radius:4px;border:1px solid #27395c30;box-shadow:0 5px 0 #244ed508;transition:transform .45s,box-shadow .45s}.product-tile:hover{transform:translateY(-9px);box-shadow:0 16px 35px #244ed518}.tile-stage{background:#e4eadf;background-image:linear-gradient(130deg,#ffffff44,transparent);border-bottom:1px solid var(--line);height:340px}.tile-stage.sand{background-color:#eee3d2}.tile-stage.blue{background-color:#dce5f2}.tile-stage.rose{background-color:#f1dedc}.tile-stage img{transition:transform .6s cubic-bezier(.2,.8,.2,1)}.product-tile:hover .tile-stage img{transform:translateY(-12px) rotate(-3deg)}.product-tile:hover .tile-stage img+img{transform:translateY(18px) rotate(3deg)}.tile-info{background:#fffefa}.tile-info .arrow{color:#ec623f;transition:transform .3s}.product-tile:hover .arrow{transform:rotate(45deg)}
.featured-grid .product-tile:nth-child(even){margin-top:55px}.featured-grid .product-tile:nth-child(odd){margin-bottom:55px}.app-grid{gap:28px}.app-grid .tile-stage{height:300px}.app-grid .tile-info{min-height:175px}
.world-grid{gap:34px}.photo-tile{border-radius:4px}.photo-caption{color:#fff}.photo-caption .eyebrow{color:#e1eaff}.research-tile{background:#e8edffdd;color:var(--text);border-radius:4px;position:relative;overflow:hidden}.research-tile:before{content:'';position:absolute;width:280px;height:280px;right:-100px;top:-120px;border:1px solid #244ed54d;border-radius:50%;box-shadow:0 0 0 15px #244ed509,0 0 0 30px #244ed507,0 0 0 45px #244ed505;animation:orbital 20s ease-in-out infinite}.research-tile .equation{color:var(--lime);font:italic 56px Georgia,serif;opacity:.7}.research-tile h3{line-height:1.6}.closing{background:#f7f5efbd}.closing h2{line-height:1.4}.closing h2 span{color:var(--lime)}
.page-hero{position:relative;padding:100px 0 70px;min-height:365px}.page-hero:after{content:'∂ / ∂t';position:absolute;top:60px;right:10px;font:italic clamp(45px,9vw,140px) Georgia,serif;color:#244ed51c;transform:rotate(-12deg);pointer-events:none}.page-hero h1{position:relative;z-index:1;line-height:1.4;font-size:clamp(46px,6.4vw,92px);letter-spacing:-.035em;max-width:1100px}.page-hero .lead{background:#f7f5efc9;padding:8px 0;max-width:680px;position:relative}.page-hero .meta{color:var(--muted)}
.project-row,.contact-card{background:#fffefaec;border-radius:4px;transition:transform .35s,box-shadow .35s}.project-row:hover,.contact-card:hover{transform:translateY(-4px);box-shadow:8px 8px 0 #244ed50d}.project-row .symbol{color:#ec623f}.filter,.gallery-filter{background:#fffefa}.filter[aria-pressed=true],.gallery-filter.is-active{background:var(--lime);color:white}.research-row{background:#f7f5efc9;transition:padding .3s,background .3s}.research-row:hover{background:#fffefa;padding-inline:15px}.research-row .index{font:italic 30px Georgia,serif;color:#ec623f}.about-grid p{background:#f7f5efcc}.about-grid blockquote{font-weight:500;color:var(--lime)}.fact-list{background:#f7f5efcc}.site-footer{background:#f7f5efe6}
.gallery-card-copy{color:white}.gallery-card{border-radius:3px}.lightbox-backdrop{background:#f7f5effa}.lightbox-loader{background:#fffefa;color:var(--text);border:1px solid var(--line)}.lightbox-close,.lightbox-nav{background:#fffefa;color:var(--text);border-color:var(--line)}.lightbox-dialog figcaption{color:var(--text)}
.music-panel,.reading .music-panel{--text:#252b36;--muted:#596373;--line:#27395c26;--lime:#244ed5;background:#fffefa;color:var(--text);color-scheme:light;border:1px solid #27395c40;box-shadow:12px 15px 0 #244ed512,0 25px 65px #26335226;border-radius:8px}.turntable{background:linear-gradient(140deg,#dbe0e5,#b8c1c9);border:1px solid #9da7b1}.vinyl:before{background:#ec623f}.vinyl:after{color:white}.music-play{color:white}.music-controls label{font-size:12px}
