@font-face{font-family:"Grotesk Chambly";src:url("/fonts/space-grotesk-variable.woff2") format("woff2-variations");font-weight:300 700;font-display:swap;font-style:normal}

:root{
  --chy-encre:#101623;
  --chy-bleu:#0b57e8;
  --chy-bleu-fonce:#083faa;
  --chy-feu:#ff6a13;
  --chy-brume:#eef1f6;
  --chy-trait:#d3dae6;
  --chy-texte:#2b3446;
  --chy-blanc:#fff;
  --chy-large:1180px;
  --chy-gout:18px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:"Grotesk Chambly",system-ui,"Segoe UI",Roboto,sans-serif;
  font-size:17px;line-height:1.62;color:var(--chy-texte);background:var(--chy-blanc);
  overflow-wrap:break-word;padding-bottom:76px;
}
img,iframe,video,table{max-width:100%}
img{display:block;height:auto}
a{color:var(--chy-bleu-fonce)}
main{display:flex;flex-direction:column}
[id]{scroll-margin-top:78px}

.chy-large{width:100%;max-width:var(--chy-large);margin:0 auto;padding:0 var(--chy-gout)}
.chy-etroit{width:100%;max-width:830px;margin:0 auto;padding:0 var(--chy-gout)}

h1,h2,h3,h4{font-weight:700;line-height:1.12;color:var(--chy-encre);letter-spacing:-.015em}
h1{font-size:clamp(1.85rem,7vw,3.3rem)}
h2{font-size:clamp(1.5rem,5.2vw,2.35rem)}
h3{font-size:clamp(1.15rem,3.6vw,1.42rem);line-height:1.2}
h4{font-size:1.02rem}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}

/* ---------- Boutons ---------- */
.chy-bt{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:54px;padding:0 26px;border:3px solid var(--chy-encre);
  font:inherit;font-weight:700;font-size:1rem;letter-spacing:.02em;
  text-transform:uppercase;text-decoration:none;text-align:center;cursor:pointer;
  background:var(--chy-feu);color:#fff;border-radius:0;transition:background .15s;
}
.chy-bt:hover{background:var(--chy-encre)}
.chy-bt--bleu{background:var(--chy-bleu);color:#fff}
.chy-bt--bleu:hover{background:var(--chy-encre)}
.chy-bt--vide{background:#fff;color:var(--chy-encre)}
.chy-bt--vide:hover{background:var(--chy-brume)}
.chy-bt--clair{background:#fff;color:var(--chy-encre);border-color:#fff}
.chy-bt--clair:hover{background:var(--chy-feu);color:#fff;border-color:#fff}
.chy-bt--plein{width:100%}
.chy-etiq{
  display:inline-block;padding:6px 13px;background:var(--chy-encre);color:#fff;
  font-size:.72rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase;
}
.chy-etiq--feu{background:var(--chy-feu)}
.chy-etiq--bleu{background:var(--chy-bleu)}
.chy-etiq--bord{background:transparent;color:var(--chy-encre);border:2px solid var(--chy-encre)}

/* ---------- En-tête ---------- */
.chy-entete{
  position:sticky;top:0;z-index:800;background:#fff;
  border-bottom:3px solid var(--chy-encre);
}
.chy-entete__rang{display:flex;align-items:center;gap:12px;min-height:62px;padding:8px var(--chy-gout)}
.chy-entete__marque{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--chy-encre);margin-right:auto}
.chy-entete__marque svg{width:32px;height:32px;flex:0 0 32px}
.chy-entete__nom{display:block;font-weight:700;font-size:.98rem;line-height:1.1;letter-spacing:-.02em}
.chy-entete__sous{display:block;font-size:.68rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--chy-bleu)}
.chy-entete__appel{
  display:inline-flex;align-items:center;gap:7px;min-height:46px;padding:0 14px;
  background:var(--chy-bleu);color:#fff;font-weight:700;text-decoration:none;font-size:1rem;
  border:2px solid var(--chy-encre);
}
.chy-entete__appel span{display:none}
.chy-burger{
  min-width:46px;min-height:46px;display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--chy-encre);cursor:pointer;
}
.chy-burger__trait,.chy-burger__trait::before,.chy-burger__trait::after{
  display:block;width:22px;height:3px;background:var(--chy-encre);content:""
}
.chy-burger__trait::before{transform:translateY(-7px)}
.chy-burger__trait::after{transform:translateY(4px)}
.chy-nav{display:none}

