/* ============================================================================
   GENIE METAL PLUS SARL — style.css (refonte 60-30-10)
   Design system : voir /CLAUDE.md et /assets/DESIGN.md
   60% blanc #FFFFFF / gris clair #F4F4F4 — fonds
   30% bleu nuit #0D1B2A / bleu GMP #1B4F8C — structure
   10% or #F5A623 — CTA et accents uniquement

   SOMMAIRE
   01. Reset moderne
   02. Variables :root
   03. Base & typographie
   04. Utilitaires (container, sections, kickers, reveal)
   05. Boutons
   06. Cards génériques
   07. Header & navigation
   08. Hero accueil
   09. Stats / compteurs
   10. Services accueil (layout asymétrique)
   11. Réalisations accueil
   12. Pourquoi GMP
   13. Citation / bandeau
   14. CTA final accueil
   15. Hero pages internes & breadcrumb
   16. Page Services
   17. Page BTP
   18. Page Réalisations (galerie, filtres, avant/après, lightbox)
   19. Page À propos
   20. Page Nos Modèles
   21. Page Contact (formulaire, sidebar, carte)
   22. Page 404
   23. Footer
   24. Bouton WhatsApp flottant
   25. Scrollbar personnalisée
   26. Curseur personnalisé
   27. Responsive tablette / mobile
   28. Préférences utilisateur (reduced motion, no-script)
   ========================================================================== */

/* == 01. Reset moderne ==================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
}

img,
picture,
svg,
video,
iframe {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* == 02. Variables :root ================================================== */
:root {
  /* 60% — fonds */
  --blanc: #FFFFFF;
  --gris-clair: #F4F4F4;

  /* 30% — structure */
  --bleu-nuit: #0D1B2A;
  --bleu-gmp: #1B4F8C;
  --bleu-nuit-2: #12253A;   /* variation panneau sur fond nuit  */
  --copyright: #080F17;     /* bandeau copyright (DESIGN.md)    */

  /* 10% — accent */
  --or: #F5A623;
  --or-fonce: #D88E12;

  /* Texte */
  --encre: #0D1B2A;
  --texte: #43536A;                        /* corps sur fond clair  */
  --texte-doux: #6B7A90;
  --blanc-70: rgba(255, 255, 255, 0.72);
  --blanc-45: rgba(255, 255, 255, 0.45);

  /* Lignes & ombres */
  --ligne: #E4E9F0;
  --ligne-sombre: rgba(255, 255, 255, 0.12);
  --ombre: 0 2px 10px rgba(13, 27, 42, 0.07);
  --ombre-forte: 0 18px 44px rgba(13, 27, 42, 0.16);

  /* Typo */
  --font-titre: 'Barlow Condensed', sans-serif;
  --font-corps: 'Inter', sans-serif;

  /* Rythme */
  --section: 100px;
  --gap: 24px;
  --container: 1200px;
  --radius: 4px;
  --transition: 0.25s ease;

  /* Compat ancien code (bleu historique) */
  --bleu: #1B4F8C;
  --bleu-fonce: #0D1B2A;
  --sombre: #0D1B2A;
}

/* == 03. Base & typographie =============================================== */
body {
  font-family: var(--font-corps);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  color: var(--texte);
  background: var(--blanc);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-titre);
  color: var(--encre);
  text-wrap: balance;
  line-height: 1.08;
}

h1 {
  font-weight: 800;               /* 900 non chargé par header.php */
  font-size: clamp(3rem, 6.5vw, 4.75rem);   /* >= 56px desktop */
  text-transform: uppercase;
}

h2 {
  font-weight: 800;
  font-size: clamp(2.25rem, 4vw, 3rem);      /* 36-48px */
  text-transform: uppercase;
}

h3 {
  font-weight: 700;
  font-size: clamp(1.5rem, 2vw, 1.75rem);    /* 24-28px */
}

p {
  max-width: 68ch;
}

a {
  transition: color var(--transition);
}

:focus-visible {
  outline: 2px solid var(--or);
  outline-offset: 3px;
}

::selection {
  background: var(--or);
  color: var(--bleu-nuit);
}

/* == 04. Utilitaires ====================================================== */
.container {
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section) 0;
}

.section-gris {
  background: var(--gris-clair);
}

.section-sombre {
  background: var(--bleu-nuit);
  color: var(--blanc-70);
}

.section-sombre h2,
.section-sombre h3 {
  color: var(--blanc);
}

/* Caption / kickers — Inter 500, 13px, ls 1.5px, uppercase */
.hero-kicker,
.section-kicker,
.eyebrow,
.plans-bandeau-eyebrow {
  display: inline-block;
  font-family: var(--font-corps);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--or);
  margin-bottom: 14px;
}

.section-kicker,
.eyebrow {
  color: var(--bleu-gmp);
}

.titre-section {
  color: var(--encre);
}

.section-sombre .titre-section {
  color: var(--blanc);
}

.sous-titre-section {
  margin: 14px auto 0;
  color: var(--texte-doux);
  max-width: 60ch;
}

.section-heading {
  text-align: center;
  margin-bottom: 56px;
}

.section-heading-left {
  text-align: left;
  margin-bottom: 48px;
}

.section-heading-left .sous-titre-section {
  margin-left: 0;
}

.section-sombre .sous-titre-section {
  color: var(--blanc-70);
}

.section-2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.text-or {
  color: var(--or);
}

/* Compat : ancien dégradé remplacé par un aplat or */
.text-gradient {
  color: var(--or);
}

.trait-or {
  width: 48px;
  height: 2px;
  background: var(--or);
  margin: 10px 0;
}

.title-line {
  width: 0;
  height: 3px;
  margin: 20px auto 0;
  background: var(--or);
  transition: width 0.7s ease;
}

.title-line.is-visible {
  width: 80px;
}

/* Apparition au défilement (pilotée par main.js) */
.reveal {
  opacity: 0;
}

.pill-badge {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(27, 79, 140, 0.1);
  color: var(--bleu-gmp);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.pill-badge-dark {
  background: rgba(255, 255, 255, 0.1);
  color: var(--or);
}

.badge-categorie {
  display: inline-block;
  padding: 5px 12px;
  background: var(--bleu-nuit);
  color: var(--or);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: var(--radius);
}

/* == 05. Boutons ========================================================== */
.btn,
.btn-hero-primary,
.btn-hero-outline,
.btn-submit,
.btn-whatsapp,
.plans-bandeau-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-corps);
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--transition), background-color var(--transition),
    color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

