@charset "UTF-8";
:root{--site-font-increase:1pt;--paper:#f8f7f2;--cream:#eeede4;--ink:#243b32;--green:#234b3e;--muted:#72796d;--line:#dddfd4;--gold:#c1a775;--serif:Georgia,'Times New Roman',serif;--sans:'Avenir Next',Avenir,'Segoe UI',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:94px}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);font-size:calc(15px + var(--site-font-increase));line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid #bc9256;outline-offset:5px}button{color:inherit}svg{display:block}button svg{pointer-events:none}[hidden]{display:none!important}.wrap{max-width:1220px;width:calc(100% - 112px);margin-inline:auto}.section-pad{padding-top:90px;padding-bottom:90px}.eyebrow{font-size:calc(10px + var(--site-font-increase));letter-spacing:2px;font-weight:650;margin:0 0 20px;color:var(--green)}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--serif);font-weight:400}h2{font-size:calc(46px + var(--site-font-increase));letter-spacing:-1.5px;line-height:1.17;margin-bottom:0}h2 em{font-weight:400}button{border:0;background:none}.skip-link{position:fixed;top:-100px;left:20px;padding:12px;background:var(--green);color:white;z-index:100}.skip-link:focus{top:10px}.site-header{background:rgba(248,247,242,.97);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}.header-inner{height:96px;display:flex;align-items:center;justify-content:space-between;gap:26px}.brand{display:flex;gap:12px;align-items:center;flex-shrink:0}.brand-mark{font:italic calc(39px + var(--site-font-increase)) var(--serif);letter-spacing:-7px;padding-right:6px}.brand-mark span{font-weight:400}.brand-name{font-size:calc(13px + var(--site-font-increase));font-weight:650;line-height:1.4}.brand-name>span{display:block;font-size:calc(10px + var(--site-font-increase));font-weight:400;color:var(--muted);margin-top:3px;letter-spacing:.2px}nav{display:flex;gap:29px}nav a{font-size:calc(12px + var(--site-font-increase));color:#5d675c;position:relative;padding-block:10px}nav a:hover{color:var(--green)}nav a:after{position:absolute;content:'';bottom:5px;left:0;width:0;height:1px;background:var(--green);transition:width .2s}nav a:hover:after{width:100%}.header-puzzle{border:1px solid #bcc4b5;border-radius:4px;padding:10px 17px;font-size:calc(11px + var(--site-font-increase));display:flex;gap:24px;align-items:center}.header-puzzle:hover{background:#edf0e8}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1.07fr 1fr;gap:38px;align-items:center;padding-top:65px;padding-bottom:65px;min-height:670px}.hero-copy{padding:8px 0 0}.hero-copy .eyebrow{display:flex;align-items:center;gap:11px;font-size:calc(9px + var(--site-font-increase));letter-spacing:1.7px;margin-bottom:28px}.tiny-line{height:1px;width:24px;background:var(--gold)}h1{font-size:calc(clamp(62px,6.7vw,90px) + var(--site-font-increase));line-height:1.02;letter-spacing:-3.8px;position:relative;margin:0 0 31px;width:max-content}h1 em{color:var(--green)}.title-swoosh{position:absolute;width:48%;height:17px;right:0;bottom:-9px;fill:none;stroke:var(--gold);stroke-width:1.2}.hero-description{font-size:calc(17px + var(--site-font-increase));line-height:1.65;color:#4e5b51;margin-bottom:13px}.hero-intro{font-size:calc(13px + var(--site-font-increase));color:var(--muted);max-width:425px;line-height:1.8;margin-bottom:26px}.hero-actions{display:flex;gap:25px;align-items:center;flex-wrap:wrap}.button{display:inline-flex;justify-content:center;align-items:center;gap:27px;padding:14px 20px;font-size:calc(11px + var(--site-font-increase));font-weight:550;border-radius:4px;line-height:1.5;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.button-dark{color:#fff;background:var(--green)}.button-dark:hover{background:#32614f}.button>span{font-size:calc(18px + var(--site-font-increase));font-weight:400;line-height:1}.text-link{display:inline-flex;align-items:center;gap:16px;font-size:calc(11px + var(--site-font-increase));padding:8px 0;line-height:1.5}.text-link:hover{color:#8a6f3d}.text-link>span{font-size:calc(18px + var(--site-font-increase))}.hero-signature{border-top:1px solid var(--line);padding-top:22px;margin-top:32px;display:flex;gap:12px;align-items:center;max-width:377px}.small-portrait{display:grid;place-items:center;width:35px;height:35px;background:#e5e9dc;border-radius:50%;font:calc(12px + var(--site-font-increase)) var(--serif);flex-shrink:0}.hero-signature p{margin:0;font-size:calc(11px + var(--site-font-increase));font-weight:600}.hero-signature p>span{display:block;color:var(--muted);font-size:calc(10px + var(--site-font-increase));font-weight:400;margin-top:1px}.hero-art{position:relative;align-self:stretch;max-height:540px;padding:20px 0 10px}.art-topline{display:flex;justify-content:space-between;font-size:calc(8px + var(--site-font-increase));letter-spacing:1.2px;color:var(--muted);padding:0 13px 13px;border-bottom:1px solid var(--line)}.pythagoras-art{width:100%;height:calc(100% - 30px);min-height:440px}.art-number{font:italic calc(39px + var(--site-font-increase)) var(--serif)}.art-small{font:italic calc(18px + var(--site-font-increase)) var(--serif)}.art-note{font:italic calc(22px + var(--site-font-increase)) var(--serif)}.formula-note{position:absolute;left:0;bottom:50px;display:flex;align-items:center;gap:12px;background:#fffef9;padding:15px 22px;box-shadow:0 8px 30px #263b2a0b;border:1px solid #e1e4d8;border-radius:4px;transform:rotate(-4deg);min-width:285px}.note-dot{background:#829578;height:7px;width:7px;border-radius:50%}.note-label{font-size:calc(7px + var(--site-font-increase));letter-spacing:1.1px;color:var(--muted)}.formula-note p{font:italic calc(26px + var(--site-font-increase)) var(--serif);margin:5px 0 0}.note-star{font-size:calc(31px + var(--site-font-increase));color:#bbaa7a;margin-left:auto}.art-bottomline{position:absolute;bottom:0;right:12px;font:italic calc(12px + var(--site-font-increase)) var(--serif);color:#7a806f}.topic-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f0f1e9}.topic-strip>.wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:63px}.topic-strip span:first-child{font:italic calc(17px + var(--site-font-increase)) var(--serif)}.topic-strip span:last-child{font-size:calc(10px + var(--site-font-increase));letter-spacing:.5px;display:flex;align-items:center;gap:24px;color:#5d6a5c}.topic-strip i{font-style:normal;color:#9caa8e;font-size:calc(16px + var(--site-font-increase))}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:36px}.section-heading .eyebrow{margin-bottom:14px}.section-heading>p{font-size:calc(12px + var(--site-font-increase));line-height:1.8;color:var(--muted);margin:0 0 4px}.resource-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:25px}.filter-tabs{display:flex;gap:6px;border:1px solid var(--line);border-radius:5px;padding:4px}.filter-tabs button{font-size:calc(10px + var(--site-font-increase));padding:8px 15px;line-height:1.5;border-radius:3px;color:#6c756b}.filter-tabs button.active{background:var(--green);color:#fff}.search-box{display:flex;gap:10px;align-items:center;border-bottom:1px solid #cfd4c9;padding:8px 0;width:238px}.search-box svg{height:15px;width:15px;fill:none;stroke:#7e897b;stroke-width:1.5}.search-box input{border:0;background:transparent;outline-offset:6px;font-size:calc(11px + var(--site-font-increase));color:var(--ink);width:100%;min-width:0}.search-box input::placeholder{color:#7c8477}.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.resource-card{border:1px solid var(--line);border-radius:5px;overflow:hidden;display:flex;flex-direction:column;background:#fcfbf7;transition:box-shadow .2s,transform .2s}.resource-card:hover{transform:translateY(-4px);box-shadow:0 10px 28px #21382b09}.resource-art{height:143px;position:relative;display:grid;place-items:center;overflow:hidden;background:#e9ede2}.resource-art:before{content:'';position:absolute;inset:0;opacity:.55;background-image:radial-gradient(#a6b19e .6px,transparent .6px);background-size:15px 15px}.resource-art svg{height:116px;width:220px;position:relative}.resource-art .big-formula{font:italic calc(32px + var(--site-font-increase)) var(--serif);position:relative}.art-literal{background:#e7ebe1}.art-pythagore{background:#eeeadc}.art-proba{background:#e5ebeb}.art-fonctions{background:#ece5d9}.art-suites{background:#e4e9df}.art-derivee{background:#e8e6ec}.resource-card-body{padding:21px 22px 17px;display:flex;flex:1;flex-direction:column}.card-meta{display:flex;gap:8px;align-items:center;margin-bottom:10px}.chip{padding:3px 7px;background:#edf0e7;color:#5c7156;border-radius:2px;font-size:calc(8px + var(--site-font-increase));letter-spacing:.6px;font-weight:600;display:inline-block}.card-meta>span:last-child{font-size:calc(9px + var(--site-font-increase));color:var(--muted)}.resource-card h3{font-size:calc(22px + var(--site-font-increase));letter-spacing:-.4px;line-height:1.3;margin-bottom:9px}.resource-card p{font-size:calc(11px + var(--site-font-increase));color:var(--muted);line-height:1.8;margin-bottom:19px}.resource-card button{margin-top:auto;border-top:1px solid var(--line);padding:13px 0 0;display:flex;align-items:center;justify-content:space-between;text-align:left;font-size:calc(10px + var(--site-font-increase))}.resource-card button>span{font-size:calc(17px + var(--site-font-increase))}.resource-footnote{display:flex;gap:8px;align-items:center;font-size:calc(9px + var(--site-font-increase));color:var(--muted);margin:21px 0 0}.outline-dot{border:1px solid #9ba78c;width:5px;height:5px;border-radius:50%;display:inline-block;flex-shrink:0}#resource-count{margin-left:auto;white-space:nowrap}.empty-state{grid-column:1/-1;padding:50px;border:1px dashed #c5cdbd;text-align:center;color:var(--muted);font-size:calc(14px + var(--site-font-increase))}.lab-section{background:#edeee6;border-block:1px solid var(--line)}.lab-layout{display:grid;grid-template-columns:330px 1fr;gap:53px;background:#f8f8f2;border:1px solid #d9ded0;padding:32px;border-radius:5px}.lab-tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:27px;gap:25px}.lab-tabs button{font-size:calc(11px + var(--site-font-increase));padding:0 0 10px;color:var(--muted);border-bottom:2px solid transparent}.lab-tabs button.active{color:var(--green);border-color:var(--green)}.lab-chip{background:#e9edde;font-size:calc(7px + var(--site-font-increase))}.lab-control h3{font-size:calc(33px + var(--site-font-increase));line-height:1.14;margin:14px 0 12px;letter-spacing:-.7px}.lab-control p{font-size:calc(11px + var(--site-font-increase));color:var(--muted);line-height:1.8;margin-bottom:15px;max-width:280px}.lab-equation{font:italic calc(27px + var(--site-font-increase)) var(--serif);margin:20px 0 25px;min-height:33px}.slider-label{font-size:calc(10px + var(--site-font-increase));display:flex;justify-content:space-between;align-items:center;margin-top:15px}.slider-label span{font-size:calc(10px + var(--site-font-increase));color:var(--muted)}input[type=range]{accent-color:var(--green);width:100%;height:20px;margin:8px 0 7px;cursor:pointer}.lab-control .lab-observation{font-size:calc(10px + var(--site-font-increase));min-height:52px;margin:14px 0 4px;padding:10px 12px;background:#edf0e7;border-left:2px solid #91a67c;max-width:100%}.reset-button{font-size:calc(9px + var(--site-font-increase));color:var(--muted);padding:8px 0}.reset-button:hover{color:var(--green)}.lab-canvas{display:flex;flex-direction:column;justify-content:space-between;border:1px solid #dce0d4;border-radius:4px;background:#fcfcf7;min-width:0}.canvas-caption{display:flex;gap:7px;align-items:center;font-size:calc(7px + var(--site-font-increase));letter-spacing:1px;padding:15px 16px;border-bottom:1px solid #e7e9df}.live-dot{width:5px;height:5px;border-radius:50%;background:#7f9b69}.canvas-caption>span:last-child{margin-left:auto;font:italic calc(12px + var(--site-font-increase)) var(--serif);letter-spacing:0}#lab-plot{width:100%;flex:1;min-height:280px}.canvas-footer{padding:14px 16px;border-top:1px solid #e7e9df;font-size:calc(9px + var(--site-font-increase));color:var(--muted);display:flex;gap:15px;align-items:center;justify-content:space-between}.canvas-footer>span:last-child{font-size:calc(19px + var(--site-font-increase))}.puzzle-section{display:grid;grid-template-columns:320px 1fr;align-items:center;gap:90px}.puzzle-illustration{background:#edeedf;aspect-ratio:1;border-radius:50%;display:flex;position:relative;align-items:center;justify-content:center}.puzzle-illustration svg{width:85%;height:85%}.tree-trunk{stroke:#46664e;stroke-width:3;fill:none}.tree-leaves{fill:#c1cfac;stroke:#8b9b78;stroke-width:1}.tree-leaves ellipse:nth-child(2n){fill:#d3d9bd}.tree-question{font:italic calc(39px + var(--site-font-increase)) var(--serif);fill:#566745}.puzzle-illustration>span{position:absolute;right:-10px;bottom:17px;background:var(--paper);font:italic calc(18px + var(--site-font-increase)) var(--serif);padding:4px 12px;transform:rotate(-7deg);color:#6c7d5b}.puzzle-content .eyebrow{margin-bottom:23px}.puzzle-topline{font-size:calc(8px + var(--site-font-increase));letter-spacing:1px;color:var(--muted);display:flex;justify-content:space-between;margin-bottom:12px}.puzzle-content h2{font-size:calc(38px + var(--site-font-increase));margin-bottom:17px}.puzzle-content>p:not(.eyebrow){font-size:calc(12px + var(--site-font-increase));color:#677062;line-height:1.9;margin-bottom:23px}.puzzle-actions{display:flex;gap:26px;align-items:center}.button-outline{border:1px solid #b6c0ac;background:transparent;font-size:calc(10px + var(--site-font-increase));padding:10px 15px}.button-outline:hover{background:#eef0e5}.next-puzzle{font-size:calc(10px + var(--site-font-increase));color:var(--muted);padding:0;display:flex;gap:12px;align-items:center;margin-top:19px}.next-puzzle:hover{color:var(--green)}.puzzle-answer{background:#ecefe4;border-left:2px solid #9aad87;padding:13px 17px;font-size:calc(12px + var(--site-font-increase));line-height:1.8;margin-top:18px}.puzzle-answer strong{color:var(--green)}.agreg-section{background:var(--green);color:#f2f1e7;position:relative;overflow:hidden}.agreg-section:after{content:'∑';position:absolute;right:-15px;bottom:-100px;font:calc(400px + var(--site-font-increase)) var(--serif);color:#ffffff03;pointer-events:none}.agreg-intro{display:grid;grid-template-columns:1.2fr 1fr;gap:90px;align-items:end}.agreg-section .eyebrow{color:#bbc8ad;margin-bottom:22px}.agreg-section h2{font-size:calc(46px + var(--site-font-increase));line-height:1.17}.agreg-section h2 em{color:#cfdbbd}.agreg-intro>div>p:not(.eyebrow){font-size:calc(12px + var(--site-font-increase));color:#c9d5c8;line-height:1.9;max-width:370px;margin-bottom:22px}.button-light{border:1px solid #6a8876;background:transparent;color:#f6f5eb;font-size:calc(10px + var(--site-font-increase));padding:12px 15px}.button-light:hover{background:#ffffff0c}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;margin-top:57px;border-top:1px solid #547362;padding-top:28px}.method-number{font:italic calc(24px + var(--site-font-increase)) var(--serif);color:#a6bc92}.method-grid h3{font-size:calc(22px + var(--site-font-increase));letter-spacing:-.3px;margin:13px 0 10px}.method-grid p{font-size:calc(11px + var(--site-font-increase));line-height:1.8;color:#b9cdbb;max-width:260px;margin:0}.agreg-footnote{font-size:calc(9px + var(--site-font-increase));color:#9fb59f;margin:33px 0 0}.about-section{display:grid;grid-template-columns:320px 1fr;gap:90px;align-items:center;padding-block:100px}.about-emblem{width:230px;height:230px;position:relative;margin-inline:auto;display:grid;place-items:center;color:#a1b08c}.about-emblem>span{font:italic calc(110px + var(--site-font-increase)) var(--serif);letter-spacing:-15px;transform:translate(-10px,-3px);color:var(--green)}.about-emblem svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-13deg)}.about-emblem small{font-size:calc(7px + var(--site-font-increase));letter-spacing:1.7px;position:absolute;bottom:23px;color:var(--muted);background:var(--paper);padding:5px 8px}.about-copy h2{font-size:calc(38px + var(--site-font-increase));margin-bottom:22px}.about-copy p:not(.eyebrow){font-size:calc(12px + 2pt + var(--site-font-increase));line-height:1.9;color:#6b7468;max-width:575px;margin-bottom:13px}.handwritten-signature{display:block;font:italic calc(28px + var(--site-font-increase)) var(--serif);transform:rotate(-7deg);transform-origin:left;margin:26px 0 0 7px;color:#5b7256}footer{border-top:1px solid var(--line);background:#eeefe7}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:25px;padding-block:30px}.footer-brand{font:italic calc(30px + var(--site-font-increase)) var(--serif);display:flex;align-items:center;gap:14px}.footer-brand span{font:calc(10px + var(--site-font-increase)) var(--sans)}.footer-inner p{font:italic calc(13px + var(--site-font-increase)) var(--serif);color:var(--muted);margin:0}.footer-inner>a:last-child{font-size:calc(9px + var(--site-font-increase))}.footer-bottom{display:flex;justify-content:space-between;gap:20px;font-size:calc(8px + var(--site-font-increase));color:#808675;border-top:1px solid #dbdfd2;padding-block:15px}.footer-bottom button{font-size:calc(8px + var(--site-font-increase));padding:0;color:#6b7664}dialog{padding:0;border:1px solid #d3d9ca;border-radius:7px;max-width:760px;width:calc(100% - 32px);max-height:90vh;background:var(--paper);color:var(--ink);box-shadow:0 25px 100px #19322130}dialog::backdrop{background:#18332480;backdrop-filter:blur(5px)}.dialog-toolbar{display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;background:#f1f2e9;border-bottom:1px solid var(--line);padding:14px 23px;z-index:1}.dialog-toolbar>span{font-size:calc(8px + var(--site-font-increase));letter-spacing:1.5px}.dialog-toolbar>div{display:flex;gap:17px}.dialog-toolbar button{font-size:calc(10px + var(--site-font-increase));padding:5px}.dialog-body{padding:38px 45px 40px}.dialog-body h2{font-size:calc(36px + var(--site-font-increase));margin:15px 0 20px}.dialog-body h3{font-size:calc(22px + var(--site-font-increase));margin:28px 0 12px}.dialog-body h4{font-size:calc(13px + var(--site-font-increase));margin:20px 0 8px}.dialog-body p,.dialog-body li{font-size:calc(13px + var(--site-font-increase));line-height:1.9;color:#586654}.dialog-body ul,.dialog-body ol{padding-left:22px}.dialog-body li{padding-left:5px;margin-bottom:8px}.dialog-body .math-block{font:italic calc(23px + var(--site-font-increase))/1.6 var(--serif);background:#e9ede2;padding:18px 22px;border-left:2px solid #8fa080;color:var(--green);margin:20px 0}.dialog-body details{margin-top:14px;background:#edf0e6;padding:15px 19px;border:1px solid #d9e0ce;border-radius:3px}.dialog-body summary{cursor:pointer;font-size:calc(12px + var(--site-font-increase));font-weight:600}.dialog-body details p:last-child{margin-bottom:0}.dialog-note{font-size:calc(10px + var(--site-font-increase))!important;color:#7c8772!important;border-top:1px solid var(--line);padding-top:16px;margin-top:30px}.dialog-body code{font-size:calc(12px + var(--site-font-increase));padding:1px 4px;background:#e9ede0;border-radius:2px}.checklist{display:flex;flex-direction:column;gap:13px;margin-top:20px}.checklist label{display:flex;gap:12px;align-items:flex-start;font-size:calc(13px + var(--site-font-increase));color:#586654}.checklist input{margin-top:5px;accent-color:var(--green);flex-shrink:0}.progress-text{font-size:calc(11px + var(--site-font-increase))!important;margin-top:16px!important;color:#668055!important}body.dialog-open{overflow:hidden}
@media(min-width:1450px){.hero{min-height:740px}.hero-art{max-height:580px}.hero{gap:65px}}
@media(max-width:1100px){.wrap{width:calc(100% - 72px)}.header-inner{gap:16px}nav{gap:19px}.brand-name{font-size:calc(12px + var(--site-font-increase))}.header-puzzle{padding:9px 12px;gap:12px}.hero{gap:20px;padding-block:50px;min-height:610px}h1{font-size:calc(74px + var(--site-font-increase))}.hero-copy .eyebrow{font-size:calc(7px + var(--site-font-increase));letter-spacing:1.2px}.hero-description{font-size:calc(15px + var(--site-font-increase))}.hero-intro{font-size:calc(12px + var(--site-font-increase))}.hero-actions{gap:15px}.hero-actions .button{gap:17px;padding:13px 14px}.hero-actions .text-link{font-size:calc(10px + var(--site-font-increase))}.hero-art{max-height:500px}.formula-note{min-width:230px;padding:12px 15px;bottom:50px}.note-label{font-size:calc(6px + var(--site-font-increase))}.formula-note p{font-size:calc(23px + var(--site-font-increase))}.art-topline{font-size:calc(6px + var(--site-font-increase))}.topic-strip span:last-child{gap:15px}.resource-grid{gap:16px}.resource-card-body{padding:18px}.lab-layout{grid-template-columns:270px 1fr;gap:30px;padding:26px}.puzzle-section,.about-section{grid-template-columns:270px 1fr;gap:60px}.agreg-intro{gap:60px}.section-pad{padding-block:75px}.section-heading>p{font-size:calc(11px + var(--site-font-increase))}h2{font-size:calc(41px + var(--site-font-increase))}.canvas-caption{letter-spacing:.5px}.canvas-caption>span:last-child{font-size:calc(10px + var(--site-font-increase))}.resource-card h3{font-size:calc(21px + var(--site-font-increase))}}
@media(max-width:820px){.wrap{width:calc(100% - 44px)}.header-inner{height:78px}nav{gap:16px}.header-puzzle{display:none}.brand-name{font-size:calc(11px + var(--site-font-increase))}h1{font-size:calc(65px + var(--site-font-increase))}.hero{gap:0;padding-block:40px;min-height:580px;grid-template-columns:1.08fr 1fr}.hero-copy .eyebrow{max-width:265px;line-height:1.8;margin-bottom:24px}.hero-description{font-size:calc(14px + var(--site-font-increase))}.hero-intro{font-size:calc(11px + var(--site-font-increase));max-width:310px}.hero-actions{gap:10px;align-items:flex-start;flex-direction:column}.hero-signature{margin-top:22px;padding-top:17px;max-width:310px}.hero-signature p>span{font-size:calc(8px + var(--site-font-increase))}.hero-art{margin-left:10px;max-height:455px;align-self:center}.pythagoras-art{min-height:340px}.art-topline span:last-child{display:none}.formula-note{min-width:206px;bottom:22px;left:-14px;padding:10px 12px;gap:9px}.formula-note p{font-size:calc(21px + var(--site-font-increase))}.note-star{font-size:calc(24px + var(--site-font-increase))}.art-bottomline{bottom:-15px;font-size:calc(10px + var(--site-font-increase))}.topic-strip>.wrap{min-height:63px}.topic-strip span:first-child{font-size:calc(14px + var(--site-font-increase))}.topic-strip span:last-child{gap:10px;font-size:calc(8px + var(--site-font-increase))}.section-heading{gap:25px}.section-heading>p{font-size:calc(10px + var(--site-font-increase))}.section-heading h2{font-size:calc(35px + var(--site-font-increase))}.eyebrow{font-size:calc(8px + var(--site-font-increase))}.resource-card h3{font-size:calc(19px + var(--site-font-increase))}.resource-card-body{padding:16px 14px}.resource-art{height:120px}.resource-art