:root {
  --graphite: #171a1e;
  --graphite-2: #24282d;
  --cream: #f6f3ed;
  --cream-2: #ede8df;
  --white: #fffdf9;
  --terracotta: #c26444;
  --terracotta-dark: #9f4c32;
  --terracotta-soft: #f2e2d7;
  --sage: #586f6a;
  --sage-dark: #3e5550;
  --sage-soft: #dde7e3;
  --ink-muted: #62625e;
  --line: rgba(23, 26, 30, 0.16);
  --line-light: rgba(246, 243, 237, 0.22);
  --shell: 1280px;
  --shadow: 0 22px 70px rgba(23, 26, 30, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--graphite);
  font-family: Inter, "Noto Sans SC", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, summary { cursor: pointer; }
h1, h2, h3, p, figure { margin-top: 0; }
h1, h2, h3 { font-weight: 650; letter-spacing: -0.045em; }
h1 { font-size: clamp(3.4rem, 7.4vw, 7.7rem); line-height: 0.91; margin-bottom: 30px; }
h2 { font-size: clamp(2.4rem, 4.4vw, 5rem); line-height: 0.98; margin-bottom: 22px; }
h3 { font-size: 1.45rem; line-height: 1.1; }
p { margin-bottom: 1em; }
:focus-visible { outline: 3px solid var(--terracotta); outline-offset: 4px; }
[hidden] { display: none !important; }

.shell { width: min(var(--shell), calc(100% - 64px)); margin-inline: auto; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; padding: 12px 16px; transform: translateY(-160%); background: var(--graphite); color: var(--cream); font-size: .82rem; font-weight: 800; transition: transform 160ms ease; }
.skip-link:focus { transform: translateY(0); }
.eyebrow, .micro-label {
  margin: 0 0 18px;
  color: var(--terracotta-dark);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow--light { color: #efb29d; }
.hero-lead {
  max-width: 690px;
  color: #ddd8cf;
  font-size: clamp(1.12rem, 1.7vw, 1.45rem);
  line-height: 1.5;
}
.section { padding: 118px 0; }
.section--sage-soft { background: var(--sage-soft); }
.section-heading { max-width: 820px; margin-bottom: 56px; }
.section-heading--split {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 80px;
  max-width: none;
  align-items: end;
}
.section-heading--split > p {
  color: var(--ink-muted);
  font-size: 1.08rem;
  margin: 0 0 6px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 243, 237, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.site-header__inner { height: 84px; display: flex; align-items: center; gap: 26px; }
.brand { display: inline-flex; width: 168px; flex: 0 0 auto; }
.brand img { width: 100%; height: auto; }
.primary-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.primary-nav a {
  position: relative;
  padding: 12px 13px;
  font-size: 0.86rem;
  font-weight: 700;
}
.primary-nav a::after {
  position: absolute;
  right: 13px;
  bottom: 7px;
  left: 13px;
  height: 2px;
  background: var(--terracotta);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: 180ms ease;
}
.primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { opacity: 1; transform: scaleX(1); }
.primary-nav__mobile-action { display: none; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.language-switcher { display: flex; align-items: center; gap: 2px; border-left: 1px solid var(--line); padding-left: 14px; }
.language-switcher a { padding: 6px 7px; color: var(--ink-muted); font-size: 0.72rem; font-weight: 800; }
.language-switcher a[aria-current="true"] { color: var(--terracotta-dark); }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 1px solid var(--graphite);
  background: var(--graphite);
  color: var(--cream);
  place-content: center;
  gap: 5px;
  box-shadow: 0 7px 18px rgba(23, 26, 30, 0.13);
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.menu-toggle:hover { background: var(--terracotta); border-color: var(--terracotta); transform: translateY(-1px); }
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--cream);
  transform-origin: center;
  transition: transform 180ms ease, opacity 120ms ease;
}
.menu-toggle[aria-expanded="true"] { background: var(--terracotta); border-color: var(--terracotta); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 19px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  color: inherit;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button--compact { min-height: 42px; padding: 10px 14px; }
.button--ink { background: var(--graphite); color: var(--cream); }
.button--ink:hover { background: var(--terracotta); }
.button--terracotta { background: var(--terracotta); color: var(--white); }
.button--terracotta:hover { background: var(--terracotta-dark); }
.button--ghost { border-color: var(--line-light); color: var(--cream); }
.button--ghost:hover { background: var(--cream); color: var(--graphite); }
.button--outline { border-color: var(--graphite); }
.button--outline:hover { background: var(--graphite); color: var(--cream); }
.button--cream { background: var(--cream); color: var(--graphite); }
.button--cream:hover { background: var(--terracotta-soft); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.text-link {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
  font-size: 0.84rem;
  font-weight: 800;
}
.text-link span { transition: transform 160ms ease; }
.text-link:hover span { transform: translate(3px, -3px); }

