/* =========================================================
   BSP CONSTRUCTION — Bâtir son patrimoine
   Charte graphique officielle : Marine / Rouge brique / Blanc cassé
========================================================= */

:root{
  --marine: #122635;
  --marine-2: #1B3547;
  --marine-clair: #2C4A5E;
  --rouge: #C4271A;
  --rouge-fonce: #9E1F14;
  --rouge-clair: #E2574A;
  --creme: #FAF8F6;
  --creme-2: #F1EEEA;
  --gris: #6B6863;
  --gris-clair: #DDD9D3;
  --blanc: #FFFFFF;
  --radius: 3px;
  --ombre: 0 14px 34px rgba(18,38,53,0.10);
  --ombre-forte: 0 20px 46px rgba(18,38,53,0.22);
  --marge-section: clamp(64px, 9vw, 116px);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Inter',Arial,Helvetica,sans-serif;
  color:var(--marine);
  background:var(--creme);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:'Archivo',Arial,sans-serif;
  text-transform:uppercase;
  font-weight:800;
  letter-spacing:0.2px;
  line-height:1.14;
  margin:0 0 20px;
  color:var(--marine);
}
h1{font-size:clamp(2.1rem,4.4vw,3.4rem);}
h2{font-size:clamp(1.6rem,3vw,2.3rem);}
h3{font-size:1.2rem;}
p{margin:0 0 18px;color:var(--gris);}
strong{font-weight:700;color:var(--marine);}
ul{padding-left:1.1em;margin:0 0 18px;}
li{margin-bottom:8px;color:var(--gris);}
.container{
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}
section{padding:var(--marge-section) 0;}
.bg-creme2{background:var(--creme-2);}
.bg-marine{background:var(--marine);color:var(--creme);}
.bg-marine p, .bg-marine li{color:var(--gris-clair);}
.bg-marine h2, .bg-marine h3{color:var(--blanc);}
.accent-rouge{color:var(--rouge);}

/* ---------- Serif : réservé au nom de marque et grandes citations ---------- */
.serif{font-family:'Playfair Display',Georgia,serif;text-transform:none;font-weight:600;}

/* ---------- Eyebrow : libellé de section avec filets ---------- */
.eyebrow{
  font-family:'Inter',Arial,sans-serif;
  text-transform:uppercase;
  letter-spacing:3px;
  font-size:0.76rem;
  font-weight:700;
  color:var(--rouge);
  display:flex;
  align-items:center;
  gap:16px;
  margin-bottom:16px;
}
.eyebrow::before{content:"";height:1px;width:34px;background:var(--rouge);display:inline-block;}
.eyebrow.centre{justify-content:center;}
.eyebrow.centre::after{content:"";height:1px;width:34px;background:var(--rouge);display:inline-block;}
.bg-marine .eyebrow{color:var(--rouge-clair);}
.bg-marine .eyebrow::before, .bg-marine .eyebrow.centre::after{background:var(--rouge-clair);}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:'Inter',Arial,sans-serif;
  text-transform:uppercase;
  letter-spacing:1px;
  font-weight:700;
  font-size:0.86rem;
  padding:15px 30px;
  border-radius:var(--radius);
  border:1.5px solid transparent;
  cursor:pointer;
  position:relative;
  overflow:hidden;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn::before{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(120deg, transparent, rgba(255,255,255,0.28), transparent);
  transform:skewX(-20deg);transition:left .55s ease;
}
.btn:hover::before{left:130%;}
.btn-rouge{background:var(--rouge);color:var(--blanc);}
.btn-rouge:hover{background:var(--rouge-fonce);transform:translateY(-2px);box-shadow:var(--ombre-forte);}
.btn-marine{background:var(--marine);color:var(--creme);}
.btn-marine:hover{background:var(--marine-2);transform:translateY(-2px);box-shadow:var(--ombre-forte);}
.btn-outline{background:transparent;border-color:var(--marine);color:var(--marine);}
.btn-outline:hover{background:var(--marine);color:var(--creme);}
.bg-marine .btn-outline{border-color:var(--creme);color:var(--creme);}
.bg-marine .btn-outline:hover{background:var(--creme);color:var(--marine);}
.btn-lg{padding:18px 34px;font-size:0.92rem;}

