@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#172337;--navy:#111e31;--muted:#627083;--gold:#eeb969;--line:#dfe4e9;--paper:#f6f7f9}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;color:var(--ink);font:16px/1.65 'DM Sans',sans-serif;background:white}h1,h2,h3,p{margin:0}button,input,textarea{font:inherit}a{color:inherit;text-decoration:none}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #be791a;outline-offset:5px}header{height:96px;display:flex;align-items:center;justify-content:space-between;padding:0 5.5%;border-bottom:1px solid var(--line);background:#fff;gap:25px}.brand{display:flex;gap:12px;align-items:center;font-family:Manrope,sans-serif;font-weight:800;font-size:17px;line-height:1.25}.mark{background:var(--navy);color:var(--gold);font-size:40px;line-height:1;width:46px;height:48px;border-radius:7px;text-align:center}nav{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:600}nav a:hover{color:#a36b22}.nav-tool{border:1px solid var(--line);padding:12px 17px;border-radius:5px}.nav-tool span{margin-left:15px}.menu{display:none}.hero{background:var(--navy);color:white;padding:66px 5.5% 0;display:grid;grid-template-columns:1.6fr 1fr;gap:25px;position:relative;overflow:hidden}.hero-inner{z-index:1}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;color:#737d8b}.hero .eyebrow{color:var(--gold);font-size:11px;letter-spacing:1.8px;display:flex;align-items:center;gap:10px}.hero .eyebrow>span{width:18px;height:1px;background:var(--gold)}.hero h1{font-size:16px;font-weight:500;color:#b7c2d2;margin-top:23px}.hero h2{font-family:Manrope,sans-serif;font-size:clamp(32px,3.6vw,58px);line-height:1.16;letter-spacing:-1.8px;font-weight:600;margin-top:13px}.hero em{font-style:normal;color:var(--gold)}.hero p{color:#bdc7d5;margin-top:24px;font-size:16px}#search-form{display:flex;background:white;border-radius:6px;margin-top:32px;padding:7px;align-items:center;color:var(--ink);max-width:760px}#search-form>span{font-size:30px;padding:0 10px}#search{min-width:0;flex:1;border:0;font-size:14px;padding:12px 0;outline-offset:2px}#search-form button{background:var(--gold);color:var(--ink);border:0;padding:12px 17px;border-radius:3px;font-size:13px;font-weight:700}.suggestions{display:flex;gap:9px;flex-wrap:wrap;align-items:center;font-size:12px;color:#aab7ca;margin:14px 0 24px}.suggestions button{background:transparent;color:#c5cfdb;border:1px solid #354258;font-size:12px;border-radius:20px;padding:3px 10px}.logic-art{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:15px 20px 35px;isolation:isolate}.orbit{position:absolute;border:1px solid #ffffff0b;border-radius:50%;width:390px;height:390px;z-index:-1}.orbit-two{width:290px;height:290px}.art-label,.art-foot{font-size:10px;color:#8796ab;letter-spacing:2px;margin-bottom:25px}.art-foot{margin:22px 0 0;letter-spacing:.4px;font-size:12px}.logic-step{border:1px solid #3b4555;border-radius:6px;width:290px;padding:17px 21px;background:#1b293d;transform:rotate(-3deg)}.logic-step small{display:block;font-size:10px;letter-spacing:1.5px;color:#96a5bc}.logic-step span{font-size:15px;display:block;margin-top:6px}.logic-step.conclusion{transform:rotate(2deg);border-color:#b98b4c;background:#2b2c30}.conclusion small{color:var(--gold)}.logic-line{height:28px;border-left:1px dashed #9c885f}.hero-bottom{grid-column:1/-1;display:flex;justify-content:space-between;border-top:1px solid #ffffff17;padding:19px 0;color:#8e9caf;font-size:12px;letter-spacing:.5px}.section{max-width:1440px;margin:auto;padding:66px 5.5%}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:29px}.section h2{font-family:Manrope,sans-serif;font-size:30px;line-height:1.25;letter-spacing:-1px;margin-top:9px}.section-heading p,.section-note{font-size:14px;color:var(--muted)}.path-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.path-grid>a{border:1px solid var(--line);border-radius:7px;padding:24px 20px;transition:transform .2s,box-shadow .2s;position:relative;display:flex;flex-direction:column;align-items:start}.path-grid>a:hover{transform:translateY(-5px);box-shadow:0 12px 30px #17233712}.path-icon{font-size:30px;line-height:1.2}.path-grid small{position:absolute;right:18px;top:25px;font-size:11px;color:#8c96a4}.path-grid h3{font-size:17px;margin:23px 0 10px;letter-spacing:-.5px}.path-grid