.reading .article-head{max-width:1050px}.reading .article-layout{background:#fffefaed;padding:40px 25px 100px;gap:45px;border-top:1px solid var(--line)}.reading .article-head{background:#f7f5efee}.paper{color:#252b36}.source-language{font-size:12px;color:var(--muted);max-width:850px}.toc{background:#fffefa}.toc .eyebrow{color:var(--lime)}.reading .research-note{background:#eaf0fb}.versions{background:#fffefa}.paper .equation-block{background:#edf1f8}.paper tr:first-child{background:#edf1f8}.detail-top .lead{background:#f7f5efce}.description{background:#fffefaeb;padding:30px;border-left:2px solid var(--lime)}
.reveal{transition:opacity .85s,transform .85s}.js-ready .reveal:not(.is-visible){transform:translateY(40px)}
@keyframes levitate{0%,100%{transform:translateY(0) rotate(7deg)}50%{transform:translateY(-15px) rotate(3deg)}}
@keyframes label-float{0%,100%{transform:translateY(0) rotate(-5deg)}50%{transform:translateY(10px) rotate(-1deg)}}
@keyframes orbital{0%,100%{transform:translate(-50%,-50%) rotate(-20deg) scaleY(.8)}50%{transform:translate(-50%,-50%) rotate(15deg) scaleY(.9)}}
@keyframes beacon{50%{box-shadow:0 0 0 9px #ec623f05}}
@media(min-width:1500px){.hero{min-height:820px}.hero-art .phone{width:250px}}
@media(max-width:1100px){.site-header{gap:14px}.nav{gap:12px}.nav a{font-size:12px}.music-label{display:none}.hero{gap:25px}.hero h1{font-size:90px}.floating-label.one{left:-5px}.floating-label.two{right:-5px}}
@media(max-width:760px){.site-header{gap:9px;padding:14px 5vw}.brand{font-size:27px}.menu-toggle{margin-left:auto}.language-switch{font-size:10px}.language-switch a{padding:4px 7px}.nav{gap:15px 20px;order:5}.music-toggle{padding:6px}.page{width:90vw}.hero{padding:55px 0 65px;gap:55px;min-height:0}.hero h1{font-size:clamp(65px,17vw,100px);line-height:1.25;letter-spacing:-.06em}.hero-top{font-size:9px;gap:10px}.hero-art{min-height:440px;height:440px;padding:10px}.hero-art .phone{width:190px}.hero-art .orbit{width:300px;height:350px}.hero-art:before{top:-20px;font-size:12px}.hero-art:after{bottom:0;left:0}.floating-label{padding:12px;font-size:9px}.floating-label strong{font-size:12px}.floating-label.one{top:8%;left:0}.floating-label.two{right:0;bottom:10%}.hero-art .note{bottom:-30px;font-size:8px;left:0}.ticker{font-size:9px;gap:16px}.section{padding:65px 0}.featured-grid{gap:25px}.featured-grid .product-tile:nth-child(n){margin:0}.tile-stage{height:310px}.app-grid .tile-stage{height:340px}.app-grid .tile-info{min-height:0}.page-hero{padding:60px 0 40px;min-height:0}.page-hero h1{font-size:clamp(35px,9vw,54px);line-height:1.5}.page-hero:after{font-size:65px;top:15px}.page-hero .meta{flex-wrap:wrap;gap:12px}.closing h2{font-size:48px;line-height:1.5;letter-spacing:-2px}.section-head h2{font-size:32px;line-height:1.6}.reading .article-layout{padding:30px 12px 65px}.research-row:hover{padding-inline:0}.music-panel{top:76px;right:5vw;width:90vw;max-width:360px}.description{padding:20px}.lightbox-dialog figcaption{gap:15px}}
@media(prefers-reduced-motion:reduce){#flowCanvas{display:block!important;opacity:.55}.phone,.floating-label,.orbit{animation:none!important}.phone{transform:rotate(5deg)}}
@media(max-width:760px){.hero-art{height:480px;min-height:480px;overflow:clip}.hero-art:before{top:0}.hero-art .note{bottom:0}.hero-art:after{bottom:30px}}
.hero-art{overflow:clip}.hero-art:before{top:0}.hero-art .note{bottom:0}.floating-label.one{left:0}.floating-label.two{right:0}

/* Keep prose on the paper, not on disconnected translucent rectangles. */
.hero .intro,.page-hero .lead,.about-grid p,.fact-list,.closing,.detail-top .lead,.research-row,.reading .article-head,.reading .article-layout,.toc,.description{background:transparent}
