/* En-tête unique pour l’application, les pages d’information et la lettre pilote. */
.site-header{--navy:#183c65;--red:#ad3540;--ink:#222c38;--muted:#63707c;--line:#dfe5eb;--soft:#f5f7fa;--sans:'Open Sans',system-ui,-apple-system,'Segoe UI',sans-serif;--heading:'Raleway','Open Sans',sans-serif;font:400 15px/1.6 var(--sans);color:var(--ink)}
.site-header *{box-sizing:border-box}
.site-header button,.site-header input{font:inherit}
.site-header button{cursor:pointer}
.site-header a:focus-visible,.site-header button:focus-visible,.site-header input:focus-visible{outline:3px solid #4b7fb1;outline-offset:4px}
.site-header .brand-mark{padding:0;border:0}
.site-header .brand-copy{font:400 15px/1.6 var(--sans)}
.site-header .brand-copy strong{font-weight:700}
.site-header .brand-copy small{font-family:var(--sans);font-weight:400}
.site-header .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:root{scroll-padding-top:72px}
@media(max-width:1023px){:root{scroll-padding-top:115px}}
/* En-tête pleine largeur, puis navigation et recherche compactes sur tablette/mobile. */
.site-header{--header-gutter:clamp(20px,2.5vw,48px);position:relative;z-index:40;background:#fff;border-top:3px solid var(--navy)}
.site-header .masthead{width:100%;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:22px var(--header-gutter)}
.site-header .brand{display:flex;align-items:center;gap:16px;text-decoration:none;min-width:0;color:var(--navy)}
.site-header .brand-mark{position:relative;font-family:var(--heading);font-size:49px;line-height:1;letter-spacing:-8px;width:72px;flex-shrink:0;font-weight:700}
.site-header .brand-mark span{color:var(--red);font-size:40px}
.site-header .brand-copy{border-left:1px solid var(--line);padding-left:19px;min-width:0}
.site-header .brand-copy strong{display:block;font-family:var(--heading);font-size:19px;line-height:1.35;max-width:470px}
.site-header .brand-copy small{display:block;color:var(--muted);font-size:12px;margin-top:5px}
.site-header .brand-title-mobile{display:none}
.site-header .header-actions{display:none}
.site-header .header-search-panel{width:clamp(230px,26vw,350px);flex-shrink:0}
.site-header .global-search{display:flex;align-items:center;border:1px solid #cdd5df;border-radius:5px;width:100%;background:var(--soft)}
.site-header .global-search input{width:100%;min-width:0;border:0;background:transparent;padding:12px 13px;font-size:14px;color:var(--ink);border-radius:5px}
.site-header .global-search button{border:0;background:transparent;color:var(--navy);width:46px;min-height:46px;flex-shrink:0;display:grid;place-content:center}
.site-header .global-search:focus-within{border-color:var(--navy);box-shadow:0 0 0 2px #183c6514}
.site-header .main-nav{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.site-header .nav-links{display:flex;justify-content:space-between;gap:24px;width:100%;padding-inline:var(--header-gutter)}
.site-header .nav-links a{display:flex;align-items:center;text-decoration:none;white-space:nowrap;padding:15px 0 12px;border-bottom:3px solid transparent;font-size:14px;font-weight:600;min-height:50px}
.site-header .nav-links a[aria-current=page]{border-bottom-color:var(--navy);color:var(--navy)}
.site-header .nav-links a:hover{color:var(--red)}
.site-header .search-toggle,.site-header .menu-toggle{display:flex;align-items:center;justify-content:center;gap:10px;min-height:46px;border:1px solid var(--line);border-radius:5px;background:white;color:var(--navy);font-size:12px;font-weight:600}
.site-header .search-toggle{width:46px}
.site-header .menu-toggle{padding:10px 13px}
.site-header .menu-toggle[aria-expanded=true]{background:var(--navy);color:white;border-color:var(--navy)}
.site-header .search-toggle[aria-expanded=true]{background:var(--soft);border-color:var(--navy)}
.site-header .burger-icon{position:relative;display:block;width:21px;height:18px;flex-shrink:0}
.site-header .burger-icon i{position:absolute;left:0;display:block;width:21px;height:2px;background:currentColor;transition:transform .2s,opacity .15s;transform-origin:center}
.site-header .burger-icon i:nth-child(1){top:1px}
.site-header .burger-icon i:nth-child(2){top:8px}
.site-header .burger-icon i:nth-child(3){top:15px}
.site-header .menu-toggle[aria-expanded=true] .burger-icon i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header .menu-toggle[aria-expanded=true] .burger-icon i:nth-child(2){opacity:0}
.site-header .menu-toggle[aria-expanded=true] .burger-icon i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:1023px){
.site-header{--header-gutter:24px;position:sticky;top:0;box-shadow:0 2px 12px #183c650b}
.site-header .masthead{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0 18px;padding:15px var(--header-gutter)}
.site-header .brand-mark{font-size:43px;width:62px}
.site-header .brand-mark span{font-size:35px}
.site-header .brand-copy{padding-left:15px}
.site-header .brand-copy strong{font-size:16px;max-width:420px}
.site-header .brand-copy small{font-size:11px}
.site-header .header-actions{display:flex;gap:9px;align-items:center}
.site-header .header-search-panel{grid-column:1/-1;width:min(100%,600px);justify-self:end;max-height:0;overflow:hidden;visibility:hidden;opacity:0;transition:max-height .2s,opacity .2s,padding .2s}
.site-header .header-search-panel.open{max-height:80px;visibility:visible;opacity:1;padding-top:14px}
.site-header .global-search input{font-size:16px;padding:11px 12px}
.site-header .main-nav{display:grid;grid-template-rows:0fr;visibility:hidden;opacity:0;border:0;transition:grid-template-rows .2s,opacity .2s,visibility .2s}
.site-header .main-nav.open{grid-template-rows:1fr;visibility:visible;opacity:1;border-top:1px solid var(--line)}
.site-header .nav-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;min-height:0;overflow:hidden;padding:0 var(--header-gutter);transition:padding .2s;max-height:calc(100svh - 110px)}
.site-header .main-nav.open .nav-links{padding-block:8px 14px;overflow-y:auto;overscroll-behavior:contain}
.site-header .nav-links a{padding:13px 12px;font-size:14px;min-height:48px;border:0;border-radius:4px;white-space:normal;justify-content:space-between;gap:10px}
.site-header .nav-links a::after{content:'→';font-weight:400;color:var(--muted)}
.site-header .nav-links a[aria-current=page]{background:#edf3f8;box-shadow:inset 3px 0 0 var(--navy)}
.site-header .nav-links a:hover{background:var(--soft)}
}
@media(max-width:600px){
.site-header{--header-gutter:16px}
.site-header .masthead{padding-block:12px;gap:0 12px}
.site-header .brand{gap:9px}
.site-header .brand-mark{font-size:36px;width:48px;letter-spacing:-6px}
.site-header .brand-mark span{font-size:30px}
.site-header .brand-copy{border:0;padding:0}
.site-header .brand-copy strong{font-size:16px;line-height:1.3;max-width:210px}
.site-header .brand-title-full{display:none}
.site-header .brand-title-mobile{display:inline}
.site-header .brand-copy small{font-size:10px;margin-top:4px}
.site-header .header-actions{gap:7px}
.site-header .menu-toggle{width:44px;min-height:44px;padding:0}
.site-header .menu-toggle-label{display:none}
.site-header .search-toggle{width:44px;min-height:44px}
.site-header .header-search-panel{justify-self:stretch;width:100%}
.site-header .nav-links{grid-template-columns:1fr;gap:2px;max-height:calc(100svh - 90px)}
.site-header .nav-links a{font-size:15px;min-height:46px;padding:11px 13px}
.site-header .main-nav.open .nav-links{padding-block:8px 12px}
}
@media(max-width:360px){
.site-header .masthead{gap:0 8px}
.site-header .brand{gap:7px}
.site-header .brand-mark{width:39px;font-size:31px;letter-spacing:-5px}
.site-header .brand-mark span{font-size:26px}
.site-header .brand-copy strong{font-size:14px}
.site-header .brand-copy small{font-size:9px}
.site-header .header-actions{gap:5px}}
@media(prefers-reduced-motion:reduce){
.site-header .burger-icon i,.site-header .header-search-panel,.site-header .main-nav,.site-header .nav-links{transition:none}}

