/* Generated by tools/build_assets.py — edit src/css/*.css */
:root {
  --ink: #10211a;
  --ink-soft: #26372f;
  --muted: #5d6c64;
  --green-950: #0c2118;
  --green-900: #102c20;
  --green-800: #193d2a;
  --green-700: #2f6237;
  --green-600: #477d43;
  --green-500: #6f9f5d;
  --green-300: #a8c99b;
  --green-100: #e7f0e2;
  --green-50: #f3f7f0;
  --white: #ffffff;
  --off-white: #fbfcfa;
  --line: #dbe3dc;
  --line-dark: rgba(255, 255, 255, 0.15);
  --shadow-sm: 0 10px 30px rgba(16, 44, 32, 0.08);
  --shadow-lg: 0 30px 80px rgba(16, 44, 32, 0.14);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --container: 1200px;
  --header-height: 82px;
  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

img {
  object-fit: cover;
}

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

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

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

button {
  color: inherit;
}

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

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  margin-bottom: 28px;
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 760;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(2.15rem, 4vw, 3.55rem);
  font-weight: 740;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.35rem;
}

p:last-child {
  margin-bottom: 0;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.section {
  padding: 110px 0;
}

.section--soft {
  background: var(--green-50);
}

.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;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-150%);
  padding: 12px 18px;
  color: var(--white);
  background: var(--green-900);
  border-radius: var(--radius-sm);
  font-weight: 700;
}

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

:focus-visible {
  outline: 3px solid #f2b84b;
  outline-offset: 3px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--green-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 34px;
  height: 2px;
  content: "";
  background: currentColor;
}

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

.eyebrow--green {
  color: var(--green-300);
}

.lead,
.prose .lead {
  color: var(--ink-soft);
  font-size: 1.2rem;
  line-height: 1.65;
}

.fine-print {
  color: var(--muted);
  font-size: 0.82rem;
}

.utility-bar {
  min-height: 38px;
  color: rgba(255, 255, 255, 0.78);
  background: var(--green-950);
  font-size: 0.78rem;
}

.utility-bar__inner {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.utility-bar p {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
}

.utility-bar__inner > div {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #8ec878;
  box-shadow: 0 0 0 4px rgba(142, 200, 120, 0.12);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid rgba(219, 227, 220, 0.9);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 38px;
}

.brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--green-900);
}

.brand__mark {
  width: 42px;
  height: 42px;
  color: var(--green-600);
}

.brand__words {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand__words strong {
  font-size: 0.96rem;
  letter-spacing: 0.035em;
}

.brand__words small {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.main-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav a {
  position: relative;
  padding: 28px 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 700;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 2px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  background: var(--green-600);
  transition: transform 180ms ease;
}

.main-nav a:hover::after,
.main-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.main-nav a.is-active {
  color: var(--green-700);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 2px;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.main-nav .language-switch a {
  min-width: 34px;
  padding: 8px 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

.main-nav .language-switch a::after {
  display: none;
}

.main-nav .language-switch a:hover {
  color: var(--green-700);
  border-color: var(--line);
}

.main-nav .language-switch .current-language {
  color: var(--white);
  background: var(--green-700);
  border-color: var(--green-700);
}

.menu-button {
  display: none;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 13px 20px;
  color: var(--white);
  background: var(--green-600);
  border: 1px solid var(--green-600);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button svg,
.text-link svg,
.contact-inline svg,
.mobile-actions svg,
.footer-contact svg,
.service-index svg,
.metal-card svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button:hover {
  transform: translateY(-2px);
  background: var(--green-700);
  border-color: var(--green-700);
}

.button--dark {
  background: var(--green-900);
  border-color: var(--green-900);
}

.button--dark:hover {
  background: var(--green-800);
  border-color: var(--green-800);
}

.button--outline-light {
  color: var(--white);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.58);
}

.button--outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.button--small {
  min-height: 44px;
  padding: 10px 15px;
  font-size: 0.82rem;
}

.button-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green-700);
  font-weight: 800;
}

.text-link svg {
  transition: transform 180ms ease;
}

.text-link:hover svg {
  transform: translateX(4px);
}

.icon-box {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: var(--green-700);
  background: var(--green-100);
  border-radius: 50%;
}

.icon-box svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero {
  position: relative;
  min-height: 660px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--green-950);
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
}

.hero__media::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background: linear-gradient(90deg, rgba(8, 27, 19, 0.97) 0%, rgba(8, 27, 19, 0.84) 43%, rgba(8, 27, 19, 0.18) 75%, rgba(8, 27, 19, 0.05) 100%);
}

.hero__media span {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, transparent 55%, rgba(8, 27, 19, 0.55));
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 110px 0 130px;
}

.hero__content h1 {
  max-width: 790px;
  margin-bottom: 26px;
}

.hero__content h1 em {
  color: var(--green-300);
  font-style: normal;
}

.hero__lead {
  max-width: 680px;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.18rem;
}

.proof-strip {
  position: relative;
  z-index: 4;
  margin-top: -44px;
}

.proof-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.proof-strip article {
  min-height: 142px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
}

.proof-strip article + article {
  border-left: 1px solid var(--line);
}

.proof-strip h2 {
  margin-bottom: 5px;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.proof-strip p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 100px;
  align-items: start;
}

.split-layout h2 {
  max-width: 550px;
}

.prose {
  max-width: 650px;
}

.prose p {
  color: var(--muted);
}

.prose .lead {
  color: var(--ink-soft);
}

.prose .text-link {
  margin-top: 12px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.55fr);
  gap: 70px;
  align-items: end;
  margin-bottom: 50px;
}

.section-heading h2 {
  max-width: 680px;
  margin-bottom: 0;
}

.section-heading > p {
  margin-bottom: 7px;
  color: var(--muted);
}

.section-heading--compact {
  grid-template-columns: 1fr auto;
  align-items: end;
}

