/* =========================================================
   FORGE & PIXEL — feuille de styles
   Charte v1. Aucun arrondi, aucun dégradé décoratif.
   ========================================================= */

@font-face{
  font-family:"Archivo";
  src:url("../fonts/archivo.woff2") format("woff2-variations");
  font-weight:400 800; font-stretch:110%; font-display:swap; font-style:normal;
}
@font-face{
  font-family:"Karla";
  src:url("../fonts/karla.woff2") format("woff2-variations");
  font-weight:400 700; font-display:swap; font-style:normal;
}

:root{
  --enclume:#161A1D;
  --enclume-clair:#1E2428;
  --acier:#3E4A52;
  --acier-clair:#7C8A94;
  --braise:#F26A1B;
  --braise-sombre:#C2410C;
  --etincelle:#FFC24A;
  --fonte:#E8E6E1;
  --blanc:#FFFFFF;
  --filet:#CFCBC4;
  --filet-sombre:#2C343A;

  --serre:-0.03em;
  --large:0.18em;

  --pas:clamp(4.5rem,9vw,8rem);
  --gouttiere:clamp(1.25rem,4vw,2.5rem);
  --largeur:1180px;

  --duree:.6s;
  --courbe:cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--fonte);
  color:var(--enclume);
  font-family:"Karla",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg{max-width:100%;height:auto;display:block}
a{color:inherit}

:focus-visible{
  outline:3px solid var(--braise);
  outline-offset:3px;
}

.saut-contenu{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--braise);color:var(--blanc);padding:14px 22px;
  font-family:"Archivo";font-weight:700;font-size:14px;text-decoration:none;
}
.saut-contenu:focus{left:0}

/* ---------- Trame ---------- */
.contenu{
  width:100%;max-width:var(--largeur);
  margin-inline:auto;
  padding-inline:var(--gouttiere);
}
section{padding-block:var(--pas)}

.bloc-sombre{background:var(--enclume);color:var(--blanc)}
.bloc-sombre .sous{color:var(--acier-clair)}

/* ---------- Typographie ---------- */
h1,h2,h3,h4,.surtitre,.bouton,.nav a,.chiffre{
  font-family:"Archivo",system-ui,sans-serif;
}
h1{
  font-weight:800;font-size:clamp(2.6rem,7.2vw,5.1rem);
  line-height:1.02;letter-spacing:var(--serre);margin:0;
  text-wrap:balance;
}
h2{
  font-weight:800;font-size:clamp(1.9rem,4.4vw,3.1rem);
  line-height:1.08;letter-spacing:var(--serre);margin:0 0 .6rem;
  text-wrap:balance;
}
h3{font-weight:700;font-size:1.18rem;letter-spacing:-.01em;margin:0 0 .5rem}
p{margin:0 0 1.15rem;max-width:64ch}
.sous{color:var(--acier);font-size:clamp(1.02rem,1.6vw,1.18rem)}
.surtitre{
  display:block;font-size:.72rem;font-weight:700;
  letter-spacing:var(--large);text-transform:uppercase;
  color:var(--braise);margin-bottom:1rem;
}
.entete-section{margin-bottom:clamp(2.5rem,5vw,4rem);max-width:44ch}

/* ---------- Jauge de chauffe (élément signature) ---------- */
.chauffe{
  position:fixed;top:0;right:0;width:4px;height:100vh;
  background:var(--filet-sombre);z-index:60;pointer-events:none;
}
.chauffe span{
  display:block;width:100%;height:0;
  background:linear-gradient(180deg,var(--acier) 0%,var(--braise-sombre) 45%,var(--braise) 75%,var(--etincelle) 100%);
  transition:height .1s linear;
}
@media(max-width:900px){
  .chauffe{width:100vw;height:3px;top:0;right:auto;left:0}
  .chauffe span{height:100%;width:0;
    background:linear-gradient(90deg,var(--acier) 0%,var(--braise-sombre) 45%,var(--braise) 75%,var(--etincelle) 100%);
    transition:width .1s linear}
}

