*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --noir:#0e0f0e;
  --gris-fonce:#1c1e1c;
  --gris-mid:#2e312e;
  --gris-clair:#f4f2ed;
  --blanc:#fafaf8;
  --or:#c8a45a;
  --or-dark:#a9843f;
  --texte-muted:#7a7d78;
  --ease:cubic-bezier(.16,.84,.44,1);
}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
}
body{font-family:'DM Sans',sans-serif;background:var(--blanc);color:var(--noir);overflow-x:hidden}
nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 56px;height:72px;background:rgba(250,250,248,0.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,0.06);transition:box-shadow .3s var(--ease)}
nav.scrolled{box-shadow:0 8px 30px rgba(14,15,14,0.07)}
.logo{font-family:'DM Serif Display',serif;font-size:22px;color:var(--noir);text-decoration:none}
.logo span{color:var(--or)}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{font-size:15px;color:var(--texte-muted);text-decoration:none;transition:color .2s}
.nav-links a:hover{color:var(--noir)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-cta{background:var(--noir);color:var(--blanc);font-family:'DM Sans',sans-serif;font-weight:500;font-size:15px;padding:12px 30px;border:none;cursor:pointer;border-radius:999px;text-decoration:none;transition:background .25s var(--ease),transform .25s var(--ease)}
.nav-cta:hover{background:var(--gris-mid);transform:translateY(-1px)}
.nav-email,.nav-email:visited,.nav-email:active{font-size:15px;color:#7A7A7A;font-weight:600;text-decoration:none;transition:color .2s}
.nav-email:hover{color:#7A7A7A}
.btn-retour{display:inline-flex;align-items:center;gap:10px;font-size:15px;color:var(--texte-muted);text-decoration:none;transition:color .2s,gap .2s;font-weight:500}
.btn-retour:hover{color:var(--or);gap:13px}
.eyebrow{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--or);margin-bottom:16px;font-weight:500;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:'';width:24px;height:1px;background:var(--or)}
.divider{width:48px;height:1px;background:var(--or);margin:24px 0 48px}

.menu-toggle{display:none;flex-direction:column;justify-content:center;align-items:flex-end;gap:5px;width:32px;height:32px;background:transparent;border:none;cursor:pointer;padding:0}
.menu-toggle span{display:block;height:2px;background:var(--noir);border-radius:1px;transition:transform .25s var(--ease),opacity .2s var(--ease),width .25s var(--ease)}
.menu-toggle span:nth-child(1){width:24px}
.menu-toggle span:nth-child(2){width:18px}
.menu-toggle span:nth-child(3){width:24px}
.menu-toggle[aria-expanded="true"] span{width:24px}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.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}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--noir);color:var(--blanc);padding:12px 20px;z-index:1000;text-decoration:none;border-radius:0 0 4px 0}
.skip-link:focus{left:0}

footer a:focus-visible,
.nav-links a:focus-visible,
.nav-cta:focus-visible,
.btn-retour:focus-visible,
a:focus-visible,
button:focus-visible{outline:2px solid var(--or);outline-offset:2px}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.08s}
.reveal-d2{transition-delay:.16s}
.reveal-d3{transition-delay:.24s}
.reveal-d4{transition-delay:.32s}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
}

.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--noir);border:1px solid rgba(200,164,90,0.35);color:var(--or);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(14px);transition:opacity .3s var(--ease),transform .3s var(--ease),background .2s ease;z-index:90}
.to-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--gris-mid)}
.to-top svg{width:18px;height:18px}

.icon{width:20px;height:20px;flex-shrink:0}

@media (max-width: 900px){
  nav{padding:0 20px}
  .nav-email{display:none}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;gap:0;
    background:var(--blanc);
    border-bottom:1px solid rgba(0,0,0,0.08);
    box-shadow:0 16px 30px rgba(0,0,0,0.06);
    max-height:0;overflow:hidden;
    transition:max-height .35s var(--ease);
  }
  .nav-links.open{max-height:420px}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:18px 24px;border-bottom:1px solid rgba(0,0,0,0.05)}
  .menu-toggle{display:flex}
}
@media (max-width: 600px){
  .nav-cta{padding:10px 18px;font-size:13px}
  .logo{font-size:19px}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
}