.card-grid {
  display: grid;
  gap: 24px;
}

.card-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.media-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 35px rgba(16, 44, 32, 0.05);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.media-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.media-card__image {
  position: relative;
  height: 225px;
  overflow: hidden;
  background: var(--green-100);
}

.media-card__image img {
  width: 100%;
  height: 100%;
  transition: transform 360ms ease;
}

.media-card:hover .media-card__image img {
  transform: scale(1.035);
}

.media-card__icon {
  position: absolute;
  right: 20px;
  bottom: 0;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--green-600);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.media-card__icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.media-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 30px;
}

.media-card__body h3 {
  font-size: 1.45rem;
}

.media-card__body p:not(.card-label) {
  color: var(--muted);
}

.media-card__body .text-link {
  margin-top: auto;
  padding-top: 14px;
  font-size: 0.88rem;
}

.card-label {
  margin-bottom: 10px;
  color: var(--green-700);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-action {
  margin-top: 34px;
  text-align: center;
}

.metals-preview {
  background: linear-gradient(180deg, var(--white), var(--green-50));
}

.metal-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.metal-card {
  position: relative;
  min-height: 250px;
  overflow: hidden;
  color: var(--white);
  background: var(--green-900);
  border-radius: var(--radius-md);
}

.metal-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 35%, rgba(7, 22, 16, 0.9));
}

.metal-card img {
  width: 100%;
  height: 100%;
  transition: transform 350ms ease;
}

.metal-card:hover img {
  transform: scale(1.045);
}

.metal-card span {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.metal-card strong {
  font-size: 1.02rem;
}

.process-section {
  background: var(--white);
}

.process-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 80px;
  align-items: center;
}

.process-copy > p {
  max-width: 600px;
  color: var(--muted);
}

.step-list {
  padding: 0;
  margin: 38px 0;
  list-style: none;
}

.step-list li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 21px 0;
  border-top: 1px solid var(--line);
}

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

.step-list > li > span {
  color: var(--green-700);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.step-list h3 {
  margin-bottom: 5px;
  font-size: 1.08rem;
}

.step-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.process-image {
  margin: 0;
}

.process-image img {
  width: 100%;
  aspect-ratio: 1.35;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.process-image figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.8rem;
}

.xrf-banner {
  padding: 88px 0;
  color: var(--white);
  background: var(--green-950);
}

.xrf-banner__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 76px;
  align-items: center;
}

.xrf-banner__image img {
  width: 100%;
  aspect-ratio: 1.4;
  border-radius: var(--radius-md);
}

.xrf-banner__content h2 {
  max-width: 680px;
}

.xrf-banner__content > p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.72);
}

.check-list {
  padding: 0;
  margin: 26px 0 32px;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 11px 0;
  color: rgba(255, 255, 255, 0.86);
}

.check-list svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  fill: none;
  stroke: var(--green-300);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.check-list--dark li {
  color: var(--ink-soft);
}

.check-list--dark svg {
  stroke: var(--green-600);
}

.cta-section {
  padding: 80px 0;
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  gap: 70px;
  align-items: center;
  padding: 60px;
  color: var(--white);
  background: linear-gradient(135deg, var(--green-900), var(--green-800));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.cta-panel h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 3.5vw, 3rem);
}

.cta-panel p:not(.eyebrow) {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.68);
}

.cta-panel__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
}

.contact-inline {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.contact-inline > svg {
  width: 32px;
  height: 32px;
}

.contact-inline span {
  display: flex;
  flex-direction: column;
}

.contact-inline small {
  color: rgba(255, 255, 255, 0.58);
}

.contact-inline strong {
  font-size: 1.05rem;
}

.page-hero {
  padding: 90px 0;
  background: linear-gradient(135deg, var(--green-50), var(--white));
  border-bottom: 1px solid var(--line);
}

.page-hero--green {
  background: linear-gradient(135deg, var(--green-100), var(--green-50));
}

.page-hero__grid {
  min-height: 450px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
  gap: 80px;
  align-items: center;
}

.page-hero h1 {
  max-width: 750px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 5vw, 4.8rem);
}

.page-hero p:not(.eyebrow) {
  max-width: 680px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 1.1rem;
}

.page-hero__image img {
  width: 100%;
  aspect-ratio: 1.25;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.service-index {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.service-index a {
  min-height: 180px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--white);
}

.service-index a + a {
  border-left: 1px solid var(--line);
}

.service-index span {
  color: var(--green-700);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.service-index strong {
  margin-top: auto;
  margin-bottom: 18px;
  font-size: 1.15rem;
}

.service-index svg {
  color: var(--green-700);
}

.service-index a:hover {
  background: var(--green-50);
}

.detail-service {
  padding: 100px 0;
}

.detail-service__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 90px;
  align-items: center;
}

.detail-service--reverse .detail-service__image {
  order: 2;
}

.detail-service__image img {
  width: 100%;
  aspect-ratio: 1.3;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.detail-service h2 {
  font-size: clamp(2.1rem, 3.5vw, 3.25rem);
}

.detail-service p:not(.eyebrow) {
  color: var(--muted);
}

.detail-service--dark {
  color: var(--white);
  background: var(--green-950);
}

.detail-service--dark p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.68);
}

.detail-service--dark .lead {
  color: rgba(255, 255, 255, 0.9);
}

.horizontal-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 0;
  margin: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.horizontal-steps li {
  min-height: 230px;
  padding: 28px 26px;
  border-bottom: 1px solid var(--line);
}

.horizontal-steps li + li {
  border-left: 1px solid var(--line);
}

.horizontal-steps span,
.factor-grid span {
  display: inline-block;
  margin-bottom: 52px;
  color: var(--green-700);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.horizontal-steps h3 {
  font-size: 1.2rem;
}

