:root {
  --paper: #f2f0eb;
  --paper-soft: #e7e4dd;
  --paper-deep: #d8d4cb;
  --ink: #11120f;
  --graphite: #252822;
  --graphite-soft: #33372f;
  --steel: #8d9692;
  --steel-deep: #59615e;
  --brass: #b08a4d;
  --brass-deep: #7d5d2d;
  --seal: #8b3430;
  --line: rgba(17, 18, 15, 0.15);
  --line-light: rgba(242, 240, 235, 0.18);
  --max: 1360px;
  --gutter: clamp(20px, 4vw, 72px);
  --section-space: clamp(84px, 11vw, 160px);
  --serif: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  background: var(--paper);
  overflow-x: clip;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

body.menu-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

p,
h1,
h2,
h3,
dl,
dd,
ol {
  margin-top: 0;
}

h1,
h2,
h3 {
  margin-bottom: 0.48em;
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.08;
}

h1 {
  font-size: clamp(3rem, 7vw, 7.2rem);
}

h2 {
  font-size: clamp(2.35rem, 4.4vw, 5rem);
}

h3 {
  font-size: clamp(1.4rem, 2vw, 2.2rem);
}

p {
  color: color-mix(in srgb, var(--ink) 76%, transparent);
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.screen-reader-text:focus,
.skip-link:focus {
  top: 12px;
  left: 12px;
  z-index: 9999;
  width: auto;
  height: auto;
  padding: 10px 14px;
  clip: auto;
  color: var(--paper);
  background: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid transparent;
  transition: background 250ms var(--ease), border-color 250ms var(--ease), transform 250ms var(--ease);
}

.site-header.is-scrolled,
.admin-bar .site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(242, 240, 235, 0.94);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  width: min(100% - (var(--gutter) * 2), var(--max));
  min-height: 76px;
  margin: 0 auto;
}

.admin-bar .site-header {
  top: 32px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  color: var(--paper);
  font-weight: 700;
  letter-spacing: 0;
}

.brand__mark {
  font-size: 1.1rem;
}

.brand__word {
  margin-left: 3px;
  color: var(--brass);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
}

.custom-logo-link img {
  width: auto;
  max-height: 46px;
}

.site-header.is-scrolled .brand {
  color: var(--ink);
}

.primary-navigation {
  justify-self: center;
}

.primary-menu {
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.primary-menu a {
  color: color-mix(in srgb, var(--paper) 82%, transparent);
  font-size: 0.88rem;
  transition: color 180ms ease;
}

.site-header.is-scrolled .primary-menu a {
  color: color-mix(in srgb, var(--ink) 72%, transparent);
}

.primary-menu a:hover,
.primary-menu .current-menu-item > a {
  color: var(--brass);
}

.header-action {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid color-mix(in srgb, var(--paper) 34%, transparent);
  color: var(--paper);
  font-size: 0.86rem;
  transition: 180ms ease;
}

.site-header.is-scrolled .header-action {
  border-color: var(--ink);
  color: var(--ink);
}

.header-action:hover {
  border-color: var(--brass);
  background: var(--brass);
  color: var(--ink);
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border: 0;
  color: var(--paper);
  background: transparent;
  cursor: pointer;
}

.site-header.is-scrolled .menu-toggle {
  color: var(--ink);
}

.menu-toggle__label {
  font-size: 0.84rem;
}

.menu-toggle__lines,
.menu-toggle__lines::before,
.menu-toggle__lines::after {
  display: block;
  width: 22px;
  height: 1px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle__lines {
  position: relative;
}

.menu-toggle__lines::before,
.menu-toggle__lines::after {
  position: absolute;
  left: 0;
  content: "";
}

.menu-toggle__lines::before {
  top: -7px;
}

.menu-toggle__lines::after {
  top: 7px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__lines {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__lines::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  min-height: min(920px, 100vh);
  padding: 140px var(--gutter) 90px;
  color: var(--paper);
  background: var(--ink);
  overflow: hidden;
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242, 240, 235, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 240, 235, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 86%);
}

.hero__copy,
.hero__stage {
  position: relative;
  z-index: 1;
}

.hero__copy {
  min-width: 0;
  max-width: 670px;
}

.hero__eyebrow,
.eyebrow {
  margin-bottom: 22px;
  color: var(--brass);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.hero__eyebrow {
  color: color-mix(in srgb, var(--brass) 78%, var(--paper));
}