/* CTA principal : or, texte sombre, 16px 40px (CLAUDE.md) */
.btn-primary,
.btn-hero-primary,
.btn-submit,
.plans-bandeau-cta {
  padding: 16px 40px;
  background: var(--or);
  color: var(--bleu-nuit);
  border: 1px solid var(--or);
}

.btn-primary:hover,
.btn-hero-primary:hover,
.btn-submit:hover,
.plans-bandeau-cta:hover {
  background: var(--or-fonce);
  border-color: var(--or-fonce);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(245, 166, 35, 0.3);
}

.btn-primary:active,
.btn-hero-primary:active,
.btn-submit:active {
  transform: translateY(0) scale(0.98);
}

/* CTA secondaire : outline seulement, jamais rempli (CLAUDE.md) */
.btn-outline,
.btn-hero-outline {
  padding: 15px 36px;
  background: transparent;
  color: var(--bleu-gmp);
  border: 1.5px solid var(--bleu-gmp);
}

.btn-outline:hover,
.btn-hero-outline:hover {
  color: var(--bleu-nuit);
  border-color: var(--or);
  transform: translateY(-2px);
}

/* Variante outline sur fond sombre */
.section-sombre .btn-outline,
.hero .btn-hero-outline,
.band-chantier .btn-hero-outline,
.hero-page .btn-outline,
.page-hero .btn-outline,
.services-cta .btn-outline,
.plans-bandeau .btn-outline {
  color: var(--blanc);
  border-color: rgba(255, 255, 255, 0.55);
}

.section-sombre .btn-outline:hover,
.hero .btn-hero-outline:hover,
.band-chantier .btn-hero-outline:hover,
.hero-page .btn-outline:hover,
.page-hero .btn-outline:hover,
.services-cta .btn-outline:hover {
  color: var(--or);
  border-color: var(--or);
}

.btn-card {
  padding: 10px 22px;
  font-weight: 600;
  font-size: 0.88rem;
  background: transparent;
  color: var(--bleu-gmp);
  border: 1.5px solid var(--bleu-gmp);
}

.btn-card:hover {
  border-color: var(--or);
  color: var(--bleu-nuit);
}

.btn-inline-premium {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--bleu-gmp);
  text-decoration: none;
  border-bottom: 2px solid var(--or);
  padding-bottom: 4px;
}

.btn-inline-premium:hover {
  color: var(--or-fonce);
}

.btn-inline-premium i {
  transition: transform var(--transition);
}

.btn-inline-premium:hover i {
  transform: translateX(4px);
}

.btn-submit {
  width: 100%;
}

.btn-submit.is-loading {
  opacity: 0.75;
  pointer-events: none;
}

.btn-whatsapp {
  padding: 15px 32px;
  background: #25D366;
  color: var(--blanc);
  border: none;
  width: 100%;
}

.btn-whatsapp:hover {
  background: #1EBE5B;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.35);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--bleu-gmp);
  text-decoration: none;
}

.card-link i {
  transition: transform var(--transition);
}

.card-link:hover {
  color: var(--or-fonce);
}

.card-link:hover i {
  transform: translateX(4px);
}

/* == 06. Cards génériques ================================================= */
.card,
.service-card,
.valeur-card,
.btp-service-card,
.etape,
.plan-card,
.projet-card {
  background: var(--blanc);
  border: 1px solid var(--ligne);
  border-radius: var(--radius);
  box-shadow: var(--ombre);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
}

.service-card:hover,
.valeur-card:hover,
.btp-service-card:hover,
.etape:hover,
.plan-card:hover,
.projet-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--ombre-forte);
  border-color: rgba(27, 79, 140, 0.25);
}

/* == 07. Header & navigation ============================================== */
/* Transparent au repos (80px), sombre + blur au scroll (65px) */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: 80px;
  background: transparent;
  transition: background-color 0.3s ease, height 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled,
.site-header.menu-open {
  height: 65px;
  background: rgba(13, 27, 42, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.header-inner {
  height: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  min-width: 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-self: end;
}

/* CTA Devis : outline or qui se remplit au hover */
.header-devis-btn {
  display: none;
  align-items: center;
  padding: 11px 30px;
  border: 1.5px solid var(--or);
  border-radius: var(--radius);
  color: var(--or);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition),
    transform var(--transition);
}

.header-devis-btn:hover {
  background: var(--or);
  color: var(--bleu-nuit);
  transform: translateY(-2px);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--blanc);
  text-decoration: none;
  min-width: 0;
}

.logo-emblem {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--blanc);
  border: 1px solid rgba(245, 166, 35, 0.4);
}

.logo-emblem img {
  width: 100%;
  height: 100%;
  padding: 4px;
  object-fit: contain;
}

.logo-copy {
  display: none;
}

/* Hamburger : 3 barres qui se transforment en croix */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(245, 166, 35, 0.5);
  border-radius: var(--radius);
  background: rgba(245, 166, 35, 0.08);
}

.nav-toggle-bar {
  width: 20px;
  height: 2px;
  background: var(--or);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.menu-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menu mobile : ouverture/fermeture fluide (opacity + glissement) */
.site-nav {
  position: absolute;
  top: calc(100% + 8px);
  left: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  border-radius: var(--radius);
  background: var(--bleu-nuit);
  box-shadow: var(--ombre-forte);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

.site-nav.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.site-nav a {
  position: relative;
  color: var(--blanc);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 12px 10px;
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--or);
}

/* == 08. Hero accueil ===================================================== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  color: var(--blanc);
  background: var(--bleu-nuit);
  overflow: hidden;
}

/* Fond : une seule image fixe + overlay gradient (DESIGN.md, pas de slider) */
.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  background:
    linear-gradient(100deg, rgba(13, 27, 42, 0.96) 20%, rgba(13, 27, 42, 0.82) 52%, rgba(13, 27, 42, 0.45) 100%);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 130px;
  padding-bottom: 90px;
}

.hero-title {
  color: var(--blanc);
  line-height: 0.98;
}

.hero-title span {
  display: block;
}

.hero-desc {
  margin-top: 24px;
  max-width: 560px;
  font-size: 1.05rem;
  color: var(--blanc-70);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}

.hero-image-wrap {
  display: none;
}

.hero-image {
  position: relative;
}

/* Cadre or décalé vers le bas-gauche : reste toujours dans la page
   (le décalage vers la droite dépassait du viewport) */
.hero-image::after {
  content: '';
  position: absolute;
  inset: 15px 15px -15px -15px;
  border: 2px solid var(--or);
  border-radius: var(--radius);
  z-index: -1;
}

.hero-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--ombre-forte);
}

.scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blanc-45);
}

.scroll-line {
  width: 1px;
  height: 38px;
  background: var(--or);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.35; transform: scaleY(0.6); }
}

