:root {
  --c-fond: #ffffff;
  --c-texte: #1f2328;
  --c-doux: #5b6470;
  --c-accent: #e8602a;
  --c-accent-fonce: #8e3e1e;
  --c-section: #eeeae3;
  --c-pied: #2f3a45;
  --c-ardoise: #2f3a45;
  --c-granit: #6b6f73;
  --max: 1100px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--c-fond);
  color: var(--c-texte);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

img { max-width: 100%; height: auto; display: block; }
a { color: #b5451b; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
section { padding: 28px 0; }
section.alt { background: var(--c-section); }

h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; }
h1 { font-size: clamp(28px, 5vw, 48px); }
h2 { font-size: clamp(22px, 3.5vw, 32px); }
h3 { font-size: 20px; }
p { margin: 0 0 16px; }

/* En-tête */
header.site {
  position: sticky; top: 0; z-index: 10;
  background: var(--c-fond);
  border-bottom: 1px solid var(--c-section);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px; gap: 16px; flex-wrap: wrap;
}
.logo { font-weight: 600; font-size: 26px; color: var(--c-texte); text-decoration: none; letter-spacing: 0; }
.logo span { letter-spacing: 0; }
.logo { display: inline-flex; align-items: center; gap: 0; }
.logo img { width: 54px; height: 54px; flex: 0 0 54px; object-fit: contain; margin-right: 18px; }
.logo span { color: inherit; }
.logo .wm span:not(.wm-ent) { color: var(--c-accent); }
nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 20px; flex-wrap: wrap; }
nav a { color: var(--c-texte); text-decoration: none; font-weight: 500; }
nav a:hover, nav a[aria-current="page"] { color: #b5451b; }

/* Boutons */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 6px;
  background: var(--c-accent); color: #fff; text-decoration: none;
  font-weight: 600; border: 0; cursor: pointer; font-size: 16px;
}
.btn:hover { background: var(--c-accent-fonce); }
.btn.secondaire { background: transparent; color: var(--c-texte); border: 2px solid var(--c-texte); }

/* Accueil */
.hero {
  background-size: cover; background-position: center;
  color: #fff; padding: 56px 0;
  background-color: var(--c-ardoise); /* remplacé par la photo de chantier */
}
.hero h1 { color: #fff; max-width: 720px; font-size: 36px; font-weight: 600; line-height: 1.2; }
.hero p { font-size: 17px; max-width: 640px; }
.hero .btn + .btn { margin-left: 12px; }

.grille { display: grid; gap: 24px; grid-template-columns: repeat(3, 1fr); }
.carte { background: var(--c-fond); border: 1px solid #cfd3d6; border-radius: 0; padding: 24px; box-shadow: none; }
.alt .carte { border-color: transparent; border-top-color: var(--c-accent); }
.carte a.lien { font-weight: 600; text-decoration: none; }

.photos { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.photos img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 6px; }

.zone-liste { columns: 3; max-width: 820px; }
.zone-liste li { margin-bottom: 6px; }

/* Formulaire */
form.devis { display: grid; gap: 14px; max-width: 560px; }
form.devis label { display: grid; gap: 6px; font-weight: 500; }
form.devis input, form.devis select, form.devis textarea {
  font: inherit; padding: 10px 12px; border: 1px solid var(--c-doux);
  border-radius: 6px; background: var(--c-fond); color: var(--c-texte);
}
form.devis .consent { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 14px; }

/* Pied */
footer.site { background: var(--c-pied); color: #d9d9d9; padding: 40px 0; font-size: 15px; }
footer.site a { color: #fff; }
footer.site .wrap { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
footer.site h3 { font-size: 16px; color: #fff; }

.ariane { font-size: 14px; color: var(--c-doux); margin-bottom: 8px; }
.ariane a { color: var(--c-doux); }

@media (max-width: 640px) {
  section { padding: 24px 0; }
  .hero { padding: 40px 0; }
  .hero .btn + .btn { margin-left: 0; margin-top: 12px; display: inline-block; }
  .zone-liste { columns: 2; }
}

.wa-float {
  position: fixed; right: 16px; bottom: 16px; z-index: 20;
  background: #0f7a37; color: #fff; text-decoration: none; font-weight: 600;
  padding: 12px 18px; border-radius: 999px; box-shadow: 0 4px 14px rgba(0,0,0,.25);
}
.wa-float:hover { background: #0b6b2f; }

