@font-face{font-family:'Andika';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/andika-400.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Andika';font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/andika-700.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Playwrite US Trad';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/playwrite-us-trad-400.woff2) format('woff2')}

:root{
  --paper-c:#FDFDFB; --ink:#24235E; --ink-soft:#4E4D80; --pen:#1E4FB0; --todo:#B9BED3; --guide:#8FB0E6;
  --margin-c:#EC6F78; --rule:#D5DCF0;
  --m:200px; --pad:240px; --right:64px; --top:120px; --hero-top:80px; --sec:120px;
  --fs:20px; --lh:30px; --lead-fs:22px;
  --gap-xs:20px; --gap-s:20px; --gap-m:40px; --gap-l:50px;
  --h1-font:400 50px/80px "Playwrite US Trad",cursive;
  --h2-font:400 38px/80px "Playwrite US Trad",cursive;
  --cap-font:400 21px/40px "Playwrite US Trad",cursive;
  --toc-font:400 24px/40px "Playwrite US Trad",cursive; --toc-lh:40px;
  --q-font:400 24px/40px "Playwrite US Trad",cursive;
  --bye-font:400 60px/120px "Playwrite US Trad",cursive;
}
*{box-sizing:border-box;margin:0}
html{-webkit-font-smoothing:antialiased}
body{background:var(--desk,var(--paper-c));color:var(--ink);font:400 var(--fs)/var(--lh) Andika,system-ui,sans-serif;overflow-x:hidden}
::selection{background:#FFE36B;color:var(--ink)}
:focus-visible{outline:3px solid var(--pen);outline-offset:3px;border-radius:8px}
a{color:inherit}
.paper{position:relative;overflow:hidden;background:var(--paper-c)}
.paper > *{position:relative;z-index:1}
.paper > .topm{z-index:3}
.topm{height:var(--top);display:flex;align-items:center;gap:32px;padding:0 var(--right) 0 32px}
.logo img{height:44px;width:auto;display:block}
.links{list-style:none;display:flex;gap:28px;margin-left:auto;padding:0;font-size:17px}
.links a{text-decoration:none}
.links a:hover{text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:2px;text-decoration-color:var(--margin-c)}
.menu{all:unset;cursor:pointer;display:none;margin-left:auto;height:44px;padding:0 18px;border-radius:999px;border:2px solid var(--rule);background:var(--paper-c);font:700 16px/40px Andika,sans-serif}
.menu:focus-visible{outline:3px solid var(--pen);outline-offset:3px}
.sheet{display:none}
.btn{display:inline-flex;align-items:center;height:56px;padding:0 28px;border-radius:999px;background:var(--ink);color:#fff;font:700 19px/1 Andika,sans-serif;text-decoration:none;box-shadow:0 4px 0 #0F0E3A;transition:transform .15s ease-out,box-shadow .15s ease-out;white-space:nowrap}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 #0F0E3A}
.topm .btn{height:44px;font-size:16px;padding:0 20px;box-shadow:0 3px 0 #0F0E3A}

.hero{display:grid;grid-template-columns:minmax(0,640px) 1fr;align-items:center;gap:40px;padding:var(--hero-top) var(--right) 80px var(--pad);min-height:max(720px,calc(100vh - var(--top)))}
h1{font:var(--h1-font);white-space:nowrap;color:var(--ink)}
h1 .l2{display:block}
.lead{margin-top:var(--gap-s);max-width:500px;font-size:var(--lead-fs);line-height:var(--lh);color:var(--ink-soft)}
.actions{margin-top:var(--gap-m);display:flex;align-items:center;flex-wrap:wrap;gap:20px 28px}
.count{font-size:17px;color:var(--ink-soft)}
.count b{color:var(--ink)}
.stage{position:relative;display:flex;flex-direction:column;align-items:center}
.stage svg{width:500px;height:500px;max-width:100%;overflow:visible}
.controls{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:12px}
.steps{display:flex;gap:12px}
.steps button,.again{all:unset;cursor:pointer;height:40px;border-radius:999px;display:grid;place-items:center;font:700 17px/1 Andika,sans-serif;color:var(--ink-soft);border:2px solid var(--rule);background:var(--paper-c);transition:background .3s,color .3s,border-color .3s}
.steps button{width:40px}
.again{padding:0 16px;font-size:15px}
.again:hover,.steps button:hover{border-color:var(--pen);color:var(--pen)}
.steps button[aria-current="step"]{background:var(--pen);border-color:var(--pen);color:#fff}
.steps button:focus-visible,.again:focus-visible{outline:3px solid var(--margin-c);outline-offset:3px}
.caption{margin-top:12px;min-height:96px;text-align:center;max-width:460px;color:var(--pen)}
.caption small{display:block;font:700 13px/20px Andika,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--margin-c)}
.caption span{display:block;font:var(--cap-font)}
.caption a{display:inline-block;margin-top:4px;font:700 16px/28px Andika,sans-serif;color:var(--ink);text-decoration:underline;text-decoration-color:var(--margin-c);text-decoration-thickness:2px;text-underline-offset:5px}