/* == 08b. Direction « le chantier en une » ================================ */
/* Le hero est une vraie photo de chantier : titre en bas à gauche,
   cartouche technique posé sur la photo comme un tampon de dossier. */
.hero-chantier .hero-layout {
  grid-template-columns: 1fr;
  align-items: end;
  align-content: end;
  min-height: 100vh;
  padding-top: 120px;
  padding-bottom: 110px;
}

.hero-chantier .hero-overlay {
  background:
    linear-gradient(to top, rgba(13, 27, 42, 0.96) 0%, rgba(13, 27, 42, 0.45) 42%, rgba(13, 27, 42, 0.25) 100%),
    linear-gradient(100deg, rgba(13, 27, 42, 0.55) 0%, transparent 55%);
}

.hero-chantier .hero-desc {
  margin-top: 20px;
}

/* Label technique (annotations photo, bande chantier) */
.cartouche-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--or);
}

/* Label capsule or (en-têtes de section) */
.capsule-savoir {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(245, 166, 35, 0.12);
  color: var(--or-fonce);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.capsule-savoir::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--or);
}

/* Services en registre : liste dense + photo annotée */
.services-registre {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}

.registre-list {
  counter-reset: none;
}

.registre-row {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--ligne);
  transition: background-color var(--transition);
}

.registre-list .registre-row:first-child {
  border-top: 1px solid var(--ligne);
}

.registre-num {
  flex: 0 0 auto;
  font-family: var(--font-titre);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1.3;
  color: var(--or);
  min-width: 42px;
}

.registre-copy h3 {
  font-size: 1.3rem;
}

.registre-copy p {
  margin-top: 2px;
  font-size: 0.92rem;
  color: var(--texte-doux);
}

.registre-link {
  flex: 0 0 auto;
  margin-left: auto;
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1.5px solid var(--ligne);
  border-radius: 50%;
  color: var(--bleu-gmp);
  text-decoration: none;
  transition: border-color var(--transition), background-color var(--transition),
    color var(--transition), transform var(--transition);
}

.registre-row:hover .registre-link,
.registre-link:focus-visible {
  border-color: var(--or);
  background: var(--or);
  color: var(--bleu-nuit);
  transform: translateX(3px);
}

.registre-photo {
  position: relative;
  margin: 0;
}

.registre-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  box-shadow: var(--ombre-forte);
}

.photo-annot {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 18px;
  border: 1px solid var(--ligne);
  border-top: 3px solid var(--or);
  background: var(--blanc);
  font-size: 0.88rem;
  color: var(--texte);
}

/* Bande chantier pleine largeur */
.band-chantier {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.band-chantier > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.band-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 27, 42, 0.92) 0%, rgba(13, 27, 42, 0.25) 55%, rgba(13, 27, 42, 0.15) 100%);
}

.band-inner {
  position: relative;
  z-index: 1;
  padding-top: 64px;
  padding-bottom: 64px;
  color: var(--blanc);
}

.band-inner h2 {
  color: var(--blanc);
  margin: 10px 0 24px;
  max-width: 18ch;
}

/* == 09. Stats / compteurs (DESIGN.md) ==================================== */
.stats-section {
  background: var(--bleu-nuit);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  /* fond pleine largeur, contenu aligné sur le container */
  padding-inline: max(24px, calc((100% - var(--container)) / 2));
}

.stat-item {
  padding: 48px 24px;
  text-align: center;
}

.stat-number,
.stat-plus {
  font-family: var(--font-titre);
  font-weight: 800;
  font-size: 5rem;
  line-height: 1;
  color: var(--blanc);
}

.stat-plus {
  color: var(--or);
  margin-left: 4px;
}

.stat-label {
  display: block;
  margin-top: 12px;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blanc-45);
}

/* == 10. Services accueil — layout asymétrique (DESIGN.md) ================ */
.premium-services {
  background: var(--blanc);
}

.premium-heading {
  text-align: center;
  margin-bottom: 56px;
}

.premium-heading p {
  margin: 0 auto 14px;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--bleu-gmp);
}

.section-title-premium {
  color: var(--encre);
}

.services-grid-premium {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.service-card-premium {
  position: relative;
  overflow: hidden;
  background: var(--blanc);
  border: 1px solid var(--ligne);
  border-radius: var(--radius);
  box-shadow: var(--ombre);
  padding: 28px;
  transition: background-color 0.35s ease, transform var(--transition),
    box-shadow var(--transition);
}

/* Numéro décoratif en arrière-plan */
.service-card-premium .card-number {
  position: absolute;
  right: 12px;
  top: 0;
  font-family: var(--font-titre);
  font-weight: 800;
  font-size: 7rem;
  line-height: 1;
  color: var(--bleu-nuit);
  opacity: 0.05;
  pointer-events: none;
}

.service-card-premium .card-image-wrap {
  margin: -28px -28px 20px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.service-card-premium .card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card-premium .card-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(27, 79, 140, 0.1);
  color: var(--bleu-gmp);
  font-size: 1.3rem;
  margin-bottom: 16px;
  transition: background-color 0.35s ease, color 0.35s ease;
}

.service-card-premium h3 {
  transition: color 0.35s ease;
}

.service-card-premium p {
  margin-top: 8px;
  color: var(--texte-doux);
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;              /* max 2 lignes (CLAUDE.md) */
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.35s ease;
}

/* Trait or en bas de card (scaleX 0 -> 1) */
.service-card-premium::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--or);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

/* Hover : inversion clair -> sombre (DESIGN.md) */
.service-card-premium:hover {
  background: var(--bleu-nuit);
  transform: translateY(-6px);
  box-shadow: var(--ombre-forte);
}

.service-card-premium:hover::after {
  transform: scaleX(1);
}

.service-card-premium:hover h3 {
  color: var(--blanc);
}

.service-card-premium:hover p {
  color: var(--blanc-70);
}

.service-card-premium:hover .card-icon-wrap {
  background: rgba(245, 166, 35, 0.15);
  color: var(--or);
}

.service-card-premium:hover .card-link {
  color: var(--or);
}

.service-card-premium:hover .card-image-wrap img {
  transform: scale(1.06);
}

/* == 11. Réalisations accueil (DESIGN.md) ================================= */
.premium-projects {
  background: var(--gris-clair);
}

.projects-heading {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 48px;
}

.projects-heading p {
  margin-bottom: 10px;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--bleu-gmp);
}

.realisations-grid-premium {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.realisation-card-premium {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  box-shadow: var(--ombre);
  text-decoration: none;
}