.horizontal-steps p {
  color: var(--muted);
  font-size: 0.9rem;
}

.anchor-nav {
  position: sticky;
  top: var(--header-height);
  z-index: 40;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(16, 44, 32, 0.04);
}

.anchor-nav .container {
  display: flex;
  gap: 6px;
  padding: 12px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.anchor-nav .container::-webkit-scrollbar {
  display: none;
}

.anchor-nav a {
  flex: 0 0 auto;
  padding: 9px 14px;
  color: var(--ink-soft);
  background: var(--green-50);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.anchor-nav a:hover {
  color: var(--white);
  background: var(--green-700);
}

.metal-detail__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 90px;
  align-items: center;
}

.metal-detail--reverse .metal-detail__image {
  order: 2;
}

.metal-detail__image img {
  width: 100%;
  aspect-ratio: 1.35;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.metal-detail p:not(.eyebrow) {
  color: var(--muted);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.tag-list span {
  padding: 9px 13px;
  color: var(--green-800);
  background: var(--green-100);
  border: 1px solid #d5e4cf;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
}

.factor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.factor-grid article {
  min-height: 230px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.factor-grid span {
  margin-bottom: 42px;
}

.factor-grid p {
  color: var(--muted);
  font-size: 0.92rem;
}

.notice-section {
  padding: 70px 0;
  background: var(--green-100);
}

.notice {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
}

.notice__icon {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  color: var(--green-700);
  background: var(--white);
  border-radius: 50%;
}

.notice__icon svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

.notice h2 {
  margin-bottom: 8px;
  font-size: 1.7rem;
}

.notice p {
  margin: 0;
  color: var(--muted);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.value-grid article {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.value-grid .icon-box {
  margin-bottom: 50px;
}

.value-grid p {
  color: var(--muted);
  font-size: 0.9rem;
}

.about-feature__grid,
.sustainability__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 90px;
  align-items: center;
}

.about-feature__image img {
  width: 100%;
  aspect-ratio: 1.3;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.about-feature p:not(.eyebrow),
.sustainability p:not(.eyebrow) {
  color: var(--muted);
}

.sustainability {
  color: var(--white);
  background: var(--green-950);
}

.sustainability p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.7);
}

.contact-hero {
  padding: 86px 0 78px;
  color: var(--white);
  background: linear-gradient(135deg, var(--green-950), var(--green-800));
}

.contact-hero h1 {
  max-width: 830px;
  margin-bottom: 20px;
  font-size: clamp(3rem, 5vw, 4.75rem);
}

.contact-hero > .container > p:not(.eyebrow) {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.12rem;
}

.contact-page__grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: 70px;
  align-items: start;
}

.contact-sidebar {
  position: sticky;
  top: 120px;
}

.contact-sidebar > p:not(.eyebrow) {
  color: var(--muted);
}

.contact-methods {
  display: grid;
  gap: 12px;
  margin: 34px 0;
}

.contact-methods a {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--green-50);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.contact-methods a:hover {
  border-color: var(--green-500);
}

.contact-methods div {
  display: flex;
  flex-direction: column;
}

.contact-methods small {
  color: var(--muted);
}

.contact-methods strong {
  font-size: 0.94rem;
}

.contact-facts {
  margin: 0;
}

.contact-facts > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.contact-facts > div:last-child {
  border-bottom: 1px solid var(--line);
}

.contact-facts dt {
  color: var(--green-700);
  font-size: 0.78rem;
  font-weight: 800;
}

.contact-facts dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.quote-form {
  padding: 44px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.form-heading {
  margin-bottom: 32px;
}

.form-heading h2 {
  margin-bottom: 8px;
  font-size: 2rem;
}

.form-heading > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 0.84rem;
}

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

.form-grid > label:not(.checkbox-label) {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 750;
}

.form-grid input:not([type="checkbox"]):not([type="file"]),
.form-grid select,
.form-grid textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  color: var(--ink);
  background: var(--off-white);
  border: 1px solid #cbd8ce;
  border-radius: var(--radius-sm);
  font-size: 1rem;
}

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

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px rgba(71, 125, 67, 0.13);
  outline: 0;
}

.form-span-2 {
  grid-column: 1 / -1;
}

.file-input {
  min-height: 112px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  align-content: center;
  padding: 20px;
  color: var(--green-700);
  background: var(--green-50);
  border: 1px dashed var(--green-500);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.file-input svg {
  grid-row: 1 / span 2;
  width: 28px;
  height: 28px;
  align-self: center;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

.file-input input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.file-input small {
  color: var(--muted);
  font-weight: 500;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--muted);
  font-size: 0.82rem;
}

.checkbox-label input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--green-700);
}

.checkbox-label a {
  color: var(--green-700);
  text-decoration: underline;
}

.form-submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 28px;
}

.form-submit p {
  margin: 0;
  color: var(--green-700);
  font-size: 0.85rem;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.65fr) minmax(0, 1.35fr);
  gap: 90px;
  align-items: start;
}

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

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

.faq-list summary {
  position: relative;
  padding: 23px 44px 23px 0;
  cursor: pointer;
  font-weight: 750;
  list-style: none;
}

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

.faq-list summary::after {
  position: absolute;
  top: 22px;
  right: 3px;
  content: "+";
  color: var(--green-700);
  font-size: 1.5rem;
  line-height: 1;
}

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

.faq-list details p {
  max-width: 700px;
  padding: 0 44px 22px 0;
  color: var(--muted);
}

.legal__content {
  max-width: 780px;
}

.legal__content h2 {
  margin-top: 50px;
  margin-bottom: 14px;
  font-size: 1.7rem;
}

