:root {
  --paper: #f2eee5;
  --paper-raised: #f8f5ee;
  --paper-deep: #e6dfd2;
  --navy: #071724;
  --navy-soft: #0d2535;
  --navy-line: rgba(242, 238, 229, 0.2);
  --ink: #071a29;
  --ink-soft: #44515a;
  --muted: #667078;
  --orange: #d85422;
  --orange-dark: #b94318;
  --orange-pale: #e8b49f;
  --line: rgba(7, 26, 41, 0.2);
  --line-soft: rgba(7, 26, 41, 0.11);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, "Songti SC", "STSong", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --gutter: clamp(20px, 4.2vw, 72px);
  --max: 1480px;
  --header-h: 82px;
  --ease: cubic-bezier(0.2, 0.75, 0.25, 1);
}

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

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

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

body.menu-open {
  overflow: hidden;
}

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

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

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

button {
  cursor: pointer;
}

p,
h1,
h2,
h3,
h4,
ul,
ol,
dl,
figure,
blockquote {
  margin-top: 0;
}

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

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--paper);
  background: var(--navy);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

.container {
  width: min(100%, var(--max));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.narrow {
  max-width: 920px;
}

.utility-bar {
  color: rgba(242, 238, 229, 0.78);
  background: var(--navy);
  border-bottom: 1px solid rgba(242, 238, 229, 0.12);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.utility-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 34px;
  gap: 20px;
}

.utility-bar a {
  text-decoration: none;
}

.utility-bar a:hover {
  color: var(--paper);
}

.utility-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  background: var(--orange);
  vertical-align: 1px;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(242, 238, 229, 0.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.header-main {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: var(--header-h);
  gap: clamp(24px, 4vw, 64px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: max-content;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  background: var(--paper-raised);
  border: 1px solid var(--line);
}

.brand-mark img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.brand-type {
  display: grid;
  line-height: 1;
}

.brand-word {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.brand-sub {
  margin-top: 7px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 2.4vw, 38px);
}

.desktop-nav a {
  position: relative;
  padding: 30px 0 27px;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.05em;
  text-decoration: none;
  white-space: nowrap;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 260ms var(--ease);
}

.desktop-nav a:hover::after,
.desktop-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.desktop-nav a[aria-current="page"] {
  color: var(--orange-dark);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.lang-switch {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  white-space: nowrap;
}

.lang-switch:hover {
  color: var(--orange-dark);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 12px 9px;
  background: transparent;
  border: 1px solid var(--line);
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  margin: 5px 0;
  background: var(--ink);
  transition: transform 220ms var(--ease), opacity 160ms ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-nav {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  max-height: calc(100vh - var(--header-h));
  padding: 18px var(--gutter) 30px;
  overflow-y: auto;
  background: var(--paper);
  border-top: 1px solid var(--line);
  box-shadow: 0 24px 50px rgba(4, 17, 27, 0.16);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav nav {
  display: grid;
}

.mobile-nav nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  font-size: 18px;
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.mobile-nav nav a::after {
  color: var(--orange);
  content: "↗";
  font-size: 14px;
}

.mobile-nav .mobile-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  margin-top: 24px;
  font-size: 13px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 1px;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.13em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 220ms ease, background 220ms ease, border-color 220ms ease;
}

.button::after {
  margin-left: 14px;
  content: "↗";
  font-size: 14px;
  line-height: 1;
}

.button-primary {
  color: var(--paper);
  background: var(--orange);
  border-color: var(--orange);
}

.button-primary:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
}

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

.button-dark:hover {
  background: var(--navy-soft);
  border-color: var(--navy-soft);
}

.button-outline {
  color: var(--ink);
  background: transparent;
  border-color: var(--line);
}

.button-outline:hover {
  color: var(--orange-dark);
  border-color: var(--orange);
}

.button-on-dark {
  color: var(--paper);
  background: transparent;
  border-color: rgba(242, 238, 229, 0.42);
}

.button-on-dark:hover {
  color: var(--navy);
  background: var(--paper);
  border-color: var(--paper);
}

.button-small {
  min-height: 42px;
  padding: 10px 17px;
  font-size: 10px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 5px;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
  border-bottom: 1px solid var(--ink);
}

.text-link::after {
  content: "→";
  color: var(--orange);
  transition: transform 200ms var(--ease);
}

.text-link:hover::after {
  transform: translateX(5px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  color: var(--orange-dark);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.2em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 1px;
  content: "";
  background: currentColor;
}

.eyebrow-light {
  color: var(--orange-pale);
}

.display {
  margin-bottom: 30px;
  font-family: var(--serif);
  font-size: clamp(54px, 8.2vw, 128px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.91;
}

.display em {
  color: var(--orange);
  font-weight: 400;
}

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

.lede {
  max-width: 650px;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.35vw, 21px);
  line-height: 1.58;
}

.lede-light {
  color: rgba(242, 238, 229, 0.76);
}

.section {
  padding-block: clamp(76px, 9vw, 150px);
}

.section-tight {
  padding-block: clamp(54px, 6vw, 96px);
}

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

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

.section-navy .lede,
.section-navy .body-copy {
  color: rgba(242, 238, 229, 0.7);
}

.section-navy .eyebrow {
  color: var(--orange-pale);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(150px, 0.35fr) minmax(0, 1fr);
  padding-top: 24px;
  gap: clamp(28px, 6vw, 100px);
  border-top: 1px solid var(--line);
}

.section-navy .section-head {
  border-color: var(--navy-line);
}

.section-head-main {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.7fr);
  gap: clamp(28px, 6vw, 90px);
  align-items: end;
}

.section-title {
  max-width: 840px;
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(38px, 5vw, 72px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.section-title em {
  color: var(--orange);
  font-weight: 400;
}

.section-navy .section-title {
  color: var(--paper);
}

.body-copy {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

.body-copy p:last-child {
  margin-bottom: 0;
}

.small-label {
  color: var(--muted);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.17em;
  line-height: 1.4;
  text-transform: uppercase;
}

.rule-orange {
  width: 62px;
  height: 3px;
  margin: 26px 0;
  background: var(--orange);
}

.hero {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  background: var(--navy);
  border-bottom: 1px solid var(--navy-line);
}

