:root {
  --ivory: #f2eee5;
  --ivory-deep: #e9e3d8;
  --paper: #faf8f3;
  --stone: #b8b0a4;
  --stone-light: #d8d1c6;
  --ink: #242723;
  --ink-soft: #565a53;
  --night: #20231f;
  --night-soft: #2c302b;
  --copper: #95684a;
  --copper-light: #bc8b68;
  --line: rgba(36, 39, 35, 0.16);
  --line-light: rgba(255, 255, 255, 0.18);
  --shadow: 0 26px 70px rgba(39, 35, 30, 0.14);
  --shell: min(1180px, calc(100vw - 64px));
  --serif: "Iowan Old Style", "Baskerville", "Times New Roman", "Noto Serif TC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--ivory);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.site-arrival-transition {
  display: none;
}

html.from-corporate .site-arrival-transition {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: block;
  background:
    radial-gradient(circle at 50% 48%, #071521 0%, #03070b 45%, #020304 100%);
  opacity: 1;
  pointer-events: none;
  animation: corporate-arrival-reveal 1.15s .06s cubic-bezier(.22, 1, .36, 1) forwards;
}

@keyframes corporate-arrival-reveal {
  0% { opacity: 1; }
  28% { opacity: .94; }
  100% { opacity: 0; visibility: hidden; }
}

body.menu-open,
body.dialog-open {
  overflow: hidden;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

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

p,
h1,
h2,
h3,
dl,
dd,
figure,
ol,
ul {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

:focus-visible {
  outline: 3px solid var(--copper-light);
  outline-offset: 4px;
}

::selection {
  color: var(--paper);
  background: var(--copper);
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.eyebrow {
  color: var(--copper);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  line-height: 1.4;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  padding: 12px 23px;
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.3;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

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

.button-dark:hover {
  background: var(--copper);
}

.button-line {
  border-color: var(--line);
  background: rgba(250, 248, 243, 0.42);
}

.button-line:hover {
  border-color: var(--copper);
  color: var(--copper);
}

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

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

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  border-bottom: 1px solid transparent;
  transition: background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(242, 238, 229, 0.93);
  box-shadow: 0 8px 28px rgba(38, 35, 31, 0.06);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.brand-mark {
  display: inline-flex;
  flex-direction: column;
  flex-shrink: 0;
  line-height: 1;
}

.brand-name {
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: 0.19em;
}

.brand-sub {
  margin-top: 7px;
  color: var(--ink-soft);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.5vw, 36px);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.primary-nav a {
  position: relative;
  padding-block: 8px;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 0;
  padding: 8px 0;
  background: transparent;
  font: inherit;
  letter-spacing: inherit;
  cursor: pointer;
}

.nav-dropdown-trigger:focus-visible {
  outline: none;
}

.nav-dropdown-trigger::after {
  position: absolute;
  right: 100%;
  bottom: 3px;
  left: 0;
  height: 1px;
  background: var(--copper);
  content: "";
  transition: right 180ms ease;
}

.nav-dropdown:hover .nav-dropdown-trigger::after,
.nav-dropdown:focus-within .nav-dropdown-trigger::after,
.nav-dropdown.is-open .nav-dropdown-trigger::after {
  right: 0;
}

.nav-dropdown-icon {
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 180ms ease;
}

.nav-dropdown-panel {
  position: absolute;
  z-index: 10;
  top: calc(100% + 9px);
  left: -20px;
  width: min(224px, calc(100vw - 40px));
  visibility: hidden;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 13px;
  opacity: 0;
  background: rgba(61, 43, 32, 0.84);
  box-shadow: 0 14px 32px rgba(35, 24, 17, 0.18);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  transform: translateY(-9px) scaleY(0.94);
  transform-origin: top center;
  transition: opacity 360ms ease, transform 420ms cubic-bezier(0.22, 1, 0.36, 1), visibility 420ms;
}

.nav-dropdown-panel::before {
  position: absolute;
  right: 0;
  bottom: 100%;
  left: 0;
  height: 10px;
  content: "";
}

.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown.is-open .nav-dropdown-panel {
  visibility: visible;
  opacity: 1;
  transform: translateY(0) scaleY(1);
}

.nav-dropdown.is-click-closed:hover .nav-dropdown-panel {
  visibility: hidden;
  opacity: 0;
  transform: translateY(-9px) scaleY(0.94);
}

.nav-dropdown:hover .nav-dropdown-icon,
.nav-dropdown.is-open .nav-dropdown-icon {
  transform: translateY(1px) rotate(225deg);
}

.nav-dropdown.is-click-closed:hover .nav-dropdown-icon {
  transform: translateY(-2px) rotate(45deg);
}

.nav-dropdown-inner {
  width: auto;
  padding: 7px;
}

.nav-dropdown-kicker {
  display: none;
}

.nav-mega-primary {
  display: grid;
  width: 100%;
  grid-template-columns: 1fr;
  gap: 0;
}

.nav-mega-primary > .nav-dropdown-kicker {
  grid-column: 1 / -1;
}

.nav-mega-primary button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  border: 0;
  padding: 10px 12px;
  color: var(--paper);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: color 160ms ease, transform 160ms ease;
}

.nav-mega-primary button strong {
  display: block;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  line-height: 1.25;
}

.nav-mega-primary button small {
  display: none;
}

.nav-mega-primary button:hover,
.nav-mega-primary button:focus-visible {
  color: #e8c6aa;
  outline: none;
  transform: translateX(3px);
}

.nav-mega-primary button + button {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.nav-dropdown-arrow {
  color: var(--copper-light);
  font-size: 0.82rem;
}

.about-dialog[hidden] {
  display: none;
}

.about-dialog {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 32px;
}

.about-dialog-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(20, 23, 21, 0.78);
  backdrop-filter: blur(8px);
  cursor: zoom-out;
}

.about-dialog-window {
  position: relative;
  width: min(780px, 100%);
  max-height: calc(100dvh - 64px);
  overflow: hidden;
  background: var(--paper);
  box-shadow: 0 36px 100px rgba(0, 0, 0, 0.32);
}

.about-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 18px 22px;
}

.about-dialog-header h2 {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 400;
  line-height: 1.2;
}

.about-dialog-header .eyebrow {
  margin-bottom: 2px;
  font-size: 0.58rem;
}

.about-dialog-close {
  position: relative;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.about-dialog-close span::before,
.about-dialog-close span::after {
  position: absolute;
  top: 20px;
  left: 11px;
  width: 19px;
  height: 1px;
  background: currentColor;
  content: "";
}

.about-dialog-close span::before { transform: rotate(45deg); }
.about-dialog-close span::after { transform: rotate(-45deg); }

.about-dialog-content {
  max-height: calc(100dvh - 145px);
  overflow: auto;
  background: #e9e5dc;
}

.about-dialog-content img {
  width: min(100%, 720px);
  margin-inline: auto;
}

.history-dialog-content {
  display: grid;
  gap: 2px;
}

.primary-nav a:not(.nav-action)::after {
  position: absolute;
  right: 100%;
  bottom: 3px;
  left: 0;
  height: 1px;
  background: var(--copper);
  content: "";
  transition: right 180ms ease;
}

.primary-nav a:not(.nav-action):hover::after {
  right: 0;
}

.nav-action {
  border: 1px solid var(--ink);
  padding: 10px 17px !important;
  transition: color 180ms ease, background 180ms ease;
}

.nav-action:hover {
  color: var(--paper);
  background: var(--ink);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span:not(.sr-only) {
  position: absolute;
  width: 23px;
  height: 1px;
  background: currentColor;
  transition: transform 180ms ease;
}

.menu-toggle span:nth-child(2) {
  transform: translateY(-4px);
}

.menu-toggle span:nth-child(3) {
  transform: translateY(4px);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  padding: 150px 0 82px;
  background:
    radial-gradient(circle at 16% 80%, rgba(255, 255, 255, 0.8), transparent 32%),
    linear-gradient(118deg, var(--ivory) 0%, #eee9df 68%, #e8e2d8 100%);
}

.hero::before {
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image: linear-gradient(rgba(36, 39, 35, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(36, 39, 35, 0.04) 1px, transparent 1px);
  background-size: 90px 90px;
  content: "";
  mask-image: linear-gradient(to right, black, transparent 72%);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 590px;
  align-items: center;
  grid-template-columns: minmax(0, 1.08fr) minmax(430px, 0.82fr);
  gap: clamp(44px, 5vw, 80px);
}

