.section-background {
  background-size: cover;
  background-position: center;
  height: 500px;
  margin-bottom: 20px;
}

.content-img {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 32px;
  padding: 10px 50px 0 50px;
}

.content-text, .content-text2 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 32px;
  padding: 0px 50px 0 50px;
}

.image-pres {
  display: flex;
  flex-direction: column;
  justify-content: center;
  grid-column: 3 / span 8;
}

.btn-arriere-container {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 32px;
  margin-bottom: 20px;
  margin-top: 80px;
  padding: 0 50px;
}

/* Bouton retour avec carré avant */
.btn-arriere {
  position: relative;
  display: flex;
  flex-direction: column;
  color: black;
  text-decoration: none;
  grid-column: 1 / span 2;
  font-family: "georgiapro", serif;
  font-size: 16px;
  font-weight: 500;
  padding-left: 20px; /* pour ne pas coller le texte au carré */
}

.btn-arriere::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background-color: #58709A; /* même bleu que les autres éléments */
}

.section1{
    display: flex;
  flex-direction: column;
  justify-content: center;
  grid-column: 4 / span 6;
}

.section1 h2{
    text-align: center;
    margin-bottom:20px;
    margin-top:80px;
    font-family: "georgiapro", sans-serif;
    font-size: 36px;
}

.section1 p{
    font-family: "georgiapro", sans-serif;
    font-size: 16px;
}

.video-pres {
    grid-column: 3 / span 8;
    margin-top: 30px;
}

.video-pres video {
    width: 100%;
    height: auto;
}



/* Grille parent pour le slider */
.slider-grid-container {
    margin-top:80px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
  padding: 0 50px;
  margin-bottom: 40px;
}

/* Le slider occupe toute la largeur */
.slider-wrapper {
  position: relative;
  grid-column: 1 / span 12;
}

/* Flèches en haut à droite */
.slider-nav {
  position: absolute;
  top: -30px;
  right: 0;
  display: flex;
  gap: 10px;
}

.slider-nav button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 35px;       /* largeur fixe */
  height: 35px;      /* hauteur fixe */
  padding: 0;        /* on supprime le padding pour centrer proprement */
  border: 1px solid #000;
  background-color: #fff;
  cursor: pointer;
}

.slider-nav button img {
  width: 9px;       /* taille de l’icône */
  height: 14px;
  display: block;
  object-fit: contain;
}





.galerie-projets {
  column-count: 3; /* ou 4 selon la largeur de ton site */
  column-gap: 20px;
  padding: 0 50px;
  margin-top:80px;
}

.galerie-item {
  break-inside: avoid;
  margin-bottom: 20px;
  width: 100%;
  position: relative;
}

.galerie-item img {
  width: 100%;
  height: auto; /* on laisse auto pour respecter les proportions */
  object-fit: cover;
  display: block;
  position: relative;
}

/* tailles personnalisées (optionnelles, selon ton besoin de contrôle précis) */
.taille-grande img {
  height: 543px;
}

.taille-petite img {
  height: 279px;
}

.wrapper-img7 img{
  height:578px;
}


/* ========================
   Responsive TABLETTE
   ======================== */
@media (max-width: 1024px) {
  .section-background {
    height: 450px;
  }

  .btn-arriere-container {
    grid-template-columns: repeat(12, 1fr);
    padding: 0 30px;
    gap: 24px;
  }

  .btn-arriere {
    font-size: 15px;
    grid-column: 1/span 3;
  }

  .content-img,
  .content-text {
    grid-template-columns: repeat(12, 1fr);
    padding: 0 30px;
    gap: 24px;
  }

  .image-pres,
  .video-pres {
    grid-column: 2 / span 10;
  }

  .section1 {
    grid-column: 3 / span 8;
  }

  .section1 h2 {
    font-size: 30px;
    margin-top: 60px;
  }

  .galerie-projets {
    column-count: 2;
    column-gap: 16px;
    padding: 0 30px;
  }

  .taille-grande img {
    height: 440px;
  }

  .taille-petite img {
    height: 240px;
  }

  .wrapper-img7 img {
    height: 480px;
  }

  .slider-grid-container {
    padding: 0 30px;
  }

  .slider-nav {
    top: -26px;
  }
}


/* ========================
   Responsive MOBILE
   ======================== */
@media (max-width: 768px) {
  .section-background {
    height: 350px;
    margin-bottom:0;
  }

  .btn-arriere-container {
    display: flex;
    justify-content: center;
    padding: 0 20px;
    margin-bottom: 30px;
  }

  .btn-arriere {
    font-size: 14px;
    padding-left: 16px;
  }

  .btn-arriere::before {
    width: 6px;
    height: 6px;
  }

  .content-img,
  .content-text {
    display: flex;
    flex-direction: column;
    padding: 0 20px;
    gap: 20px;
  }

  .image-pres,
  .video-pres {
    grid-column: auto;
    width: 100%;
  }

  .section1 {
    grid-column: auto;
    width: 100%;
  }

  .section1 h2 {
    font-size: 26px;
    margin-top: 40px;
    text-align: center;
  }

  .section1 p {
    font-size: 15px;
    line-height: 1.5;
    text-align: justify;
  }

  .galerie-projets {
    column-count: 1;
    padding: 0 20px;
  }

  .taille-grande img,
  .taille-petite img,
  .wrapper-img7 img {
    height: auto;
  }

  .slider-grid-container {
    padding: 0 20px;
    margin-top: 60px;
  }

  .slider-nav {
    top: -24px;
    right: 0;
  }

  .slider-nav button {
    width: 30px;
    height: 30px;
  }

  .slider-nav button img {
    width: 8px;
    height: 12px;
  }
}


/* ========================
   Responsive MOBILE PETIT
   ======================== */
@media (max-width: 480px) {
  .section1 h2 {
    font-size: 22px;
  }

  .btn-arriere-container{
    margin-bottom:0px;
  }
  .btn-arriere-container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 32px;
    padding: 0 50px;
  }

  /* Bouton retour avec carré avant */
  .btn-arriere {
    position: relative;
    display: flex;
    flex-direction: column;
    color: black;
    text-decoration: none;
    grid-column: 1 / span 5;
    font-family: "georgiapro", serif;
    font-size: 14px;
    font-weight: 500;
    padding-left: 20px; /* pour ne pas coller le texte au carré */
  }

  .section1 p {
    font-size: 14px;
  }

  .btn-arriere {
    font-size: 14px;
  }

  .slider-nav {
    top: -20px;
  }

  .slider-nav button {
    width: 26px;
    height: 26px;
  }

  .slider-nav button img {
    width: 7px;
    height: 11px;
  }
}