.block{padding:var(--sec) var(--right) 0 var(--pad)}
h2{font:var(--h2-font);color:var(--ink)}
.intro{max-width:600px;margin-top:var(--gap-s);color:var(--ink-soft)}
.labels{list-style:none;padding:0;margin-top:var(--gap-l);display:grid;grid-template-columns:repeat(4,1fr);gap:56px 40px;max-width:1136px}
.labels a{display:block;text-decoration:none;color:var(--ink)}
.labels .pic{display:block;position:relative}
.labels svg{display:block;width:100%;aspect-ratio:1;overflow:visible;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.labels a:hover svg{transform:translateY(-6px) rotate(-2deg)}
.tag{display:block;margin-top:10px;text-align:center}
.tag strong{display:block;font-weight:400}
.tag span{display:block;font:700 14px/20px Andika,sans-serif;color:var(--ink-soft)}
.more{margin-top:var(--gap-l)}
.strip{list-style:none;padding:0;margin-top:var(--gap-l);display:grid;grid-template-columns:repeat(5,1fr);gap:32px;max-width:1136px}
.strip .box{position:relative;display:block;aspect-ratio:1;padding:12px}
.strip .box b{position:absolute;left:-14px;top:-14px;width:36px;height:36px;border-radius:50%;background:var(--pen);color:#fff;display:grid;place-items:center;font:700 17px/1 Andika,sans-serif;z-index:2}
.strip svg{width:100%;height:100%;overflow:visible;position:relative}
.strip .cap{display:block;margin-top:14px;font-size:17px;line-height:24px;color:var(--ink-soft)}
.key{margin-top:var(--gap-m);display:flex;flex-wrap:wrap;gap:8px 32px;font-size:17px;color:var(--ink-soft)}
.key i{display:inline-block;width:34px;height:0;border-top:4px solid;border-radius:2px;vertical-align:5px;margin-right:10px}
.k-pen{color:var(--pen)} .k-todo{color:var(--todo)} .k-guide{color:var(--guide);border-top-style:dotted!important}
.toc-wrap{display:grid;grid-template-columns:minmax(0,760px) 1fr;gap:40px;align-items:start;max-width:1136px;margin-top:var(--gap-m)}
.toc{list-style:none;padding:0}
.toc li{height:var(--toc-lh)}
.toc a{display:flex;align-items:baseline;gap:14px;text-decoration:none;line-height:var(--toc-lh)}
.toc .n{font:var(--toc-font);color:var(--pen)}
.toc .dots{flex:1;min-width:24px;border-bottom:3px dotted var(--todo);transform:translateY(-6px)}
.toc .c{font-weight:700;font-size:17px;color:var(--ink-soft);white-space:nowrap}
.toc a:hover .n{text-decoration:underline;text-decoration-color:var(--margin-c);text-decoration-thickness:2px;text-underline-offset:8px}
.toc-wrap svg{width:280px;height:280px;justify-self:center;align-self:center;transform:rotate(4deg)}
.parents{display:grid;grid-template-columns:minmax(0,600px) minmax(0,440px);gap:64px;max-width:1136px;margin-top:var(--gap-m);align-items:start}
.quote p{font:var(--q-font);color:var(--ink)}
.quote cite{display:block;margin-top:var(--gap-xs);font:700 15px/var(--lh) Andika,sans-serif;font-style:normal;color:var(--ink-soft)}
.facts{list-style:none;padding:0;display:grid;gap:var(--gap-xs);color:var(--ink-soft)}
.facts li{padding-left:40px;position:relative}
.facts li::before{content:"";position:absolute;left:2px;top:calc(var(--lh) / 2 - 14px);width:22px;height:12px;border-left:4px solid var(--margin-c);border-bottom:4px solid var(--margin-c);transform:rotate(-45deg);border-radius:2px}
.facts b{color:var(--ink)}
.bye{padding:var(--sec) var(--right) var(--sec) var(--pad)}
.bye p{font:var(--bye-font);color:var(--pen)}
.bye p span{display:inline-block}
.bye .btn{margin-top:var(--gap-m)}

