/* ─── CHECKOUT PAGE CSS ────────────────────────────────── */
.checkout-section { padding: 140px 0 80px; background: var(--bg-2); min-height: 100vh; }

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 40px;
  align-items: start;
}

.checkout-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.checkout-title { font-size: 1.8rem; font-weight: 800; margin-bottom: 24px; color: var(--text-primary); }

.checkout-form-group { margin-bottom: 20px; }
.checkout-form-label { display: block; font-size: .875rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; }
.checkout-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}
.checkout-input:focus { outline: none; border-color: var(--purple); box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1); }

.order-summary {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 32px;
  position: sticky;
  top: 100px;
}

.summary-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 20px; color: var(--text-primary); padding-bottom: 16px; border-bottom: 1px solid var(--border-light); }

.summary-item { display: flex; justify-content: space-between; margin-bottom: 12px; font-size: .9rem; color: var(--text-secondary); }
.summary-item.total { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border-light); color: var(--text-primary); font-weight: 800; font-size: 1.1rem; }

.plan-pill {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(139, 92, 246, 0.1);
  color: var(--purple);
  border-radius: 100px;
  font-size: .75rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.checkout-trust {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.trust-badge-mini {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .8rem;
  color: var(--text-muted);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.shake { animation: shake 0.2s cubic-bezier(.36,.07,.19,.97) both; }

#coupon-message {
  transition: all 0.3s ease;
  font-weight: 500;
}

.btn-secondary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

@media (max-width: 900px) {
  .checkout-grid { grid-template-columns: 1fr; }
  .order-summary { position: static; }
}