.site-header {
  position: relative;
  z-index: 30;
}
.mega-nav > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
}
.mega-nav > summary::-webkit-details-marker {
  display: none;
}
.mega-nav[open] > summary {
  color: var(--wine);
}
.mega-nav[open] > summary svg {
  transform: rotate(180deg);
}
.mega-nav summary:focus-visible,
.site-header nav .mega-panel a:focus-visible {
  outline: 2px solid var(--wine);
  outline-offset: 4px;
}
.mega-panel {
  position: absolute;
  inset: 100% 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1.1fr;
  gap: 36px;
  padding: 32px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--wine);
  background: var(--paper, #f4f1e8);
  box-shadow: 0 24px 48px #241e1930;
  max-height: calc(100dvh - 160px);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.mega-nav:not([open]) .mega-panel {
  display: none;
}
.mega-column {
  min-width: 0;
}
.mega-label,
.mega-region-label {
  font:
    10px/1.5 Arial,
    sans-serif;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0 0 16px;
}
.mega-region-label {
  margin: 22px 0 6px;
}
.site-header nav .mega-panel a {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: 44px;
  text-decoration: none;
  border-radius: 3px;
}
.mega-column > a {
  gap: 6px;
  padding: 12px 0;
}
.mega-column > a + a {
  border-top: 1px solid var(--line);
}
.mega-panel strong {
  font: 500 21px/1.25 var(--display);
  color: var(--ink);
}
.mega-panel strong > span {
  float: right;
  font:
    16px Arial,
    sans-serif;
}
.mega-column > a > span,
.mega-feature-copy > span:last-child {
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}
.mega-column a:hover strong,
.mega-regions a:hover,
.mega-feature:hover strong {
  color: var(--wine);
}
.mega-regions {
  display: flex;
  flex-wrap: wrap;
  gap: 0 14px;
}
.site-header nav .mega-regions a {
  justify-content: center;
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.mega-feature {
  overflow: hidden;
  background: #e9e4d7;
}
.mega-feature img {
  display: block;
  width: 100%;
  aspect-ratio: 1.8;
  object-fit: cover;
}
.mega-feature-copy {
  display: grid;
  gap: 10px;
  padding: 20px;
}
.mega-feature-copy .mega-label {
  margin: 0;
}
@media (max-width: 900px) {
  .site-header nav {
    gap: 14px;
  }
  .mega-panel {
    gap: 24px;
    padding: 24px;
    grid-template-columns: 1fr 1fr;
  }
  .site-header nav .mega-feature {
    grid-column: 1 / -1;
    flex-direction: row;
  }
  .mega-feature img {
    width: 36%;
    max-height: 150px;
  }
  .mega-feature-copy {
    align-content: center;
  }
}
@media (max-width: 620px) {
  .site-header {
    height: auto;
    min-height: 142px;
    padding-block: 20px 12px;
    flex-wrap: wrap;
    gap: 14px;
  }
  .site-header .wordmark {
    width: 100%;
  }
  .site-header nav {
    width: 100%;
    justify-content: space-between;
    gap: 6px;
    flex-wrap: wrap;
  }
  .site-header nav > .cart-nav {
    display: inline-flex;
  }
  .site-header nav > .btn {
    padding-inline: 10px;
  }
  .mega-nav > summary {
    gap: 6px;
  }
  .mega-panel {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 22px;
    max-height: calc(100dvh - 205px);
  }
  .mega-column > a {
    padding-block: 14px;
  }
  .site-header nav .mega-feature {
    grid-column: auto;
    flex-direction: column;
  }
  .mega-feature img {
    width: 100%;
    max-height: none;
  }
  .mega-panel strong {
    font-size: 22px;
  }
}