.legal__content p {
  color: var(--muted);
}

.site-footer {
  padding: 72px 0 0;
  color: var(--white);
  background: var(--green-950);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(280px, 1.5fr) repeat(3, minmax(150px, 0.65fr));
  gap: 50px;
  padding-bottom: 60px;
}

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

.footer-brand .brand__words small {
  color: rgba(255, 255, 255, 0.5);
}

.footer-brand p {
  max-width: 360px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.9rem;
}

.footer-certifications {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.footer-brand .footer-certifications {
  max-width: 360px;
}

.footer-certification {
  width: 104px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 10px;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease;
}

.footer-certification:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.42);
}

.footer-certification img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  display: block;
  object-fit: contain;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column h2 {
  margin-bottom: 9px;
  color: var(--green-300);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-column a,
.footer-column p {
  color: rgba(255, 255, 255, 0.63);
  font-size: 0.86rem;
}

.footer-column a:hover {
  color: var(--white);
}

.footer-contact a {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.footer-contact p {
  margin-top: 10px;
}

.footer-bottom {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: rgba(255, 255, 255, 0.58);
  border-top: 1px solid var(--line-dark);
  font-size: 0.75rem;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom div {
  display: flex;
  gap: 26px;
}

.footer-bottom a:hover {
  color: var(--white);
}

.mobile-actions {
  display: none;
}
@media (max-width: 1080px) {
  .site-header__inner {
    gap: 24px;
  }

  .main-nav {
    gap: 20px;
  }

  .main-nav a {
    font-size: 0.84rem;
  }

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

  .proof-strip article:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .proof-strip article:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .page-hero__grid,
  .detail-service__grid,
  .metal-detail__grid,
  .about-feature__grid {
    gap: 58px;
  }

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

  .service-index a:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .service-index a:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .footer-main {
    grid-template-columns: minmax(250px, 1.2fr) repeat(3, minmax(130px, 0.7fr));
    gap: 34px;
  }
}

@media (max-width: 920px) {
  :root {
    --header-height: 74px;
  }

  .utility-bar {
    display: none;
  }

  .site-header__inner {
    min-height: var(--header-height);
  }

  .header-cta {
    display: none;
  }

  .menu-button {
    width: 46px;
    height: 46px;
    margin-left: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
  }

  .menu-button > span:not(.sr-only) {
    width: 24px;
    height: 2px;
    display: block;
    background: var(--green-900);
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .menu-button[aria-expanded="true"] > span:nth-of-type(2) {
    transform: translateY(8px) rotate(45deg);
  }

  .menu-button[aria-expanded="true"] > span:nth-of-type(3) {
    opacity: 0;
  }

  .menu-button[aria-expanded="true"] > span:nth-of-type(4) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 90;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 24px 20px 120px;
    background: var(--white);
    overflow-y: auto;
  }

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

  .main-nav a {
    padding: 18px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 1.08rem;
  }

  .main-nav a::after {
    display: none;
  }

  .language-switch {
    width: 100%;
    margin: 14px 0 0;
    padding: 16px 4px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
    gap: 8px;
  }

  .main-nav .language-switch a {
    min-width: 54px;
    padding: 10px 14px;
    border: 1px solid var(--line);
    font-size: 0.9rem;
  }

  .main-nav .language-switch .current-language {
    border-color: var(--green-700);
  }

  .hero {
    min-height: 610px;
  }

  .hero__media::before {
    background: linear-gradient(90deg, rgba(8, 27, 19, 0.96) 0%, rgba(8, 27, 19, 0.82) 72%, rgba(8, 27, 19, 0.55) 100%);
  }

  .hero__content {
    padding: 90px 0 120px;
  }

  .split-layout,
  .process-layout,
  .xrf-banner__grid,
  .page-hero__grid,
  .detail-service__grid,
  .metal-detail__grid,
  .about-feature__grid,
  .sustainability__grid,
  .contact-page__grid,
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .card-grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-grid--3 .media-card:last-child {
    grid-column: 1 / -1;
  }

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

  .page-hero__grid {
    min-height: auto;
  }

  .page-hero__image {
    max-width: 720px;
  }

  .detail-service--reverse .detail-service__image,
  .metal-detail--reverse .metal-detail__image {
    order: 0;
  }

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

  .horizontal-steps li:nth-child(3) {
    border-left: 0;
  }

  .contact-sidebar {
    position: static;
  }

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

  .cta-panel {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

@media (max-width: 680px) {
  body {
    padding-bottom: calc(68px + env(safe-area-inset-bottom, 0px));
  }

  .container {
    width: min(calc(100% - 30px), var(--container));
  }

  .section {
    padding: 78px 0;
  }

  h1 {
    font-size: clamp(2.75rem, 13vw, 4rem);
  }

  h2 {
    font-size: clamp(2rem, 9vw, 2.85rem);
  }

  .brand__mark {
    width: 37px;
    height: 37px;
  }

  .brand__words strong {
    font-size: 0.85rem;
  }

  .brand__words small {
    font-size: 0.55rem;
  }

  .hero {
    min-height: 590px;
  }

  .hero__content {
    padding: 72px 0 115px;
  }

  .hero__lead {
    font-size: 1.02rem;
  }

  .hero__media img {
    object-position: 68% center;
  }

  .hero__media::before {
    background: linear-gradient(90deg, rgba(8, 27, 19, 0.96), rgba(8, 27, 19, 0.76));
  }

  .proof-strip {
    margin-top: -34px;
  }

  .proof-strip__grid {
    grid-template-columns: 1fr;
  }

  .proof-strip article {
    min-height: 118px;
  }

  .proof-strip article + article,
  .proof-strip article:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .card-grid--3,
  .metal-card-grid,
  .service-index,
  .value-grid,
  .horizontal-steps,
  .factor-grid,
  .footer-main,
  .contact-methods {
    grid-template-columns: 1fr;
  }