.cover{position:relative;overflow:hidden;--pile-w:300px}
.cover-in{position:relative;z-index:1;padding:72px var(--right) calc(var(--pile-w) * .5 + 40px) var(--pad)}
/* plushie piles in the bottom corners, drawn by cahier.js */
.pile{position:absolute;bottom:0;width:var(--pile-w);height:calc(var(--pile-w) * .9);pointer-events:none}
.pile-l{left:16px} .pile-r{right:16px}
.pile svg{position:absolute;overflow:visible;filter:drop-shadow(0 6px 8px rgba(20,15,40,.18))}
.t li.all{margin-top:6px}
.t li.all a{font-weight:700;text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:2px}
.t li.all a::after{content:"\00a0→"}
.tables{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;max-width:1136px}
.t h3{font:700 15px/20px Andika,sans-serif;letter-spacing:.06em;text-transform:uppercase}
.t h3 a,.t li a,.bottom a{text-decoration:none}
.t li a:hover,.bottom li a:hover,.t h3 a:hover{text-decoration:underline;text-underline-offset:5px}
.t ul{list-style:none;padding:0}
.bottom{display:flex;flex-wrap:wrap;align-items:center;gap:16px 32px;margin-top:56px;max-width:1136px}
.bottom .logo img{height:36px}
.bottom ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px 24px;font-size:16px}
.bottom p{flex-basis:100%;font-size:15px;opacity:.75}

.reveal{opacity:0;transform:translateY(16px);transition:opacity 1.05s cubic-bezier(.22,1,.36,1),transform 1.05s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}

@media (max-width:1199px){
  :root{--m:64px;--pad:96px;--right:32px}
  .topm{padding-left:24px}
  .topm > .links,.topm > .all{display:none}
  .menu{display:block}
  .sheet{position:absolute;left:var(--pad);right:var(--right);top:calc(var(--top) - 8px);z-index:5;background:#fff;border:2px solid var(--rule);border-radius:16px;padding:12px 24px 20px;box-shadow:0 18px 40px rgba(36,35,94,.15)}
  .sheet.open{display:block}
  .sheet ul{list-style:none;padding:0}
  .sheet li a{display:block;padding:8px 0;font-size:19px;text-decoration:none;border-bottom:1px solid #EEF0F7}
  .sheet .btn{margin-top:16px}
  .hero{grid-template-columns:1fr;min-height:0}
  .stage svg{width:440px;height:440px}
  .labels{grid-template-columns:repeat(4,1fr);gap:44px 20px}
  .strip{gap:20px}
  .strip .cap{font-size:15px;line-height:21px}
  .strip .box b{width:30px;height:30px;left:-10px;top:-10px;font-size:15px}
  .toc-wrap,.parents{grid-template-columns:1fr}
  .toc-wrap svg{display:none}
  .parents{gap:var(--gap-m)}
}
@media (max-width:600px){
  :root{--m:20px;--pad:40px;--right:20px}
  .topm{padding:0 var(--right) 0 16px;gap:16px}
  .topm .logo img{height:34px}
  .sheet{left:16px;right:16px}
  h1{white-space:normal}
  h1 .l2{display:inline}
  .stage svg{width:300px;height:300px}
  .steps{gap:8px}
  .steps button{width:36px;height:36px}
  .labels{grid-template-columns:repeat(2,1fr);gap:36px 18px}
  .strip{grid-template-columns:1fr;gap:24px}
  .strip li{display:grid;grid-template-columns:120px 1fr;gap:20px;align-items:center}
  .strip .cap{margin-top:0;font-size:17px;line-height:24px}
  .toc .c{font-size:15px}
  .tables{grid-template-columns:1fr 1fr}
  .cover{--pile-w:170px}
  .cover-in{padding:56px var(--right) calc(var(--pile-w) * .6 + 32px) var(--pad)}
  .pile-l{left:4px} .pile-r{right:4px}
}
@media (max-width:420px){.tables{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.labels svg{transition:none}}