/* ---------- En-tête ---------- */
.entete{
  position:fixed;inset:0 0 auto 0;z-index:50;
  padding-block:1.05rem;
  background:transparent;
  transition:background .35s var(--courbe),padding .35s var(--courbe),box-shadow .35s var(--courbe);
}
.entete.figee{
  background:rgba(22,26,29,.94);
  backdrop-filter:blur(14px);
  padding-block:.65rem;
  box-shadow:0 1px 0 var(--filet-sombre);
}
.barre-entete{display:flex;align-items:center;justify-content:space-between;gap:1.5rem}
.marque{display:block;width:clamp(148px,17vw,196px)}
.marque svg{width:100%;height:auto}

.nav{display:flex;align-items:center;gap:clamp(1rem,2.4vw,2.1rem)}
.nav a{
  color:var(--blanc);text-decoration:none;
  font-size:.82rem;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;position:relative;padding-block:4px;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--braise);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--courbe);
}
.nav a:hover::after,.nav a:focus-visible::after{transform:scaleX(1)}

.bouton{
  display:inline-flex;align-items:center;gap:.7rem;
  padding:1rem 1.75rem;border:none;cursor:pointer;
  font-size:.85rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  text-decoration:none;background:var(--braise);color:var(--blanc);
  position:relative;overflow:hidden;
  transition:transform .25s var(--courbe);
}
.bouton::before{
  content:"";position:absolute;inset:0;background:var(--braise-sombre);
  transform:translateY(101%);transition:transform .32s var(--courbe);
}
.bouton span{position:relative;z-index:1}
.bouton:hover::before,.bouton:focus-visible::before{transform:translateY(0)}
.bouton:active{transform:translateY(2px)}
.bouton.fantome{background:transparent;border:1px solid var(--acier-clair);color:var(--blanc)}
.bouton.fantome::before{background:var(--blanc)}
.bouton.fantome:hover,.bouton.fantome:focus-visible{color:var(--enclume)}
.bouton.pleine{width:100%;justify-content:center}

.brulot{
  position:absolute;top:0;left:0;height:2px;width:100%;
  background:var(--braise);transform:scaleX(0);transform-origin:left;
  transition:transform .45s var(--courbe);
}

/* Bascule du menu mobile */
.bascule{
  display:none;background:none;border:none;cursor:pointer;
  width:44px;height:44px;padding:10px;
}
.bascule i{display:block;height:2px;background:var(--blanc);margin:5px 0;transition:transform .3s var(--courbe),opacity .2s}
.bascule[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.bascule[aria-expanded="true"] i:nth-child(2){opacity:0}
.bascule[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:860px){
  .bascule{display:block}
  .nav{
    position:fixed;inset:0;flex-direction:column;justify-content:center;
    gap:1.9rem;background:var(--enclume);
    clip-path:inset(0 0 100% 0);transition:clip-path .5s var(--courbe);
  }
  .nav a{font-size:1.35rem}
  .nav[data-ouvert="true"]{clip-path:inset(0 0 0 0)}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  background:var(--enclume);color:var(--blanc);
  padding-block:clamp(7rem,14vh,10rem) var(--pas);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:180px;
  background:linear-gradient(180deg,transparent,rgba(232,230,225,.06));
  pointer-events:none;
}
.hero-grille{
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:clamp(2rem,5vw,4.5rem);align-items:center;
}
.hero .accroche{
  display:block;font-family:"Archivo";font-weight:700;font-size:.75rem;
  letter-spacing:var(--large);text-transform:uppercase;color:var(--braise);
  margin-bottom:1.6rem;
}
.hero h1 .braise{color:var(--braise)}
.hero .promesse{
  color:var(--acier-clair);font-size:clamp(1.08rem,1.9vw,1.32rem);
  margin-top:1.7rem;max-width:46ch;
}
.actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.4rem}
.rassure{
  display:flex;flex-wrap:wrap;gap:1.4rem 2.2rem;margin-top:3rem;
  padding-top:1.8rem;border-top:1px solid var(--filet-sombre);
  list-style:none;padding-left:0;
}
.rassure li{
  font-size:.83rem;letter-spacing:.04em;color:var(--acier-clair);
  display:flex;align-items:center;gap:.6rem;
}
.rassure li::before{content:"";width:8px;height:8px;background:var(--braise);flex:none}

