.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid rgba(221, 229, 240, 0.9);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: grid;
  width: min(100%, 1440px);
  min-height: 84px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  align-items: center;
  grid-template-columns: 270px 1fr auto;
  gap: 2rem;
}

.logo img {
  width: 220px;
  height: auto;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.1rem, 2.2vw, 2.35rem);
}

.primary-nav a {
  position: relative;
  padding: 1.9rem 0;
  color: var(--orbit);
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 1.3rem;
  left: 0;
  height: 2px;
  background: var(--blue);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after,
.primary-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-cta {
  color: var(--white);
  background: var(--orbit);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  align-items: center;
  justify-content: center;
  color: var(--orbit);
  border: 1px solid var(--mist);
  border-radius: var(--radius-small);
  background: var(--white);
  cursor: pointer;
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

.site-footer {
  display: grid;
  padding: 3.5rem var(--gutter);
  color: rgba(255, 255, 255, 0.72);
  background: var(--orbit);
  grid-template-columns: 1fr auto auto;
  align-items: end;
  gap: 4rem;
}

.footer-brand img {
  width: 210px;
  padding: 0.5rem;
  background: var(--white);
}

.footer-brand p {
  margin: 1rem 0 0;
}

.footer-links {
  display: grid;
  gap: 0.45rem;
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-note {
  margin-bottom: 0;
  font-size: 0.82rem;
}

@media (max-width: 1180px) {
  .header-inner {
    grid-template-columns: 230px 1fr auto;
    gap: 1.25rem;
  }

  .logo img {
    width: 195px;
  }

  .primary-nav {
    gap: 1.25rem;
  }

  .primary-nav a {
    font-size: 0.82rem;
  }
}

@media (max-width: 960px) {
  .header-inner {
    min-height: 74px;
    grid-template-columns: 1fr auto;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .header-cta {
    display: none;
  }

  .primary-nav {
    position: fixed;
    top: 74px;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    padding: 2rem var(--gutter);
    align-items: stretch;
    justify-content: flex-start;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-16px);
    transition: opacity var(--transition), transform var(--transition);
  }

  .primary-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .primary-nav a {
    padding: 1.15rem 0;
    border-bottom: 1px solid var(--mist);
    font-family: var(--font-display);
    font-size: 1.25rem;
  }

  .primary-nav a::after {
    display: none;
  }

  .site-footer {
    grid-template-columns: 1fr 1fr;
  }

  .footer-note {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .logo img {
    width: 180px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-note {
    grid-column: auto;
  }
}