.header {
  height: 650px;
  width: 100%;
  background: rgb(0, 0, 0);
  position: relative;
}

.header_texture {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-image: linear-gradient(to bottom, rgb(43, 4, 80), rgb(5, 75, 75));
  background-size: cover;
  /*z-index: 1;*/
  opacity: 0.7;
}

.header_mask {
  position: absolute;
  bottom: 0;
  background: 0 0;
  width: 100%;
  height: 42px;
  /*z-index: 1;*/
}

.header_navbar {
  width: 100%;
  height: 100px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
}

.header_navbar_logo_titre {
  /* Welcome */
  color: blue;
  font-size: 28px;
}

.header_navbar_menu_link {
  /* Les 4 liens */
  margin-left: 40px;
  color: aqua;
  text-decoration: none;
  font-family: "Robot", sans-serif;
  opacity: 0.7;
  transition: 0.5s;
}

.header_navbar_menu_link:hover {
  opacity: 1;
}

.header_navbar_logo_intro {
  /* je suis ... */
  padding-left: 100px;
  color: blue;
  font-size: 28px;

  opacity: 0; /* Cacher initialement le titre */
  transition: opacity 2s ease, transform 1s ease;
  transform: translateX(50px);
}

.header_navbar_logo_name {
  /* Loic CLAUDE */
  padding-left: 150px;
  font-family: "Robot", sans-serif;
  color: rgb(51, 153, 212);
  font-size: 70px;
  margin-bottom: 0;
  letter-spacing: 2px;

  /* Transition gauche loic */
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 2s ease, transform 1s ease;
}
.header_navbar_logo_work {
  /* Metier */
  padding-left: 150px;
  margin: 0;
  color: blue;
  font-size: 38px;

  opacity: 0; /* Cacher initialement le titre */
  transition: opacity 1s ease; /* Transition d'opacité de 2 secondes */
}
/* desing bouton*/
.btn-get-started {
  display: inline-block;
  padding: 10px 20px;
  background-color: transparent;
  border: 2px solid #007bff;
  border-radius: 20px;
  color: #007bff;
  text-decoration: none;
  transition: background-color 0.4s, color 0.4s, box-shadow 0.4s,
    opacity 2s ease, transform 1s ease;
  margin-left: 150px;
  font-weight: bold;
  overflow: hidden;

  opacity: 0;
  transform: translateX(50px) translateY(-50px);
}

.btn-get-started:hover {
  background-color: #007bff;
  color: #fff;
  box-shadow: 0px 0px 60px 3px rgba(0, 123, 255, 0.5); /* Ajout de l'ombre lors du survol */
}

.btn-get-started::after {
  content: "";
  display: block;
  width: 180px;
  height: 19px;
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(130deg);
  position: absolute;
  left: 120px;
}

.btn-get-started::before {
  content: "";
  display: block;
  height: 9px;
  width: 100%;
  background: rgb(255, 255, 255, 0.2);
  transform: rotate(130deg);
  position: absolute;
  left: 120px;
}

.btn-get-started:hover.btn-get-started::before {
  animation: btnTrais-2 0.5s ease-in-out 0.3s;
}

.btn-get-started:hover.btn-get-started::after {
  animation: btnTrais 0.6s ease-in-out 0.3s;
}

@keyframes btnTrais {
  from {
    left: 210px;
  }
  to {
    left: -170px;
  }
}

@keyframes btnTrais-2 {
  from {
    left: 180px;
  }
  to {
    left: -170px;
  }
}

/* menu responsive*/
.header_navbar_toggle {
  width: 40px;
  height: 60px;
  display: flex;
  align-items: center;
  display: none;
  cursor: pointer;
}

.header_navbar_toggle_icons,
.header_navbar_toggle_icons:before,
.header_navbar_toggle_icons:after {
  content: "";
  display: block;
  width: 100%;
  height: 3px;
  border-radius: 5px;
  background-color: aqua;
  position: relative;
  transition: all 0.3s ease-in-out;
}

.header_navbar_toggle_icons:before {
  top: 10px;
}
.header_navbar_toggle_icons:after {
  top: -13px;
}

.is-open .header_navbar_menu {
  transform: translateX(0);
  opacity: 1;
  /*position: fixed;*/
  z-index: 997;
}

.header_navbar_toggle.is-open span.header_navbar_toggle_icons {
  background: transparent;
}

.header_navbar_toggle.is-open span.header_navbar_toggle_icons:before,
.header_navbar_toggle.is-open span.header_navbar_toggle_icons:after {
  transform-origin: center;
  position: absolute;
  transform: rotate(45deg);
  top: 0;
}

.header_navbar_toggle.is-open span.header_navbar_toggle_icons:before {
  position: absolute;
  transform: rotate(-45deg);
}

@media only screen and (max-width: 1000px) {
  .container {
    width: 100%;
    padding: 0 20px;
  }
  .header_navbar_toggle {
    display: flex;
    z-index: 1000;
  }
  .header_navbar_menu {
    transition: all 0.3s ease-in-out;
    transform: translateX(100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    width: 100vw;
    height: 100vh;
    background-color: rgb(9, 8, 26);
    top: 0;
    left: 0;
    position: fixed;

    /*
        opacity: 1;
        position: fixed; 
        overflow: hidden;*/
  }
  .header_navbar_menu_link {
    margin: 20px 0;
    font-size: 25px;
  }
  .header_navbar_logo_intro {
    /* je suis ... */
    padding-left: 20px;
    font-size: 20px;
  }
  .header_navbar_logo_name {
    font-size: 50px;
    padding-left: 50px;
  }
  .header_navbar_logo_work {
    font-size: 33px;
    padding-left: 50px;
  }
  .btn-get-started {
    margin-left: 120px;
  }
  .header {
    height: 750px;
  }
}

@media only screen and (max-width: 470px) {
  .header {
    height: 850px;
  }
}