.reading .research-note{background:transparent}.description{padding:10px 0 10px 24px}.reading .article-layout{padding-inline:0}.research-row:hover{background:transparent;padding-inline:0}.ticker{background:transparent;padding:25px clamp(24px,3vw,48px);gap:24px}.ticker span{padding:5px 0}
.about-grid{gap:clamp(40px,6vw,85px)}.about-grid p{margin:0 0 26px;max-width:65ch;line-height:2.05}.about-grid h2{margin-bottom:32px}.section .about-grid{padding:0}.research-note{padding-left:22px}.research-reading-links{display:flex;flex-wrap:wrap;gap:24px;margin-top:20px}
.site-header{display:block;padding:16px clamp(20px,5vw,80px)}.header-inner{display:grid;grid-template-columns:minmax(75px,1fr) minmax(520px,760px) minmax(180px,1fr);align-items:center;gap:clamp(24px,3vw,55px);max-width:1520px;margin:auto}.nav{width:100%;margin:0;justify-content:space-between;gap:clamp(14px,2vw,32px)}.nav a{padding:10px 0;font-size:14px;white-space:nowrap}.header-tools{display:flex;align-items:center;justify-content:flex-end;gap:14px}.header-tools .music-label{display:inline}.header-tools .menu-toggle{margin:0}.music-toggle{white-space:nowrap}
.music-panel{max-height:calc(100dvh - 105px);overflow-y:auto;overscroll-behavior:contain;padding:22px}.record-label{display:block;font:11px var(--mono);color:var(--muted);margin:0 0 8px}.record-select{width:100%;background:#f7f5ef;color:var(--text);border:1px solid var(--line);border-radius:6px;font:13px var(--font);padding:10px 12px;margin-bottom:18px}.official-video{margin:15px 0;min-height:200px;width:100%}.official-video iframe{display:block;width:100%;height:200px;border:0}.record-note{font-size:11px;line-height:1.7;color:var(--muted);margin-bottom:12px}.record-external{font-size:11px}.vinyl:after{content:'HANZ\A RECORD ROOM';font-size:7px}.music-state{margin-bottom:0}
.typeset-equation{display:block;overflow-x:auto;padding:24px 5px;margin:20px 0;border-block:1px solid var(--line)}.typeset-equation math{font-size:1.16em;min-width:max-content;margin:0 auto}.paper .equation-block{background:transparent;border-radius:0;border-block:1px solid var(--line);padding:22px 8px}.curiosity-toggle{border:1px dashed var(--line);background:transparent;padding:6px 12px;border-radius:20px;color:var(--muted);font:11px var(--mono)}.curiosity-toggle:hover,.curiosity-toggle[aria-pressed=true]{color:#914c73;border-color:#914c73}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(max-width:1200px){.header-inner{grid-template-columns:75px minmax(440px,1fr) auto;gap:25px}.header-tools{gap:10px}.header-tools .music-label{display:none}.nav a{font-size:13px}}
@media(max-width:1020px){.header-inner{grid-template-columns:1fr auto;gap:14px}.header-tools .menu-toggle{display:block}.nav{display:none;grid-column:1/-1;grid-row:2;flex-wrap:wrap;justify-content:flex-start;gap:10px 25px;padding:8px 0;border-top:1px solid var(--line)}.nav.open{display:flex}.nav a{font-size:14px}.header-tools .music-label{display:inline}}
@media(max-width:760px){.site-header,.reading .site-header{padding:14px 5vw}.header-inner{gap:8px}.header-tools{gap:8px}.header-tools .music-label{display:none}.ticker{justify-content:flex-start;gap:10px 0;padding:20px 22px}.ticker span{flex:1 1 50%;font-size:9px}.ticker span:nth-child(even){text-align:right}.description{padding:5px 0 5px 18px}.reading .article-layout{padding:30px 0 65px}.record-select{font-size:12px}.music-panel{padding:18px;max-height:calc(100dvh - 95px)}.typeset-equation{padding:20px 0}.typeset-equation math{font-size:1.05em}.research-reading-links{gap:18px}.site-footer{padding-inline:5vw}.about-grid h2{margin-bottom:25px}}