/* Seyès paper from one 40px SVG tile (crisp, no doubled lines), starting under the top margin;
   the red margin runs the full height, through the top margin, as on a school sheet */
.paper{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' shape-rendering='crispEdges'%3E%3Crect x='39' width='1' height='40' fill='%23EEF1F8'/%3E%3Crect y='9' width='40' height='1' fill='%23EBEEF7'/%3E%3Crect y='19' width='40' height='1' fill='%23EBEEF7'/%3E%3Crect y='29' width='40' height='1' fill='%23EBEEF7'/%3E%3Crect y='39' width='40' height='1' fill='%23D5DCF0'/%3E%3C/svg%3E");background-position:var(--m) var(--top);background-repeat:repeat}
.paper::before{content:"";position:absolute;inset:0 0 auto 0;height:var(--top);background:var(--paper-c);z-index:0}
.paper::after{content:"";position:absolute;left:calc(var(--m) - 1px);top:0;bottom:0;width:2px;background:var(--margin-c);opacity:.75;z-index:0}
/* the top margin: logo in the margin corner, today's date where a pupil writes it, links on the right */
.topm{padding-left:0;gap:0}
.topm .logo{width:var(--m);display:flex;justify-content:center}
.topm .logo img{height:40px}
.date{margin-left:40px;font:400 24px/1 "Playwrite US Trad",cursive;color:var(--pen);white-space:nowrap}
.date::first-letter{text-transform:uppercase}
.topm .links{margin-left:auto;margin-right:28px}
.labels svg{filter:drop-shadow(0 0 0 transparent)}
.tag{position:relative;padding:8px 14px 10px;background:#fff;border:2px solid var(--pen);border-radius:14px;box-shadow:inset 0 0 0 4px #fff,inset 0 0 0 5px rgba(236,111,120,.5)}
.tag strong{font:400 19px/32px "Playwrite US Trad",cursive;color:var(--pen);border-bottom:1.5px solid rgba(236,111,120,.5)}
.tag span{margin-top:4px}
.strip .box{background:#fff;border:2px solid var(--rule);border-radius:12px}
/* back cover: the tables, as printed on the back of a French exercise book */
.cover{background:#2B2A6B;color:#E9E9F7}
.cover::before{content:"";position:absolute;inset:0 0 auto 0;height:10px;background:linear-gradient(rgba(0,0,0,.18),transparent)}
.tables{gap:0;border:2px solid rgba(255,255,255,.28);border-radius:12px;overflow:hidden}
.t{padding:20px 24px 24px;border-right:2px solid rgba(255,255,255,.28);border-bottom:2px solid rgba(255,255,255,.28)}
.t:nth-child(3n){border-right:0}
.t:nth-last-child(-n+3){border-bottom:0}
.t h3{color:#9ED3F2;padding-bottom:10px;margin-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.3)}
.t li{font-size:17px;line-height:30px;display:flex;align-items:baseline;gap:10px}
.t li::before{content:"×";color:#9ED3F2;font-weight:700}
.t li.all::before{content:none}
.t li.all a{color:#9ED3F2}
.pile svg{filter:drop-shadow(2px 0 0 #fff) drop-shadow(-2px 0 0 #fff) drop-shadow(0 2px 0 #fff) drop-shadow(0 -2px 0 #fff) drop-shadow(0 8px 10px rgba(0,0,0,.25))}
@media (max-width:1199px){
  :root{--top:96px}
  .topm .logo{width:auto;padding-left:24px}
  .paper::after{top:var(--top)}
  .date{margin-left:auto;margin-right:20px;font-size:20px}
  .menu{margin-left:0}
  h1{font-size:42px}
  .bye p{font-size:48px;line-height:80px}
}
@media (max-width:600px){
  :root{--top:80px;--sec:80px;--fs:18px;--lead-fs:19px;--gap-l:40px}
  .date{display:none}
  .menu{margin-left:auto}
  h1{font-size:min(26px,6.9vw);line-height:40px}
  h2{font-size:28px;line-height:40px}
  .caption span{font-size:18px;line-height:30px}
  .toc .n{font-size:19px}
  .quote p{font-size:21px;line-height:40px}
  .bye p{font-size:32px;line-height:40px}
  .tag strong{font-size:16px;line-height:28px}
  .tables{grid-template-columns:1fr 1fr}
  .t{border-right:2px solid rgba(255,255,255,.28)!important;border-bottom:2px solid rgba(255,255,255,.28)!important}
  .t:nth-child(2n){border-right:0!important}
  .t:nth-last-child(-n+2){border-bottom:0!important}
}
@media (max-width:420px){.tables{grid-template-columns:1fr}.t ul{columns:2;column-gap:16px}.t{border-right:0!important}.t:nth-last-child(2){border-bottom:2px solid rgba(255,255,255,.28)!important}}
/* Site pages on A1 Seyès paper: what the homepage CSS (explorations/build.py BASE_CSS + A1_CSS)
   does not cover. Body text keeps a 30px line height, so a block whose first baseline is snapped
   to a ruled line keeps every following line on the paper's lines. */
.skip{position:absolute;left:12px;top:-60px;z-index:20;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;font-weight:700;text-decoration:none}
.skip:focus{top:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.date:empty{display:none}
.topm .logo{text-decoration:none}
.topm > nav{margin-left:auto;margin-right:28px}
.topm nav .links{margin:0}
.links a[aria-current="page"]{text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:2px;text-decoration-color:var(--margin-c)}
html.rv .reveal{opacity:0;transform:translateY(16px)}
html.rv .reveal.in{opacity:1;transform:none}
.reveal{opacity:1;transform:none}
.cover .t h3 a{color:inherit}
.pile img{position:absolute;display:block;height:auto;filter:drop-shadow(2px 0 0 #fff) drop-shadow(-2px 0 0 #fff) drop-shadow(0 2px 0 #fff) drop-shadow(0 -2px 0 #fff) drop-shadow(0 8px 10px rgba(0,0,0,.25))}

