.store-shell { min-height: 100vh; background: var(--color-bg); }
.store-header { position: sticky; z-index: 50; top: 0; display: flex; min-height: 4.5rem; align-items: center; justify-content: space-between; gap: var(--space-2); padding: env(safe-area-inset-top) max(var(--space-4), env(safe-area-inset-right)) 0 max(var(--space-4), env(safe-area-inset-left)); border-bottom: var(--component-control-border); background: rgba(8,8,7,.94); }
.store-wordmark { display: flex; min-height: 2.75rem; align-items: center; font-size: .8125rem; font-weight: 800; line-height: 1rem; letter-spacing: .16em; text-transform: uppercase; }
.store-nav { display: flex; min-width: 0; align-items: center; gap: 0; }
.store-nav a { display: inline-flex; min-width: 2.75rem; min-height: 2.75rem; align-items: center; justify-content: center; padding-inline: var(--space-2); font-family: var(--font-mono); font-size: .8125rem; font-weight: 600; line-height: 1rem; letter-spacing: .04em; }
.cart-link { gap: var(--space-2); }
.cart-link span { display: grid; width: 1.5rem; height: 1.5rem; place-items: center; border: 1px solid var(--color-rule); font-size: .8125rem; line-height: 1rem; }
.store-header [aria-current="page"] { color: var(--semantic-action); }
.store-main { width: var(--content); margin-inline: auto; padding-block: var(--space-16) var(--space-24); }
.store-hero { display: grid; max-width: 52rem; align-content: start; gap: var(--space-5); padding-block: var(--space-12) var(--space-10); border-bottom: 1px solid var(--color-rule); }
.store-hero h1, .product-detail h1, .commerce-empty h1, .checkout-success h1, .library-heading h1, .project-root h1, .cart-layout h1, .checkout-layout h1 { max-width: 12ch; margin: 0; font-size: clamp(3.0625rem, 12vw, 5.9375rem); font-weight: 650; line-height: 1; letter-spacing: -.055em; }
.store-hero p, .store-intro, .commerce-empty > p, .checkout-success > p, .library-heading > p { max-width: 52ch; margin: 0; color: var(--color-text-soft); font-size: 1rem; line-height: 1.5rem; }
.store-hero > p:not(.store-index):not(.store-note) { max-width: 60ch; font-size: var(--type-lead); line-height: 2rem; }
.store-index, .product-card__meta p, .cart-line p, .library-list p { margin: 0; color: var(--color-accent); font-family: var(--font-mono); font-size: var(--type-meta); font-weight: 600; line-height: 1.25rem; letter-spacing: .04em; text-transform: uppercase; }
.store-filter { display: flex; flex-wrap: wrap; gap: var(--space-4); padding-block: var(--space-5); border-bottom: 1px solid var(--color-rule); color: var(--color-muted); font-family: var(--font-mono); font-size: var(--type-meta); line-height: 1.25rem; letter-spacing: .04em; }
.store-filter strong { color: var(--color-text); }
.product-grid { display: grid; gap: var(--space-12); padding-block: var(--space-12); }
.product-card { display: grid; align-content: start; gap: var(--space-4); }
.product-card > a { display: block; overflow: hidden; background: var(--color-surface); }
.product-card > a .product-art { transition: transform var(--motion-standard); }
.product-card > a:hover .product-art { transform: scale(1.012); }
.product-art { position: relative; display: grid; aspect-ratio: 1; align-content: space-between; overflow: hidden; padding: var(--space-5); border: 1px solid var(--color-rule); background: #27251f; }
.product-art::after { position: absolute; inset: 12% -20%; border: 1px solid rgba(243,240,231,.16); content: ''; transform: rotate(-22deg); }
.product-art--oxide { background: #2c211d; }
.product-art--slate { background: #202525; }
.product-art span, .product-art small { position: relative; z-index: 1; font-family: var(--font-mono); font-size: .8125rem; line-height: 1rem; letter-spacing: .12em; text-transform: uppercase; }
.product-art i { position: absolute; top: 18%; left: 10%; width: 80%; height: 40%; background: repeating-linear-gradient(90deg, transparent 0 3%, rgba(232,197,71,.9) 3% 3.5%); mask-image: linear-gradient(135deg, transparent 8%, #000 45%, transparent 88%); }
.product-art strong { position: relative; z-index: 1; align-self: end; font-size: clamp(1.953125rem, 7vw, 3.0625rem); font-weight: 650; line-height: 1; letter-spacing: -.045em; text-transform: uppercase; }
.product-card__meta { display: flex; align-items: start; justify-content: space-between; gap: var(--space-4); }
.product-card__meta h2, .cart-line h2, .library-list h2 { margin: var(--space-2) 0 0; font-size: 1.25rem; line-height: 1.5rem; }
.product-card__meta > strong { font-size: 1rem; line-height: 1.5rem; }
.product-card > p { max-width: 45ch; margin: 0; color: var(--color-muted); font-size: 1rem; line-height: 1.5rem; }
