:root {
  --ink: #10213a;
  --blue: #075fb9;
  --blue-bright: #1687e8;
  --blue-deep: #05386f;
  --red: #e2242d;
  --ice: #eef5fb;
  --line: #d6e2ee;
  --muted: #5a6b7f;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--ink); font-family: Arial, Helvetica, sans-serif; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }

.site-header {
  align-items: center; background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(16,33,58,.09);
  display: grid; grid-template-columns: 230px 1fr 52px; min-height: 118px; padding: 0 clamp(22px, 5vw, 76px) 0 0;
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px);
}
.brand { align-items: center; align-self: stretch; background: white; display: inline-flex; justify-content: center; justify-self: stretch; padding: 5px 20px; }
.brand img { height: 106px; object-fit: contain; width: 156px; }
.site-header nav { display: flex; gap: clamp(18px, 2.3vw, 38px); justify-content: flex-end; }
.site-header nav a { color: #35475c; font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.site-header nav a:hover { color: var(--blue); }
.language { align-items: center; border: 1px solid var(--line); border-radius: 50%; display: flex; font-size: 12px; font-weight: 800; height: 38px; justify-content: center; margin-left: 14px; width: 38px; }
.mobile-menu { display: none; }

.hero { background: linear-gradient(115deg, #06386f 0%, #075fb9 58%, #0e78d8 100%); display: grid; grid-template-columns: minmax(0,1.05fr) minmax(360px,.95fr); min-height: 650px; overflow: hidden; padding: 92px clamp(22px,7vw,110px); position: relative; }
.hero-grid { background-image: linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px); background-size: 52px 52px; inset: 0; mask-image: linear-gradient(90deg,#000,transparent); position:absolute; }
.hero-copy { align-self: center; color: white; max-width: 710px; position: relative; z-index: 2; }
.eyebrow { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .18em; margin: 0 0 18px; text-transform: uppercase; }
.eyebrow.light { color: #a9d8ff; }
.hero h1 { font-size: clamp(44px,5.8vw,84px); letter-spacing: -.055em; line-height: .98; margin: 0; max-width: 800px; }
.hero-text { color: #dceeff; font-size: 19px; line-height: 1.7; margin: 28px 0 34px; max-width: 660px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.button { border-radius: 4px; display: inline-block; font-size: 13px; font-weight: 800; letter-spacing: .04em; padding: 16px 23px; }
.button.primary { background: white; color: var(--blue-deep); }
.button.secondary { border: 1px solid rgba(255,255,255,.45); color: white; }
.hero-image-wrap { align-self: center; margin-left: 5vw; position: relative; z-index: 2; }
.hero-image-card { background: white; border: 10px solid rgba(255,255,255,.14); border-radius: 5px; box-shadow: 0 28px 60px rgba(0,21,46,.34); overflow: hidden; transform: rotate(1.4deg); }
.hero-image-card img { aspect-ratio: 1.12; object-fit: contain; width: 100%; }
.hero-stamp { background: var(--red); bottom: -24px; color: white; font-size: 13px; font-weight: 800; letter-spacing: .12em; padding: 14px 18px; position: absolute; right: -18px; }

.trust-strip { background: white; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: repeat(4,1fr); padding: 0 clamp(22px,6vw,100px); }
.trust-strip div { align-items: center; border-right: 1px solid var(--line); display: flex; font-size: 13px; font-weight: 700; gap: 14px; padding: 23px 28px; }
.trust-strip div:first-child { border-left: 1px solid var(--line); }
.trust-strip span { color: var(--blue-bright); font-size: 11px; }