/* Le symbole qui s'allume */
.forge-visuel{display:flex;justify-content:center;align-items:center}
.forge-visuel svg{width:min(320px,72vw);height:auto;overflow:visible}
.forge-visuel rect{opacity:0}
.js .forge-visuel rect{animation:allumage .62s var(--courbe) forwards}
.js .forge-visuel rect:nth-child(1){animation-delay:.25s}
.js .forge-visuel rect:nth-child(2){animation-delay:.37s}
.js .forge-visuel rect:nth-child(3){animation-delay:.49s}
.js .forge-visuel rect:nth-child(4){animation-delay:.61s}
.js .forge-visuel rect:nth-child(5){animation-delay:.73s}
.js .forge-visuel rect:nth-child(6){animation-delay:.85s}
.js .forge-visuel rect:nth-child(7){animation-delay:1.02s}
@keyframes allumage{
  from{opacity:0;transform:translate3d(-14px,14px,0) scale(.72)}
  to{opacity:1;transform:none}
}

.defiler{
  position:absolute;left:var(--gouttiere);bottom:2.2rem;
  font-family:"Archivo";font-size:.68rem;letter-spacing:var(--large);
  text-transform:uppercase;color:var(--acier-clair);
  display:flex;align-items:center;gap:.9rem;
}
.defiler::after{content:"";width:52px;height:1px;background:var(--acier);animation:glisse 2.6s infinite var(--courbe)}
@keyframes glisse{0%,100%{transform:scaleX(.4);transform-origin:left}50%{transform:scaleX(1);transform-origin:left}}

@media(max-width:860px){
  .hero-grille{grid-template-columns:1fr}
  .forge-visuel{order:-1;justify-content:flex-start}
  .forge-visuel svg{width:min(190px,46vw)}
  .defiler{display:none}
}

/* ---------- Apparitions au défilement ---------- */
.js .monte{opacity:0;transform:translate3d(0,26px,0);
  transition:opacity .7s var(--courbe),transform .7s var(--courbe)}
.js .monte.vu{opacity:1;transform:none}

/* ---------- Expertise ---------- */
.expertise{background:var(--fonte)}
.duo-texte{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,5rem);align-items:start}
.duo-texte .sous{margin-bottom:1.2rem}
.jalons{list-style:none;margin:0;padding:0;border-top:1px solid var(--filet)}
.jalons li{
  display:grid;grid-template-columns:auto 1fr;gap:1.4rem;align-items:baseline;
  padding:1.25rem 0;border-bottom:1px solid var(--filet);
}
.jalons .chiffre{font-weight:800;font-size:1.6rem;color:var(--braise);line-height:1}
.jalons strong{display:block;font-family:"Archivo";font-size:1rem;font-weight:700}
.jalons span.detail{font-size:.94rem;color:var(--acier)}
@media(max-width:860px){.duo-texte{grid-template-columns:1fr}}

/* ---------- Offres ---------- */
.offres{background:var(--blanc)}
.grille-offres{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.offre{
  position:relative;background:var(--fonte);border:1px solid var(--filet);
  padding:clamp(1.7rem,3vw,2.4rem);display:flex;flex-direction:column;
  transition:transform .4s var(--courbe),box-shadow .4s var(--courbe);
}
.offre:hover,.offre:focus-within{transform:translateY(-6px);box-shadow:0 18px 40px -28px rgba(22,26,29,.55)}
.offre:hover .brulot,.offre:focus-within .brulot{transform:scaleX(1)}
.offre.phare{background:var(--enclume);color:var(--blanc);border-color:var(--enclume)}
.offre.phare .prix,.offre.phare h3{color:var(--blanc)}
.offre.phare .inclus li{color:var(--acier-clair);border-color:var(--filet-sombre)}
.etiquette{
  position:absolute;top:0;right:0;background:var(--braise);color:var(--blanc);
  font-family:"Archivo";font-size:.62rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;padding:.45rem .8rem;
}
.prix{font-family:"Archivo";font-weight:800;font-size:2rem;letter-spacing:var(--serre);margin:.2rem 0 .3rem}
.prix small{font-family:"Karla";font-weight:400;font-size:.82rem;color:var(--acier);letter-spacing:0}
.offre > p{font-size:.97rem;color:var(--acier)}
.offre.phare > p{color:var(--acier-clair)}
.inclus{list-style:none;margin:1.4rem 0 2rem;padding:0;flex:1}
.inclus li{
  font-size:.94rem;color:var(--acier);padding:.62rem 0 .62rem 1.55rem;
  border-bottom:1px solid var(--filet);position:relative;
}
.inclus li::before{
  content:"";position:absolute;left:0;top:1.02rem;width:7px;height:7px;background:var(--braise);
}
@media(max-width:980px){.grille-offres{grid-template-columns:1fr;max-width:520px;margin-inline:auto}}

