/* ============================================================
   ARCHIDESIGN — système commun (Direction A · "L'Atelier")
   Archivo (sans/titres) + Newsreader (serif/corps & italiques)
   ============================================================ */
:root{
  --paper:#F4EEE4;
  --paper-2:#EBE1D2;
  --paper-3:#E2D5C2;
  --ink:#29231D;
  --ink-soft:#43392F;
  --muted:#7A6E5F;
  --clay:#B06A45;
  --clay-deep:#8F4F2E;
  --line:rgba(41,35,29,0.14);
  --line-strong:rgba(41,35,29,0.28);
  --serif:"Newsreader", Georgia, serif;
  --sans:"Archivo", system-ui, sans-serif;
  --container:1280px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--paper);color:var(--ink);font-family:var(--serif);font-weight:400;-webkit-font-smoothing:antialiased;line-height:1.6;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--container);margin:0 auto;padding:0 48px;}
.eyebrow{font-family:var(--sans);font-size:12px;font-weight:500;letter-spacing:.28em;text-transform:uppercase;color:var(--clay-deep);}
.serif{font-family:var(--serif);}
h1,h2,h3{font-family:var(--sans);font-weight:700;line-height:1.0;letter-spacing:-.022em;}
em.s{font-style:italic;font-family:var(--serif);font-weight:400;}

/* ---------- header ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .4s ease, box-shadow .4s ease, padding .4s ease;padding:26px 0;}
header.solid{background:rgba(244,238,228,.86);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line);padding:16px 0;}
.nav{display:flex;align-items:center;justify-content:space-between;gap:32px;}
.brand{display:flex;flex-direction:row;align-items:center;gap:14px;line-height:1;}
.brand .logo{height:48px;width:auto;transition:height .4s ease;}
header.solid .brand .logo{height:40px;}
.brand-tx{display:flex;flex-direction:column;line-height:1;}
.brand .mark{font-family:var(--sans);font-size:18px;letter-spacing:.16em;font-weight:700;padding-left:.16em;}
.brand .sub{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-top:6px;padding-left:.2em;}
.menu{display:flex;gap:38px;align-items:center;}
.menu a{font-family:var(--sans);font-size:13.5px;letter-spacing:.04em;color:var(--ink-soft);position:relative;padding:4px 0;}
.menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--clay);transition:width .35s ease;}
.menu a:hover::after,.menu a.active::after{width:100%;}
.nav-right{display:flex;align-items:center;gap:26px;}
.lang{display:flex;gap:2px;font-size:12px;letter-spacing:.08em;color:var(--muted);}
.lang button{background:none;border:none;cursor:pointer;font-family:var(--sans);font-size:12px;letter-spacing:.08em;color:var(--muted);padding:4px 6px;border-radius:2px;transition:color .25s;}
.lang button.active{color:var(--ink);}
.lang span{opacity:.4;}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-size:13px;letter-spacing:.06em;padding:13px 24px;border-radius:999px;border:1px solid var(--ink);color:var(--ink);background:transparent;cursor:pointer;transition:background .3s ease,color .3s ease,border-color .3s;}
.btn:hover{background:var(--ink);color:var(--paper);}
.btn-clay{background:var(--clay);border-color:var(--clay);color:#fff;}
.btn-clay:hover{background:var(--clay-deep);border-color:var(--clay-deep);color:#fff;}
.btn-light{border-color:var(--paper);color:var(--paper);}
.btn-light:hover{background:var(--paper);color:var(--ink);}
.btn .arr{transition:transform .3s ease;}
.btn:hover .arr{transform:translateX(4px);}