svg{width:180px;height:100px}.resource-art .big-formula{font-size:calc(26px + var(--site-font-increase))}.resource-card p{font-size:calc(10px + var(--site-font-increase))}.chip{font-size:calc(7px + var(--site-font-increase))}.resource-card button{font-size:calc(9px + var(--site-font-increase))}.lab-layout{grid-template-columns:235px 1fr;gap:22px;padding:21px}.lab-control h3{font-size:calc(29px + var(--site-font-increase))}.lab-control p{font-size:calc(10px + var(--site-font-increase))}.lab-equation{font-size:calc(24px + var(--site-font-increase))}.canvas-caption{font-size:calc(6px + var(--site-font-increase));letter-spacing:0}.canvas-caption>span:last-child{font-size:calc(9px + var(--site-font-increase))}.canvas-footer{font-size:calc(8px + var(--site-font-increase))}.puzzle-section{grid-template-columns:220px 1fr;gap:40px}.puzzle-content h2{font-size:calc(32px + var(--site-font-increase))}.puzzle-content>p:not(.eyebrow){font-size:calc(11px + var(--site-font-increase))}.puzzle-illustration>span{font-size:calc(15px + var(--site-font-increase));bottom:7px;right:-20px}.puzzle-actions{gap:16px}.puzzle-actions .text-link{font-size:calc(10px + var(--site-font-increase))}.agreg-intro{gap:45px}.agreg-section h2{font-size:calc(38px + var(--site-font-increase))}.agreg-intro>div>p:not(.eyebrow){font-size:calc(11px + var(--site-font-increase))}.method-grid{gap:25px}.method-grid h3{font-size:calc(19px + var(--site-font-increase))}.method-grid p{font-size:calc(10px + var(--site-font-increase))}.about-section{grid-template-columns:220px 1fr;gap:40px}.about-emblem{width:190px;height:190px}.about-emblem>span{font-size:calc(95px + var(--site-font-increase))}.about-emblem small{font-size:calc(5px + var(--site-font-increase));bottom:20px}.about-copy h2{font-size:calc(32px + var(--site-font-increase))}.about-copy p:not(.eyebrow){font-size:calc(11px + 2pt + var(--site-font-increase))}.footer-inner p{font-size:calc(11px + var(--site-font-increase))}.footer-brand span{font-size:calc(8px + var(--site-font-increase))}.footer-bottom{font-size:calc(7px + var(--site-font-increase))}}
@media(max-width:600px){html{scroll-padding-top:83px}.wrap{width:calc(100% - 40px)}.header-inner{height:74px}.brand-mark{font-size:calc(36px + var(--site-font-increase))}.brand-name{font-size:calc(12px + var(--site-font-increase))}.brand-name>span{font-size:calc(9px + var(--site-font-increase))}.menu-toggle{display:flex;flex-direction:column;gap:6px;align-items:center;justify-content:center;width:38px;height:38px;margin-left:auto;z-index:2}.menu-toggle span{height:1px;width:21px;background:var(--green);transition:transform .2s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}nav{position:absolute;left:0;right:0;top:74px;background:var(--paper);border-bottom:1px solid var(--line);padding:16px 25px 22px;box-shadow:0 15px 20px #20382d0a;display:none;flex-direction:column;gap:2px}nav.open{display:flex}nav a{font-size:calc(13px + var(--site-font-increase));padding:10px}.hero{grid-template-columns:1fr;padding-top:38px;padding-bottom:38px;gap:20px;min-height:0}.hero-copy .eyebrow{font-size:calc(8px + var(--site-font-increase));max-width:100%;letter-spacing:1.2px;margin-bottom:25px}h1{font-size:calc(70px + var(--site-font-increase));letter-spacing:-3px;margin-bottom:30px}.hero-description{font-size:calc(15px + var(--site-font-increase))}.hero-intro{font-size:calc(12px + var(--site-font-increase));max-width:410px}.hero-actions{flex-direction:row;gap:19px;align-items:center}.hero-actions .button{font-size:calc(10px + var(--site-font-increase));padding:13px 14px;gap:16px}.hero-actions .text-link{font-size:calc(10px + var(--site-font-increase));gap:10px}.hero-signature{max-width:100%;margin-top:26px;padding-top:17px}.hero-signature p>span{font-size:calc(9px + var(--site-font-increase))}.hero-art{width:100%;max-width:440px;margin:5px auto 0;max-height:none;height:auto;padding-top:6px}.art-topline{font-size:calc(7px + var(--site-font-increase))}.art-topline span:last-child{display:inline}.pythagoras-art{min-height:0;width:100%;height:auto;max-height:400px}.formula-note{bottom:30px;left:10px;min-width:230px;padding:12px 15px}.note-label{font-size:calc(6px + var(--site-font-increase))}.formula-note p{font-size:calc(24px + var(--site-font-increase))}.art-bottomline{bottom:-3px;font-size:calc(10px + var(--site-font-increase))}.topic-strip>.wrap{flex-direction:column;gap:9px;padding-block:17px}.topic-strip span:first-child{font-size:calc(16px + var(--site-font-increase))}.topic-strip span:last-child{font-size:calc(8px + var(--site-font-increase));gap:16px}.section-pad{padding-block:55px}.section-heading{display:block;margin-bottom:27px}.section-heading .eyebrow{margin-bottom:14px}.section-heading h2{font-size:calc(37px + var(--site-font-increase))}.section-heading>p{font-size:calc(11px + var(--site-font-increase));margin-top:15px}.resource-toolbar{flex-direction:column;align-items:stretch;gap:17px;margin-bottom:22px}.filter-tabs{align-self:flex-start}.filter-tabs button{padding:8px 14px;font-size:calc(10px + var(--site-font-increase))}.search-box{width:100%;padding:9px 0}.search-box input{font-size:calc(12px + var(--site-font-increase))}.resource-grid{grid-template-columns:1fr;gap:19px}.resource-card{display:grid;grid-template-columns:108px 1fr;min-height:190px}.resource-art{height:100%;min-height:190px}.resource-art svg{width:125px;height:130px;max-width:100%}.resource-art .big-formula{font-size:calc(21px + var(--site-font-increase));transform:rotate(-8deg);text-align:center;padding-inline:7px}.resource-card-body{padding:17px}.resource-card h3{font-size:calc(22px + var(--site-font-increase));margin-bottom:8px}.resource-card p{font-size:calc(10px + var(--site-font-increase));margin-bottom:14px}.resource-card button{font-size:calc(10px + var(--site-font-increase));padding-top:9px}.card-meta{margin-bottom:8px;gap:7px}.chip{font-size:calc(7px + var(--site-font-increase))}.card-meta>span:last-child{font-size:calc(8px + var(--site-font-increase))}.resource-footnote{font-size:calc(8px + var(--site-font-increase));line-height:1.7;align-items:flex-start;gap:7px}.resource-footnote .outline-dot{margin-top:5px}#resource-count{display:none}.lab-layout{grid-template-columns:1fr;padding:23px 19px 19px;gap:24px}.lab-tabs{margin-bottom:23px}.lab-control h3{font-size:calc(34px + var(--site-font-increase))}.lab-control h3 br{display:none}.lab-control p{font-size:calc(12px + var(--site-font-increase));max-width:none}.lab-equation{font-size:calc(28px + var(--site-font-increase));margin:20px 0}.slider-label{font-size:calc(11px + var(--site-font-increase))}.slider-label span{font-size:calc(11px + var(--site-font-increase))}.lab-control .lab-observation{font-size:calc(11px + var(--site-font-increase));min-height:0}.lab-canvas{min-height:310px}.canvas-caption{font-size:calc(6px + var(--site-font-increase));padding:12px;gap:6px}.canvas-caption>span:last-child{font-size:calc(11px + var(--site-font-increase))}#lab-plot{min-height:220px;flex:none}.canvas-footer{font-size:calc(9px + var(--site-font-increase));padding:12px;line-height:1.7}.puzzle-section{grid-template-columns:1fr;gap:35px}.puzzle-illustration{width:210px;margin-inline:auto}.puzzle-illustration>span{right:-27px;bottom:12px;font-size:calc(16px + var(--site-font-increase))}.puzzle-content h2{font-size:calc(36px + var(--site-font-increase))}.puzzle-content>p:not(.eyebrow){font-size:calc(12px + var(--site-font-increase))}.puzzle-topline{font-size:calc(8px + var(--site-font-increase))}.puzzle-actions{gap:24px}.puzzle-actions .button{font-size:calc(10px + var(--site-font-increase))}.puzzle-actions .text-link{font-size:calc(10px + var(--site-font-increase))}.puzzle-content .eyebrow{margin-bottom:22px}.agreg-intro{grid-template-columns:1fr;gap:25px}.agreg-section h2{font-size:calc(41px + var(--site-font-increase))}.agreg-intro>div>p:not(.eyebrow){max-width:none;font-size:calc(12px + var(--site-font-increase))}.method-grid{grid-template-columns:1fr;gap:25px;margin-top:33px;padding-top:25px}.method-grid article{padding-left:48px;position:relative}.method-number{position:absolute;left:0;top:-2px;font-size:calc(24px + var(--site-font-increase))}.method-grid h3{font-size:calc(23px + var(--site-font-increase));margin:0 0 8px}.method-grid p{font-size:calc(11px + var(--site-font-increase));max-width:none}.agreg-footnote{font-size:calc(8px + var(--site-font-increase));line-height:1.8}.about-section{grid-template-columns:1fr;gap:35px}.about-emblem{width:170px;height:170px}.about-emblem>span{font-size:calc(85px + var(--site-font-increase))}.about-emblem small{bottom:16px}.about-copy h2{font-size:calc(35px + var(--site-font-increase))}.about-copy p:not(.eyebrow){font-size:calc(12px + 2pt + var(--site-font-increase))}.handwritten-signature{font-size:calc(29px + var(--site-font-increase))}.footer-inner{flex-wrap:wrap;gap:16px;padding-block:27px}.footer-brand{font-size:calc(30px + var(--site-font-increase));gap:12px}.footer-brand span{font-size:calc(10px + var(--site-font-increase))}.footer-inner p{order:3;width:100%;font-size:calc(12px + var(--site-font-increase))}.footer-inner>a:last-child{font-size:calc(9px + var(--site-font-increase));margin-left:auto}.footer-bottom{flex-wrap:wrap;gap:8px;font-size:calc(8px + var(--site-font-increase));padding-block:16px}.footer-bottom>span:nth-child(2){order:3;width:100%}.footer-bottom button{font-size:calc(8px + var(--site-font-increase));margin-left:auto}.dialog-body{padding:25px 23px 30px}.dialog-body h2{font-size:calc(29px + var(--site-font-increase))}.dialog-body h3{font-size:calc(22px + var(--site-font-increase))}.dialog-body p,.dialog-body li{font-size:calc(12px + var(--site-font-increase))}.dialog-body .math-block{font-size:calc(21px + var(--site-font-increase));padding:16px}.dialog-toolbar{padding:11px 16px}.dialog-toolbar>span{font-size:calc(7px + var(--site-font-increase))}.dialog-toolbar>div{gap:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{body{background:#fff!important}body>*:not(dialog){display:none!important}dialog{position:static!important;display:block!important;max-height:none;width:100%;max-width:none;border:0;box-shadow:none;margin:0;padding:0;overflow:visible}dialog:not([open]){display:none!important}.dialog-toolbar{display:none}.dialog-body{padding:10mm;color:#000}.dialog-body details{break-inside:avoid}.dialog-body h2{font-size:calc(28pt + var(--site-font-increase))}.dialog-body h3{break-after:avoid}.dialog-body p,.dialog-body li{font-size:calc(11pt + var(--site-font-increase))}body.dialog-open{overflow:visible}}

/* Collections de cours, exercices et énigmes. */