.group-hero {
  position: relative;
  min-height: calc(100vh - 84px);
  overflow: hidden;
  background: var(--cream);
  color: var(--graphite);
}
.group-hero__pattern {
  position: absolute;
  inset: 0;
  background: url("../brand/patterns/dpt-dot-field-tile.svg") repeat;
  opacity: 0.72;
  pointer-events: none;
}
.group-hero__grid {
  position: relative;
  display: grid;
  min-height: calc(100vh - 84px);
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, .92fr);
  gap: clamp(44px, 6vw, 96px);
  align-items: center;
  padding-top: 62px;
  padding-bottom: 62px;
}
.group-hero__copy { position: relative; z-index: 2; max-width: 780px; }
.group-hero h1 { max-width: 780px; font-size: clamp(3.4rem, 5.4vw, 6.4rem); }
.group-hero .hero-lead { max-width: 700px; color: var(--ink-muted); }
.group-hero .button--ghost { border-color: var(--graphite); color: var(--graphite); }
.group-hero .button--ghost:hover { background: var(--graphite); color: var(--cream); }
.group-hero__copy > * { animation: hero-in 620ms cubic-bezier(.2,.7,.2,1) both; }
.group-hero__copy > :nth-child(2) { animation-delay: 90ms; }
.group-hero__copy > :nth-child(3) { animation-delay: 160ms; }
.group-hero__visual {
  position: relative;
  z-index: 2;
  width: min(100%, 560px);
  height: auto;
  aspect-ratio: 3 / 2;
  justify-self: end;
}
.hero-carousel__slides { position: relative; width: 100%; height: 100%; }
.hero-product {
  position: absolute;
  inset: 0;
  display: block;
  overflow: hidden;
  border: 1px solid rgba(23,26,30,.14);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 24px 60px rgba(23,26,30,.12);
  opacity: 0;
  pointer-events: none;
  transform: scale(.985);
  transition: opacity 360ms ease, transform 460ms cubic-bezier(.2,.7,.2,1);
}
.hero-product.is-active { z-index: 1; opacity: 1; pointer-events: auto; transform: none; }
.hero-product img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms cubic-bezier(.2,.7,.2,1); }
.hero-product:hover img { transform: scale(1.018); }
.hero-product__label { position: absolute; right: 0; bottom: 0; left: 0; z-index: 2; display: block; min-height: 54px; padding: 16px 102px 15px 18px; border-top: 1px solid rgba(23,26,30,.1); background: rgba(255,253,249,.96); color: var(--graphite); font-size: .72rem; font-weight: 800; letter-spacing: .035em; line-height: 1.25; }
.hero-carousel__controls { position: absolute; right: 18px; bottom: 0; z-index: 4; display: flex; min-height: 54px; align-items: center; gap: 8px; }
.hero-carousel__dot { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 999px; background: rgba(23,26,30,.32); transition: width 180ms ease, background 180ms ease; }
.hero-carousel__dot:hover, .hero-carousel__dot:focus-visible { background: var(--graphite); }
.hero-carousel__dot.is-active { width: 25px; background: var(--terracotta); }
@keyframes hero-in { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: none; } }
.section-heading--simple { margin-bottom: 42px; }
.section-heading--simple h2 { margin-bottom: 0; }

