/* ============================================================
   FO DALKIA — Mini-site région
   ============================================================ */
:root {
    --accent:      #c0392b;
    --accent-dark: #962d22;
    --bg:          #f5f5f7;
    --bg-card:     #fff;
    --text:        #1c1c1e;
    --text-muted:  #6e6e73;
    --border:      #e0e0e5;
    --shadow:      0 1px 8px rgba(0,0,0,.07);
    --radius:      10px;
    --font-body:   'Source Sans 3', system-ui, sans-serif;
    --font-display:'Raleway', sans-serif;
    --header-h:    62px;
}
[data-theme="dark"] {
    --bg: #1c1c1e; --bg-card: #2c2c2e; --text: #f2f2f7;
    --text-muted: #aeaeb2; --border: #3a3a3c;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;height:100%}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column;transition:background .25s,color .25s}
a{color:var(--accent);text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:100%;max-width:1100px;margin:0 auto;padding:0 1.5rem}
.mt-2{margin-top:.5rem}

/* ---- Header ---- */
.site-header{position:sticky;top:0;z-index:100;height:var(--header-h);background:rgba(17,17,19,.97);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.07);box-shadow:0 4px 20px rgba(0,0,0,.3)}
.navbar{display:flex;align-items:center;height:var(--header-h);gap:1rem}
.navbar-brand{display:flex;align-items:center;gap:.6rem;flex-shrink:0;text-decoration:none}
.brand-logo{width:34px;height:34px;border-radius:8px;background:var(--accent);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:900;font-size:.82rem;color:#fff;flex-shrink:0}
.brand-text{display:flex;flex-direction:column}
.brand-name{font-family:var(--font-display);font-size:.85rem;font-weight:800;color:#fff;line-height:1.15}
.brand-sub{font-size:.58rem;color:rgba(255,255,255,.4);text-transform:uppercase;letter-spacing:.07em}
.nav-menu{display:flex;align-items:center;gap:.1rem;list-style:none;flex:1;justify-content:center}
.nav-menu a{display:flex;align-items:center;gap:.3rem;padding:.38rem .65rem;border-radius:7px;font-size:.8rem;font-weight:500;color:rgba(255,255,255,.55);text-decoration:none;transition:all .18s;white-space:nowrap}
.nav-menu a:hover{background:rgba(255,255,255,.08);color:#fff;opacity:1}
.nav-menu a.active{background:rgba(192,57,43,.15);color:#ff8a7a}
.btn-back{background:rgba(255,255,255,.06)!important;border:1px solid rgba(255,255,255,.1)!important;border-radius:100px!important;color:rgba(255,255,255,.45)!important;font-size:.75rem!important;padding:.3rem .8rem!important}
.btn-back:hover{color:rgba(255,255,255,.8)!important;opacity:1}
.nav-actions{display:flex;align-items:center;gap:.35rem;flex-shrink:0}
.btn-theme{width:32px;height:32px;border-radius:7px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.55);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .18s}
.btn-theme:hover{background:rgba(255,255,255,.13);color:#fff}
.btn-burger{display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.7);cursor:pointer;padding:0;transition:background .18s}
.btn-burger span{display:block;width:17px;height:2px;background:currentColor;border-radius:2px;transition:all .25s}
.btn-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.btn-burger.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.btn-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---- Mobile menu ---- */
.mobile-menu-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:199;opacity:0;pointer-events:none;transition:opacity .3s}
.mobile-menu-overlay.open{display:block;opacity:1;pointer-events:auto}
.mobile-menu{display:none;position:fixed;top:0;right:0;bottom:0;width:min(300px,86vw);background:#111113;z-index:200;flex-direction:column;overflow:hidden;box-shadow:-6px 0 32px rgba(0,0,0,.5);transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1)}
.mobile-menu.open{display:flex;transform:translateX(0)}
.mobile-menu-inner{flex:1;overflow-y:auto;padding:calc(var(--header-h) + .5rem) 0 1rem}
.mobile-menu-section-label{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:rgba(255,255,255,.3);padding:.75rem 1.25rem .4rem}
.mobile-menu-item{display:flex;align-items:center;gap:.85rem;padding:.8rem 1.25rem;color:rgba(255,255,255,.8);text-decoration:none;font-size:.92rem;font-weight:500;transition:background .15s;position:relative}
.mobile-menu-item:hover,.mobile-menu-item:active{background:rgba(255,255,255,.06);opacity:1}
.mobile-menu-item.active-page{color:#fff;background:rgba(255,255,255,.07)}
.mobile-menu-item.active-page::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--accent);border-radius:0 2px 2px 0}
.mobile-menu-icon{width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;font-size:.95rem;flex-shrink:0}
.mobile-menu-chevron{margin-left:auto;font-size:.7rem;color:rgba(255,255,255,.2);flex-shrink:0}
.mobile-menu-footer{padding:.75rem 1.25rem 1.25rem;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;gap:.5rem;margin-top:.5rem}
.mobile-menu-btn{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1rem;border-radius:11px;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .18s}
.mobile-menu-btn-ghost{background:rgba(255,255,255,.07);color:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.1)}
.mobile-menu-btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;opacity:1}

