/* OMEII / OMEII — feuille de style partagée
   Palette dérivée du logo (navy + or) + nuances de bleu complémentaires,
   conforme aux conventions des sites institutionnels financiers (navy = autorité,
   bleu clair = accessibilité, or = accent réservé aux CTA/valeur). */

:root{
  --navy:#0B2B50;
  --navy-deep:#071B33;
  --royal:#1F4E8C;
  --sky:#4C7FB8;
  --sky-tint:#E8EEF6;
  --sky-tint-2:#F2F5FA;
  --slate:#54637A;
  --gold:#C9A24A;
  --gold-tint:#F6EED9;
  --paper:#F6F7FA;
  --paper-alt:#FFFFFF;
  --ink:#14202E;
  --ink-soft:#4A5568;
  --border:#DCE3ED;
  --border-strong:#BFCADA;
  --radius:10px;
  --font-display:'Fraunces', Georgia, serif;
  --font-body:'IBM Plex Sans', 'IBM Plex Sans Arabic', -apple-system, sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
  --wrap:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.15;margin:0 0 .5em;color:var(--navy)}
h1{font-size:clamp(2.1rem,4vw,3.2rem)}
h2{font-size:clamp(1.5rem,2.6vw,2rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.eyebrow{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--royal)}
.lede{font-size:1.15rem;color:var(--ink-soft);max-width:56ch}

a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--royal);outline-offset:2px}

/* ===== Header ===== */
.site-header{border-bottom:1px solid var(--border);background:var(--paper-alt);position:sticky;top:0;z-index:20}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 28px}
.wordmark{display:flex;flex-direction:column;text-decoration:none;color:var(--navy);line-height:1.1}
.wordmark strong{font-family:var(--font-display);font-size:1.05rem;font-weight:600;letter-spacing:.01em;line-height:1.3;display:inline-block;max-width:320px}
.wordmark-sub{font-size:.66rem;color:var(--ink-soft);max-width:240px;margin-top:2px}
.main-nav{display:flex;gap:22px;flex-wrap:wrap}
.main-nav a{text-decoration:none;font-size:.95rem;color:var(--ink);padding-bottom:3px;border-bottom:1px solid transparent}
.main-nav a:hover,.main-nav a[aria-current="page"]{border-bottom-color:var(--gold);color:var(--navy)}
.header-right{display:flex;align-items:center;gap:16px}
.lang-switch{display:flex;border:1px solid var(--border-strong);border-radius:999px;overflow:hidden}
.lang-tab{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.05em;border:none;background:transparent;padding:6px 11px;cursor:pointer;color:var(--ink-soft)}
.lang-tab.is-active{background:var(--navy);color:#fff}
.lang-tab:disabled{cursor:default;opacity:.45}
.site-logo{display:flex;align-items:center;margin-left:4px}
.site-logo img{height:64px;width:auto}
.back-home{display:inline-flex;align-items:center;gap:6px;font-size:.86rem;color:var(--royal);text-decoration:none;padding:18px 0 0}
.back-home:hover{color:var(--navy);text-decoration:underline}

/* ===== Ticker ===== */
.ticker{border-top:1px solid var(--border-strong);border-bottom:1px solid var(--border-strong);background:var(--navy-deep);color:var(--paper-alt)}
.ticker-inner{display:flex;gap:0;overflow-x:auto}
.ticker-item{flex:1 1 0;min-width:180px;padding:14px 24px;border-right:1px dashed rgba(246,247,250,.22);display:flex;flex-direction:column;gap:2px}
.ticker-item:last-child{border-right:none}
.ticker-label{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--gold)}
.ticker-value{font-family:var(--font-mono);font-size:1.15rem}
.ticker-note{font-size:.68rem;color:rgba(246,247,250,.62)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-body);font-size:.92rem;font-weight:500;padding:11px 22px;border-radius:999px;text-decoration:none;border:1px solid var(--navy);cursor:pointer}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-deep)}
.btn-gold{background:var(--gold);border-color:var(--gold);color:#3A2E12}
.btn-gold:hover{background:#B8913C}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--border-strong)}
.btn-ghost:hover{border-color:var(--royal);color:var(--royal)}

/* ===== Sections ===== */
section{padding:64px 0}
.section-alt{background:var(--sky-tint)}
.section-head{max-width:640px;margin-bottom:36px}

/* ===== Hero ===== */
.hero{padding:56px 0 0}
.hero-logo{height:110px;width:auto;margin-bottom:24px}
.hero-top-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-bottom:14px}
.hero-actions-top{display:flex;gap:12px;flex-wrap:wrap}
.hero-title{font-size:clamp(1.5rem,2.4vw,2.15rem)}
.hero-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:48px;align-items:start}
.hero-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.hero-aside{background:var(--sky-tint-2);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.hero-aside h3{margin-bottom:12px}
.hero-aside ul{margin:0;padding-left:18px;color:var(--ink-soft);font-size:.92rem}
.hero-aside li{margin-bottom:8px}

/* ===== Cards (fiches) ===== */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}