.hero::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, transparent 0 48.9%, rgba(242, 238, 229, 0.1) 49%, rgba(242, 238, 229, 0.1) 49.08%, transparent 49.18%),
    linear-gradient(rgba(242, 238, 229, 0.045) 1px, transparent 1px);
  background-size: 100% 100%, 100% 84px;
  opacity: 0.9;
}

.hero::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 7vw;
  width: 1px;
  pointer-events: none;
  content: "";
  background: rgba(216, 84, 34, 0.5);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(360px, 0.94fr);
  min-height: clamp(620px, calc(100vh - 116px), 850px);
  gap: clamp(28px, 4vw, 64px);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(68px, 8vw, 120px) 50px;
}

.hero .eyebrow {
  color: var(--orange-pale);
}

.hero .display {
  max-width: 760px;
  color: var(--paper);
}

.hero .lede {
  max-width: 600px;
  margin-bottom: 0;
  color: rgba(242, 238, 229, 0.72);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.hero-index {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 630px;
  margin-top: auto;
  padding-top: 60px;
  gap: 0;
}

.hero-index a {
  padding: 17px 12px 3px 0;
  color: rgba(242, 238, 229, 0.62);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-decoration: none;
  text-transform: uppercase;
  border-top: 1px solid var(--navy-line);
  transition: color 180ms ease;
}

.hero-index a span {
  display: block;
  margin-bottom: 9px;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.hero-index a:hover {
  color: var(--paper);
}

.hero-visual {
  position: relative;
  min-height: 100%;
  margin-right: calc(var(--gutter) * -1);
}

.hero-photo {
  position: absolute;
  inset: 40px 0 40px 30px;
  background-color: var(--navy-soft);
  background-image:
    linear-gradient(180deg, rgba(7, 23, 36, 0.08), rgba(7, 23, 36, 0.44)),
    url("assets/hero.jpg"),
    url("assets/photo-1.png");
  background-position: center;
  background-size: cover;
  filter: saturate(0.62) contrast(1.08);
  border-left: 1px solid rgba(216, 84, 34, 0.9);
}

.hero-photo::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(135deg, rgba(7, 23, 36, 0.1), rgba(7, 23, 36, 0.48));
}

.hero-frame {
  position: absolute;
  z-index: 2;
  inset: 62px 32px 62px 0;
  pointer-events: none;
  border-top: 1px solid rgba(242, 238, 229, 0.5);
  border-bottom: 1px solid rgba(242, 238, 229, 0.5);
}

.hero-frame::before,
.hero-frame::after {
  position: absolute;
  width: 18px;
  height: 18px;
  content: "";
}

.hero-frame::before {
  top: -1px;
  right: 0;
  border-top: 1px solid var(--paper);
  border-right: 1px solid var(--paper);
}

.hero-frame::after {
  bottom: -1px;
  left: 0;
  border-bottom: 1px solid var(--paper);
  border-left: 1px solid var(--paper);
}

.hero-figure-label {
  position: absolute;
  z-index: 3;
  right: 32px;
  bottom: 90px;
  width: min(270px, 60%);
  padding: 16px 18px;
  color: var(--paper);
  background: rgba(7, 23, 36, 0.84);
  border-left: 2px solid var(--orange);
  font-size: 9px;
  letter-spacing: 0.14em;
  line-height: 1.55;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}

.hero-blueprint {
  position: absolute;
  z-index: 3;
  top: 88px;
  left: -18px;
  display: grid;
  width: 150px;
  height: 150px;
  place-items: center;
  color: var(--paper);
  border: 1px solid rgba(242, 238, 229, 0.35);
  background: rgba(7, 23, 36, 0.62);
  backdrop-filter: blur(6px);
}

.hero-blueprint::before,
.hero-blueprint::after {
  position: absolute;
  content: "";
  background: rgba(242, 238, 229, 0.35);
}

.hero-blueprint::before {
  width: 100%;
  height: 1px;
}

.hero-blueprint::after {
  width: 1px;
  height: 100%;
}

.blueprint-ring {
  display: grid;
  width: 80px;
  height: 80px;
  place-items: center;
  border: 1px solid var(--orange);
  border-radius: 50%;
}

.blueprint-ring::before {
  width: 46px;
  height: 46px;
  content: "";
  border: 1px solid rgba(242, 238, 229, 0.5);
  border-radius: 50%;
}

.blueprint-ring::after {
  position: absolute;
  width: 12px;
  height: 12px;
  content: "";
  background: var(--orange);
}

.hero-blueprint small {
  position: absolute;
  right: 8px;
  bottom: 7px;
  color: rgba(242, 238, 229, 0.62);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.08em;
}

.hero-meta {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--navy-line);
}

.hero-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.hero-meta-item {
  padding: 22px 24px 24px 0;
}

.hero-meta-item + .hero-meta-item {
  padding-left: 24px;
  border-left: 1px solid var(--navy-line);
}

.hero-meta-item span {
  display: block;
  margin-bottom: 6px;
  color: rgba(242, 238, 229, 0.45);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.hero-meta-item strong {
  color: rgba(242, 238, 229, 0.82);
  font-size: 11px;
  font-weight: 550;
  letter-spacing: 0.04em;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.65fr);
  gap: clamp(42px, 8vw, 130px);
  align-items: start;
}

.intro-copy .section-title {
  max-width: 890px;
}

.intro-copy .body-copy {
  max-width: 720px;
  margin-top: 35px;
}

.capability-list {
  border-top: 1px solid var(--ink);
}

.capability-item {
  display: grid;
  grid-template-columns: 36px 1fr;
  padding: 18px 0;
  gap: 10px;
  border-bottom: 1px solid var(--line);
}

.capability-item span {
  color: var(--orange-dark);
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.8;
}

.capability-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 13px;
  font-weight: 700;
}

.capability-item p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.product-ledger {
  margin-top: 66px;
  border-top: 1px solid var(--ink);
}

.product-row {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) minmax(290px, 0.66fr);
  align-items: stretch;
  padding: 34px 0;
  gap: clamp(25px, 4vw, 62px);
  border-bottom: 1px solid var(--line);
}

.product-number {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.product-row-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 7px 0;
}