p{font-size:14px;line-height:1.7;color:var(--muted);flex:1}.path-link{font-size:12px;font-weight:700;margin-top:25px;border-bottom:1px solid #b9c0ca;padding-bottom:3px}.path-grid .featured{background:var(--navy);border-color:var(--navy);color:#fff}.featured .path-icon,.featured .path-link{color:var(--gold)}.featured p{color:#b9c4d2}.paths{padding-bottom:25px}.debate-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.debate-card{text-align:left;background:var(--paper);border:1px solid transparent;border-radius:6px;padding:24px;min-height:157px;color:var(--ink);transition:border-color .2s}.debate-card:hover{border-color:#b28b53}.debate-card small{font-size:10px;letter-spacing:1.4px;color:#65758a;text-transform:uppercase}.debate-card h3{font:600 21px/1.35 Manrope,sans-serif;margin:14px 0 18px;letter-spacing:-.4px}.debate-card span{font-size:12px;color:var(--muted)}.debate-card:first-child{grid-row:span 2;background:var(--navy);color:white;display:flex;flex-direction:column;justify-content:center;padding:32px}.debate-card:first-child h3{font-size:34px;max-width:230px}.debate-card:first-child small,.debate-card:first-child span{color:var(--gold)}.knowledge{background:var(--paper);border-block:1px solid #e9edf1}.knowledge-grid{display:grid;grid-template-columns:1fr 1fr;gap:75px}.count{font-size:14px;color:#7b8797;border:1px solid #d9dfe6;padding:4px 11px;border-radius:30px}.article-list button{width:100%;text-align:left;background:none;border:0;border-bottom:1px solid #dee3e9;padding:17px 2px;display:flex;align-items:center;justify-content:space-between;gap:15px;color:var(--ink)}.article-list strong{display:block;font-size:16px;font-weight:600}.article-list small{display:block;font-size:13px;color:var(--muted);margin-top:3px}.article-list button>span:last-child{font-size:22px;color:#8c96a4}.article-list button:hover strong{color:#966521}.logic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.logic-card{background:white;text-align:left;border:1px solid var(--line);border-radius:6px;padding:25px;color:var(--ink)}.logic-card>span{font-size:29px;color:#a77632}.logic-card h3{margin:12px 0 8px;font-size:18px}.logic-card p{color:var(--muted);font-size:14px}.analysis-section{background:var(--navy);color:white;max-width:none;display:grid;grid-template-columns:1fr 1.55fr;gap:65px}.analysis-intro h2{font-size:40px;line-height:1.15;margin:18px 0}.analysis-intro>.eyebrow{color:var(--gold)}.analysis-intro p{color:#bbc6d5;max-width:350px}.demo-label{font-size:12px;border:1px solid #516078;color:#e8bf85;width:fit-content;border-radius:20px;padding:3px 12px;margin:25px 0 10px}.analysis-intro .fine{font-size:13px}.analysis-tool{background:white;border-radius:8px;padding:28px;color:var(--ink);align-self:start}.analysis-tool label{display:block;font-weight:600;font-size:15px;margin-bottom:15px}textarea{width:100%;resize:vertical;min-height:140px;max-height:450px;border:1px solid #d9dfe6;border-radius:4px;padding:16px;font-size:16px;background:#fafbfc;color:var(--ink)}.analysis-actions{display:flex;justify-content:space-between;gap:10px;margin-top:14px}.analysis-actions button{font-size:13px;border:0;border-radius:4px;padding:12px 16px;color:var(--ink);background:#f1f3f6}.analysis-actions .primary{background:var(--gold);font-weight:700}#analysis-result{border-top:1px solid var(--line);margin-top:24px;padding-top:20px}#analysis-result h3{font-size:20px;margin:5px 0 10px}#analysis-result p{font-size:14px;margin-bottom:12px}#analysis-result dl{font-size:13px}dt{font-weight:700;margin-top:12px}dd{margin:3px 0 0;color:var(--muted)}.principle{display:flex;gap:28px;align-items:center;padding-top:44px;padding-bottom:44px}.principle-symbol{font-size:60px;color:#b78a48}.principle h2{font-size:22px}.principle p{font-size:14px;color:var(--muted);margin-top:12px}footer{border-top:1px solid var(--line);padding:32px 5.5%;display:flex;align-items:center;justify-content:space-between;gap:20px}footer p,footer>span{font-size:12px;color:var(--muted)}footer .brand{font-size:14px}footer .mark{width:35px;height:37px;font-size:31px}dialog{border:0;border-radius:12px;padding:45px;max-width:760px;width:calc(100% - 30px);max-height:88vh;color:var(--ink);box-shadow:0 20px 100px #0004}dialog::backdrop{background:#0b1526b0;backdrop-filter:blur(4px)}#close-sheet{position:sticky;float:right;top:0;border:0;border-radius:50%;width:35px;height:35px;background:#edf0f4}dialog