/* ================= HEADER ================= */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--blanc);
  border-bottom:1px solid var(--gris-clair);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(18,38,53,0.10);}
.header-top{
  background:var(--marine);
  color:var(--gris-clair);
  font-size:0.85rem;
}
.header-top .container{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:8px;padding-bottom:8px;
  flex-wrap:wrap;gap:8px;
}
.header-top a{color:var(--rouge-clair);font-weight:600;}
.header-top-droite{display:flex;align-items:center;gap:16px;}
.header-top-actions{display:flex;align-items:center;gap:16px;}
.btn-devis-topbar{display:none;}
.reseau-lien{
  display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;color:var(--rouge-clair);
  transition:color .2s ease, transform .2s ease;
}
.reseau-lien svg{width:100%;height:100%;}
.reseau-lien:hover{color:var(--blanc);transform:translateY(-2px);}
.reseaux-sociaux{display:flex;gap:12px;margin-top:18px;}
.reseaux-sociaux .reseau-lien{
  width:36px;height:36px;padding:8px;border-radius:50%;
  background:rgba(250,248,246,0.1);color:var(--gris-clair);
}
.reseaux-sociaux .reseau-lien:hover{background:var(--rouge);color:var(--blanc);}
.header-top .adresse{color:var(--gris-clair);}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 24px;
}
.logo-link img{height:52px;width:auto;}
.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav > ul{
  display:flex;list-style:none;margin:0;padding:0;gap:2px;align-items:center;
}
.main-nav > ul > li{position:relative;}
.main-nav > ul > li > a{
  display:block;padding:12px 16px;
  font-family:'Inter',Arial,sans-serif;
  text-transform:uppercase;font-size:0.85rem;font-weight:700;letter-spacing:0.4px;
  border-radius:var(--radius);
  transition:background .15s ease,color .15s ease, letter-spacing .2s ease;
  color:var(--marine);
  position:relative;
}
.main-nav > ul > li > a:hover{letter-spacing:0.7px;}
.main-nav > ul > li > a:hover,
.main-nav > ul > li.actif > a{background:var(--marine);color:var(--creme);}
.main-nav .sous-menu{
  position:absolute;top:100%;left:0;
  width:560px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:2px 10px;
  background:var(--blanc);
  box-shadow:var(--ombre-forte);
  border-top:2px solid var(--rouge);
  list-style:none;margin:0;padding:14px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .16s ease, transform .16s ease, visibility .16s ease;
  z-index:50;
}
.main-nav li.a-sous-menu:hover .sous-menu,
.main-nav li.a-sous-menu:focus-within .sous-menu{
  opacity:1;visibility:visible;transform:translateY(0);
}
.main-nav .sous-menu a{
  display:block;padding:12px 14px;border-radius:var(--radius);
  font-family:'Inter',sans-serif;font-size:0.9rem;font-weight:600;color:var(--marine);
  line-height:1.3;
}
.main-nav .sous-menu a:hover{background:var(--creme-2);color:var(--rouge);}
.main-nav .sous-menu a.actif{color:var(--rouge);}
.chevron{font-size:0.65em;margin-left:4px;}
.nav-cta{margin-left:14px;}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.burger span{display:block;width:26px;height:3px;background:var(--marine);margin:5px 0;flex-shrink:0;}
.fermer-menu{display:none;}
.mobile-menu-header{display:none;}
.mobile-menu-cta{display:none;}
.menu-overlay{display:none;}

/* ================= HERO ACCUEIL — chevron plein écran ================= */
.hero-split{
  display:flex;
  align-items:stretch;
  min-height:116vh;
  overflow:hidden;
  position:relative;
}
.hero-split-texte{
  flex:0 0 55%;
  display:flex;flex-direction:column;justify-content:center;
  padding-left:max(24px, calc((100vw - 1180px)/2 + 24px));
  padding-right:40px;
  position:relative;z-index:2;
}
.hero-split-texte h1{
  margin-bottom:20px;
  font-size:clamp(1.7rem,2.7vw,2.4rem);
}
.hero-split-texte .lead{font-size:1.05rem;max-width:40ch;color:var(--gris);}
.hero-split-image{
  flex:0 0 45%;
  position:relative;
  clip-path:polygon(4% 0, 100% 0, 100% 100%, 3% 100%, 11% 50%);
  opacity:0;
  animation:heroImageIn 1s cubic-bezier(.22,.61,.36,1) forwards;
  animation-delay:.3s;
}
.hero-split-image img{width:100%;height:100%;object-fit:cover;object-position:35% 45%;animation:heroZoomSlow 24s ease-in-out infinite alternate;}
@keyframes heroZoomSlow{from{transform:scale(1);}to{transform:scale(1.07);}}
@keyframes heroImageIn{from{opacity:0;transform:translateX(36px) scale(1.03);}to{opacity:1;transform:translateX(0) scale(1);}}
@media (prefers-reduced-motion: reduce){
  .hero-split-image{opacity:1;animation:none;transform:none;}
  .hero-split-image img{animation:none;}
}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-top:30px;}