.collection-summary{display:flex;flex-wrap:wrap;gap:12px 27px;margin:-5px 0 28px;padding-bottom:22px;border-bottom:1px solid var(--line);font-size:calc(10px + var(--site-font-increase));color:var(--muted)}.collection-summary strong{font:italic calc(22px + var(--site-font-increase)) var(--serif);color:var(--green);margin-right:5px}.resource-refinements{display:flex;gap:20px;align-items:center;margin:-3px 0 25px}.resource-refinements label{display:flex;gap:9px;align-items:center;font-size:calc(9px + var(--site-font-increase));color:var(--muted)}.resource-refinements select,.puzzle-library select{background:#fbfaf5;border:1px solid #cfd7c6;border-radius:3px;color:var(--ink);padding:8px 28px 8px 10px;font-family:var(--sans);font-size:calc(10px + var(--site-font-increase));max-width:100%;cursor:pointer}.resource-refinements>.reset-button{margin-left:auto;white-space:nowrap}.show-resources{display:flex;margin:28px auto 0;font-size:calc(10px + var(--site-font-increase))}.sequence-stamp{position:absolute;right:13px;top:12px;font-size:calc(8px + var(--site-font-increase));letter-spacing:1px;color:#5b7051;border:1px solid #aab79f;padding:2px 6px;border-radius:3px;background:#f8f9f177}.resource-art .big-formula{max-width:85%;text-align:center;font-size:calc(24px + var(--site-font-increase));line-height:1.3}.card-resource-actions{display:flex;gap:15px;margin-top:auto;justify-content:space-between;border-top:1px solid var(--line)}.resource-card .card-resource-actions button{border:0;margin:0;gap:12px;flex:1;white-space:nowrap;padding-top:12px}.resource-card .card-resource-actions button+button{justify-content:flex-end}.resource-card .card-resource-actions button:hover{color:#a17e43}.document-availability{font-size:calc(8px + var(--site-font-increase));color:#849078;margin-top:12px;line-height:1.5}.resource-dialog-tabs{display:flex;gap:19px;border-bottom:1px solid var(--line);margin:25px 0 24px}.resource-dialog-tabs button{font-size:calc(11px + var(--site-font-increase));padding:0 0 11px;border-bottom:2px solid transparent;color:var(--muted)}.resource-dialog-tabs button.active{border-color:var(--green);color:var(--green)}.source-intro{font:italic calc(16px + var(--site-font-increase))/1.7 var(--serif)!important;color:#7c8770!important}.document-header{display:flex;align-items:center;justify-content:space-between;gap:20px}.dialog-body .document-header h3{font-size:calc(26px + var(--site-font-increase));margin:9px 0 0}.document-header .button{font-size:calc(10px + var(--site-font-increase));padding:11px 16px;white-space:nowrap}.dialog-body .document-help{font-size:calc(10px + var(--site-font-increase));color:var(--muted);margin-top:15px}.document-frame{width:100%;height:64vh;min-height:380px;border:1px solid var(--line);border-radius:3px;background:#e6e9df}.extra-documents{margin-top:26px;padding:18px 20px;background:#edf0e6;border:1px solid #dce2d3;border-radius:3px}.extra-documents h4{margin:0 0 8px;font-size:calc(11px + var(--site-font-increase));font-weight:600}.extra-documents a{font-size:calc(11px + var(--site-font-increase));display:flex;gap:15px;align-items:center;justify-content:space-between;padding:10px 0;border-top:1px solid #dce2d3;line-height:1.5}.extra-documents a:hover{color:#8b6f3a}.extra-documents a span{font-size:calc(9px + var(--site-font-increase));flex-shrink:0;color:#758568}.puzzle-library{margin:-6px 0 23px;display:flex;flex-direction:column;gap:6px}.puzzle-library label{font-size:calc(9px + var(--site-font-increase));color:var(--muted);letter-spacing:.5px}.puzzle-library select{font-size:calc(11px + var(--site-font-increase));width:100%;padding:11px}.puzzle-navigation{display:flex;gap:30px;align-items:center}.puzzle-download{font-size:calc(9px + var(--site-font-increase));display:inline-flex;gap:15px;margin-top:17px;border-bottom:1px solid #c7cfba;padding-bottom:4px;color:#6b7e5d}.puzzle-download:hover{color:var(--green)}.puzzle-diagram{margin:18px 0;background:#f0f2e8;border:1px solid #dde3d3;border-radius:4px;padding:14px;text-align:center}.puzzle-diagram>svg{height:auto;width:100%;max-width:380px;max-height:240px;margin-inline:auto}.puzzle-diagram>img{max-width:100%;max-height:240px;object-fit:contain}.puzzle-answer .puzzle-diagram{background:#f8f9f2;margin-bottom:0}.puzzle-content>p:not(.eyebrow){white-space:normal}dialog.document-dialog{max-width:1050px}
@media(max-width:820px){.resource-refinements{gap:14px}.resource-refinements label{font-size:calc(8px + var(--site-font-increase));gap:6px}.resource-refinements select{font-size:calc(9px + var(--site-font-increase));max-width:160px}.resource-art .big-formula{font-size:calc(21px + var(--site-font-increase))}.card-resource-actions{gap:10px}.resource-card .card-resource-actions button{font-size:calc(9px + var(--site-font-increase));gap:8px}.document-availability{font-size:calc(7px + var(--site-font-increase))}.collection-summary{gap:10px 20px;font-size:calc(9px + var(--site-font-increase))}}
@media(max-width:600px){.collection-summary{margin-top:2px;gap:8px 18px;padding-bottom:20px}.collection-summary strong{font-size:calc(19px + var(--site-font-increase))}.collection-summary span{font-size:calc(9px + var(--site-font-increase))}.resource-refinements{flex-wrap:wrap;gap:10px;margin-bottom:24px}.resource-refinements label{flex:1;flex-direction:column;align-items:flex-start;gap:4px;font-size:calc(9px + var(--site-font-increase));min-width:120px}.resource-refinements select{width:100%;max-width:none;font-size:calc(10px + var(--site-font-increase));padding:9px}.resource-refinements>.reset-button{margin-left:0;font-size:calc(9px + var(--site-font-increase));width:100%;text-align:left;padding:2px 0}.resource-art .big-formula{font-size:calc(18px + var(--site-font-increase));line-height:1.4;transform:none;max-width:95%;overflow-wrap:anywhere}.sequence-stamp{top:8px;right:8px;font-size:calc(7px + var(--site-font-increase))}.resource-card .card-resource-actions button{font-size:calc(9px + var(--site-font-increase));gap:7px;padding-top:10px}.document-availability{font-size:calc(7px + var(--site-font-increase));margin-top:10px}.resource-card-body{padding:16px 14px}.show-resources{font-size:calc(11px + var(--site-font-increase))}.resource-dialog-tabs{gap:15px;margin-top:23px;overflow-x:auto;scrollbar-width:thin}.resource-dialog-tabs button{font-size:calc(10px + var(--site-font-increase));white-space:nowrap;padding-bottom:10px}.document-header{align-items:flex-start;flex-direction:column;gap:14px}.dialog-body .document-header h3{font-size:calc(25px + var(--site-font-increase))}.document-header .button{font-size:calc(10px + var(--site-font-increase))}.document-frame{height:60vh;min-height:360px}.extra-documents{padding:16px}.extra-documents a{font-size:calc(10px + var(--site-font-increase))}.puzzle-library select{font-size:calc(12px + var(--site-font-increase));min-height:43px}.puzzle-diagram{padding:10px}.puzzle-content h2{font-size:calc(34px + var(--site-font-increase))}.puzzle-navigation{gap:28px}.puzzle-download{font-size:calc(10px + var(--site-font-increase));line-height:1.8}.resource-footnote{max-width:100%}.source-intro{font-size:calc(15px + var(--site-font-increase))!important}}
