/* Arena Design — feuille de style */
@font-face{font-family:'Jost';src:url(../fonts/Jost-VariableFont_wght.ttf) format('truetype');font-weight:100 900;font-style:normal;font-display:swap}
:root{
  --marine:#232B4A; --marine-fonce:#1E2540; --nuit:#1B2139;
  --rose:#F27173; --rose-clair:#F8A3A4; --rose-texte:#B23A3D;
  --gris:#F6F5F8; --texte-doux:#3D4563; --gris-noir:#2A2D30; --bord:#C9CCD6;
  --police:'Jost','Century Gothic','Trebuchet MS',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font-family:var(--police);color:var(--marine);background:#fff;font-size:18px;line-height:1.5}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,p,ul,ol{margin:0}
ul,ol{padding:0}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--rose);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:12px 16px;z-index:50}
.skip:focus{left:8px;top:8px}
.contenu{max-width:1200px;margin:0 auto}
.section{padding:80px 5%}
.section--gris{background:var(--gris)}
.titre{font-size:34px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;line-height:1.2}
.filet{width:36px;height:3px;background:var(--rose)}
.bouton{display:inline-flex;align-items:center;min-height:50px;padding:0 28px;border-radius:4px;border:2px solid transparent;font-size:14px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;transition:transform .2s ease,background .2s ease,color .2s ease}
.bouton:hover{transform:translateY(-2px)}
.bouton--rose{background:var(--rose);color:var(--marine-fonce)}
.bouton--rose:hover{background:#F58A8C}
.bouton--contour{border-color:#fff;color:#fff}
.bouton--contour:hover{background:#fff;color:var(--marine)}

/* Bandeau */
.bandeau{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid #E6E8E8;padding:10px 4%;display:flex;align-items:center;justify-content:space-between;gap:8px 20px}
.bandeau__logo{display:inline-flex;align-items:center;min-height:44px;flex-shrink:0}
.bandeau__logo img{height:40px;width:auto}
.menu{display:flex;align-items:center;gap:2px}
.menu a.lien{display:inline-flex;align-items:center;min-height:44px;padding:0 11px;font-size:12.5px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;color:var(--gris-noir);transition:color .2s ease}
.menu a.lien:hover{color:var(--rose-texte)}
.reseaux{display:flex;align-items:center;margin-left:6px}
.reseaux a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:44px;color:var(--gris-noir);transition:color .2s ease}
.reseaux a:hover{color:var(--rose-texte)}
.burger{display:none;width:44px;height:44px;border:0;background:transparent;color:var(--gris-noir);cursor:pointer;align-items:center;justify-content:center}

/* Accueil */
.accueil{position:relative;padding:40px 5%;background:url(../images/accueil-fond.jpg) center/cover no-repeat}
.accueil::before{content:"";position:absolute;inset:0;background:rgba(35,43,74,.78)}
.accueil__texte{position:relative;max-width:1200px;margin:0 auto;min-height:520px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;text-align:center;color:#fff}
.surtitre{font-size:13px;font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:var(--rose-clair)}
.accueil h1{max-width:900px;font-size:clamp(36px,5vw,64px);line-height:1.05;font-weight:600;letter-spacing:.01em}
.accueil p{max-width:560px;font-size:20px}
.accueil__boutons{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}

/* Animation d'ouverture */
.intro{position:fixed;inset:0;z-index:100;background:#fff;display:flex;align-items:center;justify-content:center;pointer-events:none;animation:introVoile .35s ease-out 1.1s forwards}
.intro svg{width:200px;height:200px;animation:introDiffuse .35s ease-out 1.05s forwards}
.intro circle{transform-box:fill-box;transform-origin:center;stroke-dasharray:100;stroke-dashoffset:100;animation:introTrace 1.1s cubic-bezier(.6,0,.2,1) forwards}
.intro .a1{--fin:30;--tour:200deg}.intro .a2{--fin:40;--tour:-160deg}.intro .a3{--fin:48;--tour:240deg}.intro .a4{--fin:60;--tour:-200deg}
@keyframes introTrace{to{stroke-dashoffset:var(--fin);transform:rotate(var(--tour))}}
@keyframes introDiffuse{to{transform:scale(1.5);opacity:0}}
@keyframes introVoile{to{opacity:0;visibility:hidden}}
.sans-intro .intro{display:none}

/* Apparitions au défilement */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease-out,transform .6s ease-out;transition-delay:var(--d,0s)}
.js .reveal.vu{opacity:1;transform:none}

