/* ============================================================
   Filigrane · feuille de style des pages intérieures
   Même direction artistique que la page d'accueil : encre, ivoire, or.
   ============================================================ */

:root{
  --ink:#0a0910;
  --ink-2:#12101c;
  --ivory:#f2ecdf;
  --ivory-dim:#d5cebf;
  --gold:#d4a94e;
  --gold-soft:#e6c67e;
  --slate:#8d8899;
  --line:rgba(242,236,223,.14);
  --font-display:"Playfair Display", Georgia, serif;
  --font-ui:"Inter", system-ui, sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth; scroll-padding-top:96px; overflow-x:hidden;}
body{
  background:var(--ink); color:var(--ivory);
  font-family:var(--font-ui); -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.locked{ overflow:hidden; }
::selection{ background:var(--gold); color:var(--ink); }
img{ max-width:100%; display:block; }

/* le tissage, dessiné une seule fois : une page intérieure doit rester légère */
#weave{ position:fixed; inset:0; z-index:0; display:block; background:var(--ink); }
.vignette{
  position:fixed; inset:0; z-index:1; pointer-events:none;
  background:
    radial-gradient(120% 85% at 50% 6%, transparent 40%, rgba(6,5,10,.5) 100%),
    linear-gradient(180deg, rgba(6,5,10,.55) 0%, rgba(6,5,10,.2) 22%, rgba(6,5,10,.35) 70%, rgba(6,5,10,.6) 100%);
}

/* ---------- barre du haut ---------- */
.topbar{
  position:fixed; top:0; left:0; right:0; z-index:20;
  display:flex; align-items:center; gap:clamp(14px,3vw,40px);
  padding:13px clamp(18px,4vw,52px);
  background:rgba(9,8,14,.82);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.brand{
  font-family:var(--font-display); font-weight:500;
  font-size:clamp(16px,2vw,21px); letter-spacing:.4em; padding-left:.4em;
  text-transform:uppercase; color:var(--ivory); text-decoration:none;
  white-space:nowrap; flex:none;
}
.nav{ display:flex; align-items:center; gap:clamp(12px,2vw,26px); margin-left:auto; }
.nav a{
  font-size:11.5px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--ivory-dim); text-decoration:none; position:relative; padding:6px 0; white-space:nowrap;
  transition:color .3s;
}
.nav a::after{
  content:''; position:absolute; left:0; right:0; bottom:0; height:1px;
  background:var(--gold); transform:scaleX(0); transform-origin:left;
  transition:transform .35s cubic-bezier(.2,.7,.2,1);
}
.nav a:hover{ color:var(--ivory); }
.nav a:hover::after, .nav a.on::after{ transform:scaleX(1); }
.nav a.on{ color:var(--ivory); }
.tb-right{ display:flex; align-items:center; gap:clamp(10px,1.6vw,20px); flex:none; }
.phase{
  font-size:11px; letter-spacing:.24em; text-transform:uppercase; color:var(--ivory);
  display:flex; align-items:center; gap:9px; text-decoration:none; white-space:nowrap;
}
.phase .dot{ width:7px; height:7px; border-radius:50%; background:var(--gold); box-shadow:0 0 12px var(--gold); flex:none; }
.phase .phase-txt{ border-bottom:1px solid transparent; padding-bottom:2px; transition:border-color .3s; }
.phase:hover .phase-txt{ border-color:var(--ivory); }
.menu-btn{
  display:none; width:40px; height:34px; background:none; border:1px solid var(--line);
  border-radius:2px; cursor:pointer; position:relative; flex:none;
}
.menu-btn span{
  position:absolute; left:11px; right:11px; height:1px; background:var(--ivory);
  transition:transform .35s cubic-bezier(.2,.7,.2,1);
}
.menu-btn span:nth-child(1){ top:13px; }
.menu-btn span:nth-child(2){ top:20px; }
.menu-btn[aria-expanded="true"] span:nth-child(1){ transform:translateY(3.5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2){ transform:translateY(-3.5px) rotate(-45deg); }