.hero h1 {
  max-width: 9.5em;
  margin-bottom: 30px;
  font-size: clamp(3rem, 4.5vw, 4.5rem);
}

.hero__lead {
  max-width: 560px;
  margin-bottom: 34px;
  color: color-mix(in srgb, var(--paper) 72%, transparent);
  font-size: clamp(1rem, 1.25vw, 1.18rem);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-bottom: 56px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: 180ms ease;
}

.button--light {
  color: var(--ink);
  background: var(--paper);
}

.button--light:hover {
  background: var(--brass);
}

.button--dark {
  margin-top: 24px;
  color: var(--paper);
  background: var(--ink);
}

.button--dark:hover {
  background: var(--brass);
  color: var(--ink);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.8;
}

.text-link::after {
  content: "↗";
  font-size: 0.8em;
  transition: transform 180ms ease;
}

.text-link:hover::after {
  transform: translate(3px, -3px);
}

.text-link--light {
  color: var(--paper);
}

.hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 660px;
  margin: 0;
  border-top: 1px solid var(--line-light);
}

.hero__facts div {
  padding: 18px 18px 0 0;
}

.hero__facts dt {
  margin-bottom: 6px;
  color: color-mix(in srgb, var(--paper) 48%, transparent);
  font-size: 0.72rem;
}

.hero__facts dd {
  margin: 0;
  color: var(--paper);
  font-size: 0.82rem;
}

.hero__stage {
  justify-self: end;
  width: min(100%, 820px);
  aspect-ratio: 1 / 0.92;
}

.hero__halo {
  position: absolute;
  inset: 12% 4% 8% 12%;
  border: 1px solid rgba(176, 138, 77, 0.34);
  transform: rotate(5deg);
}

.hero-frame {
  position: absolute;
  width: 62%;
  padding: 14px;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.4);
  transition: transform 500ms var(--ease);
}

.hero-frame--wood {
  top: 5%;
  left: 5%;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.18), transparent 28%),
    linear-gradient(90deg, #4e3528, #6f4936 48%, #3e2b23);
}

.hero-frame--metal {
  right: 0;
  bottom: 1%;
  width: 54%;
  padding: 8px;
  background:
    linear-gradient(135deg, #ead8a7, #8c7447 38%, #d8c38d 50%, #7b663f 72%, #e1ce9c);
}

.hero-frame__mat {
  padding: clamp(28px, 5vw, 76px);
  background: var(--paper);
}

.hero-frame--metal .hero-frame__mat {
  padding: clamp(22px, 4vw, 58px);
  background: #e4e5df;
}

.hero-frame__paper {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  min-height: clamp(250px, 31vw, 430px);
  padding: 36px;
  border: 1px solid #c9c2b2;
  background: #faf8f2;
  text-align: center;
}

.hero-frame__paper--dark {
  color: var(--paper);
  border-color: #343730;
  background: #1d201b;
}

.hero-frame__small {
  margin-bottom: 20px;
  color: var(--brass-deep);
  font-size: clamp(0.55rem, 0.8vw, 0.75rem);
  letter-spacing: 0.22em;
}

.hero-frame__name {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 4.5rem);
  line-height: 1;
}

.hero-frame__paper--dark .hero-frame__name {
  color: var(--paper);
}

.hero-frame__rule {
  width: 42px;
  height: 1px;
  margin: 24px 0;
  background: var(--brass);
}

.hero-frame__micro {
  max-width: 18em;
  color: color-mix(in srgb, var(--ink) 52%, transparent);
  font-size: clamp(0.62rem, 0.8vw, 0.75rem);
}

.hero-frame__paper--dark .hero-frame__micro {
  color: color-mix(in srgb, var(--paper) 54%, transparent);
}

.hero-frame__seal,
.frame-art__seal {
  position: relative;
  display: block;
  width: 44px;
  height: 44px;
  margin-top: 24px;
  border: 2px solid var(--seal);
  border-radius: 50%;
  opacity: 0.78;
}

.hero-frame__seal::before,
.hero-frame__seal::after,
.frame-art__seal::before,
.frame-art__seal::after {
  position: absolute;
  inset: 8px;
  border: 1px solid var(--seal);
  content: "";
}