  .card-grid--3 .media-card:last-child {
    grid-column: auto;
  }

  .media-card__image {
    height: 210px;
  }

  .metal-card {
    min-height: 220px;
  }

  .service-index a + a,
  .service-index a:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .service-index a {
    min-height: 135px;
  }

  .horizontal-steps li + li,
  .horizontal-steps li:nth-child(3) {
    border-left: 0;
  }

  .horizontal-steps li {
    min-height: 180px;
  }

  .horizontal-steps span,
  .factor-grid span {
    margin-bottom: 28px;
  }

  .factor-grid {
    border-left: 0;
  }

  .factor-grid article {
    min-height: 180px;
    border-left: 1px solid var(--line);
  }

  .page-hero {
    padding: 70px 0;
  }

  .page-hero h1,
  .contact-hero h1 {
    font-size: clamp(2.35rem, 10vw, 3rem);
    line-height: 1.02;
  }

  .page-hero__grid {
    gap: 38px;
  }

  .detail-service {
    padding: 78px 0;
  }

  .anchor-nav {
    top: var(--header-height);
  }

  .notice {
    grid-template-columns: auto 1fr;
  }

  .notice .button {
    grid-column: 1 / -1;
  }

  .quote-form {
    padding: 28px 20px;
  }

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

  .form-span-2 {
    grid-column: auto;
  }

  .form-submit {
    align-items: stretch;
    flex-direction: column;
  }

  .form-submit .button {
    width: 100%;
  }

  .cta-panel {
    padding: 38px 24px;
  }

  .footer-main {
    gap: 38px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    padding: 24px 0;
  }

  .footer-bottom div {
    flex-wrap: wrap;
  }

  .mobile-actions {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 120;
    min-height: 68px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    display: grid;
    grid-template-columns: 1fr 1fr;
    color: var(--white);
    background: var(--green-950);
    box-shadow: 0 -10px 30px rgba(8, 27, 19, 0.18);
  }

  .mobile-actions a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    font-size: 0.84rem;
    font-weight: 800;
  }

  .mobile-actions a + a {
    background: var(--green-600);
  }

  .mobile-actions svg {
    width: 20px;
    height: 20px;
  }
}

@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;
  }
}

/* Compact mobile composition: preserve conversion content without an excessive page length. */
@media (max-width: 680px) {
  .proof-strip__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-strip article {
    min-height: 142px;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 18px 14px;
  }

  .proof-strip article:nth-child(2) {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .proof-strip article:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .proof-strip article:nth-child(4) {
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .proof-strip .icon-box {
    width: 38px;
    height: 38px;
  }

  .proof-strip .icon-box svg {
    width: 20px;
    height: 20px;
  }

  .proof-strip h2 {
    font-size: 0.92rem;
  }

  .proof-strip p {
    font-size: 0.75rem;
  }

  .card-grid--3 {
    grid-template-columns: 1fr;
  }

  .media-card {
    display: grid;
    grid-template-columns: 128px minmax(0, 1fr);
  }

  .media-card__image {
    height: 100%;
    min-height: 190px;
  }

  .media-card__icon {
    right: 10px;
    width: 42px;
    height: 42px;
  }

  .media-card__body {
    padding: 20px 18px;
  }

  .media-card__body h3 {
    font-size: 1.12rem;
  }

  .media-card__body p:not(.card-label) {
    font-size: 0.82rem;
    line-height: 1.5;
  }

  .media-card__body .text-link {
    font-size: 0.76rem;
  }

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

  .metal-card {
    min-height: 170px;
  }

  .metal-card span {
    right: 12px;
    bottom: 12px;
    left: 12px;
  }

  .metal-card strong {
    font-size: 0.82rem;
  }

  .process-image img,
  .xrf-banner__image img {
    max-height: 270px;
  }

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

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

@media (max-width: 430px) {
  .media-card {
    grid-template-columns: 112px minmax(0, 1fr);
  }

  .media-card__body {
    padding: 18px 14px;
  }

  .media-card__body p:not(.card-label) {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }
}


.language-suggestion {
  position: fixed;
  z-index: 1300;
  left: 50%;
  bottom: 22px;
  width: min(680px, calc(100% - 32px));
  transform: translateX(-50%);
  padding: 0;
}

.language-suggestion__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px 12px 18px;
  background: var(--ink);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.24);
  font-size: 0.92rem;
}

.language-suggestion__inner > span {
  flex: 1;
}

.language-suggestion__action {
  flex: 0 0 auto;
  color: var(--white);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.language-suggestion__close {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  font: inherit;
  font-size: 1.35rem;
  cursor: pointer;
}

.language-suggestion__action:focus-visible,
.language-suggestion__close:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

@media (max-width: 680px) {
  .language-suggestion {
    bottom: calc(82px + env(safe-area-inset-bottom, 0px));
    width: calc(100% - 24px);
  }

  .language-suggestion__inner {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 9px 12px;
    padding: 13px 12px 13px 15px;
  }