.hero-copy {
  padding-top: 10px;
}

.hero h1 {
  max-width: 730px;
  margin-top: 24px;
  font-family: var(--serif);
  font-size: clamp(3rem, 4.6vw, 4.75rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 1.12;
}

.hero-title-line {
  display: block;
  white-space: nowrap;
}

.hero-lead {
  max-width: 650px;
  margin-top: 30px;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  line-height: 1.95;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-facts {
  display: grid;
  max-width: 690px;
  margin-top: 52px;
  border-top: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.hero-facts div {
  padding: 21px 16px 0 0;
}

.hero-facts div + div {
  border-left: 1px solid var(--line);
  padding-left: 20px;
}

.hero-facts dt {
  font-family: var(--serif);
  font-size: 1.08rem;
}

.hero-facts dd {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  line-height: 1.55;
}

.material-composition {
  position: relative;
  display: grid;
  width: 100%;
  max-width: 500px;
  aspect-ratio: 1122 / 1402;
  align-items: center;
  justify-self: end;
}

.material-hero-art {
  width: 100%;
  filter: drop-shadow(0 28px 34px rgba(39, 35, 30, 0.13));
  transform: scale(1.12);
  transform-origin: center;
}

.material-hero-art img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.scroll-cue {
  position: absolute;
  z-index: 5;
  bottom: 34px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  transform: translateX(-50%);
}

.scroll-cue span {
  display: inline-block;
  width: 36px;
  height: 1px;
  background: currentColor;
}

.section {
  padding: clamp(96px, 11vw, 150px) 0;
}

.section-heading h2,
.section-intro h2,
.products-heading h2,
.guidance-heading h2 {
  margin-top: 18px;
  font-family: var(--serif);
  font-size: clamp(2.35rem, 4.15vw, 4.25rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.16;
}

.section-story {
  background: var(--paper);
}

.story-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.72fr;
  gap: clamp(48px, 9vw, 128px);
}

.story-copy {
  align-self: end;
  padding-bottom: 8px;
}

.story-copy .statement {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.15vw, 1.95rem);
  line-height: 1.65;
}

.story-copy p + p {
  margin-top: 27px;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.project-board {
  display: grid;
  margin-top: clamp(70px, 9vw, 120px);
  padding: 26px;
  background: #ddd7cc;
  box-shadow: 0 25px 65px rgba(40, 35, 29, 0.1);
  grid-template-columns: 1.25fr 0.75fr;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-board figure {
  position: relative;
  min-height: 220px;
  overflow: hidden;
  background: var(--stone-light);
}

.project-board img {
  height: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.project-board figure:hover img {
  transform: scale(1.025);
}

.project-main {
  grid-row: 1 / 3;
}

.project-board figcaption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 8px 12px;
  color: var(--paper);
  background: rgba(32, 35, 31, 0.8);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.section-intro {
  display: grid;
  align-items: end;
  grid-template-columns: 1fr minmax(260px, 0.52fr);
  gap: clamp(40px, 8vw, 100px);
}

.section-intro > p {
  max-width: 470px;
  justify-self: end;
  color: var(--ink-soft);
}

.section-products {
  color: var(--paper);
  background:
    radial-gradient(circle at 100% 0%, rgba(149, 104, 74, 0.12), transparent 38%),
    var(--night);
}

.products-heading {
  display: grid;
  align-items: end;
  grid-template-columns: 1fr minmax(280px, 0.58fr);
  gap: clamp(40px, 8vw, 110px);
}

.products-intro {
  max-width: 470px;
  justify-self: end;
  color: rgba(250, 248, 243, 0.58);
}

.section-products .eyebrow {
  color: var(--copper-light);
}

.system-accordion {
  margin-top: clamp(52px, 7vw, 84px);
  border-top: 1px solid rgba(250, 248, 243, 0.16);
}

.system-item {
  border-bottom: 1px solid rgba(250, 248, 243, 0.16);
}

.system-document-row {
  position: relative;
  z-index: 2;
  display: grid;
  margin-top: -48px;
  padding: 0 40px 28px;
  grid-template-columns: 72px minmax(250px, 0.75fr) minmax(260px, 1fr) 72px;
  gap: clamp(24px, 4vw, 64px);
}

.system-document-positioner {
  width: 100%;
  max-width: 460px;
  min-width: 0;
  justify-self: start;
  grid-column: 3;
}

.system-document-alignment-region {
  display: grid;
  width: max-content;
  max-width: 100%;
}

.system-document-alignment-region > * {
  grid-area: 1 / 1;
}

.system-document-alignment-copy {
  max-width: 460px;
  visibility: hidden;
  font-size: 0.8rem;
  line-height: 1.8;
  text-wrap: pretty;
}

.system-document-positioner .system-document-link {
  align-self: start;
  justify-self: start;
}

.system-document-link,
.inline-document-link {
  position: relative;
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  color: var(--copper-light);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  line-height: 1.7;
}

.system-document-link::after,
.inline-document-link::after {
  position: absolute;
  right: 0;
  bottom: -2px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 180ms ease;
}

.system-document-link:hover::after,
.system-document-link:focus-visible::after,
.inline-document-link:hover::after,
.inline-document-link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.system-document-link:focus-visible,
.inline-document-link:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 6px;
}

.system-trigger {
  display: grid;
  width: 100%;
  min-height: 164px;
  align-items: center;
  border: 0;
  padding: 28px 40px;
  color: inherit;
  background: transparent;
  text-align: left;
  cursor: pointer;
  grid-template-columns: 72px minmax(250px, 0.75fr) minmax(260px, 1fr) 72px;
  gap: clamp(24px, 4vw, 64px);
  transition: background 180ms ease;
}

.system-trigger:hover,
.system-trigger:focus-visible,
.system-trigger[aria-expanded="true"] {
  background: rgba(250, 248, 243, 0.035);
}

.system-trigger:focus-visible {
  outline: 1px solid var(--copper-light);
  outline-offset: -1px;
}

.system-trigger .system-filter-index {
  align-self: center;
  justify-self: center;
  color: var(--copper-light);
  grid-row: auto;
  text-align: center;
}

.system-identity {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
}

.system-trigger .system-filter-origin {
  color: rgba(250, 248, 243, 0.48);
}

.system-identity strong {
  margin-top: 8px;
  font-family: var(--serif);
  font-size: clamp(2.5rem, 4vw, 3.4rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1;
}

.system-identity > span:last-child {
  margin-top: 8px;
  color: rgba(250, 248, 243, 0.82);
  font-size: 0.84rem;
}

.system-trigger small {
  max-width: 460px;
  color: rgba(250, 248, 243, 0.54);
  font-size: 0.8rem;
  line-height: 1.8;
  text-wrap: pretty;
}

.system-arrow {
  color: var(--copper-light);
  font-size: 1.35rem;
  text-align: center;
  transform: rotate(0);
  transition: transform 240ms ease;
}

.system-trigger[aria-expanded="true"] .system-arrow {
  transform: rotate(90deg);
}

.system-panel {
  overflow: hidden;
}

.system-panel[hidden] {
  display: none;
}

.series-grid {
  display: grid;
  padding: 4px 0 clamp(44px, 6vw, 74px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  animation: system-panel-in 360ms cubic-bezier(0.22, 0.7, 0.2, 1) both;
}

#system-panel-takiron .series-grid {
  grid-auto-rows: 1fr;
}

.series-grid-single {
  grid-template-columns: 1fr;
}

.series-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(250, 248, 243, 0.13);
  background: rgba(250, 248, 243, 0.045);
}

#system-panel-takiron .series-card,
#system-panel-polyflor .series-card {
  display: flex;
  flex-direction: column;
}

#system-panel-takiron .series-content,
#system-panel-polyflor .series-content,
.series-card-horizontal .series-content {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.series-card .product-brochure-links {
  margin-top: auto;
  padding-top: clamp(20px, 2.5vw, 28px);
}

.series-card figure {
  height: clamp(250px, 28vw, 370px);
  overflow: hidden;
  background: #353630;
}

.series-card figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.series-card:hover figure img {
  transform: scale(1.025);
}

.series-card-stair figure img {
  object-position: center 44%;
}

.series-card-horizontal {
  display: grid;
  grid-template-columns: minmax(300px, 1.15fr) minmax(280px, 0.85fr);
}

