:root {
  --ink: #17201d;
  --ink-soft: #43504b;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --mist: #eef1ee;
  --forest: #1f4d3d;
  --navy: #19395a;
  --steel: #6b7472;
  --copper: #c86f2d;
  --gold: #b58a45;
  --line: rgba(23, 32, 29, 0.14);
  --shadow: 0 18px 48px rgba(20, 28, 25, 0.12);
  --radius: 8px;
  --max: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.72;
}

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

a {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 200;
  transform: translateY(-150%);
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  border-radius: 4px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(20px, 4vw, 56px);
  background: rgba(251, 250, 247, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: var(--forest);
  color: #fff;
  font-weight: 800;
  line-height: 1;
}

.brand-name,
.brand-sub {
  display: block;
  white-space: nowrap;
}

.brand-name {
  font-weight: 800;
  color: var(--ink);
}

.brand-sub {
  font-size: 0.78rem;
  color: var(--steel);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
  padding: 9px 10px;
  border-radius: 6px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
  background: var(--mist);
}

.site-nav .nav-cta {
  color: #fff;
  background: var(--copper);
  padding-inline: 16px;
  margin-left: 4px;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  background: #a9571f;
  color: #fff;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 6px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.lang-switch button {
  min-height: 34px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--steel);
  padding: 5px 9px;
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
}

.lang-switch button:hover,
.lang-switch button:focus-visible {
  color: var(--ink);
  background: var(--mist);
}

.lang-switch button[aria-pressed="true"] {
  color: #fff;
  background: var(--forest);
  border-color: var(--forest);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: clamp(560px, 72svh, 680px);
  display: grid;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  background: #f3f4ef;
}

.hero-media,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% center;
  filter: saturate(1.04) contrast(1.03);
}

.hero-overlay {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(251, 250, 247, 0.98) 0%, rgba(251, 250, 247, 0.94) 34%, rgba(251, 250, 247, 0.66) 52%, rgba(251, 250, 247, 0.22) 72%, rgba(251, 250, 247, 0.02) 100%),
    linear-gradient(180deg, rgba(251, 250, 247, 0.08) 0%, rgba(251, 250, 247, 0.78) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: 1;
  height: 34%;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(251, 250, 247, 0) 0%, rgba(251, 250, 247, 0.84) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(690px, calc(100% - 40px));
  margin-left: clamp(24px, 7vw, 96px);
  padding: clamp(60px, 10vh, 88px) 0 clamp(82px, 13vh, 118px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--copper);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.hero .eyebrow::before {
  content: "";
  width: 36px;
  height: 2px;
  border-radius: 999px;
  background: var(--copper);
}

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

h1 {
  max-width: 12.5ch;
  margin-bottom: 18px;
  color: var(--forest);
  font-size: 3.75rem;
  line-height: 1.06;
}

html[lang="en"] h1 {
  max-width: 16ch;
  font-size: 3.35rem;
  line-height: 1.08;
}

html[lang="ja"] h1 {
  max-width: 14ch;
  font-size: 3.25rem;
  line-height: 1.12;
}

.hero-lead {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 800;
}

.hero-copy {
  max-width: 560px;
  margin-bottom: 28px;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.hero-actions,
.final-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 10px 18px;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--forest);
  color: #fff;
  box-shadow: 0 12px 28px rgba(31, 77, 61, 0.18);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #16382c;
}

.button-ghost {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(31, 77, 61, 0.35);
  color: var(--forest);
  backdrop-filter: blur(6px);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  background: #fff;
  border-color: var(--forest);
}

.proof-strip {
  width: min(var(--max), calc(100% - 40px));
  margin: -28px auto 0;
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.proof-strip div {
  min-height: 108px;
  padding: 22px 20px;
  border-right: 1px solid var(--line);
}

.proof-strip div:last-child {
  border-right: 0;
}

.proof-strip strong,
.proof-strip span {
  display: block;
}

.proof-strip strong {
  margin-bottom: 6px;
  color: var(--navy);
  font-size: 1.12rem;
}

.proof-strip span {
  color: var(--steel);
  font-size: 0.92rem;
}

.section {
  padding: 88px clamp(20px, 5vw, 72px);
}

.section > * {
  width: min(var(--max), 100%);
  margin-inline: auto;
}

.section-muted {
  background: var(--mist);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(260px, 0.84fr) minmax(280px, 0.6fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 32px;
}

