/* Corporate chemical-industry palette: white, cool gray, and the original VI blue. */
:root {
  --navy: #202a38;
  --blue: #19306d;
  --cyan: #34bce7;
  --muted: #586575;
  --blue-surface: #ffffff;
  --blue-deep: #122553;
  --blue-tint: #f4f6f8;
  --line: #dce2e8;
}
body { background: #fff; }
header { border-color: #e5e9ee; }
.brand-logo { filter: none; opacity: 1; }
nav a:hover, .section-label { color: var(--blue); }
.contact-link { background: var(--blue); }
.contact-link:hover { background: var(--blue-deep); color: #fff; }
.lang-switch { border-color: var(--line); }
.hero { background: var(--blue-surface); color: var(--navy); border-bottom: 1px solid var(--line); }
.hero:before { background: none; }




.eyebrow { color: var(--blue); }
h1 span { color: var(--blue); }
.intro { color: #586575; }
.quiet { color: var(--blue); }
.primary, .catalog-cta a { background: var(--blue); }
.primary:hover, .catalog-cta a:hover { background: var(--blue-deep); }
.hero .primary { background: var(--blue); color: #fff; }
.hero .primary:hover { background: var(--blue-deep); }
.hero-bottom { border-color: var(--line); color: #637080; }
.hero-bottom b { color: #344358; }
.product { background: var(--blue-tint); }
.product:hover { background: #eaf0f6; transform: none; }
.product .num, .product p { color: #586575; }
.product button { color: var(--blue); border-color: #bdc8d6; }
.chem { color: #19306d0d; }
.tag { color: #526882; }
.chain-wrap, .catalog-head { background: #edf1f5; color: var(--navy); }
.chain .section-label, .catalog-head .section-label { color: var(--blue); }
.chain .section-top p, .step p, .catalog-head p { color: #586575; }
.steps { border-color: #bdc8d6; }
.step:before { background: var(--blue); }
.step small { color: #526882; }
.applications { background: var(--line); border-color: var(--line); }
.app svg { stroke: var(--blue); }
.app p, .app small { color: #586575; }
.about { background: var(--blue-surface); }
.about p { color: #586575; }
.about .statement { color: var(--blue); border-color: var(--blue); }
.cta { background: var(--blue); color: #fff; }
.cta p { color: #dbe3f0; }
.cta button { background: #fff; color: var(--blue); }
.cta button:hover { background: #edf1f5; }
footer { background: #101d3e; color: #bdc8dc; }
.copyright { border-color: #344361; }
.filters button { border-color: #bdc8d6; color: #45566d; }
.filters button[aria-pressed=true] { background: var(--blue); border-color: var(--blue); color: #fff; }
.search, .catalog-item { border-color: var(--line); }
.catalog-item a { color: var(--blue); }
.catalog-item p, .catalog-item .status, .catalog-count { color: #586575; }
.catalog-intro { background: var(--blue-tint); }
.catalog-cta { background: #edf1f5; color: var(--navy); }
.catalog-cta p { color: #586575; }
dialog { color: var(--navy); }
dialog p { color: #586575; }
dialog .note { background: var(--blue-tint); }
.pill { border-color: #bdc8d6; color: #45566d; }
a:focus-visible, button:focus-visible { outline-color: var(--blue); }


/* Static chemistry research visual on the white home page. */
.hero, html[lang=en] .hero { min-height: 670px; }
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  align-items: center;
  gap: 6%;
  padding-top: 58px;
  padding-bottom: 115px;
}
.hero-copy { min-width: 0; }
.material-visual { position: relative; width: 100%; max-width: 520px; margin: 0 0 0 auto; }
.material-visual img { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; }
.material-visual::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 22px 16px #fff; pointer-events: none; }



.hero .actions { flex-wrap: wrap; }
html[lang=en] .hero h1 { font-size: clamp(36px, 4.1vw, 60px); }
html[lang=en] .hero .intro br { display: none; }
@media (max-width: 1000px) and (min-width: 801px) {
  .hero-inner { gap: 4%; }
  .hero h1 { font-size: 42px; }
  .hero .intro { font-size: 14px; }