.music-head{position:sticky;top:-22px;z-index:5;background:#fffefa;padding:10px 0;align-items:center}.music-close{min-width:32px;min-height:32px}.record-select:focus-visible,.curiosity-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.record-embed{margin:15px 0;min-height:175px}.record-embed iframe{width:100%;height:175px;display:block;border:0;border-radius:8px}.official-record .music-controls label,.official-record .music-seek,.official-record .music-time,.official-loaded .music-controls{display:none}.official-record .turntable{height:200px}.official-record .vinyl{top:18px;left:24px;width:160px;height:160px}.official-record .vinyl:before{inset:53px}.official-record .vinyl:after{inset:62px}.official-record .spindle{top:94px;left:99px}.official-record .tonearm{height:130px}
.research-note{background:transparent}.reading .site-header{padding:16px clamp(20px,5vw,80px)}
@media(max-width:760px){.reading .site-header{padding:14px 5vw}.music-head{top:-18px}}

/* A quiet card table, not a casino: paper stock, ink and restrained flourishes. */
.wonder-section{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:80px 0 55px}.wonder-intro h2{font-size:clamp(30px,3.4vw,48px);font-weight:500;line-height:1.5;letter-spacing:-1px;margin:0 0 15px}.wonder-intro p:not(.eyebrow){color:var(--muted);font-size:14px}.wonder-deck{position:relative;min-height:300px;display:flex;align-items:center;justify-content:center;isolation:isolate}.playing-card{width:160px;height:230px;border:1px solid #27395c38;border-radius:13px;background:#fffefa;color:var(--text);box-shadow:0 12px 30px #243c641b;position:absolute;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;transition:transform .55s,box-shadow .4s}.playing-card>span{position:absolute;left:14px;top:12px;font:20px var(--mono);text-align:center}.playing-card i{display:block;font-style:normal;font-size:13px}.playing-card strong{font:65px Georgia,serif}.playing-card small{font:11px var(--font);letter-spacing:1px}.card-one{transform:translateX(-120px) rotate(-18deg);color:var(--lime)}.card-two{transform:translateY(-15px) rotate(2deg);color:#b74a61;z-index:2}.card-three{transform:translateX(120px) rotate(18deg)}.playing-card:hover,.playing-card:focus-visible{transform:translateX(0) translateY(-45px) rotate(0);z-index:4;box-shadow:0 20px 45px #244ed529}.card-one:hover,.card-one:focus-visible{transform:translateX(-135px) translateY(-30px) rotate(-9deg)}.card-three:hover,.card-three:focus-visible{transform:translateX(135px) translateY(-30px) rotate(9deg)}
.footer-curiosities{display:flex;gap:8px;flex-wrap:wrap}.wonder-dialog{width:min(700px,92vw);max-height:88dvh;overflow-y:auto;border:1px solid var(--line);border-radius:12px;background:#fffefa;color:var(--text);padding:30px 36px;box-shadow:0 30px 100px #27395c30;font:16px/1.7 var(--font)}.wonder-dialog::backdrop{background:#f7f5efcc;backdrop-filter:blur(8px)}.wonder-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:15px;font:10px var(--mono);letter-spacing:1.5px}.wonder-head button{width:36px;height:36px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--text);font-size:20px}.wonder-dialog h2{font-size:clamp(25px,4vw,38px);font-weight:500;line-height:1.4;margin:25px 0 12px}.wonder-lead{color:var(--muted);font-size:14px;max-width:60ch}.wonder-step{font:12px var(--mono);color:var(--lime);margin:24px 0 15px}.card-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card-column{display:flex;flex-direction:column;align-items:center;gap:7px;background:#f7f5ef;border:1px solid var(--line);padding:12px;border-radius:10px;transition:background .3s,transform .3s}.card-column:hover{background:#edf0fd;transform:translateY(-4px)}.column-index{font:10px