.chy-tiroir{
  position:fixed;inset:0;z-index:950;background:rgba(16,22,35,.6);
  opacity:0;visibility:hidden;transition:opacity .2s;
}
.chy-tiroir.est-ouvert{opacity:1;visibility:visible}
.chy-tiroir__panneau{
  position:absolute;top:0;right:0;bottom:0;width:min(340px,88vw);background:#fff;
  padding:16px 18px calc(24px + env(safe-area-inset-bottom));overflow-y:auto;
  border-left:4px solid var(--chy-encre);transform:translateX(100%);transition:transform .25s;
}
.chy-tiroir.est-ouvert .chy-tiroir__panneau{transform:translateX(0)}
.chy-tiroir__fermer{
  min-width:46px;min-height:46px;margin-left:auto;display:block;background:#fff;
  border:2px solid var(--chy-encre);font-size:1.4rem;font-weight:700;line-height:1;cursor:pointer;color:var(--chy-encre)
}
.chy-tiroir__actions{display:grid;gap:10px;margin:14px 0 18px}
.chy-tiroir__liens{list-style:none}
.chy-tiroir__liens a{
  display:block;min-height:50px;display:flex;align-items:center;
  border-bottom:2px solid var(--chy-trait);text-decoration:none;color:var(--chy-encre);
  font-weight:700;font-size:1.02rem
}
.chy-tiroir__groupe{margin-top:16px;font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--chy-bleu)}

/* ---------- Hero accueil (aplat bleu, phone-first) ---------- */
.chy-hero{background:var(--chy-bleu);color:#fff;padding:30px 0 34px;position:relative;overflow:hidden}
.chy-hero h1{color:#fff;text-transform:uppercase;font-size:clamp(1.95rem,7.6vw,3.5rem);line-height:1.02}
.chy-hero h1 em{font-style:normal;color:#ffd166}
.chy-hero__chapo{font-size:1.06rem;font-weight:500;margin:14px 0 20px;max-width:44ch}
.chy-hero__actions{display:grid;gap:11px;margin-bottom:20px}
.chy-hero__appel{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  background:#fff;color:var(--chy-bleu);text-decoration:none;padding:13px 18px;border:4px solid var(--chy-encre)
}
.chy-hero__appel b{font-size:1.72rem;font-weight:700;letter-spacing:.01em;line-height:1}
.chy-hero__appel small{font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--chy-encre)}
.chy-hero__pts{list-style:none;display:grid;gap:8px;margin-bottom:22px}
.chy-hero__pts li{font-weight:700;font-size:.97rem;display:flex;align-items:flex-start;gap:9px}
.chy-hero__pts li::before{
  content:"✓";flex:0 0 22px;height:22px;background:#ffd166;color:var(--chy-encre);
  font-size:.85rem;font-weight:700;display:grid;place-items:center;margin-top:2px
}
.chy-hero__photo{border:4px solid var(--chy-encre);width:100%}

/* ---------- Bande chiffres ---------- */
.chy-chiffres{background:var(--chy-encre);color:#fff;padding:20px 0}
.chy-chiffres__grille{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:rgba(255,255,255,.16)}
.chy-chiffres__case{background:var(--chy-encre);padding:12px 8px;text-align:center}
.chy-chiffres__case b{display:block;font-size:1.5rem;font-weight:700;color:#ffd166;line-height:1.1}
.chy-chiffres__case span{display:block;font-size:.73rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#c4cddd;margin-top:3px}

/* ---------- Bande formulaire ---------- */
.chy-devis{background:var(--chy-encre);color:#fff;border-top:7px solid var(--chy-feu);padding:30px 0 34px}
.chy-devis h2{color:#fff;text-transform:uppercase}
.chy-devis h2 em{font-style:normal;color:var(--chy-feu)}
.chy-devis__sous{color:#b9c3d4;font-size:.97rem;margin:8px 0 20px}
.chy-devis__nap{color:#8e9bb0;font-size:.83rem;margin-top:14px}
.chy-devis__nap a{color:#c4cddd}

.chy-form{display:grid;gap:12px}
.chy-champ{display:flex;flex-direction:column;gap:5px}
.chy-champ label{font-size:.72rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--chy-feu)}
.chy-champ input,.chy-champ select,.chy-champ textarea{
  width:100%;font-family:inherit;font-size:16px;color:var(--chy-encre);background:#fff;
  border:3px solid #fff;border-radius:0;padding:12px;min-height:50px;appearance:auto
}
.chy-champ textarea{min-height:86px;resize:vertical}
.chy-champ input:focus,.chy-champ select:focus,.chy-champ textarea:focus{outline:none;border-color:#ffd166}
.chy-form__envoi{grid-column:1/-1}
.chy-form__note{grid-column:1/-1;color:#8e9bb0;font-size:.8rem}
.chy-piege{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* Formulaire sur fond clair */
.chy-form--clair .chy-champ label{color:var(--chy-bleu)}
.chy-form--clair .chy-champ input,.chy-form--clair .chy-champ select,.chy-form--clair .chy-champ textarea{border-color:var(--chy-encre)}
.chy-form--clair .chy-form__note{color:#66718a}