/* ---- Page header ---- */
.page-header{background:linear-gradient(135deg,#111113,#1c1c1e);padding:2rem 0;color:#fff;border-bottom:1px solid rgba(255,255,255,.06)}
.page-header h1{font-family:var(--font-display);font-size:1.6rem;color:#fff;margin-bottom:.3rem;font-weight:800}
.page-header p{color:rgba(255,255,255,.45);font-size:.88rem}

/* ---- Liste documents ---- */
.docs-list{display:flex;flex-direction:column;gap:.5rem}
.doc-row{display:flex;align-items:center;gap:.9rem;padding:1rem 1.25rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);transition:box-shadow .2s}
.doc-row:hover{box-shadow:var(--shadow)}
.doc-row-icon{width:40px;height:40px;background:rgba(192,57,43,.08);color:var(--accent);border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.doc-row-info{flex:1;min-width:0}
.doc-row-title{font-weight:600;font-size:.9rem;margin-bottom:.15rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.doc-row-desc{font-size:.78rem;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:.15rem}
.doc-row-date{font-size:.72rem;color:var(--text-muted);display:flex;align-items:center;gap:.3rem}
.doc-row-actions{display:flex;gap:.4rem;align-items:center;flex-shrink:0}
.btn-read{display:flex;align-items:center;gap:.3rem;padding:.4rem .9rem;background:var(--accent);color:#fff;border:none;border-radius:7px;font-size:.78rem;font-weight:600;cursor:pointer;transition:background .18s;white-space:nowrap}
.btn-read:hover{background:var(--accent-dark)}
.btn-dl{width:34px;height:34px;display:flex;align-items:center;justify-content:center;background:var(--bg);border:1px solid var(--border);border-radius:7px;color:var(--text-muted);transition:all .18s;text-decoration:none;font-size:.88rem;flex-shrink:0}
.btn-dl:hover{background:var(--border);color:var(--text);opacity:1}

/* ---- Vide ---- */
.docs-empty{text-align:center;padding:4rem 1rem;color:var(--text-muted)}
.docs-empty i{font-size:3rem;opacity:.3;display:block;margin-bottom:1rem}
.docs-empty p{font-size:.92rem}

/* ---- Équipe ---- */
.equipe-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.25rem}
.elu-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.75rem 1rem 1.4rem;text-align:center;transition:box-shadow .2s}
.elu-card:hover{box-shadow:var(--shadow)}
.elu-avatar{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#2c2c2e,#3a3a3c);margin:0 auto .9rem;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:1.2rem;font-weight:800;color:#fff;overflow:hidden;border:2px solid var(--border)}
.elu-avatar img{width:100%;height:100%;object-fit:cover}
.elu-name{font-weight:700;font-size:.92rem;margin-bottom:.3rem}
.elu-role{font-size:.75rem;color:var(--text-muted);display:flex;align-items:center;gap:.3rem;justify-content:center;margin-bottom:.5rem}
.elu-email{font-size:.72rem;color:var(--accent);display:flex;align-items:center;gap:.25rem;justify-content:center;text-decoration:none}
.elu-email:hover{opacity:.75}

/* ---- Alert ---- */
.alert{display:flex;align-items:flex-start;gap:.7rem;padding:.85rem 1rem;border-radius:8px;font-size:.86rem;border:1px solid transparent;margin-bottom:.75rem}
.alert-success{background:rgba(39,174,96,.08);color:#166534;border-color:rgba(39,174,96,.2)}
.alert-error{background:rgba(192,57,43,.08);color:#991b1b;border-color:rgba(192,57,43,.2)}
.fade-in{animation:fadeIn .35s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* ---- Footer ---- */
.site-footer{background:#111113;color:rgba(255,255,255,.5);padding:1.5rem 0;margin-top:auto;font-size:.84rem}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}

