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/* The Workshop: a physical workspace, a bold greeting and a tactile robot. */
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/* Little World: navigation becomes a small, explorable illustrated island. */
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/* Field Notes: a quiet editorial page with oversized type and generous space. */
body[data-theme=journal]{--bg:#f5f1e9;--paper:#eee8db;--accent:#e18450;--ink:#292925;--line:#29292530}body[data-theme=journal] .brand{font-family:Georgia,serif;font-weight:400;font-size:30px}.journal-hero{padding-top:45px;padding-bottom:50px}.journal-heading{display:flex;align-items:center;justify-content:space-between}.journal-star{font-size:60px;color:var(--accent);line-height:1}.journal-hero h1{font-family:Georgia,'Times New Roman',serif;font-size:clamp(65px,7vw,99px);letter-spacing:-5px;font-weight:400;line-height:1.05;max-width:1000px;margin:20px 0 40px}.journal-bottom{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.journal-hero .lead{font-size:17px;max-width:350px;margin-bottom:0}.editorial-art{background:#e4dfd2;height:235px;position:relative;overflow:hidden}.brick{position:absolute;width:110px;height:65px;box-shadow:8px 10px 0 #0002}.brick:before,.brick:after{content:'';position:absolute;top:-13px;width:28px;height:15px;background:inherit;border-radius:50% 50% 0 0;box-shadow:inset 0 3px 0 #fff3}.brick:before{left:14px}.brick:after{right:14px}.b1{background:#486256;left:12%;top:125px;transform:rotate(-12deg)}.b2{background:#e29357;left:36%;top:60px;transform:rotate(8deg)}.b3{background:#ccbf8e;left:63%;top:110px;transform:rotate(-17deg)}.b4{background:#7892a0;left:40%;top:143px;transform:rotate(10deg)}.spark{position:absolute;font-size:45px;top:16px;right:20px;color:#e18450}.art-caption{position:absolute;bottom:10px;left:15px;font:9px monospace;letter-spacing:1px;text-transform:uppercase}.scroll-link{display:inline-block;margin-top:35px;font-size:13px}.journal-hero~.sections .section-heading{gap:40px}.journal-hero~.sections .section-heading h2{font:400 42px Georgia,serif}.journal-hero~.sections .course-list{display:block}.journal-hero~.sections .course-list article{display:grid;grid-template-columns:50px 1fr 1fr;align-items:baseline;padding:22px 0;border:0;border-bottom:1px solid var(--line);background:none}.journal-hero~.sections .course-list h3{margin:0;font-size:21px}.journal-hero~.sections .course-list p{font-size:14px}.journal-hero~.sections .cat-layout h3{font-family:Georgia,serif;font-weight:400}.journal-hero~.sections .cat-portrait{border-radius:0}.journal-hero~.sections .primary{border-radius:0;background:#ac4f2e;color:#fff}
/* Eitan OS: a desktop with real, keyboard-accessible content windows. */
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@media(min-width:1280px){.os-hero{margin-inline:auto}}
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nav button{padding:0;background:none;border:0;font:inherit;color:inherit}nav button:hover{text-decoration:underline;text-underline-offset:5px}
/* Build Mode: oversized type and a saturated, block-built landscape. */
