.checkout-main {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

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

.checkout-hero__container {
  display: grid;
  gap: var(--space-6);
  align-items: flex-start;
}

@media (min-width: 900px) {
  .checkout-hero__container {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  }
}

.checkout-hero__subtitle {
  max-width: 40rem;
  color: var(--color-text-muted);
}

.checkout-hero__meta {
  margin-top: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.checkout-hero__chip {
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary-soft);
  color: var(--color-primary-active);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.checkout-hero__aside {
  justify-self: stretch;
}

.checkout-steps {
  list-style: none;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.checkout-steps__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.4rem 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.checkout-steps__item--current {
  color: var(--color-gray-900);
  font-weight: 600;
}

.checkout-steps__index {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.checkout-steps__item--current .checkout-steps__index {
  background-color: var(--color-primary);
  color: #ffffff;
}

.checkout-layout__container {
  display: grid;
  gap: var(--space-6);
  align-items: flex-start;
}

@media (min-width: 1024px) {
  .checkout-layout__container {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  }
}

.checkout-section + .checkout-section {
  margin-top: var(--space-6);
}

.checkout-section__header {
  margin-bottom: var(--space-4);
}

.checkout-section__header--split {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
}

.checkout-section__header--compact {
  margin-bottom: var(--space-3);
}

.checkout-section__description {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.checkout-section__hint {
  max-width: 18rem;
}

.checkout-section__figure {
  margin: 0 0 var(--space-4);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.checkout-section__figure img {
  width: 100%;
  height: auto;
}

.checkout-section__figure--payment img,
.checkout-section__figure--recommendations img,
.checkout-section__figure--security img {
  object-fit: cover;
}

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

.checkout-overview__table {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface-muted);
  padding: var(--space-3);
  display: grid;
  gap: var(--space-2);
}

.checkout-overview__row {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 0.7fr) minmax(0, 1fr);
  gap: var(--space-3);
  align-items: center;
  font-size: var(--font-size-sm);
}

.checkout-overview__row--header {
  font-weight: 500;
  color: var(--color-text-muted);
}

.checkout-overview__row--item {
  padding: 0.5rem 0.35rem;
  border-radius: var(--radius-sm);
  background-color: #ffffff;
}

.checkout-overview__title {
  font-weight: 500;
}

.checkout-overview__meta {
  font-size: var(--font-size-xs);
}

.checkout-overview__qty-input {
  max-width: 4.5rem;
}

.checkout-overview__price {
  justify-self: flex-end;
  font-weight: 500;
}

.checkout-overview__actions {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
}

@media (max-width: 640px) {
  .checkout-overview__row {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 0.7fr);
    grid-template-areas:
      "product price"
      "qty qty";
  }
  .checkout-overview__product {
    grid-area: product;
  }
  .checkout-overview__qty {
    grid-area: qty;
  }
  .checkout-overview__price {
    grid-area: price;
    justify-self: flex-end;
  }
}

.checkout-grid {
  display: grid;
  gap: var(--space-3);
}

.checkout-grid__column {
  min-width: 0;
}

.checkout-grid__column--wide {
  grid-column: span 2;
}

@media (min-width: 768px) {
  .checkout-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

.checkout-options {
  border: 0;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.checkout-option {
  display: flex;
  align-items: stretch;
  gap: var(--space-3);
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface-muted);
  cursor: pointer;
  transition: border-color var(--transition-base), background-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast);
}

.checkout-option input[type="radio"] {
  margin-top: 0.4rem;
}

.checkout-option__content {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}

.checkout-option__title {
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.checkout-option__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.checkout-option__price {
  text-align: right;
  font-size: var(--font-size-sm);
}

.checkout-option__price--no-cost span {
  color: var(--color-success);
}

.checkout-option__tag {
  display: block;
  margin-top: 0.15rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.checkout-option__tag--accent {
  color: var(--color-primary-active);
}

.checkout-option:hover {
  border-color: var(--color-primary);
  background-color: #ffffff;
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.checkout-option input[type="radio"]:focus-visible + .checkout-option__content,
.checkout-option:has(input[type="radio"]:focus-visible) {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.checkout-billing-toggle {
  margin-bottom: var(--space-3);
}

.checkout-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.checkout-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.checkout-toggle__control {
  width: 2.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background-color: var(--color-gray-200);
  position: relative;
  transition: background-color var(--transition-base);
}

.checkout-toggle__control::after {
  content: "";
  position: absolute;
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  background-color: #ffffff;
  top: 50%;
  left: 0.15rem;
  transform: translateY(-50%);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-base);
}

.checkout-toggle input:checked + .checkout-toggle__control {
  background-color: var(--color-primary);
}

.checkout-toggle input:checked + .checkout-toggle__control::after {
  transform: translate(1rem, -50%);
}

.checkout-toggle__label {
  color: var(--color-text);
}

.checkout-billing {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-3);
}

.checkout-payment-details {
  margin-top: var(--space-4);
}

.checkout-payment-note {
  font-size: var(--font-size-sm);
}

.checkout-support__channels {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 768px) {
  .checkout-support__channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.checkout-support__item h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-2);
}

.checkout-security {
  display: grid;
  gap: var(--space-4);
  align-items: flex-start;
}

@media (min-width: 900px) {
  .checkout-security {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 2fr);
  }
}

.checkout-security__list {
  list-style: none;
  display: grid;
  gap: var(--space-3);
}

.checkout-security__list h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-1);
}

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

.checkout-summary__header {
  margin-bottom: var(--space-3);
}

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

.checkout-summary__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.checkout-summary__row--total span:last-child {
  font-weight: 600;
  font-size: var(--font-size-lg);
}

.checkout-summary__discount {
  margin-top: var(--space-3);
}

.checkout-summary__discount-row {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.checkout-summary__discount-row .input {
  flex: 1;
}

.checkout-summary__consent {
  margin-top: var(--space-3);
}

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

.checkout-checkbox input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.checkout-checkbox__control {
  width: 1rem;
  height: 1rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-gray-300);
  background-color: #ffffff;
  margin-top: 0.15rem;
  position: relative;
}

.checkout-checkbox__control::after {
  content: "";
  position: absolute;
  inset: 0.1rem;
  background-color: var(--color-primary);
  transform: scale(0);
  transition: transform var(--transition-base);
}

.checkout-checkbox input:checked + .checkout-checkbox__control::after {
  transform: scale(1);
}

.checkout-checkbox__label a {
  text-decoration: underline;
}

.checkout-summary__footer {
  margin-top: var(--space-4);
}

.checkout-summary__cta {
  width: 100%;
  justify-content: center;
}

.checkout-summary__cta[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
}

.checkout-summary__note {
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
}

.checkout-recommendations__header {
  margin-bottom: var(--space-3);
}

.checkout-recommendations__list {
  list-style: none;
  display: grid;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

.checkout-recommendations__title {
  font-weight: 500;
}

.checkout-recommendations__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.checkout-recommendations__actions {
  margin-top: var(--space-3);
}

.checkout-confirmation__body {
  font-size: var(--font-size-sm);
  display: grid;
  gap: var(--space-3);
}

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

@media (max-width: 767px) {
  .checkout-main {
    padding-top: var(--space-4);
  }
  .checkout-hero {
    padding-bottom: var(--space-2);
  }
  .card.checkout-section {
    padding: var(--space-4);
  }
}