  .language-suggestion__inner > span {
    flex-basis: calc(100% - 50px);
  }

  .language-suggestion__action {
    order: 3;
    width: 100%;
  }

  .language-suggestion__close {
    margin-left: auto;
  }
}
/* Specialist metal SEO landing pages */
.breadcrumb{border-bottom:1px solid var(--line);background:var(--white)}.breadcrumb .container{min-height:46px;display:flex;align-items:center;gap:9px;color:var(--muted);font-size:.82rem}.breadcrumb a{color:var(--green-700)}.special-hero{background:linear-gradient(135deg,var(--green-900),var(--green-700));color:var(--white);overflow:hidden}.special-hero__grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(340px,.94fr);align-items:stretch;min-height:620px}.special-hero__grid>div:first-child{padding:clamp(72px,8vw,112px) clamp(34px,6vw,88px) clamp(72px,8vw,112px) 0;align-self:center}.special-hero h1{max-width:900px;margin-top:15px;font-size:clamp(3.1rem,6vw,5.9rem);line-height:.94;letter-spacing:-.055em}.special-hero__lead{max-width:720px;margin-top:28px;color:rgba(255,255,255,.8);font-size:clamp(1rem,1.3vw,1.17rem)}.special-hero__image img{width:100%;height:100%;min-height:620px;display:block;object-fit:cover}.special-hero .button-row,.special-cta .button-row{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px}.button--outline-dark{background:transparent;color:var(--white);border:1px solid rgba(255,255,255,.45)}.special-service-area{margin-top:24px;color:rgba(255,255,255,.72);font-size:.88rem}.special-two-col,.special-analysis-grid,.special-faq{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:clamp(42px,7vw,100px);align-items:start}.special-two-col h2,.special-analysis-grid h2,.special-faq h2{margin-top:12px;font-size:clamp(2rem,4vw,3.45rem);line-height:1}.special-two-col p,.special-analysis-grid p{margin-top:22px;color:var(--muted)}.special-list ul{display:grid;gap:10px;list-style:none;padding:0;margin:0}.special-list li{position:relative;padding:17px 20px 17px 46px;border:1px solid var(--line);background:var(--white);border-radius:7px;font-weight:700}.special-list li:before{content:"✓";position:absolute;left:18px;color:var(--green-700)}.special-xrf{display:grid;grid-template-columns:190px 1fr;gap:26px;align-items:center;padding:24px;border:1px solid var(--line);background:var(--white);border-radius:8px}.special-xrf img{width:190px;aspect-ratio:1;object-fit:cover;border-radius:6px}.special-xrf h3{font-size:1.35rem}.special-xrf p{margin-top:10px}.special-xrf a{display:inline-block;margin-top:13px;color:var(--green-700);font-weight:700}.special-step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.special-step-grid article,.special-factor-grid article{padding:28px;border:1px solid var(--line);background:var(--white);border-radius:7px}.special-step-grid article>span{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--green-700);color:#fff;font-weight:800}.special-step-grid h3,.special-factor-grid h3{margin-top:20px;font-size:1.12rem}.special-step-grid p,.special-factor-grid p{margin-top:10px;color:var(--muted);font-size:.92rem}.special-factor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.special-faq details{border-top:1px solid var(--line);padding:18px 0}.special-faq details:last-child{border-bottom:1px solid var(--line)}.special-faq summary{cursor:pointer;font-weight:800;list-style:none}.special-faq details p{margin-top:12px;color:var(--muted)}.special-related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.special-related-card{min-height:150px;padding:22px;display:flex;flex-direction:column;gap:11px;border:1px solid var(--line);background:var(--white);border-radius:7px}.special-related-card strong{color:var(--green-800)}.special-related-card span{color:var(--muted);font-size:.88rem;line-height:1.55}.special-all-link{margin-top:22px;font-weight:800}.special-all-link a{color:var(--green-700)}.special-cta{padding:64px 0;background:var(--ink);color:var(--white)}.special-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:44px}.special-cta h2{margin-top:8px;font-size:clamp(2rem,4vw,3.5rem)}.special-cta p{max-width:720px;margin-top:14px;color:rgba(255,255,255,.68)}.special-cta .button--ghost{color:#fff;border:1px solid rgba(255,255,255,.35);background:transparent}.special-metals-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}.special-metals-card{display:flex;flex-direction:column;min-height:220px;padding:26px;border:1px solid var(--line);border-radius:8px;background:var(--white)}.special-metals-card h3{font-size:1.45rem}.special-metals-card p{margin-top:12px;color:var(--muted)}.special-metals-card a{margin-top:auto;padding-top:20px;color:var(--green-700);font-weight:800}.form-prefill-note{display:none;margin:-3px 0 12px;color:var(--green-700);font-size:.84rem;font-weight:700}.form-prefill-note.is-visible{display:block}@media(max-width:980px){.special-hero__grid{grid-template-columns:1fr;min-height:0}.special-hero__grid>div:first-child{padding:72px 0 54px}.special-hero__image img{min-height:360px;max-height:520px}.special-two-col,.special-analysis-grid,.special-faq{grid-template-columns:1fr;gap:34px}.special-step-grid{grid-template-columns:repeat(2,1fr)}.special-related-grid,.special-metals-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.breadcrumb .container{overflow-x:auto;white-space:nowrap}.special-hero h1{font-size:clamp(2.35rem,10vw,3rem);line-height:1.02}.special-hero__grid>div:first-child{padding:54px 0 42px}.special-hero__image img{min-height:280px}.special-hero .button-row,.special-cta .button-row{flex-direction:column;align-items:stretch}.special-xrf{grid-template-columns:1fr}.special-xrf img{width:100%;max-height:280px}.special-step-grid,.special-factor-grid,.special-related-grid,.special-metals-grid{grid-template-columns:1fr}.special-cta__inner{align-items:stretch;flex-direction:column}}