var(--mono);color:var(--muted);margin-bottom:5px}.tiny-card{display:flex;align-items:center;justify-content:space-between;gap:15px;width:85px;height:42px;padding:5px 13px;background:white;color:#252b36;border:1px solid #27395c26;border-radius:5px;font:19px var(--mono)}.tiny-card.red{color:#b74a61}.tiny-card b{font-weight:500}.card-revelation{display:grid;place-items:center;padding:30px;perspective:700px}.card-revelation .tiny-card{height:180px;width:128px;font-size:45px;flex-direction:column;justify-content:center;animation:card-reveal .7s ease-out}.reveal-caption{text-align:center;color:var(--lime)}.camera-frame{position:relative;margin-top:24px;aspect-ratio:3/2;overflow:hidden;border:10px solid white;box-shadow:0 0 0 1px var(--line),0 15px 30px #27395c15;--focus-x:50%;--focus-y:50%}.camera-frame img{width:100%;height:100%;object-fit:cover;transition:filter .5s}.camera-frame[data-film=mono] img{filter:grayscale(1) contrast(1.13)}.camera-frame[data-film=warm] img{filter:sepia(.4) saturate(.8) contrast(1.08)}.focus-reticle{position:absolute;left:var(--focus-x);top:var(--focus-y);width:48px;height:48px;transform:translate(-50%,-50%);border:1px solid #fff9;pointer-events:none}.shutter-curtain{position:absolute;inset:0;background:#252b36;transform:scaleY(0);transform-origin:top;pointer-events:none}.camera-frame.captured .shutter-curtain{animation:shutter .3s ease-in-out}.film-controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.film-controls button:not(.button){border:1px solid var(--line);padding:8px 12px;border-radius:25px;background:transparent;color:var(--muted);font-size:12px}.film-controls button[aria-pressed=true]{background:var(--lime);color:white}.print-caption{font-size:12px;color:var(--muted);border-left:2px solid #ec623f;padding-left:15px;margin:25px 0 0}.wonder-dialog button:focus-visible{outline:2px solid var(--lime);outline-offset:4px}#main:focus{outline:none}
@keyframes card-reveal{from{transform:rotateY(-75deg) translateY(20px);opacity:0}to{transform:rotateY(0);opacity:1}}@keyframes shutter{50%{transform:scaleY(1)}to{transform:scaleY(0)}}
@media(min-width:761px) and (max-width:1100px){.header-inner{grid-template-columns:auto 1fr;gap:14px}.header-tools{justify-content:flex-end}.header-tools .menu-toggle{display:none}.nav,.nav.open{display:flex;grid-column:1/-1;grid-row:2;justify-content:space-between;flex-wrap:nowrap;gap:14px;border-top:1px solid var(--line);padding:8px 5px 0}.nav a{font-size:13px;padding:8px 2px}.site-header,.reading .site-header{padding:12px 5vw}.music-panel{top:125px;max-height:calc(100dvh - 145px)}}
@media(max-width:760px){.wonder-section{grid-template-columns:1fr;gap:30px;padding:55px 0 25px}.wonder-deck{min-height:280px}.playing-card{width:132px;height:200px}.card-one{transform:translateX(-85px) rotate(-15deg)}.card-three{transform:translateX(85px) rotate(15deg)}.card-one:hover,.card-one:focus-visible{transform:translateX(-85px) translateY(-25px) rotate(-9deg)}.card-three:hover,.card-three:focus-visible{transform:translateX(85px) translateY(-25px) rotate(9deg)}.playing-card strong{font-size:52px}.wonder-dialog{padding:20px;max-height:90dvh}.card-columns{gap:8px}.card-column{padding:9px 4px}.tiny-card{width:62px;padding:5px 8px;gap:8px;height:38px;font-size:17px}.footer-curiosities{gap:8px}.camera-frame{border-width:7px}.film-controls .button{width:100%;margin-top:8px}.film-controls{justify-content:space-between}}
@media(max-width:760px){.header-inner{grid-template-columns:1fr auto;gap:14px}.header-tools .menu-toggle{display:block}.nav{display:none;grid-column:1/-1;grid-row:2;flex-wrap:wrap;justify-content:flex-start;gap:10px 25px;padding:8px 0;border-top:1px solid var(--line)}.nav.open{display:flex}.nav a{font-size:14px}}
