/* ============================================================
 * PROA · Checkout
 * Layout 2 colunas (form esquerda · resumo direita) + estados
 * ============================================================ */

.checkout-page {
  min-height: 100vh;
  background: var(--proa-page-bg);
  display: flex;
  flex-direction: column;
}

/* ── Top bar minimal ─────────────────────────────────────── */
.checkout-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 48px;
  background: var(--proa-white);
  border-bottom: 1px solid var(--border-1);
}
.checkout-topbar .secure {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-4);
  font-weight: 600;
}

/* ── Stepper (variante B) ───────────────────────────────── */
.checkout-stepper {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 22px 48px;
  background: var(--proa-white);
  border-bottom: 1px solid var(--border-2);
}
[data-variant="b"] .checkout-stepper { display: flex; }
.checkout-stepper .step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  font-size: 12px;
  color: var(--fg-4);
  font-weight: 500;
}
.checkout-stepper .step .num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--border-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-family: var(--f-mono);
  background: var(--proa-white);
}
.checkout-stepper .step.is-active {
  color: var(--proa-navy);
}
.checkout-stepper .step.is-active .num {
  border-color: var(--proa-navy);
  background: var(--proa-navy);
  color: var(--proa-white);
}
.checkout-stepper .step.is-done .num {
  border-color: var(--success);
  background: var(--success);
  color: #FFF;
}
.checkout-stepper .step.is-done {
  color: var(--success);
}
.checkout-stepper .sep {
  width: 36px;
  height: 1px;
  background: var(--border-1);
}

/* ── Stage layout ───────────────────────────────────────── */
.checkout-stage {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 0;
  max-width: 1180px;
  margin: 0 auto;
  width: 100%;
  padding: 0;
}
@media (max-width: 920px) {
  .checkout-stage { grid-template-columns: 1fr; }
}

.checkout-form {
  padding: 48px 56px 80px;
  min-width: 0;
}
.checkout-summary {
  background: var(--proa-navy);
  color: var(--on-navy-1);
  padding: 48px 40px 80px;
  position: relative;
  overflow: hidden;
}
.checkout-summary::after {
  content: 'PROA';
  position: absolute;
  bottom: -40px; right: -20px;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 220px;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.04);
  pointer-events: none;
  line-height: 1;
  white-space: nowrap;
}

@media (max-width: 920px) {
  .checkout-summary { padding: 40px 36px; }
  .checkout-form { padding: 40px 36px; }
}

/* ── Form sections ───────────────────────────────────────── */
.checkout-section {
  margin-bottom: 36px;
}
.checkout-section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 18px;
}
.checkout-section-head h3 {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 22px;
  color: var(--proa-navy);
  letter-spacing: -0.015em;
  margin: 0;
  line-height: 1.15;
}
.checkout-section-head .step-num {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--fg-4);
  text-transform: uppercase;
  font-weight: 600;
}

/* ── Plan selector ───────────────────────────────────────── */
.plan-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 580px) {
  .plan-grid { grid-template-columns: 1fr; }
}
.plan-option {
  padding: 20px 22px;
  border: 1.5px solid var(--border-1);
  border-radius: 3px;
  background: var(--proa-white);
  cursor: pointer;
  transition: border-color 150ms var(--ease), background 150ms var(--ease);
  position: relative;
}
.plan-option:hover { border-color: var(--proa-grey); }
.plan-option.is-selected {
  border-color: var(--proa-navy);
  background: #FAFBFC;
}
.plan-option input { display: none; }
.plan-option .head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}
.plan-option .badge {
  display: inline-block;
  padding: 3px 8px;
  background: var(--proa-teal);
  color: var(--proa-navy);
  font-size: 9px;
  letter-spacing: 0.12em;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 2px;
  margin-bottom: 6px;
}
.plan-option .name {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 18px;
  color: var(--proa-navy);
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.plan-option .desc {
  font-size: 11px;
  color: var(--fg-3);
  line-height: 1.5;
  margin-top: 6px;
}
.plan-option .price {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 30px;
  letter-spacing: -0.02em;
  color: var(--proa-navy);
  line-height: 1;
  margin: 14px 0 4px;
}
.plan-option .price .unit {
  font-size: 12px;
  color: var(--fg-4);
  font-family: var(--f-body);
}
.plan-option .check {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--border-1);
  background: var(--proa-white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: transparent;
  transition: all 150ms var(--ease);
}
.plan-option.is-selected .check {
  background: var(--proa-navy);
  border-color: var(--proa-navy);
  color: #FFF;
}

/* ── Payment method tabs ────────────────────────────────── */
.pm-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 18px;
}
.pm-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 16px;
  border: 1.5px solid var(--border-1);
  background: var(--proa-white);
  border-radius: 3px;
  cursor: pointer;
  font-size: 13px;
  color: var(--fg-3);
  font-weight: 500;
  transition: all 150ms var(--ease);
}
.pm-tab:hover { border-color: var(--proa-grey); }
.pm-tab.is-active {
  border-color: var(--proa-navy);
  color: var(--proa-navy);
  background: #FAFBFC;
}
.pm-tab .icon {
  width: 28px;
  height: 20px;
  background: #F5F6F8;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--proa-navy);
  font-size: 10px;
  font-weight: 700;
}
.pm-tab.is-active .icon {
  background: var(--proa-navy);
  color: #FFF;
}

.pm-pane { display: none; }
.pm-pane.is-active { display: block; }

/* ── Credit card form ───────────────────────────────────── */
.cc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.cc-grid .full { grid-column: 1 / -1; }