/* Production V2: specialist-page consistency and internal-link clusters */
.special-hero__grid { grid-template-columns: minmax(0, 1.28fr) minmax(300px, .72fr); }
.special-hero__image img { object-position: center; }
.special-context-grid { display:grid; grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr); gap:clamp(42px,7vw,100px); align-items:start; }
.special-context-grid h2 { margin-top:12px; font-size:clamp(2rem,4vw,3.45rem); line-height:1; }
.special-context-copy { display:grid; gap:18px; color:var(--muted); font-size:1rem; }
.specialist-link-row { display:flex; flex-wrap:wrap; gap:10px; margin-top:30px; }
.specialist-link-row a { display:inline-flex; align-items:center; min-height:44px; padding:9px 14px; border:1px solid var(--line); border-radius:999px; background:var(--white); color:var(--green-800); font-weight:800; }
.specialist-link-row a:hover { border-color:var(--green-500); transform:translateY(-1px); }
.home-specialist-cta__button { margin-top:24px; }
.service-specialist-links { margin:22px 0 24px; padding:17px 19px; border:1px solid rgba(255,255,255,.18); border-radius:7px; background:rgba(255,255,255,.06); }
.service-specialist-links strong { display:block; color:var(--white); }
.service-specialist-links p { margin-top:8px !important; color:rgba(255,255,255,.72) !important; font-size:.9rem; }
.service-specialist-links a { color:var(--white); text-decoration:underline; text-underline-offset:3px; }
@media (max-width:980px) { .special-context-grid { grid-template-columns:1fr; gap:32px; } }
@media (max-width:680px) { .specialist-link-row { display:grid; grid-template-columns:1fr 1fr; } .specialist-link-row a { border-radius:7px; } }
@media (max-width:390px) { .specialist-link-row { grid-template-columns:1fr; } }


/* Production V4 — UX/accessibility refinements */
.file-input:focus-within {
  border-color: var(--green-700);
  box-shadow: 0 0 0 3px rgba(71, 125, 67, 0.16);
  outline: 2px solid transparent;
}

.contact-method-hint {
  grid-column: 1 / -1;
  margin: -6px 0 -4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
}

.contact-route {
  margin-top: 22px;
}

.contact-route .button {
  width: 100%;
  justify-content: center;
}

.form-submit button[disabled] {
  cursor: wait;
  opacity: 0.78;
}

.form-submit button[aria-busy="true"] svg {
  animation: form-submit-pulse 900ms ease-in-out infinite alternate;
}

@keyframes form-submit-pulse {
  from { transform: translateX(0); opacity: .55; }
  to { transform: translateX(4px); opacity: 1; }
}

.error-page {
  min-height: 58vh;
  display: grid;
  align-items: center;
  padding: clamp(76px, 10vw, 132px) 0;
  background: linear-gradient(135deg, var(--green-950), var(--green-800));
  color: var(--white);
}

.error-page__inner {
  max-width: 780px;
}

.error-page .eyebrow {
  color: var(--green-300);
}

.error-page h1 {
  margin-top: 14px;
  max-width: 760px;
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  line-height: .96;
  letter-spacing: -.05em;
}

.error-page__lead {
  max-width: 650px;
  margin-top: 24px;
  color: rgba(255,255,255,.76);
  font-size: 1.06rem;
}

.error-page .button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.error-page .button--ghost {
  color: var(--white);
  border: 1px solid rgba(255,255,255,.38);
  background: transparent;
}

.error-page__languages {
  display: flex;
  gap: 9px;
  margin-top: 34px;
}

.error-page__languages a {
  min-width: 46px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 999px;
  color: var(--white);
  font-size: .78rem;
  font-weight: 800;
}

.error-page__languages a[aria-current="true"] {
  color: var(--green-950);
  background: var(--white);
  border-color: var(--white);
}

@media (max-width: 680px) {
  .error-page { padding: 62px 0 94px; }
  .error-page .button-row { flex-direction: column; align-items: stretch; }
}

/* Production V4: final specialist mobile layout safeguard.
   This must come after the desktop Production V2 grid refinement. */
@media (max-width: 980px) {
  .special-hero__grid {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .special-hero__image {
    width: 100%;
  }
}
/* V12 — mobile navigation and narrow-screen safeguards */
@media (max-width: 680px) {
  body.menu-open .mobile-actions {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }
}

@media (max-width: 360px) {
  .proof-strip__grid {
    grid-template-columns: 1fr;
  }

  .proof-strip article {
    min-height: 112px;
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    align-items: start;
    gap: 12px;
    padding: 17px 15px;
    border-left: 0 !important;
    border-top: 1px solid var(--line) !important;
  }

  .proof-strip article:first-child {
    border-top: 0 !important;
  }

  .proof-strip article > div {
    min-width: 0;
  }
}


/* V13: hidden anti-spam field without inline CSS, enabling a strict style CSP. */
.form-honeypot {
  position: absolute !important;
  left: -10000px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

/* V13: <picture> is transport-only; preserve every existing layout selector. */
picture.media-picture {
  display: contents;
}

/* SEO cleanup: keep additional materials discoverable without giving every material equal visual weight. */
.additional-materials-directory{margin-top:56px;padding-top:42px;border-top:1px solid var(--line)}
.additional-materials-directory .prose{max-width:780px}
.additional-materials-directory .prose h3{margin-top:10px;font-size:clamp(1.55rem,2.6vw,2.15rem)}
.additional-materials-directory .prose p:last-child{margin-top:14px;color:var(--muted)}
.additional-materials-directory h4{margin-top:30px;font-size:1rem;color:var(--ink-soft)}
.additional-materials-directory .specialist-link-row{margin-top:12px}
.special-related-grid--compact{grid-template-columns:repeat(3,1fr)}
@media(max-width:980px){.special-related-grid--compact{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.special-related-grid--compact{grid-template-columns:1fr}.additional-materials-directory{margin-top:42px;padding-top:32px}}

/* Phase 4 — homepage semantics + controlled desktop media proportions. */
.hero__descriptor{display:block;max-width:760px;margin-bottom:17px;color:rgba(255,255,255,.9);font-size:1.18rem;font-weight:760;line-height:1.28;letter-spacing:-.012em}
.hero__slogan{display:block;font-size:5.25rem;font-weight:760;line-height:1.02;letter-spacing:-.05em}.hero__slogan-line,.hero__slogan em{display:block}.hero__slogan-line{white-space:nowrap}

