:root{--ink:#181b18;--muted:#555d53;--line:#d8dcd4;--green:#344c35;--soft:#f3f5ef;--space:clamp(20px,3vw,72px)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:#fff;color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:inherit;text-underline-offset:4px}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.12;font-weight:500;text-wrap:balance}h1{font-size:clamp(36px,4.4vw,76px);letter-spacing:-.035em;margin:14px 0 24px}h2{font-size:clamp(29px,3vw,48px);letter-spacing:-.025em;margin:0 0 20px}h3{font-size:25px;margin:0 0 12px}p{margin:0 0 18px}ul,ol{padding-left:1.4em}li{margin:.4em 0}.wrap{width:100%;padding-inline:var(--space);margin:auto}.skip{position:absolute;top:10px;left:10px;z-index:50;padding:12px;background:#fff;transform:translateY(-200%)}.skip:focus{transform:none}.brand{font:700 clamp(24px,2.6vw,39px)/1 Georgia,serif;letter-spacing:-1.3px;text-decoration:none}.brand small{display:block;font:600 11px/1.5 system-ui;letter-spacing:.16em;margin-top:7px}.topline{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:24px}.toplinks{display:flex;gap:26px;align-items:center;font-size:15px}.toplinks a{text-decoration:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 22px;background:var(--ink);color:#fff;border:1px solid var(--ink);text-decoration:none;font-weight:650;min-height:48px;font-size:16px}.btn:hover{background:var(--green);border-color:var(--green)}.btn.light{background:#fff;color:var(--ink)}.btn:disabled{cursor:default;opacity:.45}.category-nav{border-block:1px solid var(--line)}.category-nav .wrap{display:flex;gap:24px;overflow:auto;scrollbar-width:thin}.category-nav a{white-space:nowrap;text-decoration:none;padding:14px 0;font-size:14px}.category-nav a[aria-current=page]{box-shadow:inset 0 -3px var(--green);font-weight:700}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:13px;font-weight:700;color:var(--green)}.hero{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);min-height:550px}.hero-copy{padding:clamp(35px,5vw,80px) var(--space)}.hero h1{font-size:clamp(42px,5vw,85px);max-width:14ch;line-height:1.02;margin-top:20px}.hero p{max-width:48ch;font-size:19px}.hero-picture{height:100%;min-height:450px;object-fit:cover;width:100%;object-position:65% center}.hero-media{margin:0;overflow:hidden;position:relative}.hero-media figcaption{position:absolute;bottom:24px;left:24px;max-width:24ch;font:italic 25px/1.3 Georgia;background:rgba(255,255,255,.86);padding:15px}.stats{display:flex;gap:30px;margin-top:34px;flex-wrap:wrap}.stats b{display:block;font:32px Georgia}.stats span{font-size:14px;color:var(--muted)}.section{padding-block:64px;border-bottom:1px solid var(--line)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section-head h2{margin:8px 0 0}.universe-list{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0}.universe-list a{display:flex;align-items:center;justify-content:space-between;padding:20px 16px;border-bottom:1px solid var(--line);text-decoration:none;font-size:17px}.universe-list a:hover{background:var(--soft)}.universe-list span{font-size:13px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.card{border-top:3px solid var(--ink);padding:22px 0;display:flex;flex-direction:column;text-decoration:none;min-width:0}.card:hover h3{text-decoration:underline}.card .label{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.card h3{font-size:clamp(24px,2vw,32px);margin:12px 0}.card p{font-size:16px;color:var(--muted);flex:1}.card .go{font-size:15px;font-weight:700}.feature{display:grid;grid-template-columns:1fr 1.2fr;background:var(--soft)}.feature-copy{padding:clamp(26px,4vw,70px)}.feature img{width:100%;height:100%;min-height:360px;object-fit:cover}.feature p{max-width:50ch}.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}.three p{color:var(--muted);max-width:60ch}.footer{padding-block:50px;background:var(--soft)}.