.hero h1 .thought{display:inline-block;white-space:nowrap}
.wonder-deck{overflow:clip;overflow-clip-margin:0}
.morph-stage{position:relative;display:grid;place-items:center;min-height:340px;perspective:950px;isolation:isolate;overflow:clip;background:radial-gradient(ellipse at center,#edeaff80,transparent 65%)}
.morph-card{position:relative;width:156px;height:224px;border:1px solid #27395c30;border-radius:14px;background:#fffefa;color:#283657;box-shadow:0 22px 40px #27395c24;cursor:pointer;transform-style:preserve-3d;z-index:2;transition:box-shadow .2s}
.morph-card:hover{box-shadow:0 25px 50px #244ed538}.morph-card.red{color:#c14265}.morph-card>strong{font:90px Georgia,serif;font-weight:400}.morph-corner{position:absolute;top:14px;left:14px;font:23px var(--mono);line-height:1.1}.morph-corner i{display:block;font:17px Georgia,serif;font-style:normal}.morph-corner.bottom{top:auto;left:auto;right:14px;bottom:14px;transform:rotate(180deg)}
.magic-orbit{position:absolute;width:280px;height:280px;border:1px solid #244ed522;border-radius:50%;transform:rotateX(64deg) rotateZ(-20deg);pointer-events:none}.orbit-two{width:320px;height:320px;border-style:dashed;transform:rotateX(45deg) rotateY(-40deg)}.magic-flash{position:absolute;inset:15%;background:radial-gradient(ellipse,#fff 5%,#ebd09870 25%,transparent 65%);opacity:0;pointer-events:none;z-index:3;mix-blend-mode:screen}
.magic-controls{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.magic-controls button{padding:9px 15px;border:1px solid var(--line);background:transparent;border-radius:25px;font:13px var(--font);color:var(--muted)}.magic-controls button[aria-pressed=true]{background:#244ed5;color:white}.magic-controls button:disabled{opacity:.65}.magic-status{text-align:center;min-height:2.8em;margin:20px 0 0;font:13px/1.7 var(--font);color:var(--muted)}
.morph-stage[data-effect=flip] .morph-card{animation:magic-flip 1s cubic-bezier(.4,0,.2,1)}.morph-stage[data-effect=flash] .morph-card{animation:magic-snap 1s ease-in-out}.morph-stage[data-effect=flash] .magic-flash{animation:magic-light 1s ease-out}.morph-stage[data-effect=cascade] .morph-card{animation:magic-cut 1s cubic-bezier(.3,.05,.2,1)}.morph-stage[data-effect] .magic-orbit{animation:magic-ring 1s ease-out}
@keyframes magic-flip{0%,100%{transform:rotateY(0) translateY(0)}45%{transform:rotateY(90deg) translateY(-25px)}50%{transform:rotateY(-90deg) translateY(-25px)}75%{transform:rotateY(12deg) translateY(-5px)}}
@keyframes magic-snap{0%,100%{transform:rotate(-3deg) scale(1);opacity:1;filter:blur(0)}42%,55%{transform:rotate(15deg) scale(.88);opacity:0;filter:blur(8px)}75%{transform:rotate(-7deg) scale(1.08);opacity:1;filter:blur(0)}}
@keyframes magic-cut{0%,100%{transform:translate(0,0) rotate(0);opacity:1}42%{transform:translate(-110px,-40px) rotate(-32deg);opacity:0}50%{transform:translate(110px,35px) rotate(32deg);opacity:0}80%{transform:translate(-8px,-5px) rotate(-4deg);opacity:1}}
@keyframes magic-light{0%,100%{opacity:0;transform:scale(.5) rotate(-30deg)}48%{opacity:1;transform:scale(1.8) rotate(30deg)}}@keyframes magic-ring{50%{border-color:#9d74c760;filter:drop-shadow(0 0 6px #244ed550)}}
@media(max-width:760px){.morph-stage{min-height:300px}.morph-card{width:140px;height:202px}.magic-controls{gap:7px}.magic-controls button{font-size:12px;padding:8px 10px}.magic-orbit{width:240px;height:240px}.orbit-two{width:260px;height:260px}}
@media(min-width:761px) and (max-width:1100px){html{scroll-padding-top:145px}.toc{top:145px}.wonder-section{grid-template-columns:1fr;gap:25px;padding-top:55px}.wonder-deck{min-height:300px}.music-panel{top:135px;max-height:calc(100dvh - 155px)}}