.series-card-horizontal figure {
  height: 100%;
  min-height: 360px;
}

.series-content {
  padding: clamp(25px, 3.2vw, 40px);
}

.series-card .product-meta {
  color: var(--copper-light);
}

.series-card h3 {
  margin-top: 10px;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 2.8vw, 2.6rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.2;
  text-wrap: balance;
}

.series-content > p:not(.product-meta, .catalog-note) {
  margin-top: 15px;
  max-width: 38em;
  color: rgba(250, 248, 243, 0.58);
  font-size: 0.88rem;
  line-height: 1.85;
  text-wrap: pretty;
}

.catalog-note {
  display: inline-block;
  margin-top: 28px;
  border-bottom: 1px solid var(--copper-light);
  padding-bottom: 5px;
  color: var(--copper-light);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.product-brochure-links {
  display: flex;
  width: 100%;
  justify-content: flex-end;
}

.inline-document-link {
  margin-top: 18px;
  color: #b98260;
}

.product-brochure-link {
  --accent-color: #9a9287;
  position: relative;
  isolation: isolate;
  display: block;
  width: min(100%, 300px);
  overflow: hidden;
  aspect-ratio: 3.84 / 1;
  border: 0;
  border-radius: 8px;
  color: var(--paper);
  background: #171a18;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  transition: box-shadow 180ms ease, transform 180ms ease;
}

a.product-brochure-link:hover {
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.24);
  transform: translateY(-2px);
}

a.product-brochure-link:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 3px;
}

.product-brochure-link::before {
  position: absolute;
  z-index: 0;
  inset: 0;
  background: linear-gradient(90deg, transparent 46%, rgba(8, 11, 10, 0.018) 72%, rgba(8, 11, 10, 0.1) 100%);
  content: "";
}

.product-brochure-link::after {
  position: absolute;
  z-index: 4;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-color) 62%, transparent);
  pointer-events: none;
  content: "";
  transition: box-shadow 180ms ease;
}

a.product-brochure-link:hover::after {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-color) 84%, white 6%);
}

.series-card-lx .product-brochure-link::after,
.series-card-stair .product-brochure-link::after {
  border: 1px solid color-mix(in srgb, var(--accent-color) 62%, #171a18);
  box-shadow: none;
  transition: border-color 180ms ease;
}

.series-card-lx a.product-brochure-link:hover::after,
.series-card-stair a.product-brochure-link:hover::after {
  border-color: color-mix(in srgb, var(--accent-color) 84%, #f7f5f0 16%);
  box-shadow: none;
}

.product-brochure-image {
  position: absolute;
  z-index: -1;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--brochure-position, center);
  transition: filter 220ms ease, transform 360ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.product-brochure-overlay {
  position: absolute;
  z-index: 1;
  inset: 0 auto 0 0;
  width: 61%;
  background:
    radial-gradient(circle at 100% 48%, rgba(93, 103, 97, 0.14) 0%, transparent 30%),
    linear-gradient(102deg, #171a18 0%, #1a1e1b 74%, #242925 100%);
  clip-path: polygon(0 0, 100% 0, 83% 100%, 0 100%);
  filter: drop-shadow(1px 0 1px rgba(0, 0, 0, 0.4));
}

.product-brochure-overlay::before {
  position: absolute;
  inset: 0;
  opacity: 0.36;
  background: linear-gradient(118deg, transparent 0 44%, rgba(255, 255, 255, 0.018) 51%, transparent 59%);
  content: "";
}

.product-brochure-overlay::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 0 86%, rgba(170, 181, 174, 0.055) 96%, rgba(199, 207, 202, 0.1) 100%);
  content: "";
}

.product-brochure-content {
  position: absolute;
  z-index: 2;
  inset: 0 auto 0 0;
  display: flex;
  width: 64%;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 9px 7px 9px 14px;
}

.product-brochure-label {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 6px;
  color: var(--accent-color);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.065em;
  line-height: 1;
  opacity: 1;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  white-space: nowrap;
}

.product-brochure-label svg {
  width: 16px;
  height: 16px;
  fill: none;
  flex: 0 0 auto;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  shape-rendering: geometricPrecision;
}

.product-brochure-label > span {
  border-left: 1px solid color-mix(in srgb, var(--accent-color) 64%, transparent);
  padding-left: 6px;
}

.product-brochure-title {
  display: block;
  max-width: 100%;
  overflow: hidden;
  color: #fffdf7;
  font-family: var(--sans);
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.005em;
  line-height: 1.2;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.8), 0 -1px 0 rgba(255, 255, 255, 0.04);
  text-overflow: clip;
  white-space: nowrap;
}

.series-card-palettone .product-brochure-content {
  width: 55%;
}

.product-brochure-title-palettone {
  display: flex;
  min-width: 0;
  align-items: baseline;
  gap: 5px;
}

.product-brochure-title-palettone .product-brochure-series-name {
  flex: 0 0 auto;
  font-size: 0.78em;
  letter-spacing: 0.015em;
}

.product-brochure-arrow {
  position: absolute;
  z-index: 3;
  right: 9px;
  bottom: 9px;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent-color) 52%, #7f8992);
  border-radius: 50%;
  color: #fff;
  background: color-mix(in srgb, var(--accent-color) 22%, #3d4852);
  box-shadow:
    inset 3px 3px 5px rgba(5, 8, 11, 0.5),
    inset -2px -2px 3px rgba(255, 255, 255, 0.18),
    2px 3px 5px rgba(0, 0, 0, 0.3);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.72);
  font-size: 1.15rem;
  line-height: 1;
  transition: box-shadow 180ms ease, filter 180ms ease;
}

a.product-brochure-link:hover .product-brochure-image {
  filter: brightness(1.06);
  transform: scale(1.025);
}

.series-card-ahl .product-brochure-image {
  filter: brightness(1.12) saturate(1.1) contrast(1.02) sepia(0.03);
}

.series-card-ahl .product-brochure-link::before {
  background:
    radial-gradient(circle at 83% 16%, rgba(255, 231, 177, 0.24) 0%, rgba(255, 220, 157, 0.1) 28%, transparent 55%),
    linear-gradient(90deg, transparent 46%, rgba(255, 207, 129, 0.035) 72%, rgba(122, 80, 30, 0.035) 100%);
}

.series-card-ahl a.product-brochure-link:hover .product-brochure-image {
  filter: brightness(1.18) saturate(1.12) contrast(1.02) sepia(0.035);
}

a.product-brochure-link:hover .product-brochure-arrow {
  box-shadow:
    inset 3px 3px 5px rgba(5, 8, 11, 0.5),
    inset -2px -2px 3px rgba(255, 255, 255, 0.18),
    3px 4px 6px rgba(0, 0, 0, 0.34);
  filter: brightness(1.04);
}

.product-brochure-link.is-pending {
  cursor: not-allowed;
  opacity: 0.82;
}

@keyframes system-panel-in {
  from {
    opacity: 0;
    transform: translateY(-14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.filter-all {
  margin-top: 24px;
  border: 0;
  border-bottom: 1px solid currentColor;
  padding: 0 0 5px;
  color: var(--copper);
  background: transparent;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.filter-all.is-active {
  color: var(--ink);
}

.system-filter-grid {
  display: grid;
  margin-top: clamp(50px, 7vw, 82px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.system-filter {
  display: grid;
  min-width: 0;
  border: 0;
  padding: 30px clamp(22px, 3vw, 42px) 32px;
  color: var(--ink);
  background: transparent;
  text-align: left;
  cursor: pointer;
  grid-template-columns: auto 1fr;
  gap: 0 16px;
  transition: color 180ms ease, background 180ms ease;
}

.system-filter + .system-filter {
  border-left: 1px solid var(--line);
}

.system-filter:hover,
.system-filter.is-active {
  color: var(--paper);
  background: var(--night);
}

.system-filter-index {
  color: var(--copper);
  font-family: var(--serif);
  font-size: 0.9rem;
  grid-row: 1 / 5;
}

.system-filter-origin {
  color: var(--ink-soft);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.system-filter:hover .system-filter-origin,
.system-filter.is-active .system-filter-origin,
.system-filter:hover small,
.system-filter.is-active small {
  color: rgba(250, 248, 243, 0.62);
}

.system-filter strong {
  margin-top: 10px;
  font-family: var(--serif);
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 400;
  line-height: 1;
}

.system-filter > span:not(.system-filter-index, .system-filter-origin) {
  margin-top: 9px;
  font-size: 0.83rem;
}