/* ---------- Sections génériques ---------- */
.chy-sec{padding:44px 0}
.chy-sec--brume{background:var(--chy-brume)}
.chy-sec.chy-sec--intro{padding-bottom:4px}
.chy-sec.chy-sec--intro .chy-tete{margin-bottom:0}
.chy-sec--encre{background:var(--chy-encre);color:#c9d2e2}
.chy-sec--encre h2,.chy-sec--encre h3{color:#fff}
.chy-tete{margin-bottom:26px}
.chy-tete h2{text-transform:uppercase}
.chy-tete h2 em{font-style:normal;color:var(--chy-bleu)}
.chy-tete p{margin-top:9px;font-size:1.02rem}
.chy-centre{text-align:center}
.chy-centre .chy-tete p{margin-left:auto;margin-right:auto;max-width:64ch}

/* ---------- Prestations en bandes ---------- */
.chy-bande{border-top:3px solid var(--chy-encre)}
.chy-bande:last-of-type{border-bottom:3px solid var(--chy-encre)}
.chy-bande__in{display:grid;gap:16px;padding:26px var(--chy-gout);width:100%;max-width:var(--chy-large);margin:0 auto}
.chy-bande__num{font-size:2.6rem;font-weight:700;line-height:1;color:var(--chy-bleu)}
.chy-bande__visuel{position:relative;border:3px solid var(--chy-encre)}
.chy-bande__prix{
  position:absolute;left:0;bottom:0;background:var(--chy-feu);color:#fff;
  padding:7px 12px;font-size:.83rem;font-weight:700;letter-spacing:.04em
}
.chy-bande h3{text-transform:uppercase;margin-bottom:7px}
.chy-bande h3 a{color:inherit;text-decoration:none}
.chy-bande h3 a:hover{color:var(--chy-bleu)}
.chy-bande__liste{list-style:none;margin:12px 0 16px;display:grid;gap:6px}
.chy-bande__liste li{font-size:.93rem;display:flex;gap:8px;align-items:flex-start}
.chy-bande__liste li::before{content:"▸";color:var(--chy-feu);font-weight:700;flex:0 0 auto}
.chy-bande--bleu{background:var(--chy-bleu);color:#e6eeff}
.chy-bande--bleu h3,.chy-bande--bleu h3 a{color:#fff}
.chy-bande--bleu h3 a:hover{color:#ffd166}
.chy-bande--bleu .chy-bande__num{color:#ffd166}
.chy-bande--bleu .chy-bande__visuel{border-color:#fff}
.chy-bande--bleu .chy-bande__liste li::before{color:#ffd166}
.chy-bande--bleu .chy-bt{background:#fff;color:var(--chy-encre);border-color:#fff}
.chy-bande--bleu .chy-bt:hover{background:#ffd166}
.chy-bande--brume{background:var(--chy-brume)}
.chy-bande--encre{background:var(--chy-encre);color:#c9d2e2}
.chy-bande--encre h3,.chy-bande--encre h3 a{color:#fff}
.chy-bande--encre .chy-bande__num{color:var(--chy-feu)}
.chy-bande--encre .chy-bande__visuel{border-color:#fff}

/* ---------- Pourquoi nous choisir ---------- */
.chy-choix{display:grid;gap:22px}
.chy-choix__qualite{display:flex;gap:13px;padding:16px 0;border-bottom:2px solid var(--chy-trait)}
.chy-choix__qualite:last-child{border-bottom:none}
.chy-choix__ico{
  flex:0 0 46px;height:46px;display:grid;place-items:center;background:var(--chy-bleu);
  color:#fff;font-size:1.25rem;border:2px solid var(--chy-encre)
}
.chy-choix__qualite h3{text-transform:uppercase;font-size:1.06rem;margin-bottom:5px}
.chy-choix__qualite p{font-size:.95rem}
.chy-carre{background:var(--chy-encre);color:#fff;padding:24px 20px;border:3px solid var(--chy-encre);text-align:center}
.chy-carre h3{color:#fff;text-transform:uppercase;margin-bottom:16px}
.chy-carre__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px}
.chy-carre__stats b{display:block;font-size:1.45rem;color:#ffd166;line-height:1.1}
.chy-carre__stats span{display:block;font-size:.7rem;letter-spacing:.05em;text-transform:uppercase;color:#b9c3d4;margin-top:3px}

