.checkout-hero {
  padding-top: var(--space-12);
  padding-bottom: var(--space-10);
}

.checkout-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
  gap: var(--space-8);
  align-items: center;
}

.checkout-hero-text {
  max-width: 40rem;
}

.checkout-hero-visual {
  justify-self: end;
  max-width: 25rem;
}

.checkout-hero-visual img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.checkout-breadcrumb {
  padding-bottom: var(--space-4);
}

.checkout-breadcrumb-list {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.checkout-layout {
  padding-bottom: var(--space-12);
}

.checkout-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 1.4fr);
  gap: var(--space-8);
  align-items: flex-start;
}

.checkout-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.checkout-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.checkout-section-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: center;
}

.checkout-section {
  padding: var(--space-5);
}

.checkout-order-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.checkout-item {
  display: grid;
  grid-template-columns: minmax(0, 2.4fr) minmax(0, 1.4fr);
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background-color: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.checkout-item-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

.checkout-item-meta {
  font-size: var(--font-size-sm);
}

.checkout-item-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-end;
}

.checkout-item-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  align-items: center;
}

.checkout-item-price-row {
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  padding-top: var(--space-3);
}

.checkout-item-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.checkout-item-price {
  font-size: var(--font-size-lg);
}

.checkout-qty {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.5);
  overflow: hidden;
}

.checkout-qty-input {
  width: 3.5rem;
  text-align: center;
  border-radius: 0;
  border: none;
  background-color: transparent;
  box-shadow: none;
}

.checkout-qty-input:focus-visible {
  outline: none;
  box-shadow: none;
}

.checkout-qty-btn {
  padding: 0.35rem 0.7rem;
  font-size: var(--font-size-sm);
  cursor: pointer;
  background-color: rgba(15, 23, 42, 0.95);
  color: var(--color-text);
  transition: background-color var(--transition-fast);
}

.checkout-qty-btn:hover {
  background-color: rgba(30, 64, 175, 0.6);
}

.checkout-order-summary-footer {
  margin-top: var(--space-5);
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  padding-top: var(--space-4);
}

.checkout-discount {
  max-width: 28rem;
}

.checkout-discount-row {
  display: flex;
  gap: var(--space-3);
}

.checkout-discount-row .button {
  white-space: nowrap;
}

.checkout-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-6);
}

.checkout-form-group {
  display: flex;
  flex-direction: column;
}

.checkout-form-group-full {
  grid-column: 1 / -1;
}

.checkout-legend {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.checkout-choice-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.checkout-choice {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

.checkout-choice input[type="checkbox"],
.checkout-choice input[type="radio"] {
  margin-top: 0.15rem;
}

.checkout-security-grid {
  gap: var(--space-4);
}

.checkout-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
}

.checkout-payment-layout {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: var(--space-6);
  align-items: flex-start;
}

.checkout-payment-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.checkout-form-grid-payment {
  align-content: flex-start;
}

.checkout-summary-card {
  position: sticky;
  top: 6.5rem;
}

.checkout-totals {
  margin: 0;
}

.checkout-totals-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2);
}

.checkout-totals-row-discount {
  margin-top: var(--space-2);
}

.checkout-totals-row-total {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed rgba(148, 163, 184, 0.5);
}

.checkout-vat-note {
  font-size: var(--font-size-xs);
  margin-top: var(--space-3);
}

.checkout-sidebar-card .checkout-help-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checkout-final {
  margin-top: var(--space-2);
}

.checkout-final-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.checkout-final-fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

.checkout-final-actions {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: center;
}

.checkout-submit {
  min-width: 14rem;
}

@media (max-width: 1024px) {
  .checkout-grid {
    grid-template-columns: minmax(0, 1.8fr) minmax(0, 1.2fr);
  }

  .checkout-summary-card {
    top: 5.5rem;
  }
}

@media (max-width: 900px) {
  .checkout-hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .checkout-hero-visual {
    justify-self: start;
    max-width: 18rem;
  }

  .checkout-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .checkout-sidebar {
    order: -1;
  }

  .checkout-summary-card {
    position: static;
  }

  .checkout-payment-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .checkout-section {
    padding: var(--space-4);
  }

  .checkout-item {
    grid-template-columns: minmax(0, 1fr);
  }

  .checkout-item-side {
    align-items: stretch;
  }

  .checkout-item-row {
    flex-wrap: wrap;
  }

  .checkout-form-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .checkout-section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .checkout-final-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .checkout-submit {
    width: 100%;
  }

  .checkout-discount-row {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .checkout-hero {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .checkout-breadcrumb {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}