@font-face{font-family:"Fraunces";src:url(polices/fraunces-normal-latin.woff2) format("woff2");font-weight:300 800;font-style:normal;font-display:swap}
@font-face{font-family:"Fraunces";src:url(polices/fraunces-italic-latin.woff2) format("woff2");font-weight:300 800;font-style:italic;font-display:swap}
@font-face{font-family:"Manrope";src:url(polices/manrope-normal-latin.woff2) format("woff2");font-weight:200 800;font-style:normal;font-display:swap}

/* couleurs du logo Plan B : prune, bleu ciel, rose magenta */
:root{
  --prune:#4b3763; --prune-f:#33244a; --ciel:#2a9bd3; --ciel-f:#1f7fb0; --rose:#b65fa3; --rose-pale:#f5e9f2;
  --fond:#f7f5fa; --blanc:#ffffff; --encre:#251c33; --doux:#665c75; --trait:rgba(37,28,51,.12);
  --serif:"Fraunces",Georgia,serif; --sans:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --rayon:22px; --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--fond);color:var(--encre);font-family:var(--sans);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--ciel-f)}
.marge{width:min(1180px,100% - 40px);margin:0 auto}
.etroit{max-width:780px}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:-.015em;margin:0}
h1 em,h2 em{font-style:italic;color:var(--rose)}
.surtitre{font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--ciel-f);margin:0 0 14px}

.bouton{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 28px;border-radius:999px;background:var(--prune);color:#fff;font-weight:700;text-decoration:none;transition:background .2s,transform .2s var(--ease);border:2px solid transparent}
.bouton:hover{background:var(--prune-f);transform:translateY(-2px)}
.bouton-petit{padding:10px 20px;font-size:15px;background:var(--ciel)}
.bouton-petit:hover{background:var(--ciel-f)}
.bouton-blanc{background:#fff;color:var(--prune)}
.bouton-blanc:hover{background:var(--rose-pale)}
.bouton-ligne{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.bouton-ligne:hover{background:rgba(255,255,255,.12)}
.bouton-ligne-clair{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff;backdrop-filter:blur(6px)}
.lien-fleche{font-weight:700;color:var(--prune);text-decoration:none;display:inline-flex;gap:8px;align-items:center}
.lien-fleche::after{content:"→";transition:transform .2s var(--ease)}
a:hover .lien-fleche::after,.lien-fleche:hover::after{transform:translateX(4px)}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* en-tête */
.tete{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--trait)}
.tete-ligne{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px 0}
.logo img{height:52px;width:auto}
.menu{display:flex;align-items:center;gap:30px}
.menu a:not(.bouton){font-weight:700;color:var(--doux);text-decoration:none;font-size:15px;letter-spacing:.02em}
.menu a:not(.bouton):hover,.menu a[aria-current]{color:var(--prune)}
.burger{display:none}

/* ouverture */
.hero{position:relative;min-height:min(80vh,720px);display:flex;align-items:flex-end;overflow:hidden;color:#fff;background:var(--prune)}
.hero-photo,.hero-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(51,36,74,.1) 20%,rgba(51,36,74,.82))}
.hero-texte{position:relative;z-index:2;padding:120px 0 70px}
.hero .surtitre{color:#bfe3f5}
.hero h1{font-size:clamp(48px,7vw,96px);max-width:11ch}
.hero h1 em{color:#f3b9e4}

.tete-section{margin-bottom:clamp(30px,4vw,48px)}
.tete-section h2,.pourquoi h2,.contact h2{font-size:clamp(34px,4.2vw,56px)}

.services{padding:clamp(60px,8vw,110px) 0}
.services-grille{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service{display:flex;flex-direction:column;background:#fff;border-radius:var(--rayon);overflow:hidden;text-decoration:none;color:var(--encre);border:1px solid var(--trait);transition:transform .25s var(--ease),box-shadow .25s}
.service:hover{transform:translateY(-5px);box-shadow:0 30px 60px -34px rgba(51,36,74,.5)}
.service-photo img{aspect-ratio:16/10;object-fit:cover;width:100%}
.service-texte{display:flex;flex-direction:column;gap:10px;padding:26px 26px 28px;flex:1}
.service-texte h3{font-size:27px}
.service-texte span{color:var(--doux);flex:1}