@media print{.resource-dialog-tabs,.document-header,.document-help,.document-frame{display:none!important}.extra-documents{break-inside:avoid}.card-resource-actions{display:none}}

/* Illustrated chapter covers: a small, colorful world to explore. */
.resource-card{border-radius:10px;background:#fffdf8;border-color:#dfe1d6;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}.resource-card:hover,.resource-card:focus-within{transform:translateY(-5px);border-color:#b8c8ad;box-shadow:0 15px 35px #25442d14}.resource-card .resource-cover-link{display:block;position:relative;margin:0;padding:0;border:0;border-radius:0;width:100%;height:auto;aspect-ratio:16/9;overflow:hidden;text-align:left;background:#315d51;line-height:0;flex:none;isolation:isolate}.resource-cover-link::before{display:none}.resource-cover-image{display:block;width:100%;height:100%;object-fit:cover;transition:transform .65s cubic-bezier(.2,.65,.3,1);max-width:none}.resource-card:hover .resource-cover-image,.resource-cover-link:focus-visible .resource-cover-image{transform:scale(1.055)}.resource-cover-link::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#152f2924,transparent 45%);pointer-events:none}.resource-cover-link .sequence-stamp{z-index:2;top:15px;right:15px;color:#fff9e8;border:1px solid #fff6dc80;background:#193d384d;backdrop-filter:blur(10px);padding:5px 8px;font-size:calc(9px + var(--site-font-increase));letter-spacing:1.4px;line-height:1;border-radius:4px}.cover-invitation{position:absolute;z-index:2;left:17px;bottom:15px;display:flex;align-items:center;gap:19px;padding:9px 11px;border-radius:4px;background:#fffaf0ed;color:#294c40;font-size:calc(10px + var(--site-font-increase));font-weight:550;line-height:1;box-shadow:0 3px 10px #142f2710;transition:background .2s,transform .2s}.cover-invitation>span{font-size:calc(17px + var(--site-font-increase));line-height:.7}.resource-card:hover .cover-invitation{background:#fffdf6;transform:translateY(-2px)}.resource-card .resource-card-body{padding:22px 23px 18px}.resource-card h3{font-size:calc(23px + var(--site-font-increase));line-height:1.3}.resource-card p{font-size:calc(11px + var(--site-font-increase));line-height:1.8}.resource-cover-link:focus-visible{outline-offset:-5px;outline-color:#fff5d6;outline-width:3px;z-index:2}.resource-cover-link .resource-cover-image{pointer-events:none}
@media(max-width:1100px){.resource-card .resource-card-body{padding:20px 18px 17px}.resource-card h3{font-size:calc(22px + var(--site-font-increase))}.cover-invitation{left:13px;bottom:12px;font-size:calc(9px + var(--site-font-increase));padding:8px 10px;gap:15px}.resource-cover-link .sequence-stamp{top:12px;right:12px;font-size:calc(8px + var(--site-font-increase))}}
@media(max-width:820px){.resource-card h3{font-size:calc(20px + var(--site-font-increase))}.resource-card .resource-card-body{padding:18px 15px 16px}.resource-card p{font-size:calc(10px + var(--site-font-increase))}.cover-invitation{font-size:calc(8px + var(--site-font-increase));padding:7px 9px;left:11px;bottom:10px;gap:11px}.cover-invitation>span{font-size:calc(15px + var(--site-font-increase))}.resource-cover-link .sequence-stamp{font-size:calc(7px + var(--site-font-increase));top:10px;right:10px;padding:4px 6px}}
@media(max-width:600px){.resource-card{display:flex;flex-direction:column;min-height:0;border-radius:10px}.resource-card .resource-cover-link{aspect-ratio:16/9;min-height:0;height:auto}.resource-card .resource-card-body{padding:21px 21px 18px}.resource-card h3{font-size:calc(25px + var(--site-font-increase))}.resource-card p{font-size:calc(12px + var(--site-font-increase));line-height:1.8;margin-bottom:20px}.resource-card .card-meta{margin-bottom:12px}.resource-card .chip{font-size:calc(8px + var(--site-font-increase))}.resource-card .card-meta>span:last-child{font-size:calc(10px + var(--site-font-increase))}.resource-card .card-resource-actions button{font-size:calc(11px + var(--site-font-increase));padding-top:14px}.document-availability{font-size:calc(8px + var(--site-font-increase))}.cover-invitation{font-size:calc(10px + var(--site-font-increase));left:16px;bottom:14px;padding:9px 11px;gap:20px}.cover-invitation>span{font-size:calc(17px + var(--site-font-increase))}.resource-cover-link .sequence-stamp{font-size:calc(9px + var(--site-font-increase));top:14px;right:14px;padding:5px 8px}.resource-card:hover{transform:none}}

.about-portrait{width:100%;max-width:320px;margin:0 auto}.about-photo-frame{padding:10px;background:#fdfcf7;border:2px solid #8da17b;border-radius:16px;box-shadow:0 14px 35px #24463815,0 0 0 5px #e6ebdf}.about-photo-frame img{display:block;width:100%;height:auto;border-radius:8px;border:1px solid #d2daca}.about-portrait figcaption{margin:21px 0 0;text-align:center;font:italic calc(17px + var(--site-font-increase))/1.65 var(--serif);color:var(--green);padding:0 5px}.about-section{align-items:center}
@media(max-width:700px){.about-portrait{max-width:290px}.about-portrait figcaption{font-size:calc(17px + var(--site-font-increase))}.about-photo-frame{padding:8px}}