/* Services */
.grille-services{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px;margin-top:36px}
.carte{display:flex;flex-direction:column;background:var(--gris);border-radius:6px;overflow:hidden;transition:box-shadow .25s ease,translate .25s ease}
.carte:hover{translate:0 -6px;box-shadow:0 12px 28px rgba(35,43,74,.14)}
.carte__image{overflow:hidden;aspect-ratio:16/9}
.carte__image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.carte:hover .carte__image img{transform:scale(1.06)}
.carte__texte{padding:26px 28px 30px;display:flex;flex-direction:column;gap:12px}
.carte h3{font-size:22px;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.carte__accroche{font-size:17px;line-height:1.4;font-weight:500}
.carte ul{margin-top:4px;padding-left:20px;font-size:16px;line-height:1.45;color:var(--texte-doux)}
.carte li{padding:3px 0}
.carte li::marker,.detail li::marker{color:var(--rose)}
.carte--projet{justify-content:center;align-items:flex-start;gap:18px;background:var(--marine);color:#fff;padding:40px 32px}
.carte--projet h3{font-size:28px;line-height:1.15;letter-spacing:.04em}

/* Réalisations */
.filtres{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.filtre{min-height:44px;padding:0 20px;border-radius:22px;background:transparent;color:var(--marine);border:2px solid var(--bord);font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease}
.filtre:hover{border-color:var(--marine)}
.filtre[aria-pressed="true"]{background:var(--marine);color:#fff;border-color:var(--marine)}
.grille-rea{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:32px 28px;margin-top:32px}
.rea{display:flex;flex-direction:column;gap:12px;min-width:0}
.rea[hidden]{display:none}
.rea__image{overflow:hidden;border-radius:6px;aspect-ratio:4/3}
.rea__image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rea:hover .rea__image img{transform:scale(1.06)}
.etiquette{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--rose-texte)}
.rea__titre{font-size:18px;font-weight:500;line-height:1.3}

/* Projet ouvert */
.projet{width:min(1080px,calc(100% - 28px));max-height:calc(100% - 28px);border:0;border-radius:8px;padding:0;color:var(--marine);overflow:auto}
.projet__boite{position:relative;padding:32px}
.projet::backdrop{background:rgba(27,33,57,.9)}
.projet__corps{display:flex;flex-wrap:wrap;gap:32px}
.projet__visuel{flex:1.6 1 380px;min-width:0;display:flex;flex-direction:column;gap:12px}
.projet__grande{width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--gris);border-radius:6px}
.projet__vignettes{display:flex;flex-wrap:wrap;gap:12px}
.projet__vignettes button{padding:0;border:0;background:none;cursor:pointer;border-radius:4px;overflow:hidden;width:96px;aspect-ratio:4/3}
.projet__vignettes img{width:100%;height:100%;object-fit:cover}
.projet__vignettes button[aria-current="true"]{outline:3px solid var(--rose);outline-offset:-3px}
.projet__texte{flex:1 1 280px;min-width:0;display:flex;flex-direction:column;gap:16px;padding-top:8px}
.projet__texte h3{font-size:30px;line-height:1.15;font-weight:600;letter-spacing:.02em;padding-right:40px}
.detail{padding-left:20px;font-size:17px;color:var(--texte-doux)}
.detail li{padding:4px 0}
.projet__description{font-size:17px;color:var(--texte-doux)}
.lien-rose{align-self:flex-start;display:inline-flex;align-items:center;min-height:44px;font-weight:500;color:var(--rose-texte);border-bottom:2px solid var(--rose);overflow-wrap:anywhere}
.projet__nav{margin-top:auto;padding-top:12px;display:flex;gap:10px}
.rond{width:48px;height:48px;border-radius:50%;border:2px solid var(--marine);background:#fff;color:var(--marine);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s ease,color .2s ease}
.rond:hover{background:var(--marine);color:#fff}
.projet__fermer{position:absolute;top:10px;right:10px;width:44px;height:44px;border:0;background:transparent;color:var(--marine);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}

/* Profil */
.profil{display:flex;flex-wrap:wrap;align-items:center;gap:56px}
.profil__texte{flex:1.2 1 380px;min-width:0;display:flex;flex-direction:column;gap:20px}
.profil__texte h3{font-size:22px;font-weight:600}
.profil__texte p{line-height:1.6;color:var(--texte-doux)}
.artisan{margin-top:8px;display:flex;align-items:center;gap:16px;font-size:17px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.artisan img{height:72px;width:auto}
.profil__photo{flex:1 1 320px;min-width:0}
.profil__photo img{width:100%;max-width:460px;margin:0 auto;aspect-ratio:3/4;object-fit:cover;border-radius:6px}
.deroule{background:var(--marine);color:#fff;padding:80px 5%}
.deroule .titre{text-align:center;font-size:32px}
.deroule__piste{position:relative;max-width:1100px;margin:52px auto 0}
.ligne{position:absolute;top:41px;left:12%;right:12%;height:3px;background:var(--rose);transform-origin:left center}
.js .ligne{transform:scaleX(0);transition:transform 1.7s ease-out}
.js .deroule__piste.vu .ligne{transform:scaleX(1)}
.pas-liste{position:relative;list-style:none;display:flex;flex-wrap:wrap;gap:40px 24px}
.pas{flex:1 1 210px;min-width:0;display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.js .pas{opacity:0;transform:scale(.6);transition:opacity .55s ease-out,transform .55s cubic-bezier(.2,.9,.3,1.3);transition-delay:var(--d,0s)}
.js .deroule__piste.vu .pas{opacity:1;transform:none}
.disque{width:84px;height:84px;border-radius:50%;background:var(--rose);color:var(--marine-fonce);display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 8px var(--marine);transition:background .25s ease,scale .25s ease}
.pas:hover .disque{background:#fff;scale:1.08}
.pas__numero{font-size:26px;line-height:1;font-weight:600;letter-spacing:.12em;color:var(--rose-clair)}
.pas__titre{font-size:18px;line-height:1.3;font-weight:500;max-width:220px}