}
@media (max-width: 800px) {
  .hero, html[lang=en] .hero { min-height: 0; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 38px; padding: 48px 5.5% 96px; }
  .hero h1 { font-size: clamp(34px, 8.8vw, 48px); letter-spacing: 0; }
  .hero .intro, html[lang=en] .hero .intro { max-width: 100%; }
  .hero .intro br { display: none; }
  .hero .actions { gap: 20px; margin-top: 28px; }
  .material-visual { max-width: 520px; margin: 0 auto; }

  html[lang=en] .hero h1 { font-size: clamp(34px, 8.8vw, 48px); }
}

/* Full-page factory panorama, softly fading toward the copy on the left. */
.factory-home { isolation: isolate; background: #fff; }
.site-backdrop { position: fixed; inset: 88px 0 0; z-index: -1; overflow: hidden; pointer-events: none; background: #f5f7f8; }
.site-backdrop img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: right center; }
.site-backdrop::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #fff 0%, rgba(255,255,255,.98) 22%, rgba(255,255,255,.9) 36%, rgba(255,255,255,.56) 49%, rgba(255,255,255,.12) 65%, rgba(255,255,255,.02) 100%); }
.factory-home header { background: rgba(255,255,255,.97); }
.factory-home .hero, html[lang=en] .factory-home .hero { min-height: max(690px, calc(100svh - 88px)); background: transparent; }
.factory-home .hero::before { content: none; }
.factory-home .hero-inner { display: flex; align-items: center; min-height: inherit; padding-top: 90px; padding-bottom: 135px; }
.factory-home .hero-copy { width: 50%; max-width: 620px; }
.factory-home .intro { max-width: 470px; color: #455364; }
.factory-home .hero-bottom { left: 0; right: 0; padding: 22px 5.5%; background: rgba(255,255,255,.84); border-color: rgba(193,205,216,.7); }
.factory-home main > .section { background: rgba(255,255,255,.9); }
.factory-home .chain-wrap { background: rgba(237,241,245,.92); }
.factory-home .about { background: rgba(255,255,255,.91); }
.factory-home .cta { background: rgba(25,48,109,.95); }
.factory-home footer { background: rgba(16,29,62,.97); }
@media (min-width: 801px) and (max-width: 1000px) {
  .factory-home .hero-copy { width: 54%; }
  .site-backdrop::after { background: linear-gradient(90deg, #fff 0%, rgba(255,255,255,.97) 30%, rgba(255,255,255,.85) 43%, rgba(255,255,255,.3) 62%, rgba(255,255,255,.06) 100%); }
}
@media (max-width: 800px) {
  .site-backdrop { top: 75px; background: #fff; }
  .site-backdrop img { position: absolute; bottom: 40px; height: auto; object-fit: contain; object-position: center; mask-image: linear-gradient(180deg, transparent, #000 24%); }
  .site-backdrop::after { background: linear-gradient(90deg, rgba(255,255,255,.83) 0%, rgba(255,255,255,.52) 35%, rgba(255,255,255,.08) 100%), linear-gradient(180deg, #fff 0%, rgba(255,255,255,.92) 43%, rgba(255,255,255,.1) 78%, rgba(255,255,255,.04) 100%); }
  .factory-home .hero, html[lang=en] .factory-home .hero { min-height: calc(100svh - 75px); }
  .factory-home .hero-inner { align-items: flex-start; padding: 52px 5.5% 300px; }
  .factory-home .hero-copy { width: 100%; max-width: none; }
  .factory-home .hero-bottom { padding-top: 18px; padding-bottom: 18px; }
  .factory-home main > .section { background: rgba(255,255,255,.93); }
}

