/* Shared pitch navigation */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--color-line);
}

.topbar .shell {
  width: min(90rem, calc(100% - 2rem));
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  min-width: 0;
  color: var(--color-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  box-shadow: 0 6px 14px rgba(27,33,107,0.35), inset 0 0 0 1px rgba(255,255,255,0.18);
  position: relative;
  overflow: hidden;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg, transparent 0 70%, rgba(255,255,255,0.45) 80%, transparent 90%);
  animation: brand-sweep 6s linear infinite;
}

.brand-text {
  min-width: 0;
  line-height: 1.08;
}

.brand-text small {
  display: block;
  max-width: 42rem;
  color: var(--color-ink-soft);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0;
}

@keyframes brand-sweep { to { transform: rotate(1turn); } }

.topbar .nav {
  justify-self: end;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.18rem;
  max-width: 100%;
}

.topbar .nav a {
  min-height: 2.15rem;
  padding: 0.42rem 0.62rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: transparent;
  box-shadow: none;
  color: var(--color-ink-soft);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1;
  position: relative;
  text-decoration: none;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.topbar .nav a:hover {
  background: rgba(27,33,107,0.07);
  border-color: rgba(27,33,107,0.08);
  color: var(--color-blue);
  transform: none;
}

.topbar .nav a.is-active {
  background: rgba(27,33,107,0.10);
  border-color: rgba(27,33,107,0.16);
  color: var(--color-blue);
}

.topbar .nav a.cta {
  min-height: 2.3rem;
  padding: 0.48rem 0.78rem;
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  box-shadow: 0 8px 18px rgba(27,33,107,0.28);
  color: #fff;
}

.topbar .nav a.cta:visited { color: #fff; }

.topbar .nav a.cta:hover {
  color: #fff;
  transform: translateY(-1px);
}

@media (max-width: 980px) {
  .topbar .shell {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 0.6rem;
    padding: 0.62rem 0.75rem 0.7rem;
  }

  .topbar .nav {
    justify-self: stretch;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 0.12rem;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .topbar .nav::-webkit-scrollbar { display: none; }

  .topbar .nav a {
    flex: 0 0 auto;
    padding-inline: 0.58rem;
    font-size: 0.8rem;
  }

  .topbar .nav a.cta {
    position: sticky;
    right: 0;
    margin-left: 0.2rem;
  }
}

@media (max-width: 640px) {
  .topbar .shell {
    width: 100%;
    padding: 0.55rem 0.85rem 0.65rem;
  }

  .brand { gap: 0.55rem; }
  .brand-mark { width: 32px; height: 32px; border-radius: 9px; }
  .brand-text { font-size: 0.94rem; }
  .brand-text small { max-width: 18.5rem; font-size: 0.66rem; }

  .topbar .nav {
    flex-wrap: wrap;
    overflow: visible;
    gap: 0.22rem;
  }

  .topbar .nav a {
    min-height: 1.9rem;
    padding: 0.34rem 0.5rem;
    font-size: 0.74rem;
  }

  .topbar .nav a.cta {
    position: static;
    margin-left: 0;
  }
}