.hero-frame__seal::after,
.frame-art__seal::after {
  inset: 15px;
}

.marquee-line {
  padding: 20px var(--gutter);
  border-bottom: 1px solid var(--line);
  background: var(--paper-soft);
  overflow: hidden;
}

.marquee-line > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.marquee-line span {
  color: var(--steel-deep);
  font-size: 0.78rem;
  white-space: nowrap;
}

.material-section,
.collection-section,
.use-section,
.content-shell {
  width: min(100% - (var(--gutter) * 2), var(--max));
  margin: 0 auto;
}

.material-section {
  padding: var(--section-space) 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: clamp(50px, 7vw, 96px);
}

.section-heading p:last-child {
  max-width: 620px;
  margin-bottom: 0;
  font-size: 1.04rem;
}

.section-heading--row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  max-width: none;
}

.section-heading--row h2 {
  margin-bottom: 0;
}

.material-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.material-panel {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 680px;
  padding: clamp(28px, 4vw, 54px);
  overflow: hidden;
}

.material-panel--wood {
  background: #e8e1d7;
}

.material-panel--metal {
  background: #dce0dd;
}

.material-panel__index {
  display: block;
  margin-bottom: 28px;
  color: var(--brass-deep);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
}

.material-panel h3 {
  margin-bottom: 18px;
}

.material-panel p {
  max-width: 500px;
  margin-bottom: 22px;
}

.material-panel__visual {
  display: flex;
  align-items: end;
  justify-content: center;
  padding-top: 46px;
}

.frame-art {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 0.76;
  padding: 4.2%;
  background: #654534;
  box-shadow: 0 18px 48px rgba(30, 24, 18, 0.2);
}

.frame-art--large {
  width: min(68%, 320px);
  transform: translateY(18px);
}

.frame-art--detail {
  width: min(100%, 560px);
  margin: 0 auto;
}

.frame-art--walnut {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent 22%),
    linear-gradient(90deg, #463025, #7b523b 48%, #3b2921);
}

.frame-art--oak {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.28), transparent 24%),
    linear-gradient(90deg, #a77b50, #cea77b 48%, #8d633f);
}

.frame-art--black {
  background: linear-gradient(135deg, #2a2b27, #11120f 48%, #343630);
}

.frame-art--champagne {
  background:
    linear-gradient(135deg, #ead8a7, #8c7447 38%, #d8c38d 50%, #7b663f 72%, #e1ce9c);
}

.frame-art--silver {
  background: linear-gradient(135deg, #f0f1ed, #777f7c 42%, #e8ebe8 54%, #616966);
}

.frame-art--black-titanium {
  background: linear-gradient(135deg, #606662, #161817 44%, #828b86 56%, #262925);
}

.frame-art__mat {
  display: block;
  width: 100%;
  height: 100%;
  padding: 15%;
  background: #ece9e0;
}

.frame-art__paper {
  position: relative;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 12%;
  border: 1px solid #c8c1b1;
  background: #faf8f2;
  text-align: center;
}

.frame-art__paper--dark {
  border-color: #383c36;
  background: #20231e;
}

.frame-art__title {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(0.9rem, 1.7vw, 1.6rem);
  letter-spacing: 0.12em;
}

.frame-art__paper--dark .frame-art__title {
  color: var(--paper);
}

.frame-art__rule {
  width: 34px;
  height: 1px;
  margin: 18px 0;
  background: var(--brass);
}

.frame-art__line {
  width: 72%;
  height: 1px;
  margin-top: 9px;
  background: #c8c1b1;
}

.frame-art__line--short {
  width: 46%;
}

.frame-art__seal {
  width: 34px;
  height: 34px;
  margin-top: 22px;
}

.collection-section {
  padding: var(--section-space) 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 44px);
}

.product-card {
  min-width: 0;
}

.product-card__visual {
  display: block;
  padding: clamp(28px, 4vw, 54px);
  background: #e7e3da;
  overflow: hidden;
}

.product-card:nth-child(2) .product-card__visual {
  background: #dfe3e0;
}

.product-card:nth-child(3) .product-card__visual {
  background: #2b2d29;
}

.product-card__visual img {
  width: 100%;
  aspect-ratio: 0.76;
  object-fit: cover;
  transition: transform 500ms var(--ease);
}