.system-filter small {
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: 0.73rem;
  line-height: 1.65;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.filter-button {
  min-height: 40px;
  border: 1px solid var(--line);
  padding: 7px 14px;
  color: var(--ink-soft);
  background: transparent;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.filter-button:hover,
.filter-button.is-active {
  border-color: var(--ink);
  color: var(--paper);
  background: var(--ink);
}

.product-grid {
  display: grid;
  margin-top: 36px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.product-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(36, 39, 35, 0.11);
  background: var(--paper);
  transition: box-shadow 220ms ease, transform 220ms ease;
}

.product-card:hover {
  box-shadow: 0 24px 55px rgba(41, 37, 31, 0.12);
  transform: translateY(-4px);
}

.product-card[hidden] {
  display: none;
}

.product-card figure {
  height: clamp(260px, 32vw, 400px);
  overflow: hidden;
  background: #d8d2c7;
}

.product-card figure img {
  height: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.product-card:hover figure img {
  transform: scale(1.025);
}

.product-card-stair figure img {
  object-position: center 44%;
}

.product-content {
  padding: clamp(27px, 3.5vw, 42px);
}

.product-meta {
  color: var(--copper);
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.product-card h3 {
  margin-top: 10px;
  font-family: var(--serif);
  font-size: clamp(1.65rem, 2.6vw, 2.45rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.product-card .product-content > p:not(.product-meta) {
  margin-top: 15px;
  color: var(--ink-soft);
  font-size: 0.91rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 23px;
  list-style: none;
}

.tag-list li {
  border: 1px solid var(--line);
  padding: 5px 9px;
  color: var(--ink-soft);
  font-size: 0.66rem;
  line-height: 1.4;
}

.tone-visual {
  position: relative;
  display: grid;
  height: clamp(260px, 32vw, 400px);
  overflow: hidden;
  background: #cbc5b9;
  grid-template-columns: 1.1fr 0.85fr 0.6fr;
  gap: 3px;
}

.tone-visual span {
  transform: skewX(-5deg) scale(1.08);
}

.tone-takiron span:nth-child(1) {
  background: #5d665e;
}

.tone-takiron span:nth-child(2) {
  background: #99856f;
}

.tone-takiron span:nth-child(3) {
  background: #c4b4a0;
}

.tone-visual::after {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background-image: linear-gradient(120deg, transparent 0 30%, rgba(255, 255, 255, 0.3) 30% 32%, transparent 32% 100%);
  background-size: 44px 44px;
  content: "";
}

.product-note {
  max-width: 880px;
  margin: 34px auto 0;
  color: rgba(250, 248, 243, 0.48);
  font-size: 0.76rem;
  text-align: center;
}

.section-guidance {
  padding-bottom: 110px;
  background: var(--paper);
}

.guidance-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(480px, 1fr);
  gap: clamp(56px, 9vw, 125px);
}

.guidance-heading {
  position: sticky;
  top: 130px;
  align-self: start;
}

.guidance-heading > p:last-child {
  max-width: 400px;
  margin-top: 28px;
  color: var(--ink-soft);
}

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

.guidance-list details {
  border-bottom: 1px solid var(--line);
}

.guidance-list summary {
  display: grid;
  min-height: 104px;
  align-items: center;
  padding-block: 18px;
  list-style: none;
  cursor: pointer;
  grid-template-columns: 48px 1fr 26px;
  gap: 18px;
}

.guidance-list summary::-webkit-details-marker {
  display: none;
}

.guidance-list summary span {
  color: var(--copper);
  font-family: var(--serif);
  font-size: 0.88rem;
}

.guidance-list summary strong {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 400;
  line-height: 1.4;
}

.guidance-list summary i {
  position: relative;
  width: 20px;
  height: 20px;
}

.guidance-list summary i::before,
.guidance-list summary i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 1px;
  background: var(--ink);
  content: "";
  transform: translate(-50%, -50%);
}

.guidance-list summary i::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 180ms ease;
}

.guidance-list details[open] summary i::after {
  transform: translate(-50%, -50%) rotate(0);
}

.details-body {
  padding: 0 26px 30px 66px;
}

.details-body p {
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.details-body p + p {
  margin-top: 8px;
}

.report-group-label {
  margin: 18px 0 8px;
  color: var(--copper) !important;
  font-size: 0.72rem !important;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.report-group-label:first-child {
  margin-top: 0;
}

.report-links {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px;
  list-style: none;
}

.report-links li {
  min-width: 0;
}

.report-links a {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  padding: 5px 10px;
  background: rgba(255, 255, 255, 0.34);
  color: var(--ink);
  gap: 8px;
  font-size: 0.78rem;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.report-links a:hover,
.report-links a:focus-visible {
  border-color: rgba(149, 104, 74, 0.58);
  background: rgba(255, 255, 255, 0.75);
  transform: translateY(-1px);
}

.report-links span {
  overflow: hidden;
  min-width: 0;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.report-links small {
  flex: none;
  color: var(--copper);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.report-links-compact {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.disclaimer {
  display: grid;
  align-items: center;
  margin-top: 70px;
  border: 1px solid rgba(149, 104, 74, 0.34);
  padding: 25px 28px;
  background: #f2ebe1;
  grid-template-columns: 115px 1fr;
  gap: 24px;
}

.disclaimer span {
  color: var(--copper);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.disclaimer p {
  font-size: 0.84rem;
}

.section-process {
  position: relative;
  overflow: hidden;
  background: var(--ivory-deep);
}

.section-process::before {
  display: none;
}

.section-process .shell {
  position: relative;
}

.process-list {
  display: grid;
  margin-top: 52px;
  list-style: none;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.process-list li {
  position: relative;
  min-height: 238px;
  overflow: hidden;
  border: 1px solid rgba(36, 39, 35, 0.12);
  border-top: 2px solid var(--copper);
  border-radius: 3px;
  padding: 24px 24px 26px;
  background: rgba(250, 248, 243, 0.52);
  transition: border-color 200ms ease, background 200ms ease;
}

.process-list li:hover {
  border-color: rgba(149, 104, 74, 0.46);
  background: rgba(250, 248, 243, 0.84);
}

.process-list span {
  color: var(--copper);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.process-list strong {
  display: block;
  margin-top: 20px;
  font-family: var(--serif);
  font-size: clamp(1.9rem, 2.7vw, 2.85rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.process-list strong em {
  margin-left: 5px;
  font-family: var(--sans);
  font-size: 0.68rem;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.process-list p {
  margin-top: 17px;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.process-list .import-card-label {
  margin-top: 34px;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.process-list .import-leadtime {
  min-height: 126px;
  grid-column: 1 / -1;
  display: grid;
  align-items: center;
  border: 0;
  border-radius: 3px;
  padding: 25px 30px;
  color: var(--paper);
  background: #49382d;
  grid-template-columns: 48px minmax(230px, 0.65fr) 1fr;
  gap: 24px;
}

.process-list .import-leadtime::after {
  display: none;
}

.process-list .import-leadtime .import-card-label {
  margin-top: 0;
  color: var(--copper-light);
  font-size: 0.62rem;
  text-transform: uppercase;
}

.process-list .import-leadtime strong {
  margin-top: 6px;
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  letter-spacing: -0.02em;
}

.import-time-list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.process-list .import-time-list p {
  position: relative;
  z-index: 1;
  margin-top: 0;
  border-left: 1px solid rgba(250, 248, 243, 0.2);
  padding-left: 18px;
  color: rgba(250, 248, 243, 0.76);
  font-size: 0.72rem;
}

.import-time-list b,
.import-time-list span {
  display: block;
}

.import-time-list b {
  margin-bottom: 5px;
  color: rgba(250, 248, 243, 0.64);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.import-time-list span {
  color: var(--paper);
  font-family: var(--serif);
  font-size: 1.35rem;
}

.import-board {
  display: grid;
  overflow: hidden;
  margin-top: 50px;
  border-radius: 24px 24px 0 0;
  grid-template-columns: minmax(0, 1.45fr) minmax(310px, 0.85fr);
  gap: 0;
}

.import-thresholds,
.import-lead-panel {
  padding: clamp(28px, 3.2vw, 44px);
}

.import-thresholds {
  border: 1px solid rgba(36, 39, 35, 0.12);
  border-right: 0;
  color: var(--ink);
  background: rgba(250, 248, 243, 0.72);
}

