.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  width: 100%;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  min-height: var(--header-height);
  gap: 1rem;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
}

.site-header__mark {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.65rem;
  overflow: hidden;
  flex-shrink: 0;
}

.site-header__logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.site-header__divider {
  width: 1px;
  height: 1.45rem;
  border-radius: 999px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--color-brand) 10%, transparent), color-mix(in srgb, var(--color-brand) 80%, transparent) 35%, rgba(17, 24, 39, 0.7) 100%);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.45);
}

.site-header__wordmark {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--color-ink-950);
}

.site-header__toggle {
  display: none;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 0.68rem 0.92rem;
  font-size: 0.92rem;
  background: var(--color-paper-muted);
  color: var(--color-ink-950);
}

.site-header__nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1 1 auto;
  min-width: 0;
  flex-wrap: nowrap;
  gap: 1rem;
}

.site-header__nav a {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  white-space: nowrap;
  font-size: 0.92rem;
  font-weight: 500;
}

.site-header__cta {
  margin-left: 0.15rem;
}

@media (max-width: 900px) {
  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.98);
  }

  .site-header__nav.is-open {
    display: flex;
  }
}