/* header over a dark page-hero (transparent / light state) */
.brand .logo-dark{display:none;}
header.solid .brand .logo-dark{display:block;}
header.solid .brand .logo-light{display:none;}
header:not(.solid) .brand .mark{color:var(--paper);}
header:not(.solid) .brand .sub{color:rgba(244,238,228,.72);}
header:not(.solid) .menu a{color:rgba(244,238,228,.88);}
header:not(.solid) .menu a::after{background:#E6B68E;}
header:not(.solid) .lang button{color:rgba(244,238,228,.72);}
header:not(.solid) .lang button.active{color:var(--paper);}
header:not(.solid) .lang span{color:rgba(244,238,228,.5);}
header:not(.solid) .btn{border-color:rgba(244,238,228,.55);color:var(--paper);}
header:not(.solid) .btn:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);}

/* ---------- page hero (interior pages) ---------- */
.page-hero{position:relative;background:var(--ink);color:var(--paper);overflow:hidden;}
.page-hero .wrap{position:relative;z-index:2;padding:190px 48px 92px;}
.page-hero .eyebrow{color:#EAC7A9;}
.page-hero h1{font-size:clamp(46px,6.6vw,96px);line-height:.96;color:var(--paper);margin-top:22px;}
.page-hero h1 em{font-style:italic;font-family:var(--serif);font-weight:400;color:#E7AE7E;}
.page-hero .lead{font-size:18px;color:rgba(244,238,228,.82);max-width:560px;margin-top:26px;line-height:1.65;}
.page-hero .crumbs{font-family:var(--sans);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:rgba(244,238,228,.6);margin-bottom:6px;}
.page-hero .crumbs a:hover{color:var(--paper);}
.page-hero-media{position:absolute;inset:0;z-index:0;}
.page-hero-media image-slot,.page-hero-media img{width:100%;height:100%;object-fit:cover;}
.page-hero.has-media .wrap{padding-top:230px;}
.page-hero.has-media::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(26,21,16,.88),rgba(26,21,16,.5) 60%,rgba(26,21,16,.3));}

/* ---------- section heading ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:18px;}
.sec-head h2{font-size:clamp(34px,4.4vw,60px);}
.sec-head .idx{font-family:var(--sans);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);}

/* ---------- quote ---------- */
.quote{padding:30px 0 120px;}
.quote .wrap{max-width:960px;text-align:center;}
.quote blockquote{font-family:var(--serif);font-size:clamp(26px,3.2vw,40px);line-height:1.3;font-style:italic;}
.quote .who{margin-top:34px;font-family:var(--sans);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);}

/* ---------- contact CTA ---------- */
.cta{background:var(--ink);color:var(--paper);padding:120px 0;}
.cta .eyebrow{color:#D69A72;}
.cta h2{font-size:clamp(44px,6vw,88px);color:var(--paper);margin-top:26px;line-height:.98;}
.cta h2 em{font-style:italic;font-family:var(--serif);font-weight:400;color:#D69A72;}
.cta .row{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-top:54px;flex-wrap:wrap;}
.cta .mail{font-family:var(--serif);font-size:clamp(28px,3.4vw,44px);border-bottom:1px solid rgba(244,238,228,.4);padding-bottom:8px;transition:border-color .3s;}
.cta .mail:hover{border-color:#D69A72;}
.cta .place{font-family:var(--sans);font-size:13px;letter-spacing:.2em;text-transform:uppercase;opacity:.7;}

/* ---------- footer ---------- */
footer{background:var(--ink);color:rgba(244,238,228,.7);padding:60px 0 50px;border-top:1px solid rgba(244,238,228,.12);}
.foot{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;}
.foot-logo{height:58px;width:auto;}
.foot .fnav{display:flex;gap:28px;font-family:var(--sans);font-size:13px;}
.foot .fnav a:hover{color:var(--paper);}
.foot .cr{font-family:var(--sans);font-size:12px;letter-spacing:.08em;opacity:.6;}
.foot-legal{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid rgba(244,238,228,.12);}
.foot-legal .fl-left{font-family:var(--sans);font-size:12px;letter-spacing:.04em;color:rgba(244,238,228,.5);}
.foot-legal .fl-links{display:flex;gap:22px;}
.foot-legal .fl-links a{font-family:var(--sans);font-size:12px;letter-spacing:.04em;color:rgba(244,238,228,.6);transition:color .25s;}
.foot-legal .fl-links a:hover{color:var(--paper);}

image-slot{--cap-bg:var(--paper-3);}

/* ---------- mobile nav (hamburger + panel) ---------- */
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:46px;height:46px;background:none;border:none;cursor:pointer;padding:11px;margin:-8px -11px;}
.nav-burger span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:background .3s ease;}
header:not(.solid) .nav-burger span{background:var(--paper);}