.hero-split-texte .eyebrow,
.hero-split-texte h1,
.hero-split-texte .lead,
.hero-split-texte .hero-cta{
  opacity:0;animation:heroFadeUp .9s cubic-bezier(.22,.61,.36,1) forwards;
}
.hero-split-texte .eyebrow{animation-delay:.1s;}
.hero-split-texte h1{animation-delay:.25s;}
.hero-split-texte .lead{animation-delay:.42s;}
.hero-split-texte .hero-cta{animation-delay:.58s;}
@keyframes heroFadeUp{from{opacity:0;transform:translateY(28px);}to{opacity:1;transform:translateY(0);}}
@media (prefers-reduced-motion: reduce){
  .hero-split-texte .eyebrow,.hero-split-texte h1,.hero-split-texte .lead,.hero-split-texte .hero-cta{animation:none;opacity:1;transform:none;}
}

/* ================= PAGE HERO (pages internes) ================= */
.page-hero{
  background:var(--marine);
  color:var(--creme);
  padding:64px 0 52px;
  position:relative;
  overflow:hidden;
}
.page-hero .container{position:relative;z-index:2;}
.page-hero-deco{
  position:absolute;top:0;right:0;bottom:0;width:40%;
  clip-path:polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
  background:linear-gradient(135deg, var(--rouge) 0%, var(--rouge-fonce) 100%);
  opacity:0.9;
}
.fil-ariane{
  font-size:0.84rem;color:var(--gris-clair);margin-bottom:18px;
  display:flex;gap:8px;flex-wrap:wrap;
}
.fil-ariane a{color:var(--rouge-clair);}
.fil-ariane span{color:var(--gris-clair);}
.page-hero h1{color:var(--blanc);margin-bottom:14px;font-size:clamp(1.9rem,3.6vw,2.7rem);max-width:32ch;}
.page-hero .chapo{max-width:78ch;color:var(--blanc);font-size:1.08rem;font-weight:400;margin-bottom:0;text-transform:none;}

/* ================= SECTIONS GENERIQUES ================= */
.grille-2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:stretch;}
.grille-2.inverse .col-texte{order:2;}
.grille-2.inverse .col-image{order:1;}
.col-texte{display:flex;flex-direction:column;justify-content:center;}
.col-image{position:relative;min-height:340px;overflow:hidden;border-radius:var(--radius);box-shadow:var(--ombre);}
.col-image img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.col-image:hover img{transform:scale(1.045);}

/* ---------- Métiers : frise d'icônes (remplace les cartes) ---------- */
.metiers-grille{
  display:grid;grid-template-columns:repeat(4,1fr);gap:40px 30px;margin-top:48px;
}
.metier-item{text-align:left;}
.metier-icone{
  width:52px;height:52px;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;
  color:var(--marine);
  transition:color .25s ease, transform .35s cubic-bezier(.22,.61,.36,1);
}
.metier-icone svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.5;}
.metier-item:hover .metier-icone{color:var(--rouge);transform:translateY(-4px) rotate(-4deg) scale(1.08);}
.metier-item h3{font-size:0.98rem;margin-bottom:8px;letter-spacing:0.3px;}
.metier-item p{font-size:0.9rem;color:var(--gris);margin-bottom:10px;}
.metier-item a.lien-metier{
  font-size:0.82rem;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;color:var(--rouge);
  border-bottom:1px solid transparent;
}
.metier-item a.lien-metier:hover{border-color:var(--rouge);}

/* ---------- Métiers : 2 lignes carrousel manuel (desktop) ---------- */
.metiers-carousel-wrap{display:flex;flex-direction:column;gap:20px;margin-top:48px;}
.metiers-carousel-groupe{display:flex;align-items:center;gap:14px;}
.metiers-carousel-viewport{flex:1;overflow:hidden;}
.metiers-carousel-track{display:flex;gap:20px;transition:transform .4s cubic-bezier(.22,.61,.36,1);}
.metier-carte-carousel{
  flex:0 0 var(--carte-largeur, calc(25% - 15px));
  background:var(--blanc);
  border:1px solid var(--gris-clair);
  border-radius:var(--radius);
  padding:30px 26px;
  transition:border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.metier-carte-carousel:hover{border-color:var(--rouge);box-shadow:var(--ombre);transform:translateY(-4px);}
.metier-carte-carousel h3{font-size:0.95rem;min-height:44px;}
.metier-carte-carousel p{font-size:0.88rem;}