/* Mobile et iPhone */
html { -webkit-text-size-adjust: 100%; }
img, video { max-width: 100%; height: auto; }
input, select, textarea, button { font-size: 16px; } /* évite le zoom automatique de Safari */
form.devis input, form.devis select, form.devis textarea { min-height: 44px; }
.btn, .wa-float { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
.wa-float { bottom: calc(16px + env(safe-area-inset-bottom)); right: calc(16px + env(safe-area-inset-right)); }
footer.site { padding-bottom: calc(40px + env(safe-area-inset-bottom)); }
@media (max-width: 640px) {
  header.site .wrap { min-height: 0; padding-top: 10px; padding-bottom: 10px; }
  nav ul { gap: 4px 14px; }
  nav a { display: inline-block; padding: 8px 0; font-size: 15px; }
  header.site .btn { width: 100%; }
  .logo { font-size: 24px; }
  .hero h1 { font-size: 26px; }
  .hero .btn { width: 100%; margin-bottom: 10px; }
  .hero .btn + .btn { margin-left: 0; }
  .grille { grid-template-columns: 1fr; }
  .photos { grid-template-columns: 1fr 1fr; }
  .photos img { aspect-ratio: 1 / 1; }
  .wa-float { padding: 12px 16px; }
}
@media (max-width: 380px) {
  .photos { grid-template-columns: 1fr; }
}

/* Identité régionale : titres en serif, filet terre cuite, bandeau ardoise */
h1, h2, h3 { font-family: system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif; font-weight: 700; }
h2 { position: relative; padding-bottom: 12px; }
h2::after { content: ""; position: absolute; left: 0; bottom: 0; width: 56px; height: 3px; background: var(--c-accent); border-radius: 2px; }
.bandeau-ardoise { background: var(--c-section); color: var(--c-texte); }
.bandeau-ardoise h2, .bandeau-ardoise h3 { color: var(--c-texte); }
.bandeau-ardoise p { color: var(--c-texte); }
.bandeau-ardoise .btn { background: var(--c-accent); }
.tag-local { display: inline-block; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: #54585c; margin-bottom: 8px; }
.carte { border-top: 4px solid var(--c-accent); }

/* Accessibilité : lien d'évitement et focus visible */
.skip { position: absolute; left: -9999px; top: 8px; background: var(--c-ardoise); color: #fff; padding: 10px 16px; border-radius: 6px; z-index: 50; }
.skip:focus { left: 8px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 2px; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--c-section); padding: 14px 0; max-width: 760px; }
.faq summary { cursor: pointer; font-weight: 700; font-family: system-ui, Arial, sans-serif; font-size: 18px; min-height: 44px; display: flex; align-items: center; }
.faq details p { margin: 8px 0 0; color: var(--c-texte); }

/* Bouton secondaire sur photo : texte et bordure blancs */
.hero .btn.secondaire { color: #fff; border-color: #fff; background: rgba(20,22,26,.25); }
.hero .btn.secondaire:hover { background: rgba(20,22,26,.45); }

/* Boutons d'action en ardoise (et non en orange) ; liens et filets restent terre cuite */
.btn { background: var(--c-ardoise); }
.btn:hover { background: #1c242c; }
.hero .btn { background: var(--c-ardoise); border: 1px solid rgba(255,255,255,.35); }
.hero .btn:hover { background: #1c242c; }

/* Pages de service : visuel d'abord */
.pastilles { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 28px; }
.pastilles li { background: none; padding: 0; border-radius: 0; font-weight: 600; display: flex; align-items: center; gap: 10px; color: var(--c-texte); }
.pastilles li::before { content: ""; width: 14px; height: 3px; background: var(--c-accent); border-radius: 2px; flex: none; }
.cas-grille { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.cas { display: block; text-decoration: none; color: var(--c-texte); background: var(--c-fond); border-radius: 0; overflow: hidden; border: 1px solid var(--c-section); }
.cas-ph img, .cas-ph .ph-vide { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; background: var(--c-section); }
.cas-t { padding: 12px 14px; display: grid; gap: 2px; }
.cas-t span { color: var(--c-doux); font-size: 14px; }
.etapes { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); counter-reset: e; }
.etapes li { background: var(--c-section); border-radius: 10px; padding: 18px; display: grid; gap: 4px; }
.etapes li::before { counter-increment: e; content: counter(e); font: 700 22px system-ui, Arial, sans-serif; color: var(--c-accent); }
.etapes span { color: var(--c-doux); }
@media (max-width: 640px) { .etapes { grid-template-columns: 1fr; } }