.direction-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 24px; }
.direction-card { --direction-card-media-height: clamp(260px, 24vw, 320px); display: flex; min-width: 0; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: var(--white); box-shadow: 0 12px 38px rgba(23,26,30,.045); }
.direction-card__media { position: relative; display: block; height: var(--direction-card-media-height); min-height: 0; flex: 0 0 var(--direction-card-media-height); overflow: hidden; background: var(--graphite); }
.direction-card__media::after { position: absolute; inset: 0; background: rgba(23, 26, 30, 0.08); content: ""; transition: 200ms ease; }
.direction-card__media > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 400ms cubic-bezier(.2,.7,.2,1); }
.direction-card:hover .direction-card__media > img { transform: scale(1.02); }
.direction-card:hover .direction-card__media::after { background: transparent; }
.direction-card__brandmark { position: absolute; z-index: 3; right: 20px; bottom: 20px; width: min(52%, 220px); padding: 12px 15px; border-radius: 12px; background: rgba(246,243,237,.94); box-shadow: 0 12px 28px rgba(23,26,30,.16); }
.direction-card__brandmark img { width: 100%; height: auto; transform: none !important; }
.direction-card__body { display: grid; min-height: 330px; flex: 1; grid-template-rows: 18px minmax(3.3em, auto) minmax(min-content, 1fr) auto; justify-items: center; row-gap: 14px; padding: 30px; text-align: center; }
.direction-card__body .micro-label { width: 100%; margin: 0; font-size: clamp(.59rem, .72vw, .72rem); line-height: 1.2; white-space: nowrap; }
.direction-card__body h3 { width: 100%; max-width: 550px; min-height: 3.3em; margin: 0; font-size: clamp(1.75rem, 2.35vw, 2.7rem); text-wrap: balance; }
.direction-card__body > p:not(.micro-label) { align-self: start; max-width: 560px; margin: 0; color: var(--ink-muted); text-wrap: pretty; }
.direction-card__body .text-link { align-self: end; margin: 0; white-space: nowrap; }
.direction-card--terracotta { border-bottom: 6px solid var(--terracotta); }
.direction-card--coldoff { border-bottom: 6px solid #c75730; }
.direction-card--sage { border-bottom: 6px solid var(--sage); }

.international { position: relative; min-height: calc(100svh - 40px); overflow: hidden; background: var(--cream); color: var(--graphite); }
.international::after { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(246,243,237,.96) 0%, rgba(246,243,237,.74) 39%, rgba(246,243,237,.12) 66%, transparent 76%); content: ""; pointer-events: none; }
.international__globe { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; border: 0; background: var(--cream); }
.international__inner { position: relative; z-index: 2; display: flex; min-height: calc(100svh - 40px); align-items: center; pointer-events: none; }
.international__copy { width: min(510px, 42vw); pointer-events: auto; }
.international .eyebrow--light { color: var(--terracotta-dark); }
.international__copy h2 { max-width: 620px; }
.international__copy > p:not(.eyebrow) { max-width: 470px; color: var(--ink-muted); font-size: 1.05rem; }
.international__copy .button { margin-top: 18px; }

.capability-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid rgba(23,26,30,.28); }
.capability-card { min-height: 310px; padding: 28px 26px; border-right: 1px solid rgba(23,26,30,.28); }
.capability-card:last-child { border-right: 0; }
.capability-card > span { display: block; margin-bottom: 74px; color: var(--sage-dark); font-size: 0.75rem; font-weight: 800; }
.capability-card h3 { font-size: 1.65rem; }
.capability-card p { color: #4e5d59; font-size: 0.95rem; }

.footprint__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 90px; align-items: center; }
.markets-panel {
  position: relative;
  display: flex;
  min-height: 450px;
  align-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  overflow: hidden;
  padding: 60px;
  background: var(--graphite);
  color: var(--cream);
}
.markets-panel::before {
  position: absolute;
  inset: 0;
  background: url("../brand/patterns/dpt-dot-field-tile.svg") repeat;
  content: "";
  filter: grayscale(1) brightness(1.9);
  opacity: .52;
}
.markets-panel span {
  position: relative;
  z-index: 2;
  padding: 12px 15px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  background: rgba(23, 26, 30, .86);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .04em;
}
.footprint__copy > p { color: var(--ink-muted); font-size: 1.05rem; }