.realisation-card-premium img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.realisation-card-premium:hover img {
  transform: scale(1.07);
}

.realisation-card-premium .card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 6px 12px;
  background: rgba(13, 27, 42, 0.88);
  color: var(--or);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: var(--radius);
}

/* Overlay toujours visible (CLAUDE.md : jamais de contenu hover-only) ;
   le survol le renforce simplement */
.realisation-card-premium .card-overlay {
  position: absolute;
  inset: auto 0 0;
  z-index: 2;
  padding: 22px;
  background: linear-gradient(to top, rgba(13, 27, 42, 0.95), rgba(13, 27, 42, 0.55) 70%, transparent);
  transition: padding-bottom 0.3s ease;
}

.realisation-card-premium:hover .card-overlay {
  padding-bottom: 28px;
}

.realisation-card-premium .card-overlay h3 {
  color: var(--blanc);
  font-size: 1.35rem;
}

.realisation-card-premium .card-overlay p {
  margin-top: 4px;
  color: var(--or);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.realisations-coming-soon {
  text-align: center;
  padding: 60px 24px;
  background: var(--blanc);
  border: 1px dashed var(--ligne);
  border-radius: var(--radius);
  color: var(--texte-doux);
}

.realisations-coming-soon i {
  font-size: 2.2rem;
  color: var(--bleu-gmp);
  margin-bottom: 14px;
}

.realisations-coming-soon a {
  color: var(--bleu-gmp);
  font-weight: 600;
}

/* == 12. Pourquoi GMP (DESIGN.md) ========================================= */
.premium-why {
  background: var(--blanc);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.why-copy h2 {
  max-width: 22ch;
}

.why-intro {
  margin-top: 16px;
  color: var(--texte-doux);
}

.why-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: 40px;
}

.why-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.why-item > span {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(27, 79, 140, 0.1);
  color: var(--bleu-gmp);
  font-size: 1.15rem;
}

.why-item h3 {
  font-size: 1.3rem;
}

.why-item p {
  margin-top: 4px;
  font-size: 0.95rem;
  color: var(--texte-doux);
}

/* Image avec cadre or décalé +15px (DESIGN.md) */
.image-frame {
  position: relative;
  margin: 15px;
}

.image-frame::after {
  content: '';
  position: absolute;
  inset: -15px 15px 15px -15px;
  border: 2px solid var(--or);
  border-radius: var(--radius);
  z-index: 0;
  pointer-events: none;
}

.image-frame img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--ombre-forte);
}

/* == 13. Citation / bandeau (fond #1B4F8C, jamais l'or) =================== */
.quote-band {
  position: relative;
  background: var(--bleu-gmp);
  padding: 90px 0;
  color: var(--blanc);
  overflow: hidden;
}

.quote-band .container {
  position: relative;
  text-align: center;
}

.quote-band blockquote {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  font-style: italic;
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  line-height: 1.55;
  color: var(--blanc);
}

.quote-band blockquote > span {
  position: absolute;
  top: -70px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-titre);
  font-size: 12rem;
  font-weight: 800;
  font-style: normal;
  color: var(--blanc);
  opacity: 0.08;
  pointer-events: none;
}

.quote-band > .container > p {
  position: relative;
  margin: 28px auto 0;
  color: var(--or);
  font-weight: 600;
}

.quote-band > .container > p::before {
  content: '';
  display: inline-block;
  vertical-align: middle;
  width: 32px;
  height: 1px;
  background: var(--or);
  margin-right: 12px;
}

/* == 14. CTA final accueil =============================================== */
.premium-cta {
  background: var(--gris-clair);
  text-align: center;
}

.premium-cta h2 {
  margin-bottom: 12px;
}

.premium-cta > .container > p {
  margin: 0 auto;
  color: var(--texte-doux);
}

.premium-cta .hero-actions {
  justify-content: center;
}

/* == 15. Hero pages internes & breadcrumb ================================= */
.hero-page,
.page-hero {
  position: relative;
  background:
    linear-gradient(135deg, rgba(13, 27, 42, 0.97), rgba(13, 27, 42, 0.85)),
    var(--bleu-nuit);
  color: var(--blanc);
  padding: 170px 0 90px;
  text-align: center;
}

.hero-page .container,
.page-hero .container {
  position: relative;
  z-index: 1;
}

.hero-page h1,
.page-hero h1 {
  color: var(--blanc);
  margin-top: 12px;
}

.hero-page p,
.page-hero p {
  margin: 18px auto 0;
  max-width: 58ch;
  color: var(--blanc-70);
}

.breadcrumb {
  display: flex;
  gap: 10px;
  justify-content: flex-start;
  font-size: 0.85rem;
  color: var(--blanc-45);
  margin-bottom: 18px;
}

.breadcrumb-centered {
  justify-content: center;
}

.breadcrumb a {
  color: var(--blanc-70);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--or);
}

.btp-hero-actions,
.realisations-hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

/* == 16. Page Services ==================================================== */
.services-promise {
  background: var(--blanc);
  border-bottom: 1px solid var(--ligne);
}

.services-promise-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  padding: 32px 24px;
}

.services-promise-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-weight: 600;
  color: var(--encre);
}

.services-promise-item i {
  color: var(--bleu-gmp);
  font-size: 1.2rem;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.service-card {
  overflow: hidden;
}

.service-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.service-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card:hover .service-card-media img {
  transform: scale(1.06);
}

.service-card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 12px;
  background: rgba(13, 27, 42, 0.88);
  color: var(--or);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: var(--radius);
}

.service-card-body {
  position: relative;
  padding: 26px;
}

.service-card-icon {
  position: absolute;
  top: -26px;
  right: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bleu-gmp);
  color: var(--blanc);
  font-size: 1.15rem;
  box-shadow: var(--ombre);
}

.service-card-body h3 {
  font-size: 1.35rem;
}

.service-card-body p {
  margin-top: 8px;
  font-size: 0.95rem;
  color: var(--texte-doux);
}

/* Processus */
.processus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.etape {
  position: relative;
  padding: 32px 26px 28px;
  text-align: center;
}

.etape-numero {
  position: absolute;
  top: 10px;
  right: 16px;
  font-family: var(--font-titre);
  font-weight: 800;
  font-size: 3.2rem;
  line-height: 1;
  color: var(--bleu-nuit);
  opacity: 0.06;
}

.etape-cercle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(27, 79, 140, 0.1);
  color: var(--bleu-gmp);
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.etape h3 {
  font-size: 1.3rem;
}

.etape p {
  margin: 8px auto 0;
  font-size: 0.92rem;
  color: var(--texte-doux);
}