h2{font:700 30px/1.2 Manrope,sans-serif;margin:14px 0 20px}dialog h3{font-size:17px;margin:25px 0 8px}dialog p,dialog li{font-size:15px;color:#4b586b}dialog a{text-decoration:underline}dialog .eyebrow{font-size:11px}#search-results{background:white;color:var(--ink);border-radius:6px;padding:18px;margin-bottom:20px}#search-results button{background:#f1f3f6;border:0;padding:10px;text-align:left;border-radius:4px;margin:5px;font-size:14px}#search-results p{color:var(--muted);margin:0;font-size:14px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip{position:fixed;top:-100px;z-index:10;background:white;padding:10px}.skip:focus{top:0}button:hover{filter:brightness(.97)}[hidden]{display:none!important}
@media(min-width:1600px){.hero{padding-inline:calc((100% - 1280px)/2)}header,footer{padding-inline:calc((100% - 1280px)/2)}}@media(max-width:1050px){nav{gap:16px}.hero{grid-template-columns:1.7fr 1fr}.logic-step{width:240px;padding:16px}.path-grid{grid-template-columns:repeat(3,1fr)}.knowledge-grid{gap:35px}.hero h2{font-size:40px}.analysis-section{gap:30px}}@media(max-width:760px){header{height:78px;position:relative}.brand{font-size:15px}.menu{display:block;border:1px solid var(--line);border-radius:4px;background:white;padding:8px 14px}nav{display:none;position:absolute;top:78px;left:0;right:0;background:white;z-index:4;padding:20px;box-shadow:0 10px 20px #0001;align-items:stretch}nav.open{display:flex;flex-direction:column}.hero{display:block;padding-top:40px}.hero h2{font-size:clamp(30px,7vw,45px);letter-spacing:-1px}.hero .eyebrow{font-size:9px;letter-spacing:1px}.hero h1{font-size:14px}.hero p{font-size:15px}.logic-art{display:none}.hero-bottom{margin-top:28px;font-size:10px}.section{padding:42px 5.5%}.section h2{font-size:26px}.section-heading{align-items:start}.section-heading>p,.section-note{display:none}.path-grid{grid-template-columns:1fr 1fr}.path-grid>a{padding:20px 16px}.path-grid>a:last-child{grid-column:1/-1}.path-grid h3{font-size:16px}.debate-grid{grid-template-columns:1fr 1fr}.debate-card{padding:20px;min-height:150px}.debate-card:first-child{grid-column:1/-1;grid-row:auto}.debate-card:first-child h3{max-width:none;font-size:29px}.debate-card h3{font-size:18px}.knowledge-grid,.analysis-section{display:grid;grid-template-columns:1fr;gap:40px}.logic-grid{grid-template-columns:1fr}.logic-card{padding:22px}.analysis-intro h2{font-size:36px}.analysis-intro p{max-width:none}.analysis-tool{padding:20px}.analysis-actions button{padding:11px;font-size:12px}.principle{align-items:start;gap:18px}.principle h2{font-size:21px}.principle-symbol{font-size:45px}footer{flex-wrap:wrap}footer>span{display:none}#search-form button{padding:12px 10px;font-size:11px}#search{font-size:12px}#search-form>span{padding:0 5px}.desktop{display:none}dialog{padding:26px}dialog h2{font-size:25px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Navigation compacte avant que les libellés ne se replient. */
@media(max-width:950px){header{height:78px;position:relative}header .brand{font-size:15px;flex-shrink:0}header .menu{display:block;border:1px solid var(--line);border-radius:4px;background:white;padding:8px 14px}header nav{display:none;position:absolute;top:78px;left:0;right:0;background:white;z-index:4;padding:20px;box-shadow:0 10px 20px #0001;align-items:stretch}header nav.open{display:flex;flex-direction:column}header nav a{white-space:nowrap}}

.algorithm-highlight{display:block;max-width:760px;margin:26px 0 0;padding:18px 20px;background:#233149;border:1px solid #b58a4d;border-radius:7px}.algorithm-highlight>span{display:block;color:var(--gold);font-size:10px;font-weight:700;letter-spacing:1.2px}.algorithm-highlight strong{display:block;font-size:20px;line-height:1.4;margin:8px 0}.algorithm-highlight small{display:block;color:#d6dfeb;font-size:13px}.algorithm-highlight:hover{background:#2c3d58}.path-grid{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:760px){.path-grid{grid-template-columns:1fr 1fr}.path-grid>a:last-child{grid-column:auto}.algorithm-highlight{padding:16px}.algorithm-highlight strong{font-size:18px}}
@media(min-width:951px) and (max-width:1150px){header{gap:14px;padding-inline:3%}header nav{gap:14px;font-size:13px}header .brand{flex-shrink:0}header .nav-tool{padding:10px}}