.site-header {
  position: relative;
  z-index: 100;
  width: 100%;
  border-bottom: 1px solid var(--color-line-mist);
  background: rgba(253, 251, 247, 0.97);
}

.site-header__inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  gap: var(--space-5);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-slate);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__brand:hover {
  color: var(--color-ocean-teal);
}

.site-header__logo {
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 2.5rem;
  object-fit: contain;
}

.site-header__navigation {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
}

.site-header__nav-list {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.site-header__nav-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding: 0.5rem 0.625rem;
  color: var(--color-slate);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__nav-link:hover,
.site-header__nav-link[aria-current="page"] {
  color: var(--color-ocean-teal);
  text-decoration: underline;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.26em;
}

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

.site-header__nav-item--mobile,
.nav-toggle {
  display: none;
}

@media (max-width: 68rem) {
  .site-header__inner {
    min-height: 4.25rem;
    justify-content: space-between;
    gap: var(--space-3);
  }

  .site-header__brand {
    font-size: 1.0625rem;
  }

  .site-header__logo {
    width: 2rem;
    height: 2rem;
    flex-basis: 2rem;
  }

  .nav-toggle {
    display: inline-flex;
    width: 2.75rem;
    min-width: 2.75rem;
    height: 2.75rem;
    min-height: 2.75rem;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.5rem;
    border: 1px solid var(--color-line-mist);
    border-radius: var(--radius-md);
    background: var(--color-card-white);
    color: var(--color-slate);
  }

  .nav-toggle:hover {
    border-color: var(--color-ocean-teal);
    background: var(--color-seafoam);
  }

  .nav-toggle__line {
    display: block;
    width: 1.25rem;
    height: 0.125rem;
    border-radius: 999px;
    background: currentColor;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
    transform: translateY(0.425rem) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3) {
    transform: translateY(-0.425rem) rotate(-45deg);
  }

  .site-header__navigation {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: max(1rem, calc((100vw - var(--container-width)) / 2));
    left: max(1rem, calc((100vw - var(--container-width)) / 2));
    display: none;
    max-height: calc(100vh - 5.25rem);
    overflow-y: auto;
    align-items: stretch;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-4);
    border: var(--border-default);
    border-radius: var(--radius-lg);
    background: var(--color-card-white);
    box-shadow: var(--shadow-card-hover);
  }

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

  .site-header__nav-list {
    align-items: stretch;
    flex-direction: column;
    gap: 0.125rem;
  }

  .site-header__nav-item--mobile {
    display: block;
  }

  .site-header__nav-link {
    width: 100%;
    min-height: 2.75rem;
    padding-inline: var(--space-3);
    border-radius: var(--radius-md);
  }

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

  .site-header__download {
    width: 100%;
  }
}

@media (max-width: 29rem) {
  .site-header__brand {
    gap: var(--space-2);
    font-size: 1rem;
  }

  .site-header__brand-text {
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

ul {
  list-style: none !important;
}

.nav-toggle {
  flex-direction: column;
}