:root{
  --canvas:#faf7f2;
  --canvas-2:#f1ece3;
  --ink:#1c1a18;
  --ink-soft:#56514b;
  --accent:#c0334d;
  --accent-2:#7d3c8c;
  --line:#e4ddd2;
  --max:1180px;
  --serif:'Cormorant Garamond',Georgia,serif;
  /* « Inter Repli » : police systeme aux metriques ajustees sur Inter,
     declaree dans index.html. Sans elle, le texte peint avant l arrivee de la
     police definitive n a pas les memes dimensions et la page bouge. */
  --sans:'Inter','Inter Repli',-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);font-weight:300;color:var(--ink);background:var(--canvas);
  line-height:1.65;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:.005em}

/* ---------- HEADER ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px clamp(20px,5vw,48px);
  background:rgba(250,247,242,0);transition:background .35s,box-shadow .35s,padding .35s}
.site-header.scrolled{background:rgba(250,247,242,.92);backdrop-filter:blur(10px);
  box-shadow:0 1px 0 var(--line);padding-top:11px;padding-bottom:11px}
.brand-logo{height:46px;width:auto;filter:drop-shadow(0 2px 6px rgba(0,0,0,.35));transition:height .35s}
.site-header.scrolled .brand-logo{height:38px}
.site-nav{display:flex;gap:clamp(18px,3vw,40px)}
.site-nav a{font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;font-weight:400;
  color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.45);position:relative;padding:4px 0;transition:color .3s}
.site-header.scrolled .site-nav a{color:var(--ink-soft);text-shadow:none}
.site-nav a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--accent);transition:width .3s}
.site-nav a:hover{color:var(--accent)}
.site-nav a:hover::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.4);transition:.3s}
.site-header.scrolled .nav-toggle span{background:var(--ink)}