.section-heading.compact {
  align-items: start;
}

.section-heading h2,
.intro-grid h2,
.application-content h2,
.quality h2,
.inquiry-copy h2,
.final-cta h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-size: 2.32rem;
  line-height: 1.18;
}

.section-heading p,
.intro-copy p,
.quality p,
.inquiry-copy p {
  color: var(--ink-soft);
}

.section-intro {
  padding-top: 96px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(300px, 1fr);
  gap: 56px;
  align-items: start;
}

.intro-copy {
  display: grid;
  gap: 16px;
}

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

.featured-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 18px;
}

.product-feature,
.product-grid article,
.quality-grid article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.product-feature {
  overflow: hidden;
}

.product-feature img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.product-feature div {
  padding: 22px;
}

.product-feature span,
.process-list span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--copper);
  font-weight: 900;
}

.product-feature h3,
.product-grid h3 {
  margin-bottom: 8px;
  color: var(--forest);
  font-size: 1.15rem;
}

.product-feature p,
.product-grid p,
.process-list p,
.quality-grid span {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.product-grid article {
  padding: 22px;
}

.capability {
  background: #f7f4ed;
}

.capability-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.capability-list div {
  min-height: 150px;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
}

.capability-list div:last-child {
  border-right: 0;
}

.capability-list strong,
.capability-list span {
  display: block;
}

.capability-list strong {
  margin-bottom: 10px;
  color: var(--forest);
  font-size: 1.08rem;
}

.capability-list span {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.applications {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(300px, 0.85fr);
  gap: 52px;
  align-items: center;
}

.applications > * {
  width: 100%;
}

.application-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.application-content h2 {
  margin-bottom: 22px;
}

.application-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.application-tags span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  padding: 6px 12px;
  color: var(--ink-soft);
  font-weight: 700;
}

.section-link-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.text-link {
  color: var(--forest);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

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

.process-list {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.process-list li {
  min-height: 218px;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
}

.process-list li:last-child {
  border-right: 0;
}

.process-list strong {
  display: block;
  margin-bottom: 8px;
  color: var(--forest);
}

.quality {
  display: grid;
  grid-template-columns: minmax(280px, 0.74fr) minmax(360px, 1fr);
  gap: 54px;
  align-items: start;
}

.quality > * {
  width: 100%;
}

.quality h2 {
  margin-bottom: 16px;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.quality-grid article {
  min-height: 126px;
  padding: 22px;
}

.quality-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--navy);
}

.inquiry {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(420px, 1fr);
  gap: 56px;
  align-items: start;
  background: var(--paper);
}

.inquiry > * {
  width: 100%;
}

.inquiry-copy {
  position: sticky;
  top: 104px;
}

.inquiry-copy h2 {
  margin-bottom: 16px;
}

.contact-box {
  display: grid;
  gap: 10px;
  margin-top: 28px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.contact-box div {
  display: grid;
  gap: 3px;
}

.contact-box span {
  color: var(--steel);
  font-size: 0.84rem;
}

.contact-box strong {
  color: var(--ink);
  font-size: 0.96rem;
}

.quote-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.form-row.thirds {
  grid-template-columns: repeat(3, 1fr);
}

.quote-form label {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-weight: 800;
  font-size: 0.92rem;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid rgba(23, 32, 29, 0.2);
  border-radius: 6px;
  background: #fbfbfa;
  color: var(--ink);
  padding: 10px 12px;
  outline: none;
}

.quote-form textarea {
  resize: vertical;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  border-color: var(--forest);
  box-shadow: 0 0 0 3px rgba(31, 77, 61, 0.12);
  background: #fff;
}

.attachment-note {
  display: grid;
  gap: 6px;
  border: 1px dashed rgba(31, 77, 61, 0.3);
  border-radius: 6px;
  background: rgba(31, 77, 61, 0.05);
  padding: 12px 14px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.attachment-note strong {
  color: var(--ink);
}

.hp-field {
  position: absolute;
  left: -9999px;
}

.form-submit {
  width: 100%;
}

.form-note {
  margin: 0;
  color: var(--steel);
  font-size: 0.88rem;
}

.form-note.success {
  color: #176140;
  font-weight: 800;
}

.form-note.error {
  color: #a33d1f;
  font-weight: 800;
}

.final-cta {
  justify-content: space-between;
  gap: 24px;
  background: var(--forest);
  color: #fff;
}