.product-row h3 {
  margin-bottom: 15px;
  font-family: var(--serif);
  font-size: clamp(33px, 3.5vw, 52px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.product-row p {
  max-width: 610px;
  margin-bottom: 25px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 5px 9px;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.3;
  text-transform: uppercase;
}

.product-row-figure {
  position: relative;
  display: flex;
  align-items: center;
  padding-left: clamp(20px, 3vw, 44px);
  border-left: 1px solid var(--line);
}

.product-row-figure img {
  width: 100%;
  transition: transform 500ms var(--ease);
}

.product-row:hover .product-row-figure img {
  transform: translateY(-4px);
}

.product-row-figure figcaption {
  position: absolute;
  right: 0;
  bottom: -2px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.process-band {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  background: var(--navy);
}

.process-band::before {
  position: absolute;
  top: -130px;
  right: -90px;
  width: 440px;
  height: 440px;
  content: "";
  border: 1px solid rgba(242, 238, 229, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(242, 238, 229, 0.025), 0 0 0 140px rgba(242, 238, 229, 0.02);
}

.process-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: end;
  padding-top: 24px;
  gap: 50px;
  border-top: 1px solid var(--navy-line);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 70px;
  border-top: 1px solid var(--navy-line);
}

.process-step {
  position: relative;
  min-height: 285px;
  padding: 25px 28px 30px 0;
}

.process-step + .process-step {
  padding-left: 28px;
  border-left: 1px solid var(--navy-line);
}

.process-step-number {
  display: block;
  margin-bottom: 62px;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.process-step h3 {
  margin-bottom: 12px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.process-step p {
  margin: 0;
  color: rgba(242, 238, 229, 0.58);
  font-size: 12px;
  line-height: 1.7;
}

.process-step::after {
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--orange);
}

.process-step + .process-step::after {
  left: 27px;
}

.materials-band {
  background: var(--paper-deep);
}

.materials-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  padding-top: 26px;
  gap: clamp(40px, 8vw, 130px);
  border-top: 1px solid var(--line);
}

.materials-copy .section-title {
  max-width: 510px;
}

.materials-copy .body-copy {
  max-width: 480px;
  margin: 28px 0 34px;
}

.grade-board {
  border-top: 1px solid var(--ink);
}

.grade-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  padding: 21px 0;
  gap: 25px;
  border-bottom: 1px solid var(--line);
}

.grade-row dt {
  color: var(--muted);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.grade-row dd {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.025em;
  line-height: 1.8;
}

.grade-row dd span {
  color: var(--orange-dark);
}

.note-strip {
  display: grid;
  grid-template-columns: 150px 1fr;
  margin-top: 42px;
  padding: 23px 0;
  gap: 30px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.note-strip strong {
  color: var(--orange-dark);
  font-size: 9px;
  letter-spacing: 0.15em;
  line-height: 1.5;
  text-transform: uppercase;
}

.note-strip p {
  max-width: 800px;
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
}

.faq-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(40px, 8vw, 130px);
}

.faq-intro {
  position: sticky;
  top: calc(var(--header-h) + 28px);
  align-self: start;
}

.faq-intro .section-title {
  font-size: clamp(38px, 4.5vw, 62px);
}

.faq-list {
  border-top: 1px solid var(--ink);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  position: relative;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 23px 50px 23px 0;
  gap: 22px;
  list-style: none;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.45;
}

.faq-item summary::after {
  position: absolute;
  top: 22px;
  right: 4px;
  color: var(--orange);
  content: "+";
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 780px;
  padding: 0 48px 25px 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.cta-band {
  position: relative;
  overflow: hidden;
  color: var(--navy);
  background: var(--orange);
}

.cta-band::after {
  position: absolute;
  right: -7vw;
  bottom: -32vw;
  width: 66vw;
  height: 66vw;
  content: "";
  border: 1px solid rgba(7, 23, 36, 0.18);
  border-radius: 50%;
  box-shadow: 0 0 0 5vw rgba(7, 23, 36, 0.035), 0 0 0 10vw rgba(7, 23, 36, 0.025);
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.6fr);
  align-items: end;
  padding-block: clamp(70px, 9vw, 130px);
  gap: 60px;
}

.cta-title {
  max-width: 900px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(44px, 6.8vw, 102px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.94;
}

.cta-title em {
  font-weight: 400;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.14em;
}

.cta-side p {
  max-width: 390px;
  margin-bottom: 26px;
  font-size: 14px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cta-band .button-outline {
  border-color: rgba(7, 23, 36, 0.4);
}

.cta-band .button-outline:hover {
  color: var(--paper);
  background: var(--navy);
  border-color: var(--navy);
}

.site-footer {
  color: rgba(242, 238, 229, 0.68);
  background: var(--navy);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(260px, 1.4fr) repeat(3, minmax(130px, 0.6fr));
  padding-block: 66px;
  gap: clamp(30px, 5vw, 80px);
  border-bottom: 1px solid var(--navy-line);
}

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

.footer-brand .brand-mark {
  background: var(--paper);
  border: 0;
}

.footer-brand .brand-sub {
  color: rgba(242, 238, 229, 0.45);
}

.footer-brand p {
  max-width: 355px;
  margin: 24px 0 0;
  color: rgba(242, 238, 229, 0.5);
  font-size: 12px;
  line-height: 1.7;
}

.footer-col h2 {
  margin-bottom: 19px;
  color: rgba(242, 238, 229, 0.42);
  font-size: 8px;
  font-weight: 750;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

.footer-col ul {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 10px;
  list-style: none;
}

.footer-col a {
  color: rgba(242, 238, 229, 0.74);
  font-size: 12px;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--orange-pale);
}

.footer-bottom {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding-block: 24px;
  gap: 30px;
  color: rgba(242, 238, 229, 0.38);
  font-size: 9px;
  letter-spacing: 0.04em;
  line-height: 1.65;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom .legal-name {
  color: rgba(242, 238, 229, 0.48);
}

.preview-note {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(242, 238, 229, 0.52);
  white-space: nowrap;
}

.preview-note::before {
  width: 5px;
  height: 5px;
  content: "";
  background: var(--orange);
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(64px, 8vw, 120px) clamp(58px, 7vw, 98px);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-hero::after {
  position: absolute;
  top: -110px;
  right: 4vw;
  width: 360px;
  height: 360px;
  pointer-events: none;
  content: "";
  border: 1px solid var(--line-soft);
  border-radius: 50%;
  box-shadow: 0 0 0 48px rgba(7, 26, 41, 0.018), 0 0 0 96px rgba(7, 26, 41, 0.012);
}

