.site-header {
  position: sticky;
  top: 0.9rem;
  z-index: 50;
  display: flex;
  width: min(var(--site-max), calc(100% - (var(--page-gutter) * 2)));
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.9rem auto 0;
  padding: 0.65rem 0.8rem 0.65rem 0.9rem;
  border: 1px solid rgba(107, 79, 58, 0.12);
  border-radius: 999px;
  background: rgba(248, 246, 243, 0.9);
  box-shadow: 0 18px 48px rgba(67, 45, 31, 0.08);
  backdrop-filter: blur(18px);
}

.site-header.is-scrolled {
  box-shadow: 0 18px 52px rgba(67, 45, 31, 0.12);
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 0.7rem;
}

.brand-mark {
  display: grid;
  width: 2.65rem;
  height: 2.65rem;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--color-blush);
  border-radius: 50%;
  color: var(--color-brown);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
}

.brand-logo {
  width: 2.65rem;
  height: 2.65rem;
  flex: 0 0 auto;
  border-radius: 50%;
  object-fit: cover;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--color-deep);
  font-size: 0.98rem;
  line-height: 1.15;
  white-space: nowrap;
}

.brand small {
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.15rem;
}

.main-nav a {
  display: inline-flex;
  min-height: 2.6rem;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 0.88rem;
  border-radius: 999px;
  color: var(--color-muted);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1;
  transition: color 0.22s ease, background 0.22s ease;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.is-active {
  color: var(--color-deep);
  background: rgba(220, 198, 192, 0.34);
}

.main-nav .nav-cta {
  margin-left: 0.2rem;
  color: var(--color-white);
  background: var(--color-brown);
}

.main-nav .nav-cta:hover,
.main-nav .nav-cta:focus-visible {
  color: var(--color-white);
  background: var(--color-terracotta);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 auto;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--color-brown);
  background: rgba(220, 198, 192, 0.44);
}

.nav-toggle span {
  display: block;
  width: 1.1rem;
  height: 1px;
  background: currentColor;
  transition: transform 0.22s ease;
}

.nav-toggle span + span {
  margin-top: 0.38rem;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}