.metiers-carousel-nav{display:flex;flex-direction:column;gap:8px;flex-shrink:0;}
.carousel-fleche{
  width:44px;height:44px;border-radius:50%;
  background:var(--blanc);border:1px solid var(--gris-clair);
  color:var(--marine);font-size:1.3rem;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease;
}
.carousel-fleche:hover:not(:disabled){background:var(--rouge);color:var(--blanc);border-color:var(--rouge);}
.carousel-fleche:active:not(:disabled){transform:scale(0.93);}
.carousel-fleche:disabled{opacity:0.3;cursor:default;}

@media (max-width:1000px){
  .metiers-carousel-groupe{flex-direction:column-reverse;align-items:stretch;}
  .metiers-carousel-nav{flex-direction:row;justify-content:center;}
  .metier-carte-carousel{flex:0 0 calc(50% - 10px);}
}
@media (max-width:760px){
  .metiers-carousel-nav{display:none;}
  .metiers-carousel-track{transform:none !important;flex-direction:column;gap:18px;}
  .metier-carte-carousel{flex:0 0 100%;padding:26px 22px;}
  .metier-carte-carousel h3{min-height:0;}
}

.grille-cartes{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:44px;}
.carte{
  background:var(--blanc);
  border:1px solid var(--gris-clair);
  border-radius:var(--radius);
  padding:32px 28px;
  position:relative;
  overflow:hidden;
  transition:transform .25s cubic-bezier(.22,.61,.36,1), box-shadow .25s ease, border-color .25s ease;
}
.carte::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--rouge);transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;
}
.carte:hover::before{transform:scaleX(1);}
.carte:hover{transform:translateY(-8px);box-shadow:var(--ombre-forte);border-color:var(--rouge);}
.carte .num{
  font-family:'Archivo',sans-serif;font-weight:800;color:var(--rouge);
  font-size:0.8rem;letter-spacing:2px;margin-bottom:10px;display:block;
}
.carte h3{margin-bottom:10px;}
.carte a.lien-carte{display:inline-block;margin-top:10px;font-weight:700;color:var(--marine);border-bottom:2px solid var(--rouge);}
.carte a.lien-carte:hover{color:var(--rouge);}

.liste-check{list-style:none;padding:0;}
.liste-check li{position:relative;padding-left:32px;margin-bottom:14px;color:var(--gris);font-weight:500;}
.liste-check li::before{
  content:"";position:absolute;left:0;top:5px;width:16px;height:16px;
  border:1.6px solid var(--rouge);border-radius:50%;
}
.liste-check li::after{
  content:"";position:absolute;left:5px;top:9px;width:7px;height:4px;
  border-left:1.6px solid var(--rouge);border-bottom:1.6px solid var(--rouge);
  transform:rotate(-45deg);
}

/* ---------- Engagements (liste verticale + filet, façon flyer) ---------- */
.engagements-bloc{display:grid;grid-template-columns:1fr 1.3fr;gap:60px;align-items:center;}
.engagements-liste{display:flex;flex-direction:column;gap:26px;}
.engagement-item{display:flex;gap:16px;align-items:flex-start;}
.engagement-icone{
  width:34px;height:34px;flex-shrink:0;color:var(--rouge);
}
.engagement-icone svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.5;}
.engagement-item h4{
  font-family:'Inter',sans-serif;text-transform:uppercase;font-size:0.88rem;font-weight:700;
  letter-spacing:0.4px;color:var(--marine);margin-bottom:4px;
}
.engagement-item p{font-size:0.88rem;margin-bottom:0;color:var(--gris);}
.engagements-droite{border-left:1px solid var(--gris-clair);padding-left:56px;}
.bg-marine .engagements-droite{border-left-color:rgba(250,248,246,0.2);}
.engagements-droite h2{margin-bottom:22px;}

/* ---------- Zone d'intervention ---------- */
.zones{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 40px;margin-top:20px;}
.zones div strong{display:block;color:var(--rouge-clair);font-family:'Inter',sans-serif;text-transform:uppercase;font-size:0.82rem;letter-spacing:1px;margin-bottom:6px;}

/* ---------- Process / étapes ---------- */
.etapes{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px;}
.etape{position:relative;padding-top:10px;}
.etape .chiffre{
  font-family:'Archivo',sans-serif;font-weight:800;font-size:2.3rem;color:var(--creme-2);
  -webkit-text-stroke:1.5px var(--marine);
  margin-bottom:8px;display:block;
}
.bg-marine .etape .chiffre{color:var(--marine);-webkit-text-stroke:1.5px var(--rouge-clair);}

