.site-header {
  position: relative;
  z-index: 100;
  background-color: rgba(253, 248, 242, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(217, 167, 160, 0.3);
  width: 100%;
}

.site-header__inner {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-deep-plum);
  flex-shrink: 0;
}

.site-header__logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 0;
  flex-shrink: 0;
}

.site-header__brand-name {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-deep-plum);
  white-space: nowrap;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  padding: 0;
  transition: background-color 300ms ease-out;
}

.site-header__toggle:hover {
  background-color: rgba(247, 201, 182, 0.4);
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.site-header__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-deep-plum);
  border-radius: 1px;
  transition: transform 300ms ease-out, opacity 300ms ease-out;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-header__nav {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-item {
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-deep-plum);
  text-decoration: none;
  padding: 0.5rem 0;
  transition: color 300ms ease-out;
  white-space: nowrap;
}

.site-header__nav-link:hover {
  color: var(--color-dusty-rose);
}

.site-header__nav-link:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (max-width: 900px) {
  .site-header__inner {
    height: 56px;
    padding-inline: 1rem;
  }

  .site-header__logo {
    width: 32px;
    height: 32px;
  }

  .site-header__brand-name {
    font-size: 1rem;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(253, 248, 242, 0.98);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(217, 167, 160, 0.3);
    box-shadow: 0 4px 12px rgba(62, 44, 65, 0.06);
    max-height: 0;
    overflow: hidden;
    transition: max-height 300ms ease-out;
    display: block;
  }

  .site-header__nav.is-open {
    max-height: calc(100vh - 56px);
    overflow-y: auto;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1rem 1rem;
  }

  .site-header__nav-item {
    border-bottom: 1px solid rgba(217, 167, 160, 0.2);
  }

  .site-header__nav-item:last-child {
    border-bottom: none;
  }

  .site-header__nav-link {
    display: block;
    padding: 0.75rem 0;
    font-size: 1.125rem;
  }
}