/*— Réinitialisation des marges et du box-sizing pour tous les éléments —*/
 * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/*— Style global du body (texte, couleur de fond, police) —*/
body {
  font-family: 'SamsungOne', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

/*— HEADER : barre de navigation en haut de la page —*/
header {
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  border-bottom: 1px solid #ddd;
}
.logo {
  font-weight: bold;
  font-size: 24px;
  color: #1f2e50;
}
nav a {
  margin-left: 30px;
  text-decoration: none;
  color: #1f2e50;
  font-weight: 500;
}

/*— HERO : grande image avec texte d’intro —*/
.hero {
  position: relative;
  height: 72vh;
  background-image: url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c');
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}
/* Effet zoom au survol */
.hero:hover {
  transform: scale(1.03);
}
/* Superposition sombre pour rendre le texte lisible */
.overlay {
  background-color: rgba(0, 0, 0, 0.5);
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: white;
  padding: 2rem;
}
.overlay h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: bold;
}
.overlay p {
  font-size: 1.1rem;
  max-width: 600px;
}
/* Bouton dans le hero */
.btn {
  margin-top: 1.5rem;
  padding: 0.9rem 1.8rem;
  background-color: white;
  color: #333;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
}
.btn:hover {
  background-color: #ddd;
  transform: scale(1.05);
}

/*— section avec les services proposés */
.services {
  padding: 50px 20px;
  text-align: center;
}
.services h2 {
  margin-bottom: 30px;
  font-size: 28px;
  color: #1f2e50;
}
/* Galerie des services (responsive) */
.service-gallery {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
}
.service {
  width: 250px;
}
.service img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.07);
  transition: transform 0.3s ease;
}
.service img:hover {
  transform: scale(1.05);
}
.service p {
  margin-top: 10px;
  font-size: 1.1rem;
  color: #1f2e50;
}

/* avant / après */
.avant-apres {
  padding: 50px 20px;
  text-align: center;
  margin-top: 0;
}
.avant-apres h2 {
  margin-bottom: 30px;
  font-size: 28px;
  color: #1f2e50;
}
.images {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}
.images div {
  text-align: center;
}
.images img {
  width: 220px;
  border-radius: 5px;
}

/* section des avis clients */
.temoignages {
  padding: 60px 20px;
  background-color: #f9f9f9;
  text-align: center;
}
.temoignages h2 {
  margin-bottom: 40px;
  font-size: 28px;
  color: #1f2e50;
}
/* Container des avis clients*/
.avis-container {
  display: flex;
  justify-content: center;
  gap: 30px;
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 10px;
}
.avis {
  background: white;
  padding: 20px;
  border-radius: 10px;
  width: 300px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  text-align: left;
  color: #000;
  flex-shrink: 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.avis:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}
.avis img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 15px;
  border: 2px solid #1f2e50;
}
.avis blockquote {
  font-style: italic;
  color: #222;
}
.avis cite {
  display: block;
  margin-top: 10px;
  font-weight: bold;
  color: #1f2e50;
}
.etoiles {
  margin-top: 10px;
  font-size: 20px;
  color: #000;
  user-select: none;
}
.btn-avis {
  text-align: center;
  margin-top: 30px;
}
.bouton {
  display: inline-block;
  background-color: #1f2e50;
  color: white;
  padding: 12px 30px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s;
}
.bouton:hover {
  background-color: #163056;
}

/* Présentation de l’entreprise */
.a-propos {
  padding: 40px 20px;
  background-color: #f9f9f9;
  text-align: center;
  margin-bottom: 20px;
}
.a-propos h2 {
  color: #1f2e50;
  font-size: 2rem;
  margin-bottom: 20px;
}
.a-propos p {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.15rem;
  line-height: 1.6;
  color: #333;
}

/*— POURQUOI NOUS CHOISIR : mise en avant des points forts —*/
.why-choose-us {
  padding: 60px 20px;
  background: #f9f9f9;
  text-align: center;
}
.why-choose-us h2 {
  font-size: 2.2em;
  margin-bottom: 40px;
  color: #333;
}
/* Grille responsive pour les raisons */
.reasons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px 40px;
  justify-items: center;
  padding: 0 20px;
}
.reason {
  background: white;
  border-radius: 10px;
  padding: 25px;
  width: 200px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}
.reason:hover {
  transform: translateY(-5px);
}
/* Animation légère en quinconce */
.reason:nth-child(odd) {
  transform: translateY(20px);
}
.reason:nth-child(even) {
  transform: translateY(0);
}
.reason p {
  font-size: 1em;
  color: #444;
}