/* ===== Axis quick-buttons (hero) ===== */
.axis-buttons{display:flex;gap:16px;flex-wrap:wrap}
.axis-btn{
  flex:1 1 220px;text-align:center;padding:26px 20px;border-radius:var(--radius);
  text-decoration:none;font-family:var(--font-display);font-size:1.05rem;font-weight:600;
  color:#fff;transition:transform .18s ease, box-shadow .18s ease;
}
.axis-btn:hover{transform:translateY(-3px);box-shadow:0 10px 22px rgba(11,43,80,.16)}
.axis-btn-navy{background:var(--navy)}
.axis-btn-royal{background:var(--royal)}
.axis-btn-gold{background:var(--gold);color:#3A2E12}
.fiche{position:relative;background:var(--sky-tint-2);border:1px solid var(--border);border-radius:var(--radius);padding:24px 22px 22px;text-decoration:none;color:inherit;display:block}
.fiche:hover{border-color:var(--gold)}
.fiche-stamp{width:34px;height:34px;border-radius:50%;border:1.5px solid var(--gold);color:var(--gold);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:.78rem;margin-bottom:14px}
.fiche h3{margin-bottom:8px}
.fiche p{font-size:.9rem;color:var(--ink-soft);margin-bottom:0}
.fiche-meta{margin-top:14px;font-family:var(--font-mono);font-size:.7rem;color:var(--royal);letter-spacing:.04em;text-transform:uppercase}

/* ===== Tabs ===== */
.tabs{display:flex;gap:8px;border-bottom:1px solid var(--border);margin-bottom:28px;flex-wrap:wrap}
.tab-btn{font-family:var(--font-body);font-size:.92rem;padding:10px 4px;margin-right:20px;background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;color:var(--ink-soft)}
.tab-btn.is-active{color:var(--navy);border-bottom-color:var(--gold);font-weight:500}
.tab-panel{display:none}
.tab-panel.is-active{display:block}

/* ===== Publication / list rows ===== */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.filter-btn{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;text-transform:uppercase;padding:8px 14px;border-radius:999px;border:1px solid var(--border-strong);background:transparent;cursor:pointer;color:var(--ink-soft)}
.filter-btn.is-active{background:var(--navy);border-color:var(--navy);color:#fff}
.pub-list{display:flex;flex-direction:column;border-top:1px solid var(--border)}
.pub-row{display:grid;grid-template-columns:100px 1fr auto;gap:20px;align-items:start;padding:20px 0;border-bottom:1px solid var(--border)}
.pub-date{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-soft);padding-top:3px}
.pub-tag{display:inline-block;font-family:var(--font-mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.05em;color:var(--royal);background:var(--sky-tint);padding:3px 9px;border-radius:999px;margin-bottom:8px}
.pub-title{margin:0 0 6px;font-size:1.05rem}
.pub-desc{color:var(--ink-soft);font-size:.92rem;margin:0}
.pub-dl{align-self:center;white-space:nowrap;text-decoration:none;color:var(--navy);font-size:.85rem;border-bottom:1px solid var(--gold)}
.empty-state{padding:40px 0;color:var(--ink-soft);font-style:italic}

/* Videos */
.video-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.video-card{background:var(--sky-tint-2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.video-frame{position:relative;padding-top:56.25%;background:var(--navy-deep)}
.video-frame iframe,.video-frame video{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-body{padding:16px 18px}
.video-body h3{font-size:1rem;margin-bottom:4px}
.video-body p{font-size:.86rem;color:var(--ink-soft);margin:0}

/* ===== Team ===== */
.person{display:grid;grid-template-columns:64px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--border)}
.person-avatar{width:64px;height:64px;border-radius:50%;background:var(--sky-tint);border:1px solid var(--border-strong);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);color:var(--navy);font-size:1.2rem}
.person h3{margin-bottom:2px}
.person-role{font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--gold);margin-bottom:8px;display:block}
.person p{font-size:.92rem;color:var(--ink-soft);margin:0}

/* ===== Forms ===== */
.form-card{background:var(--sky-tint-2);border:1px solid var(--border);border-radius:var(--radius);padding:32px;max-width:640px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.85rem;margin-bottom:6px;color:var(--ink-soft)}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--border-strong);border-radius:8px;font-family:var(--font-body);font-size:.95rem;background:#fff;color:var(--ink)}
.field textarea{resize:vertical;min-height:100px}
.form-note{font-size:.82rem;color:var(--ink-soft);margin-top:16px}

/* ===== Mailbox (contact) ===== */
.mailbox{display:grid;grid-template-columns:1fr 1.2fr;gap:40px}
.mailbox-tabs{background:var(--navy-deep);color:var(--paper-alt);border-radius:var(--radius);padding:24px}
.mailbox-tabs h3{color:#fff;margin-bottom:14px}
.mailbox-entry{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(246,247,250,.14)}
.mailbox-entry:last-child{border-bottom:none}
.mailbox-icon{width:36px;height:36px;border-radius:50%;background:var(--gold);color:#3A2E12;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:.8rem;flex-shrink:0}
.mailbox-entry h4{margin:0 0 3px;font-size:.92rem;color:#fff}
.mailbox-entry p{margin:0;font-size:.82rem;color:rgba(246,247,250,.75)}