.breadcrumbs {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 38px;
  gap: 8px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.breadcrumbs a {
  text-decoration: none;
}

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

.breadcrumbs span[aria-hidden="true"] {
  color: var(--orange);
}

.page-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.55fr);
  align-items: end;
  gap: clamp(40px, 8vw, 130px);
}

.page-hero h1 {
  max-width: 980px;
  margin-bottom: 28px;
  font-family: var(--serif);
  font-size: clamp(48px, 7vw, 107px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.94;
}

.page-hero h1 em {
  color: var(--orange);
  font-weight: 400;
}

.page-hero .lede {
  max-width: 720px;
}

.page-aside {
  padding-left: 25px;
  border-left: 1px solid var(--ink);
}

.page-aside .small-label {
  margin-bottom: 13px;
}

.page-aside p {
  margin-bottom: 20px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.7;
}

.aside-list {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 8px;
  list-style: none;
}

.aside-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 8px;
  gap: 15px;
  font-size: 11px;
  border-top: 1px solid var(--line-soft);
}

.aside-list li span {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.aside-list li strong {
  font-weight: 650;
  text-align: right;
}

.finder-section {
  padding-block: clamp(64px, 7vw, 105px);
}

.finder-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.58fr) minmax(0, 1.42fr);
  align-items: start;
  gap: clamp(40px, 8vw, 130px);
}

.finder-intro {
  position: sticky;
  top: calc(var(--header-h) + 26px);
}

.finder-intro h2 {
  margin-bottom: 22px;
  font-family: var(--serif);
  font-size: clamp(40px, 4.5vw, 64px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.finder-intro p {
  max-width: 430px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.finder-controls {
  margin-bottom: 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ink);
}

.search-field {
  position: relative;
  margin-bottom: 18px;
}

.search-field label {
  display: block;
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.search-field input {
  width: 100%;
  min-height: 56px;
  padding: 14px 48px 14px 16px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 0;
}

.search-field::after {
  position: absolute;
  right: 18px;
  bottom: 18px;
  color: var(--orange);
  content: "⌕";
  font-size: 22px;
  line-height: 1;
  pointer-events: none;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.filter-chip {
  min-height: 34px;
  padding: 7px 12px;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.filter-chip:hover,
.filter-chip[aria-pressed="true"] {
  color: var(--paper);
  background: var(--navy);
  border-color: var(--navy);
}

.finder-count {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.06em;
}

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

.finder-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  align-items: center;
  padding: 19px 0;
  gap: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.finder-item[hidden] {
  display: none;
}

.finder-item-code {
  color: var(--orange-dark);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
}

.finder-item h3 {
  margin-bottom: 3px;
  font-size: 14px;
  font-weight: 650;
}

.finder-item p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.finder-item a {
  padding: 8px 0;
  color: var(--ink);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.finder-item a::after {
  margin-left: 8px;
  color: var(--orange);
  content: "→";
}

.finder-item a:hover {
  color: var(--orange-dark);
}

.no-results {
  padding: 30px 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.no-results[hidden] {
  display: none;
}

.comparison-wrap {
  overflow-x: auto;
  border-top: 1px solid var(--ink);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  text-align: left;
}

.data-table caption {
  padding: 0 0 20px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-align: left;
}

.data-table th {
  padding: 14px 18px 14px 0;
  color: var(--muted);
  font-size: 8px;
  font-weight: 750;
  letter-spacing: 0.14em;
  line-height: 1.5;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.data-table td {
  min-width: 150px;
  padding: 17px 18px 17px 0;
  vertical-align: top;
  line-height: 1.6;
  border-bottom: 1px solid var(--line-soft);
}

.data-table th:first-child,
.data-table td:first-child {
  min-width: 180px;
  color: var(--ink);
  font-weight: 650;
}

.data-table tr:hover td {
  background: rgba(7, 26, 41, 0.025);
}

.detail-hero {
  padding-block: clamp(48px, 6vw, 84px) clamp(62px, 8vw, 105px);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.detail-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(350px, 0.78fr);
  align-items: center;
  gap: clamp(44px, 7vw, 105px);
}

.detail-hero h1 {
  max-width: 760px;
  margin-bottom: 26px;
  font-family: var(--serif);
  font-size: clamp(50px, 6.3vw, 94px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.detail-hero h1 em {
  color: var(--orange);
  font-weight: 400;
}

.detail-hero .lede {
  max-width: 660px;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 33px;
}

.diagram-panel {
  position: relative;
  padding: 18px;
  background: var(--paper-deep);
  border: 1px solid var(--line);
}

.diagram-panel::before {
  position: absolute;
  z-index: 1;
  top: -1px;
  left: 26px;
  width: 72px;
  height: 3px;
  content: "";
  background: var(--orange);
}

.diagram-panel img {
  width: 100%;
}

.diagram-panel figcaption {
  display: flex;
  justify-content: space-between;
  padding: 12px 3px 0;
  gap: 15px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.04em;
  line-height: 1.5;
  text-transform: uppercase;
}

.quick-checks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 44px;
  border-top: 1px solid var(--line);
}

.quick-check {
  padding: 15px 15px 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.quick-check:nth-child(even) {
  padding-left: 18px;
  border-left: 1px solid var(--line-soft);
}

.quick-check span {
  display: block;
  margin-bottom: 4px;
  color: var(--orange-dark);
  font-family: var(--mono);
  font-size: 8px;
}

.quick-check strong {
  font-size: 11px;
  font-weight: 650;
}

.content-split {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(35px, 8vw, 120px);
}

.content-split-head {
  position: sticky;
  top: calc(var(--header-h) + 25px);
  align-self: start;
}

.content-split-head h2 {
  margin-bottom: 18px;
  font-family: var(--serif);
  font-size: clamp(36px, 4.2vw, 60px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.content-split-head p {
  max-width: 360px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.range-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.range-list li {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: baseline;
  padding: 15px 0;
  gap: 15px;
  border-bottom: 1px solid var(--line-soft);
}