/* Contact */
.contact{display:flex;flex-wrap:wrap;gap:48px;margin-top:36px}
.formulaire{flex:1.2 1 380px;min-width:0;background:var(--marine);color:#fff;border-radius:8px;padding:40px;display:flex;flex-direction:column;gap:20px}
.champ-bloc{display:flex;flex-direction:column;gap:6px}
.champ-bloc label{font-size:14px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.champ{font-family:inherit;width:100%;border:1px solid var(--bord);border-radius:4px;background:#fff;color:var(--marine);font-size:17px;padding:12px 14px;min-height:50px;transition:border-color .2s ease,box-shadow .2s ease}
textarea.champ{resize:vertical;min-height:130px}
.champ:focus{outline:none;border-color:var(--rose);box-shadow:0 0 0 3px rgba(242,113,115,.6)}
.champ::placeholder{color:#6B728C}
.piege{position:absolute;left:-9999px}
.formulaire .bouton{align-self:flex-start;border:0}
.coordonnees{flex:1 1 300px;min-width:0;display:flex;flex-direction:column;gap:22px;padding-top:8px}
.coordonnees h3{font-size:24px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.coordonnees p{line-height:1.55;color:var(--texte-doux)}
.coordonnees strong{color:var(--marine)}
.infos{list-style:none;display:flex;flex-direction:column;gap:8px}
.infos li{display:flex;align-items:center;gap:14px;min-height:44px;overflow-wrap:anywhere}
.pastille{width:40px;height:40px;border-radius:50%;background:var(--gris);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.infos a{border-bottom:2px solid var(--rose)}
.actu{font-size:14px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.reseaux-ronds{display:flex;gap:10px;margin-top:12px}
.reseaux-ronds a{width:44px;height:44px;border-radius:50%;border:2px solid var(--marine);display:inline-flex;align-items:center;justify-content:center;transition:background .2s ease,color .2s ease}
.reseaux-ronds a:hover{background:var(--marine);color:#fff}

/* Pied de page */
.pied{background:var(--marine);color:#fff;padding:36px 5%;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;font-size:15px}
.pied a{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline}

/* Téléphones et tablettes */
@media (max-width:820px){
  .burger{display:inline-flex}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid #E6E8E8;flex-direction:column;align-items:stretch;padding:8px 4% 16px}
  .menu.ouvert{display:flex}
  .menu a.lien{min-height:48px;font-size:15px;padding:0 4px}
  .reseaux{margin:8px 0 0}
  .section,.deroule{padding:56px 5%}
  .titre{font-size:28px}
  .accueil__texte{min-height:420px}
  .projet__boite{padding:20px}
  .formulaire{padding:28px 22px}
  .ligne{display:none}
}
@media (max-width:960px){.ligne{display:none}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .intro{display:none}
  .js .reveal,.js .pas,.js .ligne{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}
.rea__image{display:block}

/* Retour du formulaire */
.retour{padding:14px 16px;border-radius:4px;font-size:17px;font-weight:500}
.retour[hidden]{display:none}
.retour--ok{background:#E6F4EC;color:#1E5B3A}
.retour--erreur{background:#FDE9E9;color:#8E2327}

/* Page de texte (conditions générales de vente) */
.page-texte{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.page-texte h2{font-size:22px;font-weight:600;margin-top:18px}
.page-texte p,.page-texte li{line-height:1.65;color:var(--texte-doux)}
.page-texte ul{padding-left:22px}
.a-completer{border:2px dashed var(--rose);border-radius:6px;padding:20px;color:var(--rose-texte);font-weight:500}

.pied__liens{display:flex;flex-wrap:wrap;justify-content:center;gap:0 24px}
.page-texte h3{font-size:18px;font-weight:600;margin-top:6px}