.section { padding: 108px clamp(22px,7vw,110px); }
.section-heading { align-items: end; display: grid; gap: 50px; grid-template-columns: 1fr 1fr; margin-bottom: 50px; }
.section-heading.compact { margin-bottom: 36px; }
.section h2, .contact-section h2 { font-size: clamp(38px,4.5vw,64px); letter-spacing: -.045em; line-height: 1.02; margin: 0; }
.section-heading > p { color: var(--muted); font-size: 17px; line-height: 1.7; margin: 0; max-width: 630px; }
.product-grid { display: grid; gap: 22px; grid-template-columns: repeat(3,minmax(0,1fr)); }
.product-card { background: #fff; border: 1px solid var(--line); display: flex; flex-direction: column; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.product-card:hover { box-shadow: 0 22px 45px rgba(16,54,91,.11); transform: translateY(-4px); }
.product-image { background: var(--ice); overflow: hidden; }
.product-image img { aspect-ratio: 1.65; object-fit: cover; transition: transform .4s ease; width: 100%; }
.product-card:hover .product-image img { transform: scale(1.025); }
.product-body { display: flex; flex: 1; flex-direction: column; padding: 26px; }
.product-eyebrow { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .11em; margin: 0 0 9px; text-transform: uppercase; }
.product-body h3 { font-size: 23px; letter-spacing: -.025em; margin: 0 0 15px; }
.product-body > p { color: var(--muted); font-size: 14px; line-height: 1.65; }
.product-body details { border-top: 1px solid var(--line); margin-top: auto; padding-top: 18px; }
.product-body summary { align-items: center; background: var(--blue); color: white; cursor: pointer; display: flex; font-size: 12px; font-weight: 800; justify-content: space-between; letter-spacing: .04em; list-style: none; margin: 0; padding: 15px 17px; }
.product-body summary::-webkit-details-marker { display: none; }
.product-body summary::after { content: "+"; font-size: 20px; font-weight: 400; line-height: 1; }
.product-body details[open] summary::after { content: "−"; }
.product-body details[open] summary { margin-bottom: 18px; }
.product-body details p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0 0 14px; }
.product-body details p:last-child { margin-bottom: 0; }
.additional-heading { align-items: end; border-top: 1px solid var(--line); display: flex; gap: 30px; justify-content: space-between; margin-top: 70px; padding-top: 42px; }
.additional-heading h3 { font-size: 28px; margin: 0 0 10px; }
.additional-heading p { color: var(--muted); line-height: 1.65; margin: 0; max-width: 760px; }
.status-pill { border: 1px solid var(--blue); border-radius: 99px; color: var(--blue); font-size: 9px; font-weight: 800; letter-spacing: .12em; padding: 8px 11px; white-space: nowrap; }
.equipment-gallery { display: grid; gap: 14px; grid-template-columns: repeat(5,1fr); margin-top: 28px; }
.equipment-gallery figure { background: var(--ice); margin: 0; overflow: hidden; }
.equipment-gallery img { aspect-ratio: 1.25; object-fit: cover; width: 100%; }
.equipment-gallery figcaption { background: var(--ink); color: white; font-size: 12px; font-weight: 800; padding: 13px 15px; }

.services-section { background: var(--ink); color: white; display: grid; gap: 8vw; grid-template-columns: .78fr 1.22fr; }
.services-intro { position: sticky; align-self: start; top: 120px; }
.services-intro > p:last-child { color: #aabbd0; line-height: 1.7; max-width: 410px; }
.services-list article { align-items: start; border-top: 1px solid rgba(255,255,255,.16); display: grid; gap: 25px; grid-template-columns: 38px 1fr; padding: 28px 0; }
.services-list article:last-child { border-bottom: 1px solid rgba(255,255,255,.16); }
.services-list span { color: #66b9ff; font-size: 11px; padding-top: 4px; }
.services-list h3 { font-size: 23px; margin: 0 0 10px; }
.services-list p { color: #aabbd0; font-size: 14px; line-height: 1.7; margin: 0; }

.chemicals-section { background: var(--ice); }
.document-grid { display: grid; gap: 12px; grid-template-columns: repeat(3,1fr); }
.document-grid a { align-items: center; background: white; border: 1px solid var(--line); display: grid; gap: 15px; grid-template-columns: 46px 1fr; min-height: 116px; padding: 20px; }
.document-grid a:hover { border-color: var(--blue); }
.document-grid small { color: var(--blue); grid-column: 2; font-weight: 700; }
.pdf-mark { align-items: center; background: var(--red); color: white; display: flex; font-size: 10px; font-weight: 900; height: 46px; justify-content: center; width: 40px; }

.about-section { background: linear-gradient(130deg,#064a90,#0874cf); color: white; }
.about-title { display: grid; gap: 40px; grid-template-columns: .55fr 1.45fr; }
.about-grid { display: grid; gap: 1px; grid-template-columns: repeat(3,1fr); margin-top: 65px; }
.about-grid article { background: rgba(255,255,255,.08); min-height: 280px; padding: 32px; }
.about-grid span { color: #a9d8ff; font-size: 11px; }
.about-grid h3 { font-size: 22px; margin: 40px 0 15px; }
.about-grid p { color: #d8ebff; font-size: 14px; line-height: 1.75; margin: 0; }