/* Bandeau CTA commun (services / btp / réalisations / à-propos) */
.services-cta {
  background: var(--bleu-nuit);
  text-align: center;
  color: var(--blanc-70);
}

.services-cta h2 {
  color: var(--blanc);
  margin-bottom: 12px;
}

.services-cta > .container > p {
  margin: 0 auto;
  color: var(--blanc-70);
}

.services-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

/* == 17. Page BTP ========================================================= */
.btp-intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.btp-intro-copy p {
  margin-top: 16px;
  color: var(--texte);
}

.btp-intro-media {
  position: relative;
  margin: 15px;
}

.btp-intro-media::after {
  content: '';
  position: absolute;
  inset: -15px 15px 15px -15px;
  border: 2px solid var(--or);
  border-radius: var(--radius);
  pointer-events: none;
}

.btp-intro-media img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--ombre-forte);
}

.btp-services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.btp-service-card {
  padding: 32px 26px;
}

.btp-service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(27, 79, 140, 0.1);
  color: var(--bleu-gmp);
  font-size: 1.25rem;
  margin-bottom: 18px;
}

.btp-service-card h3 {
  font-size: 1.35rem;
}

.btp-service-card p {
  margin-top: 8px;
  font-size: 0.95rem;
  color: var(--texte-doux);
}

/* == 18. Page Réalisations ================================================ */
.realisations-overview {
  background: var(--blanc);
  border-bottom: 1px solid var(--ligne);
}

.realisations-overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  padding: 32px 24px;
}

.realisations-overview-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 22px;
  text-align: center;
  text-decoration: none;
  border: 1px solid var(--ligne);
  border-radius: var(--radius);
  color: var(--encre);
  transition: transform var(--transition), border-color var(--transition),
    box-shadow var(--transition);
}

.realisations-overview-card:hover {
  transform: translateY(-4px);
  border-color: rgba(27, 79, 140, 0.3);
  box-shadow: var(--ombre);
}

.realisations-overview-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(27, 79, 140, 0.1);
  color: var(--bleu-gmp);
  font-size: 1.1rem;
}

.realisations-overview-card strong {
  font-family: var(--font-titre);
  font-size: 1.2rem;
  text-transform: uppercase;
}

.realisations-overview-card small {
  color: var(--texte-doux);
}

/* Filtres */
.filtres-container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}

.filtre-btn {
  padding: 9px 20px;
  border: 1.5px solid var(--ligne);
  border-radius: 999px;
  background: var(--blanc);
  color: var(--texte);
  font-weight: 500;
  font-size: 0.88rem;
  transition: all var(--transition);
}

.filtre-btn:hover {
  border-color: var(--bleu-gmp);
  color: var(--bleu-gmp);
}

.filtre-btn.actif {
  background: var(--bleu-nuit);
  border-color: var(--bleu-nuit);
  color: var(--blanc);
}

/* Galerie simple */
.galerie-simple-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.galerie-simple-card {
  border-radius: var(--radius);
  overflow: hidden;
}

.galerie-simple-media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
  padding: 0;
  box-shadow: var(--ombre);
}

.galerie-simple-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.galerie-simple-media:hover img {
  transform: scale(1.07);
}

.galerie-simple-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 5px 12px;
  background: rgba(13, 27, 42, 0.88);
  color: var(--or);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: var(--radius);
}

/* Overlay toujours visible (CLAUDE.md : jamais de contenu hover-only) */
.galerie-simple-overlay {
  position: absolute;
  inset: auto 0 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 18px;
  text-align: left;
  background: linear-gradient(to top, rgba(13, 27, 42, 0.95), rgba(13, 27, 42, 0.5) 70%, transparent);
  color: var(--blanc);
}

.galerie-simple-overlay strong {
  font-family: var(--font-titre);
  font-size: 1.1rem;
  text-transform: uppercase;
}

.galerie-simple-overlay span {
  color: var(--or);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Galerie vide */
.galerie-vide {
  padding: 24px 0;
}

.galerie-vide-inner {
  max-width: 560px;
  margin: 0 auto;
  padding: 48px 32px;
  text-align: center;
  background: var(--blanc);
  border: 1px dashed var(--ligne);
  border-radius: var(--radius);
}

.galerie-vide-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(27, 79, 140, 0.1);
  color: var(--bleu-gmp);
  font-size: 1.5rem;
  margin-bottom: 18px;
}

.galerie-vide-inner h3 {
  margin-bottom: 10px;
}

.galerie-vide-inner p {
  margin: 0 auto 22px;
  color: var(--texte-doux);
}

/* Avant / après */
.projets-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.projet-card {
  overflow: hidden;
}

.slider-container {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  user-select: none;
  touch-action: pan-y;
}

.slider-container img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.img-apres {
  clip-path: inset(0 0 0 50%);
}

.label-avant,
.label-apres {
  position: absolute;
  top: 12px;
  z-index: 2;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: var(--radius);
  background: rgba(13, 27, 42, 0.85);
  color: var(--blanc);
}

.label-avant { left: 12px; }
.label-apres { right: 12px; color: var(--or); }

.slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  z-index: 3;
  width: 3px;
  background: var(--or);
  cursor: ew-resize;
  transform: translateX(-50%);
}

.slider-handle::after {
  content: '\2194';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--or);
  color: var(--bleu-nuit);
  font-size: 1rem;
  box-shadow: var(--ombre);
}

.card-infos {
  padding: 24px;
}

.card-infos h3 {
  margin-top: 12px;
  font-size: 1.3rem;
}

.card-infos p {
  margin: 8px 0 16px;
  font-size: 0.93rem;
  color: var(--texte-doux);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(13, 27, 42, 0.94);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

body.lightbox-open {
  overflow: hidden;
}

.lightbox-dialog,
.galerie-lb-inner {
  position: relative;
  max-width: 960px;
  width: 100%;
  max-height: 90vh;
}

.galerie-lb-inner img {
  width: 100%;
  max-height: 68vh;
  object-fit: contain;
  border-radius: var(--radius);
}

.galerie-lb-meta,
.lightbox-meta {
  margin-top: 16px;
  text-align: center;
  color: var(--blanc);
}

.galerie-lb-meta strong,
.lightbox-meta h2 {
  display: block;
  margin-top: 10px;
  font-family: var(--font-titre);
  font-size: 1.5rem;
  text-transform: uppercase;
  color: var(--blanc);
}

.galerie-lb-meta p,
.lightbox-meta p {
  margin: 6px auto 0;
  max-width: 60ch;
  color: var(--blanc-70);
  font-size: 0.95rem;
}