.import-panel-heading {
  display: grid;
  align-items: end;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  grid-template-columns: minmax(170px, 0.9fr) minmax(105px, 0.55fr);
  gap: 18px;
}

.import-panel-heading h3 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
}

.import-panel-heading span {
  color: var(--ink-soft);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.threshold-row {
  display: grid;
  min-height: 98px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  grid-template-columns: minmax(170px, 0.9fr) minmax(105px, 0.55fr);
  gap: 18px;
}

.threshold-row > div > strong {
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.threshold-row > div > p {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 0.7rem;
}

.threshold-value {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.threshold-value strong {
  font-family: var(--serif);
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 400;
  line-height: 1;
}

.threshold-value span {
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.import-panel-note {
  margin-top: 20px;
  color: var(--ink-soft);
  font-size: 0.7rem;
}

.import-lead-panel {
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--paper);
  background: var(--night);
}

.import-lead-panel .eyebrow {
  color: var(--copper-light);
}

.import-lead-panel h3 {
  margin-top: 14px;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 2.5vw, 2.25rem);
  font-weight: 400;
  line-height: 1.25;
}

.leadtime-row {
  position: relative;
  display: grid;
  min-height: 105px;
  align-items: center;
  border-top: 1px solid rgba(250, 248, 243, 0.18);
  grid-template-columns: minmax(130px, 1fr) auto;
  gap: 14px;
}

.leadtime-row:first-of-type {
  margin-top: 27px;
}

.leadtime-row > strong {
  font-size: 0.82rem;
  font-weight: 600;
}

.leadtime-row > small {
  position: absolute;
  top: 60px;
  left: 0;
  color: var(--copper-light);
  font-size: 0.65rem;
}

.leadtime-row > p {
  display: flex;
  align-items: baseline;
  gap: 6px;
  white-space: nowrap;
}

.leadtime-row > p span {
  color: rgba(250, 248, 243, 0.68);
  font-size: 0.68rem;
}

.leadtime-row > p b {
  font-family: var(--serif);
  font-size: 2.7rem;
  font-weight: 400;
  line-height: 1;
}

.import-lead-panel .import-panel-note {
  color: rgba(250, 248, 243, 0.6);
}

.import-payment-terms {
  display: grid;
  overflow: hidden;
  min-height: 126px;
  border: 1px solid rgba(36, 39, 35, 0.12);
  border-top: 0;
  border-radius: 0 0 24px 24px;
  background: rgba(250, 248, 243, 0.42);
  grid-template-columns: minmax(175px, 0.48fr) minmax(340px, 1fr) minmax(230px, 0.72fr);
}

.import-payment-heading {
  display: flex;
  justify-content: center;
  border-right: 1px solid var(--line);
  padding: 24px clamp(24px, 3vw, 38px);
  flex-direction: column;
}

.import-payment-heading h3 {
  margin-top: 7px;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.25;
}

.import-payment-breakdown {
  display: grid;
  border-right: 1px solid var(--line);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.import-payment-breakdown > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px clamp(24px, 3vw, 38px);
  gap: 18px;
}

.import-payment-breakdown > div + div {
  border-left: 1px solid var(--line);
}

.import-payment-breakdown dt {
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.06em;
}

.import-payment-breakdown dd {
  display: flex;
  align-items: baseline;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 3.2vw, 3rem);
  font-weight: 400;
  line-height: 1;
}

.import-payment-breakdown dd small {
  margin-left: 4px;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.72rem;
}

.import-order-note {
  align-self: center;
  padding: 24px clamp(24px, 3vw, 38px);
  color: var(--ink-soft);
  font-size: 0.68rem;
  line-height: 1.75;
}

.import-order-note span {
  display: block;
  margin-bottom: 6px;
  color: var(--copper);
  font-size: 0.61rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.import-confirmation {
  display: flex;
  margin-top: 16px;
  border-top: 1px solid var(--line);
  padding: 20px 2px 0;
  gap: 28px;
  font-size: 0.76rem;
}

.import-confirmation strong {
  flex: 0 0 auto;
}

.import-confirmation span {
  color: var(--ink-soft);
}

.contact-section {
  padding: clamp(90px, 10vw, 140px) 0;
  color: var(--paper);
  background: var(--night);
}

.contact-panel {
  display: grid;
  min-height: 560px;
  overflow: hidden;
  background: var(--night-soft);
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.1fr);
}

.contact-visual {
  position: relative;
  overflow: hidden;
}

.contact-visual::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(32, 35, 31, 0.18));
  content: "";
}

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

.contact-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(46px, 8vw, 100px);
}

.contact-copy h2 {
  margin-top: 18px;
  font-family: var(--serif);
  font-size: clamp(2.5rem, 4.7vw, 4.55rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.14;
}

.contact-copy > p:not(.eyebrow, .contact-note, .copy-status) {
  max-width: 550px;
  margin-top: 24px;
  color: rgba(250, 248, 243, 0.7);
}

.contact-phone-jump {
  margin-left: 0.28em;
  color: #dbd9d6;
  font-size: 0.94em;
  font-weight: 400;
  letter-spacing: inherit;
  line-height: inherit;
  vertical-align: baseline;
  white-space: nowrap;
}

.contact-copy .button {
  align-self: flex-start;
  margin-top: 33px;
}

.copy-status {
  min-height: 1.4em;
  margin-top: 12px;
  color: var(--copper-light);
  font-size: 0.77rem;
}

.contact-note {
  margin-top: 28px;
  color: rgba(250, 248, 243, 0.5);
  font-size: 0.76rem;
}

.site-footer {
  padding: 58px 0;
  color: var(--paper);
  background: #181a18;
}

.footer-grid {
  display: grid;
  align-items: end;
  grid-template-columns: 1fr auto 1fr;
  gap: 50px;
}

.footer-mark .brand-sub {
  color: rgba(250, 248, 243, 0.53);
}

.footer-grid > div > p {
  margin-top: 18px;
  color: rgba(250, 248, 243, 0.48);
  font-size: 0.7rem;
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 18px;
  margin-top: 13px;
  color: rgba(250, 248, 243, 0.72);
  font-size: 0.72rem;
  font-style: normal;
}

.footer-contact a {
  transition: color 180ms ease;
}

.footer-contact a:hover {
  color: var(--copper-light);
}

.footer-grid nav {
  display: flex;
  gap: 25px;
  font-size: 0.71rem;
}

.footer-grid nav a:hover {
  color: var(--copper-light);
}

.copyright {
  justify-self: end;
  color: rgba(250, 248, 243, 0.44);
  font-size: 0.64rem;
  line-height: 1.8;
  text-align: right;
}

.chat-widget {
  position: fixed;
  z-index: 150;
  right: 24px;
  bottom: 24px;
}

.chat-launcher {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 12px 19px;
  color: var(--paper);
  background: var(--ink);
  box-shadow: 0 16px 42px rgba(22, 24, 21, 0.24);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 180ms ease, transform 180ms ease;
}

.chat-launcher:hover {
  background: var(--copper);
  transform: translateY(-2px);
}

.chat-launcher-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--copper-light);
  box-shadow: 0 0 0 4px rgba(188, 139, 104, 0.16);
}

.chat-panel {
  position: absolute;
  right: 0;
  bottom: 64px;
  display: grid;
  width: min(390px, calc(100vw - 32px));
  height: min(640px, calc(100vh - 110px));
  overflow: hidden;
  border: 1px solid rgba(36, 39, 35, 0.14);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: 0 28px 80px rgba(20, 22, 19, 0.28);
  grid-template-rows: auto 1fr auto auto auto;
}

.chat-panel[hidden] {
  display: none;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 18px 20px 16px;
  background: var(--ivory);
}

.chat-header h2 {
  margin-top: 3px;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.3;
}

.chat-close {
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.chat-close:hover {
  background: rgba(36, 39, 35, 0.07);
}

.chat-messages {
  overflow-y: auto;
  padding: 20px;
  overscroll-behavior: contain;
}

.chat-message {
  width: fit-content;
  max-width: 88%;
  margin-bottom: 12px;
  border-radius: 14px 14px 14px 3px;
  padding: 11px 13px;
  color: var(--ink-soft);
  background: var(--ivory);
  font-size: 0.82rem;
  line-height: 1.65;
  white-space: pre-wrap;
}

.chat-message.is-user {
  margin-left: auto;
  border-radius: 14px 14px 3px 14px;
  color: var(--paper);
  background: var(--ink);
}