.store-footer { display: grid; gap: var(--space-6); padding: var(--space-8) max(var(--space-4), env(safe-area-inset-right)) calc(var(--space-8) + env(safe-area-inset-bottom)) max(var(--space-4), env(safe-area-inset-left)); border-top: 1px solid var(--color-rule); color: var(--color-muted); font-family: var(--font-mono); font-size: .8125rem; line-height: 1rem; }
.store-footer div { display: flex; flex-wrap: wrap; gap: var(--space-6); }
.product-detail { display: grid; gap: var(--space-12); }
.product-detail__visual { align-self: start; }
.product-detail__copy { display: grid; align-content: start; gap: var(--space-6); }
.product-detail__lead { max-width: 52ch; margin: 0; color: var(--color-text-soft); font-size: 1.25rem; line-height: 2rem; }
.purchase-line { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-2); padding-block: var(--space-4); border-block: 1px solid var(--color-rule); }
.purchase-line strong { font-size: 1.25rem; line-height: 1.5rem; }
.purchase-line span { color: var(--color-muted); font-family: var(--font-mono); font-size: .8125rem; line-height: 1rem; }
.product-detail .primary-link, .order-summary .primary-link, form .primary-link { width: 100%; cursor: pointer; }
.product-includes, .product-license { padding-top: var(--space-6); border-top: 1px solid var(--color-rule); }
.product-includes h2, .product-license h2, .order-summary h2 { margin: 0 0 var(--space-4); font-size: 1.25rem; line-height: 1.5rem; }
.product-includes ul { display: grid; gap: var(--space-3); margin: 0; padding: 0; list-style: none; }
.product-includes li::before { margin-right: var(--space-3); color: var(--color-accent); content: '—'; }
.product-license p { max-width: 52ch; margin: 0; color: var(--color-muted); }
.service-catalog { border-top: 1px solid var(--color-rule); }
.service-offer { display: grid; gap: var(--space-5); padding-block: var(--space-8); border-bottom: 1px solid var(--color-rule); }
.service-offer > span { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--type-meta); line-height: 1.25rem; letter-spacing: .04em; }
.service-offer h2 { margin: 0; font-size: var(--type-section); line-height: 2.5rem; letter-spacing: -.04em; }
.service-offer p { max-width: 52ch; margin: var(--space-3) 0 0; color: var(--color-muted); }
.service-offer dl, .checkout-success dl { display: grid; gap: var(--space-4); margin: 0; }
.service-offer dl div, .checkout-success dl div { display: grid; gap: var(--space-1); }
.service-offer dt, .checkout-success dt { color: var(--color-muted); font-family: var(--font-mono); font-size: .8125rem; line-height: 1rem; text-transform: uppercase; }
.service-offer dd, .checkout-success dd { margin: 0; }
.service-offer .text-link { justify-self: start; }
.cart-layout, .checkout-layout { display: grid; gap: var(--space-12); }
.cart-lines { margin-top: var(--space-8); border-top: 1px solid var(--color-rule); }
.cart-line { display: grid; grid-template-columns: 5rem 1fr auto; gap: var(--space-4); align-items: center; padding-block: var(--space-5); border-bottom: 1px solid var(--color-rule); }
.cart-line .product-art { grid-row: span 2; padding: var(--space-2); }
.cart-line .product-art strong, .cart-line .product-art span, .cart-line .product-art small { display: none; }
.cart-line > strong { align-self: start; }
.cart-line button { grid-column: 2 / -1; justify-self: start; min-height: 2.75rem; padding: 0; border: 0; background: transparent; color: var(--color-muted); font: 600 .8125rem/1rem var(--font-mono); text-decoration: underline; cursor: pointer; }
.order-summary { align-self: start; padding: var(--space-6); border: 1px solid var(--color-rule); background: var(--color-surface); }
.order-summary > div { display: flex; justify-content: space-between; gap: var(--space-4); padding-block: var(--space-3); border-bottom: 1px solid var(--color-rule); }
.order-summary .order-total { margin-bottom: var(--space-5); border-bottom: 0; color: var(--color-text); font-size: 1.25rem; line-height: 1.5rem; }
.order-summary > p { color: var(--color-muted); font-size: .8125rem; line-height: 1.25rem; }
.commerce-empty, .checkout-success { display: grid; min-height: 34rem; align-content: center; justify-items: start; gap: var(--space-6); }
.commerce-empty > div { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-5); }
.checkout-success dl { width: min(100%, 36rem); padding-block: var(--space-5); border-block: 1px solid var(--color-rule); }
form { display: grid; align-content: start; gap: var(--space-5); }
form label { display: grid; gap: var(--space-2); color: var(--color-text-soft); font-family: var(--font-mono); font-size: .8125rem; font-weight: 600; line-height: 1rem; }
input, select, textarea { width: 100%; min-height: 3rem; padding: var(--space-3) var(--space-4); border: 1px solid var(--color-rule); border-radius: 0; background: var(--color-surface); color: var(--color-text); font-family: var(--font-display); font-size: 1rem; font-weight: 400; line-height: 1.5rem; }