.section.final-cta > * {
  width: auto;
  margin-inline: 0;
}

.final-cta h2 {
  max-width: 820px;
  color: #fff;
}

.final-cta .eyebrow {
  color: #ffd59f;
}

.final-cta .button-primary {
  background: #fff;
  color: var(--forest);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px clamp(20px, 5vw, 72px);
  background: var(--ink);
  color: #fff;
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.86rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  font-size: 0.92rem;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #fff;
}

.subpage-hero {
  padding: 82px clamp(20px, 5vw, 72px) 64px;
  background: #f7f4ed;
  border-bottom: 1px solid var(--line);
}

.subpage-hero > *,
.content-section > *,
.article-content,
.article-hero {
  width: min(var(--max), 100%);
  margin-inline: auto;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--steel);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--forest);
  font-weight: 800;
  text-decoration: none;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.subpage-hero h1 {
  max-width: 780px;
  margin-bottom: 18px;
  color: var(--forest);
  font-size: clamp(2.35rem, 5vw, 4rem);
  line-height: 1.1;
}

.subpage-hero p {
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.subpage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.content-section {
  padding: 76px clamp(20px, 5vw, 72px);
}

.content-section.muted {
  background: var(--mist);
}

.content-section h2 {
  margin-bottom: 18px;
  color: var(--ink);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.2;
}

.content-section h3 {
  margin-bottom: 8px;
  color: var(--forest);
  font-size: 1.18rem;
}

.content-section p,
.content-section li {
  color: var(--ink-soft);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(320px, 1fr);
  gap: 46px;
  align-items: start;
}

.content-grid.reverse {
  grid-template-columns: minmax(320px, 1fr) minmax(280px, 0.72fr);
}

.content-image img,
.article-hero img,
.application-card img,
.article-card img {
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
}

.content-image img {
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow);
}

.application-cards,
.article-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

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

.application-card,
.article-card,
.note-band,
.toc,
.related-links,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.application-card,
.article-card {
  overflow: hidden;
}

.application-card img,
.article-card img {
  aspect-ratio: 4 / 3;
}

.application-card div,
.article-card div {
  padding: 20px;
}

.application-card ul,
.article-card ul {
  padding-left: 20px;
  margin: 12px 0 0;
}

.article-card a {
  display: inline-flex;
  margin-top: 12px;
}

.article-card time {
  display: block;
  margin-bottom: 8px;
  color: var(--copper);
  font-size: 0.82rem;
  font-weight: 800;
}

.spec-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.spec-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  color: var(--forest);
  background: #f7f4ed;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: 0;
}

.note-band,
.toc,
.related-links {
  padding: 22px;
}

.note-band {
  background: #f7f4ed;
}

.note-band strong,
.toc strong,
.related-links strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
}

.toc {
  position: sticky;
  top: 96px;
}

.toc a,
.related-links a {
  display: block;
  margin-top: 8px;
  color: var(--forest);
  font-weight: 800;
  text-decoration: none;
}

.toc a:hover,
.toc a:focus-visible,
.related-links a:hover,
.related-links a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-hero {
  padding: 0 clamp(20px, 5vw, 72px) 70px;
  background: #f7f4ed;
}

.article-hero img {
  aspect-ratio: 16 / 7;
  box-shadow: var(--shadow);
}

.article-content {
  display: grid;
  grid-template-columns: minmax(220px, 0.35fr) minmax(0, 0.82fr);
  gap: 42px;
  padding: 74px clamp(20px, 5vw, 72px);
}

.article-body {
  min-width: 0;
}

.article-body h2 {
  margin-top: 34px;
  color: var(--ink);
  font-size: 1.76rem;
  line-height: 1.24;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  margin-top: 24px;
}

.article-body ul,
.article-body ol {
  padding-left: 22px;
}

.article-body li + li {
  margin-top: 6px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--steel);
  font-size: 0.92rem;
}

.article-lead {
  max-width: 820px;
  color: var(--ink);
  font-size: 1.18rem;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.faq-list details {
  padding: 16px 18px;
}

.faq-list summary {
  color: var(--forest);
  font-weight: 900;
  cursor: pointer;
}

.faq-list p {
  margin: 10px 0 0;
}

.admin-shell {
  width: min(var(--max), calc(100% - 40px));
  margin: 36px auto 80px;
}

.admin-hero {
  padding: 72px clamp(20px, 5vw, 72px) 42px;
  background: var(--forest);
  color: #fff;
}