/* Investment identity and direct business / careers contact channels. */
header nav { gap: clamp(16px, 2vw, 28px); }
header nav > a { white-space: nowrap; }
.investment-section { background: rgba(246,248,250,.97); border-top: 1px solid var(--line); }
.investment-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 10%; }
.investment-copy p { color: var(--muted); font-size: 15px; line-height: 2; margin: 0; }
.investment-copy .investor-role { color: var(--blue); font-size: 12px; letter-spacing: 2px; }
.investor-name { color: var(--blue); font-size: 36px; font-weight: 500; line-height: 1.3; margin: 13px 0 22px; }
.investment-facts { margin: 30px 0 0; border-top: 1px solid #ccd5df; display: grid; grid-template-columns: 1fr 1.6fr; gap: 28px; padding-top: 24px; }
.investment-facts dt { color: var(--muted); font-size: 12px; margin-bottom: 10px; }
.investment-facts dd { margin: 0; font-size: 15px; line-height: 1.7; }
.contact-section { background: rgba(25,48,109,.97); color: #fff; }
.contact-section .section-label { color: #b9c9eb; }
.contact-section .section-top p { color: #dbe3f0; }
.contact-phones { padding: 25px 0; border-top: 1px solid #ffffff36; border-bottom: 1px solid #ffffff36; display: flex; gap: 32px; align-items: baseline; }
.contact-phones > span { font-size: 13px; color: #c5d1e9; flex-shrink: 0; }
.contact-phones > div { display: flex; gap: 20px 36px; flex-wrap: wrap; }
.contact-phones a { font-size: 18px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.contact-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); margin-top: 38px; }
.contact-channel { padding: 6px 48px 4px 0; }
.contact-channel + .contact-channel { border-left: 1px solid #ffffff36; padding-left: 48px; padding-right: 0; }
.contact-category { font-size: 11px; letter-spacing: 2px; color: #b9c9eb; }
.contact-channel h3 { margin: 18px 0 12px; font-size: 28px; font-weight: 500; }
.contact-channel p { color: #dbe3f0; font-size: 14px; line-height: 1.9; margin: 0 0 24px; min-height: 54px; max-width: 450px; }
.contact-email { display: block; width: fit-content; font-size: 18px; overflow-wrap: anywhere; }
.contact-action { display: inline-flex; align-items: center; justify-content: space-between; gap: 44px; margin-top: 26px; padding: 14px 20px; background: #fff; color: var(--blue); font-size: 14px; }
.contact-action:hover { background: #eaf0f8; }
.contact-channel small { display: block; color: #c5d1e9; font-size: 12px; line-height: 1.8; margin-top: 18px; }
.contact-phones a:hover, .contact-email:hover { text-decoration: underline; text-underline-offset: 5px; }
.foot-nav { flex-wrap: wrap; justify-content: flex-end; align-content: flex-start; }
@media (max-width: 1050px) {
  header nav { display: none; position: absolute; top: 88px; left: 0; right: 0; background: #fff; padding: 24px 5.5%; flex-direction: column; align-items: stretch; gap: 8px; max-height: calc(100svh - 88px); overflow-y: auto; border-bottom: 1px solid var(--line); }
  header nav.open { display: flex; }
  header nav > a { padding: 12px 16px; }
  header nav > .lang-switch { align-self: flex-start; margin-top: 6px; }
  header .menu { display: block; }
  .contact-phones > div { gap: 14px 26px; }
  .contact-phones a { font-size: 16px; }
}
@media (max-width: 800px) {
  header nav { top: 75px; max-height: calc(100svh - 75px); }
  .investment-layout { grid-template-columns: 1fr; gap: 32px; }
  .investor-name { font-size: 30px; }
  .investment-facts { grid-template-columns: 1fr; gap: 20px; }
  .contact-phones { display: block; }
  .contact-phones > div { display: grid; grid-template-columns: 1fr; margin-top: 16px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; margin-top: 32px; }
  .contact-channel, .contact-channel + .contact-channel { padding: 0; border-left: 0; }
  .contact-channel + .contact-channel { border-top: 1px solid #ffffff36; padding-top: 32px; }
  .contact-channel h3 { font-size: 25px; }
  .contact-channel p { min-height: 0; }
  .foot-nav { justify-content: flex-start; }
}

