.site-header {
  width: 100%;
  margin-inline: auto;
  transition:
    top 220ms ease-out,
    width 220ms ease-out,
    border-radius 220ms ease-out,
    box-shadow 220ms ease-out,
    padding 220ms ease-out;
}

.site-header.is-scrolled {
  top: 12px;
  width: min(calc(100% - 24px), calc(var(--wrap) + 60px));
  padding-inline: 30px;
  border: 2px solid transparent;
  border-radius: 18px;
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.99) 0%,
      rgba(250, 248, 242, 0.98) 55%,
      rgba(232, 242, 240, 0.98) 100%
    ) padding-box,
    linear-gradient(
      135deg,
      rgba(23, 50, 77, 0.44) 0%,
      rgba(20, 124, 131, 0.38) 58%,
      rgba(181, 104, 58, 0.3) 100%
    ) border-box;
  box-shadow:
    inset 0 0 0 1px rgba(23, 50, 77, 0.16),
    inset 0 0 12px rgba(23, 50, 77, 0.13),
    inset 0 0 28px rgba(20, 124, 131, 0.075),
    0 18px 40px rgba(23, 50, 77, 0.2);
}

.site-header.is-scrolled .secondary-nav {
  right: 30px;
}

@media (max-width: 1240px) {
  .site-header.is-scrolled {
    padding-inline: 20px;
  }
}

@media (max-width: 620px) {
  .site-header.is-scrolled {
    top: 8px;
    width: calc(100% - 16px);
    padding: 13px 20px;
    border-radius: 16px;
  }

  .site-header.is-scrolled .secondary-nav {
    right: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header {
    transition: none;
  }
}