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:50px}.footer p{font-size:14px;margin-top:18px;max-width:55ch;color:var(--muted)}.footer h2{font:700 14px system-ui;text-transform:uppercase;letter-spacing:.1em}.footer ul{list-style:none;padding:0;font-size:15px}.footer a{text-decoration:none}.footer a:hover{text-decoration:underline}.footer-bottom{border-top:1px solid var(--line);padding-top:22px;margin-top:30px;font-size:14px;color:var(--muted)}.page-heading{padding-block:38px 30px}.breadcrumb{font-size:14px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:25px}.page-heading h1{max-width:25ch}.page-heading p{max-width:85ch;font-size:19px}.meta{display:flex;gap:10px 25px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-block:16px}.layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,25%);gap:clamp(28px,4vw,72px);align-items:start;padding-bottom:60px}.aside{background:var(--soft);padding:26px;min-width:0}.aside h2{font-size:26px}.aside p,.aside li{font-size:15px}.aside ul{padding-left:18px}.aside a{display:inline-block}.aside .btn{width:100%;margin-top:14px}.quiz{border:1px solid #b4bdb0;padding:clamp(20px,3vw,44px);background:#fff;box-shadow:0 14px 35px #172a1410;scroll-margin-top:20px}.quiz-top{display:flex;justify-content:space-between;gap:15px;margin-bottom:15px;font-size:14px}.quiz progress{width:100%;height:8px;appearance:none;border:0;background:#e6e9e2;display:block;margin:15px 0 26px;accent-color:var(--green)}.quiz progress::-webkit-progress-bar{background:#e6e9e2}.quiz progress::-webkit-progress-value{background:var(--green)}.question{border:0;padding:0;margin:0 0 22px;min-width:0}.question legend{font:500 clamp(24px,2.3vw,35px)/1.25 Georgia;letter-spacing:-.02em;padding:0;margin-bottom:22px;width:100%}.answers{display:grid;gap:10px}.answer{display:flex;align-items:center;gap:13px;padding:14px 17px;border:1px solid #b4bdb0;cursor:pointer;min-height:55px;line-height:1.4}.answer:hover{background:var(--soft)}.answer:has(input:checked){background:#edf2e7;border-color:var(--green);box-shadow:inset 3px 0 var(--green)}.answer input{accent-color:var(--green);width:18px;height:18px;flex:0 0 18px}.quiz-nav{display:flex;justify-content:space-between;gap:16px;margin-top:25px}.quiz-note{font-size:14px;color:var(--muted);margin-top:18px}.save-control{font-size:14px;display:flex;align-items:flex-start;gap:10px;margin-top:22px}.save-control input{width:18px;height:18px;flex:0 0 18px;margin-top:4px}.status{font-size:14px;min-height:1.6em;margin-top:8px}.js-only{display:none}.enhanced .js-only{display:block}.enhanced .quiz-nav{display:flex}[hidden]{display:none!important}.result{background:var(--soft);padding:clamp(18px,3vw,40px);margin-top:25px}.result h2{font-size:34px}.result h3{font-size:25px}.result-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.result ul{margin-bottom:24px}.result .meter-row{margin-bottom:24px}.meter-row meter{width:100%;height:16px;accent-color:var(--green)}.meter-head{display:flex;justify-content:space-between;gap:15px;font-size:16px}.meter-row p{font-size:15px;margin-top:8px}.prose{padding-top:40px}.prose>p,.prose>ul{max-width:85ch}.prose h2{font-size:32px;margin-top:35px}.prose h3{font-size:24px}.prose .note{margin-top:25px}.note{padding:20px 24px;background:var(--soft);border-left:3px solid var(--green);font-size:16px}.methods{border-block:1px solid var(--line);padding:22px 0;margin:28px 0}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-weight:650;line-height:1.5}details p{margin:14px 0 5px;max-width:85ch}.source{font-size:14px}.answer-key ol{padding:0;list-style:none;counter-reset:answers}.answer-key li{counter-increment:answers;margin:0}.answer-key summary:before{content:counter(answers) '. ';color:var(--muted)}.catalog-nav{display:flex;gap:12px;flex-wrap:wrap;margin-block:20px 