.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-4) clamp(18px, 4vw, 56px);
  background: color-mix(in srgb, var(--cream) 94%, transparent);
  border-bottom: 1px solid var(--line-standard);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--deep-blue);
}

.site-header > .brand {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.brand span {
  font-family: var(--brand-font);
  font-size: var(--brand-size);
  font-weight: var(--brand-weight);
  letter-spacing: 0.01em;
}

.brand-logo {
  display: block;
  width: var(--control-height);
  height: var(--control-height);
  object-fit: contain;
}

.site-header .brand-logo {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(var(--space-6), 18vw, 360px);
  width: 100%;
}

.site-nav__group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav__group--left {
  justify-content: flex-start;
}

.site-nav__group--right {
  justify-content: flex-end;
}

.site-nav a:not(.button) {
  padding: 10px 14px;
  color: var(--deep-blue);
  border-radius: var(--radius-small);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
}

.site-nav a:not(.button):hover {
  color: var(--paper);
  background: var(--navy);
}

.menu-toggle {
  display: none;
  width: var(--control-height);
  height: var(--control-height);
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-round);
  background: var(--paper);
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

@media (max-width: 760px) {
  .site-header {
    min-height: 78px;
    align-items: center;
    justify-content: center;
  }

  .site-header > .brand {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  .menu-toggle {
    position: absolute;
    left: clamp(18px, 5vw, 28px);
    display: grid;
    width: var(--control-height);
    height: var(--control-height);
    padding: 7px;
    place-content: center;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .menu-toggle span {
    width: 24px;
    height: 2px;
    margin: 3px 0;
  }

  .site-nav {
    position: absolute;
    inset: 74px 18px auto;
    display: none;
    width: auto;
    justify-content: flex-start;
    gap: var(--space-1);
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    background: var(--paper);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav__group {
    display: grid;
    gap: var(--space-1);
    justify-content: stretch;
  }

  .site-nav a:not(.button) {
    border-radius: var(--radius-card);
  }

}