.chat-message.is-status {
  color: var(--stone);
  background: transparent;
  font-size: 0.75rem;
}

.chat-suggestions {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  padding: 0 16px 12px;
}

.chat-suggestions button {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 11px;
  color: var(--ink-soft);
  background: transparent;
  font-size: 0.7rem;
  cursor: pointer;
}

.chat-suggestions button:hover {
  border-color: var(--copper);
  color: var(--copper);
}

.chat-form {
  display: grid;
  border-top: 1px solid var(--line);
  padding: 12px;
  background: var(--paper);
  grid-template-columns: 1fr auto;
  gap: 9px;
}

.chat-form textarea {
  width: 100%;
  max-height: 112px;
  resize: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--ink);
  background: var(--ivory);
  font: inherit;
  font-size: 0.8rem;
  line-height: 1.5;
}

.chat-form button {
  align-self: stretch;
  border: 0;
  border-radius: 10px;
  padding: 0 15px;
  color: var(--paper);
  background: var(--ink);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

.chat-form button:disabled,
.chat-form textarea:disabled {
  cursor: wait;
  opacity: 0.55;
}

.chat-notice {
  padding: 0 16px 12px;
  color: var(--stone);
  font-size: 0.62rem;
  line-height: 1.5;
}

.noscript {
  position: fixed;
  z-index: 200;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 10px 20px;
  color: var(--paper);
  background: var(--copper);
  font-size: 0.75rem;
  text-align: center;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms cubic-bezier(0.22, 0.7, 0.2, 1);
}

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

@media (max-width: 1100px) {
  .hero {
    min-height: auto;
  }

  .series-card-belbien {
    display: block;
  }

  .series-card-belbien figure {
    height: auto;
    min-height: 0;
    aspect-ratio: 1672 / 941;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.7fr);
    gap: 48px;
  }

  .hero h1 {
    font-size: clamp(3rem, 5.8vw, 4.4rem);
  }

  .material-hero-art {
    transform: scale(1.08);
  }

  .guidance-grid {
    grid-template-columns: 0.68fr 1fr;
    gap: 60px;
  }

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

  .footer-grid nav {
    justify-self: end;
  }

  .copyright {
    grid-column: 1 / -1;
    justify-self: start;
    text-align: left;
  }
}

@media (max-width: 900px) {
  :root {
    --shell: min(100% - 44px, 760px);
  }

  .menu-toggle {
    position: relative;
    z-index: 2;
    display: inline-flex;
  }

  .primary-nav {
    position: fixed;
    inset: 0;
    display: flex;
    visibility: hidden;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 17px;
    padding: 90px max(22px, calc((100vw - 760px) / 2));
    opacity: 0;
    color: var(--paper);
    background: var(--night);
    font-family: var(--serif);
    font-size: clamp(1.9rem, 7vw, 3.2rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    transform: translateY(-12px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms;
  }

  .primary-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .primary-nav .nav-action {
    margin-top: 14px;
    border-color: rgba(250, 248, 243, 0.6);
    padding: 10px 16px !important;
    font-family: var(--sans);
    font-size: 0.86rem;
  }

  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown-trigger {
    gap: 14px;
  }

  .nav-dropdown-trigger::after {
    display: none;
  }

  .nav-dropdown-icon {
    width: 10px;
    height: 10px;
  }

  .nav-dropdown-panel {
    position: static;
    display: none;
    width: min(100%, 360px);
    visibility: visible;
    margin-top: 4px;
    border-color: rgba(250, 248, 243, 0.22);
    padding: 6px;
    opacity: 1;
    background: rgba(250, 248, 243, 0.06);
    box-shadow: none;
    transform: none;
  }

  .nav-dropdown.is-open .nav-dropdown-panel {
    display: block;
  }

  .nav-dropdown-panel button {
    color: var(--paper);
    font-family: var(--sans);
    font-size: 0.9rem;
  }

  .nav-dropdown-inner {
    width: 100%;
    padding: 8px;
  }

  .nav-dropdown-kicker {
    display: none;
  }

  .nav-mega-primary {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .nav-mega-primary button,
  .nav-mega-primary button + button {
    border: 0;
    padding: 10px 12px;
  }

  .nav-mega-primary button + button {
    border-top: 1px solid rgba(250, 248, 243, 0.14);
  }

  .nav-mega-primary button strong {
    font-family: var(--sans);
    font-size: 0.95rem;
    font-weight: 600;
  }

  .nav-mega-primary button small {
    color: rgba(250, 248, 243, 0.58);
    font-size: 0.66rem;
  }

  .about-dialog {
    padding: 14px;
  }

  .about-dialog-window {
    max-height: calc(100dvh - 28px);
  }

  .about-dialog-content {
    max-height: calc(100dvh - 109px);
  }

  .menu-open .site-header,
  .menu-open .site-header.is-scrolled {
    color: var(--paper);
    background: transparent;
    box-shadow: none;
  }

  .menu-open .brand-sub {
    color: rgba(250, 248, 243, 0.55);
  }

  .hero {
    padding-top: 124px;
  }

  .hero-grid {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 690px;
  }

  .hero h1 {
    font-size: clamp(3.15rem, 9vw, 5rem);
  }

  .material-composition {
    width: min(500px, 86vw);
    margin: 20px auto 0;
  }

  .material-hero-art {
    transform: none;
  }

  .scroll-cue {
    display: none;
  }

  .story-grid,
  .guidance-grid {
    grid-template-columns: 1fr;
  }

  .story-copy {
    max-width: 620px;
    margin-left: auto;
  }

  .guidance-heading {
    position: static;
  }

  .guidance-heading > p:last-child {
    max-width: 620px;
  }

  .system-filter-grid {
    grid-template-columns: 1fr;
  }

  .system-trigger {
    padding-right: 24px;
    padding-left: 24px;
    grid-template-columns: 48px minmax(220px, 0.8fr) 1fr 48px;
    gap: 24px;
  }

  .system-document-row {
    margin-top: -42px;
    padding-right: 24px;
    padding-bottom: 24px;
    padding-left: 24px;
    grid-template-columns: 48px minmax(220px, 0.8fr) 1fr 48px;
    gap: 24px;
  }

  .system-filter {
    grid-template-columns: 42px minmax(180px, 0.55fr) 1fr;
    align-items: center;
  }

  .system-filter + .system-filter {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .system-filter-index {
    grid-row: 1 / 4;
  }

  .system-filter small {
    margin-top: 0;
    grid-column: 3;
    grid-row: 1 / 4;
  }

  .process-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .import-board {
    grid-template-columns: 1fr;
  }

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

  .section-process .section-intro > p {
    max-width: none;
    justify-self: start;
  }

  .import-thresholds {
    border-right: 1px solid rgba(36, 39, 35, 0.12);
    border-bottom: 0;
  }

  .import-payment-terms {
    grid-template-columns: minmax(180px, 0.45fr) 1fr;
  }

  .import-payment-breakdown {
    border-right: 0;
  }

  .import-order-note {
    border-top: 1px solid var(--line);
    grid-column: 1 / -1;
  }


  .contact-panel {
    grid-template-columns: minmax(240px, 0.65fr) 1fr;
  }
}

@media (min-width: 701px) and (max-width: 900px) {
  .series-grid-single .product-brochure-link {
    width: min(300px, calc((100% - 22px) / 2 - clamp(25px, 3.2vw, 40px) - 1px));
  }
}

@media (max-width: 700px) {
  :root {
    --shell: calc(100% - 36px);
  }

  .header-inner {
    min-height: 72px;
  }

  .brand-name {
    font-size: 1.3rem;
  }

  .brand-sub {
    font-size: 0.52rem;
  }

  .hero {
    padding: 112px 0 80px;
  }

  .hero::before {
    background-size: 62px 62px;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 11.5vw, 3.55rem);
  }

  .hero-lead {
    margin-top: 24px;
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .hero-facts div {
    display: grid;
    align-items: center;
    border-bottom: 1px solid var(--line);
    padding: 13px 0;
    grid-template-columns: 118px 1fr;
    gap: 12px;
  }

  .hero-facts div + div {
    border-left: 0;
    padding-left: 0;
  }

  .material-composition {
    width: 100%;
  }

  .section-heading h2,
  .section-intro h2,
  .products-heading h2,
  .guidance-heading h2 {
    font-size: clamp(2.2rem, 10vw, 3.4rem);
  }

  .project-board {
    padding: 12px;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 12px;
  }

