:root {
  --ink: #0a0a09;
  --paper: #f1efe8;
  --gold: #bca56b;
  --line: rgba(10, 10, 9, 0.18);
  --sans: "DM Sans", Arial, sans-serif;
  --serif: "Italiana", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: 0;
  color: inherit;
  cursor: pointer;
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  background: var(--paper);
  left: 16px;
  padding: 12px 16px;
  position: fixed;
  top: -60px;
  z-index: 100;
}

.skip-link:focus {
  top: 16px;
}

.product-header {
  align-items: center;
  background: var(--ink);
  color: #f7f6f1;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  min-height: 76px;
  padding: 0 30px;
}

.product-back,
.product-bag {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.product-bag {
  justify-self: end;
}

.product-bag span {
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  display: inline-flex;
  height: 24px;
  justify-content: center;
  margin-left: 6px;
  width: 24px;
}

.product-brand {
  font-family: var(--serif);
  font-size: 1.65rem;
  letter-spacing: 0.18em;
}

.product-brand small {
  color: var(--gold);
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0;
}

.product-page {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(380px, 0.75fr);
  min-height: calc(100svh - 76px);
}

.product-visual {
  background: #d4d0c5;
  min-height: 720px;
}

.product-visual img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.product-detail {
  align-self: center;
  max-width: 640px;
  padding: clamp(44px, 7vw, 108px);
}

.breadcrumbs {
  color: rgba(10, 10, 9, 0.55);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.75rem;
  gap: 8px;
  margin-bottom: 70px;
}

.breadcrumbs a:hover {
  color: var(--ink);
}

.product-kicker {
  color: rgba(10, 10, 9, 0.56);
  font-size: 0.75rem;
  letter-spacing: 0.17em;
  margin: 0 0 15px;
  text-transform: uppercase;
}

.product-detail h1 {
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 6.25rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.93;
  margin: 0;
}

.product-price {
  font-size: 1rem;
  margin: 26px 0 42px;
}

.product-description {
  font-size: 1rem;
  line-height: 1.75;
  margin: 0 0 38px;
  max-width: 520px;
}

.product-specs {
  border-top: 1px solid var(--line);
  margin: 0 0 36px;
}

.product-specs div {
  border-bottom: 1px solid var(--line);
  display: grid;
  font-size: 0.875rem;
  gap: 20px;
  grid-template-columns: 100px 1fr;
  padding: 14px 0;
}

.product-specs dt {
  color: rgba(10, 10, 9, 0.53);
}

.product-specs dd {
  margin: 0;
}

.product-sizes {
  border: 0;
  margin: 0 0 22px;
  padding: 0;
}

.product-sizes legend {
  font-size: 0.75rem;
  letter-spacing: 0.13em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.product-sizes div {
  display: flex;
  gap: 7px;
}

.product-sizes button {
  background: transparent;
  border: 1px solid rgba(10, 10, 9, 0.28);
  font-size: 0.875rem;
  height: 44px;
  width: 48px;
}

.product-sizes button.selected {
  background: var(--ink);
  color: #f7f6f1;
}

.product-actions {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr 1fr;
}

.product-actions button {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  min-height: 54px;
  text-transform: uppercase;
}

.product-buy {
  background: var(--gold);
}

.product-add {
  background: var(--ink);
  color: #f7f6f1;
}

.shipping-note {
  color: rgba(10, 10, 9, 0.52);
  font-size: 0.75rem;
  margin: 14px 0 0;
}

.related {
  padding: 110px 30px 130px;
}

.related > p {
  color: rgba(10, 10, 9, 0.52);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  margin: 0 0 12px;
  text-transform: uppercase;
}

.related h2 {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 5vw, 5.5rem);
  font-weight: 400;
  margin: 0 0 44px;
}

.related-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.related-grid img {
  aspect-ratio: 4 / 5;
  margin-bottom: 14px;
  object-fit: cover;
  width: 100%;
}

.related-grid span,
.related-grid strong {
  font-size: 0.875rem;
}

.related-grid strong {
  float: right;
  font-weight: 400;
}

.product-footer {
  align-items: center;
  background: var(--ink);
  color: #f7f6f1;
  display: flex;
  font-size: 0.75rem;
  justify-content: space-between;
  letter-spacing: 0.12em;
  min-height: 110px;
  padding: 30px;
  text-transform: uppercase;
}

.product-footer > a:first-child {
  font-family: var(--serif);
  font-size: 1.75rem;
  letter-spacing: 0.18em;
}

.product-toast {
  background: var(--ink);
  bottom: 24px;
  color: #f7f6f1;
  font-size: 0.875rem;
  left: 50%;
  opacity: 0;
  padding: 14px 18px;
  pointer-events: none;
  position: fixed;
  transform: translate(-50%, 18px);
  transition: opacity 200ms ease, transform 200ms ease;
  z-index: 50;
}

.product-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 860px) {
  .product-header {
    min-height: 66px;
    padding: 0 16px;
  }

  .product-page {
    grid-template-columns: 1fr;
  }

  .product-visual {
    min-height: 0;
  }

  .product-visual img {
    aspect-ratio: 4 / 5;
  }

  .product-detail {
    padding: 52px 18px 80px;
  }

  .breadcrumbs {
    margin-bottom: 44px;
  }

  .product-actions {
    grid-template-columns: 1fr;
  }

  .related {
    padding: 80px 14px 100px;
  }

  .related-grid {
    gap: 9px;
  }

  .related-grid span {
    display: block;
  }

  .related-grid strong {
    float: none;
  }

  .product-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }
}

@media (max-width: 520px) {
  .product-brand small {
    display: none;
  }

  .product-back,
  .product-bag {
    font-size: 0.7rem;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition-duration: 0.01ms !important;
  }
}