.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-vert-foret);
  border-bottom: var(--border-hairline);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 4.5rem;
  padding-block: var(--space-3);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-ivoire-chaud);
  flex-shrink: 0;
}

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

.site-header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-header__brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-ivoire-chaud);
}

.site-header__brand-subtitle {
  font-size: var(--text-caption-size);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-ivoire-chaud-muted);
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.3125rem;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.5rem;
  background: transparent;
  border: 1px solid var(--color-cuivre-vieilli);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-standard), border-color var(--transition-standard);
}

.site-header__toggle:hover,
.site-header__toggle:focus-visible {
  background-color: rgba(184, 115, 51, 0.15);
  border-color: var(--color-cuivre-vieilli-hover);
}

.site-header__toggle-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-cuivre-vieilli);
  border-radius: 1px;
  transition: transform var(--transition-standard), opacity var(--transition-standard);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(0.4375rem) 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(-0.4375rem) rotate(-45deg);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-item {
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  display: inline-block;
  padding: var(--space-2) 0;
  font-size: var(--text-small-size);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-ivoire-chaud);
  text-decoration: none;
  transition: color var(--transition-standard);
  white-space: nowrap;
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--color-cuivre-vieilli);
}

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

@media (max-width: 63.999rem) {
  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    padding: var(--space-5);
    background-color: var(--color-vert-foret);
    border-bottom: var(--border-hairline);
    box-shadow: var(--shadow-deep);
    max-height: calc(100vh - 4.5rem);
    overflow-y: auto;
    display: none;
  }

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

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-header__nav-item {
    border-bottom: 1px solid rgba(184, 115, 51, 0.2);
  }

  .site-header__nav-link {
    display: block;
    padding: var(--space-3) 0;
    font-size: var(--text-body-size);
  }

  .site-header__cta {
    align-self: flex-start;
  }
}

@media (min-width: 64rem) {
  .site-header__inner {
    min-height: 5rem;
  }

  .site-header__logo {
    width: 3.5rem;
    height: 3.5rem;
  }

  .site-header__brand-name {
    font-size: 1.5rem;
  }
}