body[data-theme=world]{--bg:#acc9ff;--paper:#fff8df;--accent:#ff7d3d;--ink:#172b3a;--line:#172b3a45}body[data-theme=world] .brand{font-family:Arial,sans-serif;font-weight:900;text-transform:uppercase;letter-spacing:-1.5px}body[data-theme=world] .world-hero{padding-top:30px;padding-bottom:25px}.world-hero h1{font-family:Arial,sans-serif;font-weight:900;text-transform:uppercase;font-size:clamp(58px,6vw,76px);line-height:.93;letter-spacing:-4px;max-width:1050px;margin:20px auto}.world-hero .lead{font-size:16px;max-width:700px}.world-scene{height:445px}.island{border-radius:10%;background:#b6d669;box-shadow:0 20px 0 #78aa49,0 40px 0 #b88b5e,0 53px 0 #805c44,0 90px 45px -30px #172b3a50;transform:translateX(-50%) rotate(-8deg);width:650px;top:130px;height:250px}.map-path{border-radius:15%;border-color:#eae4b3}.sun{background:#ff7d3d;box-shadow:none;border-radius:0;width:80px;height:80px;transform:rotate(-10deg);top:5px;right:10%}.cloud{border-radius:0;background:#fff8df}.cloud:before{border-radius:0;background:#fff8df}.map-stop{font-size:12px;font-weight:900}.map-stop>span:last-child{border:2px solid #172b3a;border-radius:0;box-shadow:4px 4px 0 #172b3a}.map-object{display:block;position:relative;text-shadow:none}.map-object b{display:block;font-weight:400}.map-lab{background:#ff7d3d;width:115px;height:85px;border:3px solid #172b3a;transform:skewY(-5deg);box-shadow:14px -10px 0 #c25230}.map-lab b{font-size:60px;line-height:80px}.map-lab i{display:block;position:absolute;left:-3px;top:-25px;background:#f5c76e;border:3px solid #172b3a;width:115px;height:25px;transform:skewX(-30deg);transform-origin:bottom left}.stop-lab{top:140px;left:29%}.map-tower{width:75px;height:135px;border:3px solid #172b3a;background:#a59be4;box-shadow:13px -10px 0 #7568b4}.map-tower b{font-size:80px;line-height:130px}.map-tower i{position:absolute;left:10px;right:10px;top:-15px;background:#fff8df;height:12px;border:3px solid #172b3a}.stop-learn{top:80px;left:61%}.stop-photos{top:245px;left:75%}.map-gallery{width:85px;height:70px;background:#fff8df;border:3px solid #172b3a;box-shadow:10px -8px 0 #e6ca7d}.map-gallery b{font-size:65px;line-height:65px}.stop-cat{top:270px;left:42%}.cat-object{border-radius:0;border:3px solid #172b3a;background:#f4b48a;box-shadow:7px -5px 0 #b57654}.map-file{top:335px;left:17%;border-radius:0;box-shadow:4px 4px 0 #172b3a;border-color:#172b3a;background:#fff8df}.world-hero~.sections .content-section{border-radius:0;border:2px solid #172b3a;box-shadow:7px 7px 0 #172b3a;margin-bottom:35px}.world-hero~.sections .section-heading h2{font-family:Arial,sans-serif;font-weight:900;text-transform:uppercase}.world-hero~.sections .course-list article{border-radius:0;background:#d9e5ff}
/* Eitan OS: electric violet, hard contrast and a complete desktop interaction. */
body[data-theme=os]{--bg:#101014;--paper:#21202b;--accent:#c1ff62;--ink:#f4f2ff;--line:#f4f2ff25;--muted:#b8b4c9}body[data-theme=os] header{padding-top:23px;padding-bottom:23px}body[data-theme=os] .sections{display:none}.os-hero{background:radial-gradient(ellipse at 73% 35%,#8e4affb0,transparent 58%),repeating-linear-gradient(0deg,transparent 0,transparent 3px,#00000007 3px,#00000007 4px),#26203e;border-color:#bca4ff50;border-radius:0;box-shadow:10px 10px 0 #4c3d7530;min-height:610px}.os-status{background:#181520;border-color:#bca4ff40}.desktop-title h1{font-weight:900;text-transform:uppercase;font-size:67px;line-height:.98;letter-spacing:-4px}.desktop-title .eyebrow{color:#c1ff62}.desktop-title p{color:#d2c7ee}.desktop-icon{border-radius:3px;background:#c1ff62;color:#20232a;box-shadow:5px 5px 0 #0e0e1850}.icon-cat{background:#ff9f7c}.icon-learning{background:#c2b1ff}.icon-photos{background:#83d4ee}.icon-files{background:#ffe299}.desktop-icons button{border-radius:0}.desktop-note{background:#c1ff62;color:#171c10;bottom:130px;transform:rotate(7deg);font-size:16px;font-weight:bold}.dock{border-radius:0;background:#1c172ecc;border-color:#bca4ff70}.dock