.drawer{
  position:fixed; inset:0; z-index:19; background:rgba(8,7,12,.97);
  backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
  display:flex; flex-direction:column; justify-content:center; gap:4px;
  padding:96px clamp(26px,9vw,60px) 60px;
  opacity:0; visibility:hidden; transform:translateY(-14px);
  transition:opacity .45s ease, visibility .45s, transform .45s cubic-bezier(.2,.7,.2,1);
}
.drawer.open{ opacity:1; visibility:visible; transform:none; }
.drawer a{
  font-family:var(--font-display); font-size:clamp(24px,6.4vw,36px); font-weight:400;
  color:var(--ivory); text-decoration:none; padding:13px 0;
  border-bottom:1px solid var(--line); display:flex; align-items:baseline; gap:16px;
}
.drawer a .dn{ font-size:12px; font-family:var(--font-ui); letter-spacing:.2em; color:var(--gold-soft); }
.drawer .drawer-cta{ margin-top:26px; border:none; }

/* ---------- structure ---------- */
main{ position:relative; z-index:5; }
.wrap{ max-width:1180px; margin:0 auto; padding:0 clamp(22px,6vw,60px); }
section{ padding:clamp(58px,8vw,104px) 0; }
section.tight{ padding-top:0; }

.eyebrow{
  font-size:11px; letter-spacing:.4em; text-transform:uppercase;
  color:var(--gold-soft); margin-bottom:20px;
}
.eyebrow .num{ color:var(--ivory-dim); margin-right:14px; }

h1,h2,h3{ font-family:var(--font-display); font-weight:400; }
.g{ color:var(--gold-soft); font-style:italic; }

/* fil d'ariane */
.crumb{
  padding-top:clamp(96px,10vw,126px); font-size:11px; letter-spacing:.22em;
  text-transform:uppercase; color:var(--slate);
}
.crumb a{ color:var(--slate); text-decoration:none; border-bottom:1px solid rgba(141,136,153,.4); }
.crumb a:hover{ color:var(--gold-soft); border-color:var(--gold-soft); }
.crumb span{ margin:0 10px; }

/* hero de page */
.page-hero{ padding-top:clamp(34px,4vw,52px); padding-bottom:clamp(40px,6vw,72px); }
.page-hero h1{
  font-size:clamp(38px,6.6vw,80px); line-height:1.05; letter-spacing:.01em;
  max-width:18ch; margin-bottom:26px;
  text-shadow:0 4px 34px rgba(6,5,10,.7);
}
.page-hero .lede{
  max-width:62ch; font-size:clamp(17px,2.3vw,21.5px); line-height:1.8; color:var(--ivory-dim);
  text-shadow:0 2px 22px rgba(6,5,10,.9);
}
.page-hero .lede strong{ color:var(--ivory); font-weight:600; }
.page-hero .cta-row{ margin-top:34px; }

/* texte courant */
.prose{ max-width:68ch; }
.prose h2{
  font-size:clamp(28px,4.4vw,46px); line-height:1.14; margin-bottom:20px;
  text-shadow:0 4px 28px rgba(6,5,10,.7);
}
.prose h3{
  font-size:clamp(20px,2.6vw,25px); font-weight:500; margin:34px 0 12px;
}
.prose p{ font-size:17px; line-height:1.85; color:var(--ivory-dim); }
.prose p + p{ margin-top:15px; }
.prose p strong{ color:var(--ivory); font-weight:600; }
.prose ul{ list-style:none; margin-top:16px; display:flex; flex-direction:column; gap:11px; }
.prose ul li{ position:relative; padding-left:22px; font-size:16.4px; line-height:1.72; color:var(--ivory-dim); }
.prose ul li::before{ content:''; position:absolute; left:0; top:.68em; width:9px; height:1px; background:var(--gold-soft); }
.prose ul li strong{ color:var(--ivory); font-weight:600; }

.sec-head{ max-width:62ch; margin-bottom:40px; }
.sec-head h2{
  font-size:clamp(30px,5vw,54px); line-height:1.1; margin-bottom:18px;
  text-shadow:0 4px 28px rgba(6,5,10,.7);
}
.sec-head p{ font-size:17px; line-height:1.8; color:var(--ivory-dim); }