/* ---------- Bandeau stats ---------- */
.bandeau-stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(250,248,246,0.15);border-bottom:1px solid rgba(250,248,246,0.15);}
.bandeau-stats div{padding:34px 20px;text-align:center;border-left:1px solid rgba(250,248,246,0.15);}
.bandeau-stats div:first-child{border-left:none;}
.bandeau-stats strong{display:block;font-family:'Archivo',sans-serif;font-size:2.1rem;color:var(--rouge-clair);}
.bandeau-stats span{font-size:0.8rem;letter-spacing:1px;text-transform:uppercase;color:var(--gris-clair);}

/* ---------- Avis ---------- */
.grille-avis{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:40px;}
.avis-carte{background:var(--blanc);border:1px solid var(--gris-clair);border-radius:var(--radius);padding:28px;}
.avis-carte .etoiles{color:var(--rouge);letter-spacing:2px;margin-bottom:12px;font-size:1.05rem;}
.avis-carte .auteur{margin-top:16px;font-family:'Inter',sans-serif;font-weight:700;text-transform:uppercase;font-size:0.82rem;color:var(--marine);}
.avis-carte .lieu{color:var(--gris);font-size:0.8rem;}

/* ---------- Galerie réalisations ---------- */
.galerie{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px;}
.galerie figure{margin:0;position:relative;overflow:hidden;border-radius:var(--radius);background:var(--blanc);border:1px solid var(--gris-clair);transition:opacity .35s ease, transform .35s ease;}
.galerie figure.masque{display:none;}
.galerie figure img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .4s ease;}
.galerie figure:hover img{transform:scale(1.05);}
.galerie figcaption{padding:16px 18px;}
.galerie figcaption .lieu{color:var(--gris);font-size:0.8rem;text-transform:uppercase;letter-spacing:1px;}
.tag-filtre{display:flex;gap:10px;flex-wrap:wrap;margin:30px 0 6px;}
.filtre-btn{
  border:1px solid var(--marine);padding:9px 20px;border-radius:30px;font-size:0.8rem;
  font-family:'Inter',sans-serif;text-transform:uppercase;letter-spacing:0.5px;font-weight:700;
  background:var(--blanc);color:var(--marine);cursor:pointer;
  transition:background .2s ease, color .2s ease, transform .15s ease;
}
.filtre-btn:hover{transform:translateY(-2px);border-color:var(--rouge);}
.filtre-btn.actif{background:var(--marine);color:var(--creme);border-color:var(--marine);}

/* ---------- FAQ ---------- */
.faq details{border-bottom:1px solid var(--gris-clair);padding:20px 0;}
.faq summary{
  font-family:'Inter',sans-serif;font-weight:700;text-transform:uppercase;font-size:0.95rem;letter-spacing:0.4px;
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;color:var(--marine);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--rouge);}
.faq details[open] summary::after{content:"–";}
.faq p{margin-top:14px;}

/* ---------- CTA bandeau final ---------- */
.cta-final{background:var(--marine);color:var(--creme);padding:60px 0;position:relative;overflow:hidden;}
.cta-final::before{
  content:"";position:absolute;top:0;right:0;bottom:0;width:180px;
  background:var(--rouge);clip-path:polygon(45% 0,100% 0,100% 100%,0 100%);opacity:0.85;
}
.cta-final .container{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-final h2{margin:0;color:var(--blanc);font-size:clamp(1.5rem,2.6vw,2rem);}
.cta-final p{color:var(--gris-clair);margin-bottom:0;}

/* ---------- Formulaire devis ---------- */
.form-devis{background:var(--blanc);border:1px solid var(--gris-clair);border-radius:var(--radius);padding:40px;box-shadow:var(--ombre);}
.form-devis .ligne{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:18px;}
.form-devis label{display:block;font-family:'Inter',sans-serif;font-size:0.78rem;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;color:var(--marine);font-weight:700;}
.form-devis input, .form-devis select, .form-devis textarea{
  width:100%;padding:13px 14px;border:1px solid var(--gris-clair);border-radius:var(--radius);
  font-family:'Inter',sans-serif;font-size:0.98rem;background:var(--creme);color:var(--marine);
}
.form-devis input:focus, .form-devis select:focus, .form-devis textarea:focus{outline:2px solid var(--rouge);outline-offset:1px;border-color:var(--rouge);}
.form-devis .champ-full{margin-bottom:18px;}
.form-devis .checkbox-ligne{display:flex;gap:10px;align-items:flex-start;font-size:0.86rem;color:var(--gris);margin:18px 0;}
.form-devis .checkbox-ligne input{width:auto;margin-top:4px;}
.form-devis .checkbox-ligne a{color:var(--marine);font-weight:600;}