.direction-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.direction-hero--terracotta { background: var(--terracotta-soft); }
.direction-hero--coldoff { background: #f2e2d7; }
.direction-hero--sage { background: var(--sage-soft); }
.direction-hero__grid { display: grid; min-height: 690px; grid-template-columns: minmax(0, 1.35fr) minmax(450px, .85fr); gap: clamp(40px, 4vw, 64px); align-items: center; padding-top: 70px; padding-bottom: 70px; }
.direction-hero__copy h1 { max-width: 760px; font-size: clamp(3.7rem, 5.4vw, 5.6rem); }
.direction-hero__copy .hero-lead { color: #4d4d49; }
.direction-hero__note { margin: 34px 0 0; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink-muted); font-size: 0.82rem; font-weight: 750; }
.direction-hero__media { position: relative; height: 520px; margin: 0; }
.direction-hero__media::before { position: absolute; top: -18px; right: -18px; width: 120px; height: 120px; background: var(--graphite); content: ""; }
.direction-hero--terracotta .direction-hero__media::before { background: var(--terracotta); }
.direction-hero--coldoff .direction-hero__media::before { background: #c75730; }
.direction-hero--sage .direction-hero__media::before { background: var(--sage); }
.direction-hero__media img { position: relative; width: 100%; height: 100%; object-fit: cover; box-shadow: var(--shadow); }
.direction-hero__media figcaption { position: absolute; right: 0; bottom: 0; padding: 14px 18px; background: var(--graphite); color: var(--cream); font-size: .68rem; font-weight: 800; letter-spacing: .12em; }
.direction-hero__brandmark { width: min(280px, 58%); margin-bottom: 30px; }
.direction-hero__brandmark img { width: 100%; height: auto; }

.metric-band { background: var(--graphite); color: var(--cream); }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.metric-grid article { min-height: 165px; padding: 34px 28px; border-right: 1px solid var(--line-light); }
.metric-grid article:last-child { border-right: 0; }
.metric-grid strong { display: block; margin-bottom: 13px; color: #e4b09e; font-size: clamp(2rem, 3.4vw, 3.2rem); line-height: 1; letter-spacing: -0.05em; }
.metric-grid span { color: #c9c5bd; font-size: 0.82rem; font-weight: 700; }

.material-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.material-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.material-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.material-grid article { min-height: 260px; padding: 26px; border-right: 1px solid var(--line); }
.material-grid article:last-child { border-right: 0; }
.material-grid span, .application-grid article > span { display: block; margin-bottom: 50px; color: var(--terracotta-dark); font-size: .72rem; font-weight: 800; }
.material-grid h3 { font-size: 1.5rem; }
.material-grid p { color: var(--ink-muted); font-size: .9rem; }

.catalog-section { border-block: 1px solid var(--line); background: var(--white); }
.catalog-heading { display: flex; align-items: end; justify-content: space-between; gap: 34px; margin-bottom: 34px; }
.catalog-heading h2 { margin-bottom: 10px; }
.catalog-heading p { color: var(--ink-muted); }
.catalog-heading__note { max-width: 590px; margin: 12px 0 0; font-size: .76rem; line-height: 1.45; }
.catalog-search { position: relative; display: block; width: min(100%, 390px); }
.catalog-search input { width: 100%; height: 54px; padding: 12px 48px 12px 16px; border: 1px solid var(--line); border-radius: 11px; background: var(--cream); color: var(--graphite); }
.catalog-search i { position: absolute; top: 13px; right: 17px; font-size: 1.2rem; font-style: normal; }
.catalog-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 34px; }
.catalog-filters button { display: inline-flex; align-items: center; gap: 12px; min-height: 42px; padding: 9px 13px; border: 1px solid var(--line); background: transparent; color: var(--graphite); font-size: .78rem; font-weight: 750; }
.catalog-filters button span { color: var(--ink-muted); font-size: .68rem; }
.catalog-filters button:hover, .catalog-filters button.is-active { border-color: var(--graphite); background: var(--graphite); color: var(--cream); }
.catalog-filters button.is-active span { color: #c8c5be; }
.catalog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.catalog-card { display: flex; min-width: 0; min-height: 100%; flex-direction: column; padding: 25px; border: 1px solid var(--line); border-radius: 16px; background: var(--cream); }
.catalog-card__top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 34px; }
.catalog-card__top > span { color: var(--ink-muted); font-size: .67rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.catalog-card__top b { display: grid; width: 38px; height: 38px; place-items: center; background: var(--terracotta-soft); color: var(--terracotta-dark); font-size: .72rem; }
.page--batteries .catalog-card__top b { background: var(--sage-soft); color: var(--sage-dark); }
.page--coldoff .catalog-card__top b { background: #f2e2d7; color: #9f4c32; }
.catalog-card h3 { overflow-wrap: anywhere; font-size: clamp(1.45rem, 2vw, 2rem); }
.catalog-card__type { color: var(--terracotta-dark); font-size: .83rem; font-weight: 800; }
.page--batteries .catalog-card__type { color: var(--sage-dark); }
.page--coldoff .catalog-card__type { color: #9f4c32; }
.catalog-card__description { color: var(--ink-muted); font-size: .92rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 22px; }
.tag-list span { padding: 5px 7px; border: 1px solid var(--line); color: #595956; font-size: .67rem; font-weight: 700; }
.catalog-card details { margin-top: auto; border-top: 1px solid var(--line); }
.catalog-card__inquiry { align-self: flex-start; margin-top: 22px; }
.catalog-card summary { display: flex; align-items: center; justify-content: space-between; padding: 16px 0 0; font-size: .78rem; font-weight: 800; list-style: none; }
.catalog-card summary::-webkit-details-marker { display: none; }
.catalog-card details[open] summary span { transform: rotate(45deg); }
.technical-list { padding: 12px 0 0 17px; color: var(--ink-muted); font-size: .77rem; }
.technical-list li { margin-bottom: 7px; }
.technical-specs { margin: 14px 0 0; font-size: .75rem; }
.technical-specs div { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 9px 0; border-top: 1px solid var(--line); }
.technical-specs dt { color: var(--ink-muted); }
.technical-specs dd { margin: 0; text-align: right; font-weight: 750; }
.catalog-empty { padding: 56px 0; border-top: 1px solid var(--line); color: var(--ink-muted); text-align: center; }