button{border-radius:3px}.quick-open{position:absolute;left:235px;bottom:170px;background:#181520;color:#c1ff62;border:1px solid #c1ff6255;padding:14px 18px;font:11px monospace;letter-spacing:1px}.quick-open:hover{background:#c1ff62;color:#181520}.status-light{background:#c1ff62}body[data-theme=os] .primary{background:#c1ff62;color:#171c10}body[data-theme=os] dialog{border-radius:0;background:#21202b;border-color:#c2b1ff}body[data-theme=os] .window-bar{background:#100e18}.command-list{display:grid;gap:8px}.command-list button{display:flex;align-items:center;gap:20px;text-align:start;font-size:18px;border:1px solid var(--line);padding:20px;background:var(--paper)}.command-list button:hover{background:#45405b}.command-list button>span{font-size:30px}.command-list button>b{margin-inline-start:auto}body[data-theme=os] footer{padding-top:25px;padding-bottom:25px}[dir=rtl] .quick-open{left:auto;right:235px}
/* Your Move: a chessboard as the site's primary navigation. */
body[data-theme=chess]{--bg:#f3f0e7;--paper:#fffaf0;--ink:#181818;--accent:#ff652e;--line:#18181830}body[data-theme=chess] header{border-bottom:2px solid var(--ink)}body[data-theme=chess] .brand{font-weight:900;text-transform:uppercase}body[data-theme=chess] .brand-dot{color:#ff652e}.chess-hero{display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:50px;padding-top:60px;padding-bottom:65px}.chess-hero h1{font-weight:900;font-size:clamp(70px,8.5vw,118px);line-height:.85;letter-spacing:-8px;margin:30px 0}.chess-hero h1 em{font-style:normal;color:#ff652e}.chess-hero .lead{font-size:17px;max-width:330px}.chess-instruction{font:12px monospace;max-width:250px;border-inline-start:4px solid #ff652e;padding-inline-start:12px;margin-top:30px}.board-wrap{transform:rotate(3deg);position:relative}.board{display:grid;grid-template-columns:repeat(8,1fr);aspect-ratio:1;border:8px solid #181818;background:#181818;direction:ltr;box-shadow:13px 13px 0 #ff652e}.square{position:relative;display:grid;place-items:center;min-width:0;aspect-ratio:1}.square.light{background:#fffaf0}.square.dark{background:#34332f}.chess-piece{position:absolute;inset:-3px;border:0;background:transparent;color:#ff652e;display:flex;align-items:center;justify-content:center;transition:transform .15s;z-index:1}.chess-piece>span{font-family:Georgia,'Times New Roman',serif;font-size:65px;line-height:1;filter:drop-shadow(2px 3px 0 #181818);-webkit-text-stroke:1px #181818}.chess-piece small{font-size:9px;font-weight:bold;position:absolute;background:#ff652e;color:#181818;white-space:nowrap;padding:4px 6px;top:92%;left:50%;transform:translateX(-50%);border:1px solid #181818;box-shadow:2px 2px 0 #181818}.chess-piece:hover{transform:translateY(-8px);z-index:3}.chess-piece:focus-visible{outline:3px solid #ff652e;outline-offset:0;z-index:3}.board-caption{display:flex;align-items:center;justify-content:space-between;font:10px monospace;margin-top:28px;letter-spacing:1px}.board-caption>span{font:30px Arial}.chess-hero~.sections .section-heading h2{font-weight:900;text-transform:uppercase}.chess-hero~.sections .section-heading .eyebrow{background:#ff652e;color:#181818;padding:7px}.chess-hero~.sections .primary{background:#ff652e;color:#181818;border-radius:0}.chess-hero~.sections .cat-portrait{border-radius:0}.chess-hero~.sections .course-list article{background:none;border-width:2px}.chess-hero~.sections .course-number{color:#e75020;opacity:1}
/* Build. Play. Repeat.: a six-panel interactive comic. */