.range-list li span:first-child {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 8px;
}

.range-list li strong {
  font-size: 13px;
  font-weight: 600;
}

.range-list li span:last-child {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-align: right;
  text-transform: uppercase;
}

.spec-section {
  padding-block: clamp(65px, 7vw, 105px);
  background: var(--paper-raised);
  border-block: 1px solid var(--line);
}

.spec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.6fr);
  align-items: end;
  margin-bottom: 36px;
  gap: 40px;
}

.spec-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(38px, 4.7vw, 66px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.spec-head p {
  max-width: 500px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.table-note {
  display: flex;
  align-items: flex-start;
  margin-top: 20px;
  padding-top: 17px;
  gap: 13px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.65;
  border-top: 1px solid var(--line);
}

.table-note::before {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 3px;
  content: "";
  background: var(--orange);
}

.grade-block {
  padding: 30px;
  background: var(--paper);
  border-left: 3px solid var(--orange);
}

.grade-block h3 {
  margin-bottom: 11px;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.grade-block p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.8;
}

.grade-block .dot {
  color: var(--orange);
}

.processing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 42px;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}

.processing-item {
  min-height: 190px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.processing-item span {
  display: block;
  margin-bottom: 25px;
  color: var(--orange-dark);
  font-family: var(--mono);
  font-size: 8px;
}

.processing-item h3 {
  margin-bottom: 9px;
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 400;
  line-height: 1.15;
}

.processing-item p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.check-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 48px;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.check-list li {
  position: relative;
  padding: 13px 0 13px 22px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.55;
  border-bottom: 1px solid var(--line-soft);
}

.check-list li::before {
  position: absolute;
  top: 20px;
  left: 0;
  width: 8px;
  height: 1px;
  content: "";
  background: var(--orange);
}

.split-note {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(38px, 7vw, 105px);
  align-items: start;
}

.split-note h2 {
  margin-bottom: 24px;
  font-family: var(--serif);
  font-size: clamp(38px, 5vw, 70px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.01;
}

.split-note .body-copy {
  max-width: 630px;
}

.evidence-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.evidence-list li {
  display: grid;
  grid-template-columns: 38px 1fr;
  padding: 17px 0;
  gap: 15px;
  border-bottom: 1px solid var(--line);
}

.evidence-list li span {
  color: var(--orange-dark);
  font-family: var(--mono);
  font-size: 8px;
  line-height: 1.8;
}

.evidence-list li strong {
  display: block;
  margin-bottom: 3px;
  font-size: 13px;
  font-weight: 650;
}

.evidence-list li p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.story-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  align-items: center;
  gap: clamp(44px, 8vw, 120px);
}

.story-image {
  position: relative;
  padding: 0 0 0 18px;
}

.story-image::before {
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 0;
  width: 1px;
  content: "";
  background: var(--orange);
}

.story-image img {
  width: 100%;
  filter: saturate(0.75) contrast(1.03);
}

.story-image figcaption {
  display: flex;
  justify-content: space-between;
  margin-top: 11px;
  gap: 20px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.05em;
  line-height: 1.6;
  text-transform: uppercase;
}

.story-copy h2 {
  margin-bottom: 25px;
  font-family: var(--serif);
  font-size: clamp(38px, 5vw, 70px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.story-copy .body-copy {
  max-width: 650px;
}

.legal-panel {
  display: grid;
  grid-template-columns: minmax(160px, 0.4fr) minmax(0, 1fr);
  margin-top: 48px;
  padding: 27px 0;
  gap: 35px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.legal-panel h2 {
  margin: 0;
  color: var(--muted);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.15em;
  line-height: 1.6;
  text-transform: uppercase;
}

.legal-panel dl {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  margin: 0;
  gap: 14px 25px;
  font-size: 12px;
}

.legal-panel dt {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.legal-panel dd {
  margin: 0;
  line-height: 1.55;
}

.contact-hero {
  padding-block: clamp(70px, 9vw, 126px) clamp(55px, 7vw, 92px);
  color: var(--paper);
  background: var(--navy);
}

.contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.55fr);
  align-items: end;
  gap: clamp(40px, 8vw, 120px);
}

.contact-hero h1 {
  max-width: 920px;
  margin-bottom: 28px;
  font-family: var(--serif);
  font-size: clamp(50px, 7.5vw, 110px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.93;
}

.contact-hero h1 em {
  color: var(--orange);
  font-weight: 400;
}

.contact-hero .lede {
  max-width: 690px;
  color: rgba(242, 238, 229, 0.7);
}

.contact-hero .page-aside {
  border-color: var(--navy-line);
}

.contact-hero .page-aside p {
  color: rgba(242, 238, 229, 0.62);
}

.contact-hero .breadcrumbs {
  color: rgba(242, 238, 229, 0.5);
}

.contact-hero .breadcrumbs a:hover {
  color: var(--orange-pale);
}

.contact-hero .aside-list li {
  border-color: var(--navy-line);
}

.contact-hero .aside-list li span {
  color: rgba(242, 238, 229, 0.4);
}

.contact-hero .aside-list li strong {
  color: rgba(242, 238, 229, 0.86);
}

.contact-main {
  padding-block: clamp(65px, 8vw, 110px);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.38fr) minmax(300px, 0.62fr);
  align-items: start;
  gap: clamp(45px, 8vw, 120px);
}

.form-intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 38px;
  padding-bottom: 24px;
  gap: 30px;
  border-bottom: 1px solid var(--ink);
}

.form-intro h2 {
  max-width: 570px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(36px, 4.5vw, 58px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.03;
}

.form-intro p {
  max-width: 280px;
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.rfq-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 20px;
}

.form-field {
  display: grid;
  gap: 7px;
}

.form-field-full {
  grid-column: 1 / -1;
}

.form-field label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.form-field label .req {
  color: var(--orange);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 51px;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 0;
  font-size: 14px;
  transition: border-color 180ms ease, background 180ms ease;
}

.form-field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 2px), calc(100% - 13px) calc(50% - 2px);
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
}

.form-field textarea {
  min-height: 150px;
  resize: vertical;
}

.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover {
  border-color: rgba(7, 26, 41, 0.4);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  background: var(--paper);
  border-color: var(--orange);
  outline: 0;
  box-shadow: 0 0 0 1px var(--orange);
}

