.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-ligne-plan);
  background: var(--color-craie-blanche);
}

.site-header__ticker {
  overflow: hidden;
  border-bottom: 1px solid var(--color-ligne-plan);
  color: var(--color-encre-gris);
  font-size: var(--text-annotation);
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__ticker-track {
  width: max-content;
  padding: 0.5rem max(1.25rem, calc((100vw - var(--container-max)) / 2));
}

.site-header__ticker-track span {
  margin-inline: 0.45rem;
  color: var(--color-bleu-klein);
}

.site-header__main {
  position: relative;
  background-image: linear-gradient(90deg, transparent calc(100% - 1px), rgba(201, 193, 180, 0.4) calc(100% - 1px));
  background-size: 8rem 100%;
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.25rem;
  min-height: 5.25rem;
}

.site-header__brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-brun-cacao);
  text-decoration: none;
}

.site-header__logo {
  width: 3rem;
  height: 3rem;
  flex: 0 0 3rem;
  object-fit: contain;
}

.site-header__brand-copy {
  display: grid;
  min-width: 0;
  gap: 0.18rem;
}

.site-header__brand-name {
  font-size: 0.81rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.1;
  white-space: nowrap;
}

.site-header__brand-subtitle {
  max-width: 15rem;
  color: var(--color-encre-gris);
  font-size: 0.57rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.25;
}

.site-header__nav {
  min-width: 0;
}

.site-header__nav-list {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav-list li,
.site-header__nav-list li + li {
  display: flex;
  margin: 0;
  padding: 0;
}

.site-header__nav-list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-brun-cacao);
  font-size: 0.71rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__nav-list a::after {
  position: absolute;
  right: 0;
  bottom: 0.45rem;
  left: 0;
  height: 1px;
  background: var(--color-bleu-klein);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.site-header__nav-list a:hover::after,
.site-header__nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-header__cta {
  flex: 0 0 auto;
  white-space: nowrap;
}

.site-header__toggle {
  display: none;
  width: 2.75rem;
  padding: 0.6rem;
  border: 1px solid var(--color-brun-cacao);
  background: transparent;
  color: var(--color-brun-cacao);
}

.site-header__toggle-line {
  display: block;
  width: 100%;
  height: 1px;
  margin: 0.16rem 0;
  background: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(0.33rem) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) {
  transform: translateY(-0.33rem) rotate(-45deg);
}

@media (max-width: 72rem) {
  .site-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .site-header__toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 1;
    display: none;
    width: min(27rem, 100vw);
    max-height: calc(100vh - 5rem);
    overflow-y: auto;
    border: 1px solid var(--color-brun-cacao);
    border-right: 0;
    background: var(--color-craie-blanche);
    box-shadow: var(--shadow-floating);
  }

  .site-header__nav.is-open {
    display: block;
  }

  .site-header__nav-list {
    display: grid;
    justify-content: stretch;
    gap: 0;
    padding: 1rem 1.25rem;
  }

  .site-header__nav-list a {
    width: 100%;
    min-height: 3rem;
    border-bottom: 1px solid var(--color-ligne-plan);
    font-size: 0.78rem;
  }

  .site-header__nav-list li:last-child a {
    border-bottom: 0;
  }
}

@media (max-width: 48rem) {
  .site-header__inner {
    gap: 0.75rem;
    min-height: 4.5rem;
  }

  .site-header__logo {
    width: 2.5rem;
    height: 2.5rem;
    flex-basis: 2.5rem;
  }

  .site-header__brand {
    gap: 0.55rem;
  }

  .site-header__brand-name {
    font-size: 0.72rem;
  }

  .site-header__brand-subtitle {
    display: none;
  }

  .site-header__cta {
    display: none;
  }

  .site-header__nav {
    width: min(22rem, 100vw);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__nav-list a::after,
  .site-header__toggle-line {
    transition: none;
  }
}