35px}.catalog-nav a{border:1px solid var(--line);padding:8px 14px;font-size:15px;text-decoration:none}.catalog-group{scroll-margin-top:24px;margin-bottom:50px}.catalog-group h2{border-bottom:1px solid var(--line);padding-bottom:15px}.plain-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,28%);gap:6vw;padding-bottom:60px}.plain-content{max-width:95ch}.plain-content h2{font-size:31px;margin-top:35px}.plain-content h3{font-size:24px;margin-top:26px}.plain-content p{max-width:85ch}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:15px;margin:25px 0}th,td{text-align:left;border:1px solid var(--line);padding:14px;vertical-align:top}th{background:var(--soft)}.mobile-menu{display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}:focus-visible{outline:3px solid #3c663a;outline-offset:4px}input:focus-visible{outline-offset:3px}.question:focus-visible,.result:focus-visible{outline-offset:8px}button.text-button{border:0;background:transparent;text-decoration:underline;color:var(--ink);padding:8px 0;min-height:44px;font-size:15px}.correct{border-left:3px solid #344c35;padding-left:14px}.incorrect{border-left:3px solid #a23c2a;padding-left:14px}.footnote{font-size:14px;color:var(--muted)}
@media(min-width:1900px){.cards{grid-template-columns:repeat(4,minmax(0,1fr))}.layout{grid-template-columns:minmax(0,1fr) 28%}.quiz .quiz-form{max-width:1100px}.hero-copy{padding-block:85px}}
@media(max-width:1000px){.toplinks{gap:16px}.toplinks .btn{display:none}.hero{grid-template-columns:1fr 1fr;min-height:440px}.hero h1{font-size:clamp(40px,5.5vw,60px)}.hero-picture{min-height:100%}.hero-media figcaption{font-size:20px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.universe-list{grid-template-columns:repeat(4,minmax(0,1fr))}.layout{grid-template-columns:minmax(0,1fr) 260px;gap:25px}.three{gap:22px}.footer-grid{gap:25px}.brand{font-size:29px}}
@media(max-width:760px){.topline{min-height:85px;flex-wrap:wrap;padding-block:20px;gap:15px}.toplinks{display:none;width:100%;flex-wrap:wrap}.toplinks.open{display:flex}.mobile-menu{display:block;min-height:44px;padding:8px 12px;border:1px solid var(--line);background:#fff;font-size:15px}.brand{font-size:27px}.brand small{font-size:10px;letter-spacing:.12em}.hero{grid-template-columns:1fr}.hero h1{max-width:17ch;font-size:clamp(43px,10vw,64px)}.hero-copy{padding-block:34px}.hero-media{max-height:390px}.hero-picture{min-height:0;aspect-ratio:1.5;object-position:center}.hero-media figcaption{display:none}.stats{margin-top:25px}.section{padding-block:42px}.universe-list{grid-template-columns:repeat(2,minmax(0,1fr))}.feature{grid-template-columns:1fr}.feature img{min-height:0;aspect-ratio:1.5}.three,.footer-grid,.layout,.plain-layout{grid-template-columns:1fr}.aside{margin-top:5px}.page-heading{padding-top:28px}.page-heading h1{font-size:42px;max-width:23ch}.page-heading p{font-size:17px}.quiz{box-shadow:none}.section-head{align-items:start;flex-direction:column}.plain-layout{gap:20px}.category-nav .wrap{gap:22px}.quiz-nav .btn{padding-inline:15px}.result-actions .btn{width:100%}}
@media(max-width:440px){.cards{grid-template-columns:1fr}.brand{font-size:25px}.topline{gap:10px}.mobile-menu{font-size:14px}.page-heading h1{font-size:36px}.hero h1{font-size:45px}.answer{padding:12px}.stats{gap:24px}.quiz{padding:18px}.universe-list a{padding:16px 8px}.question legend{font-size:25px}.quiz-top{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
@media print{header,footer,.aside,.quiz,.result-actions,.catalog-nav,.skip{display:none!important}.wrap{padding:0}.layout,.plain-layout{display:block}.result{display:block;background:white}.prose{padding:0}details{break-inside:avoid}details>p{display:block}a{color:#000}.section{padding:20px 0}}