body[data-theme=comic]{--bg:#f4dc36;--paper:#fff8db;--ink:#151515;--accent:#e75639;--line:#15151550}body[data-theme=comic] header{border-top:3px solid #151515;border-bottom:3px solid #151515;padding-block:22px}body[data-theme=comic] .brand{font-weight:900;text-transform:uppercase}body[data-theme=comic] .brand-dot{color:#e75639}body[data-theme=comic] .draft{color:#3f391b}.comic-deck{max-width:1280px;margin:auto;padding:0 50px 40px}.comic-toolbar{display:flex;align-items:center;justify-content:space-between;padding:18px 0;font:12px monospace;letter-spacing:2px}.comic-toolbar>div{display:flex;gap:10px}.comic-toolbar button{background:#151515;color:#f4dc36;border:2px solid #151515;font-size:23px;width:48px;height:37px}.comic-toolbar button:disabled{background:transparent;color:#151515;opacity:.3;cursor:default}.comic-slide{animation:panel-in .25s ease-out;min-height:540px}.comic-intro{display:grid;grid-template-columns:1.05fr 1fr;gap:30px}.comic-shout{padding:22px 0}.comic-shout h1{font-size:clamp(70px,7.8vw,110px);font-weight:900;line-height:.83;letter-spacing:-7px;margin:30px 0}.comic-shout h1 em{font-style:normal;color:#e75639;text-shadow:3px 3px 0 #151515;-webkit-text-stroke:2px #151515}.comic-shout p{font-size:17px;max-width:320px;font-weight:700}.comic-start{background:#151515;color:#f4dc36;padding:17px 20px;border:0;font-size:13px;font-weight:900;display:flex;gap:35px;align-items:center;margin-top:22px}.comic-start span{font-size:25px}.comic-art{display:grid;grid-template-rows:1.3fr 1fr;gap:18px;transform:rotate(2deg);padding:10px 0}.comic-robot,.comic-cat{border:4px solid #151515;position:relative;overflow:hidden;background:#84b8f2;box-shadow:6px 6px 0 #151515}.comic-robot{background-image:radial-gradient(#15151520 1.2px,transparent 1.2px);background-size:10px 10px}.comic-robot svg{height:300px;width:100%;display:block;transform:translate(-35px,12px) rotate(-8deg)}.speech{position:absolute;right:10px;top:18px;background:#fff8db;border:3px solid #151515;padding:15px;transform:rotate(7deg);font-size:14px;font-weight:900;line-height:1;box-shadow:4px 4px 0 #151515}.speech:after{content:'';position:absolute;bottom:-14px;left:15px;width:20px;height:20px;transform:skewY(-30deg);border-bottom:3px solid #151515;border-left:3px solid #151515;background:inherit}.comic-cat{background:#e99baf}.comic-cat svg{width:100%;height:205px;display:block;transform:translateX(20px)}.mini-speech{position:absolute;left:15px;top:20px;background:#fff8db;border:3px solid #151515;border-radius:50%;padding:15px;font-size:15px;font-weight:bold;transform:rotate(-10deg)}.comic-section{padding:30px;border:4px solid #151515;background:#fff8db;box-shadow:10px 10px 0 #151515}.comic-section h2{font-size:clamp(45px,5vw,75px);line-height:1;font-weight:900;text-transform:uppercase;letter-spacing:-4px;margin:20px 0 30px}.comic-section h2>span{color:#e75639}.comic-section .interest-list{gap:0 40px}.comic-section .interest-list article{padding:17px 0}.comic-section .course-list article{border:2px solid #151515;box-shadow:4px 4px 0 #151515;background:#f4dc36}.comic-section .cat-portrait{border:3px solid #151515;border-radius:0;background:#e99baf;transform:rotate(3deg)}.comic-section .cat-layout h3{font-size:43px;font-weight:900}.comic-section .photo-placeholder{border:3px solid #151515}.comic-section .primary{border:3px solid #151515;border-radius:0;background:#84b8f2;color:#151515;box-shadow:4px 4px 0 #151515}.comic-section .file-cover{border:3px solid #151515;box-shadow:5px 5px 0 #151515;transform:rotate(-3deg)}body[data-theme=comic] footer{border-top:3px solid #151515;padding-top:25px;padding-bottom:25px}[hidden]{display:none!important}@keyframes panel-in{from{opacity:.5;transform:translateX(15px)}to{opacity:1;transform:translateX(0)}}
