.topbar {
  height: 104px;
}

.brand-logo {
  width: 192px;
  height: 82px;
}

.arb-signature {
  min-width: 58px;
}

.arb-signature strong {
  font-size: .82rem;
  letter-spacing: .14em;
}

.arb-signature small {
  font-size: .31rem;
}

.hero-primary-cta {
  display: inline-flex;
  min-width: min(430px, 100%);
  min-height: 68px;
  margin: 4px auto 26px;
  gap: 12px;
  border-radius: 15px;
  background: #25d366;
  border-color: #25d366;
  color: #fff;
  font-size: 1.08rem;
  box-shadow: 0 16px 34px rgba(37, 211, 102, .34);
}

.hero-primary-cta:hover {
  background: #1ebe5d;
  border-color: #1ebe5d;
}

@media (max-width: 600px) {
  .topbar { height: 82px; }
  .brand-logo { width: 142px; height: 62px; }
  .arb-signature { min-width: 42px; }
  .arb-signature strong { font-size: .72rem; }
  .hero-primary-cta { width: 100%; min-width: 0; }
}