/* Accueil : mosaïque des trois activités */
.hero-mosaique { position: relative; overflow: hidden; background-color: var(--c-ardoise); }
.hero-mosaique .mosaique { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(3, 1fr); }
.hero-mosaique .mosaique div { background-size: cover; background-position: center; }
.hero-mosaique::before { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(20,22,26,.6), rgba(20,22,26,.6)); z-index: 1; }
.hero-mosaique .wrap { position: relative; z-index: 2; }
@media (max-width: 640px) { .hero-mosaique .mosaique { grid-template-columns: 1fr; } }

/* Carte des chantiers */
.carte-chantiers { width: 100%; height: 340px; border-radius: 10px; margin-top: 20px; border: 1px solid var(--c-section); }
.petit { font-size: 13px; color: var(--c-doux); margin-top: 8px; }
@media (max-width: 640px) { .carte-chantiers { height: 280px; } }

.date-chantier { color: var(--c-doux); font-size: 14px; margin-left: 6px; }

.zone-liste li { break-inside: avoid; }

/* Zone : repère de carte devant chaque commune */
.zone-liste { list-style: none; padding-left: 0; }
.zone-liste li { position: relative; padding-left: 22px; }
.zone-liste li::before { content: ""; position: absolute; left: 0; top: 3px; width: 16px; height: 16px; background: url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2024%2024%27%3E%3Cpath%20fill%3D%27%23e8602a%27%20d%3D%27M12%202a7%207%200%200%200-7%207c0%205.2%207%2013%207%2013s7-7.8%207-13a7%207%200%200%200-7-7zm0%209.5a2.5%202.5%200%201%201%200-5%202.5%202.5%200%200%201%200%205z%27%2F%3E%3C%2Fsvg%3E") center / contain no-repeat; }

/* Accueil : une seule grande photo */
.hero-photo { position: relative; overflow: hidden; background-color: var(--c-ardoise); }
.hero-photo .mosaique { position: absolute; inset: 0; display: block; }
.hero-photo .mosaique div { position: absolute; inset: 0; background-size: cover; }
.hero-photo::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,22,26,.6) 0%, rgba(20,22,26,.3) 60%, rgba(20,22,26,.1) 100%); z-index: 1; }
.hero-photo .wrap { position: relative; z-index: 2; }

/* Accueil : fond uni, sans photo */
.hero-plain { background: var(--c-ardoise); color: #fff; padding: 96px 0; }
.hero-plain h1 { color: #fff; max-width: 720px; }
.hero-plain p { color: #e6e8ea; font-size: 19px; max-width: 640px; }
@media (max-width: 640px) { .hero-plain { padding: 64px 0; } }

.cas-ph.ph-vide { height: 120px; background: var(--c-section); }

/* Mobile : en-tête compact (moins d'espace en haut) */
@media (max-width: 640px) {
  header.site .wrap { padding: 6px 16px; min-height: 0; gap: 4px 12px; }
  .logo { font-size: 23px; line-height: 1.1; }
  nav ul { gap: 2px 14px; margin: 0; }
  nav a { padding: 3px 0; font-size: 15px; line-height: 1.3; }
  header.site .btn { display: none; }
}

/* Petites vignettes par sous-section, diaporama au clic */
.photos.vignettes { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.photos.vignettes img { aspect-ratio: 4 / 3; height: auto; cursor: pointer; }
.photos.vignettes figcaption { font-size: 12px; }

/* Mobile : menu sur une seule ligne, défilable horizontalement */
@media (max-width: 640px) {
  nav { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  nav::-webkit-scrollbar { display: none; }
  nav ul { flex-wrap: nowrap; white-space: nowrap; gap: 4px 18px; padding-bottom: 2px; }
  nav a { font-size: 16px; }
}

/* En-tête : bouton Menu (mobile), menu déroulant en colonne */
.menu-t { position: absolute; width: 1px; height: 1px; opacity: 0; margin: 0; }
.menu-btn { display: none; }
.menu-t:focus-visible + .menu-btn { outline: 3px solid #b5451b; outline-offset: 2px; }
@media (max-width: 640px) {
  header.site .wrap { position: relative; }
  .menu-btn { display: inline-block; cursor: pointer; font-weight: 600; color: var(--c-texte); border: 1.5px solid var(--c-texte); border-radius: 6px; padding: 6px 14px; font-size: 15px; }
  nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--c-fond); box-shadow: 0 10px 20px rgba(0,0,0,.12); border-top: 1px solid var(--c-section); z-index: 30; overflow: visible; }
  .menu-t:checked ~ nav { display: block; }
  nav ul { flex-direction: column; gap: 0; white-space: normal; flex-wrap: nowrap; }
  nav li { border-bottom: 1px solid var(--c-section); }
  nav a { display: block; padding: 14px 16px; font-size: 17px; }
  header.site .btn { display: none; }
}