  .project-main {
    grid-row: auto;
  }

  .project-board figure {
    min-height: 220px;
  }

  .project-board .project-main {
    min-height: 340px;
  }

  .section-intro,
  .products-heading {
    display: grid;
    grid-template-columns: 1fr;
  }

  .section-intro > p {
    justify-self: start;
  }

  .products-intro {
    justify-self: start;
  }

  .system-filter {
    padding: 25px 20px;
    grid-template-columns: 35px 1fr;
  }

  .system-trigger {
    min-height: 138px;
    padding: 24px 16px;
    grid-template-columns: 34px 1fr 34px;
    gap: 16px;
  }

  .system-trigger small {
    display: none;
  }

  .system-document-row {
    display: flex;
    justify-content: flex-start;
    margin-top: -28px;
    padding: 0 64px 24px 66px;
  }

  .system-document-positioner {
    width: auto;
    max-width: none;
  }

  .system-document-alignment-region {
    display: block;
    width: auto;
    max-width: none;
  }

  .system-document-alignment-copy {
    display: none;
  }

  .system-document-link {
    font-size: 0.7rem;
  }

  .system-identity strong {
    font-size: clamp(2.15rem, 10vw, 2.8rem);
  }

  .series-grid {
    padding: 0 0 38px;
    grid-template-columns: 1fr;
  }

  .product-brochure-link {
    /* iOS Safari 放大時仍要沿外框圓角裁切，避免方形底色蓋住圖片。 */
    -webkit-clip-path: inset(0 round 8px);
    clip-path: inset(0 round 8px);
  }

  .series-card-horizontal {
    display: block;
  }

  .series-card-horizontal figure {
    height: clamp(250px, 68vw, 360px);
    min-height: 0;
  }

  .series-card-belbien figure {
    height: auto;
    aspect-ratio: 1672 / 941;
  }

  .system-filter-index {
    grid-row: 1 / 5;
  }

  .system-filter small {
    margin-top: 14px;
    grid-column: 2;
    grid-row: auto;
  }

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

  .product-card figure,
  .tone-visual {
    height: clamp(250px, 75vw, 390px);
  }

  .guidance-list summary {
    grid-template-columns: 35px 1fr 24px;
    gap: 12px;
  }

  .details-body {
    padding: 0 8px 26px 47px;
  }

  .report-links,
  .report-links-compact {
    grid-template-columns: 1fr;
  }

  .disclaimer {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .process-list .import-leadtime {
    grid-column: auto;
  }

  .process-list li {
    min-height: 200px;
  }

  .process-list strong {
    margin-top: 34px;
  }

  .process-list .import-leadtime {
    min-height: 230px;
    align-content: center;
    padding: 26px;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .process-list .import-leadtime strong {
    margin-top: 7px;
  }

  .process-list .import-leadtime > p {
    margin-top: 18px;
  }

  .import-board {
    margin-top: 38px;
  }

  .import-thresholds,
  .import-lead-panel {
    padding: 25px 22px;
  }

  .import-panel-heading,
  .threshold-row {
    grid-template-columns: minmax(145px, 0.9fr) minmax(90px, 0.52fr);
    gap: 12px;
  }

  .threshold-row {
    min-height: 84px;
  }

  .threshold-value strong {
    font-size: 2rem;
  }

  .import-payment-terms {
    grid-template-columns: 1fr;
  }

  .import-payment-heading {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 21px 22px 19px;
  }

  .import-payment-breakdown {
    border-bottom: 1px solid var(--line);
  }

  .import-payment-breakdown > div {
    padding: 20px 22px;
  }

  .import-payment-breakdown dd {
    font-size: 2.2rem;
  }

  .import-order-note {
    border-top: 0;
    padding: 18px 22px 20px;
    grid-column: auto;
  }

  .import-confirmation {
    display: grid;
    gap: 6px;
  }

  .import-time-list {
    margin-top: 16px;
    grid-template-columns: 1fr;
    gap: 13px;
  }

  .process-list .import-time-list p {
    padding-left: 14px;
  }

  .contact-panel {
    grid-template-columns: 1fr;
  }

  .contact-visual {
    height: 260px;
  }

  .contact-copy {
    padding: 44px 28px 52px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-grid nav {
    flex-wrap: wrap;
    justify-self: start;
  }
}

@media (max-width: 430px) {
  :root {
    --shell: calc(100% - 28px);
  }

  body {
    font-size: 15px;
  }

  .hero {
    padding-top: 105px;
  }

  .hero h1 {
    font-size: clamp(2.25rem, 11.2vw, 3rem);
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-facts div {
    grid-template-columns: 102px 1fr;
  }

  .project-board .project-main {
    min-height: 270px;
  }

  .product-content {
    padding: 25px 22px 28px;
  }

  .series-grid {
    padding-right: 0;
    padding-left: 0;
  }

  .series-content {
    padding: 25px 22px 28px;
  }

  .product-brochure-links {
    justify-content: flex-end;
  }

  .product-brochure-link {
    width: min(100%, 300px);
  }

  .product-brochure-image {
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: inherit;
  }

  .product-brochure-overlay {
    width: 61%;
  }

  .product-brochure-content {
    width: 64%;
    gap: 4px;
    padding: 7px 6px 7px 11px;
  }

  .product-brochure-label {
    gap: 5px;
    font-size: 0.58rem;
  }

  .product-brochure-label svg {
    width: 14.5px;
    height: 14.5px;
  }

  .product-brochure-label > span {
    padding-left: 5px;
  }

  .product-brochure-title {
    font-size: clamp(0.55rem, 2.35vw, 0.7rem);
  }

  .product-brochure-arrow {
    right: 7px;
    bottom: 7px;
    width: clamp(28px, 8.8vw, 36px);
    height: clamp(28px, 8.8vw, 36px);
    font-size: clamp(0.94rem, 4vw, 1.08rem);
  }

  .guidance-list summary strong {
    font-size: 1.1rem;
  }

  .disclaimer {
    padding: 22px;
  }

  .contact-copy h2 {
    font-size: 2.6rem;
  }

  .contact-copy .button {
    width: 100%;
  }

  .chat-widget {
    right: 14px;
    bottom: 14px;
  }

  .chat-panel {
    position: fixed;
    inset: 12px;
    width: auto;
    height: auto;
    max-height: none;
  }

  .chat-launcher {
    min-height: 46px;
    padding: 10px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  html.from-corporate .site-arrival-transition {
    animation-duration: .18s !important;
    animation-delay: 0s !important;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .scroll-cue,
  .filters,
  .contact-copy .button,
  .copy-status {
    display: none !important;
  }

  .chat-widget {
    display: none !important;
  }

  body,
  .hero,
  .section,
  .section-systems,
  .contact-section,
  .site-footer {
    color: #000;
    background: #fff;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* Polyflor original PDF library */
.catalog-tree-page {
  min-height: 100vh;
  background: var(--paper);
}

.catalog-page-header {
  border-bottom: 1px solid rgba(250, 248, 243, 0.12);
  color: var(--paper);
  background: var(--night);
}

.catalog-page-header-inner {
  display: flex;
  min-height: 96px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.catalog-page-header .brand-mark {
  color: var(--paper);
}

.catalog-back-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  color: rgba(250, 248, 243, 0.72);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  transition: color 180ms ease;
}

.catalog-back-link:hover,
.catalog-back-link:focus-visible {
  color: var(--copper-light);
}

.catalog-tree-hero {
  padding: clamp(76px, 9vw, 126px) 0 clamp(82px, 10vw, 138px);
  color: var(--paper);
  background:
    radial-gradient(circle at 82% 18%, rgba(188, 139, 104, 0.15), transparent 30%),
    linear-gradient(135deg, var(--night), #292d28);
}

.catalog-tree-hero-grid {
  display: grid;
  align-items: end;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: clamp(48px, 9vw, 128px);
}

.catalog-tree-hero .eyebrow,
.catalog-library .eyebrow {
  color: var(--copper-light);
}

.catalog-tree-hero h1 {
  margin-top: 22px;
  font-family: var(--serif);
  font-size: clamp(3.4rem, 7vw, 6.8rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.94;
}

.catalog-tree-intro {
  display: grid;
  gap: 18px;
  color: rgba(250, 248, 243, 0.64);
  font-size: 0.95rem;
  line-height: 1.9;
}

.catalog-library {
  padding: clamp(78px, 9vw, 128px) 0;
  background: var(--ivory);
}