.pourquoi{background:#fff;padding:clamp(60px,8vw,110px) 0;border-top:1px solid var(--trait);border-bottom:1px solid var(--trait)}
.pourquoi-grille{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,6vw,90px);align-items:start}
.pourquoi p{font-size:19px;color:var(--doux);margin:0 0 18px}
.pourquoi .pourquoi-fort{font-family:var(--serif);font-size:clamp(24px,2.4vw,30px);line-height:1.3;color:var(--prune)}

.programme{padding:clamp(50px,6vw,80px) 0}
.programme-boite{background:var(--ciel);color:#fff;border-radius:28px;padding:clamp(28px,4vw,48px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.programme .surtitre{color:#e2f3fb;margin:0}
.programme-lien{font-family:var(--serif);font-size:clamp(26px,3.4vw,44px);color:#fff;text-decoration:none}
.programme-lien span{display:inline-block;transition:transform .2s var(--ease)}
.programme-lien:hover span{transform:translateX(6px)}

.vitrine{padding:0 0 clamp(60px,8vw,110px)}
.vitrine-grille{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.vignette{position:relative;display:block;border-radius:18px;overflow:hidden;color:#fff;text-decoration:none}
.vignette img{aspect-ratio:3/4;object-fit:cover;width:100%;transition:transform .5s var(--ease)}
.vignette:hover img{transform:scale(1.05)}
.vignette::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(37,28,51,.85))}
.vignette-texte{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;display:flex;flex-direction:column;gap:2px}
.vignette-texte strong{font-family:var(--serif);font-weight:500;font-size:20px;line-height:1.15}
.vignette-texte span{font-size:13px;opacity:.85}
.vitrine-suite{margin:28px 0 0}

.contact{padding:0 0 clamp(60px,8vw,110px)}
.contact-boite{background:var(--prune);color:#fff;border-radius:32px;padding:clamp(32px,5vw,60px);display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center;position:relative;overflow:hidden}
.contact-boite::before{content:"";position:absolute;width:420px;height:420px;right:-120px;top:-180px;border-radius:50%;background:radial-gradient(circle,rgba(42,155,211,.45),transparent 70%)}
.contact .surtitre{color:#bfe3f5}
.contact h2{position:relative}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;justify-content:flex-end}

/* pages intérieures */
.page-tete{padding:clamp(50px,7vw,90px) 0 clamp(26px,3vw,40px)}
.page-tete h1{font-size:clamp(40px,5.4vw,72px);margin-bottom:18px}
.chapeau{font-size:clamp(19px,1.8vw,22px);color:var(--doux);margin:0}
.atouts{padding:10px 0 clamp(40px,5vw,60px)}
.atouts-grille{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.atout-boite{background:#fff;border:1px solid var(--trait);border-radius:var(--rayon);padding:clamp(26px,3vw,38px)}
.atout-pro{background:var(--rose-pale);border-color:transparent}
.coches{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:10px}
.coches li{position:relative;padding-left:34px;font-weight:600}
.coches li::before{content:"";position:absolute;left:0;top:.2em;width:22px;height:22px;border-radius:50%;background:var(--ciel) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
.atout-pro .coches li::before{background-color:var(--rose)}
.atout-phrase{font-family:var(--serif);font-size:22px;color:var(--prune);margin:0 0 10px}
.atout-boite p{margin:0 0 10px}