/* ---- PDF Viewer ---- */
.pdf-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.65);z-index:2000;align-items:flex-end;justify-content:center;backdrop-filter:blur(6px)}
.pdf-overlay.open{display:flex;animation:fadeIn .2s ease}
.pdf-sheet{background:var(--bg-card);border-radius:18px 18px 0 0;width:100%;max-width:960px;height:92dvh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 -8px 40px rgba(0,0,0,.35);animation:slideUp .28s cubic-bezier(.4,0,.2,1)}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.pdf-sheet-handle{width:36px;height:4px;background:var(--border);border-radius:2px;margin:.5rem auto .2rem;flex-shrink:0}
.pdf-sheet-header{display:flex;align-items:center;justify-content:space-between;padding:.65rem 1rem;border-bottom:1px solid var(--border);gap:.75rem;flex-shrink:0}
.pdf-sheet-title{font-weight:700;font-size:.88rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.pdf-close{width:32px;height:32px;background:var(--bg);border:1px solid var(--border);border-radius:7px;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.88rem;transition:all .18s}
.pdf-close:hover{background:#e74c3c;color:#fff;border-color:#e74c3c}
.pdf-sheet-body{flex:1;position:relative;background:#525659;overflow:hidden}
.pdf-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;color:rgba(255,255,255,.7);font-size:.84rem;z-index:1}
.pdf-spinner{width:28px;height:28px;border:3px solid rgba(255,255,255,.2);border-top-color:rgba(255,255,255,.8);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
#pdf-iframe{position:absolute;inset:0;width:100%;height:100%;border:none;opacity:0;transition:opacity .3s}
#pdf-iframe.loaded{opacity:1}

/* ---- Responsive mobile ---- */
@media(max-width:768px){
    :root{--header-h:54px}
    .nav-menu{display:none}
    .btn-burger{display:flex}
    .brand-sub{display:none}
    .doc-row{padding:.75rem 1rem;gap:.65rem}
    .doc-row-title{white-space:normal;line-height:1.3}
    .doc-row-desc{display:none}
    .doc-row-icon{width:34px;height:34px;font-size:1rem}
    .btn-read{padding:.35rem .7rem;font-size:.73rem}
    .btn-dl{width:30px;height:30px;font-size:.8rem}
    .equipe-grid{grid-template-columns:repeat(2,1fr);gap:.75rem}
    .footer-bottom{flex-direction:column;text-align:center}
    .pdf-sheet{max-width:100%;border-radius:16px 16px 0 0}
}

/* ---- Filtres ---- */
.filters-bar{background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:var(--header-h);z-index:40}
.filters-scroll{display:flex;gap:.4rem;padding:.55rem 0;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.filters-scroll::-webkit-scrollbar{display:none}
.filter-pill{display:inline-flex;align-items:center;gap:.3rem;padding:.4rem .85rem;border-radius:100px;font-size:.75rem;font-weight:600;border:1.5px solid var(--border);background:var(--bg);color:var(--text-muted);cursor:pointer;white-space:nowrap;transition:all .18s;flex-shrink:0}
.filter-pill:hover{color:var(--text);border-color:var(--text-muted)}
.filter-pill.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.filter-pill[data-filter]:not([data-filter="all"]).active{background:rgba(0,0,0,.08);color:var(--fc,var(--accent));border-color:var(--fc,var(--accent))}
[data-theme="dark"] .filter-pill[data-filter]:not([data-filter="all"]).active{background:rgba(255,255,255,.08)}
.filter-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
.filter-count{font-size:.65rem;opacity:.65;font-weight:700}

/* ---- Groupes chapitres ---- */
.docs-container{padding-top:1.5rem;padding-bottom:3rem;max-width:820px;display:flex;flex-direction:column;gap:1.25rem}
.docs-group{}
.docs-group-header{display:flex;align-items:center;gap:.65rem;padding:.65rem .9rem;border-radius:var(--radius) var(--radius) 0 0;background:var(--bg-card);border:1px solid var(--border);border-bottom:none}
.docs-group-icon{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.85rem;flex-shrink:0}
.docs-group-name{font-size:.82rem;font-weight:700;color:var(--text);flex:1}
.docs-group-count{font-size:.65rem;font-weight:700;color:var(--text-muted);background:var(--border);padding:.1rem .38rem;border-radius:100px}
.docs-list{background:var(--bg-card);border:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius);overflow:hidden}
.docs-group-header + .docs-list{border-top:none}