:root {
  --rs-ink: #171612;
  --rs-paper: #f4f0e8;
  --rs-card: #fffdf8;
  --rs-line: #d8d0c3;
  --rs-accent: #9b6a2d;
  --rs-focus: #075fcc;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--rs-ink);
  background: var(--rs-paper);
  font: 17px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible + label {
  outline: 3px solid var(--rs-focus);
  outline-offset: 4px;
}
.rs-skip {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: #fff;
  transform: translateY(-160%);
}
.rs-skip:focus { transform: none; }
.rs-wrap { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.rs-header { border-bottom: 1px solid var(--rs-line); background: rgba(244,240,232,.96); }
.rs-header__inner { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.rs-brand { font-weight: 800; letter-spacing: .08em; text-decoration: none; }
.rs-header nav { display: flex; gap: 20px; }
.rs-breadcrumb { padding: 24px 0 0; font-size: .9rem; color: #5e594f; }
.rs-breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.rs-breadcrumb li + li::before { content: "/"; margin-right: 8px; }
.rs-hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 48px; padding: 32px 0 76px; }
.rs-gallery { min-width: 0; }
.rs-main-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
  border-radius: 20px;
}
.rs-image-status { min-height: 1.6em; margin: 8px 0 0; color: #5e594f; font-size: .9rem; }
.rs-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 12px; }
.rs-thumb { padding: 0; border: 2px solid transparent; border-radius: 12px; background: #fff; cursor: pointer; overflow: hidden; }
.rs-thumb[aria-current="true"] { border-color: var(--rs-ink); }
.rs-thumb img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.rs-kicker { margin: 0 0 8px; color: var(--rs-accent); font-size: .8rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.13; text-wrap: balance; }
h1 { margin: 0; font: 600 clamp(2.5rem, 6vw, 5rem)/.98 Georgia, serif; }
.rs-lead { margin: 24px 0; font-size: 1.15rem; }
.rs-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 24px 0; }
.rs-fact { padding: 14px; border: 1px solid var(--rs-line); border-radius: 12px; background: rgba(255,255,255,.55); }
.rs-fact strong { display: block; }
.rs-colors { padding: 0; border: 0; margin: 28px 0; }
.rs-colors legend { margin-bottom: 12px; font-weight: 750; }
.rs-swatches { display: flex; flex-wrap: wrap; gap: 11px; }
.rs-swatch input { position: absolute; opacity: 0; pointer-events: none; }
.rs-swatch label {
  display: grid;
  width: 47px;
  height: 47px;
  place-items: center;
  border: 2px solid var(--rs-line);
  border-radius: 50%;
  cursor: pointer;
}
.rs-swatch label::before { content: ""; width: 31px; height: 31px; border-radius: 50%; background: var(--swatch); box-shadow: inset 0 0 0 1px rgba(0,0,0,.18); }
.rs-swatch input:checked + label { border-color: var(--rs-ink); box-shadow: 0 0 0 2px var(--rs-paper), 0 0 0 4px var(--rs-ink); }
.rs-selected-color { margin: 12px 0 0; font-weight: 700; }
.rs-actions { display: grid; gap: 12px; }
.rs-button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 12px 20px; border: 1px solid var(--rs-ink); border-radius: 999px; text-align: center; text-decoration: none; font-weight: 750; }
.rs-button--primary { color: #fff; background: var(--rs-ink); }
.rs-help { color: #5e594f; font-size: .88rem; }
.rs-section { padding: 76px 0; border-top: 1px solid var(--rs-line); }
.rs-section h2 { max-width: 18ch; margin: 0 0 28px; font: 600 clamp(2rem, 4vw, 3.5rem)/1.05 Georgia, serif; }
.rs-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 54px; }
.rs-specs { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; margin: 0; }
.rs-specs div { padding: 18px; border-bottom: 1px solid var(--rs-line); }
.rs-specs dt { font-weight: 750; }
.rs-specs dd { margin: 4px 0 0; color: #514c43; }
.rs-process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 0; counter-reset: step; list-style: none; }
.rs-process li { min-height: 180px; padding: 22px; background: var(--rs-card); border-radius: 16px; }
.rs-process li::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: block; margin-bottom: 30px; color: var(--rs-accent); font-weight: 800; }
.rs-related { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.rs-related a { padding: 22px; border: 1px solid var(--rs-line); border-radius: 14px; background: var(--rs-card); text-decoration: none; }
.rs-footer { padding: 42px 0; color: #dfdbd3; background: #171612; }
.rs-footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; }

@media (max-width: 820px) {
  .rs-header nav { display: none; }
  .rs-hero, .rs-columns { grid-template-columns: 1fr; }
  .rs-hero { gap: 28px; padding-bottom: 52px; }
  .rs-process { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .rs-wrap { width: min(100% - 28px, 1180px); }
  .rs-main-image { border-radius: 12px; }
  .rs-facts, .rs-specs, .rs-process, .rs-related { grid-template-columns: 1fr; }
  .rs-thumbs { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .rs-section { padding: 54px 0; }
  .rs-button { width: 100%; }
}

@media (max-width: 820px) {
  .rs-header__inner { align-items: flex-start; flex-direction: column; padding-block: 14px; }
  .rs-header nav { display: flex; flex-wrap: wrap; gap: 12px 18px; }
}