*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: #ffffff;
  color: #000000;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.4;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  margin-inline: auto;
}

main {
  width: min(100% - 2.5rem, 1080px);
  margin-inline: auto;
  padding-block: 2.5rem 1.25rem;
}

.site-title {
  margin: 0 0 2.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-align: center;
}

.products {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
}

@media (min-width: 720px) {
  .products {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 2.5rem;
  }

  .product img {
    max-height: calc(100svh - 15.5rem);
    width: auto;
  }
}

.product {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

h2 {
  margin: 1rem 0 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.price {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

.price-note {
  margin: 0.2rem 0 0;
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  color: #666666;
}

.size-picker {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.15rem 0.35rem;
  margin: 0.45rem 0 0;
}

.toggles {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.15rem 0.35rem;
  margin: 0.65rem 0 0;
}

.toggle {
  appearance: none;
  background: none;
  border: 0;
  padding: 0.1rem 0.15rem;
  font: inherit;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: #999999;
  cursor: pointer;
}

.toggle:hover,
.toggle:focus-visible {
  color: #000000;
}

.toggle.is-active {
  color: #000000;
}

.toggle-gap {
  color: #cccccc;
  font-size: 0.7rem;
}

.add-to-cart {
  appearance: none;
  margin-top: 1.1rem;
  padding: 0.7rem 1.5rem;
  background: #000000;
  color: #ffffff;
  border: 0;
  border-radius: 4px;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  cursor: pointer;
}

.add-to-cart:hover,
.add-to-cart:focus-visible {
  background: #222222;
}

.add-to-cart:disabled {
  cursor: wait;
  opacity: 0.7;
}

footer {
  width: min(100% - 2.5rem, 1080px);
  margin-inline: auto;
  padding-block: 1.75rem 2rem;
  text-align: center;
}

footer p {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.contact {
  margin-top: 0.35rem;
  color: #666666;
}

.contact a {
  color: inherit;
}

.social {
  margin-top: 0.35rem;
  color: #666666;
}

.social a {
  color: inherit;
}

.social a:hover,
.social a:focus-visible {
  color: #000000;
}

.cart-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

#cart-toggle,
#checkout {
  appearance: none;
  padding: 0.45rem 0.9rem;
  background: #000000;
  color: #ffffff;
  border: 0;
  border-radius: 4px;
  font: inherit;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  cursor: pointer;
}

#cart-toggle:hover,
#cart-toggle:focus-visible,
#checkout:hover,
#checkout:focus-visible {
  background: #222222;
}

#checkout:disabled {
  background: #cccccc;
  cursor: not-allowed;
}

#cart-panel {
  max-width: 22rem;
  margin: 0 auto 1.1rem;
  padding: 1rem 1.1rem 1.15rem;
  border: 1px solid #eeeeee;
  text-align: center;
}

.cart-panel-title {
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

#cart-lines {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
  text-align: left;
}

#cart-lines li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0 0 0.45rem;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
}

.qty-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.15rem;
}

.qty-btn {
  appearance: none;
  width: 1.15rem;
  height: 1.15rem;
  padding: 0;
  border: 1px solid #cccccc;
  border-radius: 3px;
  background: #ffffff;
  color: #000000;
  font: inherit;
  font-size: 0.7rem;
  line-height: 1;
  cursor: pointer;
}

.qty-btn:hover,
.qty-btn:focus-visible {
  background: #000000;
  color: #ffffff;
  border-color: #000000;
}

.qty-btn:disabled {
  opacity: 0.5;
  cursor: wait;
}

.qty-value {
  min-width: 1rem;
  text-align: center;
}

#cart-empty {
  margin-bottom: 0.85rem;
  color: #666666;
}

#cart-total {
  margin: 0 0 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

#cart-panel #checkout {
  width: 100%;
}

.shipping-note {
  margin: 0.75rem 0 0;
  color: #666666;
}

.checkout-note {
  margin: 0.5rem 0 0;
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  color: #999999;
}

.cart-error {
  margin: 0 0 0.85rem;
  color: #a10000;
}