/* grille de cartes */
.grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(252px,1fr)); gap:16px; }
.tile{
  border:1px solid var(--line); border-radius:3px; padding:28px 24px 26px;
  background:rgba(14,12,22,.5);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  transition:transform .45s cubic-bezier(.2,.7,.2,1), border-color .45s, background .45s;
}
.tile:hover{ transform:translateY(-5px); border-color:rgba(212,169,78,.5); background:rgba(16,13,24,.62); }
.tile .k{
  font-family:var(--font-display); font-style:italic; font-size:14px; color:var(--gold-soft);
  display:block; margin-bottom:12px;
}
.tile h3{ font-size:19.5px; font-weight:500; margin-bottom:10px; }
.tile p{ font-size:15.4px; line-height:1.72; color:var(--ivory-dim); }

/* bandeau de chiffres ou de repères */
.marks{ display:flex; flex-wrap:wrap; gap:12px; margin-top:28px; }
.mark{
  border:1px solid var(--line); border-radius:2px; padding:11px 18px;
  font-size:12.5px; letter-spacing:.18em; text-transform:uppercase; color:var(--ivory-dim);
  background:rgba(10,9,16,.5); backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px);
}
.mark b{ color:var(--gold-soft); font-weight:600; }

/* étapes numérotées */
.steps{ display:grid; grid-template-columns:repeat(auto-fit,minmax(214px,1fr)); }
.step{ padding:26px 26px 8px 0; border-top:1px solid var(--line); }
.step .n{ font-family:var(--font-display); font-style:italic; font-size:15px; color:var(--gold-soft); display:block; margin-bottom:12px; }
.step h3{ font-size:21px; font-weight:500; margin-bottom:10px; }
.step p{ font-size:15.6px; line-height:1.74; color:var(--ivory-dim); }

/* FAQ */
.faq{ max-width:74ch; }
.faq details{ border-top:1px solid var(--line); }
.faq details:last-child{ border-bottom:1px solid var(--line); }
.faq summary{
  list-style:none; cursor:pointer; padding:21px 44px 21px 0; position:relative;
  font-family:var(--font-display); font-weight:500; font-size:clamp(17px,2.2vw,20.5px);
  line-height:1.4; color:var(--ivory); transition:color .3s;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary:hover{ color:var(--gold-soft); }
.faq summary::after{ content:''; position:absolute; right:8px; top:50%; width:11px; height:1px; background:var(--gold-soft); transform:translateY(-50%); }
.faq summary::before{
  content:''; position:absolute; right:13px; top:50%; width:1px; height:11px; background:var(--gold-soft);
  transform:translateY(-50%); transition:transform .3s, opacity .3s;
}
.faq details[open] summary::before{ transform:translateY(-50%) rotate(90deg); opacity:0; }
.faq .ans{ padding:0 44px 22px 0; font-size:16.2px; line-height:1.8; color:var(--ivory-dim); }
.faq .ans strong{ color:var(--ivory); font-weight:600; }

/* boutons */
.btn{
  font-family:var(--font-ui); font-size:13px; letter-spacing:.16em; text-transform:uppercase;
  padding:17px 32px; border-radius:2px; cursor:pointer; border:1px solid transparent;
  transition:transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  text-decoration:none; display:inline-block;
}
.btn.tiny{ padding:11px 20px; font-size:11px; letter-spacing:.16em; }
.btn.primary{ background:var(--gold); color:#181203; font-weight:500; }
.btn.primary:hover{ transform:translateY(-2px); background:var(--gold-soft); }
.btn.ghost{ border-color:var(--line); color:var(--ivory); background:transparent; }
.btn.ghost:hover{ transform:translateY(-2px); border-color:var(--ivory); }
.btn:focus-visible, a:focus-visible, summary:focus-visible, button:focus-visible{ outline:2px solid var(--gold); outline-offset:4px; }
.cta-row{ display:flex; gap:14px; flex-wrap:wrap; }

