.checkout-main {
  padding: var(--space-8) 0 var(--space-12);
}

.checkout-hero {
  margin-bottom: var(--space-8);
}

.checkout-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
  gap: var(--space-8);
  align-items: center;
}

.checkout-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.checkout-breadcrumbs li + li::before {
  content: "/";
  margin: 0 var(--space-1);
}

.checkout-hero__subtitle {
  max-width: 38rem;
  color: var(--color-text-muted);
}

.checkout-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.checkout-hero__media {
  max-width: 480px;
  margin-left: auto;
}

.checkout-hero__image-wrapper {
  box-shadow: var(--shadow-md);
}

.checkout-layout__inner {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.1fr);
  gap: var(--space-8);
  align-items: flex-start;
}

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

.checkout-sidebar {
  position: sticky;
  top: var(--space-8);
}

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

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

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

.checkout-overview__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.6fr);
  gap: var(--space-6);
  align-items: center;
}

.checkout-overview__list {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

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

.checkout-overview__value {
  font-weight: 600;
}

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

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

.checkout-order-items__thumbnails {
  max-width: 420px;
}

.checkout-order-items__table {
  display: grid;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

.checkout-order-items__row {
  display: grid;
  grid-template-columns: 3fr 1fr 1fr 1fr;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  background-color: var(--gray-50);
}

.checkout-order-items__row--header {
  background-color: transparent;
  padding-bottom: 0;
  font-weight: 500;
  color: var(--color-text-muted);
}

.checkout-order-items__product-name {
  font-weight: 500;
  margin-bottom: var(--space-1);
}

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

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

.checkout-account__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto minmax(0, 1.2fr);
  gap: var(--space-6);
  align-items: stretch;
}

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

.checkout-account__title {
  font-size: var(--font-size-lg);
  margin-bottom: 0;
}

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

.checkout-account__benefits {
  list-style: none;
  display: grid;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  padding-left: 0;
}

.checkout-account__divider {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.checkout-account__divider span {
  position: relative;
  padding: 0 var(--space-3);
}

.checkout-account__divider span::before,
.checkout-account__divider span::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 999px;
  height: 1px;
  background-color: var(--gray-200);
}

.checkout-account__divider span::before {
  right: 100%;
}

.checkout-account__divider span::after {
  left: 100%;
}

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

.checkout-form--stack {
  max-width: 420px;
}

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

.checkout-form__grid--3 {
  grid-template-columns: 0.8fr 1.2fr 1fr;
}

.checkout-form__field--compact input {
  max-width: 220px;
}

.checkout-form__field {
  display: flex;
  flex-direction: column;
}

.checkout-form__actions {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.checkout-form__grid--promo {
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
  align-items: flex-end;
}

.checkout-form__actions--promo {
  justify-content: flex-end;
}

.checkout-options__group {
  border: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.checkout-option {
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  padding: var(--space-3);
  cursor: pointer;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal);
}

.checkout-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

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

.checkout-option__main {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

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

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

.checkout-option__aside {
  display: flex;
  align-items: center;
  font-weight: 600;
}

.checkout-option__price {
  white-space: nowrap;
}

.checkout-option:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.checkout-option--selected,
.checkout-option input[type="radio"]:checked + .checkout-option__body {
  border-color: var(--color-primary);
}

.checkout-payment__details {
  margin: var(--space-3) 0 var(--space-1);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background-color: var(--gray-50);
  display: none;
}

.checkout-payment__details--active {
  display: block;
}

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

.checkout-security {
  margin-top: var(--space-4);
  border-top: 1px solid var(--gray-200);
  padding-top: var(--space-4);
  display: grid;
  gap: var(--space-3);
}

.checkout-security__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

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

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

.checkout-review__title {
  font-size: var(--font-size-md);
  margin-bottom: var(--space-3);
}

.checkout-review__list {
  display: grid;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

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

.checkout-review__list span:first-child {
  color: var(--color-text-muted);
}

.checkout-review__consents {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
}

.checkout-review__consent-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: flex-start;
}

.checkout-review__actions {
  display: grid;
  gap: var(--space-2);
}

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

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

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

.checkout-support__inner {
  background-color: var(--gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  display: flex;
  justify-content: space-between;
  gap: var(--space-6);
  align-items: center;
}

.checkout-support__content p {
  color: var(--color-text-muted);
}

.checkout-support__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-end;
}

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

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

.checkout-sidebar__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.checkout-sidebar__title {
  font-size: var(--font-size-lg);
  margin-bottom: 0;
}

.checkout-sidebar__summary {
  display: grid;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

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

.checkout-sidebar__row--highlight {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--gray-200);
  font-weight: 600;
}

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

.checkout-sidebar__cta {
  display: grid;
  gap: var(--space-2);
}

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

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

.checkout-sidebar__trust-list {
  list-style: none;
  display: grid;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.checkout-sidebar__media {
  display: none;
}

.checkout-submit--sidebar {
  width: 100%;
}

@media (max-width: 1024px) {
  .checkout-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.1fr);
  }

  .checkout-layout__inner {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  }
}

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

  .checkout-sidebar {
    position: static;
  }

  .checkout-sidebar__media {
    display: block;
  }

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

  .checkout-support__actions {
    align-items: flex-start;
    text-align: left;
  }

  .checkout-support__details {
    text-align: left;
  }
}

@media (max-width: 768px) {
  .checkout-main {
    padding-top: var(--space-6);
  }

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

  .checkout-hero__media {
    max-width: none;
    order: -1;
  }

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

  .checkout-order-items__row {
    grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr);
    grid-template-rows: auto auto;
  }

  .checkout-order-items__row > :nth-child(3),
  .checkout-order-items__row > :nth-child(4) {
    display: none;
  }

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

  .checkout-account__divider {
    display: none;
  }

  .checkout-form__grid,
  .checkout-form__grid--3,
  .checkout-form__grid--promo {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

@media (max-width: 480px) {
  .checkout-support__inner {
    padding: var(--space-4);
  }

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