/* ── PIX pane ────────────────────────────────────────────── */
.pix-pane {
  background: var(--proa-white);
  border: 1px solid var(--border-1);
  border-radius: 3px;
  padding: 22px;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 22px;
  align-items: center;
}
.pix-qr {
  width: 160px;
  height: 160px;
  background: #FFF;
  border: 1px solid var(--border-2);
  border-radius: 2px;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  padding: 12px;
  gap: 2px;
}
.pix-qr div {
  background: var(--proa-navy);
  border-radius: 1px;
}
.pix-info h4 {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 16px;
  color: var(--proa-navy);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.pix-info .step {
  display: flex;
  gap: 8px;
  font-size: 12px;
  color: var(--fg-3);
  margin-bottom: 6px;
  line-height: 1.5;
}
.pix-info .step .num {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--proa-teal);
  font-weight: 600;
  min-width: 18px;
}
.pix-code {
  margin-top: 14px;
  background: #F5F6F8;
  padding: 10px 12px;
  border-radius: 2px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--fg-3);
  word-break: break-all;
  display: flex;
  align-items: center;
  gap: 10px;
}
.pix-code button {
  background: var(--proa-navy);
  color: #FFF;
  border: none;
  padding: 6px 12px;
  border-radius: 2px;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
}

@media (max-width: 580px) {
  .pix-pane { grid-template-columns: 1fr; text-align: center; }
  .pix-qr { margin: 0 auto; }
}

/* ── Summary (right column) ──────────────────────────────── */
.summary-block {
  position: relative;
  z-index: 1;
}
.summary-block .label {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--proa-teal);
  font-weight: 600;
  margin-bottom: 14px;
}
.summary-plan {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-on-navy);
  margin-bottom: 22px;
}
.summary-plan .plan-name {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 26px;
  color: var(--proa-white);
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin-bottom: 6px;
}
.summary-plan .plan-tag {
  display: inline-block;
  padding: 3px 8px;
  background: var(--proa-teal);
  color: var(--proa-navy);
  font-size: 9px;
  letter-spacing: 0.12em;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 2px;
  margin-bottom: 14px;
}
.summary-plan .desc {
  font-size: 12px;
  line-height: 1.55;
  color: var(--on-navy-2);
}
.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  font-size: 13px;
  color: var(--on-navy-2);
}
.summary-row .v {
  font-family: var(--f-mono);
  color: var(--on-navy-1);
}
.summary-total {
  border-top: 1px solid var(--border-on-navy);
  margin-top: 16px;
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.summary-total .label-big {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-navy-3);
  font-weight: 600;
}
.summary-total .val {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 40px;
  letter-spacing: -0.02em;
  color: var(--proa-teal);
  line-height: 1;
}
.summary-total .val .unit {
  font-size: 14px;
  color: var(--on-navy-3);
  font-family: var(--f-body);
}

.summary-includes {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--border-on-navy);
}
.summary-includes .title {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-navy-3);
  font-weight: 600;
  margin-bottom: 14px;
}
.summary-includes ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.summary-includes li {
  display: flex;
  gap: 10px;
  font-size: 12px;
  line-height: 1.5;
  padding: 7px 0;
  color: var(--on-navy-2);
}
.summary-includes li i,
.summary-includes li svg {
  width: 14px;
  height: 14px;
  color: var(--proa-teal);
  flex-shrink: 0;
  margin-top: 3px;
}

.summary-fine {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-on-navy);
  font-size: 11px;
  line-height: 1.55;
  color: var(--on-navy-3);
}

/* ── Submit area ────────────────────────────────────────── */
.checkout-submit {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.checkout-trust {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 8px;
  font-size: 11px;
  color: var(--fg-4);
  letter-spacing: 0.06em;
}
.checkout-trust .item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.checkout-trust i { width: 12px; height: 12px; }

/* ── Loading state ───────────────────────────────────────── */
.checkout-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 38, 57, 0.92);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--on-navy-1);
}
.checkout-overlay.is-visible { display: flex; }
.checkout-overlay .panel {
  background: var(--proa-white);
  color: var(--fg-2);
  padding: 56px 48px;
  border-radius: 4px;
  max-width: 440px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
}
.checkout-overlay .spinner {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid var(--border-1);
  border-top-color: var(--proa-navy);
  margin: 0 auto 24px;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.checkout-overlay h3 {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 24px;
  color: var(--proa-navy);
  margin: 0 0 10px;
  letter-spacing: -0.015em;
}
.checkout-overlay .msg {
  font-size: 13px;
  color: var(--fg-3);
  line-height: 1.55;
  margin-bottom: 18px;
}
.checkout-overlay .state-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
}
.checkout-overlay .state-icon.is-success {
  background: var(--success-bg);
  color: var(--success);
}
.checkout-overlay .state-icon.is-error {
  background: var(--danger-bg);
  color: var(--danger);
}
.checkout-overlay .actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 22px;
}

/* ── State demo buttons (canto inferior esquerdo) ───────── */
.checkout-state-demo {
  position: fixed;
  bottom: 16px;
  left: 16px;
  z-index: 9998;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  max-width: 280px;
}
.checkout-state-demo button {
  background: rgba(11,38,57,0.85);
  color: #FFF;
  border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 0.06em;
  font-family: var(--f-mono);
  cursor: pointer;
  text-transform: uppercase;
}
.checkout-state-demo button:hover {
  background: var(--proa-navy);
  border-color: var(--proa-teal);
}