.applications-section { background: var(--terracotta-soft); }
.page--coldoff .applications-section { background: #f2e2d7; }
.page--batteries .applications-section { background: var(--sage-soft); }
.application-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.application-grid article { min-height: 250px; padding: 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.application-grid article:nth-child(4n) { border-right: 0; }
.application-grid h3 { font-size: 1.45rem; }
.application-grid p { color: var(--ink-muted); font-size: .88rem; }

.process-section { background: var(--cream); }
.process-section__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(520px, 1.2fr); gap: 100px; }
.process-intro { position: sticky; top: 120px; align-self: start; }
.process-intro p:last-child { max-width: 540px; color: var(--ink-muted); font-size: 1.06rem; }
.workflow-grid { border-top: 1px solid var(--line); }
.workflow-grid article { display: grid; grid-template-columns: 70px 1fr; gap: 18px; min-height: 160px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.workflow-grid article > span { color: var(--terracotta-dark); font-size: .75rem; font-weight: 800; }
.workflow-grid h3 { margin-bottom: 8px; }
.workflow-grid p { margin: 0; color: var(--ink-muted); }

.contact { position: relative; border-top: 1px solid var(--line); background: var(--sage-soft); color: var(--graphite); padding: 104px 0; }
.contact__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(580px, 1.2fr); gap: 90px; align-items: start; }
.contact__intro h2 { max-width: 600px; }
.contact .eyebrow--light { color: var(--terracotta-dark); }
.contact__intro > p:not(.eyebrow) { max-width: 570px; color: #4e5d59; }
.contact__details { display: grid; gap: 7px; margin-top: 38px; color: var(--sage-dark); font-size: .88rem; font-weight: 750; }
.request-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: var(--cream); box-shadow: 0 22px 70px rgba(23,26,30,.09); }
.request-form label { display: grid; gap: 8px; color: var(--sage-dark); font-size: .75rem; font-weight: 750; }
.request-form__wide { grid-column: 1 / -1; }
.request-form input, .request-form select, .request-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 11px; background: var(--white); color: var(--graphite); padding: 13px 14px; }
.request-form input, .request-form select { height: 52px; }
.request-form textarea { min-height: 140px; resize: vertical; }
.request-form select option { color: var(--graphite); }
.request-form__trap { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); clip-path: inset(50%); white-space: nowrap; }
.request-form__verification { min-height: 65px; }
.request-form__status { display: none; margin: 0; font-size: .84rem; font-weight: 700; line-height: 1.45; }
.request-form__status.is-visible { display: block; }
.request-form__status.is-success { color: var(--sage-dark); }
.request-form__status.is-error { color: #a3482e; }
.request-form[aria-busy="true"] button[type="submit"] { pointer-events: none; opacity: .72; }