/* ===== Callouts ===== */
.note-box{border-left:3px solid var(--gold);background:var(--gold-tint);padding:16px 20px;border-radius:0 8px 8px 0;font-size:.92rem;color:var(--ink)}

/* ===== Observatoire ===== */
.obs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-bottom:40px}
.obs-card{background:var(--sky-tint-2);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.obs-card .ticker-label{color:var(--royal)}
.obs-card .ticker-value{color:var(--ink);font-size:1.6rem}
.chart-card{background:var(--sky-tint-2);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:24px}
.chart-card h3{margin-bottom:4px}
.chart-card .chart-sub{font-size:.85rem;color:var(--ink-soft);margin-bottom:18px}
canvas{max-width:100%}

/* ===== Chat (FAQ assistant) ===== */
.chat-shell{background:var(--sky-tint-2);border:1px solid var(--border);border-radius:var(--radius);max-width:640px;overflow:hidden}
.chat-head{background:var(--navy);color:#fff;padding:16px 20px}
.chat-head h3{color:#fff;margin:0}
.chat-head p{margin:2px 0 0;font-size:.8rem;color:rgba(255,255,255,.75)}
.chat-log{padding:20px;display:flex;flex-direction:column;gap:12px;min-height:220px;max-height:420px;overflow-y:auto}
.chat-bubble{max-width:80%;padding:10px 14px;border-radius:14px;font-size:.9rem;line-height:1.5}
.chat-bubble.bot{background:#fff;border:1px solid var(--border);align-self:flex-start;border-bottom-left-radius:4px}
.chat-bubble.user{background:var(--navy);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat-chips{display:flex;flex-wrap:wrap;gap:8px;padding:0 20px 20px}
.chat-chip{font-size:.82rem;padding:8px 14px;border-radius:999px;border:1px solid var(--border-strong);background:#fff;cursor:pointer;color:var(--navy)}
.chat-chip:hover{border-color:var(--gold)}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--border);background:var(--navy-deep);color:var(--paper-alt);padding:44px 0 28px}
.footer-inner{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.footer-brand{font-family:var(--font-display);font-size:1.3rem;margin-bottom:8px}
.footer-meta{font-size:.82rem;color:rgba(246,247,250,.68);max-width:44ch;margin-bottom:0}
.footer-nav{display:flex;flex-direction:column;gap:8px;font-size:.88rem}
.footer-nav a{text-decoration:none;color:var(--paper-alt);opacity:.85}
.footer-nav a:hover{opacity:1;text-decoration:underline}
.footer-admin-link{
  display:inline-block;margin-top:14px;font-size:.78rem;
  color:var(--navy-deep);text-decoration:none;
}
.footer-admin-link:hover{color:var(--navy-deep)}
.footer-admin-link:focus-visible{color:var(--paper-alt);outline:1px dashed var(--paper-alt)}

/* ===== Floating chat launcher ===== */
.chat-launcher{position:fixed;right:22px;bottom:22px;z-index:30;display:flex;align-items:center;gap:8px;background:var(--navy);color:#fff;text-decoration:none;padding:12px 18px;border-radius:999px;font-size:.88rem;box-shadow:0 6px 18px rgba(11,43,80,.28)}
.chat-launcher:hover{background:var(--navy-deep)}

/* ===== Utility ===== */
.center{text-align:center}
.pill{display:inline-block;font-family:var(--font-mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.05em;padding:4px 10px;border-radius:999px;background:var(--sky-tint);color:var(--navy)}

/* ===== Intro overlay (hero animation) ===== */
.intro-overlay{
  position:fixed;inset:0;z-index:60;
  background:var(--navy-deep);
  display:flex;align-items:center;justify-content:center;
  opacity:1;transition:opacity .6s ease;
}
.intro-overlay .intro-video{width:min(640px,80vw);height:auto;border-radius:8px}
.intro-overlay.is-hidden{opacity:0;pointer-events:none}
.intro-skip{
  position:absolute;top:22px;right:22px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;
  color:rgba(246,247,250,.75);background:transparent;border:1px solid rgba(246,247,250,.35);
  border-radius:999px;padding:7px 14px;cursor:pointer;
}
.intro-skip:hover{color:#fff;border-color:#fff}
@media (max-width:600px){.intro-overlay .intro-video{width:88vw}}

/* ===== Responsive ===== */
@media (max-width:820px){
  .hero-grid{grid-template-columns:1fr}
  .header-inner{flex-wrap:wrap}
  .main-nav{order:3;width:100%;justify-content:space-between;padding-top:12px;border-top:1px solid var(--border)}
  .pub-row{grid-template-columns:1fr;gap:6px}
  .pub-date{padding-top:0}
  .footer-inner{flex-direction:column}
  .mailbox{grid-template-columns:1fr}
  .site-logo img{height:48px}
}

@media (prefers-reduced-motion:no-preference){
  .fiche{transition:border-color .18s ease, transform .18s ease}
  .fiche:hover{transform:translateY(-2px)}
}