/* homepage: the h1 says what the site does, the handwritten line above it is the greeting */
.hero .kick{font:700 16px/30px Andika,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--margin-c);white-space:normal;max-width:520px}
.hero .display{font:var(--h1-font);white-space:nowrap;color:var(--ink);margin-top:10px}
.hero .display .l2{display:block}
.stage .art,.labels .pic,.strip .box .art{display:block}
.stage .art svg{width:500px;height:500px;max-width:100%;overflow:visible;display:block}
.labels .pic img,.labels .pic svg{display:block;width:100%;height:auto;aspect-ratio:1;overflow:visible;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.labels a:hover .pic img,.labels a:hover .pic svg{transform:translateY(-6px) rotate(-2deg)}
.strip .box .art{position:relative;width:100%;height:100%}
.strip .box img,.strip .box svg{display:block;width:100%;height:100%;overflow:visible}
.toc-wrap img{width:280px;height:280px;justify-self:center;align-self:center;transform:rotate(4deg)}
.again[hidden]{display:none}

/* breadcrumb, on the line above the title */
.crumbs{padding:30px var(--right) 0 var(--pad);font-size:16px;line-height:30px;color:var(--ink-soft)}
.crumbs ol{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:0 10px}
.crumbs li{display:flex;gap:10px;align-items:baseline}
.crumbs li+li::before{content:"›";color:var(--margin-c);font-weight:700}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--margin-c)}
.crumbs [aria-current]{color:var(--ink)}

/* the head of an inner page */
.phead{padding:30px var(--right) 0 var(--pad);max-width:calc(var(--pad) + 880px)}
.phead h1{font:var(--h1-font);color:var(--ink);white-space:normal}
.meta{list-style:none;padding:0;margin-top:10px;display:flex;flex-wrap:wrap;gap:6px 10px}
.meta li{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:#fff;border:2px solid var(--rule);font:700 15px/1 Andika,sans-serif;color:var(--ink-soft)}
.lede{margin-top:20px;max-width:720px;color:var(--ink-soft)}
.lede p+p{margin-top:30px}
.unfold{display:none;margin-top:4px;padding:0;border:0;background:none;font:700 17px/30px Andika,sans-serif;color:var(--pen);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:rgba(30,79,176,.35);cursor:pointer}
@media (max-width:600px){
  html.js .lede.long:not(.open){max-height:120px;overflow:hidden;-webkit-mask-image:linear-gradient(#000 55%,transparent);mask-image:linear-gradient(#000 55%,transparent)}
  html.js .lede.long:not(.open) + .unfold{display:inline-block}
}
.prose a,.lede a,.faq a,.tips a{color:var(--pen);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:rgba(30,79,176,.35)}
.prose a:hover,.lede a:hover,.faq a:hover,.tips a:hover{text-decoration-color:var(--pen)}
.block > h2 + p,.block > h2 + .prose{margin-top:var(--gap-s)}
.prose{max-width:720px;color:var(--ink-soft)}
.prose p+p{margin-top:30px}
.prose h2{font:var(--h2-font);color:var(--ink);margin-top:40px}
.prose h3{font:700 20px/30px Andika,sans-serif;color:var(--ink);margin-top:30px}
.prose ul{padding-left:24px;margin-top:10px}
.prose li+li{margin-top:0}
.todo{background:#FFF3B0;border-radius:6px;padding:0 6px;color:var(--ink);font-weight:700}

