.campaign-nav {
  background: rgba(2, 6, 23, .78);
  border-bottom: 1px solid rgba(203, 213, 225, .15);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  inset: 0 0 auto;
  position: fixed;
  z-index: 1000;
}

.campaign-header-shell {
  align-items: center;
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto minmax(150px, 1fr);
  height: 72px;
  margin: 0 auto;
  max-width: 1240px;
  padding-inline: 32px;
  width: 100%;
}

.campaign-logo { justify-self: start; }
.campaign-logo,
.campaign-logo img { display: block; }
.campaign-logo img { height: 30px; width: auto; }
.campaign-logo:focus-visible,
.campaign-series-link:focus-visible,
.campaign-header-cta:focus-visible { outline: 2px solid #06b6d4; outline-offset: 4px; }

.campaign-series {
  align-items: stretch;
  align-self: stretch;
  display: flex;
  justify-content: center;
}

.campaign-series-link {
  align-items: center;
  border-bottom: 2px solid transparent;
  color: #cbd5e1;
  display: flex;
  font-size: .75rem;
  font-weight: 700;
  gap: 8px;
  padding: 0 18px;
  text-decoration: none;
  white-space: nowrap;
}

.campaign-series-link small {
  color: #64748b;
  font-size: .59rem;
  font-weight: 800;
  letter-spacing: .12em;
}

.campaign-series-link:hover,
.campaign-series-link[aria-current="page"] { color: #f1f5f9; }

.campaign-series-link:hover small,
.campaign-series-link[aria-current="page"] small { color: #06b6d4; }

.campaign-series-link[aria-current="page"] {
  background: rgba(6, 182, 212, .055);
  border-bottom-color: #06b6d4;
}

.campaign-header-cta {
  align-items: center;
  background: #06b6d4;
  border: 1px solid #06b6d4;
  border-radius: 999px;
  color: #020617;
  display: inline-flex;
  font-size: .76rem;
  font-weight: 800;
  justify-content: center;
  justify-self: end;
  min-height: 40px;
  padding: 9px 18px;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.campaign-header-cta:hover {
  background: #22d3ee;
  border-color: #22d3ee;
  color: #020617;
  transform: translateY(-2px);
}

@media (max-width: 980px) {
  .campaign-header-shell { grid-template-columns: auto 1fr auto; }
  .campaign-series-link { padding-inline: 11px; }
}

@media (max-width: 760px) {
  .campaign-header-shell {
    grid-template-columns: 1fr auto;
    grid-template-rows: 64px 44px;
    height: 108px;
    padding-inline: 20px;
  }

  .campaign-logo { grid-column: 1; grid-row: 1; }
  .campaign-logo img { height: 25px; }
  .campaign-header-cta { grid-column: 2; grid-row: 1; min-height: 36px; padding: 7px 13px; }
  .campaign-series {
    border-top: 1px solid rgba(203, 213, 225, .1);
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    margin-inline: -20px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding-inline: 12px;
    scroll-padding-inline: 12px;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
    touch-action: pan-x;
    width: calc(100% + 40px);
    -webkit-overflow-scrolling: touch;
  }
  .campaign-series::-webkit-scrollbar { display: none; }
  .campaign-series-link { flex: 0 0 auto; min-height: 44px; padding-inline: 18px; scroll-snap-align: center; }
}

@media (max-width: 430px) {
  .campaign-series {
    overflow-x: hidden;
    padding-inline: 0;
    scroll-padding-inline: 0;
    scroll-snap-type: none;
    touch-action: auto;
  }
  .campaign-series-link {
    flex: 1 1 25%;
    font-size: .57rem;
    gap: 0;
    justify-content: center;
    min-width: 0;
    letter-spacing: -.01em;
    padding-inline: 3px;
  }
  .campaign-series-link small { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .campaign-series { scroll-behavior: auto; }
}