/* ---------- Encadré latéral (page devis) ---------- */
.devis-grille{display:grid;grid-template-columns:1.6fr 1fr;gap:50px;align-items:start;}
.aside-devis{display:flex;flex-direction:column;gap:20px;}
.encadre{background:var(--marine);color:var(--creme);border-radius:var(--radius);padding:28px;}
.encadre h3{color:var(--rouge-clair);}
.encadre p, .encadre li{color:var(--gris-clair);}
.encadre .tel-grand{font-family:'Archivo',sans-serif;font-size:1.5rem;font-weight:800;color:var(--rouge-clair);display:block;margin:10px 0;}
.encadre-clair{background:var(--blanc);color:var(--marine);border:1px solid var(--gris-clair);}
.encadre-clair h3{color:var(--marine);}
.encadre-clair p, .encadre-clair li{color:var(--gris);}
.encadre-clair .liste-check li::before{border-color:var(--rouge);}
.encadre-clair .liste-check li::after{border-color:var(--rouge);}

/* ---------- Carte de localisation ---------- */
.carte-wrap{margin-top:30px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--ombre);border:1px solid var(--gris-clair);filter:grayscale(12%);transition:filter .3s ease;}
.carte-wrap:hover{filter:grayscale(0%);}
.carte-wrap iframe{display:block;width:100%;}

.contact-fin-grille{display:grid;grid-template-columns:1.3fr 1fr;gap:36px;margin-top:40px;align-items:stretch;}
.contact-fin-grille .carte-wrap{margin-top:0;height:100%;min-height:340px;}
.contact-fin-grille .carte-wrap iframe{height:100%;min-height:340px;}
.contact-infos{background:var(--blanc);border:1px solid var(--gris-clair);border-radius:var(--radius);padding:34px;display:flex;flex-direction:column;gap:20px;justify-content:center;}
.contact-item h3{font-size:0.76rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--rouge);margin-bottom:6px;font-family:'Inter',sans-serif;font-weight:700;}
.contact-item p{margin-bottom:0;color:var(--marine);}
.contact-item a{color:var(--marine);font-weight:700;}
.contact-item a:hover{color:var(--rouge);}
.contact-infos .btn{margin-top:6px;align-self:flex-start;}

/* ---------- Certifications (bandeau défilant) ---------- */
.marquee-section{background:var(--blanc);padding:44px 0;overflow:hidden;border-bottom:1px solid var(--gris-clair);}
.marquee-track{display:flex;width:max-content;animation:marquee 22s linear infinite;}
.marquee-section:hover .marquee-track{animation-play-state:paused;}
.marquee-content{display:flex;align-items:center;gap:60px;padding-right:60px;}
.logo-cert{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:230px;height:130px;}
.logo-cert img{max-height:120px;max-width:100%;height:auto;width:auto;filter:grayscale(15%);opacity:0.9;transition:transform .25s ease, opacity .25s ease, filter .25s ease;}
.logo-cert:hover img{transform:translateY(-3px) scale(1.05);opacity:1;filter:grayscale(0%);}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- Fournisseurs partenaires : carrousel "par étapes" (pause puis glissement) ---------- */
.fournisseurs-section{background:var(--creme-2);padding:56px 0;}
.fournisseurs-carousel{margin-top:36px;}
.fournisseurs-viewport{overflow:hidden;}
.fournisseurs-track{display:flex;transition:transform .5s ease;}
.logo-fournisseur{
  flex:0 0 20%;
  display:flex;align-items:center;justify-content:center;
  padding:0 30px;
}
.logo-fournisseur img{
  max-height:70px;max-width:100%;width:auto;height:auto;
  filter:grayscale(100%);opacity:0.55;
  transition:filter .3s ease, opacity .3s ease;
}
.logo-fournisseur:hover img{filter:grayscale(0%);opacity:1;}
@media (max-width:1000px){
  .logo-fournisseur{flex:0 0 33.333%;}
}
@media (max-width:760px){
  .logo-fournisseur{flex:0 0 50%;padding:0 16px;}
  .logo-fournisseur img{max-height:52px;}
}

/* ---------- Illustration filaire décorative ---------- */
.wireframe-deco{position:absolute;pointer-events:none;opacity:0.5;}

