body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(62, 42, 30, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--menu-duration) var(--menu-ease);
}

body.menu-open::before {
  opacity: 1;
  pointer-events: auto;
}

.site-header {
  position: relative;
  z-index: 100;
  background: var(--color-ivory);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.5rem;
  padding-block: 0.5rem;
  min-height: var(--header-height);
}

@media (min-width: 64rem) {
  .site-header__inner {
    height: var(--header-height);
    padding-block: 0;
  }
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.55rem;
  background: transparent;
  border: 0;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-espresso);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
}
.nav-toggle:hover .nav-toggle__bar { background: var(--color-coffee); }
.nav-toggle.is-active .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle.is-active .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.brand {
  order: 1;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--color-espresso);
}
.brand__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.brand__logo:hover { transform: scale(1.04); }
.brand__logo img {
  width: auto;
  height: 5.5rem;
  max-width: 12rem;
  object-fit: contain;
}

@media (min-width: 48rem) {
  .brand__logo img {
    height: calc(var(--header-height) - 1rem);
    max-width: 14rem;
  }
}

.nav {
  order: 2;
  flex: 1;
  display: flex;
  justify-content: center;
}
.nav__inner {
  width: 100%;
  display: flex;
  justify-content: center;
}
.nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1.75rem;
}
.nav__link {
  display: block;
  white-space: nowrap;
  padding: 0.4rem 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-espresso);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.nav__link:hover {
  color: var(--color-coffee);
  border-bottom-color: var(--color-tan);
}
.nav__link.is-active {
  color: var(--color-coffee);
  border-bottom-color: var(--color-gold);
}
.nav__link[target="_blank"]::after {
  content: "\2197";
  display: inline-block;
  margin-left: 0.3em;
  font-size: 0.75em;
  color: var(--color-bronze);
  transform: translateY(-0.1em);
}

@media (max-width: 63.99rem) {
  body.menu-open { overflow: hidden; }

  .site-header__inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    min-height: 0;
    padding-block: 0.75rem;
  }

  .nav-toggle {
    display: flex;
    grid-column: 1;
    order: initial;
  }

  .brand {
    grid-column: 2;
    justify-self: center;
    order: initial;
    transition: opacity var(--menu-duration) var(--menu-ease),
                visibility 0s 0s,
                transform var(--menu-duration) var(--menu-ease);
  }

  .brand__logo img {
    height: 4.5rem;
    max-width: 12rem;
  }

  .site-header__inner.is-open .brand {
    opacity: 0;
    visibility: hidden;
    transform: scale(0.85);
    pointer-events: none;
    transition: opacity var(--menu-duration) var(--menu-ease),
                visibility 0s var(--menu-duration),
                transform var(--menu-duration) var(--menu-ease);
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: auto;
    flex: initial;
    display: block;
    order: initial;
    justify-content: initial;
    background: var(--color-ivory);
    border-top: 1px solid var(--color-tan);
    border-bottom: 3px solid var(--color-gold);
    box-shadow: 0 18px 40px rgba(62, 42, 30, 0.22);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    pointer-events: none;
    transition: opacity var(--menu-duration) var(--menu-ease),
                transform var(--menu-duration) var(--menu-ease),
                visibility 0s var(--menu-duration);
  }

  .site-header__inner.is-open .nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    transition: opacity var(--menu-duration) var(--menu-ease),
                transform var(--menu-duration) var(--menu-ease),
                visibility 0s 0s;
  }

  .nav__inner {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding-inline: var(--space-gutter);
    padding-block: 0.5rem 1.25rem;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 0;
    width: 100%;
  }

  .nav__link {
    width: 100%;
    padding: 0.9rem 1rem;
    text-align: center;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-tan);
    border-radius: 0;
  }

  .nav__link:last-child { border-bottom: 0; }
  .nav__link.is-active { border-bottom-color: var(--color-gold); }
}