.catalog-library-toolbar {
  display: grid;
  align-items: end;
  grid-template-columns: 1fr minmax(320px, 0.58fr);
  gap: clamp(42px, 8vw, 110px);
}

.catalog-library-toolbar h2 {
  margin-top: 16px;
  font-family: var(--serif);
  font-size: clamp(2.5rem, 4.5vw, 4.4rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.catalog-search-wrap {
  display: grid;
  gap: 9px;
}

.catalog-search-wrap label {
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.catalog-search-wrap input {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0 16px;
  color: var(--ink);
  background: rgba(250, 248, 243, 0.76);
  font: inherit;
  outline: 0;
  transition: border-color 180ms ease, background 180ms ease;
}

.catalog-search-wrap input:focus {
  border-color: var(--copper);
  background: var(--paper);
}

.catalog-search-wrap p {
  color: var(--ink-soft);
  font-size: 0.74rem;
}

.catalog-tree {
  margin-top: clamp(48px, 6vw, 74px);
  border-top: 1px solid var(--line);
}

.catalog-branch {
  border-bottom: 1px solid var(--line);
  background: rgba(250, 248, 243, 0.44);
}

.catalog-branch[hidden],
.catalog-leaf[hidden] {
  display: none;
}

.catalog-branch summary {
  display: grid;
  min-height: 128px;
  align-items: center;
  padding: 24px 28px;
  list-style: none;
  cursor: pointer;
  grid-template-columns: 68px minmax(0, 1fr) 34px;
  gap: clamp(18px, 3vw, 38px);
  transition: background 180ms ease;
}

.catalog-branch summary::-webkit-details-marker {
  display: none;
}

.catalog-branch summary:hover,
.catalog-branch summary:focus-visible {
  background: rgba(188, 139, 104, 0.08);
}

.catalog-branch-priority summary,
.catalog-branch-polysafe summary {
  box-shadow: inset 3px 0 0 var(--copper-light);
}

.catalog-branch-number {
  color: var(--copper);
  font-family: var(--serif);
  font-size: 1.2rem;
}

.catalog-branch-title {
  display: grid;
  gap: 5px;
}

.catalog-branch-title strong {
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.8vw, 2.35rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.catalog-branch-title small {
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.catalog-branch-toggle {
  position: relative;
  width: 28px;
  height: 28px;
  justify-self: end;
}

.catalog-branch-toggle::before,
.catalog-branch-toggle::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 1px;
  background: var(--copper);
  content: "";
  transform: translate(-50%, -50%);
  transition: transform 180ms ease;
}

.catalog-branch-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.catalog-branch[open] .catalog-branch-toggle::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.catalog-leaves {
  position: relative;
  padding: 0 28px 32px 96px;
}

.catalog-leaves::before {
  position: absolute;
  top: 0;
  bottom: 32px;
  left: 60px;
  width: 1px;
  background: rgba(149, 104, 74, 0.35);
  content: "";
}

.catalog-leaves-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
}

.catalog-leaf {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid rgba(36, 39, 35, 0.1);
  padding: 16px 18px;
  background: rgba(250, 248, 243, 0.88);
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.catalog-leaf::before {
  position: absolute;
  top: 50%;
  left: -36px;
  width: 36px;
  height: 1px;
  background: rgba(149, 104, 74, 0.35);
  content: "";
}

/* In the two-column layout, a right-column connector would cross the PDF
   label in the card to its left. Only the first card in each row connects
   to the branch spine; the single-column layout restores every connector. */
.catalog-leaf:nth-child(even)::before {
  display: none;
}

.catalog-leaf:hover,
.catalog-leaf:focus-visible {
  border-color: rgba(149, 104, 74, 0.55);
  color: var(--copper);
  background: var(--paper);
}

.catalog-leaf > span {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.catalog-leaf strong {
  overflow-wrap: anywhere;
  font-size: 0.85rem;
  font-weight: 650;
  line-height: 1.45;
}

.catalog-leaf small {
  color: var(--ink-soft);
  font-size: 0.63rem;
  letter-spacing: 0.04em;
}

.catalog-leaf em {
  flex: 0 0 auto;
  color: var(--copper);
  font-size: 0.66rem;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.catalog-leaf-action {
  display: grid;
  justify-items: end;
  gap: 6px;
}

.catalog-leaf .catalog-cover-recommendation {
  border: 1px solid rgba(149, 104, 74, 0.38);
  padding: 3px 7px;
  color: var(--copper);
  font-size: 0.52rem;
  font-style: normal;
  font-weight: 650;
  letter-spacing: 0.12em;
  line-height: 1.2;
  white-space: nowrap;
}

.catalog-library-note {
  display: grid;
  margin-top: 42px;
  border-left: 2px solid var(--copper-light);
  padding: 6px 0 6px 22px;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 28px;
}

.catalog-library-note strong {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.catalog-library-note p {
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.8;
}

.catalog-page-footer {
  padding: 48px 0;
  color: rgba(250, 248, 243, 0.62);
  background: var(--night);
}

.catalog-page-footer .shell {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}

.catalog-page-footer .brand-mark {
  color: var(--paper);
}

.catalog-page-footer p {
  font-size: 0.72rem;
}

@media (max-width: 900px) {
  .catalog-tree-hero-grid,
  .catalog-library-toolbar {
    grid-template-columns: 1fr;
  }

  .catalog-tree-intro {
    max-width: 660px;
  }

  .catalog-search-wrap {
    max-width: 560px;
  }

  .catalog-leaves-grid {
    grid-template-columns: 1fr;
  }

  .catalog-leaf:nth-child(even)::before {
    display: block;
  }
}

@media (max-width: 700px) {
  .catalog-page-header-inner {
    min-height: 82px;
  }

  .catalog-page-header .brand-sub {
    display: none;
  }

  .catalog-back-link {
    font-size: 0.7rem;
  }

  .catalog-tree-hero {
    padding-top: 62px;
  }

  .catalog-tree-hero h1 {
    font-size: clamp(3rem, 15vw, 4.6rem);
  }

  .catalog-branch summary {
    min-height: 108px;
    padding: 20px 16px;
    grid-template-columns: 38px minmax(0, 1fr) 28px;
    gap: 12px;
  }

  .catalog-branch-title strong {
    font-size: clamp(1.28rem, 6vw, 1.7rem);
  }

  .catalog-branch-title small {
    font-size: 0.61rem;
    letter-spacing: 0.04em;
  }

  .catalog-leaves {
    padding: 0 12px 22px 44px;
  }

  .catalog-leaves::before {
    bottom: 22px;
    left: 24px;
  }

  .catalog-leaf {
    min-height: 70px;
    gap: 12px;
    padding: 14px;
  }

  .catalog-leaf::before {
    left: -20px;
    width: 20px;
  }

  .catalog-leaf em {
    font-size: 0.6rem;
  }

  .catalog-library-note {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .catalog-page-footer .shell {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  .catalog-page-header .brand-name {
    font-size: 0.95rem;
  }

  .catalog-back-link {
    letter-spacing: 0.02em;
  }

  .catalog-leaf {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .catalog-leaf em {
    align-self: flex-end;
  }
}

/* Footer navigation mirrors the primary navigation. The About menu opens
   upward so both company dialogs remain accessible at the bottom of the page. */
.site-footer .footer-nav {
  align-items: center;
}

.site-footer .footer-nav-dropdown {
  width: auto;
}

.site-footer .footer-nav-dropdown .nav-dropdown-trigger {
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
}

.site-footer .footer-nav-dropdown .nav-dropdown-panel {
  position: absolute;
  top: auto;
  bottom: calc(100% + 9px);
  left: 0;
  display: block;
  width: min(224px, calc(100vw - 40px));
  visibility: hidden;
  opacity: 0;
  transform: translateY(9px) scaleY(0.94);
  transform-origin: bottom center;
}

.site-footer .footer-nav-dropdown .nav-dropdown-panel::before {
  top: 100%;
  bottom: auto;
}

.site-footer .footer-nav-dropdown:hover .nav-dropdown-panel,
.site-footer .footer-nav-dropdown.is-open .nav-dropdown-panel {
  visibility: visible;
  opacity: 1;
  transform: translateY(0) scaleY(1);
}

.site-footer .footer-nav-dropdown.is-click-closed:hover .nav-dropdown-panel {
  visibility: hidden;
  opacity: 0;
  transform: translateY(9px) scaleY(0.94);
}