/* ================= FOOTER ================= */
.site-footer{background:var(--marine);color:var(--gris-clair);padding:70px 0 0;position:relative;overflow:hidden;}
.footer-deco{position:absolute;top:0;right:0;width:220px;height:220px;clip-path:polygon(100% 0,100% 100%,0 0);background:var(--rouge);opacity:0.9;}
.footer-grille{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(250,248,246,0.12);position:relative;z-index:2;}
.footer-grille img{height:48px;margin-bottom:16px;}
.footer-grille p{color:var(--gris-clair);font-size:0.95rem;}
.footer-grille h4{color:var(--blanc);font-size:0.88rem;letter-spacing:1.5px;margin-bottom:18px;font-family:'Inter',sans-serif;text-transform:uppercase;}
.footer-grille ul{list-style:none;padding:0;margin:0;}
.footer-grille li{margin-bottom:11px;color:var(--gris-clair);}
.footer-grille a{color:var(--gris-clair);font-size:0.95rem;}
.footer-grille a:hover{color:var(--rouge-clair);}
.footer-bas{display:flex;justify-content:space-between;align-items:center;padding:26px 0;font-size:0.83rem;color:var(--gris-clair);flex-wrap:wrap;gap:10px;position:relative;z-index:2;}
.footer-bas a{color:var(--gris-clair);}
.footer-bas a:hover{color:var(--rouge-clair);}

/* ================= PAGES LEGALES ================= */
.contenu-legal h2{margin-top:44px;font-size:1.3rem;}
.contenu-legal p, .contenu-legal li{color:var(--gris);}

/* ================= ANIMATIONS AU SCROLL ================= */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);}
.reveal.visible{opacity:1;transform:translateY(0);}
.reveal-stagger.visible{transition-delay:calc(var(--stagger-index, 0) * 90ms);}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none;}}

/* ================= RESPONSIVE ================= */
@media (max-width:1000px){
  .hero-split{flex-direction:column;height:auto;}
  .hero-split-texte{flex:0 0 auto;width:100%;padding:90px 24px 40px;max-width:100%;}
  .hero-split-image{height:340px;clip-path:none;opacity:1;animation:none;}
  .hero-split-image img{object-position:50% 50%;}
  .grille-2{grid-template-columns:1fr;gap:30px;}
  .grille-2.inverse .col-texte{order:1;}
  .grille-2.inverse .col-image{order:2;}
  .col-image{min-height:280px;}
  .metiers-grille{grid-template-columns:1fr 1fr;}
  .engagements-bloc{grid-template-columns:1fr;gap:40px;}
  .engagements-droite{border-left:none;padding-left:0;border-top:1px solid var(--gris-clair);padding-top:36px;}
  .grille-cartes{grid-template-columns:1fr 1fr;}
  .etapes{grid-template-columns:1fr 1fr;}
  .bandeau-stats{grid-template-columns:1fr 1fr;}
  .bandeau-stats div{border-left:none;border-top:1px solid rgba(250,248,246,0.15);}
  .grille-avis{grid-template-columns:1fr 1fr;}
  .galerie{grid-template-columns:1fr 1fr;}
  .footer-grille{grid-template-columns:1fr 1fr;}
  .devis-grille{grid-template-columns:1fr;gap:30px;}
  .form-devis .ligne{grid-template-columns:1fr;}
  .cta-final .container{flex-direction:column;text-align:center;}
  .contact-fin-grille{grid-template-columns:1fr;}
  .contact-fin-grille .carte-wrap{min-height:300px;}
}
@media (max-width:760px){
  .header-top-droite{width:100%;justify-content:space-between;}
  .header-top .adresse{display:none;}
  .header-top a{white-space:nowrap;font-size:0.82rem;}
  .header-top-actions{gap:8px;}
  .header-top .reseau-lien-header{width:20px;height:20px;}
  .header-top .btn-devis-topbar{
    display:inline-flex;align-items:center;
    background:var(--rouge);color:var(--blanc);
    font-family:'Inter',sans-serif;font-weight:700;font-size:0.68rem;
    text-transform:uppercase;letter-spacing:0.2px;
    padding:6px 10px;border-radius:20px;white-space:nowrap;
  }
  .btn-devis-topbar:hover{background:var(--rouge-fonce);}
  .logo-link img{height:42px;}
  .menu-overlay{
    display:block;position:fixed;inset:0;background:rgba(10,17,23,.55);
    opacity:0;visibility:hidden;transition:opacity .25s ease, visibility .25s ease;
    z-index:190;
  }
  .menu-overlay.ouvert{opacity:1;visibility:visible;}
  .fermer-menu{display:flex;}