.form-field input[aria-invalid="true"],
.form-field select[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
  border-color: #a52d16;
  box-shadow: inset 3px 0 0 #a52d16;
}

.field-error {
  min-height: 0;
  color: #982a15;
  font-size: 10px;
  line-height: 1.4;
}

.field-error:empty {
  display: none;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding-top: 6px;
  gap: 18px;
}

.form-actions .button {
  min-width: 260px;
}

.form-actions p {
  max-width: 360px;
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.55;
}

.form-status {
  grid-column: 1 / -1;
  display: none;
  padding: 14px 16px;
  color: var(--ink);
  background: #ead8c9;
  border-left: 3px solid var(--orange);
  font-size: 12px;
  line-height: 1.6;
}

.form-status.is-visible {
  display: block;
}

.contact-aside {
  position: sticky;
  top: calc(var(--header-h) + 28px);
}

.direct-contact {
  padding: 30px;
  color: var(--paper);
  background: var(--navy);
}

.direct-contact h2 {
  margin-bottom: 24px;
  color: rgba(242, 238, 229, 0.42);
  font-size: 8px;
  font-weight: 750;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.contact-channel {
  display: block;
  margin-bottom: 22px;
  text-decoration: none;
}

.contact-channel span {
  display: block;
  margin-bottom: 4px;
  color: rgba(242, 238, 229, 0.4);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-channel strong {
  display: block;
  color: var(--paper);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.contact-channel:hover strong {
  color: var(--orange-pale);
}

.whatsapp-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 28px;
  padding: 13px 15px;
  gap: 18px;
  color: var(--paper);
  border: 1px solid var(--navy-line);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
}

.whatsapp-button::after {
  color: var(--orange-pale);
  content: "↗";
  font-size: 14px;
}

.whatsapp-button:hover {
  border-color: var(--orange-pale);
}

.contact-aside-note {
  margin-top: 25px;
  padding-top: 20px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.7;
  border-top: 1px solid var(--line);
}

.contact-aside-note strong {
  display: block;
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.inquiry-preparation {
  padding-block: clamp(62px, 7vw, 100px);
  background: var(--paper-deep);
}

.prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(40px, 8vw, 125px);
}

.prep-grid h2 {
  margin-bottom: 22px;
  font-family: var(--serif);
  font-size: clamp(38px, 4.7vw, 66px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.prep-grid p {
  max-width: 430px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.mini-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 0.6fr);
  gap: clamp(35px, 7vw, 100px);
}

.mini-index > div {
  border-top: 1px solid var(--ink);
}

.mini-index a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 18px 0;
  gap: 20px;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.mini-index a span {
  color: var(--orange-dark);
  font-family: var(--mono);
  font-size: 8px;
}

.mini-index a strong {
  flex: 1;
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 400;
}

.mini-index a::after {
  color: var(--orange);
  content: "→";
}

.mini-index a:hover strong {
  color: var(--orange-dark);
}

.mini-index-note {
  align-self: end;
}

.mini-index-note p {
  margin-bottom: 21px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.7;
}

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

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1180px) {
  .desktop-nav {
    gap: 18px;
  }

  .desktop-nav a {
    font-size: 11px;
  }

  .header-actions .button {
    display: none;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  }

  .hero-blueprint {
    width: 118px;
    height: 118px;
    left: -12px;
  }
}

@media (max-width: 980px) {
  :root {
    --header-h: 74px;
  }

  .desktop-nav,
  .header-actions > .button {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .header-main {
    grid-template-columns: 1fr auto auto;
    gap: 18px;
  }

  .header-actions {
    gap: 15px;
  }

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

  .hero-copy {
    min-height: 560px;
    padding-bottom: 12px;
  }

  .hero-index {
    padding-top: 48px;
  }

  .hero-visual {
    min-height: 500px;
    margin-right: calc(var(--gutter) * -1);
    margin-left: calc(var(--gutter) * -1);
  }

  .hero-photo {
    inset: 0;
    border-left: 0;
  }

  .hero-frame {
    inset: 20px;
  }

  .hero-figure-label {
    right: 42px;
    bottom: 42px;
  }

  .hero-blueprint {
    top: 38px;
    left: 38px;
  }

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

  .hero-meta-item:nth-child(3) {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--navy-line);
  }

  .hero-meta-item:nth-child(4) {
    border-top: 1px solid var(--navy-line);
  }

  .section-head-main,
  .intro-grid,
  .materials-grid,
  .content-split,
  .split-note,
  .story-grid,
  .contact-grid,
  .prep-grid {
    grid-template-columns: 1fr;
  }

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

  .section-head-main {
    gap: 24px;
  }

  .section-head-main .lede {
    max-width: 680px;
  }

  .intro-grid {
    gap: 46px;
  }

  .capability-list {
    max-width: 700px;
  }

  .product-row {
    grid-template-columns: 58px minmax(0, 1fr) minmax(230px, 0.6fr);
  }

  .process-head {
    grid-template-columns: 1fr;
    gap: 22px;
  }

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

  .process-step:nth-child(3) {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--navy-line);
  }

  .process-step:nth-child(4) {
    border-top: 1px solid var(--navy-line);
  }

  .process-step:nth-child(3)::after {
    left: 0;
  }

  .materials-copy .section-title {
    max-width: 700px;
  }

  .materials-copy .body-copy {
    max-width: 600px;
  }

  .faq-section {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .faq-intro {
    position: static;
  }

  .faq-list {
    max-width: 850px;
  }

  .cta-inner {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .cta-side p {
    max-width: 560px;
  }

  .footer-top {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-brand {
    grid-column: 1 / -1;
    padding-bottom: 20px;
  }

  .page-hero-grid,
  .contact-hero-grid,
  .detail-hero-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .page-aside {
    max-width: 600px;
  }

  .finder-layout {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .finder-intro {
    position: static;
  }

  .finder-intro p {
    max-width: 650px;
  }

  .detail-hero-grid .diagram-panel {
    max-width: 680px;
  }

  .content-split-head {
    position: static;
  }

  .content-split-head p {
    max-width: 650px;
  }

  .spec-head {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .spec-head p {
    max-width: 700px;
  }