/* the lesson: drawing and controls left, the five steps right */
.lesson{padding:var(--gap-l) var(--right) 0 var(--pad)}
.board{display:grid;grid-template-columns:minmax(0,520px) minmax(0,1fr);gap:56px;align-items:start;max-width:1136px}
.lstage{position:sticky;top:24px;background:#fff;border:2px solid var(--rule);border-radius:24px;padding:20px 20px 18px;box-shadow:0 10px 30px rgba(36,35,94,.08)}
.lstage svg{display:block;width:100%;height:auto;aspect-ratio:1;overflow:visible}
.ctrl{display:none;align-items:center;gap:12px;margin-top:12px}
.lesson.js .ctrl{display:flex}
.ctrl .btn{height:48px;padding:0 22px;font-size:17px;margin-left:auto;box-shadow:0 3px 0 #0F0E3A}
.ghost{all:unset;cursor:pointer;height:44px;padding:0 16px;border-radius:999px;border:2px solid var(--rule);font:700 16px/40px Andika,sans-serif;color:var(--ink-soft);background:var(--paper-c)}
.ghost:hover{border-color:var(--pen);color:var(--pen)}
.ghost:disabled{opacity:.4;cursor:default;border-color:var(--rule);color:var(--ink-soft)}
.ghost:focus-visible{outline:3px solid var(--margin-c);outline-offset:3px}
#stepstatus{font:700 15px/20px Andika,sans-serif;color:var(--margin-c);letter-spacing:.04em;text-transform:uppercase}
.lstage .again{all:unset;display:none;cursor:pointer;margin-top:10px;font:700 15px/30px Andika,sans-serif;color:var(--ink-soft);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--rule)}
.lesson.js .lstage .again{display:inline-block}
.lstage .again:hover{color:var(--pen)}
.steplist{list-style:none;padding:0;display:grid;gap:10px;counter-reset:st}
.steplist li{border-radius:18px;padding:14px 18px 16px;border:2px solid transparent;transition:background .3s,border-color .3s}
.steplist h3{font:inherit}
.steplist h3 button{all:unset;cursor:default;display:flex;gap:14px;align-items:baseline;font:400 21px/40px "Playwrite US Trad",cursive;color:var(--ink)}
.lesson.js .steplist h3 button{cursor:pointer}
.steplist b{flex:none;display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#fff;border:2px solid var(--pen);color:var(--pen);font:700 16px/1 Andika,sans-serif;transform:translateY(-2px)}
.steplist p{margin-top:6px;padding-left:48px;color:var(--ink-soft)}
.lesson.js .steplist li[aria-current="step"]{background:#fff;border-color:var(--pen);box-shadow:0 6px 18px rgba(30,79,176,.10)}
.lesson.js .steplist li[aria-current="step"] b{background:var(--pen);color:#fff}
.lesson.js .steplist h3 button:hover{color:var(--pen)}
.lesson.js .steplist h3 button:focus-visible{outline:3px solid var(--margin-c);outline-offset:4px;border-radius:8px}
.lesson.finished .steplist li[aria-current]{background:none;border-color:transparent;box-shadow:none}

/* materials and the "J'ai réussi !" card */
.kit{display:grid;grid-template-columns:minmax(0,560px) minmax(0,440px);gap:56px;max-width:1136px;align-items:start}
.kit h2{font:var(--h2-font)}
.kit .facts{margin-top:10px}
.win{background:#fff;border:2px solid var(--rule);border-radius:24px;padding:26px 28px 28px;text-align:center;box-shadow:0 10px 30px rgba(36,35,94,.06)}
.win p{color:var(--ink-soft)}
.win .q{font:400 24px/40px "Playwrite US Trad",cursive;color:var(--ink)}
.win .btn{margin-top:14px;background:var(--margin-c);box-shadow:0 4px 0 #B8434C;gap:10px}
.win .btn:active{box-shadow:0 1px 0 #B8434C}
.win .btn.on{background:#2E9E5B;box-shadow:0 4px 0 #1D7040}
.win .btn svg{width:22px;height:22px}
.win .done{margin-top:14px;font:700 16px/24px Andika,sans-serif;color:var(--pen)}

/* the five steps as stills */
.strip.still .box{background:#fff;border:2px solid var(--rule);border-radius:12px}
.strip .cap b{display:block;font-weight:700;color:var(--ink)}

/* tips: three index cards */
.tips{list-style:none;padding:0;margin-top:var(--gap-m);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;max-width:1136px}
.tips li{position:relative;background:#fff;border:2px solid var(--rule);border-radius:18px;padding:22px 24px 24px}
.tips li:nth-child(1){transform:rotate(-.6deg)} .tips li:nth-child(2){transform:rotate(.5deg)} .tips li:nth-child(3){transform:rotate(-.3deg)}
.tips .n{position:absolute;right:18px;top:12px;font:400 30px/1 "Playwrite US Trad",cursive;color:var(--margin-c);opacity:.7}
.tips h3{font:700 19px/28px Andika,sans-serif;color:var(--ink);padding-right:34px}
.tips p{margin-top:8px;font-size:18px;line-height:28px;color:var(--ink-soft)}
.tips.reveal.in li:nth-child(1){transform:rotate(-.6deg)}

