/* IKRA Construction & Design : feuille de style commune */
:root{
  --pierre:#F4F4F1; --blanc:#FBFBF9; --graphite:#22262A; --noyer:#5A4535; --laiton:#9C7F4E;
  --gris:#6F7479; --trait:#D9D8D3;
  --serif:"Bodoni Moda","Didot","Times New Roman",serif;
  --sans:"Instrument Sans","Helvetica Neue",Arial,sans-serif;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 5rem);scroll-behavior:smooth}
body{margin:0;background:var(--pierre);color:var(--graphite);font-family:var(--sans);font-size:1.0625rem;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-underline-offset:3px;text-decoration-color:var(--laiton)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--laiton);outline-offset:3px}
.saut{position:absolute;left:-999px;top:0;background:var(--graphite);color:var(--pierre);padding:.6rem 1rem;z-index:20}
.saut:focus{left:1rem}
.wrap{max-width:1200px;margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}
.texte{max-width:40rem}

/* En-tête collant */
.entete{position:sticky;top:0;z-index:10;background:rgba(244,244,241,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--trait);padding-top:env(safe-area-inset-top,0px)}
.entete-in{display:flex;align-items:center;gap:2rem;padding-top:1.1rem;padding-bottom:1.1rem;position:relative}
.logo{display:flex;flex-direction:column;text-decoration:none;line-height:1}
.logo-nom{font-family:var(--serif);font-size:1.6rem;letter-spacing:.12em}
.logo-sous{font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--laiton);margin-top:.3rem}
.nav{display:flex;gap:1.6rem;font-size:.93rem;margin-left:auto}
.nav a{text-decoration:none;color:var(--gris);padding:.2rem 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a[aria-current]{color:var(--graphite);border-bottom-color:var(--laiton)}
.entete-tel{font-size:.9rem;text-decoration:none;border:1px solid var(--graphite);padding:.5rem .9rem;white-space:nowrap}
.entete-tel:hover{background:var(--graphite);color:var(--pierre)}
.menu-mobile{display:none}
@media (max-width:1080px){.entete-tel{display:none}}
@media (max-width:900px){
  .nav{display:none}
  .menu-mobile{display:block;margin-left:auto}
  .menu-mobile summary{cursor:pointer;list-style:none;padding:.4rem 0;border-bottom:1px solid var(--laiton)}
  .menu-mobile summary::-webkit-details-marker{display:none}
  .menu-mobile nav{position:absolute;left:0;right:0;top:100%;background:var(--pierre);border-bottom:1px solid var(--trait);display:flex;flex-direction:column;padding:.5rem clamp(1.25rem,4vw,2.5rem) 1.5rem}
  .menu-mobile nav a{padding:.8rem 0;font-family:var(--serif);font-size:1.45rem;border-bottom:1px solid var(--trait);text-decoration:none}
}

.ariane{font-size:.85rem;color:var(--gris);padding-top:1.25rem}
.ariane ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.4rem}
.ariane li+li::before{content:"/";margin-right:.4rem;color:var(--trait)}
.ariane a{text-decoration:none}

/* Ouverture */
.surtitre{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--laiton);margin:0 0 1.25rem}
.ouverture{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:end;padding-top:clamp(2.5rem,6vw,5rem);padding-bottom:clamp(3rem,7vw,6rem)}
.ouverture-large{grid-template-columns:1.3fr 1fr;padding-left:0;padding-right:0;padding-top:clamp(2.5rem,5vw,4rem)}
.ouverture-contact{align-items:start}
.ouverture-texte{grid-template-columns:1fr;max-width:1200px}
.ouverture-texte h1{max-width:18ch}
h1{font-family:var(--serif);font-weight:400;font-size:clamp(2.5rem,6vw,5rem);line-height:1.03;letter-spacing:-.01em;margin:0 0 1.75rem}
.ouverture-large h1{margin:0}
.chapeau{font-size:1.17rem;line-height:1.6;max-width:34rem;margin:0 0 2rem}
.actions{display:flex;flex-wrap:wrap;gap:1rem 1.5rem;align-items:center}
.bouton{display:inline-block;background:var(--graphite);color:var(--pierre);padding:1rem 1.7rem;text-decoration:none;font-weight:500;font-family:var(--sans);font-size:1rem;border:0;cursor:pointer;transition:background .25s}
.bouton:hover{background:var(--noyer)}
.bouton-clair{background:var(--pierre);color:var(--graphite)}
.bouton-clair:hover{background:#fff}
.tel{text-decoration:none;border-bottom:1px solid var(--laiton);padding-bottom:2px}
@media (max-width:860px){.ouverture,.ouverture-large{grid-template-columns:1fr}}