/* ---------- Avis ---------- */
.chy-note{
  display:inline-flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:9px;
  border:3px solid var(--chy-encre);padding:11px 18px;font-weight:700;margin-bottom:22px
}
.chy-note b{font-size:1.55rem;color:var(--chy-bleu)}
.chy-note__etoiles{color:var(--chy-feu);letter-spacing:.11em}
.chy-avis{display:grid;gap:14px}
.chy-avis__carte{background:#fff;border:3px solid var(--chy-encre);padding:18px 16px;text-align:left}
.chy-avis__etoiles{color:var(--chy-feu);letter-spacing:.13em;font-size:.98rem}
.chy-avis__texte{margin:9px 0 12px;font-size:.95rem}
.chy-avis__sig{font-size:.82rem;color:#66718a;border-top:2px solid var(--chy-trait);padding-top:9px}
.chy-avis__sig b{color:var(--chy-encre)}
.chy-avis__plus{display:none}
.chy-avis.est-deplie .chy-avis__plus{display:block}
.chy-deplier{margin-top:18px}

/* ---------- Tarifs (grandes étiquettes) ---------- */
.chy-tarifs{display:grid;gap:12px}
.chy-tarif{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;
  border:3px solid var(--chy-encre);padding:17px 16px;background:#fff;text-align:left
}
.chy-tarif h3{flex:1 1 100%;text-transform:uppercase;font-size:1.1rem}
.chy-tarif p{flex:1 1 220px;font-size:.93rem;margin:0}
.chy-tarif__montant{margin-left:auto;text-align:right}
.chy-tarif__montant b{display:block;font-size:1.42rem;font-weight:700;color:var(--chy-bleu);line-height:1.1}
.chy-tarif__montant span{display:block;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:#66718a}
.chy-honnete{margin-top:16px;font-size:.88rem;color:#66718a}

/* ---------- Simulateur ---------- */
.chy-simu{border:3px solid var(--chy-encre);background:#fff;padding:20px 16px;text-align:left}
.chy-simu__grille{display:grid;gap:13px}
.chy-simu__champ{display:flex;flex-direction:column;gap:5px}
.chy-simu__champ label{font-size:.72rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--chy-bleu)}
.chy-simu__champ select,.chy-simu__champ input{
  font-family:inherit;font-size:16px;padding:12px;min-height:50px;border:3px solid var(--chy-encre);
  background:#fff;color:var(--chy-encre);border-radius:0;width:100%
}
.chy-simu__sortie{margin-top:18px;background:var(--chy-bleu);color:#fff;padding:20px 16px;border:3px solid var(--chy-encre);text-align:center}
.chy-simu__sortie b{display:block;font-size:1.85rem;font-weight:700;line-height:1.15}
.chy-simu__sortie small{display:block;font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;margin-bottom:7px;color:#c9dbff}
.chy-simu__sortie p{font-size:.9rem;margin:9px 0 15px;color:#dce7ff}
.chy-simu__avert{margin-top:12px;font-size:.83rem;color:#66718a}

/* ---------- Étapes ---------- */
.chy-etapes{display:grid;gap:14px;counter-reset:etape}
.chy-etape{border:3px solid var(--chy-encre);padding:18px 16px;background:#fff;text-align:left}
.chy-etape b{display:block;font-size:2.1rem;font-weight:700;color:var(--chy-feu);line-height:1}
.chy-etape h3{text-transform:uppercase;margin:6px 0 7px;font-size:1.08rem}
.chy-etape p{font-size:.94rem}

/* ---------- Réalisations ---------- */
.chy-travaux{display:grid;gap:16px}
.chy-travail{border:3px solid var(--chy-encre);background:#fff;text-align:left}
.chy-travail__corps{padding:15px 16px}
.chy-travail h3{text-transform:uppercase;font-size:1.05rem;margin-bottom:5px}
.chy-travail__lieu{display:inline-block;background:var(--chy-brume);color:var(--chy-encre);font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 9px;margin-bottom:9px}
.chy-travail p{font-size:.93rem}

/* Étude de cas (pages villes / prestations) */
.chy-etude{border:3px solid var(--chy-encre);background:#fff;text-align:left}
.chy-etude__corps{padding:20px 17px}
.chy-etude__lieu{font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--chy-bleu)}
.chy-etude h3{text-transform:uppercase;margin:6px 0 12px}
.chy-etude__meta{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}
.chy-etude__meta li{background:var(--chy-encre);color:#fff;font-size:.74rem;font-weight:700;letter-spacing:.05em;padding:5px 10px}
.chy-etude p{font-size:.95rem}

