nouveau-theatre-de-besancon/assets/css/src/nav.css

@keyframes scroll-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(0px - ((100% / 3) - var(--space-m) / 1.6)));
  }
}

.info-banner {
  overflow: hidden;
  white-space: nowrap;
  border-bottom: var(--border);
}

.info-banner ul {
  box-sizing: border-box;
  padding: 1rem var(--space-m);
  background-color: var(--color-mint);
  display: inline-block;
  animation: scroll-left 12s linear infinite;
}

.info-banner li {
  display: inline-block;
  padding-right: 6vw;
  font-size: var(--font-size-s);
}

.main-header {
  position: sticky;
  top: 0;
  background-color: #fff;
  z-index: 3;
}
/* Nav */

/* Expanded nav */

.expanded-nav {
  position: fixed;
  width: 100%;
  box-sizing: border-box;
  top: -34rem;
  z-index: 4;
  background-color: var(--color-brown-light);
  display: grid;
  grid-template-columns: 2fr 8fr 1fr;
  transition: top 0.4s var(--curve-quick-slow);
  padding: 3rem var(--space-m) 3rem 1rem;
  border-bottom: var(--border);
}
.expanded-nav.open {
  top: 0rem;
}

.expanded-nav__logo-link {
  height: fit-content;
}

.expanded-nav__columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  row-gap: 6rem;
}

.expanded-nav__category {
  margin-bottom: 1rem;
}
.expanded-nav__subcategory {
  font-size: var(--font-size-s);
}

.expanded-nav__ticketing a {
  display: flex;
  align-items: center;
}

.expanded-nav__links {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.expanded-nav__links .social-icons {
  margin-top: 1rem;
}

/* Header */

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: var(--border);
  padding: 1rem;
  padding-right: var(--space-m);
}

.main-nav__right {
  display: flex;
  align-items: center;
}

.main-nav__featured-pages {
  display: flex;
}

.main-nav__right > *:not(:last-child),
.main-nav__featured-pages li:not(:last-child) {
  margin-right: 2.69rem;
}

.main-nav .burger-btn {
  position: relative;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-nav .burger-btn__line,
.main-nav .burger-btn__line::before,
.main-nav .burger-btn__line::after {
  content: "";
  width: 100%;
  height: 3px;
  background-color: #000;
  position: absolute;
}

.main-nav .burger-btn__line::before {
  transform: translateY(-0.5rem);
}

.main-nav .burger-btn__line::after {
  transform: translateY(0.5rem);
}

/* Main nav small */
.main-nav--small .logo {
  font-size: var(--font-size-m);
}
.main-nav .logo > * {
  height: 1.8ch;
  max-width: 10rem;
  overflow: hidden;
  transition: all 0.5s var(--curve-quick);
}

.main-nav--small .logo > *:not(:first-child) {
  margin-left: 1.25ch;
}

.main-nav--small .logo > * {
  max-width: 1ch;
}
.main-nav--small .logo > *:nth-child(2) {
  max-width: 0.9ch;
}

/* Logo hover */
.main-nav .logo {
  transition: scale 0.5s var(--curve-quick);
}
.main-nav .logo:hover {
  scale: 1.035;
}