/* appel final */
.endcall{
  border:1px solid transparent; border-radius:18px; overflow:hidden;
  background:
    linear-gradient(rgba(13,11,20,.82), rgba(13,11,20,.82)) padding-box,
    linear-gradient(135deg, rgba(212,169,78,.6) 0%, rgba(242,236,223,.14) 28%, rgba(212,169,78,.08) 58%, rgba(230,198,126,.5) 100%) border-box;
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  padding:clamp(30px,4.6vw,54px);
  display:flex; flex-wrap:wrap; align-items:center; gap:24px 40px;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
}
.endcall .es{
  width:52px; height:52px; border-radius:50%; flex:none;
  border:1px solid rgba(212,169,78,.55);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-style:italic; font-weight:500; font-size:27px; color:var(--gold-soft);
  box-shadow:inset 0 0 22px rgba(212,169,78,.14), 0 0 20px rgba(212,169,78,.1);
}
.endcall .et{ flex:1 1 340px; }
.endcall h2{ font-size:clamp(24px,3.4vw,34px); line-height:1.2; margin-bottom:10px; }
.endcall p{ font-size:16px; line-height:1.72; color:var(--ivory-dim); }

/* pages voisines */
.siblings{ display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:14px; }
.sib{
  display:block; text-decoration:none; border:1px solid var(--line); border-radius:3px;
  padding:24px 22px; background:rgba(14,12,22,.45);
  transition:transform .4s cubic-bezier(.2,.7,.2,1), border-color .4s, background .4s;
}
.sib:hover{ transform:translateY(-4px); border-color:rgba(212,169,78,.5); background:rgba(16,13,24,.6); }
.sib small{ display:block; font-size:10px; letter-spacing:.26em; text-transform:uppercase; color:var(--gold-soft); margin-bottom:10px; }
.sib b{ font-family:var(--font-display); font-weight:500; font-size:19px; color:var(--ivory); display:block; margin-bottom:7px; }
.sib span{ font-size:14.6px; line-height:1.65; color:var(--ivory-dim); }

/* pied de page */
.site-foot{
  position:relative; z-index:5; border-top:1px solid var(--line);
  background:rgba(8,7,12,.74);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  padding:clamp(40px,5vw,66px) clamp(22px,6vw,60px) 34px;
}
.foot-grid{ display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:34px; max-width:1180px; margin:0 auto; }
.foot-grid h4{ font-size:10.5px; letter-spacing:.26em; text-transform:uppercase; color:var(--gold-soft); margin-bottom:16px; font-weight:500; }
.foot-grid ul{ list-style:none; display:flex; flex-direction:column; gap:11px; }
.foot-grid a{ font-size:14px; color:var(--ivory-dim); text-decoration:none; transition:color .25s; }
.foot-grid a:hover{ color:var(--gold-soft); }
.foot-brand .brand{ padding-left:0; display:block; margin-bottom:14px; }
.foot-brand p{ font-size:14.4px; line-height:1.75; color:var(--ivory-dim); max-width:38ch; }
.foot-bottom{
  max-width:1180px; margin:38px auto 0; padding-top:24px; border-top:1px solid var(--line);
  display:flex; flex-wrap:wrap; gap:12px 26px; align-items:center;
  font-size:10.5px; letter-spacing:.2em; text-transform:uppercase; color:var(--slate);
}
.foot-bottom a{ color:var(--slate); text-decoration:none; }
.foot-bottom a:hover{ color:var(--gold-soft); }
.foot-bottom .sep{ margin-left:auto; }

/* apparition */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity 1s cubic-bezier(.2,.7,.2,1), transform 1s cubic-bezier(.2,.7,.2,1); }
.reveal.in{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.1s; } .reveal.d2{ transition-delay:.2s; } .reveal.d3{ transition-delay:.3s; }

/* les libellés de ces pages sont longs : la barre se dégarnit par paliers
   plutôt que de déborder et de couper le bouton d'appel */
@media (max-width:1320px){
  .nav{ gap:18px; }
  .nav a{ font-size:11px; letter-spacing:.14em; }
}
@media (max-width:1180px){
  /* le libellé tombe, le point doré reste : l'intitulé passe par aria-label */
  .phase .phase-txt{ display:none; }
}
@media (max-width:1150px){
  .nav{ display:none; }
  .menu-btn{ display:block; }
  .tb-right{ margin-left:auto; }
}
@media (max-width:900px){
  .tb-right .btn.tiny{ display:none; }
}
@media (max-width:820px){
  .foot-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:640px){
  .brand{ letter-spacing:.26em; }
  .foot-grid{ grid-template-columns:1fr; gap:26px; }
  .foot-bottom .sep{ margin-left:0; }
}
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .reveal{ transition:none; opacity:1; transform:none; }
}