.site-header {
  gap: 12px;
  padding: 6px clamp(12px, 3vw, 30px);
}

.brand {
  gap: 7px;
}

.brand img {
  width: 40px;
  height: 40px;
}

.brand span {
  font-size: 17px !important;
}

.top-nav {
  gap: 3px;
}

.top-nav a {
  padding: 5px 8px;
  font-size: .85rem;
}

.top-menu {
  position: relative;
  margin-left: auto;
}

.top-menu summary {
  display: grid;
  width: 40px;
  height: 36px;
  place-content: center;
  gap: 4px;
  border: 1px solid #c9d4cd;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  list-style: none;
}

.top-menu summary::-webkit-details-marker {
  display: none;
}

.top-menu summary span {
  display: block;
  width: 21px;
  height: 3px;
  border-radius: 2px;
  background: #174d37;
  transition: transform .18s ease, opacity .18s ease;
}

.top-menu[open] summary span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.top-menu[open] summary span:nth-child(2) {
  opacity: 0;
}

.top-menu[open] summary span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.top-menu .top-nav {
  position: absolute;
  top: calc(100% + 7px);
  right: 0;
  z-index: 30;
  display: grid;
  min-width: 165px;
  padding: 6px;
  border: 1px solid #d7e0da;
  border-radius: 10px;
  background: #fffaf2;
  box-shadow: 0 12px 30px #17231d35;
}

.top-menu .top-nav a {
  padding: 9px 11px;
}

.intro-band {
  min-height: 380px;
  padding-top: clamp(22px, 4vw, 42px);
  padding-bottom: clamp(22px, 4vw, 42px);
}

@media (max-width: 720px) {
  .site-header {
    align-items: center;
    flex-direction: row;
    gap: 6px;
    padding: 5px 8px;
  }

  .brand {
    flex: 0 0 auto;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .brand span {
    font-size: 14px !important;
  }

  .top-menu .top-nav { width: auto; }

  .top-menu .top-nav a { font-size: .82rem; }

  .intro-band {
    min-height: 285px;
    padding: 20px 14px;
  }
}