@media(max-width:900px){.chess-hero{gap:35px;padding-inline:30px}.chess-hero h1{font-size:85px;letter-spacing:-6px}.chess-piece>span{font-size:50px}.chess-piece small{font-size:8px;padding:3px}.comic-deck{padding-inline:30px}.comic-shout h1{font-size:85px}.desktop-title h1{font-size:51px}.quick-open{left:210px;font-size:10px}.desktop-note{right:40px}.world-hero h1{letter-spacing:-4px}.comic-section .course-list{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.world-hero h1{font-size:54px!important;letter-spacing:-3px;max-width:400px}.world-scene{height:365px}.island{width:390px;height:200px;top:100px;max-width:95%;box-shadow:0 16px 0 #78aa49,0 30px 0 #b88b5e,0 40px 0 #805c44,0 65px 30px -20px #172b3a40}.sun{width:45px;height:45px;right:3%;top:2px}.map-stop{font-size:9px}.map-stop>span:last-child{padding:7px}.map-lab{width:75px;height:65px;box-shadow:8px -6px 0 #c25230}.map-lab i{width:75px;height:18px;top:-18px}.map-lab b{font-size:45px;line-height:60px}.stop-lab{top:122px;left:23%}.map-tower{width:55px;height:100px;box-shadow:8px -6px 0 #7568b4}.map-tower b{font-size:60px;line-height:95px}.stop-learn{top:68px;left:66%}.stop-cat{top:228px;left:43%}.cat-object{font-size:18px;width:53px}.stop-photos{top:205px;left:84%}.map-gallery{width:60px;height:55px;box-shadow:6px -5px 0 #e6ca7d}.map-gallery b{font-size:46px;line-height:50px}.map-file{top:280px;left:2%;font-size:9px;padding:10px}.map-hint{margin-top:12px}.world-hero~.sections .content-section{padding:25px 16px}.world-hero~.sections .section-heading h2{font-size:25px}.os-hero{min-height:700px}.desktop-title h1{font-size:44px;letter-spacing:-2.5px}.desktop-title{top:75px}.desktop-icons{top:285px}.desktop-note{bottom:104px;right:22px;font-size:10px;width:135px;padding:13px}.quick-open{left:25px;bottom:195px;padding:12px;font-size:9px}.dock{bottom:27px}[dir=rtl] .quick-open{right:25px;left:auto}.chess-hero{grid-template-columns:1fr;gap:45px;padding:40px 25px}.chess-hero h1{font-size:91px;letter-spacing:-7px}.chess-hero .lead{font-size:17px;max-width:330px}.chess-instruction{margin-top:20px}.board-wrap{width:95%;max-width:400px;justify-self:center}.board{border-width:6px;box-shadow:9px 9px 0 #ff652e}.chess-piece>span{font-size:44px}.chess-piece small{font-size:7px;padding:2px 4px}.board-caption{font-size:8px;margin-top:20px;letter-spacing:.2px}.chess-hero~.sections .section-heading h2{font-size:24px}.chess-hero~.sections .section-heading{gap:10px}.comic-deck{padding:0 22px 30px}.comic-intro{grid-template-columns:1fr;gap:30px}.comic-shout{padding-top:8px}.comic-shout h1{font-size:88px;letter-spacing:-6px;margin:27px 0}.comic-shout p{font-size:17px}.comic-art{grid-template-rows:1.3fr 1fr;margin-bottom:12px}.comic-robot svg{height:275px}.comic-cat svg{height:195px}.comic-section{padding:23px 17px;min-height:0;box-shadow:6px 6px 0 #151515}.comic-section h2{font-size:43px;letter-spacing:-2px}.comic-section .course-list{grid-template-columns:1fr}.comic-section .cat-layout h3{font-size:33px}.comic-toolbar{position:sticky;top:0;background:var(--bg);z-index:3}.comic-section .file-cover{width:96%;margin:5px auto}.comic-slide{min-height:0}[dir=rtl] .chess-hero h1{font-size:82px;letter-spacing:-3px}[dir=rtl] .comic-shout h1{letter-spacing:-3px;line-height:1}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}