/* ---------- Réalisations ---------- */
.realisations{background:var(--enclume);color:var(--blanc)}
.grille-refs{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem}
.ref{
  position:relative;background:var(--enclume-clair);border:1px solid var(--filet-sombre);
  padding:clamp(1.6rem,3vw,2.2rem);text-decoration:none;display:block;
  transition:transform .4s var(--courbe),border-color .4s var(--courbe);
}
.ref:hover,.ref:focus-visible{transform:translateY(-6px);border-color:var(--acier)}
.ref:hover .brulot,.ref:focus-visible .brulot{transform:scaleX(1)}
.ref .metier{
  font-family:"Archivo";font-size:.68rem;font-weight:700;letter-spacing:var(--large);
  text-transform:uppercase;color:var(--braise);
}
.ref h3{margin:.7rem 0 .5rem;font-size:1.35rem}
.ref p{color:var(--acier-clair);font-size:.95rem;margin-bottom:0}
.ref .resultat{
  margin-top:1.5rem;padding-top:1.1rem;border-top:1px solid var(--filet-sombre);
  font-family:"Archivo";font-weight:700;font-size:.9rem;color:var(--etincelle);
}
.temoignage{
  grid-column:1/-1;background:transparent;border:1px solid var(--filet-sombre);
  padding:clamp(2rem,4vw,3.2rem);
}
.temoignage blockquote{
  margin:0;font-family:"Archivo";font-weight:700;
  font-size:clamp(1.25rem,2.5vw,1.85rem);line-height:1.35;letter-spacing:-.02em;
  text-wrap:balance;
}
.temoignage footer{margin-top:1.4rem;font-size:.92rem;color:var(--acier-clair)}
@media(max-width:860px){.grille-refs{grid-template-columns:1fr}}

/* ---------- Processus ---------- */
.processus{background:var(--fonte)}
.etapes{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--enclume)}
.etape{padding:2rem 1.6rem 2.2rem 0;border-right:1px solid var(--filet);padding-right:1.6rem;position:relative}
.etape:last-child{border-right:none}
.etape::before{
  content:"";position:absolute;top:-2px;left:0;height:2px;width:0;background:var(--braise);
  transition:width .9s var(--courbe);
}
.etape.vu::before{width:100%}
.etape .num{
  font-family:"Archivo";font-weight:800;font-size:.72rem;letter-spacing:var(--large);
  color:var(--braise);display:block;margin-bottom:.9rem;
}
.etape p{font-size:.95rem;color:var(--acier);margin-bottom:0}
.etape .delai{display:block;margin-top:1rem;font-family:"Archivo";font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--acier-clair)}
@media(max-width:980px){
  .etapes{grid-template-columns:1fr;border-top:none}
  .etape{border-right:none;border-top:2px solid var(--filet);padding:1.7rem 0}
  .etape::before{top:-2px}
}

/* ---------- FAQ ---------- */
.faq{background:var(--blanc)}
.questions{border-top:1px solid var(--filet);max-width:860px}
.question{border-bottom:1px solid var(--filet)}
.question summary{
  display:flex;justify-content:space-between;align-items:center;gap:1.5rem;
  cursor:pointer;list-style:none;padding:1.5rem 0;
  font-family:"Archivo";font-weight:700;font-size:1.06rem;
}
.question summary::-webkit-details-marker{display:none}
.question summary .croix{position:relative;width:16px;height:16px;flex:none}
.question summary .croix::before,.question summary .croix::after{
  content:"";position:absolute;background:var(--braise);transition:transform .3s var(--courbe);
}
.question summary .croix::before{inset:7px 0;height:2px}
.question summary .croix::after{inset:0 7px;width:2px}
.question[open] summary .croix::after{transform:scaleY(0)}
.question .reponse{padding-bottom:1.6rem}
.question .reponse p{color:var(--acier);margin-bottom:0}