.admin-hero > * {
  width: min(var(--max), 100%);
  margin-inline: auto;
}

.admin-hero h1 {
  max-width: none;
  color: #fff;
  font-size: 2.6rem;
}

.admin-panel {
  display: grid;
  gap: 18px;
}

.admin-toolbar,
.admin-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 20px;
}

.admin-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  gap: 12px;
  align-items: end;
}

.admin-toolbar label {
  display: grid;
  gap: 6px;
  font-weight: 800;
}

.admin-toolbar input {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 12px;
}

.admin-list {
  display: grid;
  gap: 14px;
}

.admin-card {
  display: grid;
  gap: 10px;
}

.admin-card h2 {
  margin: 0;
  font-size: 1.25rem;
}

.admin-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--steel);
  font-size: 0.9rem;
}

.admin-fields {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.admin-fields div {
  padding: 10px;
  border-radius: 6px;
  background: var(--mist);
}

.admin-fields span {
  display: block;
  color: var(--steel);
  font-size: 0.78rem;
}

.admin-empty {
  padding: 40px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--steel);
  text-align: center;
}

@media (max-width: 1080px) {
  .featured-products,
  .quality-grid,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .capability-list div:nth-child(3),
  .capability-list div:nth-child(6) {
    border-right: 0;
  }

  .capability-list div:nth-child(n+4) {
    border-bottom: 0;
  }

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

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

  .process-list li:nth-child(2n) {
    border-right: 0;
  }

  .process-list li:nth-last-child(-n+1) {
    border-bottom: 0;
  }
}

@media (max-width: 860px) {
  .site-header {
    height: 68px;
  }

  .brand-sub {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 76px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .subpage-header {
    height: auto;
    min-height: 68px;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px;
    padding-block: 10px;
  }

  .subpage-header .site-nav {
    position: static;
    display: flex;
    width: 100%;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .subpage-header .site-nav a {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 8px 10px;
  }

  .site-nav a {
    padding: 12px;
  }

  .lang-switch {
    justify-content: stretch;
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 8px;
  }

  .lang-switch button {
    flex: 1;
  }

  h1 {
    font-size: 2.55rem;
  }

  .hero {
    min-height: 600px;
  }

  .hero-media img {
    object-position: 64% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(251, 250, 247, 0.98) 0%, rgba(251, 250, 247, 0.93) 48%, rgba(251, 250, 247, 0.48) 73%, rgba(251, 250, 247, 0.12) 100%),
      linear-gradient(180deg, rgba(251, 250, 247, 0.12) 0%, rgba(251, 250, 247, 0.72) 100%);
  }

  .hero-content {
    width: min(560px, calc(100% - 40px));
    margin-left: clamp(20px, 8vw, 64px);
    padding: 70px 0 98px;
  }

  .hero-lead {
    font-size: 1.12rem;
  }

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

  .proof-strip div:nth-child(2n) {
    border-right: 0;
  }

  .proof-strip div:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding-block: 64px;
  }

  .section-heading,
  .intro-grid,
  .applications,
  .quality,
  .inquiry,
  .content-grid,
  .content-grid.reverse,
  .article-content {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .section-heading h2,
  .intro-grid h2,
  .application-content h2,
  .quality h2,
  .inquiry-copy h2,
  .final-cta h2 {
    font-size: 1.92rem;
  }

  .inquiry-copy {
    position: static;
  }

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

  .toc {
    position: static;
  }

  .admin-toolbar,
  .admin-fields {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 15px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-name {
    font-size: 0.94rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-media img {
    object-position: 62% center;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(251, 250, 247, 0.97) 0%, rgba(251, 250, 247, 0.88) 46%, rgba(251, 250, 247, 0.44) 100%);
  }

  .hero-content {
    width: calc(100% - 40px);
    margin-inline: auto;
    padding: 36px 0 58px;
  }

  h1 {
    font-size: 2.2rem;
  }

  .hero-copy {
    font-size: 0.96rem;
  }

  .button {
    width: 100%;
  }

  .proof-strip,
  .featured-products,
  .product-grid,
  .application-cards,
  .article-list,
  .capability-list,
  .process-list,
  .quality-grid,
  .form-row,
  .form-row.thirds {
    grid-template-columns: 1fr;
  }

  .proof-strip div,
  .capability-list div,
  .process-list li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-strip div:last-child,
  .capability-list div:last-child,
  .process-list li:last-child {
    border-bottom: 0;
  }

  .quote-form {
    padding: 20px;
  }

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