.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgb(251 247 239 / 18%);
  background: var(--color-route-blue);
  color: var(--color-cream);
}

.site-header__inner {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-cream);
  line-height: 1;
  text-decoration: none;
}

.site-header__brand:hover { background: transparent; color: var(--color-cream); }

.site-header__logo {
  width: 2.4rem;
  height: 2.4rem;
  flex: 0 0 2.4rem;
  object-fit: contain;
}

.site-header__wordmark {
  white-space: nowrap;
  font-family: var(--font-heading);
  font-size: 1.45rem;
  line-height: 1;
}

.site-header__nav {
  min-width: 0;
  flex: 1 1 auto;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.45rem, 1.4vw, 1.2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav-list li,
.site-header__nav-list li + li { margin: 0; padding: 0; }

.site-header__nav-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.25rem;
  padding: 0.4rem 0.1rem;
  color: var(--color-cream);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__nav-list a::before {
  width: 0.42rem;
  height: 0.42rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-ochre);
  content: "";
}

.site-header__nav-list a:hover { background: rgb(251 247 239 / 12%); }

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

.site-header__cta { min-height: 2.75rem; }

.site-header__toggle,
.site-header__nav-heading,
.site-header__drawer-cta { display: none; }

.site-header__overlay { position: fixed; inset: 0; z-index: 98; background: rgb(38 62 67 / 55%); }
.site-header__overlay[hidden] { display: none !important; }

@media (max-width: 63.99rem) {
  .site-header__inner { min-height: 4rem; justify-content: space-between; }
  .site-header__logo { width: 2.2rem; height: 2.2rem; flex-basis: 2.2rem; }
  .site-header__wordmark { font-size: 1.25rem; }
  .site-header__cta { display: none; }

  .site-header__toggle {
    display: inline-flex;
    width: 2.75rem;
    height: 2.75rem;
    flex: 0 0 2.75rem;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    border: 1px solid rgb(251 247 239 / 45%);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-cream);
  }

  .site-header__toggle-line {
    width: 1.2rem;
    height: 2px;
    border-radius: 2px;
    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(0.425rem) 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(-0.425rem) rotate(-45deg); }

  .site-header__nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 99;
    width: min(25rem, calc(100vw - 2.5rem));
    height: 100dvh;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: var(--space-6) var(--space-5) var(--space-7);
    background: var(--color-ink);
    box-shadow: var(--shadow-floating);
    transform: translateX(105%);
    transition: transform var(--transition-standard);
  }

  .site-header__nav.is-open { transform: translateX(0); }
  .site-header__nav-heading { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-7); color: var(--color-cream); font-family: var(--font-heading); font-size: var(--text-xl); }
  .site-header__drawer-logo { width: 3rem; height: 3rem; object-fit: contain; }
  .site-header__nav-list { flex-direction: column; align-items: stretch; justify-content: flex-start; gap: var(--space-2); margin-bottom: var(--space-6); }
  .site-header__nav-list a { width: 100%; align-items: center; gap: var(--space-3); padding: var(--space-3); border-bottom: 1px solid rgb(251 247 239 / 18%); font-size: var(--text-sm); }
  .site-header__nav-list a::before { width: 0.65rem; height: 0.65rem; }
  .site-header__drawer-cta { display: inline-flex; width: 100%; min-height: 3rem; }
}

@media (max-width: 29.99rem) {
  .site-header__inner { gap: var(--space-2); }
  .site-header__wordmark { font-size: 1.1rem; }
  .site-header__logo { width: 2rem; height: 2rem; flex-basis: 2rem; }
}

@media (prefers-reduced-motion: reduce) { .site-header__nav, .site-header__toggle-line { transition: none; } }