/* galerie de projets réalisés */
.realisations {
  padding: 50px 20px;
  text-align: center;
}
.realisations h2 {
  margin-bottom: 30px;
  font-size: 28px;
  color: #1f2e50;
}
.intro-realisations {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #444;
}
.realisations-gallery {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.realisations-gallery img {
  width: 220px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}
.realisations-gallery img:hover {
  transform: scale(1.05);
}



.btn-primary {
  background-color: #1f2e50;
  color: white;
  padding: 14px 40px;
  font-weight: 600;
  border-radius: 30px;
  font-size: 18px;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(31,46,80,0.3);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  display: inline-block;


margin-top: 35px; /* ← voilà, ça décale le bouton vers le bas */
}

.btn-primary:hover {
  background-color: #163155;
  box-shadow: 0 6px 15px rgba(22,49,85,0.6);
}





/* bas de page avec coordonnées et liens */
footer {
  background-color: #1f2e50;
  color: white;
  padding: 30px 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
footer .coordonnees p,
footer .reseaux a {
  margin-bottom: 10px;
}
footer a {
  color: white;
  text-decoration: none;
}

/*— MÉDIAS QUERIES : styles responsives pour les petits écrans —*/
@media (max-width: 768px) {
  header,
  .temoignage,
  footer {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  nav a {
    margin: 10px;
  }
  .hero {
    height: 50vh;
  }
  .overlay h1 { font-size: 2rem; }
  .overlay p { font-size: 1rem; }
  .services,
  .avant-apres,
  .temoignages,
  .realisations {
    padding: 30px 10px;
  }
  .service-gallery,
  .images,
  .avis-container,
  .realisations-gallery {
    flex-direction: column;
    align-items: center;
  }
  .service,
  .avis {
    width: 90%;
  }
}

/* ==== Popup élégante pour demande de devis ==== */

.popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  justify-content: center;
  align-items: center;
  background: rgba(10, 10, 20, 0.6); /* foncé et élégant */
  z-index: 999;
  backdrop-filter: blur(4px);
}

.popup-content {
  background: #fefefe;
  padding: 40px 30px;
  border-radius: 18px;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.25);
  text-align: center;
  max-width: 350px;
  width: 90%;
  animation: fadeIn 0.3s ease-out;
  font-family: 'Roboto', sans-serif;
  position: relative;
}

.popup-content h3 {
  font-size: 1.5rem;
  margin-bottom: 25px;
  color: #1a1a1a;
  font-weight: 600;
}

.popup-content .btn {
  display: block;
  background: #0a2540; /* Bleu nuit */
  color: #ffffff;
  text-decoration: none;
  padding: 12px 18px;
  margin: 12px auto;
  border-radius: 10px;
  font-weight: 500;
  font-size: 1rem;
  transition: background 0.3s ease;
}

.popup-content .btn:hover {
  background: #133e6b;
}

.close-btn {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 1.4rem;
  color: #888;
  cursor: pointer;
  transition: color 0.2s ease;
}

.close-btn:hover {
  color: #000;
}

/* Animation d’entrée */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}





#devisBtn {
  background-color: #fff;          /* Blanc pur */
  color: #0a2540;                  /* Bleu foncé élégant */
  border: none;                   /* Pas de bordure */
  padding: 16px 36px;             /* Un peu plus large */
  font-size: 1.15rem;             /* Taille un peu plus grande */
  font-weight: 700;               /* Gras */
  border-radius: 30px;            /* Bords très arrondis style "pill" */
  cursor: pointer;
  box-shadow: 0 6px 15px rgba(10, 37, 64, 0.12); /* Ombre douce */
  transition: all 0.35s ease;
  text-decoration: none;
  display: inline-block;
  user-select: none;
}

#devisBtn:hover,
#devisBtn:focus {
  background-color: #0a2540;      /* Bleu foncé au survol */
  color: #fff;                    /* Texte blanc */
  box-shadow: 0 10px 20px rgba(10, 37, 64, 0.3); /* Ombre plus marquée */
  outline: none;
  transform: translateY(-2px);    /* Légère remontée au survol */
}







.nos-realisations {
  background-color: #fff; /* fond blanc pour démarquer la section */
  padding: 40px 20px; /* espace interne */
  border-radius: 8px; /* coins arrondis */
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); /* ombre légère */
  max-width: 1200px;
  margin: 40px auto;
}

.nos-realisations h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: #222;
  text-align: center;
  margin-bottom: 30px;
}

.nos-realisations .images-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px; /* espace entre les images */
  justify-content: center;
}

.nos-realisations .images-container img {
  width: 280px;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.nos-realisations .images-container img:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}