/* ---------- HERO · CONCEPT COULEUR ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:#050505;overflow:hidden;padding:clamp(96px,12vh,140px) 20px clamp(56px,8vh,90px)}
.cc-aura{position:absolute;inset:-15%;z-index:1;pointer-events:none;filter:blur(40px);opacity:.85;
  background:
    radial-gradient(28% 38% at 28% 30%,rgba(177,92,201,.45),transparent 70%),
    radial-gradient(30% 40% at 74% 34%,rgba(63,174,159,.4),transparent 70%),
    radial-gradient(26% 36% at 64% 74%,rgba(224,104,43,.42),transparent 70%),
    radial-gradient(24% 34% at 30% 76%,rgba(192,51,77,.4),transparent 70%);
  animation:aura 16s ease-in-out infinite alternate}
@keyframes aura{from{transform:scale(1) rotate(0)}to{transform:scale(1.25) rotate(9deg)}}
.hero-stage{position:relative;z-index:2;text-align:center;width:100%;max-width:1080px}
.cc-title{font-family:var(--sans);font-weight:600;text-transform:uppercase;
  font-size:clamp(2.1rem,7.4vw,5.2rem);letter-spacing:.05em;line-height:1;
  background:linear-gradient(90deg,#b15cc9,#3fae9f,#f0c020,#e2682b,#c0334d,#9ec13a,#b15cc9);
  background-size:300% auto;-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  animation:flow 9s linear infinite,titlein 1s ease both;
  margin-bottom:clamp(22px,3.6vw,42px);filter:drop-shadow(0 4px 30px rgba(177,92,201,.25))}
@keyframes flow{to{background-position:300% center}}
/* L'apparition du titre animait `letter-spacing` pendant une seconde. C'est
   une propriete de MISE EN PAGE : a chaque image, la largeur du titre change,
   il se recoupe en lignes differentes, et tout le bandeau bouge sous lui.
   Lighthouse attribuait le decalage a .hero-stage — le conteneur pousse, pas
   le titre lui-meme.
   Verifie en bloquant les polices : le decalage restait, ce n'etait donc pas
   un remplacement de police mais bien cette animation.
   `opacity` et `filter` suffisent a l'effet et n'entrainent aucun recalcul :
   le titre apparait toujours en fondu, depuis un flou. Seul l'ecartement des
   lettres ne s'anime plus. */
@keyframes titlein{from{opacity:0;filter:blur(8px)}to{opacity:1;filter:blur(0)}}
.cc-frame{position:relative;display:inline-block;line-height:0;border-radius:3px;
  -webkit-box-reflect:below 8px linear-gradient(transparent 58%,rgba(0,0,0,.28));
  animation:rise 1.3s cubic-bezier(.16,.84,.24,1) .15s both}
@keyframes rise{from{opacity:0;transform:translateY(46px) scale(.97)}to{opacity:1;transform:none}}
.cc-photo{max-width:min(92vw,820px);max-height:50vh;width:auto;height:auto;
  border-radius:3px;display:block;box-shadow:0 30px 80px -30px rgba(0,0,0,.8);
  transition:transform .25s cubic-bezier(.2,.7,.2,1);transform-style:preserve-3d;will-change:transform}
.cc-shine{position:absolute;inset:0;overflow:hidden;border-radius:3px;pointer-events:none}
/* L'effet de brillance animait la propriete `left`, qui appartient a la mise
   en page : le navigateur recalculait la position de tout le bandeau a chaque
   image. Lighthouse comptait onze micro-decalages pour ce seul effet, et le
   signalait comme animation non composee.
   Anime en `transform`, il est traite par la carte graphique : meme trajet a
   l'oeil, aucun recalcul. Le deplacement vaut 220 % de la largeur du parent,
   soit 489 % de celle de l'element, qui en fait 45 %. */
.cc-shine::before{content:"";position:absolute;top:-50%;left:-70%;width:45%;height:200%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.4),transparent);
  transform:translateX(0) skewX(-16deg);will-change:transform;
  animation:sweep 7s ease-in-out 2s infinite}
@keyframes sweep{0%{transform:translateX(0) skewX(-16deg)}
  22%,100%{transform:translateX(489%) skewX(-16deg)}}
.cc-sub{color:#d6d0c6;margin-top:clamp(28px,4.2vw,50px);font-size:clamp(.95rem,1.4vw,1.18rem);
  font-weight:300;letter-spacing:.015em;animation:fadein 1.1s ease .5s both}
@keyframes fadein{from{opacity:0;transform:translateY(14px)}to{opacity:1}}
.hero-cta{display:inline-block;margin-top:30px;border:1px solid rgba(255,255,255,.55);color:#fff;
  padding:14px 32px;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
  border-radius:40px;transition:.3s;animation:fadein 1.1s ease .7s both}
.hero-cta:hover{background:#fff;color:#111;border-color:#fff}
.hero-scroll{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:2;
  color:#fff;font-size:2.1rem;line-height:1;opacity:.55;animation:bob 2.2s ease-in-out infinite}
.hero-scroll:hover{opacity:1}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,9px)}}
@media(prefers-reduced-motion:reduce){
  .cc-aura,.cc-title,.cc-frame,.cc-shine::before,.cc-sub,.hero-cta,.hero-scroll{animation:none}
  .cc-title{background-position:0 center}
}

/* ---------- SECTION SHELLS ---------- */
section{padding:clamp(64px,9vw,120px) clamp(20px,5vw,48px)}
.section-eyebrow{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--accent);font-weight:500;margin-bottom:14px}
.section-head{max-width:var(--max);margin:0 auto clamp(38px,5vw,60px)}
.section-head h2{font-size:clamp(2rem,4.4vw,3.2rem)}
.section-intro{max-width:42em;margin-top:16px;color:var(--ink-soft);font-size:1.05rem}

