:root{--bg:#f8f6f1;--ink:#222c30;--accent:#ae410e;--soft:#efe8dc;--line:#d6d7ce;--paper:#fff;--font:Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--font)}a{color:inherit;text-underline-offset:4px}button,input,textarea,select{font:inherit}button,a,input,select,textarea{outline-offset:5px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,5.8vw,82px);line-height:1.06;letter-spacing:-.055em;font-weight:600;max-width:840px}h2{font-size:clamp(30px,3.5vw,48px);line-height:1.15;letter-spacing:-.035em}h3{font-size:23px;line-height:1.3;letter-spacing:-.02em}.chooser{padding:13px 4%;background:#202a30;color:white;display:flex;align-items:center;gap:22px;font-size:12px}.chooser div{margin-right:auto}.chooser span{display:block;color:#d4dce0}.chooser select{font-size:12px;max-width:225px;margin-left:6px;padding:5px}.chooser a{white-space:nowrap}header{padding:28px 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.hero-image{max-width:520px}body[data-design=nature] .hero-image img{border-radius:26px;height:390px;object-position:center}body[data-design=nature] .hero{grid-template-columns:1fr 1.2fr}body[data-design=nature] h1{font-size:clamp(40px,5vw,72px)}.profile-discreet{display:flex;align-items:center;gap:18px;margin-bottom:24px}.profile-discreet img{width:64px;height:64px;object-fit:cover;border-radius:50%}.profile-discreet h3{margin:0}.profile-discreet p{margin:3px 0;font-size:13px}.path-note{padding:26px 30px;margin:28px 0;background:var(--soft);border-left:3px solid var(--accent)}.path-note p{margin:8px 0 14px}@media(max-width:850px){body[data-design=nature] .hero{grid-template-columns:1fr}body[data-design=nature] .hero-image img{height:280px}.hero-image{margin-top:10px}.caption{position:static;margin-top:12px;box-shadow:none;padding:15px 20px}.hero-image img{height:280px}}
.research{background:var(--paper)}.reference-row{display:grid;grid-template-columns:190px 1fr;gap:30px;padding:27px 0;border-top:1px solid var(--line)}.reference-row>div:first-child{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.reference-year{font-size:27px;font-family:Georgia,serif;color:var(--accent)}.reference-row h3{font-family:var(--font);font-size:20px;font-weight:600;line-height:1.45;margin:0 0 8px}.reference-row p{margin:6px 0;font-size:14px}.reference-row a{text-decoration:none}.reference-row a:hover{text-decoration:underline}.older-references{border-top:1px solid var(--line);padding:20px 0}.older-references summary{font-size:14px;font-weight:600;margin-bottom:20px}@media(max-width:650px){.reference-row{grid-template-columns:1fr;gap:10px}.reference-row>div:first-child{flex-direction:row;align-items:center;gap:20px}.reference-row h3{font-size:18px}}
.module-choices{margin:0 0 18px;width:100%}.module-choices .module-button{display:inline-block;margin:4px 4px 0 0;padding:6px 10px;background:var(--soft);color:var(--ink);border:1px solid var(--line);border-radius:18px;font-size:12px;font-weight:400;line-height:1.4;cursor:pointer}.module-choices .module-button:hover{border-color:var(--accent)}.reference-row>div:first-child .micro{font-size:11px}body[data-design=nature] .hero-image img{object-fit:cover;object-position:center;height:390px}.hero-image::after{content:'Visuel illustratif généré';display:block;font-size:10px;opacity:.65;margin-top:8px}@media(max-width:850px){body[data-design=nature] .hero-image img{height:280px}}
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/* Harmoniser le logo du design Horizon avec son vert profond. */
body[data-design=nature] .brand img{filter:brightness(0) saturate(100%) invert(18%) sepia(17%) saturate(1053%) hue-rotate(103deg) brightness(91%) contrast(87%)}
@media(max-width:850px){.brand{width:138px}}