.site-footer { padding: 70px 0 24px; background: var(--graphite); color: var(--cream); }
.site-footer__grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr; gap: 70px; }
.site-footer__brand img { width: 190px; }
.site-footer__brand p { max-width: 430px; margin-top: 24px; color: #aaa8a2; }
.site-footer h3 { margin-bottom: 18px; color: #aaa8a2; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }
.site-footer__grid > div:not(:first-child) a, .site-footer__grid > div:not(:first-child) span { display: block; margin: 9px 0; font-size: .84rem; }
.site-footer a:hover { color: #e3a58f; }
.site-footer__bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 60px; padding-top: 22px; border-top: 1px solid var(--line-light); color: #888781; font-size: .68rem; letter-spacing: .04em; }

.has-motion [data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity 460ms ease, transform 460ms cubic-bezier(.2,.7,.2,1); }
.has-motion [data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 1120px) {
  .site-header__inner { position: relative; z-index: 112; height: 76px; }
  .primary-nav {
    /* backdrop-filter on the sticky header makes fixed descendants use the
       header as their containing block. Keep the menu anchored below it. */
    position: absolute;
    z-index: 110;
    display: none;
    top: 100%;
    left: 50%;
    width: 100vw;
    height: calc(100dvh - 76px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 40px 32px;
    overflow-y: auto;
    border-top: 1px solid var(--line);
    background: rgba(246, 243, 237, 0.995);
    box-shadow: 0 26px 60px rgba(23, 26, 30, 0.16);
    transform: translateX(-50%);
  }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { padding: 17px 0; border-bottom: 1px solid var(--line); font-size: 1.2rem; }
  .primary-nav a::after { display: none; }
  .primary-nav .primary-nav__mobile-action { display: flex; justify-content: space-between; margin-top: 18px; border: 0; border-radius: 11px; background: var(--graphite); color: var(--cream); padding: 16px; }
  .menu-toggle { display: grid; }
  .header-actions .button { display: none; }
  .group-hero, .group-hero__grid { min-height: auto; }
  .group-hero__grid { grid-template-columns: 1fr; gap: 48px; padding-top: 74px; padding-bottom: 74px; }
  .group-hero__visual { width: min(100%, 680px); justify-self: start; }
  .direction-hero__grid { min-height: 0; grid-template-columns: 1fr; gap: 48px; }
  .direction-hero__media { width: min(100%, 680px); height: 460px; justify-self: start; }
  .capability-grid, .material-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability-card:nth-child(2), .material-grid article:nth-child(2) { border-right: 0; }
  .capability-card { border-bottom: 1px solid rgba(23,26,30,.28); }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .application-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .application-grid article:nth-child(4n) { border-right: 1px solid var(--line); }
  .application-grid article:nth-child(3n) { border-right: 0; }
  .contact__grid { grid-template-columns: .8fr 1.2fr; gap: 50px; }
}

@media (max-width: 820px) {
  .shell { width: min(var(--shell), calc(100% - 36px)); }
  .section { padding: 82px 0; }
  .direction-hero__grid, .section-heading--split, .footprint__grid, .process-section__grid, .contact__grid { grid-template-columns: 1fr; }
  .group-hero__grid { gap: 48px; }
  .group-hero__copy { max-width: 720px; }
  .group-hero__visual { width: min(100%, 620px); }
  .direction-hero__grid { padding-top: 62px; }
  .direction-hero__media { height: 430px; }
  .section-heading--split { gap: 20px; }
  .direction-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-grid article:nth-child(2) { border-right: 0; }
  .metric-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line-light); }
  .markets-panel { min-height: 350px; }
  .process-section__grid { gap: 50px; }
  .process-intro { position: static; }
  .application-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .application-grid article:nth-child(3n) { border-right: 1px solid var(--line); }
  .application-grid article:nth-child(2n) { border-right: 0; }
  .contact__grid { gap: 48px; }
  .international { min-height: 820px; }
  .international::after { background: linear-gradient(0deg, rgba(246,243,237,.98) 0%, rgba(246,243,237,.84) 44%, rgba(246,243,237,.08) 76%); }
  .international__inner { min-height: 820px; align-items: flex-end; padding-bottom: 70px; }
  .international__copy { width: min(620px, 100%); }
  .international__copy > p:not(.eyebrow) { max-width: 600px; }
  .site-footer__grid { grid-template-columns: 1.5fr 1fr; }
  .site-footer__grid > div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 660px) {
  .direction-grid { grid-template-columns: 1fr; }
  .direction-card { --direction-card-media-height: clamp(240px, 65vw, 360px); }
}