  .contact-aside {
    position: static;
    max-width: 640px;
  }

  .contact-main {
    padding-top: 55px;
  }

  .contact-aside-note {
    max-width: 550px;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  .utility-bar .container {
    justify-content: center;
  }

  .utility-bar span:last-child {
    display: none;
  }

  .brand-mark {
    width: 41px;
    height: 41px;
  }

  .brand-mark img {
    width: 32px;
    height: 32px;
  }

  .brand-word {
    font-size: 18px;
  }

  .brand-sub {
    display: none;
  }

  .display {
    font-size: clamp(50px, 14vw, 86px);
  }

  .hero-copy {
    min-height: 0;
    padding-top: 58px;
  }

  .hero .eyebrow {
    margin-bottom: 19px;
  }

  .hero .lede {
    font-size: 16px;
  }

  .hero-actions {
    margin-top: 29px;
  }

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

  .hero-index {
    grid-template-columns: 1fr;
    padding-top: 35px;
  }

  .hero-index a {
    padding-top: 14px;
  }

  .hero-visual {
    min-height: 370px;
  }

  .hero-blueprint {
    top: 26px;
    left: 26px;
    width: 104px;
    height: 104px;
  }

  .blueprint-ring {
    width: 58px;
    height: 58px;
  }

  .blueprint-ring::before {
    width: 32px;
    height: 32px;
  }

  .hero-figure-label {
    right: 27px;
    bottom: 27px;
    width: 230px;
    padding: 11px 13px;
    font-size: 7px;
  }

  .hero-meta-item {
    padding: 16px 12px 17px 0;
  }

  .hero-meta-item + .hero-meta-item {
    padding-left: 12px;
  }

  .hero-meta-item strong {
    font-size: 10px;
  }

  .section {
    padding-block: 68px;
  }

  .section-head {
    padding-top: 18px;
    gap: 20px;
  }

  .section-title {
    font-size: clamp(37px, 10vw, 54px);
  }

  .product-ledger {
    margin-top: 38px;
  }

  .product-row {
    grid-template-columns: 38px minmax(0, 1fr);
    padding: 28px 0 36px;
    gap: 15px;
  }

  .product-row-copy {
    padding: 0;
  }

  .product-row-figure {
    grid-column: 2;
    padding: 20px 0 0;
    border-top: 1px solid var(--line-soft);
    border-left: 0;
  }

  .product-row-figure img {
    max-height: 300px;
    object-fit: contain;
    object-position: left center;
  }

  .product-row h3 {
    font-size: 36px;
  }

  .process-grid {
    grid-template-columns: 1fr;
    margin-top: 42px;
  }

  .process-step,
  .process-step + .process-step {
    min-height: 0;
    padding: 23px 0 27px;
    border-top: 1px solid var(--navy-line);
    border-left: 0;
  }

  .process-step:first-child {
    border-top: 0;
  }

  .process-step-number {
    margin-bottom: 30px;
  }

  .process-step::after,
  .process-step + .process-step::after,
  .process-step:nth-child(3)::after {
    top: -4px;
    left: 0;
  }

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

  .note-strip {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .faq-item summary {
    padding-right: 32px;
  }

  .faq-answer {
    padding-right: 20px;
  }

  .cta-inner {
    padding-block: 64px;
  }

  .cta-title {
    font-size: clamp(40px, 11vw, 66px);
  }

  .footer-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-block: 50px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 13px;
  }

  .preview-note {
    white-space: normal;
  }

  .page-hero {
    padding-block: 50px 58px;
  }

  .breadcrumbs {
    margin-bottom: 26px;
  }

  .page-hero h1 {
    font-size: clamp(46px, 12vw, 72px);
  }

  .page-hero .lede {
    font-size: 16px;
  }

  .finder-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
  }

  .finder-item a {
    grid-column: 2;
    width: max-content;
    padding-top: 5px;
  }

  .finder-item p {
    font-size: 10px;
  }

  .detail-hero {
    padding-block: 36px 60px;
  }

  .detail-hero h1 {
    font-size: clamp(44px, 12vw, 68px);
  }

  .quick-checks {
    margin-top: 32px;
  }

  .quick-check strong {
    font-size: 10px;
  }

  .range-list li {
    grid-template-columns: 30px 1fr;
  }

  .range-list li span:last-child {
    grid-column: 2;
    text-align: left;
  }

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

  .processing-item {
    min-height: 0;
  }

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

  .story-image {
    order: -1;
  }

  .legal-panel {
    grid-template-columns: 1fr;
    gap: 17px;
  }

  .legal-panel dl {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .legal-panel dd {
    margin-bottom: 9px;
  }

  .contact-hero {
    padding-block: 58px 55px;
  }

  .contact-hero h1 {
    font-size: clamp(46px, 12vw, 68px);
  }

  .contact-main {
    padding-block: 55px;
  }

  .form-intro {
    display: block;
  }

  .form-intro p {
    margin-top: 16px;
  }

  .rfq-form {
    grid-template-columns: 1fr;
  }

  .form-field-full {
    grid-column: auto;
  }

  .form-actions .button {
    width: 100%;
    min-width: 0;
  }

  .form-actions p {
    max-width: none;
  }

  .direct-contact {
    padding: 24px;
  }

  .mini-index {
    grid-template-columns: 1fr;
    gap: 35px;
  }
}

@media (max-width: 430px) {
  :root {
    --gutter: 18px;
  }

  .lang-switch {
    font-size: 10px;
  }

  .header-main {
    gap: 11px;
  }

  .brand {
    gap: 9px;
  }

  .brand-word {
    font-size: 16px;
  }

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

  .hero-meta-item,
  .hero-meta-item + .hero-meta-item,
  .hero-meta-item:nth-child(3) {
    padding: 12px 0;
    border-left: 0;
    border-top: 1px solid var(--navy-line);
  }

  .hero-meta-item:first-child {
    border-top: 0;
  }

  .quick-checks {
    grid-template-columns: 1fr;
  }

  .quick-check:nth-child(even) {
    padding-left: 0;
    border-left: 0;
  }

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

  .footer-brand {
    grid-column: auto;
  }
}

@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;
  }

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

/* Page-level components added for the materials, quality, about and contact pages. */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
  border: 0;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
}

