header[role="banner"] {
  flex-shrink: 0;
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--spacing) calc(var(--spacing) * 2);
  z-index: 1000;
  background-color: var(--c-bodybg);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
  background-color: var(--c-bodybg);
}

header .site__logo a {
  display: inline-block;
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

header .site__logo a:hover {
  transform: scale(1.05) rotate(-2deg);
}

header .site__logo a:active {
  transform: scale(0.98) rotate(0deg);
  transition-duration: 0.1s;
}

._dodocLogo {
  --color1: var(--c-bleuvert);
  --color2: var(--c-orange);
  width: 120px;
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

._dodocLogo:hover {
  --color1: var(--c-orange);
  --color2: var(--c-bleuvert);
}

header nav {
  max-height: 0;
  overflow: hidden;
  margin: 0;
  padding-left: 0;
  padding-right: 0;
  width: 100%;
  font-weight: 700;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

header nav.active {
  max-height: 100vh;
  margin-top: 10px;
  overflow: auto;
}

header nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

header nav ul li {
  width: 100%;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.35s ease,
    transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

header nav.active ul li {
  opacity: 1;
  transform: translateY(0);
}

header nav.active ul li:nth-child(1) {
  transition-delay: 0.05s;
}
header nav.active ul li:nth-child(2) {
  transition-delay: 0.1s;
}
header nav.active ul li:nth-child(3) {
  transition-delay: 0.15s;
}
header nav.active ul li:nth-child(4) {
  transition-delay: 0.2s;
}
header nav.active ul li:nth-child(5) {
  transition-delay: 0.25s;
}
header nav.active ul li:nth-child(6) {
  transition-delay: 0.3s;
}

header nav ul li a {
  display: inline-block;
  color: var(--c-text);
  text-decoration: none;
  padding: 6px 0;
  transition: color 0.25s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

header nav ul li a:hover {
  color: var(--c-accent);
}

header nav ul li.active a {
  color: var(--c-accent);
  text-decoration: underline;
  text-decoration-thickness: var(--link-underline-thickness);
  text-underline-offset: var(--link-underline-offset);
}

header .mobile__menu_btn {
  display: block;
  position: absolute;
  right: 25px;
  top: 25px;
  cursor: pointer;
  height: 24px;
  width: 24px;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

header .mobile__menu_btn:hover {
  transform: scale(1.12);
}

header .mobile__menu_btn:active {
  transform: scale(0.92);
}

header .mobile__menu_btn span {
  display: block;
  background: var(--c-text);
  height: 2px;
  width: 26px;
  position: absolute;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

header .mobile__menu_btn span:nth-child(1) {
  top: 0px;
}

header .mobile__menu_btn span:nth-child(2) {
  top: 8px;
}

header .mobile__menu_btn span:nth-child(3) {
  top: 16px;
}

header .mobile__menu_btn .transparent {
  opacity: 0;
  transform: scaleX(0);
}

header .mobile__menu_btn .rotate-top {
  -ms-transform: rotate(45deg);
  transform: rotatez(45deg);
  -webkit-transform-origin: 0%;
  left: 2px;
  background: var(--c-accent);
}

header .mobile__menu_btn .rotate-bottom {
  -ms-transform: rotate(-45deg);
  transform: rotatez(-45deg);
  -webkit-transform-origin: 15%;
  background: var(--c-accent);
}

/* sm size */
@media only screen and (min-width: 48em) {
  header {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 15px 30px;
  }

  header .mobile__menu_btn {
    display: none;
  }

  header nav {
    width: auto;
    flex: 1;
    max-height: none;
    margin-top: 0;
    overflow: visible;
  }

  header nav ul {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: calc(var(--spacing) * 2);
    justify-content: flex-end;
    align-items: center;
  }

  header nav ul li {
    width: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    opacity: 1;
    transform: none;
    transition: none;
  }

  header nav ul li a {
    padding: 4px 0;
    transform: none;
  }

  header nav ul li a:hover {
    color: var(--c-accent);
  }
}

@media (prefers-reduced-motion: reduce) {
  header .site__logo a,
  header nav ul li,
  header nav ul li a,
  header .mobile__menu_btn,
  header .mobile__menu_btn span {
    transition: none;
    animation: none !important;
  }

  header nav.active ul li {
    transition: none;
  }

  header nav ul li a:hover {
    transform: none;
  }
}