/* ---------- Zone d'intervention ---------- */
.chy-zone{display:grid;gap:20px}
.chy-zone__villes{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.chy-zone__villes a{
  display:inline-block;border:2px solid var(--chy-encre);background:#fff;color:var(--chy-encre);
  padding:8px 13px;font-size:.88rem;font-weight:700;text-decoration:none;min-height:42px;display:inline-flex;align-items:center
}
.chy-zone__villes a:hover{background:var(--chy-bleu);color:#fff;border-color:var(--chy-bleu)}
.chy-zone__carte{border:3px solid var(--chy-encre);line-height:0}
.chy-zone__carte iframe{width:100%;height:320px;border:0;display:block}

/* ---------- Équipe ---------- */
.chy-equipe{display:grid;gap:15px}
.chy-membre{border:3px solid var(--chy-encre);background:#fff;padding:20px 16px;text-align:center}
.chy-membre img{width:118px;height:118px;border-radius:50%;object-fit:cover;margin:0 auto 13px;border:3px solid var(--chy-encre)}
.chy-membre h3{text-transform:uppercase;font-size:1.05rem}
.chy-membre__poste{display:block;color:var(--chy-bleu);font-weight:700;font-size:.8rem;letter-spacing:.09em;text-transform:uppercase;margin:4px 0 9px}
.chy-membre p{font-size:.92rem}

/* ---------- FAQ ---------- */
.chy-faq{display:grid;gap:10px}
.chy-faq details{border:3px solid var(--chy-encre);background:#fff}
.chy-faq summary{
  padding:15px 16px;font-weight:700;cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;gap:12px;align-items:flex-start;min-height:52px;color:var(--chy-encre)
}
.chy-faq summary::-webkit-details-marker{display:none}
.chy-faq summary::after{content:"+";color:var(--chy-feu);font-size:1.5rem;line-height:1;flex:0 0 auto}
.chy-faq details[open] summary::after{content:"−"}
.chy-faq__rep{padding:0 16px 16px;font-size:.95rem}

/* ---------- Bande CTA ---------- */
.chy-appelaction{background:var(--chy-feu);color:#fff;padding:34px 0;text-align:center}
.chy-appelaction h2{color:#fff;text-transform:uppercase}
.chy-appelaction p{margin:9px auto 20px;max-width:56ch;font-weight:500}
.chy-appelaction__actions{display:grid;gap:11px;justify-content:center}

/* ---------- Contact ---------- */
.chy-contact{display:grid;gap:24px}
.chy-coord{list-style:none;display:grid;gap:14px}
.chy-coord li{border-left:5px solid var(--chy-bleu);padding-left:13px}
.chy-coord b{display:block;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#66718a;margin-bottom:2px}
.chy-coord a{color:var(--chy-encre);font-weight:700;text-decoration:none;font-size:1.06rem}
.chy-coord a:hover{color:var(--chy-bleu)}
.chy-panneau{background:var(--chy-brume);border:3px solid var(--chy-encre);padding:20px 16px}
.chy-panneau h2{text-transform:uppercase;font-size:1.35rem;margin-bottom:14px}

/* ---------- Bloc SEO éditorial ---------- */
.chy-seo{order:99;background:var(--chy-brume);padding:44px 0;border-top:3px solid var(--chy-encre)}
.chy-seo h2{text-transform:uppercase;margin-bottom:16px}
.chy-seo h3{margin:22px 0 9px;font-size:1.14rem}
.chy-seo p{font-size:.98rem}

/* ---------- Pied de page ---------- */
.chy-pied{background:var(--chy-encre);color:#a9b4c7;padding:36px 0 26px;font-size:.93rem}
.chy-pied__grille{display:grid;gap:24px}
.chy-pied h4{color:#fff;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:11px}
.chy-pied ul{list-style:none;display:grid;gap:7px}
.chy-pied a{color:#a9b4c7;text-decoration:none}
.chy-pied a:hover{color:#fff}
.chy-pied__marque{display:flex;align-items:center;gap:9px;color:#fff;font-weight:700;margin-bottom:11px}
.chy-pied__marque svg{width:30px;height:30px}
.chy-pied__bas{border-top:2px solid rgba(255,255,255,.16);margin-top:26px;padding-top:16px;font-size:.85rem;display:grid;gap:8px}
.chy-pied__bas nav{display:flex;flex-wrap:wrap;gap:6px 16px}

/* ---------- Callbar mobile ---------- */
.chy-barre{
  position:fixed;left:0;right:0;bottom:0;z-index:900;display:flex;gap:9px;
  padding:9px 11px calc(9px + env(safe-area-inset-bottom));
  background:#fff;border-top:3px solid var(--chy-encre);
  transform:translateY(115%);transition:transform .22s ease;
}
.chy-barre.est-montree{transform:translateY(0)}
.chy-barre.est-cachee{transform:translateY(115%)}
.chy-barre__bt{
  flex:1 1 0;min-height:52px;display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:0 12px;font-weight:700;font-size:.98rem;text-decoration:none;line-height:1;
  border:3px solid var(--chy-encre);background:#fff;color:var(--chy-encre);text-transform:uppercase
}
.chy-barre__bt--fort{background:var(--chy-feu);color:#fff}