textarea { min-height: 9rem; resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.consent { grid-template-columns: 2.75rem 1fr; align-items: center; }
.consent input { width: 2.75rem; min-height: 2.75rem; accent-color: var(--color-accent); }
.preview-notice { display: grid; gap: var(--space-1); padding: var(--space-4); border-left: 3px solid var(--color-accent); background: rgba(232,197,71,.06); }
.preview-notice strong { font-size: 1rem; line-height: 1.5rem; }
.preview-notice span, .form-footnote, .library-note, .store-note { color: var(--color-muted); font-size: .8125rem; line-height: 1.25rem; }
.store-note { max-width: 52ch; margin: 0; padding-left: var(--space-4); border-left: 2px solid var(--color-rule); }
.form-error { min-height: 1.25rem; margin: 0; color: var(--semantic-critical-content); font-size: .8125rem; line-height: 1.25rem; }
.library-heading { display: grid; gap: var(--space-5); padding-bottom: var(--space-12); border-bottom: 1px solid var(--color-rule); }
.library-list article { display: grid; grid-template-columns: 6rem 1fr; gap: var(--space-4); padding-block: var(--space-6); border-bottom: 1px solid var(--color-rule); }
.library-list .product-art { padding: var(--space-2); }
.library-list .product-art strong, .library-list .product-art span, .library-list .product-art small { display: none; }
.library-list div > span { display: block; max-width: 52ch; margin-top: var(--space-3); color: var(--color-muted); }
.library-list button { grid-column: 2; justify-self: start; min-height: 2.75rem; padding: 0; border: 0; background: transparent; color: var(--color-muted); font: 600 .8125rem/1rem var(--font-mono); }
.project-root form { width: min(100%, 46rem); margin-inline: auto; }
.project-root form h1 { max-width: 14ch; }
.policy-nav { display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-6); padding-block: var(--space-5); border-bottom: 1px solid var(--color-rule); font-family: var(--font-mono); font-size: var(--type-meta); font-weight: 600; line-height: 1.25rem; letter-spacing: .04em; }
.policy-nav a { min-height: 2.75rem; display: inline-flex; align-items: center; }
.policy-sections { width: min(100%, 52rem); }
.policy-sections section { scroll-margin-top: 6rem; padding-block: var(--space-12); border-bottom: 1px solid var(--color-rule); }
.policy-sections h2 { margin: 0 0 var(--space-5); font-size: 1.953125rem; line-height: 2.5rem; }
.policy-sections p { max-width: 65ch; margin: 0 0 var(--space-4); color: var(--color-text-soft); font-size: 1rem; line-height: 1.5rem; }
.policy-sections p:last-child { margin-bottom: 0; }
.policy-sections p a { color: var(--color-accent); text-decoration: underline; text-underline-offset: .25rem; }
[data-live] { position: fixed; bottom: var(--space-4); left: 50%; z-index: 100; transform: translateX(-50%); }

@media (min-width: 40rem) {
  .store-header { padding-inline: max(var(--space-6), env(safe-area-inset-left)) max(var(--space-6), env(safe-area-inset-right)); }
  .store-main { padding-block: var(--space-20) var(--space-32); }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .store-footer { grid-template-columns: 1fr auto; padding-inline: max(var(--space-6), env(safe-area-inset-left)) max(var(--space-6), env(safe-area-inset-right)); }
  .store-nav { gap: var(--space-2); }
  .service-offer { grid-template-columns: 3rem minmax(0, 2fr) minmax(12rem, 1fr); }
  .service-offer .text-link { grid-column: 2; }
}

@media (max-width: 23.999rem) {
  .store-wordmark { max-width: 8rem; font-size: .8125rem; letter-spacing: .1em; }
  .store-nav a { padding-inline: var(--space-1); font-size: .8125rem; }
  .store-nav--three a:first-child { display: none; }
}

@media (min-width: 64rem) {
  .store-header { padding-inline: max(var(--space-10), env(safe-area-inset-left)) max(var(--space-10), env(safe-area-inset-right)); }
  .store-nav { gap: var(--space-4); }
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .product-detail { grid-template-columns: minmax(0, 1.08fr) minmax(24rem, .92fr); gap: var(--space-16); }
  .product-detail__copy { position: sticky; top: 7rem; }
  .cart-layout, .checkout-layout { grid-template-columns: minmax(0, 1fr) 22rem; gap: var(--space-16); }
  .order-summary { position: sticky; top: 7rem; }
  .store-footer { padding-inline: max(var(--space-10), env(safe-area-inset-left)) max(var(--space-10), env(safe-area-inset-right)); }
  .library-list article { grid-template-columns: 7rem 1fr auto; align-items: center; }
  .library-list button { grid-column: 3; }
}

@media (prefers-reduced-motion: reduce) {
  .product-card > a .product-art { transition: none; }
}