.aside-cta {
  margin-top: 24px;
}

.material-list {
  margin-top: 46px;
  border-top: 1px solid var(--ink);
}

.material-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  padding: 30px 0 32px;
  gap: clamp(18px, 3vw, 44px);
  border-bottom: 1px solid var(--line);
}

.material-row-number {
  padding-top: 6px;
  color: var(--orange-dark);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.material-row h3 {
  margin-bottom: 13px;
  font-family: var(--serif);
  font-size: clamp(30px, 3.4vw, 48px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.material-row p {
  max-width: 790px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.72;
}

.material-row .material-row-ref {
  margin-top: 17px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  text-transform: uppercase;
}

.material-table {
  margin-top: 46px;
}

.standards-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}

.standards-list li {
  padding: 22px 18px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.09em;
  line-height: 1.5;
  text-transform: uppercase;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.standards-list li::before {
  margin-right: 12px;
  color: var(--orange);
  content: "□";
  font-size: 10px;
}

.standards-note {
  margin-top: 24px;
  padding-top: 18px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.7;
  border-top: 1px solid var(--line);
}

.navy-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--navy-line);
}

.navy-list li {
  position: relative;
  padding: 17px 0 17px 24px;
  color: rgba(242, 238, 229, 0.78);
  font-size: 13px;
  line-height: 1.6;
  border-bottom: 1px solid var(--navy-line);
}

.navy-list li::before {
  position: absolute;
  top: 25px;
  left: 0;
  width: 9px;
  height: 1px;
  content: "";
  background: var(--orange-pale);
}

.inspection-list {
  margin-top: 44px;
}

.offer-list {
  margin: 46px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.offer-list > li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  padding: 27px 0 29px;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.offer-list > li > span {
  padding-top: 8px;
  color: var(--orange-dark);
  font-family: var(--mono);
  font-size: 9px;
}

.offer-list strong {
  display: block;
  margin-bottom: 9px;
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.offer-list p {
  max-width: 700px;
  margin-bottom: 15px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.legal-note {
  margin-top: 13px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.6;
}

.industry-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  gap: 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}

.industry-tags li {
  padding: 16px 14px;
  color: var(--ink-soft);
  font-size: 10px;
  letter-spacing: 0.04em;
  line-height: 1.4;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-navy .text-link {
  color: var(--paper);
  border-bottom-color: var(--orange-pale);
}

.section-navy .text-link:hover {
  color: var(--orange-pale);
}

.redirect-page {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
  padding-block: 60px;
}

.redirect-page h1 {
  margin-bottom: 28px;
  font-family: var(--serif);
  font-size: clamp(48px, 8vw, 110px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.94;
}

@media (max-width: 720px) {
  .material-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .material-row-number {
    padding-top: 0;
  }

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

  .offer-list > li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .offer-list > li > span {
    padding-top: 0;
  }
}

/* Chinese typography is composed for natural line breaks. */
.technical-section { background: #f8f5ee; scroll-margin-top: 120px; }
.technical-jump { margin-top: 26px; font-size: 13px; }
.technical-intro { max-width: 880px; margin: 26px 0 48px; color: var(--ink-soft); line-height: 1.8; }
.tech-block { border-top: 1px solid var(--line); padding: 34px 0 42px; }
.tech-block > h3 { font-family: var(--sans); font-size: clamp(22px, 2.5vw, 32px); font-weight: 600; margin: 0 0 24px; letter-spacing: -.025em; }
.tech-block > p { max-width: 950px; color: var(--ink-soft); font-size: 14px; line-height: 1.8; margin: 20px 0 0; }
.technical-sources { font-size: 12px !important; }
.technical-sources a { color: var(--orange-dark); text-underline-offset: 4px; }
.technical-flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 42px; }
.technical-flow li { display: grid; grid-template-columns: 36px 1fr; gap: 10px; }
.technical-flow li > span { color: var(--orange-dark); font-family: var(--mono); font-size: 12px; padding-top: 5px; }
.technical-flow h4 { margin: 0 0 8px; font-size: 17px; }
.technical-flow p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.75; }
.mass-calculator { margin-top: 24px; padding: 28px; background: var(--paper-deep); }
.mass-fields { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; margin-bottom: 24px; }
.mass-fields label { display: block; font-size: 13px; font-weight: 600; }
.mass-fields input { width: 100%; min-width: 0; margin-top: 8px; border: 1px solid var(--line); border-radius: 0; padding: 12px; background: var(--paper-raised); color: var(--ink); font: inherit; font-size: 17px; }
.mass-calculator output { display: block; font: 600 clamp(17px,2vw,24px)/1.6 var(--sans); padding-top: 24px; }
.mass-invalid { color: #a33816; }
.mass-formula { font-family: var(--mono); overflow-wrap: anywhere; }
@media (max-width: 700px) {
 .technical-flow { grid-template-columns: 1fr; }
 .mass-fields { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px 12px; }
 .mass-calculator { padding: 20px; }
 .tech-block .data-table { min-width: 580px; }
 .tech-block .comparison-wrap::before { display: block; content: "Swipe to view all columns →"; font-size: 11px; color: var(--orange-dark); padding: 0 0 12px; }
 html[lang="zh-CN"] .tech-block .comparison-wrap::before { content: "横向滑动查看全部参数 →"; }
}
html[lang="zh-CN"] { --serif: "Songti SC", "STSong", "Noto Serif CJK SC", serif; }
html[lang="zh-CN"] em { font-style: normal; }
html[lang="zh-CN"] .hero .display { font-size: clamp(44px, 5.2vw, 82px); line-height: 1.16; letter-spacing: -.035em; }
html[lang="zh-CN"] .section-title { font-size: clamp(32px, 4vw, 58px); line-height: 1.25; }
html[lang="zh-CN"] .page-hero h1, html[lang="zh-CN"] .detail-hero h1 { font-size: clamp(38px, 5vw, 72px); line-height: 1.18; }
.product-row-figure img, .diagram-panel img { object-fit: cover; }
.diagram-panel img { aspect-ratio: 4 / 3; }
@media (max-width: 600px) {
 html[lang="zh-CN"] .hero .display { font-size: 43px; }
 html[lang="zh-CN"] .hero-copy { padding-top: 48px; }
}