.contact-section { background: #071c33; color: white; display: grid; gap: 9vw; grid-template-columns: 1fr 1fr; padding: 108px clamp(22px,7vw,110px); }
.contact-copy > p:last-child { color: #aabbd0; font-size: 17px; line-height: 1.7; max-width: 560px; }
.contact-card { border-top: 1px solid rgba(255,255,255,.18); }
.contact-card > div { border-bottom: 1px solid rgba(255,255,255,.18); display: grid; gap: 22px; grid-template-columns: 130px 1fr; padding: 24px 0; }
.contact-card span { color: #7fbef5; font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.contact-card p { font-size: 14px; line-height: 1.7; margin: 0; }
.contact-card a:hover { color: #7fc5ff; }

footer { align-items: center; background: #041426; border-top: 1px solid rgba(255,255,255,.08); color: #8799ad; display: grid; grid-template-columns: 230px 1fr 30px; padding: 30px clamp(22px,7vw,110px); }
footer img { height: 118px; object-fit: contain; object-position: left center; width: 174px; }
footer p { font-size: 12px; text-align: center; }
footer a { color: white; font-size: 20px; text-align: right; }

@media (max-width: 1050px) {
  .site-header { grid-template-columns: 190px 1fr 48px; }
  .brand img { height: 96px; width: 141px; }
  .site-header nav { gap: 15px; }
  .site-header nav a { font-size: 11px; }
  .hero { grid-template-columns: 1fr 1fr; padding-inline: 5vw; }
  .product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .equipment-gallery { grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 760px) {
  .site-header { grid-template-columns: 165px 1fr 46px; min-height: 92px; padding: 0 18px 0 0; }
  .brand img { height: 82px; width: 121px; }
  .site-header nav { display: none; }
  .mobile-menu { border: 0; display: block; justify-self: end; margin: 0; padding: 0; position: relative; }
  .mobile-menu summary { align-items: center; border: 1px solid var(--line); border-radius: 50%; display: flex; flex-direction: column; gap: 4px; height: 38px; justify-content: center; list-style: none; padding: 0; width: 38px; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu summary span { background: var(--ink); display: block; height: 2px; transition: transform .2s ease, opacity .2s ease; width: 16px; }
  .mobile-menu[open] summary span:first-child { transform: translateY(6px) rotate(45deg); }
  .mobile-menu[open] summary span:nth-child(2) { opacity: 0; }
  .mobile-menu[open] summary span:last-child { transform: translateY(-6px) rotate(-45deg); }
  .site-header .mobile-menu nav { background: white; border: 1px solid var(--line); box-shadow: 0 20px 45px rgba(16,33,58,.16); display: flex; flex-direction: column; gap: 0; min-width: 250px; padding: 8px; position: absolute; right: -50px; top: 49px; }
  .site-header .mobile-menu nav a { border-bottom: 1px solid var(--line); color: var(--ink); font-size: 13px; padding: 15px 16px; }
  .site-header .mobile-menu nav a:last-child { border-bottom: 0; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 76px 22px 68px; }
  .hero h1 { font-size: 48px; }
  .hero-image-wrap { margin: 62px 10px 0; }
  .trust-strip { grid-template-columns: 1fr 1fr; padding: 0; }
  .trust-strip div, .trust-strip div:first-child { border: 1px solid var(--line); padding: 18px; }
  .section { padding: 78px 22px; }
  .section-heading, .services-section, .about-title, .contact-section { grid-template-columns: 1fr; }
  .section-heading { gap: 22px; }
  .product-grid { display: block; }
  .product-card { margin-bottom: 18px; }
  .additional-heading { align-items: start; flex-direction: column; }
  .equipment-gallery { grid-template-columns: 1fr 1fr; }
  .services-intro { position: static; }
  .document-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-grid article { min-height: auto; }
  .contact-section { padding: 78px 22px; }
  .contact-card > div { grid-template-columns: 1fr; gap: 9px; }
  footer { grid-template-columns: 150px 1fr 24px; padding-inline: 22px; }
  footer img { height: 94px; width: 138px; }
  footer p { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}