nav {
  z-index: 500;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  top: 0;
  left: 0;
  margin: 0.3vw 3vw;
  position: fixed;
  width: calc(100vw - 6vw);
  background: rgba(var(--gray-06), 0.1);
  backdrop-filter: blur(0.5vw);
  border-radius: 2vw;
  transition-duration: 0.2s;
}

nav:hover {
  background: rgba(var(--gray-06), 0.5);
  backdrop-filter: blur(1.5vw);
}

nav p {
  pointer-events: none;
}

/* partie logo */
.logo {
  padding: 0.3vw 1vw;
  display: flex;
  justify-content: center;
  align-items: center;
}
.logo img {
  height: 4vw;
  display: flex;
  margin: 0;
  padding: 0;
}

.logo img:first-child {
  margin-right: 1vw;
}

/* partie sélection pages */
.pannel {
  padding: 0vw 0vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pannel .home {
  font-weight: var(--regular);
  font-size: 1.5vw;
  padding-right: 2.5vw;
}

/* texte que l'on voit sans passer dessus */
.pannel .option {
  pointer-events: all;
  cursor: pointer;
  font-weight: var(--regular);
  font-size: 1.5vw;
  padding-right: 2.5vw;
}

.pannel .selection {
  position: relative;
  padding: 2vw 0;
}
/***************/
/* underpannel */
/***************/
.pannel .underpannel {
  font-weight: var(--light);
  font-size: 1.7vw;
  opacity: 0%;
  position: absolute;
  top: max(-100vh, -100vw);
  width: 15vw;
  padding: 1vw;
  background: rgb(var(--gray-01));
  border-radius: 1vw;
  transition-property: opacity, font-size;
  transition-duration: 0s, 0s;
}

.pannel .selection:hover > .underpannel {
  opacity: 100%;
  top: 5.5vw;
  right: -2.5vw;
  transition-property: opacity, font-size;
  transition-duration: 0.2s, 0s;
}

.underpannel span {
  position: relative;
  /* utile pour les > */
  padding: 0.5vw 0;
  position: sticky;
}

.underpannel span a {
  height: auto;
}

.underpannel span a p {
  position: relative;
  height: auto;
}

.underpannel span a p:after {
  content: ">";
  color: rgb(var(--darkest));
  position: absolute;
  top: 0vw;
  left: 14.2vw;
  opacity: 0%;
  transition: 0.5s;
  margin: 0;
  padding: 0;
}

.underpannel span:first-child a p::after {
  content: ">";
  top: 0vw;
}

.underpannel span a:hover p:after {
  opacity: 100%;
  color: rgb(var(--blue-matte));
}

.underpannel span a p {
  width: 14vw;
  margin: 1vw 0;
  padding: 0.1vw 0;
  color: rgb(var(--darkest));
  transition-duration: 0.2s;
}

.underpannel span a:hover > p {
  padding-left: 0.2vw;
  color: rgb(var(--blue-matte));
  transition: 0.2s;
}

/* pour mobiles */
.burger {
  margin: auto 1vw;
  padding: 1vw;
  display: none;
  aspect-ratio: 1/1;
  height: 0;
  align-items: center;
  flex-direction: column;
}

.burger span {
  margin: auto;
  position: relative;
  background-color: rgba(var(--gray-01), 0.2);
  backdrop-filter: invert(100%);
  border-radius: 1vw;
  width: 100%;
  height: 15%;
}

@media screen and (max-width: 1215px) and (min-width: 981px) {
  nav .logo {
    width: 100%;
  }
  nav .logo a img {
    margin: 0 5vw;
  }
  nav .pannel {
    margin: 0;
    padding: 0 20vw;
    width: 100%;
  }

  .pannel .underpannel {
    opacity: 0%;
    top: -50vw;
    right: -5vw;
  }

  .pannel .selection:hover > .underpannel {
    top: 5.5vw;
  }

  .pannel a .option {
    font-size: 2vw;
  }
  .pannel a .option::after {
    font-size: 2vw;
  }

  .pannel .underpannel {
    width: 18vw;
  }

  .pannel .underpannel a p {
    width: 15.7vw;
    font-size: 2vw;
  }
  .pannel .underpannel a p::after {
    font-size: 2vw;
    left: 16.5vw;
  }
}

@media only screen and (max-width: 980px) {
  nav {
    position: fixed;
    top: 0;
    left: 0;
    margin: 0;
    width: 100%;
    border: none;
    border-radius: 0vw;
    z-index: 9999;
  }

  nav .logo a img {
    height: 4vh;
    margin: 0 2vw 0 0.5vw;
  }

  .pannel {
    padding-top: 7vw;
    background-color: rgb(var(--gray-02));
    right: -100%;
    width: 40vw; /*taille de la fenêtre*/
    height: 100vh;
    margin: 0;
    position: absolute;
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
    align-items: center;
    transition: right 0.5s;
  }

  .burger {
    z-index: 100;
    height: 4vh;
    display: flex;
    cursor: pointer;
  }

  .pannel.mobile-pannel {
    right: 0%;
    transition: right 0.2s;
  }
  .pannel .option {
    margin: 0.5vw auto;
    width: 30vw;
    text-align: center;
  }

  /* underpannel */
  .pannel .underpannel {
    font-weight: var(--light);
    font-size: 0vw;
    opacity: 0%;
    position: absolute;
    top: -100vw;
    right: -30vw;
    width: calc(20vw + 5vh);
    /* padding: 1vw; */
    background: rgb(var(--gray-01));
    border-radius: 2vw;
    transition: all 0s;
  }

  .pannel .selection:hover > .underpannel {
    opacity: 100%;
    right: 36vw;
    top: -50%;
  }

  .pannel .option {
    font-size: 2vh;
  }
  .pannel .home {
    margin-top: max(5vh, 5vw);
    font-size: 2vh;
  }

  .pannel .selection {
    width: 100%;
    padding: 1vw;
  }

  .pannel .option::after {
    font-size: 2vw;
  }

  .pannel .underpannel a p {
    width: 20vw;
    font-size: 2vh;
  }
  .pannel .underpannel a p::after {
    padding: 0;
    margin: 0;
    font-size: 2.5vh;
    left: calc(20vw + 4vh);
  }
}