/* The overview uses portrait source photos. Crop them deliberately on screen instead of allowing their intrinsic height to dominate a desktop section. */
.metal-detail__image{height:380px;overflow:hidden;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);background:var(--green-100)}
.metal-detail__image picture.media-picture{display:block;width:100%;height:100%}
.metal-detail__image img{width:100%;height:100%;aspect-ratio:auto;border-radius:0;box-shadow:none;object-fit:cover}

/* XRF support cards should read as compact supporting evidence, never as a dominant vertical image panel. */
.special-xrf{grid-template-columns:minmax(170px,205px) minmax(0,1fr);gap:24px;align-items:center}
.special-xrf picture.media-picture{display:block;width:100%;height:190px}
.special-xrf img{width:100%;height:100%;max-height:none;aspect-ratio:auto;object-fit:cover}

@media(max-width:980px){
  .hero__slogan{font-size:4.5rem}
  .metal-detail__image{width:min(100%,720px);height:400px}
  .special-xrf{grid-template-columns:180px minmax(0,1fr)}
  .special-xrf picture.media-picture{height:180px}
}
@media(max-width:680px){
  .hero__descriptor{margin-bottom:13px;font-size:.92rem;line-height:1.35}
  .hero__slogan{font-size:2rem;line-height:1.02}
  .hero__content{padding:56px 0 96px}.hero__lead{margin-bottom:28px}.metal-detail__image{width:100%;height:280px}
  .special-xrf{grid-template-columns:1fr;gap:20px}
  .special-xrf picture.media-picture{height:220px}
}

@media(max-width:360px){.hero__slogan{font-size:1.82rem}.hero__descriptor{font-size:.88rem}}

/* Phase 5: secondary CTA on light analysis hero */
.button--outline-green {
  color: var(--green-800);
  background: transparent;
  border-color: var(--green-600);
}
.button--outline-green:hover {
  color: var(--green-900);
  background: var(--green-50);
  border-color: var(--green-700);
}

/* Phase 5: analysis-page hero remains readable on the light background. */
.analysis-page .page-hero .button-row {
  margin-top: 24px;
}
.analysis-page .page-hero .special-service-area {
  color: var(--muted);
}
@media (max-width: 680px) {
  .analysis-page .page-hero .button-row {
    flex-direction: column;
    align-items: stretch;
  }
}


/* Pre-live visual regression fix: PGM/Rhenium analysis cards and intended light CTA. */
.analysis-card {
  min-height: 100%;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 35px rgba(16, 44, 32, 0.05);
}
.analysis-card__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 8px;
  color: var(--green-800);
  background: var(--green-100);
}
.analysis-card__icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.analysis-card h3 {
  font-size: 1.28rem;
  line-height: 1.2;
}
.analysis-card p {
  margin-top: 12px;
  color: var(--muted);
  font-size: .94rem;
}
.button--light {
  color: var(--green-950);
  background: var(--white);
  border-color: var(--white);
}
.button--light:hover {
  color: var(--green-950);
  background: var(--green-50);
  border-color: var(--green-50);
}
@media (max-width: 680px) {
  .analysis-card { padding: 24px 22px; }
}


/* PRELIVE VISUAL POLISH — preserve intrinsic image proportions unless a component intentionally crops. */
img { height: auto; }

/* General content photography should render as a controlled landscape image, not inherit HTML pixel height. */
.page-hero__image img,
.detail-service__image img,
.about-feature__image img,
.process-image img,
.xrf-banner__image img {
  height: auto;
}

/* Specialist material heroes: keep strong imagery without letting long copy stretch a photo to ~one full laptop viewport. */
@media (min-width: 981px) {
  .special-hero__image {
    height: clamp(620px, 50vw, 740px);
    align-self: center;
    overflow: hidden;
  }
  .special-hero__image picture.media-picture {
    width: 100%;
    height: 100%;
    display: block;
  }
  .special-hero__image img {
    width: 100%;
    height: 100%;
    min-height: 0;
    max-height: none;
    object-fit: cover;
  }
}
@media (max-width: 980px) {
  .special-hero__image {
    width: 100%;
    height: 360px;
    overflow: hidden;
  }
  .special-hero__image picture.media-picture {
    display: block;
    width: 100%;
    height: 100%;
  }
  .special-hero__image img {
    width: 100%;
    height: 100%;
    min-height: 0;
    max-height: none;
    object-fit: cover;
  }
}
@media (max-width: 680px) {
  .special-hero__image { height: 280px; }

  /* Slightly improve readability of the four homepage proof points. */
  .proof-strip p { font-size: .8rem; line-height: 1.48; }

  /* Contact already contains all contact methods; 404 should stay distraction-free. */
  .page-contact,
  .page-404 { padding-bottom: 0; }
  .page-contact .mobile-actions,
  .page-404 .mobile-actions { display: none; }

  /* On the homepage the persistent conversion bar appears only after the visitor has seen most of the hero. */
  .page-home .mobile-actions {
    opacity: 0;
    pointer-events: none;
    transform: translateY(100%);
    transition: opacity 180ms ease, transform 180ms ease;
  }
  .page-home .mobile-actions.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  /* Make horizontal metal-category navigation visibly discoverable without adding another UI component. */
  .anchor-nav::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 34px;
    content: "";
    pointer-events: none;
    background: linear-gradient(90deg, rgba(255,255,255,0), var(--white));
  }
  .anchor-nav .container { padding-right: 32px; }
}

/* PRELIVE VISUAL POLISH: PGM analysis evidence card should size to its content, not mirror the taller text column. */
.analysis-card { min-height: 0; align-self: start; }