.product-card__visual .frame-art {
  transition: transform 500ms var(--ease);
}

.product-card:hover .frame-art,
.product-card:hover .product-card__visual img {
  transform: translateY(-8px);
}

.product-card__meta {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 22px;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  margin-top: 22px;
}

.product-card__meta h3 {
  margin-bottom: 8px;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 650;
}

.product-card__meta p {
  margin: 0;
  color: var(--steel-deep);
  font-size: 0.82rem;
}

.product-card__price {
  flex: 0 0 auto;
  color: var(--ink) !important;
  font-weight: 650;
}

.craft-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(60px, 9vw, 150px);
  padding: var(--section-space) var(--gutter);
  color: var(--paper);
  background: var(--graphite);
}

.craft-section__intro {
  max-width: 600px;
}

.craft-section .eyebrow,
.custom-section .eyebrow {
  color: var(--brass);
}

.craft-section h2 {
  color: var(--paper);
}

.craft-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.craft-list li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 28px;
  padding: 34px 0;
  border-top: 1px solid var(--line-light);
}

.craft-list li:last-child {
  border-bottom: 1px solid var(--line-light);
}

.craft-list > li > span {
  color: var(--brass);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.craft-list h3 {
  color: var(--paper);
  font-family: var(--sans);
  font-size: 1.1rem;
}

.craft-list p {
  max-width: 640px;
  margin-bottom: 0;
  color: color-mix(in srgb, var(--paper) 62%, transparent);
}

.use-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(60px, 9vw, 150px);
  padding: var(--section-space) 0;
}

.use-section__title {
  align-self: start;
}

.use-section__title h2 {
  max-width: 7.5em;
}

.use-list {
  border-top: 1px solid var(--line);
}

.use-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 220ms var(--ease), color 220ms ease;
}

.use-row span {
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.3vw, 2.6rem);
}

.use-row small {
  color: var(--steel-deep);
  font-size: 0.8rem;
  text-align: right;
}

.use-row:hover {
  padding-left: 14px;
  color: var(--brass-deep);
}

.custom-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 72px;
  padding: var(--section-space) max(var(--gutter), calc((100vw - var(--max)) / 2));
  color: var(--paper);
  background: var(--ink);
}

.custom-section h2 {
  max-width: 12em;
  color: var(--paper);
}

.custom-section p {
  max-width: 600px;
  color: color-mix(in srgb, var(--paper) 68%, transparent);
}

.custom-section__action {
  min-width: 230px;
  text-align: right;
}

.custom-section__action p {
  margin: 12px 0 0;
  font-size: 0.78rem;
}

.site-footer {
  padding: 70px var(--gutter) 28px;
  color: var(--paper);
  background: #0c0d0b;
}

.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(180px, 0.45fr) minmax(180px, 0.45fr);
  gap: 60px;
  width: min(100%, var(--max));
  margin: 0 auto 70px;
}

.brand--footer {
  margin-bottom: 22px;
}

.site-footer p {
  margin-bottom: 8px;
  color: color-mix(in srgb, var(--paper) 60%, transparent);
  font-size: 0.84rem;
}

.site-footer strong {
  color: var(--paper);
  font-weight: 600;
}

.site-footer a:hover {
  color: var(--brass);
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(100%, var(--max));
  padding-top: 24px;
  border-top: 1px solid var(--line-light);
  margin: 0 auto;
}

.site-footer__bottom p {
  margin: 0;
  font-size: 0.74rem;
}

.site-main {
  min-height: 70vh;
}

.page-hero {
  padding: 170px max(var(--gutter), calc((100vw - var(--max)) / 2)) 90px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-soft);
}

.page-hero h1 {
  max-width: 12em;
  font-size: clamp(2.7rem, 6vw, 6rem);
}

.page-hero p:last-child {
  max-width: 650px;
}

.content-shell {
  padding: var(--section-space) 0;
}

.post-list__item {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.post-list__date {
  margin-bottom: 10px;
  color: var(--steel-deep);
  font-size: 0.78rem;
}

.post-list__item h2 {
  font-size: clamp(1.7rem, 2.5vw, 2.8rem);
}

.entry-content > * {
  max-width: 760px;
}

.entry-content img {
  width: auto;
  max-width: 100%;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  min-height: 100vh;
  padding-top: 76px;
}