.liste-salons{padding:0 0 clamp(40px,5vw,60px)}
.salons-grille{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.salon{display:flex;flex-direction:column;background:#fff;border:1px solid var(--trait);border-radius:var(--rayon);overflow:hidden;text-decoration:none;color:var(--encre);transition:transform .25s var(--ease),box-shadow .25s}
a.salon:hover{transform:translateY(-4px);box-shadow:0 26px 50px -30px rgba(51,36,74,.5)}
.salon-photo img{aspect-ratio:3/2;object-fit:cover;width:100%}
.salon-initiale{display:grid;place-items:center;aspect-ratio:3/2;background:linear-gradient(135deg,var(--prune),var(--rose));color:rgba(255,255,255,.9);font-family:var(--serif);font-size:72px;font-style:italic}
.salon-texte{display:flex;flex-direction:column;gap:4px;padding:20px 22px 22px}
.salon-texte strong{font-family:var(--serif);font-weight:500;font-size:23px;line-height:1.2}
.salon-texte span{color:var(--doux);font-size:15px;letter-spacing:.02em}
.salon-texte .lien-fleche{margin-top:8px;font-size:15px}
.institutionnels{margin:30px 0 0;font-size:18px;color:var(--doux);max-width:760px}

.bandeau{position:relative;min-height:clamp(320px,46vw,520px);display:flex;align-items:flex-end;overflow:hidden;color:#fff;background:var(--prune)}
.bandeau-photo,.bandeau-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bandeau::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(51,36,74,0) 30%,rgba(51,36,74,.8))}
.bandeau-texte{position:relative;z-index:2;padding:0 0 clamp(30px,4vw,50px)}
.bandeau .surtitre{color:#bfe3f5}
.bandeau h1{font-size:clamp(42px,6vw,80px)}
.texte{padding:clamp(40px,6vw,80px) 0 clamp(40px,5vw,60px)}
.grand{font-size:clamp(19px,1.8vw,22px);line-height:1.6;margin:0 0 22px}
.sous-titre{font-family:var(--serif);font-size:clamp(22px,2.2vw,28px);line-height:1.35;color:var(--prune);margin:0 0 22px}
.texte blockquote{margin:34px 0;padding:28px 32px;border-radius:var(--rayon);background:var(--rose-pale);font-family:var(--serif);font-size:clamp(22px,2.2vw,28px);line-height:1.35;color:var(--prune)}
.portrait{border-left:3px solid var(--ciel);padding:6px 0 6px 24px;color:var(--doux)}
.portrait p:last-child{margin:0}

.prestations{padding:0 0 clamp(60px,8vw,100px)}
.prestations-grille{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.prestation{background:#fff;border:1px solid var(--trait);border-radius:var(--rayon);padding:26px 24px}
.prestation h2{font-size:22px;margin:16px 0 10px}
.prestation p{margin:0;color:var(--doux);font-size:15.5px}
.picto{display:block;width:52px;height:52px;border-radius:16px;background:var(--rose-pale) center/26px no-repeat}
.prestation:nth-child(even) .picto{background-color:#e3f2fa}
.picto-materiel{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234b3763' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M3 10l9-6 9 6M5 10v10M19 10v10M3 20h18M9 20v-6h6v6'/%3E%3C/svg%3E")}
.picto-son{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234b3763' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M4 10v4h4l5 4V6L8 10H4zM16.5 9a4 4 0 010 6M19 6.5a7.5 7.5 0 010 11'/%3E%3C/svg%3E")}
.picto-equipe{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234b3763' stroke-width='1.8' stroke-linecap='round'%3E%3Ccircle cx='9' cy='8' r='3'/%3E%3Cpath d='M3 20c0-3.5 2.7-6 6-6s6 2.5 6 6'/%3E%3Ccircle cx='17' cy='9' r='2.4'/%3E%3Cpath d='M16 14c2.8 0 5 2 5 5'/%3E%3C/svg%3E")}
.picto-nuit{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234b3763' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M20 14.5A8 8 0 019.5 4 8 8 0 1020 14.5z'/%3E%3C/svg%3E")}
.picto-montage{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234b3763' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M14 7l3-3 3 3-3 3M17 4v0M4 20l9-9M13 11l-2-2 3-3 2 2'/%3E%3C/svg%3E")}
.picto-plan{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234b3763' stroke-width='1.8' stroke-linecap='round'%3E%3Crect x='3' y='4' width='18' height='16' rx='2'/%3E%3Cpath d='M3 10h8V4M11 14h10M15 14v6'/%3E%3C/svg%3E")}
.picto-graphisme{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234b3763' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M12 3a9 9 0 100 18c1.5 0 2-1 2-2s-1-1.5-1-2.5 1-1.5 2-1.5h2a4 4 0 004-4c0-4.4-4-8-9-8z'/%3E%3Ccircle cx='7.5' cy='11' r='1'/%3E%3Ccircle cx='10' cy='7' r='1'/%3E%3Ccircle cx='15' cy='7.5' r='1'/%3E%3C/svg%3E")}
.picto-jeux{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234b3763' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M4 20V10l4-4 4 4 4-4 4 4v10H4zM4 14h16M10 20v-4h4v4'/%3E%3C/svg%3E")}