.mobile-panel{position:fixed;inset:0;z-index:120;background:var(--paper);display:flex;flex-direction:column;padding:22px 26px 40px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .32s ease,transform .32s ease,visibility .32s;overflow-y:auto;-webkit-overflow-scrolling:touch;}
.mobile-panel.open{opacity:1;visibility:visible;transform:none;}
.mp-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:30px;}
.mp-top .brand{display:flex;align-items:center;gap:12px;}
.mp-top .brand img{height:44px;width:auto;}
.mp-top .brand .mark{font-family:var(--sans);font-size:17px;letter-spacing:.16em;font-weight:700;color:var(--ink);}
.mp-top .brand .sub{font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-top:5px;}
.mp-close{width:46px;height:46px;flex-shrink:0;background:none;border:1px solid var(--line-strong);border-radius:50%;cursor:pointer;position:relative;}
.mp-close::before,.mp-close::after{content:"";position:absolute;top:50%;left:50%;width:17px;height:2px;background:var(--ink);border-radius:2px;}
.mp-close::before{transform:translate(-50%,-50%) rotate(45deg);}
.mp-close::after{transform:translate(-50%,-50%) rotate(-45deg);}
.mp-menu{display:flex;flex-direction:column;}
.mp-menu a{font-family:var(--sans);font-weight:700;font-size:clamp(28px,8vw,38px);letter-spacing:-.02em;color:var(--ink);padding:18px 0;border-bottom:1px solid var(--line);transition:color .25s,padding-left .3s ease;}
.mp-menu a:active,.mp-menu a.active{color:var(--clay-deep);}
.mp-foot{margin-top:auto;padding-top:34px;display:flex;flex-direction:column;gap:24px;}
.mp-foot .lang{display:flex;gap:8px;}
.mp-foot .lang button{font-family:var(--sans);font-size:14px;letter-spacing:.06em;color:var(--muted);background:none;border:1px solid var(--line-strong);border-radius:7px;padding:9px 15px;cursor:pointer;transition:background .25s,color .25s,border-color .25s;}
.mp-foot .lang button.active{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.mp-foot .lang span{display:none;}
.mp-foot .btn{align-self:flex-start;justify-content:center;}
body.nav-open{overflow:hidden;}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1);}
.js .reveal.in{opacity:1;transform:none;}

@media (max-width:980px){
  .wrap{padding:0 26px;}
  .menu{display:none;}
  .nav-right{display:none;}
  .nav-burger{display:flex;}
  header{padding:18px 0;}
  header.solid{padding:13px 0;}
  .brand .logo{height:40px;}
  header.solid .brand .logo{height:36px;}
  .page-hero .wrap{padding:128px 26px 64px;}
  .page-hero.has-media .wrap{padding-top:150px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta{padding:80px 0;}
  .cta .row{flex-direction:column;align-items:flex-start;gap:26px;}
  .cta .mail{font-size:clamp(24px,7vw,34px);word-break:break-word;}
  .foot{flex-direction:column;align-items:flex-start;gap:22px;}
  .foot-legal{flex-direction:column;align-items:flex-start;gap:14px;}
  .quote{padding:20px 0 80px;}
}
@media (max-width:560px){
  .wrap{padding:0 20px;}
  .brand .sub{display:none;}
  .page-hero .wrap{padding:120px 20px 56px;}
}