@media (max-width: 560px) {
  html { scroll-padding-top: 70px; }
  h1 { font-size: clamp(3.15rem, 16vw, 5rem); }
  h2 { font-size: clamp(2.35rem, 12vw, 3.8rem); }
  .site-header__inner { height: 70px; gap: 12px; }
  .brand { width: 136px; }
  .menu-toggle { width: 46px; height: 46px; }
  .primary-nav { height: calc(100dvh - 70px); }
  .language-switcher { padding-left: 8px; }
  .language-switcher a { padding: 5px; }
  .group-hero { min-height: auto; }
  .group-hero__grid { width: calc(100% - 48px); min-height: auto; grid-template-columns: minmax(0, 1fr); gap: 36px; padding-top: 60px; padding-bottom: 60px; }
  .group-hero__copy { min-width: 0; }
  html[lang="ru"] .group-hero__copy h1 { font-size: clamp(2.45rem, 10.8vw, 2.75rem); overflow-wrap: anywhere; }
  .group-hero__visual { width: 100%; }
  .hero-product { border-radius: 12px; box-shadow: 0 14px 34px rgba(23,26,30,.1); }
  .hero-product__label { min-height: 48px; padding: 14px 92px 13px 15px; font-size: .66rem; }
  .hero-carousel__controls { right: 15px; min-height: 48px; }
  .button { width: 100%; }
  .direction-card__body { min-height: 0; padding: 26px; }
  .direction-card__body > p:not(.micro-label) { min-height: 0; }
  .capability-grid, .material-grid, .catalog-grid, .metric-grid, .application-grid { grid-template-columns: 1fr; }
  .capability-card, .material-grid article, .application-grid article, .metric-grid article { min-height: auto; border-right: 0 !important; }
  .capability-card > span, .material-grid span, .application-grid article > span { margin-bottom: 34px; }
  .markets-panel { min-height: 280px; padding: 28px; }
  .direction-hero__grid { min-height: 0; padding-top: 52px; padding-bottom: 52px; }
  .direction-hero__media { height: 320px; }
  .direction-hero__media::before { width: 80px; height: 80px; }
  .metric-grid article:nth-child(-n+3) { border-bottom: 1px solid var(--line-light); }
  .catalog-heading { align-items: stretch; flex-direction: column; }
  .catalog-search { width: 100%; }
  .catalog-filters { flex-wrap: nowrap; margin-right: -18px; padding-right: 18px; overflow-x: auto; }
  .catalog-filters button { flex: 0 0 auto; }
  .catalog-card { padding: 22px; }
  .technical-specs div { grid-template-columns: 1fr; gap: 3px; }
  .technical-specs dd { text-align: left; }
  .request-form { grid-template-columns: 1fr; }
  .request-form { padding: 22px; }
  .request-form__wide { grid-column: auto; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 34px; }
  .site-footer__grid > div:last-child { grid-column: auto; }
  .site-footer__bottom { align-items: flex-start; flex-direction: column; }
  .international { min-height: 760px; }
  .international__inner { min-height: 760px; padding-bottom: 48px; }
  .international__copy h2 { font-size: clamp(2.7rem, 13vw, 4.2rem); }
  .international__copy > p:not(.eyebrow) { font-size: .96rem; }
  .direction-hero__brandmark { width: min(250px, 70%); }
}

@media (max-width: 420px) {
  .group-hero__copy h1 { font-size: clamp(2.65rem, 12.5vw, 3.1rem); }
  .direction-hero__copy h1 { font-size: clamp(2.6rem, 11.5vw, 2.9rem); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .has-motion [data-reveal] { opacity: 1; transform: none; }
}