/* Repère de validation globale, discret et indépendant des dates de collecte. */
.site-header .masthead{column-gap:20px}
.site-header .site-update{flex-shrink:0;margin-left:auto;padding:6px 11px;border:1px solid #e5eaf0;border-radius:5px;background:#fafbfd;line-height:1.5}
.site-header .site-update>span:first-child{display:block;font-size:10px;color:var(--muted)}
.site-header .site-update-value{display:block;font-size:12px;font-weight:600;color:var(--navy);white-space:nowrap;font-variant-numeric:tabular-nums}
@media(max-width:1023px){
.site-header .site-update{grid-column:1;grid-row:2;justify-self:start;margin:7px 0 0;padding:3px 7px;display:flex;align-items:baseline;gap:7px}
.site-header .site-update>span:first-child{font-size:9px}
.site-header .site-update-value{font-size:10px}
.site-header .header-actions{grid-column:2;grid-row:1}
.site-header .header-search-panel{grid-row:3}}



/* Navigation classique, centrée, restant visible au défilement. */
@media(min-width:1024px){
.site-header{position:sticky;top:calc(-1 * var(--masthead-height,100px));box-shadow:0 2px 8px #183c6508}
.site-header .main-nav{padding:0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.site-header .nav-links{display:flex;align-items:stretch;justify-content:center;width:min(1160px,calc(100% - 72px));margin-inline:auto;padding:0;gap:clamp(20px,2.8vw,42px);border:0;border-radius:0;background:#fff}
.site-header .nav-links a{display:flex;align-items:center;justify-content:center;flex:0 0 auto;min-height:55px;padding:15px 8px 12px;border:0;border-bottom:3px solid transparent;border-radius:0;box-shadow:none;background:none;color:var(--navy);font-size:14px;font-weight:600;line-height:1.5;text-decoration:none;white-space:nowrap}
.site-header .nav-links a:hover{color:var(--red);border-bottom-color:#d7b7ba}
.site-header .nav-links a[aria-current=page]{color:var(--navy);border-bottom-color:var(--navy);background:none;box-shadow:none}
.site-header .nav-links a:focus-visible{outline-offset:-3px}
}
@media(min-width:1024px) and (max-width:1050px){
.site-header .nav-links{width:calc(100% - 48px)}}

/* Repère éditorial dans le menu classique. */
.site-header .nav-links a[data-nav=bulletin]{color:var(--red);font-weight:700}
.site-header .nav-links a[data-nav=bulletin]:hover{color:#872630}
.site-header .nav-links a[data-nav=bulletin][aria-current=page]{color:var(--red);border-bottom-color:var(--red)}
@media(max-width:1023px){
.site-header .nav-links a[data-nav=bulletin][aria-current=page]{background:#fbf0f1;box-shadow:inset 3px 0 0 var(--red)}}

@media print{.site-header{display:none}}