.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-inner {
  gap: 1.5rem;
}

.header-logo {
  white-space: nowrap;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
}

.header-logo span {
  display: block;
  margin-top: 0.15rem;
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
}

.header-menu-wrapper {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header-menu {
  margin: 0;
  padding: 0;
}

.header-cta-btn {
  font-size: 0.75rem;
}

.header-toggle {
  margin-left: auto;
}

@media (max-width: 880px) {
  .arch-nav-inner {
    min-height: 4rem;
  }

  .header-nav {
    width: auto;
  }

  .header-menu-wrapper {
    position: fixed;
    z-index: 50;
    top: calc(4.5rem + env(safe-area-inset-top));
    right: 1rem;
    left: 1rem;
    width: auto;
    max-height: calc(100dvh - 5.5rem - env(safe-area-inset-top));
    overflow-y: auto;
    overscroll-behavior: contain;
    background-color: rgba(246,244,239,0.98);
    border-radius: 12px;
    border: 1px solid rgba(37,42,44,0.08);
    box-shadow: 0 18px 45px rgba(0,0,0,0.12);
    padding: 1rem 1.1rem 1.1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    transform-origin: top right;
    transform: scale(0.98) translateY(-4px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 160ms ease-out, transform 160ms ease-out, visibility 160ms ease-out;
  }

  .header-menu-wrapper.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scale(1) translateY(0);
  }

  .header-menu {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
  }

  .header-menu li {
    width: 100%;
  }

  .header-menu .nav-link {
    display: block;
    padding-block: 0.65rem;
    min-height: 2.75rem;
  }

  .header-cta {
    display: flex;
    justify-content: flex-start;
    border-top: 1px solid rgba(37,42,44,0.08);
    padding-top: 0.6rem;
    margin-top: 0.1rem;
  }

  .header-cta-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .header-inner {
    gap: 0.75rem;
  }

  .header-logo {
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    line-height: 1.15;
  }

  .header-logo span {
    margin-top: 0.2rem;
    font-size: 0.58rem;
    letter-spacing: 0.18em;
  }

  .header-menu-wrapper {
    right: 0.75rem;
    left: 0.75rem;
    width: auto;
    padding: 0.75rem 1rem 1rem;
  }
}

@media (min-width: 881px) {
  .header-menu-wrapper {
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    pointer-events: auto !important;
    position: static;
    width: auto;
    max-height: none;
    overflow: visible;
    padding: 0;
    box-shadow: none;
    border-radius: 0;
    border: none;
  }
}

.header-menu-wrapper[data-no-js="true"] {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.header-toggle {
  position: relative;
}

.header-toggle span {
  border-radius: 999px;
}

.header-toggle:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.header-toggle[aria-expanded="true"] span:nth-child(1) {
  transform-origin: center;
  transform: translateY(3px) rotate(42deg);
}

.header-toggle[aria-expanded="true"] span:nth-child(2) {
  transform-origin: center;
  transform: translateY(-3px) rotate(-42deg);
}

.header-menu-wrapper:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.header-menu [data-nav-link][data-current="true"]::after {
  width: 100%;
}