/* Présentation native : aucun Bootstrap, ancien --ins-* ou endpoint métier. */
*{box-sizing:border-box}html{scroll-padding-top:100px}body{margin:0;font-family:var(--orb-font);font-size:16px;line-height:1.65;letter-spacing:-.011em;color:var(--orb-text);background:var(--orb-page);min-height:100svh}a{color:inherit;text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}img,video{max-width:100%;height:auto}[hidden]{display:none!important}h1,h2,h3{color:var(--orb-ink);font-weight:var(--orb-weight-title);line-height:1.14;letter-spacing:-.025em}h1{font-size:clamp(2.2rem,5vw,4rem);overflow-wrap:anywhere}h2{font-size:1.5rem}p{max-width:72ch}.eyebrow,.article-kicker{color:var(--orb-muted);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase}.skip,.skip-link{position:fixed;z-index:100;top:12px;left:12px;transform:translateY(-180%);background:var(--orb-surface);padding:12px 20px}.skip:focus,.skip-link:focus{transform:none}:focus-visible{outline:3px solid var(--orb-focus);outline-offset:4px}.visually-hidden,.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.site-header{position:sticky;top:0;z-index:20;background:var(--orb-page);border-bottom:1px dashed var(--orb-line)}.site-header-inner{max-width:1180px;min-height:80px;padding:12px var(--orb-gutter);margin:auto;display:flex;align-items:center;gap:32px}.site-brand{display:flex;align-items:center;min-width:0}.site-brand img{display:block;width:180px;height:auto}.site-logo-dark{display:none!important}html[data-mode=dark] .site-logo-dark{display:block!important}html[data-mode=dark] .site-logo-light{display:none!important}@media(prefers-color-scheme:dark){html:not([data-mode=light]) .site-logo-dark{display:block!important}html:not([data-mode=light]) .site-logo-light{display:none!important}}.site-nav,.site-tools,.site-languages{display:flex;align-items:center;gap:24px}.site-nav a,.site-tools a{text-decoration:none;font-size:.875rem}.site-nav a[aria-current],.member-nav a[aria-current]{color:var(--orb-ink);font-weight:650}.site-tools{margin-left:auto;gap:16px}.site-languages{gap:12px;font-size:.75rem}.site-languages a[aria-current]{text-decoration:underline}.mode-toggle{padding:6px 10px;background:none;border:0;color:var(--orb-ink);min-width:44px;min-height:44px;font-size:20px}.site-theme .button,.site-theme button[type=submit],.site-theme input[type=submit]{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:44px;padding:10px 20px;border:1px solid var(--orb-action);border-radius:var(--orb-radius);background:var(--orb-action);color:var(--orb-on-action);font-weight:550;text-decoration:none;line-height:1.4}.site-theme .button:hover,.site-theme button[type=submit]:hover{filter:brightness(.86)}.button.secondary{background:transparent;color:var(--orb-ink);border-color:var(--orb-control-border)}.site-main{width:100%;max-width:1180px;margin:0 auto;padding:clamp(36px,6vw,80px) var(--orb-gutter);min-height:68vh}.site-theme.public{background-image:radial-gradient(var(--orb-line) .7px,transparent 1px);background-size:16px 16px}.hero-video{position:relative;aspect-ratio:16/9;background:#08090a;overflow:hidden;margin:0 0 24px}.hero-video img{width:100%;height:100%;object-fit:cover}.hero-video button{position:absolute;bottom:24px;left:24px;width:56px;height:56px;border:1px solid #fff8;border-radius:50%;color:white;background:#08090a99;font-size:24px}.hero-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.hero-note{font-size:.75rem;color:var(--orb-muted)}.hero-panel{padding:clamp(28px,6vw,72px);background:#08090a;color:#d0d6e0;margin:24px 0 72px}.hero-panel h1{max-width:17ch;margin:0 0 24px;color:#f7f8f8}.hero-panel .eyebrow{color:#8a8f98}.hero-panel p{max-width:58ch}.hero-panel .button{border-color:#f7f8f8;background:#f7f8f8;color:#08090a}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin:0 0 20px}.publication-grid,.