.prose h2{font-size:clamp(22px,2.4vw,28px);margin:40px 0 12px;color:var(--prune)}
.prose p,.prose li{color:#3a3046}
.prose ul{padding-left:22px}
.prose a{font-weight:700}

/* pied */
.pied{background:var(--prune-f);color:#d7cfe2;padding:clamp(50px,6vw,80px) 0 28px;font-size:15px}
.pied-grille{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:34px}
.pied-marque{font-family:var(--serif);font-size:28px;color:#fff;margin:0}
.pied-marque strong{color:#8fd0f0;font-weight:500}
.pied-texte{margin:12px 0 0;max-width:330px;color:#b9aecb}
.pied nav{display:flex;flex-direction:column;gap:8px}
.pied-titre{margin:0 0 6px;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#8fd0f0}
.pied a{color:#ece6f4;text-decoration:none}
.pied a:hover{color:#fff;text-decoration:underline}
.pied-bas{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#a397b6}

.entree{animation:monte .9s var(--ease) both;animation-delay:var(--d,0s)}
@keyframes monte{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}
.js .rv.vu{opacity:1;transform:none}

@media (max-width:1060px){
  .menu{display:none}
  .burger{display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;width:46px;height:46px;border-radius:50%;border:1px solid var(--trait);background:#fff;cursor:pointer}
  .burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--prune);transition:transform .25s}
  .tete.ouvert .burger span:first-child{transform:translateY(4px) rotate(45deg)}
  .tete.ouvert .burger span:last-child{transform:translateY(-4px) rotate(-45deg)}
  .tete.ouvert .menu{display:flex;flex-direction:column;align-items:stretch;gap:0;position:absolute;top:100%;left:0;right:0;background:#fff;padding:8px 20px 24px;border-bottom:1px solid var(--trait)}
  .tete.ouvert .menu a:not(.bouton){padding:15px 0;border-bottom:1px solid var(--trait);font-size:17px;color:var(--encre)}
  .tete.ouvert .menu .bouton{margin-top:18px}
  .vitrine-grille{grid-template-columns:repeat(3,1fr)}
  .prestations-grille{grid-template-columns:repeat(2,1fr)}
  .pied-grille{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .services-grille,.pourquoi-grille,.atouts-grille,.salons-grille,.contact-boite{grid-template-columns:1fr}
  .contact-actions{justify-content:flex-start}
  .vitrine-grille{grid-template-columns:repeat(2,1fr)}
  .logo img{height:44px}
}
@media (max-width:520px){
  .prestations-grille,.pied-grille{grid-template-columns:1fr}
  .actions .bouton,.contact-actions .bouton{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .entree{animation:none}
  .js .rv{opacity:1;transform:none;transition:none}
}
.bouton-ciel{background:var(--ciel)}
.bouton-ciel:hover{background:var(--ciel-f)}