body {
  font-family: 'Montserrat', sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f5f5;
  color: #333;
}
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(90deg, #e63946, #1d3557);
  padding: 15px 30px;
}
.logo {
  width: 120px;
}
nav a {
  color: #fff;
  margin: 0 15px;
  text-decoration: none;
  font-weight: 600;
}
.banner {
  background: linear-gradient(90deg, #1d3557, #e63946);
  color: #fff;
  text-align: center;
  padding: 100px 20px;
}
.banner-text h1 span {
  color: #ff9f1c;
}
.services, .realisations, .contact {
  background: #1d1d1d;   /* fond sombre */
  color: #fff;           /* texte blanc */
  text-align: center;    /* contenu centré */
  padding: 60px 20px;    /* espace autour */
}

.services h2, .realisations h2, .contact h2 {
  color: #ff9f1c;        /* titres en orange vif */
  margin-bottom: 30px;
}

.services .cards, .realisations .gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center; /* cartes centrées */
}

.services .card, .realisations .item {
  background: #2a2a2a;   /* gris foncé pour contraste */
  margin: 15px;
  padding: 20px;
  width: 250px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.4);
}
.realisations {
  background: #1d1d1d;
  color: #fff;
  text-align: center;
  padding: 60px 20px;
  position: relative;
}

.carousel {
  display: flex;
  overflow: hidden;
  width: 80%;
  margin: 0 auto;
}

.slide {
  min-width: 100%;
  transition: transform 0.5s ease-in-out;
}

.slide img {
  width: 100%;
  border-radius: 8px;
}

.prev, .next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #ff9f1c;
  border: none;
  padding: 10px;
  cursor: pointer;
  font-size: 20px;
  color: #fff;
  border-radius: 50%;
}

.prev { left: 20px; }
.next { right: 20px; }
.btn {
  background: #ff9f1c;
  color: #fff;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
}
.categories {
  display: flex;
  justify-content: space-around;
  text-align: center;
  padding: 20px;
}
.cat {
  flex: 1;
  padding: 15px;
  color: #fff;
  font-weight: bold;
}
.orange { background: #e63946; }
.gray { background: #6c757d; }
.red { background: #d62828; }
.blue { background: #1d3557; }
.services {
  padding: 40px;
  text-align: center;
}
.cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.card {
  background: #fff;
  margin: 15px;
  padding: 20px;
  width: 250px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.card img {
  width: 100%;
  border-radius: 8px;
}
.choisir ul {
  list-style: none;
  padding: 0;
  text-align: center;
}
.choisir li {
  margin: 10px 0;
  font-weight: 600;
}
.contact {
  background: #1d3557;
  color: #fff;
  text-align: center;
  padding: 30px;
}
footer {
  background: #000;
  color: #fff;
  text-align: center;
  padding: 10px;
}