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:24px}.publication-card,.card{min-width:0;background:var(--orb-surface);border:1px solid var(--orb-line);border-radius:var(--orb-radius);padding:28px}.publication-card h2,.card h2{margin-top:0}.publication-card h2 a{text-decoration:none}.publication-card p,.card p{font-size:.95rem}.site-footer{padding:24px var(--orb-gutter);border-top:1px dashed var(--orb-control-border);background:var(--orb-page);font-size:.8rem;color:var(--orb-muted)}.site-footer-inner{max-width:1116px;margin:auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}.member-shell{display:grid;grid-template-columns:220px minmax(0,1fr);max-width:1180px;margin:auto;min-height:75vh;padding:40px var(--orb-gutter);gap:48px}.member-nav{display:flex;flex-direction:column;gap:4px}.member-nav a{display:block;padding:10px 12px;text-decoration:none;color:var(--orb-muted);border-radius:var(--orb-radius);font-size:.875rem}.member-nav a:hover,.member-nav a[aria-current]{background:var(--orb-soft)}.member-main{min-width:0;max-width:900px}.member-main h1{font-size:clamp(2rem,4vw,3rem);margin-top:0}.auth-main{max-width:520px;margin:40px auto;padding:32px var(--orb-gutter);min-height:65vh}.auth-main h1{font-size:2.5rem}input,textarea,select{border:1px solid var(--orb-control-border);border-radius:var(--orb-radius);background:var(--orb-surface);color:var(--orb-ink);padding:10px;max-width:100%}input:not([type=checkbox]):not([type=radio]),textarea{display:block;width:100%;margin:8px 0}textarea{min-height:150px}form p{margin:20px 0}label{font-weight:550}fieldset{border:1px solid var(--orb-line);padding:20px;margin:20px 0}legend{padding:0 8px}.helptext{font-size:.8rem;color:var(--orb-muted)}.errorlist{color:var(--orb-danger);font-size:.875rem}.message{border-left:2px solid var(--orb-info);padding:14px 20px;background:var(--orb-soft);margin:0 0 24px}table{border-collapse:collapse;width:100%;font-size:.875rem}td,th{padding:12px;text-align:left;border-bottom:1px solid var(--orb-line);overflow-wrap:anywhere}code{overflow-wrap:anywhere}.article-content p,.article-content li{max-width:70ch}.article-content blockquote{border-left:2px solid var(--orb-control-border);padding-left:24px}.article-content img{height:auto}.article-content a{overflow-wrap:anywhere}html:not([data-js]) .article-audio-player{display:none}
@media(max-width:800px){.site-header-inner{flex-wrap:wrap;gap:12px;padding:12px 16px}.site-brand img{width:140px}.site-nav{order:3;width:100%;gap:24px}.site-tools{gap:4px}.site-languages{gap:8px}.site-tools .button{padding:8px 12px}.member-shell{display:block;padding-top:20px}.member-nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:16px;margin-bottom:24px}.member-nav a{white-space:nowrap}.hero-panel{margin-bottom:40px}.publication-card,.card{padding:20px}.section-heading{align-items:flex-start}.member-main{overflow-x:auto}.auth-main{margin:20px auto}.site-main{padding-top:32px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

.site-tools form{display:flex;align-items:center;gap:8px;margin:0}.site-tools form button[type=submit]{padding:8px 12px}
@media(max-width:480px){.site-header-inner{gap:8px}.site-brand img{width:108px}.site-tools .button{font-size:.75rem;padding:8px 10px}.site-tools .mode-toggle{min-width:36px;padding:6px}.site-languages{gap:6px}.site-tools .site-languages a{font-size:.75rem}}