/* Photos */
.photo{background:linear-gradient(160deg,#cfccc5,#a9a49b);position:relative;color:#fff;overflow:hidden}
.photo .note{position:absolute;left:1rem;bottom:1rem;right:1rem;font-size:.8rem;background:rgba(34,38,42,.75);padding:.6rem .75rem;margin:0}
.photo-hero{aspect-ratio:4/5}
.photo-large{aspect-ratio:21/9;margin-top:clamp(1.5rem,3vw,2.5rem)}
@media (max-width:760px){.photo-large{aspect-ratio:4/3}}
.photo img{width:100%;height:100%;object-fit:cover}

/* Nuancier */
.nuancier{display:grid;grid-template-columns:repeat(7,1fr);border-top:1px solid var(--trait);border-bottom:1px solid var(--trait)}
.teinte{padding:1.1rem 1rem 1.25rem;border-right:1px solid var(--trait)}
.teinte:last-child{border-right:0}
.echantillon{height:7rem;margin-bottom:.9rem;transition:transform .5s ease}
.teinte:hover .echantillon{transform:scale(1.03)}
.teinte strong{display:block;font-weight:500}
.teinte span{font-size:.86rem;color:var(--gris)}
@media (max-width:900px){.nuancier{grid-template-columns:repeat(3,1fr)}.teinte{border-bottom:1px solid var(--trait)}}
@media (max-width:560px){.nuancier{grid-template-columns:repeat(2,1fr)}}

/* Sections */
section{padding:clamp(3.5rem,8vw,6.5rem) 0}
h2{font-family:var(--serif);font-weight:400;font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.12;margin:0 0 1.5rem}
h3{font-size:1.1rem;font-weight:600;margin:0 0 .5rem}
p{margin:0 0 1.1rem}
.deux{display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(2rem,6vw,5rem)}
.note-cote{font-family:var(--serif);font-style:italic;font-size:1.25rem;line-height:1.45;color:var(--noyer);border-top:1px solid var(--laiton);padding-top:1.25rem;max-width:22rem}
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem;margin-top:2.5rem}
.points p{color:var(--gris);font-size:1rem}
.points-sombre p{color:#C4C6C8}
.points-sombre h3{color:var(--pierre)}
@media (max-width:860px){.deux,.points{grid-template-columns:1fr}}
.sombre{background:var(--graphite);color:var(--pierre)}
.sombre p{color:#C4C6C8}
.sombre a{color:var(--pierre)}
.suite{margin-top:2rem;color:var(--gris)}

/* Activités */
.activites{border-top:1px solid var(--trait)}
.activite{display:grid;grid-template-columns:1fr 1.3fr auto;gap:2rem;align-items:baseline;padding:2.25rem 0;border-bottom:1px solid var(--trait);text-decoration:none;transition:padding .3s}
.activite .nom{font-family:var(--serif);font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.1;transition:color .3s}
.activite p{margin:0;color:var(--gris)}
.activite .voir{font-size:.95rem;border-bottom:1px solid var(--laiton);white-space:nowrap}
.activite:hover{padding-left:.75rem}
.activite:hover .nom{color:var(--noyer)}
@media (max-width:860px){.activite{grid-template-columns:1fr;gap:.75rem}.activite .voir{justify-self:start}.activite:hover{padding-left:0}}

