html,
body {
  overflow-x: hidden;
  /* bloque le scroll horizontal */
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}


body {
  -ms-overflow-style: none;
  /* IE & Edge */
  scrollbar-width: none;
  /* Firefox */
  background-color: #ffffff;
  font-family: 'Orbitron', sans-serif;
  color: #333;
  margin: 0;

}

/* Colonne gauche (logo) */
.header-left {
  flex: 1;
  display: flex;
  align-items: center;
}

/* Colonne centrale (menu) */
.header-center {
  flex: 2;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Colonne droite (bouton Connexion) */
.header-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}


.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 160px;
  padding: 0 3rem;
  background-color: #121212;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  font-family: 'Segoe UI', sans-serif;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
}

/* Image du logo */
.logo-img {
  height: 80%;
  max-height: 400px;
  object-fit: contain;
}

/* Menu de navigation */
.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}


.nav-links a {
  color: white;
  text-decoration: none;
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #00d1b2;
}



/* Bouton Connexion */
.login-button {
  padding: 0.6rem 1.2rem;
  background-color: #540886;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.login-button:hover {
  background-color: #a00070;
}

.banner {
  position: relative;
  width: 100%;
  height: 550px;
  /* comme ton exemple */
  overflow: hidden;
}

.banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(60%) contrast(1.1);
}

.banner-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  font-family: 'Orbitron', sans-serif;
}

.banner-text h2 {
  color: #ffffff;
  margin: 0;
  font-size: 3em;
  margin-bottom: 0.5rem;
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 1px;

}

.banner-text p {
  color: #dfdfdf;
  margin: 1rem 0 0;
  font-family: 'Segoe UI', sans-serif;
  font-size: 1.4rem;
}

.service-content {
  padding: 4rem 2rem;
  background: #ffffff;
  color: #000000;
  text-align: center;
  /* centre tout le contenu */
}

.section-title {
  font-family: "Orbitron", sans-serif;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.service-content p {
  font-family: "Segoe UI", sans-serif;
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  /* espace avant le bouton */
}

/* Bloc boutons */
.button-group {
  display: flex;
  justify-content: center;
  /* centre horizontalement */
  gap: 1rem;
  /* espace entre les boutons */
  margin-top: 1rem;
}


.service-btn {
  background-color: #0078af;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 6px;
  font-size: 1rem;
  color: #ffffff;
  cursor: pointer;
  transition: background 0.3s;
  text-decoration: none;
  font-family: 'Segoe UI', sans-serif;
}

.service-btn:hover {
  background-color: #000000;
}

.secondary-btn {
  background-color: #0078af;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 6px;
  font-size: 1rem;
  color: #ffffff;
  cursor: pointer;
  transition: background 0.3s;
  text-decoration: none;
  font-family: 'Segoe UI', sans-serif;
}

.secondary-btn:hover {
  background-color: #000000;
}

/* ========================= */
/* 🌐 Responsive Design */
/* ========================= */

/* --- Tablettes et petits écrans --- */
@media (max-width: 1024px) {
  .site-header {
    flex-direction: column;
    height: auto;
    text-align: center;
    padding: 1rem;
  }

  .logo-img {
    max-height: 120px;
    margin-bottom: 1rem;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }

  .header-right {
    margin-top: 1rem;
  }

  /* --- Smartphones --- */
  @media (max-width: 600px) {
    body {
      font-size: 0.9rem;
    }

    .site-header {
      padding: 1rem 0.5rem;
    }

    .logo-img {
      max-height: 300px;
    }

    .nav-links {
      flex-direction: column;
      gap: 0.5rem;
    }

    /* ======== MENU BURGER ======== */
    .menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: space-between;
      width: 28px;
      height: 20px;
      cursor: pointer;
    }

    .menu-toggle span {
      display: block;
      height: 3px;
      background-color: white;
      border-radius: 5px;
      transition: 0.3s ease;
    }

    /* Animation croix quand ouvert */
    .menu-toggle.active span:nth-child(1) {
      transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
      opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
      transform: rotate(-45deg) translate(6px, -6px);
    }


    /* --- Responsive (max 900px) --- */

    @media (max-width: 900px) {

      .site-header {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        height: auto;
        padding: 1rem;
        position: relative;
      }

      .logo-img {
        max-width: 300px;
        height: auto;
        margin: 10px auto;
      }

      .menu-toggle {
        display: flex;
        position: absolute;
        right: 20px;
        top: 25px;
        z-index: 1000;
        cursor: pointer;
      }

      .header-center {
        width: 100%;
      }

      /* ======= Menu caché par défaut ======= */
      .nav-links {
        display: none;
        flex-wrap: wrap;
        justify-content: center;
        background-color: #121212;
        width: 100%;
        text-align: center;
        padding: 1rem 0;
        border-top: 1px solid #333;
        gap: 1rem;
      }

      /* ======= Quand le menu est ouvert ======= */
      .nav-links.show {
        display: flex;
      }

      /* ✅ 3 liens par ligne bien centrés */
      .nav-links li {
        flex: 1 1 28%;
        min-width: 100px;
      }

      .nav-links a {
        display: inline-block;
        width: 100%;
        background-color: #1e1e1e;
        color: white;
        text-decoration: none;
        font-size: 0.95rem;
        padding: 0.8rem 0;
        border-radius: 8px;
        transition: background-color 0.3s ease;
      }

      .nav-links a:hover {
        background-color: #540886;
      }

      /* On centre le bouton connexion sous le menu */
      .header-right {
        display: none;
        margin-top: 1rem;
      }
    }

    .login-button {
      width: auto;
      /* pour ne pas étirer le bouton */
      padding: 0.6rem 1.2rem;
    }
  }
}