.galerie-lb-meta > span:last-child {
  display: block;
  margin-top: 10px;
  font-size: 0.8rem;
  letter-spacing: 2px;
  color: var(--blanc-45);
}

.lightbox-close {
  position: absolute;
  top: -18px;
  right: -6px;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--or);
  color: var(--bleu-nuit);
  font-size: 1.1rem;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--ligne-sombre);
  background: rgba(255, 255, 255, 0.08);
  color: var(--blanc);
  font-size: 1rem;
  transition: background-color var(--transition), color var(--transition);
}

.lightbox-nav:hover {
  background: var(--or);
  color: var(--bleu-nuit);
}

.lightbox-prev { left: 8px; }
.lightbox-next { right: 8px; }

.lightbox .lightbox-close {
  top: 12px;
  right: 12px;
  position: fixed;
}

.lightbox-content .slider-container {
  border-radius: var(--radius);
}

/* == 19. Page À propos ==================================================== */
.about-story-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.about-story-copy p {
  margin-top: 16px;
}

.about-proof-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.point-fort {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--encre);
}

.point-fort i {
  color: var(--or);
}

.about-visual {
  position: relative;
  margin: 15px 15px 40px;
}

.about-visual::after {
  content: '';
  position: absolute;
  inset: -15px 15px 15px -15px;
  border: 2px solid var(--or);
  border-radius: var(--radius);
  pointer-events: none;
}

.about-visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--ombre-forte);
}

.about-visual-card {
  position: absolute;
  z-index: 2;
  left: 18px;
  bottom: -28px;
  padding: 16px 20px;
  background: var(--bleu-nuit);
  color: var(--blanc);
  border-radius: var(--radius);
  box-shadow: var(--ombre-forte);
}

.about-visual-card strong {
  display: block;
  font-family: var(--font-titre);
  text-transform: uppercase;
  font-size: 1.05rem;
}

.about-visual-card span {
  font-size: 0.85rem;
  color: var(--blanc-70);
}

/* Stats à propos : bandeau sombre (DESIGN.md compteurs) */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  background: var(--bleu-nuit);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat-bloc {
  padding: 40px 20px;
  text-align: center;
}

.stat-nombre {
  font-family: var(--font-titre);
  font-weight: 800;
  font-size: 3.4rem;
  line-height: 1;
  color: var(--blanc);
}

.stat-bloc .stat-label {
  margin-top: 10px;
}

/* Valeurs */
.valeurs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.valeur-card {
  padding: 32px 26px;
  text-align: center;
}

.valeur-icone-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(27, 79, 140, 0.1);
  color: var(--bleu-gmp);
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.valeur-card h3 {
  font-size: 1.3rem;
}

.valeur-card p {
  margin: 8px auto 0;
  font-size: 0.93rem;
  color: var(--texte-doux);
}

/* Méthode / timeline */
.about-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.about-timeline-item {
  position: relative;
  padding: 26px 24px 24px;
  background: var(--blanc);
  border: 1px solid var(--ligne);
  border-top: 3px solid var(--or);
  border-radius: var(--radius);
  box-shadow: var(--ombre);
}

.about-timeline-item > span {
  font-family: var(--font-titre);
  font-weight: 800;
  font-size: 2rem;
  color: var(--bleu-gmp);
}

.about-timeline-item h3 {
  margin-top: 6px;
  font-size: 1.25rem;
}

.about-timeline-item p {
  margin-top: 6px;
  font-size: 0.92rem;
  color: var(--texte-doux);
}

/* Mot du dirigeant */
.dg-section .section-2col {
  align-items: center;
}

.dg-profile {
  text-align: center;
}

.dg-photo-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: var(--bleu-gmp);
  border: 3px solid rgba(245, 166, 35, 0.6);
  color: var(--blanc);
  font-family: var(--font-titre);
  font-weight: 800;
  font-size: 3.2rem;
}

.dg-badge {
  display: block;
  margin-top: 18px;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--or);
  font-weight: 500;
}

.citation-bloc {
  position: relative;
  margin-top: 8px;
}

.citation-guillemet {
  position: absolute;
  top: -60px;
  left: -12px;
  font-family: var(--font-titre);
  font-size: 9rem;
  font-weight: 800;
  color: var(--blanc);
  opacity: 0.08;
  pointer-events: none;
}

.citation-texte {
  position: relative;
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--blanc);
  max-width: 600px;
}

.citation-auteur {
  margin-top: 22px;
  font-weight: 700;
  color: var(--or);
}

.citation-auteur-titre {
  font-size: 0.88rem;
  color: var(--blanc-45);
}

/* Informations légales */
.legal-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--ligne);
  border-radius: var(--radius);
  box-shadow: var(--ombre);
}

.table-legale td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--ligne);
  font-size: 0.95rem;
}

.table-legale tr:last-child td {
  border-bottom: none;
}

.table-legale td:first-child {
  width: 38%;
  font-weight: 600;
  color: var(--encre);
  background: var(--gris-clair);
}

/* == 20. Page Nos Modèles ================================================= */
.plans-hero .plans-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 26px;
}

.plans-legend span {
  padding: 6px 14px;
  border: 1px solid var(--ligne-sombre);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--blanc-70);
}

.plans-section {
  padding: var(--section) 0;
  background: var(--gris-clair);
}

.plans-vide {
  text-align: center;
  color: var(--texte-doux);
}

.plans-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.plan-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.plan-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bleu-nuit);
}

.plan-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.plan-card:hover .plan-media img {
  transform: scale(1.05);
}

.plan-media--bp {
  display: flex;
  align-items: center;
  justify-content: center;
}

.bp-art {
  width: 70%;
  color: rgba(255, 255, 255, 0.75);
}

.bp-art svg {
  width: 100%;
  height: auto;
}

.bp-note {
  position: absolute;
  bottom: 46px; /* au-dessus du badge .plan-type (bottom: 12px) */
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--blanc-45);
  white-space: nowrap;
}

.plan-index,
.plan-level,
.plan-type {
  position: absolute;
  z-index: 2;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: var(--radius);
}

.plan-index {
  top: 12px;
  left: 12px;
  background: rgba(13, 27, 42, 0.88);
  color: var(--or);
}

.plan-level {
  top: 12px;
  right: 12px;
  background: var(--or);
  color: var(--bleu-nuit);
}

.plan-type {
  bottom: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--bleu-nuit);
}

.plan-bracket {
  position: absolute;
  z-index: 2;
  width: 22px;
  height: 22px;
  border: 2px solid rgba(245, 166, 35, 0.8);
}