/* ---------- Popup de sortie ---------- */
.chy-pop{
  position:fixed;inset:0;z-index:990;background:rgba(16,22,35,.72);
  display:none;align-items:center;justify-content:center;padding:16px
}
.chy-pop.est-ouverte{display:flex}
.chy-pop__boite{background:#fff;border:4px solid var(--chy-encre);max-width:470px;width:100%;padding:24px 18px;position:relative;max-height:92vh;overflow-y:auto}
.chy-pop__fermer{
  position:absolute;top:8px;right:8px;min-width:44px;min-height:44px;background:#fff;
  border:2px solid var(--chy-encre);font-size:1.4rem;line-height:1;cursor:pointer;color:var(--chy-encre)
}
.chy-pop h2{text-transform:uppercase;font-size:1.35rem;margin:10px 0 8px}
.chy-pop p{font-size:.95rem;margin-bottom:16px}
.chy-pop__nonmerci{
  display:block;margin:14px auto 0;background:none;border:none;color:#66718a;
  font-size:.86rem;text-decoration:underline;cursor:pointer;font-family:inherit;padding:8px
}
.chy-pop__tel{display:block;text-align:center;margin-top:13px;font-weight:700;color:var(--chy-bleu);text-decoration:none}

/* ---------- Hero page ville ---------- */
.chy-heroville{background:var(--chy-brume);border-bottom:3px solid var(--chy-encre);padding:34px 0}
.chy-heroville__sur{display:inline-block;background:var(--chy-bleu);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;padding:6px 12px;margin-bottom:13px}
.chy-heroville h1{text-transform:none}
.chy-heroville__chapo{font-size:1.05rem;margin:13px 0 20px;max-width:62ch}
.chy-heroville__actions{display:grid;gap:11px;margin-bottom:18px}
.chy-heroville__gages{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.chy-heroville__gages li{border:2px solid var(--chy-encre);background:#fff;padding:6px 11px;font-size:.8rem;font-weight:700}

/* ---------- Hero page prestation ---------- */
.chy-heropresta{background:var(--chy-encre);color:#c9d2e2;padding:34px 0}
.chy-heropresta h1{color:#fff;text-transform:uppercase}
.chy-heropresta__chapo{margin:14px 0 20px;font-size:1.03rem}
.chy-heropresta__actions{display:grid;gap:11px;margin-bottom:20px}
.chy-heropresta__cadre{border:4px solid var(--chy-feu);line-height:0}
.chy-heropresta__gages{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chy-heropresta__gages li{border:2px solid rgba(255,255,255,.4);padding:6px 11px;font-size:.8rem;font-weight:700;color:#fff}

/* ---------- Fil d'ariane ---------- */
.chy-fil{background:var(--chy-brume);border-bottom:2px solid var(--chy-trait);font-size:.83rem;padding:9px 0}
.chy-fil ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.chy-fil li::after{content:"›";margin-left:6px;color:#93a0b6}
.chy-fil li:last-child::after{content:""}
.chy-fil a{color:#66718a;text-decoration:none}

/* ---------- Aides ---------- */
.chy-aides{display:grid;gap:13px}
.chy-aide{border:3px solid var(--chy-encre);background:#fff;padding:18px 16px;text-align:left}
.chy-aide__tag{display:inline-block;background:var(--chy-bleu);color:#fff;font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:4px 9px;margin-bottom:9px}
.chy-aide h3{text-transform:uppercase;font-size:1.05rem;margin-bottom:6px}
.chy-aide p{font-size:.93rem}