/* V10: recherche accessible et détail des réponses */
[hidden]{display:none!important}
.catalog-search{max-width:52rem;margin:0 0 2rem;padding:1.25rem;background:#f3f4ef}
.catalog-search label{display:block;font-weight:700;margin-bottom:.6rem}
.catalog-search input{width:100%;min-height:48px;border:1px solid #66705f;border-radius:0;padding:.8rem;font:inherit;background:white;color:#202620}
.response-review{margin:1.5rem 0;border-top:1px solid #ccd0c5;padding:1rem 0}
.response-review li{padding:1rem 0;border-bottom:1px solid #ddd}
.response-review summary{cursor:pointer;font-weight:700}
@media print{header,.footer,.aside,.quiz,.result-actions,.response-review button{display:none!important}.layout{display:block}.result[hidden]{display:none!important}body{color:#000;background:#fff}.prose,.result{max-width:none}}

.catalog-search select{width:100%;min-height:48px;border:1px solid #66705f;border-radius:0;padding:.8rem;font:inherit;background:#fff;color:#202620}.catalog-search label[for="test-format"]{margin-top:1rem}.response-contrast li{margin:.8rem 0}.response-contrast button{margin-top:.4rem}
@media print{.result button,.catalog-search{display:none!important}}

.universe-guide{margin:1.5rem 0 2rem;padding:1.25rem 1.5rem;border-left:3px solid #344c35;background:#f6f7f3}.universe-guide h2{margin-top:0}.universe-guide li{margin:.8rem 0}.universe-guide summary{cursor:pointer;font-weight:600}.axis-action{padding-top:.7rem;border-top:1px solid #d9ddd4}

.catalog-search [data-reset-search]{margin-top:1rem}.catalog-search [data-search-status]{margin-top:1rem;margin-bottom:0}

/* V19: exact vector diagrams, readable reference tables and separate revision. */
.flag-question{margin:1.2rem 0;padding:1rem;background:#f4f5f0;display:flex;justify-content:center}.flag-question img{display:block;width:auto;max-width:100%;height:180px;object-fit:contain;filter:drop-shadow(0 0 1px #555)}.reference-guide{padding:1.3rem 0;border-top:2px solid #344c35;margin-top:2rem}.quiz-promise{font-size:1.05rem}.revision-session{margin:1.5rem 0;padding:1.2rem;border:1px solid #344c35}.revision-session button{margin:.4rem .4rem .4rem 0}.revision-session legend{font-weight:700}.revision-feedback{padding:1rem;background:#f1f3ed}.revision-session [hidden]{display:none!important}@media(max-width:440px){.flag-question img{height:145px}.revision-session{padding:.8rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* V20: colour comparisons with readable names and shorter quiz introductions. */
.quiz-page .page-heading{padding-top:24px;padding-bottom:20px}.quiz-page .page-heading h1{font-size:clamp(32px,3.2vw,56px);max-width:36ch}.quiz-page .page-heading p{margin-bottom:1rem}.quiz-caution,.palette-note{font-size:.95rem;line-height:1.55}.quiz-caution{padding:.7rem 0;border-bottom:1px solid #d9ddd4}.answer-content{min-width:0}.answer-palette{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.55rem}.colour-chip{display:inline-block;width:1.7rem;height:1.7rem;border:1px solid #666;flex:0 0 1.7rem}.reference-guide td p{margin:.65rem 0 0}.result li>details>summary{cursor:pointer;font-weight:700}.result li>details{margin:.5rem 0}.score-context{padding:1rem;background:#f1f3ed;border-left:3px solid #344c35}

/* V21: concrete reading guides integrated below the questionnaire. */
.practical-guide{margin:2rem 0;padding:1.4rem 0;border-top:2px solid #344c35}.practical-guide h2{margin-top:0}.reading-distinctions{margin:1.2rem 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.4rem}.reading-distinctions dt{font-weight:700;margin-bottom:.45rem}.reading-distinctions dd{margin:0;line-height:1.7}.reading-example{padding:1rem 1.2rem;border-left:3px solid #344c35;background:#f6f7f3}.practical-guide li{padding-left:.15rem;margin:.65rem 0}.documented-note{padding:.8rem 0;border-top:1px solid #d9ddd4}.related-reading{margin-top:1.3rem}.quiz-context{font-size:.95rem;line-height:1.55}@media(max-width:700px){.reading-distinctions{grid-template-columns:1fr;gap:1rem}.reading-example{padding:1rem}}

/* V22: question de comparaison distincte du scénario éditorial. */
.workshop-cases dd p{margin:1rem 0 0}