/* Étapes */
.etapes{list-style:none;margin:3rem 0 0;padding:0;counter-reset:e}
.etapes li{counter-increment:e;display:grid;grid-template-columns:5rem 1fr;gap:1.5rem;padding:1.75rem 0;border-top:1px solid #3A3F44}
.etapes li::before{content:counter(e);font-family:var(--serif);font-size:2.6rem;line-height:1;color:var(--laiton)}
.etapes h3{font-size:1.2rem;color:var(--pierre)}
.etapes p{margin:0;max-width:40rem}
@media (max-width:560px){.etapes li{grid-template-columns:3rem 1fr;gap:1rem}}

/* Galerie et projets */
.galerie{display:grid;grid-template-columns:2fr 1fr;gap:1rem;margin-top:2.5rem}
.galerie .photo{aspect-ratio:4/3}
.galerie .photo:first-child{grid-row:span 2;aspect-ratio:auto;min-height:28rem}
@media (max-width:760px){.galerie{grid-template-columns:1fr}.galerie .photo:first-child{min-height:20rem}}
.filtres{display:flex;flex-wrap:wrap;gap:.75rem}
.filtres a{border:1px solid var(--graphite);padding:.5rem 1rem;text-decoration:none;font-size:.92rem}
.filtres a:hover{background:var(--graphite);color:var(--pierre)}
.projets{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.projet .photo{aspect-ratio:4/5;margin-bottom:1rem}
.projet p{color:var(--gris);font-size:.95rem}
@media (max-width:860px){.projets{grid-template-columns:1fr}}

.encart{border-left:3px solid var(--laiton);padding:.25rem 0 .25rem 2rem}
.zones{display:flex;flex-wrap:wrap;gap:.6rem 2rem;margin:1.5rem 0 0;padding:0;list-style:none;font-family:var(--serif);font-size:1.4rem}

/* FAQ */
.faq{padding-top:0}
.faq details{border-top:1px solid var(--trait);padding:1.25rem 0}
.faq details:last-of-type{border-bottom:1px solid var(--trait)}
.faq summary{cursor:pointer;font-weight:500;font-size:1.1rem;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--serif);font-size:1.5rem;line-height:1;color:var(--laiton)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:1rem 0 0;color:var(--gris);max-width:46rem}

/* Articles */
.article-tete{padding-top:clamp(2.5rem,6vw,5rem);padding-bottom:2rem}
.article-tete h1{max-width:20ch}
.article-corps{max-width:42rem;padding-bottom:4rem}
.article-corps h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-top:3rem}
.article-corps h3{margin-top:2rem}

/* Coordonnées */
.coord{display:flex;flex-wrap:wrap;gap:2.5rem;margin-top:2rem}
.coord a{font-size:1.25rem;text-decoration:none;border-bottom:1px solid var(--laiton)}
.coord small{display:block;color:#9A9EA2;font-size:.85rem;margin-bottom:.3rem}
.coord-clair{flex-direction:column;gap:1.25rem}
.coord-clair small{color:var(--gris)}

/* Formulaire */
.formulaire{display:flex;flex-direction:column;gap:1.25rem;background:var(--blanc);padding:clamp(1.5rem,4vw,2.5rem);border:1px solid var(--trait)}
.champ{display:flex;flex-direction:column;gap:.4rem}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
@media (max-width:560px){.duo{grid-template-columns:1fr}}
label{font-size:.92rem;font-weight:500}
input,select,textarea{font:inherit;color:inherit;background:var(--pierre);border:1px solid var(--trait);padding:.8rem .9rem;border-radius:0;width:100%}
textarea{resize:vertical}
.piege{position:absolute;left:-9999px}
.mention{font-size:.85rem;color:var(--gris);margin:0}
.formulaire .bouton{align-self:flex-start}
.erreur{background:var(--blanc);border-left:3px solid #A33A2E;padding:1rem 1.25rem;margin:0 0 1rem}

