:root{
  --teal:#2F5E68; --teal-dark:#22474F; --teal-deep:#152F35; --teal-ink:#0E2226;
  --tan:#DEB889; --tan-soft:#F0E3CE; --gold:#DFC148; --gold-deep:#B99B22;
  --paper:#FAF6ED; --paper-2:#F3ECDD; --white:#FFFFFF;
  --ink:#1B2E33; --muted:#5D6E71; --line:rgba(31,68,76,.16);
  --shadow:0 20px 50px -20px rgba(14,34,38,.28);
  --font-display:"Fraunces",Georgia,serif; --font-body:"Inter",system-ui,sans-serif; --font-mono:"IBM Plex Mono",monospace;
  --header-h:78px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 30px)}
body{font-family:var(--font-body);background:var(--paper);color:var(--ink);font-size:16.5px;line-height:1.65;overflow-x:hidden}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:3000;opacity:.035;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit}
::selection{background:var(--gold);color:var(--teal-ink)}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}
.wrap{width:min(1220px,92%);margin:0 auto}
[hidden]{display:none!important}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--teal-ink);padding:12px 20px;z-index:5000;font-weight:700}
.skip:focus{left:12px;top:12px}
[id]{scroll-margin-top:calc(var(--header-h) + 26px)}

.progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--gold),var(--tan));z-index:2600}

/* ---------- Topbar ---------- */
.topbar{background:var(--teal-deep);color:#CFE0DD;font-size:.78rem}
.topbar-in{display:flex;align-items:center;gap:16px;padding:8px 0}
.tb-left{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);letter-spacing:.06em}
.tb-left .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);flex:none;box-shadow:0 0 0 4px rgba(223,193,72,.18)}
.tb-spacer{flex:1}
.tb-right{display:flex;gap:20px;align-items:center}
.tb-right a{transition:color .25s}
.tb-right a:hover{color:var(--gold)}
.lang-switch{display:flex;align-items:center;gap:4px;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:3px}
.lang-btn{background:transparent;border:none;color:#9FB8B4;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;padding:5px 12px;border-radius:999px;cursor:pointer;transition:all .25s}
.lang-btn.active{background:var(--gold);color:var(--teal-ink);font-weight:500}
.lang-btn:not(.active):hover{color:var(--gold)}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:2500;background:rgba(250,246,237,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.header.scrolled{box-shadow:0 10px 30px -18px rgba(14,34,38,.35)}
.header-in{display:flex;align-items:center;gap:28px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand-seal{width:48px;height:48px;flex:none}
.brand-txt{line-height:1.1}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.45rem;letter-spacing:.02em;color:var(--teal-deep)}
.brand-sub{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.nav{margin-left:auto}
.menu{display:flex;gap:4px;align-items:center}
.menu>li{position:relative}
.menu>li>a{display:flex;align-items:center;gap:6px;padding:10px 13px;font-weight:600;font-size:.9rem;color:var(--teal-deep);border-radius:8px;transition:background .25s,color .25s;position:relative}
.menu>li>a:hover{background:rgba(47,94,104,.09)}
.menu>li>a.is-active{color:var(--gold-deep)}
.menu>li>a.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;background:var(--gold)}
.chev{width:10px;height:10px;transition:transform .3s;flex:none}
.sub{position:absolute;top:calc(100% + 6px);left:0;min-width:280px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:10px;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .28s,transform .28s,visibility .28s;z-index:10}
@media (hover:hover) and (min-width:1025px){
  .menu>li:hover .sub,.menu>li:focus-within .sub{opacity:1;visibility:visible;transform:translateY(0)}
  .menu>li:hover .chev{transform:rotate(180deg)}
}
.sub li a{display:block;padding:10px 14px;border-radius:9px;font-size:.88rem;color:var(--ink);transition:background .2s,padding-left .2s}
.sub li a:hover{background:var(--paper-2);padding-left:18px;color:var(--teal)}
.sub li.sub-label{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding:8px 14px 4px}
.nav-cta{flex:none}
.nav-close{display:none}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700;font-size:.95rem;padding:15px 28px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s,color .25s;letter-spacing:.01em}
.btn svg{transition:transform .25s;flex:none}
.btn:hover svg{transform:translateX(4px)}
.btn-gold{background:var(--gold);color:var(--teal-ink)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 14px 30px -12px rgba(185,155,34,.65)}
.btn-ghost{border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{transform:translateY(-3px);box-shadow:0 14px 30px -12px rgba(34,71,79,.55)}
.btn-outline{border-color:var(--teal);color:var(--teal)}
.btn-outline:hover{background:var(--teal);color:#fff;transform:translateY(-3px)}
.btn-sm{padding:11px 20px;font-size:.85rem}

/* ---------- Typo sections ---------- */
.kicker{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold-deep);display:flex;align-items:center;gap:14px;margin-bottom:18px}
.kicker::before{content:"";width:42px;height:2px;background:var(--gold)}
.on-dark{color:var(--gold)}
h1,h2,h3{font-family:var(--font-display);color:var(--teal-deep);line-height:1.12;font-weight:600}
.sec-title{font-size:clamp(1.85rem,3.4vw,2.9rem);letter-spacing:-.01em}
.sec-title em{font-style:italic;color:var(--gold-deep)}
.dark .sec-title{color:var(--paper)}
.dark .sec-title em{color:var(--gold)}
.section{padding:96px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:52px;flex-wrap:wrap}
.link-arrow{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--teal);border-bottom:2px solid var(--gold);padding-bottom:4px;transition:gap .25s}
.link-arrow:hover{gap:16px}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.6,.2,1),transform .8s cubic-bezier(.2,.6,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- Pages (routeur) ---------- */
.page.visible{animation:pageIn .55s cubic-bezier(.2,.6,.2,1) both}
@keyframes pageIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}