:root{
  --lavande:#7A68A6;
  --lavande-fonce:#4E3F7A;
  --lavande-clair:#E7E1F2;
  --tournesol:#E8A932;
  --ocre:#C9822B;
  --terracotta:#C25B38;
  --olive:#6F7A45;
  --olive-clair:#E3E6D2;
  --ciel:#3D7DB5;
  --creme:#FBF6EA;
  --pierre:#F1E8D5;
  --encre:#2C2438;
  --texte:#4A4256;
  --rayon:18px;
  --ombre:0 18px 40px -18px rgba(78,63,122,.35);
  --police-titre:'Playfair Display',Didot,'Bodoni MT','Book Antiqua',Georgia,serif;
  --police-texte:'Inter','Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--police-texte);color:var(--texte);background:var(--creme);line-height:1.65;overflow-x:hidden}
h1,h2,h3{font-family:var(--police-titre);color:var(--encre);line-height:1.15}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.conteneur{width:min(1140px,100% - 32px);margin-inline:auto}
.surtitre{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--terracotta);margin-bottom:.8rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.9rem 1.6rem;border-radius:999px;font-weight:600;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primaire{background:var(--lavande);color:#fff;box-shadow:var(--ombre)}
.btn-primaire:hover{background:var(--lavande-fonce)}
.btn-secondaire{border:2px solid var(--encre);color:var(--encre)}
.btn-secondaire:hover{background:var(--encre);color:var(--creme)}

/* En-tête */
header{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s}
header.defile{background:rgba(251,246,234,.92);backdrop-filter:blur(10px);box-shadow:0 4px 20px -10px rgba(0,0,0,.15)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:.6rem;font-family:var(--police-titre);font-size:1.45rem;font-weight:700;color:var(--encre)}
.logo b{font-weight:inherit}
.logo span{color:var(--lavande)}
.logo svg{width:34px;height:34px}
.menu{display:flex;gap:2rem;list-style:none;font-weight:500}
.menu a{position:relative;padding:.3rem 0}
.menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--tournesol);transition:width .25s}
.menu a:hover::after{width:100%}
.nav .btn{padding:.6rem 1.2rem;font-size:.92rem}
.burger{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px}
.burger span{display:block;width:24px;height:2px;background:var(--encre);margin:5px auto;transition:.3s}

/* Héros */
.heros{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 0 220px;background:linear-gradient(180deg,#F9E7C4 0%,#FBEFD7 40%,var(--creme) 100%);overflow:hidden}
.soleil{position:absolute;top:110px;right:8%;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,#F6C453 0%,var(--tournesol) 60%,transparent 61%);filter:drop-shadow(0 0 60px rgba(232,169,50,.55));animation:flotte 8s ease-in-out infinite}
@keyframes flotte{50%{transform:translateY(-14px)}}
.heros-contenu{position:relative;z-index:2;max-width:660px}
.heros h1{font-size:clamp(2.4rem,5.5vw,4.2rem);margin-bottom:1.2rem}
.heros h1 em{font-style:italic;color:var(--lavande)}
.heros p{font-size:1.15rem;max-width:540px;margin-bottom:2rem}
.heros .actions{display:flex;flex-wrap:wrap;gap:1rem}
.badges{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:2.4rem}
.badges li{list-style:none;background:#fff;border-radius:999px;padding:.45rem 1rem;font-size:.85rem;font-weight:500;box-shadow:0 6px 18px -10px rgba(0,0,0,.2)}
.champs{position:absolute;left:0;right:0;bottom:-2px;width:100%;height:260px}

/* Sections */
section{padding:100px 0}
.entete-section{text-align:center;max-width:640px;margin:0 auto 3.5rem}
.entete-section h2{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:1rem}

/* Services */
.grille-services{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:1.8rem;max-width:960px;margin-inline:auto}
.carte{background:#fff;border-radius:var(--rayon);padding:2.4rem 2rem;box-shadow:var(--ombre);position:relative;overflow:hidden;transition:transform .3s}
.carte:hover{transform:translateY(-6px)}
.carte::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:var(--accent)}
.carte .icone{width:62px;height:62px;border-radius:16px;display:grid;place-items:center;background:var(--fond);margin-bottom:1.4rem}
.carte .icone svg{width:30px;height:30px;stroke:var(--accent)}
.carte h3{font-size:1.5rem;margin-bottom:.7rem}
.carte ul{list-style:none;margin-top:1.2rem}
.carte li{padding:.35rem 0 .35rem 1.6rem;position:relative;font-size:.95rem}
.carte li::before{content:"";position:absolute;left:0;top:.8rem;width:9px;height:9px;border-radius:50%;background:var(--accent)}
.c-web{--accent:var(--ciel);--fond:#DCE9F5}
.c-wp{--accent:var(--lavande);--fond:var(--lavande-clair)}
.c-log{--accent:var(--olive);--fond:var(--olive-clair)}

/* Méthode */
.methode{background:var(--lavande-fonce);color:#E9E3F5;position:relative}
.methode h2,.methode h3{color:#fff}
.methode .surtitre{color:var(--tournesol)}
.etapes{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem;counter-reset:etape}
.etape{counter-increment:etape;padding:2rem;border-radius:var(--rayon);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.etape::before{content:"0" counter(etape);font-family:var(--police-titre);font-size:2.6rem;font-weight:700;color:var(--tournesol);display:block;margin-bottom:.6rem}
.etape h3{font-size:1.25rem;margin-bottom:.5rem}