/* ---------- À PROPOS ---------- */
.apropos{max-width:var(--max);margin:0 auto;display:grid;
  grid-template-columns:0.85fr 1fr;gap:clamp(30px,5vw,72px);align-items:center}
.apropos-media{position:relative}
.apropos-media img{width:100%;border-radius:6px;box-shadow:0 24px 60px -24px rgba(0,0,0,.45)}
.apropos-media::before{content:"";position:absolute;inset:18px -18px -18px 18px;
  border:1px solid var(--accent-2);border-radius:6px;z-index:-1;opacity:.5}
.apropos-text h2{font-size:clamp(2.2rem,4.6vw,3.4rem);margin-bottom:22px}
.apropos-text p{margin-bottom:18px;color:var(--ink-soft);font-size:1.06rem}
.signature{font-family:var(--serif);font-style:italic;font-size:1.3rem!important;
  color:var(--ink)!important;margin-top:8px}

/* ---------- DÉMARCHE ---------- */
.demarche{max-width:var(--max);margin:0 auto;padding:clamp(60px,8vw,110px) clamp(20px,5vw,40px)}
.prose{max-width:64ch;margin:0 auto}
.prose p{margin-bottom:20px;color:var(--ink-soft);font-size:1.06rem;line-height:1.7}
.prose a{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .3s}
.prose a:hover{border-color:var(--accent)}

/* ---------- GALLERY ---------- */
.gallery-section{background:var(--canvas-2)}
.section-head{position:relative}
.masonry{max-width:var(--max);margin:0 auto;column-count:3;column-gap:18px}
.tile{margin:0 0 18px;break-inside:avoid;border-radius:6px;overflow:hidden;
  cursor:pointer;position:relative;background:#ddd;
  box-shadow:0 8px 24px -16px rgba(0,0,0,.4)}
.tile img{width:100%;height:auto;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.tile::after{content:"";position:absolute;inset:0;background:rgba(28,26,24,0);transition:.4s}
.tile:hover img{transform:scale(1.06)}
.tile:hover::after{background:rgba(28,26,24,.12)}

/* ---------- FRESQUES ---------- */
.fresques-grid{max-width:var(--max);margin:0 auto;display:grid;
  grid-template-columns:1.4fr 1fr;gap:18px;align-items:stretch}
.fresques-grid .tile{margin:0}
.fresques-grid .tile img{width:100%;height:100%;object-fit:cover}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--ink);color:#f4efe8;text-align:center;
  padding:clamp(56px,8vw,90px) 24px}
.footer-logo{height:60px;width:auto;margin:0 auto 26px;opacity:.95}
.footer-name{font-family:var(--serif);font-size:1.7rem}
.footer-role{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;
  opacity:.65;margin-top:8px}
.footer-mail{display:table;margin:20px auto 0;font-size:1.05rem;color:#f4efe8;
  border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:2px;transition:.3s}
.footer-mail:hover{border-color:#fff;color:#fff}
.footer-top{display:inline-block;margin:26px 0 24px;font-size:.78rem;letter-spacing:.12em;
  text-transform:uppercase;border:1px solid rgba(255,255,255,.3);padding:11px 26px;border-radius:30px;transition:.3s}
.footer-top:hover{background:rgba(255,255,255,.12)}
.footer-fine{font-size:.74rem;opacity:.45;letter-spacing:.04em}

/* ---------- LIGHTBOX ---------- */
.lightbox{position:fixed;inset:0;z-index:90;display:none;
  align-items:center;justify-content:center;background:rgba(16,13,11,.94);
  opacity:0;transition:opacity .3s}
.lightbox.open{display:flex;opacity:1}
body.lb-open{overflow:hidden}
body.lb-open .site-header{opacity:0;pointer-events:none}
.lb-img{max-width:90vw;max-height:88vh;border-radius:4px;
  box-shadow:0 30px 80px rgba(0,0,0,.6);animation:lbpop .35s ease}
@keyframes lbpop{from{transform:scale(.96);opacity:0}to{transform:scale(1);opacity:1}}
.lb-close,.lb-prev,.lb-next{position:absolute;background:none;border:0;color:#fff;
  cursor:pointer;opacity:.8;transition:opacity .25s;user-select:none}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{opacity:1}
.lb-close{top:22px;right:28px;font-size:2.6rem;line-height:1}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);font-size:3.4rem;padding:0 24px}
.lb-prev{left:8px}.lb-next{right:8px}