.plan-bracket--tl {
  top: 8px;
  left: 8px;
  border-right: none;
  border-bottom: none;
}

.plan-bracket--br {
  bottom: 8px;
  right: 8px;
  border-left: none;
  border-top: none;
}

.plan-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 26px;
  flex: 1;
}

.plan-titre {
  font-size: 1.6rem;
}

.plan-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.plan-spec {
  padding: 12px 14px;
  background: var(--gris-clair);
  border-radius: var(--radius);
}

.plan-spec-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--texte-doux);
}

.plan-spec-value {
  display: block;
  margin-top: 2px;
  font-family: var(--font-titre);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--encre);
}

.plan-desc {
  font-size: 0.93rem;
  color: var(--texte-doux);
}

.plan-carac {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.plan-carac li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--texte);
}

.plan-carac i {
  color: var(--bleu-gmp);
  width: 18px;
  text-align: center;
}

.plan-carac strong {
  color: var(--encre);
}

.plan-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  background: var(--or);
  color: var(--bleu-nuit);
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: var(--radius);
  transition: background-color var(--transition), transform var(--transition);
}

.plan-cta:hover {
  background: var(--or-fonce);
  transform: translateY(-2px);
}

.plan-cta i {
  transition: transform var(--transition);
}

.plan-cta:hover i {
  transform: translateX(4px);
}

/* Bandeau sur-mesure */
.plans-bandeau {
  background: var(--bleu-gmp);
  padding: 80px 0;
  text-align: center;
  color: var(--blanc);
}

.plans-bandeau h2 {
  color: var(--blanc);
}

.plans-bandeau p {
  margin: 14px auto 28px;
  max-width: 54ch;
  color: rgba(255, 255, 255, 0.82);
}

/* == 21. Page Contact ===================================================== */
.contact-hero-inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: center;
}

.contact-hero-socials {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.socials-title {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blanc-45);
}

.contact-trust {
  background: var(--blanc);
  border-bottom: 1px solid var(--ligne);
}

.contact-trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  padding: 30px 24px;
}

.contact-trust-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-weight: 600;
  color: var(--encre);
}

.contact-trust-item i {
  color: var(--bleu-gmp);
  font-size: 1.2rem;
}

.contact-main {
  padding: var(--section) 0;
  background: var(--gris-clair);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.contact-form-wrap {
  background: var(--blanc);
  border: 1px solid var(--ligne);
  border-radius: var(--radius);
  box-shadow: var(--ombre);
  padding: 40px 32px;
}

.contact-intro {
  margin: 12px 0 28px;
  color: var(--texte-doux);
}

/* Formulaire */
.contact-form {
  display: grid;
  gap: var(--gap);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.form-group {
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--encre);
}

.field-icon {
  position: absolute;
  left: 16px;
  top: 47px;
  color: var(--texte-doux);
  font-size: 0.95rem;
  pointer-events: none;
}

.form-group.has-textarea .field-icon {
  top: 46px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px 14px 44px;
  border: 1.5px solid var(--ligne);
  border-radius: var(--radius);
  background: var(--blanc);
  color: var(--encre);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--texte-doux);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--bleu-gmp);
  box-shadow: 0 0 0 3px rgba(27, 79, 140, 0.12);
}

/* Alertes */
.alerte-succes,
.alerte-erreur {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  margin-bottom: 24px;
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.alerte-succes {
  background: #E8F7EE;
  border: 1px solid #9BDDB4;
  color: #1B6B3A;
}

.alerte-succes i {
  color: #23A455;
  margin-top: 3px;
}

.alerte-erreur {
  flex-direction: column;
  background: #FDEDEC;
  border: 1px solid #F2B8B5;
  color: #9C2B23;
}

.alerte-erreur-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.alerte-erreur ul {
  padding-left: 28px;
  list-style: disc;
}

/* Sidebar coordonnées : panneau structure (30%) */
.contact-sidebar {
  background: var(--bleu-nuit);
  color: var(--blanc-70);
  border-radius: var(--radius);
  box-shadow: var(--ombre-forte);
  padding: 36px 30px;
}

.contact-sidebar .section-kicker {
  color: var(--or);
}

.contact-sidebar h3 {
  color: var(--blanc);
  margin-bottom: 24px;
}

.contact-infos {
  display: grid;
  gap: 20px;
}

.info-bloc {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: transform var(--transition);
}

.info-bloc:hover {
  transform: translateX(4px);
}

.info-icone {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--or);
  font-size: 1rem;
}

.info-icone.whatsapp {
  color: #25D366;
}

.info-texte strong {
  display: block;
  color: var(--blanc);
  font-size: 0.95rem;
}

.info-texte span,
.info-texte a {
  font-size: 0.92rem;
  color: var(--blanc-70);
  text-decoration: none;
}

.info-texte a:hover {
  color: var(--or);
}

.online-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  font-size: 0.78rem;
  color: #25D366;
}

.online-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #25D366;
  animation: pulse-dot 1.6s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.25); }
}

.sidebar-socials {
  margin: 28px 0 24px;
}

.sidebar-socials strong {
  display: block;
  color: var(--blanc);
  margin-bottom: 12px;
  font-size: 0.95rem;
}

/* Badges réseaux sociaux (header contact, sidebar, footer) */
[class*='social-badges'] {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  color: var(--blanc);
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition);
}

.social-badge:hover {
  background: var(--blanc);
  border-color: var(--blanc);
  color: var(--bleu-nuit);
  transform: translateY(-3px);
}

/* Carte */
.section-carte {
  padding: var(--section) 0;
  background: var(--blanc);
}

.carte-wrapper {
  border: 1px solid var(--ligne);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--ombre);
}

.carte-frame {
  width: 100%;
  height: 420px;
  border: none;
}

.carte-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 18px auto 0;
  color: var(--texte-doux);
  font-size: 0.92rem;
}

.carte-note i {
  color: var(--bleu-gmp);
}

/* == 22. Page 404 ========================================================= */
.page-hero-404 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
}

.error-404-content {
  text-align: center;
}

.error-404-code {
  font-family: var(--font-titre);
  font-weight: 800;
  font-size: clamp(6rem, 18vw, 11rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(245, 166, 35, 0.65);
}

.error-404-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.error-404-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-top: 40px;
}

.error-404-links a {
  color: var(--blanc-70);
  text-decoration: none;
  font-size: 0.92rem;
}

.error-404-links a:hover {
  color: var(--or);
}

/* == 23. Footer (DESIGN.md) =============================================== */
.site-footer {
  background: var(--bleu-nuit);
  color: var(--blanc-70);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-top: 80px;
  padding-bottom: 56px;
}