/* One content width and gutter system for every page and full-width section. */
:root {
  --content-max: 1280px;
  --page-gutter: clamp(20px, 4vw, 56px);
  --page-inset: max(var(--page-gutter), calc((100% - var(--content-max)) / 2));
  --header-height: 88px;
}
html { scroll-padding-top: calc(var(--header-height) + 16px); }
header, footer, .catalog-head, .catalog-layout, .section,
.hero-inner, .factory-home .hero-inner, .factory-home .hero-bottom {
  padding-inline: var(--page-inset);
}
.section, .hero-inner, .catalog-layout { width: 100%; max-width: none; margin-inline: 0; }
header { height: var(--header-height); gap: 24px; }
header nav, html[lang=en] header nav { font-size: 14px; gap: clamp(16px, 2vw, 28px); }
.site-backdrop { top: var(--header-height); }
.section-top > *, .foot-top > *, .product, .step, .app,
.investment-copy, .investment-facts > div, .contact-channel { min-width: 0; }
.products { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.applications, .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.about .section, .investment-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); }
.catalog-item summary, .catalog-item p, .catalog-item li,
.product h3, .product p, .step h3, .app h3, .app small { overflow-wrap: anywhere; }
.foot-top > div:first-child { min-width: 0; }
.foot-nav { min-width: 0; }
.menu { width: 44px; height: 44px; padding: 0; flex-shrink: 0; }
.search { min-width: 0; max-width: 550px; }
.contact-phones > div { min-width: 0; }
@media (max-width: 1050px) {
  header nav { top: var(--header-height); padding-inline: var(--page-gutter); max-height: calc(100svh - var(--header-height)); }
  header nav, html[lang=en] header nav { gap: 8px; }
  header nav > a { min-height: 44px; display: flex; align-items: center; }
  .products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product, .product:nth-child(-n+2) { grid-column: auto; }
  .applications, .steps, html[lang=en] .applications, html[lang=en] .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-top { flex-wrap: wrap; align-items: flex-start; }
}
@media (max-width: 800px) {
  :root { --header-height: 75px; }
  .section { padding-block: 60px; }
  .about .section, .investment-layout { grid-template-columns: minmax(0, 1fr); }
  .factory-home .hero-inner { padding-top: 48px; padding-bottom: clamp(220px, 60vw, 300px); }
  .factory-home .hero-bottom { flex-wrap: wrap; gap: 8px 16px; }
  .factory-home .hero-bottom > span { min-width: 0; }
  .catalog-head { padding-block: 48px; }
  .catalog-layout { padding-top: 32px; padding-bottom: 60px; }
  .catalog-head h1 { font-size: clamp(28px, 7.5vw, 36px); }
  .filters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filters button { min-width: 0; min-height: 44px; padding: 12px 10px; line-height: 1.5; }
  .catalog-intro, .catalog-cta { padding: 20px; }
  .foot-top { display: block; }
  .foot-top strong { font-size: 16px; line-height: 1.8; letter-spacing: 0; }
  .copyright { flex-direction: column; align-items: flex-start; gap: 8px; }
  dialog { width: calc(100% - 40px); max-height: calc(100svh - 40px); padding: 32px 24px; overflow-y: auto; }
}
@media (max-width: 600px) {
  .products, .applications, .steps, html[lang=en] .applications, html[lang=en] .steps { grid-template-columns: minmax(0, 1fr); }
  .product { padding: 24px; min-height: 250px; }
  .product button { width: 44px; height: 44px; top: 20px; right: 20px; }
  .catalog-item summary { min-height: 44px; }
  .app { padding: 28px 24px; }
  .hero h1, html[lang=en] .hero h1 { font-size: clamp(30px, 8.5vw, 42px); }
  .hero .actions, html[lang=en] .hero .actions { gap: 20px; }
  .hero .actions a { max-width: 100%; }
  .hero .primary { gap: 24px; }
  .contact-phones > div { display: flex; flex-wrap: wrap; gap: 12px 22px; }
  .contact-phones a:first-child { flex-basis: 100%; }
}