/* colouring: the text, the download, the sheet */
.colour{display:grid;grid-template-columns:minmax(0,600px) minmax(0,400px);gap:56px;max-width:1136px;align-items:start}
.colour h2 + .prose{margin-top:var(--gap-s)}
.colour .dl{margin-top:30px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px}
.colour .dl a:not(.btn){font-weight:700;color:var(--ink);text-decoration:underline;text-decoration-color:var(--margin-c);text-decoration-thickness:2px;text-underline-offset:5px}
.colour .model{margin-top:40px;max-width:220px;background:#fff;border:2px solid var(--rule);border-radius:20px;padding:14px 14px 10px}
.model img{display:block;width:100%;height:auto}
.model figcaption{margin-top:6px;font-size:14px;line-height:20px;color:var(--ink-soft);text-align:center}
.sheetp{background:#fff;border:1px solid #E3E6F0;border-radius:6px;padding:26px 26px 18px;box-shadow:0 2px 0 #E3E6F0,0 14px 34px rgba(36,35,94,.12);transform:rotate(1.5deg)}
.sheetp img{display:block;width:100%;height:auto}
.sheetp figcaption{margin-top:10px;font-size:14px;line-height:20px;color:var(--ink-soft);text-align:center}

/* FAQ */
.faq .qa{max-width:860px}
.qa{margin-top:var(--gap-m)}
.qa h3{font:700 20px/30px Andika,sans-serif;color:var(--ink)}
.qa p{margin-top:0;color:var(--ink-soft)}
.qa + .qa{margin-top:30px}

/* cards of lessons (related, categories, all lessons) */
.cards{list-style:none;padding:0;margin-top:var(--gap-l);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:56px 40px;max-width:1136px}
.cards li{display:flex}
.cards a{display:flex;flex-direction:column;width:100%;text-decoration:none;color:var(--ink)}
.cards .tag{flex:1;display:flex;flex-direction:column;justify-content:center}
.cards .pic{display:block}
.cards .pic img,.cards .pic svg{display:block;width:100%;height:auto;aspect-ratio:1;overflow:visible;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.cards a:hover .pic img,.cards a:hover .pic svg{transform:translateY(-6px) rotate(-2deg)}

/* category pages */
.chips{list-style:none;padding:0;margin-top:30px;display:flex;flex-wrap:wrap;gap:10px 12px;max-width:1136px}
.chips a{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;background:#fff;border:2px solid var(--rule);text-decoration:none;font:700 16px/1 Andika,sans-serif;color:var(--ink)}
.chips a:hover{border-color:var(--pen);color:var(--pen)}
.chips span{color:var(--ink-soft);font-weight:400}
.soon{margin-top:var(--gap-m);columns:3 240px;column-gap:40px;list-style:none;padding:0;max-width:1136px}
.soon li{break-inside:avoid;font-size:17px;line-height:30px;color:var(--ink-soft);padding-left:22px;position:relative}
.soon li::before{content:"";position:absolute;left:2px;top:13px;width:8px;height:8px;border-radius:50%;border:2px solid var(--todo)}
.soon li a{color:var(--pen);font-weight:700;text-decoration:none}
.soon li a:hover{text-decoration:underline;text-underline-offset:4px}
.soon li.live::before{background:var(--pen);border-color:var(--pen)}
.soon .tagi{display:inline-block;margin-left:8px;padding:0 8px;border-radius:999px;background:#E8EEFB;color:var(--pen);font:700 12px/20px Andika,sans-serif;letter-spacing:.04em;text-transform:uppercase;vertical-align:2px}
.note{margin-top:10px;max-width:720px;font-size:17px;line-height:30px;color:var(--ink-soft)}

/* all lessons: search */
.find{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;max-width:720px}
.find input{flex:1 1 260px;min-width:0;height:56px;padding:0 22px;border-radius:999px;border:2px solid var(--rule);background:#fff;font:400 19px/1 Andika,sans-serif;color:var(--ink)}
.find input:focus{outline:3px solid var(--pen);outline-offset:2px;border-color:var(--pen)}
.find label{display:block;flex-basis:100%;font-weight:700;color:var(--ink)}
#qcount{font-size:16px;color:var(--ink-soft)}
.fam[hidden],[data-t][hidden]{display:none!important}
.fam h2 a{text-decoration:none}
.fam h2 a:hover{text-decoration:underline;text-decoration-color:var(--margin-c);text-underline-offset:8px;text-decoration-thickness:2px}
.fam h2 small{font:700 16px/1 Andika,sans-serif;color:var(--ink-soft);margin-left:12px}

