.commerce-page { background: var(--ivory); color: var(--ink); }
.commerce-header { position: static; color: var(--forest); background: rgba(250,247,240,.96); border-bottom: 1px solid var(--line); }
.commerce-header .header-inner { min-height: 112px; }
.commerce-header .brand-logo img { filter: none; }
.commerce-header .main-nav a, .commerce-header .icon-button { color: var(--forest); }
.commerce-shell { width: min(1240px, calc(100% - 48px)); margin: 0 auto; padding: 72px 0 110px; }
.commerce-title { margin-bottom: 44px; }
.commerce-title p { margin: 0 0 12px; color: var(--clay); font-size: 11px; letter-spacing: .18em; }
.commerce-title h1 { margin: 0; color: var(--forest); font-family: var(--serif); font-size: clamp(42px, 6vw, 76px); font-weight: 500; }
.cart-layout, .checkout-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(320px, .7fr); gap: 56px; align-items: start; }
.cart-list { border-top: 1px solid var(--line); }
.cart-page-row { display: grid; grid-template-columns: 150px 1fr auto; gap: 26px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.cart-page-row__image { aspect-ratio: .88; overflow: hidden; background: var(--cream); }
.cart-page-row__image img { width: 100%; height: 100%; object-fit: cover; }
.cart-page-row h2 { margin: 8px 0 5px; font-family: var(--serif); font-size: 25px; font-weight: 500; }
.cart-page-row p { margin: 0 0 16px; color: var(--muted); font-size: 13px; }
.cart-page-row strong { font-family: var(--serif); font-size: 19px; }
.cart-page-row .quantity-control { margin-top: 18px; }
.cart-remove { margin-top: 15px; padding: 0; border: 0; border-bottom: 1px solid currentColor; color: var(--muted); background: none; font-size: 12px; cursor: pointer; }
.order-card { position: sticky; top: 24px; padding: 32px; background: #f0eadf; border: 1px solid var(--line); }
.order-card h2 { margin: 0 0 24px; font-family: var(--serif); font-size: 28px; font-weight: 500; }
.order-line { display: flex; justify-content: space-between; gap: 18px; padding: 10px 0; font-size: 14px; }
.order-line--total { margin-top: 12px; padding-top: 20px; border-top: 1px solid var(--line); font-family: var(--serif); font-size: 20px; }
.order-card .button { width: 100%; margin-top: 24px; }
.secure-note { margin: 14px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; text-align: center; }
.empty-page-cart { padding: 70px 24px; border: 1px solid var(--line); text-align: center; }
.empty-page-cart h2 { font-family: var(--serif); font-size: 34px; font-weight: 500; }
.checkout-form { display: grid; gap: 34px; }
.checkout-section { padding: 30px; border: 1px solid var(--line); background: #fcfaf5; }
.checkout-section h2 { margin: 0 0 24px; font-family: var(--serif); font-size: 28px; font-weight: 500; }
.field-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field-grid .full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: 7px; color: var(--muted); font-size: 12px; letter-spacing: .04em; }
.field input, .field select { width: 100%; height: 50px; padding: 0 14px; border: 1px solid #cfc8bc; border-radius: 0; color: var(--ink); background: white; font: inherit; }
.field input:focus, .field select:focus { outline: 2px solid var(--sage); outline-offset: 1px; }
.payment-demo { padding: 16px; color: var(--muted); background: var(--cream); font-size: 13px; line-height: 1.6; }
.checkout-items { margin: 0 0 18px; }
.checkout-item { display: grid; grid-template-columns: 64px 1fr auto; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.checkout-item img { width: 64px; height: 74px; object-fit: cover; }
.checkout-item h3 { margin: 0 0 3px; font-family: var(--serif); font-size: 16px; font-weight: 500; }
.checkout-item p { margin: 0; color: var(--muted); font-size: 12px; }
.checkout-message { margin-top: 16px; padding: 13px; color: var(--forest); background: #e3eadf; font-size: 13px; }
@media (max-width: 860px) {
  .commerce-header .main-nav { display: none; }
  .commerce-shell { width: min(100% - 32px, 680px); padding-top: 44px; }
  .cart-layout, .checkout-layout { grid-template-columns: 1fr; gap: 32px; }
  .order-card { position: static; }
}
@media (max-width: 560px) {
  .commerce-header .header-inner { min-height: 88px; }
  .cart-page-row { grid-template-columns: 100px 1fr; gap: 16px; }
  .cart-page-row > strong { grid-column: 2; }
  .field-grid { grid-template-columns: 1fr; }
  .field-grid .full { grid-column: auto; }
  .checkout-section, .order-card { padding: 22px; }
}