.footer-title {
  color: var(--blanc);
  font-size: 1.35rem;
  margin-bottom: 18px;
}

.footer-brand p {
  margin-top: 4px;
  font-size: 0.95rem;
}

.footer-links li,
.footer-services li,
.footer-contact li {
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--blanc-70);
}

.footer-links a:hover {
  color: var(--or);
}

.footer-contact i {
  width: 20px;
  color: var(--or);
}

.footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

/* Séparateur fin + copyright plus sombre (DESIGN.md) */
.footer-bottom {
  border-top: 1px solid var(--ligne-sombre);
  background: var(--copyright);
  padding: 22px 0 26px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--blanc-45);
}

/* == 24. Bouton WhatsApp flottant (pill extensible, DESIGN.md) ============ */
.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 900;
  display: inline-flex;
  align-items: center;
  height: 58px;
  padding: 0;
  border-radius: 999px;
  background: #25D366;
  color: var(--blanc);
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.45);
  overflow: hidden;
  transition: padding var(--transition);
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 999px;
  border: 2px solid #25D366;
  animation: pulse-wa 2s ease-out infinite;
  pointer-events: none;
}

@keyframes pulse-wa {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.45); opacity: 0; }
}

.wa-icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  font-size: 1.7rem;
}

.wa-text {
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  font-weight: 600;
  font-size: 0.95rem;
  transition: max-width 0.35s ease, padding 0.35s ease;
}

.whatsapp-float:hover .wa-text,
.whatsapp-float:focus-visible .wa-text {
  max-width: 140px;
  padding-right: 22px;
}

/* == 25. Scrollbar personnalisée (DESIGN.md) ============================== */
::-webkit-scrollbar {
  width: 5px;
}

::-webkit-scrollbar-track {
  background: var(--bleu-nuit);
}

::-webkit-scrollbar-thumb {
  background: var(--or);
  border-radius: 3px;
}

/* == 26. Curseur personnalisé (DESIGN.md — activé via body.has-custom-cursor,
      nécessite les éléments .cursor/.cursor-follower + le JS dédié) ======= */
.cursor,
.cursor-follower {
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  body.has-custom-cursor {
    cursor: none;
  }

  body.has-custom-cursor a,
  body.has-custom-cursor button {
    cursor: none;
  }

  body.has-custom-cursor .cursor {
    display: block;
    position: fixed;
    z-index: 3000;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--or);
    pointer-events: none;
    transform: translate(-50%, -50%);
    mix-blend-mode: difference;
  }

  body.has-custom-cursor .cursor-follower {
    display: block;
    position: fixed;
    z-index: 3000;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1.5px solid var(--or);
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: transform 0.12s ease-out, width 0.2s ease, height 0.2s ease;
    mix-blend-mode: difference;
  }

  body.has-custom-cursor .cursor.is-hover {
    transform: translate(-50%, -50%) scale(2);
  }

  body.has-custom-cursor .cursor-follower.is-hover {
    transform: translate(-50%, -50%) scale(2);
  }
}

/* == 27. Responsive ======================================================= */
@media (min-width: 640px) {
  .services-promise-grid,
  .contact-trust-grid,
  .realisations-overview-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .galerie-simple-grid,
  .projets-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .valeurs-grid,
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .plan-specs {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .logo-copy {
    display: block;
    line-height: 1.15;
  }

  .logo-copy strong {
    display: block;
    font-family: var(--font-titre);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
  }

  .logo-copy span {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--or);
  }

  .stats-section {
    grid-template-columns: repeat(4, 1fr);
  }

  .stat-item + .stat-item {
    border-left: 1px solid var(--ligne-sombre);
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .stat-bloc + .stat-bloc {
    border-left: 1px solid var(--ligne-sombre);
  }

  /* Mosaïque : première photo en grand sur 2 rangées */
  .realisations-grid-premium {
    grid-template-columns: 3fr 2fr;
  }

  .realisations-grid-premium .realisation-card-premium:first-child {
    grid-row: span 2;
    aspect-ratio: auto;
    height: 100%;
  }

  .realisations-grid-premium .realisation-card-premium:nth-child(n + 2) {
    aspect-ratio: 16 / 10;
  }

  .processus-grid,
  .about-timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .plans-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .nav-toggle {
    display: none;
  }

  /* Menu centré entre le logo et le CTA Devis */
  .site-nav {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-self: center;
    gap: 6px;
    padding: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 10px 12px;
    font-size: 0.92rem;
  }

  .site-nav a::after {
    content: '';
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 4px;
    height: 2px;
    background: var(--or);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
  }

  .site-nav a.active::after,
  .site-nav a:hover::after {
    transform: scaleX(1);
  }

  .header-devis-btn {
    display: inline-flex;
  }

  .hero-layout {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .hero-chantier .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-image-wrap {
    display: block;
    padding: 0 0 15px 15px;
  }

  .services-registre {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
  }

  .projects-heading {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .why-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .section-2col {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 60px;
  }

  .btp-intro-grid,
  .about-story-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
  }

  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .processus-grid,
  .about-timeline {
    grid-template-columns: repeat(4, 1fr);
  }

  .btp-services-grid,
  .galerie-simple-grid,
  .projets-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .valeurs-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
  }

  .contact-hero-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    text-align: left;
  }

  .contact-hero-text .breadcrumb {
    justify-content: flex-start;
  }

  .contact-hero .container {
    text-align: left;
  }

  .contact-hero-text p {
    margin-left: 0;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 0.8fr 1fr 1fr;
    gap: 60px;
  }

  .plans-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  :root {
    --section: 64px;
  }

  h1 {
    font-size: clamp(2.4rem, 11vw, 3rem);
  }

  .hero {
    min-height: 100svh;
  }

  .hero-layout {
    padding-top: 120px;
    padding-bottom: 100px;
  }

  .stat-number,
  .stat-plus {
    font-size: 3.2rem;
  }

  .hero-page,
  .page-hero {
    padding: 140px 0 64px;
  }

  .hero-chantier .hero-layout {
    padding-bottom: 90px;
  }

  .band-chantier {
    min-height: 380px;
  }

  .contact-form-wrap {
    padding: 28px 20px;
  }

  .quote-band blockquote > span {
    font-size: 8rem;
    top: -46px;
  }

  .about-visual {
    margin-bottom: 48px;
  }

  .lightbox-nav {
    width: 40px;
    height: 40px;
  }

  .lightbox-prev { left: 4px; }
  .lightbox-next { right: 4px; }
}

/* == 28. Préférences utilisateur ========================================== */
@media (scripting: none) {
  .reveal {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
  }
}