/* 404 and short pages */
.lost{display:grid;grid-template-columns:minmax(0,640px) minmax(0,340px);gap:56px;align-items:center;max-width:1136px}
.lost img{width:100%;height:auto;transform:rotate(-6deg)}

@media (max-width:1199px){
  .topm > nav{display:none}
  .hero .display{font-size:42px}
  .stage .art svg{width:440px;height:440px}
  .board{grid-template-columns:1fr;gap:28px;max-width:640px}
  .lstage{position:sticky;top:8px;z-index:4;max-width:480px;width:100%;justify-self:center;padding:12px 12px 10px}
  .kit,.colour,.lost{grid-template-columns:1fr;gap:var(--gap-m)}
  .colour figure{max-width:360px}
  .tips{grid-template-columns:1fr;max-width:640px;gap:20px}
  .cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:44px 24px}
  .lost img{max-width:280px}
}
@media (max-width:600px){
  .hero .display{font-size:min(26px,6.9vw);line-height:40px;white-space:normal}
  .hero .display .l2{display:inline}
  .hero .kick{font-size:14px}
  .stage .art svg{width:300px;height:300px}
  .phead h1{font-size:30px;line-height:40px}
  .meta{margin-top:28px}
  .crumbs{font-size:15px}
  .lstage{max-width:340px;padding:8px 8px 8px;border-radius:18px}
  .ctrl{gap:8px;flex-wrap:wrap}
  .ctrl .btn{height:44px;padding:0 16px;font-size:16px}
  .ghost{height:40px;font-size:15px;line-height:36px;padding:0 12px}
  #stepstatus{font-size:13px}
  .steplist li{padding:10px 12px 12px}
  .steplist h3 button{font-size:18px;line-height:30px;gap:10px}
  .steplist b{width:30px;height:30px;font-size:15px}
  .steplist p{padding-left:40px;font-size:17px;line-height:27px}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 18px}
  .win{padding:20px 18px 22px}
  .tips p{font-size:17px;line-height:27px}
  .find input{height:52px}
}
/* back cover on phones: one table per row, its lessons side by side and never broken inside a
   title (Fred, 2026-10-09: the two-table rows wrapped every title and link up to 600px) */
@media (max-width:600px){
  .tables{grid-template-columns:1fr}
  .t{border-right:0!important}
  .t:nth-last-child(2){border-bottom:2px solid rgba(255,255,255,.28)!important}
  .t ul{columns:auto;display:flex;flex-wrap:wrap;column-gap:22px}
  .t li{white-space:nowrap}
  .t ul .all{flex-basis:100%;margin-top:6px}
}
@media (prefers-reduced-motion:reduce){.cards .pic img,.labels .pic img{transition:none}}
@media print{
  .topm,.cover,.ctrl,.lstage .again,.win,.find,.skip,.bye{display:none!important}
  .paper{background:none}
  .lstage{position:static;box-shadow:none}
  .reveal{opacity:1!important;transform:none!important}
}

/* the page wrapper clips its overflow without becoming a scroll box, so the lesson drawing can stay in view */
.paper{overflow:clip}
/* card replay on hover: the drawing fades in over the coloured still */
.cards .pic,.labels .pic{position:relative}
.cards .pic svg.replay,.labels .pic svg.replay{position:absolute;inset:0;opacity:0;transition:opacity .35s ease,transform .5s cubic-bezier(.22,1,.36,1)}
.cards .pic img,.labels .pic img{transition:opacity .35s ease,transform .5s cubic-bezier(.22,1,.36,1)}
.pic.playing svg.replay{opacity:1}
.pic.playing img{opacity:0}

/* 1200 to 1439: the date and the nav share the top margin, so both tighten before they touch */
@media (min-width:1200px) and (max-width:1439px){
  .date{margin-left:28px;font-size:20px}
  .links{gap:18px;font-size:16px}
  .topm .links{margin-right:20px}
  .board{grid-template-columns:minmax(0,440px) minmax(0,1fr);gap:44px}
  .hero{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px}
  .hero .display{font-size:clamp(42px,4vw,52px)}
}
@media (min-width:1200px) and (max-width:1299px){
  :root{--right:40px}
  .date{margin-left:24px;font-size:18px}
  .links{gap:14px}
}

/* the open menu dims the page under it; the header (Fermer and the sheet) stays on top */
.scrim{position:fixed;inset:0;z-index:6;background:rgba(36,35,94,.38);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility 0s linear .2s}
.menu-open .scrim{opacity:1;visibility:visible;transition:opacity .2s ease}
.menu-open .paper > .topm{z-index:7}
@media (min-width:1200px){.scrim{display:none}}