/* ---------- Blog ---------- */
.chy-artentete{background:var(--chy-encre);color:#c9d2e2;padding:32px 0}
.chy-artentete h1{color:#fff}
.chy-artentete__meta{margin-top:13px;font-size:.87rem;color:#9dabc2}
.chy-art{padding:34px 0}
.chy-art__corps{max-width:820px;margin:0 auto}
.chy-art__corps h2{text-transform:uppercase;margin:32px 0 13px}
.chy-art__corps h3{margin:24px 0 9px}
.chy-art__corps p{font-size:1rem}
.chy-art__corps ul,.chy-art__corps ol{margin:0 0 1em 1.2em}
.chy-art__corps li{margin-bottom:7px;font-size:1rem}
.chy-art__chapo{font-size:1.09rem;font-weight:500;border-left:6px solid var(--chy-feu);padding-left:15px;margin-bottom:24px}
.chy-art__image{border:3px solid var(--chy-encre);margin-bottom:24px}
.chy-sommaire{border:3px solid var(--chy-encre);background:var(--chy-brume);padding:17px 16px;margin-bottom:26px}
.chy-sommaire h2{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;margin:0 0 10px;color:var(--chy-bleu)}
.chy-sommaire ol{margin:0 0 0 1.1em}
.chy-sommaire li{margin-bottom:5px;font-size:.95rem}
.chy-ctaligne{border:3px solid var(--chy-encre);background:var(--chy-brume);padding:19px 16px;margin:26px 0;text-align:center}
.chy-ctaligne p{font-weight:700;margin-bottom:14px}
.chy-tableau{width:100%;border-collapse:collapse;margin:20px 0;font-size:.92rem;display:block;overflow-x:auto}
.chy-tableau th,.chy-tableau td{border:2px solid var(--chy-encre);padding:9px 11px;text-align:left;vertical-align:top}
.chy-tableau th{background:var(--chy-encre);color:#fff;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
.chy-tableau tbody tr:nth-child(even){background:var(--chy-brume)}
.chy-tableau tbody tr.est-nous{background:#e3ecff}
.chy-auteur{display:grid;gap:13px;border:3px solid var(--chy-encre);background:#fff;padding:19px 16px;margin:30px 0;text-align:center}
.chy-auteur img{width:96px;height:96px;border-radius:50%;object-fit:cover;margin:0 auto;border:3px solid var(--chy-encre)}
.chy-auteur h3{font-size:1.05rem;text-transform:uppercase}
.chy-auteur__role{color:var(--chy-bleu);font-weight:700;font-size:.8rem;letter-spacing:.09em;text-transform:uppercase;margin:3px 0 8px;display:block}
.chy-auteur p{font-size:.92rem}
.chy-fiche{border:3px solid var(--chy-encre);background:#fff;padding:19px 16px;margin:18px 0}
.chy-fiche__badge{display:inline-block;background:var(--chy-feu);color:#fff;font-size:.76rem;font-weight:700;padding:5px 11px;margin-bottom:11px}
.chy-fiche dl{display:grid;gap:9px;margin:0 0 14px}
.chy-fiche dt{font-size:.7rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:#66718a}
.chy-fiche dd{font-size:.95rem}
.chy-fiche blockquote{border-left:5px solid var(--chy-trait);padding-left:14px;margin:12px 0;font-size:.93rem;font-style:italic;color:#4a5468}
.chy-fiche blockquote cite{display:block;font-style:normal;font-size:.82rem;color:#66718a;margin-top:5px}
.chy-fiche__distinct{background:var(--chy-brume);border-left:6px solid var(--chy-bleu);padding:12px 14px;font-size:.94rem;margin-top:13px}

/* Cartes du blog / plan de site */
.chy-cartes{display:grid;gap:16px}
.chy-carte{border:3px solid var(--chy-encre);background:#fff;text-align:left}
.chy-carte__corps{padding:16px}
.chy-carte h2,.chy-carte h3{text-transform:uppercase;font-size:1.08rem;margin-bottom:7px}
.chy-carte a{color:var(--chy-encre);text-decoration:none}
.chy-carte a:hover{color:var(--chy-bleu)}
.chy-carte p{font-size:.93rem}

/* Pages légères (mentions, merci, 404, plan) */
.chy-texte{padding:40px 0}
.chy-texte h2{text-transform:uppercase;margin:28px 0 11px;font-size:1.28rem}
.chy-texte h3{margin:20px 0 8px;font-size:1.06rem}
.chy-texte ul{margin:0 0 1em 1.2em}
.chy-texte li{margin-bottom:6px}
.chy-plan{display:grid;gap:22px}
.chy-plan ul{list-style:none;display:grid;gap:8px}
.chy-plan a{color:var(--chy-encre);font-weight:600;text-decoration:none}
.chy-plan a:hover{color:var(--chy-bleu)}

/* ============================================================
   Tablette
   ============================================================ */
@media (min-width:620px){
  .chy-chiffres__grille{grid-template-columns:repeat(4,1fr)}
  .chy-form{grid-template-columns:1fr 1fr}
  .chy-form__message,.chy-form__envoi,.chy-form__note{grid-column:1/-1}
  .chy-avis{grid-template-columns:1fr 1fr}
  .chy-travaux{grid-template-columns:1fr 1fr}
  .chy-equipe{grid-template-columns:1fr 1fr}
  .chy-etapes{grid-template-columns:repeat(3,1fr)}
  .chy-cartes{grid-template-columns:1fr 1fr}
  .chy-simu__grille{grid-template-columns:1fr 1fr}
  .chy-aides{grid-template-columns:1fr 1fr}
  .chy-hero__actions{grid-template-columns:auto auto;justify-content:start;align-items:center}
  .chy-heroville__actions,.chy-heropresta__actions{grid-template-columns:auto auto;justify-content:start}
  .chy-appelaction__actions{grid-auto-flow:column}
  .chy-fiche dl{grid-template-columns:1fr 1fr}
  .chy-auteur{grid-template-columns:96px 1fr;text-align:left;align-items:start}
  .chy-auteur img{margin:0}
}

