:root {
  color-scheme: light;
  --ink: #2d1d17;
  --accent: #8b382b;
  --muted: #69554a;
  --line: #dfd3c7;
  --paper: #faf6ef;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --serif: "Songti SC", "Noto Serif CJK SC", SimSun, serif;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
img { display: block; max-width: 100%; }

.skip {
  position: absolute;
  z-index: 2;
  top: 8px;
  left: 8px;
  padding: 12px;
  background: var(--paper);
  transform: translateY(-150%);
}
.skip:focus { transform: none; }

.shell { width: min(1260px, calc(100% - 112px)); margin-inline: auto; }
.header {
  min-height: 94px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}
.wordmark { display: grid; gap: 4px; justify-items: center; color: #18654d; }
.wordmark img { width: clamp(76px, 10vw, 110px); height: auto; }
.wordmark span { font-size: 11px; font-weight: 600; letter-spacing: .16em; }
nav { display: flex; align-items: center; gap: clamp(14px, 3vw, 38px); font-size: 14px; }
nav a, .text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}
nav a:hover, .text-link:hover, nav a[aria-current="page"] { color: var(--accent); }
nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 7px; }

.hero {
  display: grid;
  grid-template-columns: .95fr 1.25fr;
  align-items: center;
  gap: clamp(28px, 6vw, 90px);
  padding-block: clamp(52px, 8vw, 118px);
}
.hero-image { width: 100%; height: auto; aspect-ratio: 5 / 4; object-fit: cover; }
.eyebrow { color: var(--accent); font-size: 14px; font-weight: 600; letter-spacing: .08em; }
h1, h2 { font-family: var(--serif); }
h1 {
  margin: 20px 0 24px;
  font-size: clamp(45px, 6vw, 91px);
  line-height: 1.13;
  letter-spacing: -.04em;
}
h2 { margin: 0; font-size: clamp(29px, 3.5vw, 49px); line-height: 1.28; }
.description { margin: 0; max-width: 36em; color: var(--muted); line-height: 1.85; }
.description + .description { margin-top: 18px; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 24px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  min-height: 48px;
  padding: 0 20px;
  background: var(--accent);
  color: white;
  font-size: 14px;
}
.button:hover { background: #66271e; }
.text-link { color: var(--accent); border-bottom: 1px solid var(--line); font-size: 14px; }
.text-link:hover { border-color: currentColor; }

.section {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 32px;
  border-top: 1px solid var(--line);
  padding-block: clamp(44px, 7vw, 96px);
}
.section .text-link { margin-top: 12px; }
.partner { display: flex; align-items: center; gap: 18px; }
.partner img { width: 72px; height: auto; }
.partner p { margin: 0; font-weight: 600; line-height: 1.65; }
.partner span { display: block; color: var(--muted); font-size: 14px; font-weight: 400; }
.email {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: clamp(23px, 3vw, 36px);
}
.email:hover { text-decoration: underline; }
.email span { font-size: .6em; }
.locations { list-style: none; margin: 0; padding: 0; color: var(--muted); line-height: 1.8; }
.locations li + li { margin-top: 14px; }
.footer { border-top: 1px solid var(--line); padding-block: 28px; text-align: center; font-size: 13px; color: var(--muted); }
.footer p { margin: 7px 0; }
.filing { text-decoration: underline; text-underline-offset: 3px; }

.page-heading { padding-block: clamp(48px, 8vw, 107px) clamp(32px, 5vw, 62px); }
.page-heading h1 { margin: 0 0 20px; font-size: clamp(39px, 6vw, 78px); }
.page-heading .eyebrow { margin: 0 0 18px; }
.lab { min-height: clamp(320px, 55vh, 600px); }
.category-nav { gap: 10px 26px; flex-wrap: wrap; margin-top: 22px; }
.category-nav a { border-bottom: 1px solid var(--line); }
.category-nav a:hover { border-color: var(--accent); }
.product-group, .home-products {
  border-top: 1px solid var(--line);
  padding-block: clamp(36px, 5vw, 72px);
  scroll-margin-top: 16px;
}
.product-group h2 { margin-bottom: 25px; font-size: clamp(25px, 3vw, 38px); }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 28px; }
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2.3vw, 30px);
  margin: 0;
  padding: 0;
  list-style: none;
}
.category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.product-grid img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #3a1a12;
}
.product-grid h3, .category-grid a > span {
  display: block;
  margin: 12px 0 0;
  font-size: clamp(14px, 1.55vw, 18px);
  font-weight: 600;
}
.category-grid a { display: block; }
.category-grid a > span { display: flex; justify-content: space-between; align-items: center; min-height: 34px; }
.category-grid a:hover { color: var(--accent); }

@media (max-width: 900px) {
  .shell { width: calc(100% - 56px); }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 650px) {
  .shell { width: calc(100% - 36px); }
  .header { min-height: 80px; gap: 10px; }
  nav { gap: 13px; font-size: 13px; }
  .hero, .section { grid-template-columns: 1fr; }
  .hero { gap: 32px; }
  .hero-image { aspect-ratio: 16 / 11; }
  .section { gap: 20px; }
  .product-grid { gap: 22px 14px; }
  .category-grid { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .header { flex-direction: column; align-items: flex-start; padding-top: 18px; gap: 5px; }
  .header nav { width: 100%; justify-content: space-between; gap: 5px; flex-wrap: wrap; }
}

@media (max-width: 360px) {
  .shell { width: calc(100% - 28px); }
  .header nav { font-size: 12px; }
}