/* Réalisations */
.grille-projets{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.8rem}
.projet{display:block;color:inherit;border-radius:var(--rayon);overflow:hidden;background:#fff;box-shadow:var(--ombre);transition:transform .3s}
.projet:hover{transform:translateY(-6px)}
.projet .visuel{height:200px;display:grid;place-items:center;color:#fff;font-family:var(--police-titre);font-size:1.6rem;font-style:italic;text-align:center;padding:0 1rem}
.v-lavande{background:linear-gradient(135deg,#7A68A6,#4E3F7A)}
.v-soleil{background:linear-gradient(135deg,#E8A932,#C25B38)}
.v-olive{background:linear-gradient(135deg,#6F7A45,#3D7DB5)}
.projet .infos{padding:1.5rem}
.projet .tag{font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--terracotta)}
.projet h3{font-size:1.25rem;margin:.3rem 0 .4rem}
.projet .voir{display:inline-block;overflow-wrap:anywhere;margin-top:.9rem;font-weight:600;font-size:.92rem;color:var(--lavande);border-bottom:2px solid transparent;transition:border-color .2s}
.projet:hover .voir,.projet:focus-visible .voir{border-color:var(--tournesol)}
.projet .bientot{display:inline-block;margin-top:.9rem;padding:.3rem .8rem;border-radius:999px;background:var(--olive-clair);color:var(--olive);font-weight:600;font-size:.82rem}
.projet:focus-visible{outline:3px solid var(--tournesol);outline-offset:4px}

/* À propos */
.apropos{background:var(--pierre)}
.apropos-grille{display:grid;grid-template-columns:1fr 1.2fr;gap:4rem;align-items:center}
.portrait{aspect-ratio:4/5;border-radius:200px 200px var(--rayon) var(--rayon);background:linear-gradient(160deg,var(--tournesol),var(--terracotta) 55%,var(--lavande-fonce));display:grid;place-items:end center;overflow:hidden;box-shadow:var(--ombre)}
.portrait svg{width:90%}
.apropos h2{font-size:clamp(2rem,4vw,2.6rem);margin-bottom:1.2rem}
.apropos p{margin-bottom:1rem}
.chiffres{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem}
.chiffres div{background:#fff;border-radius:14px;padding:1.2rem;text-align:center}
.chiffres strong{display:block;font-family:var(--police-titre);font-size:2rem;color:var(--lavande)}
.chiffres span{font-size:.85rem}

/* Contact */
.contact-grille{display:grid;grid-template-columns:1fr 1.3fr;gap:3rem;align-items:start}
.contact-infos h2{font-size:clamp(2rem,4vw,2.6rem);margin-bottom:1rem}
.coord{list-style:none;margin-top:2rem}
.coord li{display:flex;gap:1rem;align-items:center;margin-bottom:1.1rem}
.coord .pastille{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--lavande-clair);flex-shrink:0}
.coord svg{width:20px;height:20px;stroke:var(--lavande-fonce)}
form{background:#fff;padding:2.4rem;border-radius:var(--rayon);box-shadow:var(--ombre);display:grid;gap:1.1rem}
.ligne{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
label{font-size:.85rem;font-weight:600;color:var(--encre);display:block;margin-bottom:.35rem}
input,select,textarea{width:100%;padding:.85rem 1rem;border:1.5px solid #E2DACB;border-radius:12px;font:inherit;background:var(--creme);color:var(--encre);transition:border-color .2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--lavande)}
textarea{min-height:140px;resize:vertical}
form .btn{justify-self:start;border:0;cursor:pointer;font-size:1rem}
.merci{display:none;color:var(--olive);font-weight:600}
.merci.affiche{display:block}

/* Pied */
footer{background:var(--encre);color:#CFC6DD;padding:3rem 0 2rem}
.pied{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.5rem}
footer .logo{color:#fff}
footer nav{display:flex;gap:1.5rem;flex-wrap:wrap}
footer nav a:hover{color:var(--tournesol)}
.copyright{margin-top:2rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem;text-align:center}

/* Apparition (seulement si le JavaScript est actif) */
.js .revele{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.js .revele.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .revele{opacity:1;transform:none}.soleil{animation:none}html{scroll-behavior:auto}}

/* Mobile */
@media (max-width:900px){
  .apropos-grille,.contact-grille{grid-template-columns:1fr;gap:2.5rem}
  .portrait{max-width:340px;margin-inline:auto;width:100%}
}
@media (max-width:820px){
  .menu{position:fixed;inset:76px 0 auto;flex-direction:column;gap:0;background:var(--creme);padding:1rem 16px 1.5rem;box-shadow:0 20px 30px -20px rgba(0,0,0,.3);transform:translateY(-130%);transition:transform .35s}
  .menu.ouvert{transform:none}
  .menu a{display:block;padding:.9rem 0;border-bottom:1px solid var(--pierre)}
  .nav .btn{display:none}
  .burger{display:block}
  .soleil{width:130px;height:130px;right:4%;top:95px;opacity:.85}
  section{padding:70px 0}
  .ligne{grid-template-columns:1fr}
  form{padding:1.6rem}
  .chiffres strong{font-size:1.6rem}
}