/* ============================================================
   Ordinateur
   ============================================================ */
@media (min-width:900px){
  :root{--chy-gout:28px}
  body{padding-bottom:0;font-size:17px}
  [id]{scroll-margin-top:86px}

  .chy-entete__rang{min-height:76px;gap:20px}
  .chy-entete__marque svg{width:38px;height:38px;flex:0 0 38px}
  .chy-entete__nom{font-size:1.1rem}
  .chy-burger{display:none}
  .chy-nav{display:flex;gap:20px;list-style:none;margin-right:12px}
  .chy-nav a{color:var(--chy-encre);text-decoration:none;font-weight:700;font-size:.93rem;text-transform:uppercase;letter-spacing:.03em}
  .chy-nav a:hover{color:var(--chy-bleu)}
  .chy-entete__appel{font-size:1.16rem;padding:0 18px;min-height:52px}
  .chy-entete__appel span{display:inline}

  .chy-hero{padding:56px 0 62px}
  .chy-hero__in{display:grid;grid-template-columns:1.12fr .88fr;gap:40px;align-items:center}
  .chy-hero__chapo{font-size:1.16rem}
  .chy-hero__appel b{font-size:2.15rem}
  .chy-hero__pts{grid-template-columns:1fr 1fr;gap:10px 20px;margin-bottom:0}

  .chy-chiffres__case b{font-size:1.85rem}
  .chy-devis{padding:44px 0 50px}
  .chy-devis .chy-form{grid-template-columns:1.05fr .95fr 1.1fr .95fr 1.05fr}
  .chy-devis .chy-form__message{grid-column:1/4}
  .chy-devis .chy-form__envoi{grid-column:4/6;display:flex;align-items:flex-end}
  .chy-devis .chy-form__envoi .chy-bt{width:100%;min-height:50px}

  .chy-sec{padding:66px 0}
  .chy-bande__in{grid-template-columns:74px 250px 1fr auto;gap:30px;align-items:center;padding:34px var(--chy-gout)}
  .chy-bande__num{font-size:3.2rem}
  .chy-bande__liste{margin:12px 0 0}
  .chy-bande__action{white-space:nowrap}

  .chy-choix{grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
  .chy-carre{padding:32px 26px}
  .chy-avis{grid-template-columns:repeat(3,1fr)}
  .chy-tarif{align-items:center;padding:20px 22px}
  .chy-tarif h3{flex:0 0 260px}
  .chy-tarif p{flex:1 1 300px}
  .chy-simu{padding:30px 28px}
  .chy-simu__grille{grid-template-columns:repeat(3,1fr)}
  .chy-travaux{grid-template-columns:repeat(3,1fr)}
  .chy-equipe{grid-template-columns:repeat(4,1fr)}
  .chy-zone{grid-template-columns:1.05fr .95fr;gap:36px;align-items:start}
  .chy-zone__carte iframe{height:420px}
  .chy-contact{grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
  .chy-panneau{padding:30px 28px}
  .chy-etude{display:grid;grid-template-columns:.95fr 1.05fr;align-items:stretch}
  .chy-etude img{height:100%;object-fit:cover}
  .chy-etude__corps{padding:30px 28px}
  .chy-heroville{padding:52px 0}
  .chy-heropresta{padding:52px 0}
  .chy-heropresta__in{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
  .chy-pied__grille{grid-template-columns:1.6fr 1fr 1fr 1fr}
  .chy-pied__bas{display:flex;justify-content:space-between;align-items:center}
  .chy-cartes{grid-template-columns:repeat(3,1fr)}
  .chy-plan{grid-template-columns:repeat(3,1fr)}
  .chy-art{padding:52px 0}
  .chy-aides{grid-template-columns:repeat(3,1fr)}
  .chy-barre{display:none}
  .chy-tableau{display:table}
  /* Le comparateur déborde volontairement la colonne de lecture : 7 colonnes
     dans 820px sont illisibles. Il reste dans la largeur du conteneur. */
  .chy-tableau--large{margin-left:-155px;margin-right:-155px;width:calc(100% + 310px)}
}

@media (min-width:1100px){
  .chy-hero h1{font-size:3.55rem}
}

@media (prefers-reduced-motion:reduce){
  .chy-barre,.chy-tiroir,.chy-tiroir__panneau{transition:none}
}