.signup-payment-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1.15fr);
  gap: clamp(28px, 6vw, 90px);
  align-items: start;
  min-height: calc(100vh - 78px);
  padding: clamp(28px, 6vw, 86px);
}

.payment-intro {
  position: sticky;
  top: 112px;
}

.payment-intro h1 {
  max-width: 580px;
}

.payment-intro > p:not(.eyebrow) {
  max-width: 520px;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.65;
}

.payment-plan-summary {
  display: grid;
  gap: 5px;
  margin-top: 30px;
  padding: 18px;
  border: 1px solid rgba(240, 199, 102, 0.3);
  border-radius: 12px;
  background: rgba(215, 168, 79, 0.1);
}

.payment-plan-summary span {
  color: var(--muted);
  font-size: .78rem;
}

.payment-plan-summary strong {
  color: var(--gold-light);
  font-size: 1.1rem;
}

.payment-loading {
  color: var(--muted);
  text-align: center;
}

.payment-gate {
  gap: 18px;
}

.payment-approved-state {
  min-height: 180px;
  justify-content: center;
}

.payment-approved-state h2 {
  margin: 0;
  color: var(--green);
}

.email-verification-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.email-verification-control .secondary-btn {
  min-height: 48px;
  white-space: nowrap;
}

.email-verification-status {
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.45;
}

.email-verification-status.success {
  color: var(--green);
}

.email-verification-status.error {
  color: var(--danger);
}

.payment-check-btn {
  justify-self: start;
  padding: 0;
}

.payment-method-gate {
  display: grid;
  gap: 16px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.payment-gate-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.payment-gate-head .eyebrow {
  margin-bottom: 5px;
}

.payment-gate-head h2 {
  margin: 0;
  font-size: 1.35rem;
}

.verified-pill {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(69, 212, 131, .14);
  color: var(--green);
  font-size: .75rem;
  font-weight: 900;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .signup-payment-shell { grid-template-columns: 1fr; }
  .payment-intro { position: static; }
}

@media (max-width: 560px) {
  .signup-payment-shell { padding: 22px 16px; }
  .email-verification-control { grid-template-columns: 1fr; }
  .payment-gate-head { align-items: flex-start; flex-direction: column; }
}