/* Pied de page */
footer{border-top:1px solid var(--trait);padding:3.5rem 0 1.5rem;font-size:.92rem;color:var(--gris);background:var(--blanc)}
.pied{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
.pied nav,.pied>div:last-child{display:flex;flex-direction:column;gap:.45rem}
.pied strong{color:var(--graphite);font-weight:600;margin-bottom:.3rem}
.pied a{text-decoration:none}
.pied a:hover{color:var(--graphite)}
.pied .logo{color:var(--graphite);margin-bottom:1rem}
.pied p{max-width:20rem}
.mentions{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;border-top:1px solid var(--trait);margin-top:2.5rem;padding-top:1.25rem;font-size:.85rem}
@media (max-width:900px){.pied{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.pied{grid-template-columns:1fr}}

/* Boutons flottants (mobile) */
.flottant{display:none}
@media (max-width:760px){
  .flottant{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:15;padding-bottom:env(safe-area-inset-bottom,0px);background:var(--graphite)}
  .flottant a{color:var(--pierre);text-align:center;padding:1rem;text-decoration:none;font-weight:500}
  .flottant a+a{border-left:1px solid #3A3F44}
  body{padding-bottom:3.5rem}
}

/* Apparition au défilement */
@media (prefers-reduced-motion:no-preference){
  .js .rv{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}
  .js .rv.vu{opacity:1;transform:none}
  h1{animation:entre .9s ease-out both}
  @keyframes entre{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
}

/* Liste des communes */
.communes{list-style:none;margin:2rem 0 0;padding:0;columns:4 12rem;column-gap:2rem}
.communes li{padding:.45rem 0;border-bottom:1px solid var(--trait);break-inside:avoid}

/* Photos réelles */
figure.photo{margin:0}
.photo.reel{background:#d9d6d0}
.photo.reel img{width:100%;height:100%;object-fit:cover;display:block}
.photo.reel figcaption{position:absolute;left:0;right:0;bottom:0;padding:2.5rem 1rem .8rem;font-size:.85rem;color:#fff;background:linear-gradient(transparent,rgba(20,22,24,.72))}
.photo-hero.reel figcaption{font-size:.8rem}
.galerie .photo.reel{min-height:0}
.galerie .photo.reel:first-child{min-height:28rem}
.mention-photo{font-size:.8rem;color:var(--gris);margin-top:.9rem}
.triptyque{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2.5rem}
.triptyque .photo{aspect-ratio:4/5}
.triptyque figcaption strong{display:block;font-family:var(--serif);font-weight:400;font-size:1.4rem;color:#fff}
@media (max-width:760px){.triptyque{grid-template-columns:1fr}.triptyque .photo{aspect-ratio:4/3}}
.deux .photo.reel{aspect-ratio:4/5;margin-top:1.5rem;max-width:30rem}

/* Accueil : mosaïque des activités */
.ouverture-accueil{grid-template-columns:1.3fr 1fr;padding-bottom:clamp(2rem,4vw,3rem)}
.ouverture-accueil h1{margin:0}
.mosaique{display:grid;grid-template-columns:1.25fr 1fr 1fr;grid-template-rows:repeat(2,minmax(15rem,22vw));gap:.75rem;margin-bottom:clamp(3rem,7vw,5rem)}
.tuile{position:relative;overflow:hidden;display:block;background:#d9d6d0;color:#fff;text-decoration:none}
.tuile img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.tuile:hover img{transform:scale(1.04)}
.tuile-0{grid-row:span 2}
.tuile-txt{position:absolute;left:0;right:0;bottom:0;padding:3rem 1.1rem 1rem;background:linear-gradient(transparent,rgba(20,22,24,.75))}
.tuile-txt strong{display:block;font-family:var(--serif);font-weight:400;font-size:clamp(1.4rem,2.2vw,2rem);line-height:1.1}
.tuile-txt span{font-size:.85rem;opacity:.9}
@media (max-width:860px){.ouverture-accueil{grid-template-columns:1fr}.mosaique{grid-template-columns:1fr 1fr;grid-template-rows:none;grid-auto-rows:13rem}.tuile-0{grid-row:span 1;grid-column:span 2}}
.duo-photos{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.duo-photos .photo{aspect-ratio:4/5}

/* Correctif : bouton clair lisible sur fond sombre */
.sombre a.bouton-clair,.bouton-clair{color:var(--graphite)}
.sombre a.bouton-clair:hover{background:#fff;color:var(--graphite)}