.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  width: 100%;
  border-bottom: 1px solid rgba(216, 210, 200, 0.9);
  background: rgba(250, 246, 240, 0.96);
  box-shadow: 0 2px 12px rgba(61, 62, 58, 0.03);
  backdrop-filter: blur(10px);
}

.site-header__inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-olive);
  text-decoration: none;
}

.site-header__logo {
  width: 2.875rem;
  height: 2.875rem;
  flex: 0 0 2.875rem;
  object-fit: contain;
}

.site-header__brand-text {
  min-width: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.125rem, 1.5vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}

.site-header__navigation {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(1rem, 2vw, 1.75rem);
}

.site-header__nav-list {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: clamp(0.75rem, 1.45vw, 1.35rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav-item,
.site-header__nav-item + .site-header__nav-item {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  border-bottom: 2px solid transparent;
  color: var(--color-olive);
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.site-header__nav-link:hover,
.site-header__nav-link[aria-current="page"] {
  border-bottom-color: var(--color-rose);
  color: var(--color-forest);
}

.site-header__cta {
  flex: 0 0 auto;
  white-space: nowrap;
}

.site-header__toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 2.75rem;
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  padding: 0;
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-md);
  background: var(--color-milk);
  color: var(--color-forest);
  flex-direction: column;
}

.site-header__toggle-line {
  display: block;
  width: 1.2rem;
  height: 1px;
  background: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(0.38rem) 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(-0.38rem) rotate(-45deg);
}

@media (max-width: 59.99rem) {
  .site-header__inner {
    min-height: 4rem;
    justify-content: space-between;
  }

  .site-header__logo {
    width: 2.4rem;
    height: 2.4rem;
    flex-basis: 2.4rem;
  }

  .site-header__brand-text {
    font-size: 1.0625rem;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-header__navigation {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
    border-top: 1px solid var(--color-border-warm);
    border-bottom: 1px solid var(--color-border-warm);
    background: var(--color-milk);
    box-shadow: var(--shadow-soft);
  }

  .site-header__navigation.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    padding: var(--space-4) max(var(--container-padding), env(safe-area-inset-right)) calc(var(--space-5) + env(safe-area-inset-bottom)) max(var(--container-padding), env(safe-area-inset-left));
  }

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

  .site-header__nav-item,
  .site-header__nav-item + .site-header__nav-item {
    display: block;
    border-bottom: 1px solid var(--color-border-warm);
  }

  .site-header__nav-link {
    display: flex;
    min-height: 3rem;
    justify-content: space-between;
    border-bottom: 0;
    font-size: var(--text-sm);
  }

  .site-header__nav-link::after {
    content: "›";
    color: var(--color-brass);
    font-size: 1.25rem;
  }

  .site-header__cta {
    width: 100%;
  }
}

@media (max-width: 22rem) {
  .site-header__inner {
    gap: 0.5rem;
  }

  .site-header__brand {
    gap: 0.45rem;
  }

  .site-header__brand-text {
    font-size: 0.95rem;
  }
}