/* ---------- BYLINE (auteur + date) ---------- */
.byline{margin-top:16px;font-size:.82rem;color:var(--ink-soft);letter-spacing:.01em}
.byline span[rel="author"]{color:var(--ink);font-weight:500}
.apropos-text a,.section-intro a{color:var(--accent);text-decoration:none;
  border-bottom:1px solid rgba(192,51,77,.3);transition:border-color .3s}
.apropos-text a:hover,.section-intro a:hover{border-color:var(--accent)}

/* ---------- FAQ ---------- */
.faq-section{max-width:var(--max);margin:0 auto}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);padding:6px 0}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 4px;font-family:var(--serif);
  font-size:1.35rem;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--accent);font-family:var(--sans);
  font-weight:300;font-size:1.6rem;transition:transform .3s;line-height:1}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 4px 20px;color:var(--ink-soft);max-width:70ch}
.faq-item a{color:var(--accent)}

/* ---------- FOOTER : nav interne + écosystème ---------- */
.footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;margin:30px auto 8px;max-width:640px}
.footer-nav a{font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;
  color:rgba(244,239,232,.7);transition:color .3s}
.footer-nav a:hover{color:#fff}
.footer-groupe{margin:34px auto 10px;max-width:760px}
.footer-groupe-title{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(244,239,232,.45);margin-bottom:14px}
.footer-links{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;
  gap:8px 10px;padding:0}
.footer-links a{display:inline-block;font-size:.8rem;color:rgba(244,239,232,.72);
  border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:5px 14px;transition:.3s}
.footer-links a:hover{color:#fff;border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.06)}

/* ---------- BANDEAU COOKIES ---------- */
.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:80;
  max-width:640px;margin:0 auto;background:rgba(28,26,24,.97);color:#f4efe8;
  border:1px solid rgba(255,255,255,.12);border-radius:14px;
  box-shadow:0 18px 50px -18px rgba(0,0,0,.6);backdrop-filter:blur(8px);
  padding:18px 20px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;
  animation:cookiein .5s ease both}
@keyframes cookiein{from{opacity:0;transform:translateY(20px)}to{opacity:1}}
.cookie-text{flex:1 1 300px;font-size:.86rem;line-height:1.5;color:rgba(244,239,232,.85)}
.cookie-actions{display:flex;gap:10px;flex-shrink:0}
.cookie-btn{font-size:.82rem;letter-spacing:.03em;padding:9px 20px;border-radius:24px;
  border:1px solid transparent;background:var(--accent);color:#fff;cursor:pointer;transition:.25s}
.cookie-btn:hover{filter:brightness(1.1)}
.cookie-btn--ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#f4efe8}
.cookie-btn--ghost:hover{background:rgba(255,255,255,.08);filter:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:900px){
  .masonry{column-count:2}
  .apropos{grid-template-columns:1fr;gap:34px}
  .apropos-media::before{display:none}
  .fresques-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  .hero-title{font-size:clamp(2.4rem,11vw,3.4rem)}
  .hero-inner{padding-right:clamp(20px,5vw,48px)}
  .site-nav{position:fixed;inset:0 0 0 auto;width:min(80vw,290px);
    flex-direction:column;justify-content:center;align-items:center;gap:26px;text-align:center;
    background:var(--ink);padding:40px 28px;transform:translateX(100%);transition:transform .4s;z-index:45}
  .site-nav.open{transform:translateX(0)}
  .site-nav a{color:#fff!important;text-shadow:none;font-size:.92rem;letter-spacing:.05em}
  .site-header.scrolled .site-nav a{color:#fff}
  .nav-toggle{display:flex;z-index:50}
  .masonry{column-count:1}
  .lb-prev,.lb-next{font-size:2.4rem;padding:0 12px}
}