/* Accueil : trois liens services alignés en ligne, sous la photo */
.grille.trois { grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grille.trois .carte { padding: 18px; }
.grille.trois .carte h2 { font-size: 20px !important; }
.grille.trois .carte p { font-size: 14px; margin: 0; }
@media (max-width: 640px) {
  .grille.trois { gap: 8px; }
  .grille.trois .carte { padding: 12px; }
  .grille.trois .carte h2 { font-size: 16px !important; }
  .grille.trois .carte p { font-size: 12px; }
}

/* Trois liens services : trois colonnes égales, sans débordement sur téléphone */
.grille.trois { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grille.trois .carte { min-width: 0; overflow-wrap: anywhere; }
.grille.trois .carte h2 { white-space: normal; }

/* Trois liens services sur téléphone : noms entiers, pas coupés au milieu */
@media (max-width: 640px) {
  .grille.trois { gap: 6px; }
  .grille.trois .carte { padding: 10px 8px; overflow-wrap: normal; word-break: normal; }
  .grille.trois .carte h2 { font-size: 14px !important; line-height: 1.2; }
  .grille.trois .carte p { font-size: 11px; line-height: 1.35; }
}

/* Six vignettes sur une seule ligne (Aménagement des combles) */
.photos.vignettes.six { display: flex; --g: 6px; gap: var(--g); overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: thin; padding-bottom: 6px; }
.photos.vignettes.six > figure { flex: 0 0 calc((100% - 5 * var(--g)) / 6); min-width: 0; }
.photos.vignettes.six img { aspect-ratio: 1 / 1; }
@media (max-width: 640px) { .photos.vignettes.six { --g: 4px; } }

/* Six vignettes par sous-section, sur une seule ligne */
.photos.vignettes.six { display: flex; --g: 6px; gap: var(--g); overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: thin; padding-bottom: 6px; }
.photos.vignettes.six > figure { flex: 0 0 calc((100% - 5 * var(--g)) / 6); min-width: 0; }
.photos.vignettes.six img { aspect-ratio: 1 / 1; object-fit: cover; }
@media (max-width: 640px) { .photos.vignettes.six { --g: 4px; } }

.galerie-compteur { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); color: #fff; font-size: 15px; letter-spacing: .05em; background: rgba(0,0,0,.35); padding: 4px 12px; border-radius: 999px; }
.logo .wm { display: inline; white-space: nowrap; letter-spacing: 0; }
.logo .wm-ent { font-size: 1em; font-weight: inherit; letter-spacing: inherit; color: inherit; }
.stats { padding: 28px 0; background: var(--c-fond); }
.grille-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; text-align: center; }

.stat span { font-size: 15px; color: var(--c-texte); }
@media (max-width: 640px) { .grille-stats { grid-template-columns: 1fr; gap: 12px; } .stat strong { font-size: 32px; } }
.avis-carte { margin: 0; }
.avis-carte blockquote { margin: 0 0 12px; font-style: italic; }
.avis-carte figcaption { font-size: 14px; color: var(--c-texte); opacity: .8; }


footer.site h3 img { display: inline-block; vertical-align: middle; margin: 0 8px 0 0; }

/* Bandeau des pages métiers : mosaïque de photos du même métier */
.hero-photo .mosaique.mosaique-grille { display: grid; grid-template-columns: repeat(var(--n, 3), 1fr); }
.hero-photo .mosaique.mosaique-grille > div { position: relative; background-size: cover; background-position: center; }

/* Bandeau mosaïque des pages métiers : voile plus léger, texte lisible par une ombre */
.hero-photo.hero-mosaique-page::before { background: linear-gradient(90deg, rgba(20,22,26,.5) 0%, rgba(20,22,26,.25) 100%); }
.hero-photo.hero-mosaique-page .wrap h1, .hero-photo.hero-mosaique-page .wrap p { text-shadow: 0 1px 4px rgba(0,0,0,.6); }

/* Accueil : texte lisible sur une photo plus claire */
.hero-photo .wrap h1, .hero-photo .wrap p { text-shadow: 0 1px 4px rgba(0,0,0,.6); }