/* ---------- Contact ---------- */
.contact{background:var(--enclume);color:var(--blanc)}
.grille-contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2.4rem,6vw,5rem)}
.coordonnees{list-style:none;margin:2rem 0 0;padding:0}
.coordonnees li{padding:1.05rem 0;border-bottom:1px solid var(--filet-sombre)}
.coordonnees .cle{
  display:block;font-family:"Archivo";font-size:.68rem;font-weight:700;
  letter-spacing:var(--large);text-transform:uppercase;color:var(--acier-clair);margin-bottom:.3rem;
}
.coordonnees a{color:var(--blanc);text-decoration:none;font-size:1.05rem;border-bottom:1px solid var(--braise);padding-bottom:2px}
.coordonnees a:hover{color:var(--braise)}

.formulaire{display:grid;gap:1.1rem}
.champ label{
  display:block;font-family:"Archivo";font-size:.72rem;font-weight:700;
  letter-spacing:var(--large);text-transform:uppercase;color:var(--acier-clair);margin-bottom:.5rem;
}
.champ input,.champ select,.champ textarea{
  width:100%;padding:.95rem 1.05rem;background:var(--enclume-clair);
  border:1px solid var(--filet-sombre);color:var(--blanc);
  font-family:"Karla";font-size:1rem;
  transition:border-color .3s var(--courbe),background .3s var(--courbe);
}
.champ input:focus,.champ select:focus,.champ textarea:focus{
  border-color:var(--braise);background:var(--enclume);outline:none;
}
.champ textarea{min-height:132px;resize:vertical}
.duo-champs{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.consentement{display:flex;gap:.85rem;align-items:flex-start;font-size:.86rem;color:var(--acier-clair)}
.consentement input{width:20px;height:20px;flex:none;margin-top:3px;accent-color:var(--braise)}
.consentement a{color:var(--acier-clair)}
.retour{font-size:.95rem;padding:1rem 1.15rem;border:1px solid var(--filet-sombre);display:none}
.retour[data-etat="ok"]{display:block;border-color:var(--braise);color:var(--etincelle)}
.retour[data-etat="ko"]{display:block;border-color:#B3341F;color:#FF8E76}
@media(max-width:860px){.grille-contact,.duo-champs{grid-template-columns:1fr}}

/* ---------- Pied de page ---------- */
.pied{background:var(--enclume);color:var(--acier-clair);
  border-top:1px solid var(--filet-sombre);padding-block:3.4rem 2.4rem;font-size:.9rem}
.pied-haut{display:flex;flex-wrap:wrap;gap:2rem;justify-content:space-between;align-items:flex-start}
.pied .marque{width:170px;margin-bottom:1rem}
.pied nav{display:flex;flex-wrap:wrap;gap:1.5rem}
.pied a{color:var(--acier-clair);text-decoration:none;border-bottom:1px solid transparent}
.pied a:hover{color:var(--blanc);border-color:var(--braise)}
.pied-bas{margin-top:2.6rem;padding-top:1.5rem;border-top:1px solid var(--filet-sombre);
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-size:.82rem}

/* ---------- Pages légales ---------- */
.page-legale{padding-block:clamp(8rem,16vh,11rem) var(--pas);background:var(--fonte)}
.page-legale .contenu{max-width:780px}
.page-legale h2{font-size:clamp(1.4rem,2.6vw,1.8rem);margin-top:2.8rem}
.page-legale ul{color:var(--acier)}
.page-legale .maj{font-size:.85rem;color:var(--acier-clair);letter-spacing:.04em}
.aremplir{background:rgba(242,106,27,.14);border-left:3px solid var(--braise);
  padding:.15rem .45rem;font-family:"Archivo";font-weight:600;font-size:.92em}

/* ---------- Animations réduites ---------- */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important;
  }
  .js .monte{opacity:1;transform:none}
  .js .forge-visuel rect{opacity:1;animation:none}
  .chauffe{display:none}
}

/* ---------- Impression ---------- */
@media print{
  .entete,.chauffe,.defiler,.formulaire{display:none}
  body{background:#fff;color:#000}
}