  .main-nav{
    position:fixed;inset:0 0 0 auto;width:82%;max-width:340px;
    background:var(--marine);
    display:flex;flex-direction:column;align-items:stretch;
    transform:translateX(100%);transition:transform .25s ease;
    padding:28px 24px 24px;overflow-y:auto;
    z-index:200;
  }
  .mobile-menu-header{display:block;padding-right:52px;margin-bottom:26px;}
  .mobile-menu-header img{height:32px;width:auto;}
  .mobile-menu-cta{
    display:flex;flex-direction:column;gap:10px;
    margin-bottom:22px;padding-bottom:22px;
    border-bottom:1px solid rgba(250,248,246,0.15);
  }
  .mobile-menu-cta .btn{width:100%;justify-content:center;font-size:0.82rem;padding:13px 20px;}
  .mobile-menu-cta .btn-outline{border-color:var(--creme);color:var(--creme);}
  .mobile-menu-cta .btn-outline:hover{background:var(--creme);color:var(--marine);}
  .fermer-menu{
    display:flex;align-items:center;justify-content:center;
    position:absolute;top:20px;right:20px;
    width:40px;height:40px;border-radius:50%;
    background:rgba(250,248,246,0.1);border:1px solid rgba(250,248,246,0.25);
    color:var(--creme);font-size:1.6rem;line-height:1;cursor:pointer;
    transition:background .2s ease, transform .2s ease;
  }
  .fermer-menu:hover{background:var(--rouge);transform:rotate(90deg);}
  .main-nav.ouvert{transform:translateX(0);}
  .main-nav > ul{flex-direction:column;align-items:stretch;gap:0;}
  .main-nav > ul > li > a{color:var(--creme);padding:14px 6px;border-bottom:1px solid rgba(250,248,246,0.1);}
  .main-nav .sous-menu{position:static;width:100%;grid-template-columns:1fr;gap:0;opacity:1;visibility:visible;transform:none;box-shadow:none;border-top:none;background:transparent;display:none;padding-left:14px;}
  .main-nav li.a-sous-menu.ouvert .sous-menu{display:block;}
  .main-nav .sous-menu a{color:var(--gris-clair);}
  .burger{
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:5px;
    width:42px;height:42px;padding:0;
    border:1px solid var(--marine);border-radius:var(--radius);
  }
  .burger span{margin:0;}
  .nav-cta{display:none;}
  .hero-split-texte{padding-top:40px;padding-bottom:40px;}
  .hero-split-texte .eyebrow{margin-bottom:40px;}
  .hero-split-texte h1{margin-bottom:40px;}
  .hero-split-texte .lead{margin-bottom:40px;}
  .hero-cta{margin-top:0;}
  .metiers-grille{grid-template-columns:1fr;}
  .grille-cartes{grid-template-columns:1fr;}
  .etapes{grid-template-columns:1fr;}
  .bandeau-stats{grid-template-columns:1fr 1fr;}
  .grille-avis{grid-template-columns:1fr;}
  .galerie{grid-template-columns:1fr;}
  .footer-grille{grid-template-columns:1fr;}
  .zones{grid-template-columns:1fr;}
  .logo-cert{width:150px;height:100px;}
  .logo-cert img{max-height:85px;}
  .marquee-content{gap:36px;padding-right:36px;}
  h1{font-size:2rem;}
}

/* ================= LIGHTBOX (agrandissement des réalisations) ================= */
.galerie figure{cursor:zoom-in;}
.lightbox{
  position:fixed;inset:0;z-index:1000;
  background:rgba(10,17,23,0.94);
  display:flex;align-items:center;justify-content:center;
  padding:40px 24px;
  opacity:0;visibility:hidden;
  transition:opacity .3s ease, visibility .3s ease;
}
.lightbox.ouvert{opacity:1;visibility:visible;}
.lightbox figure{
  margin:0;max-width:min(900px, 92vw);max-height:88vh;
  display:flex;flex-direction:column;
  transform:scale(.94);transition:transform .3s ease;
}
.lightbox.ouvert figure{transform:scale(1);}
.lightbox img{
  width:100%;height:auto;max-height:74vh;object-fit:contain;
  border-radius:var(--radius);box-shadow:0 30px 70px rgba(0,0,0,.5);
  background:var(--marine);
}
.lightbox figcaption{
  color:var(--gris-clair);text-align:center;padding-top:18px;font-size:0.95rem;
}
.lightbox-fermer{
  position:absolute;top:24px;right:28px;
  width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);
  color:var(--blanc);font-size:1.6rem;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease, transform .2s ease;
}
.lightbox-fermer:hover{background:var(--rouge);transform:rotate(90deg);}
@media (max-width:600px){
  .lightbox-fermer{top:14px;right:14px;width:40px;height:40px;}
}