.product-detail__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 720px;
  padding: clamp(40px, 7vw, 100px);
  background: var(--paper-soft);
}

.product-detail__visual img {
  width: min(100%, 620px);
  box-shadow: 0 18px 48px rgba(30, 24, 18, 0.2);
}

.product-detail__copy {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px, 7vw, 110px);
}

.product-detail__copy h1 {
  max-width: 10em;
  margin-bottom: 24px;
  font-size: clamp(2.8rem, 4.8vw, 5.4rem);
}

.product-specs {
  width: min(100%, 580px);
  margin: 30px 0 16px;
  border-top: 1px solid var(--line);
}

.product-specs div {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.product-specs dt {
  color: var(--steel-deep);
  font-size: 0.84rem;
}

.product-specs dd {
  margin: 0;
  font-size: 0.9rem;
  text-align: right;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .site-header__inner {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .header-action {
    display: none;
  }

  .primary-navigation {
    position: fixed;
    inset: 76px 0 auto;
    display: grid;
    max-height: 0;
    padding: 0 var(--gutter);
    background: var(--paper);
    overflow: hidden;
    transition: max-height 300ms var(--ease), padding 300ms var(--ease);
  }

  .primary-navigation.is-open {
    max-height: calc(100vh - 76px);
    padding-top: 28px;
    padding-bottom: 36px;
    border-bottom: 1px solid var(--line);
  }

  .primary-menu {
    align-items: stretch;
    flex-direction: column;
    gap: 0;
  }

  .primary-menu li {
    border-bottom: 1px solid var(--line);
  }

  .primary-menu a,
  .site-header.is-scrolled .primary-menu a {
    display: block;
    padding: 16px 0;
    color: var(--ink);
    font-family: var(--serif);
    font-size: 1.5rem;
  }

  .hero {
    grid-template-columns: 1fr;
    align-items: start;
    min-height: auto;
    padding-top: 130px;
  }

  .hero__copy {
    z-index: 2;
    max-width: 760px;
  }

  .hero__stage {
    justify-self: center;
    width: min(100%, 720px);
    margin-top: 30px;
  }

  .material-panel {
    min-height: 600px;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-card:last-child {
    grid-column: 1 / -1;
    width: calc(50% - 11px);
  }

  .craft-section,
  .use-section {
    grid-template-columns: 1fr;
  }

  .custom-section {
    grid-template-columns: 1fr;
  }

  .custom-section__action {
    text-align: left;
  }

  .product-detail {
    grid-template-columns: 1fr;
    padding-top: 76px;
  }

  .product-detail__visual {
    min-height: auto;
  }
}

@media (max-width: 720px) {
  :root {
    --section-space: 84px;
  }

  .site-header__inner,
  .site-header.is-scrolled .site-header__inner {
    min-height: 68px;
  }

  .admin-bar .site-header {
    top: 46px;
  }

  .primary-navigation {
    inset-block-start: 68px;
  }

  .hero {
    padding-top: 112px;
    padding-bottom: 70px;
  }

  .hero h1 {
    max-width: 7.5em;
    font-size: clamp(2.7rem, 10vw, 3.6rem);
  }

  .hero__actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 42px;
  }

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

  .hero__facts div {
    padding-right: 0;
  }

  .hero__stage {
    aspect-ratio: 1 / 1.1;
  }

  .hero-frame {
    width: 72%;
  }

  .hero-frame--metal {
    width: 64%;
  }

  .hero-frame__mat {
    padding: 24px;
  }

  .hero-frame--metal .hero-frame__mat {
    padding: 18px;
  }

  .hero-frame__paper {
    min-height: 210px;
    padding: 20px;
  }

  .hero-frame__name {
    font-size: 2rem;
  }

  .marquee-line > div {
    justify-content: flex-start;
    width: max-content;
    animation: marquee 25s linear infinite;
  }

  .material-split {
    grid-template-columns: 1fr;
  }

  .material-panel {
    min-height: 560px;
  }

  .section-heading--row {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .product-card:last-child {
    grid-column: auto;
    width: auto;
  }

  .use-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .use-row small {
    text-align: left;
  }

  .site-footer__top {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .site-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .page-hero {
    padding-top: 126px;
  }

  .product-detail__copy {
    padding: 42px 20px 80px;
  }
}

@keyframes marquee {
  to {
    transform: translateX(-45%);
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}
