:root {
  --ink: #10191f;
  --graphite: #16252d;
  --graphite-2: #21343d;
  --ice: #a9d7eb;
  --blue: #62a9cc;
  --blue-deep: #2d769b;
  --copper: #ef7d31;
  --sand: #e7e1d8;
  --paper: #f5f7f7;
  --white: #ffffff;
  --muted: #66747b;
  --line: rgba(16,25,31,.14);
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "Segoe UI", Arial, sans-serif; font-size: 16px; line-height: 1.55; }
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.03; letter-spacing: -.035em; }
h2 { max-width: 900px; margin-bottom: 24px; font-size: clamp(2.6rem, 5.4vw, 5.6rem); font-weight: 650; }
h3 { font-size: 1.45rem; }
.screen { position: relative; min-height: 92vh; padding: 126px max(28px, calc((100vw - var(--max)) / 2)); overflow: hidden; }
.section-dark { color: var(--white); background: var(--graphite); }
.section-light { background: var(--paper); }
.section-sand { background: var(--sand); }
.section-blue { color: var(--white); background: var(--blue-deep); }
.section-kicker { margin-bottom: 26px; color: var(--blue-deep); font-size: .78rem; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.section-dark .section-kicker, .section-blue .section-kicker, .contact .section-kicker { color: var(--ice); }
.section-heading { max-width: var(--max); margin: 0 auto 64px; }
.section-heading > p { max-width: 700px; color: var(--muted); font-size: 1.15rem; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, .5fr); align-items: end; gap: 64px; }
.split-heading p { color: inherit; opacity: .72; }

.site-header { position: fixed; z-index: 50; top: 0; left: 0; right: 0; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 40px; min-height: 78px; padding: 0 max(24px, calc((100vw - var(--max)) / 2)); color: var(--white); background: rgba(16,25,31,.86); border-bottom: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(18px); }
.brand { display: flex; align-items: center; gap: 10px; width: max-content; color: var(--white); font-size: 1.18rem; font-weight: 800; letter-spacing: .04em; text-decoration: none; }
.brand > span:last-child span { color: var(--ice); }
.brand-mark { width: 17px; height: 27px; border: 2px solid var(--ice); border-radius: 0 0 8px 8px; transform: rotate(12deg); }
.nav { display: flex; align-items: center; justify-content: flex-end; gap: 22px; font-size: .78rem; }
.nav a { text-decoration: none; opacity: .72; transition: opacity .2s; }
.nav a:hover, .nav a:focus-visible { opacity: 1; }
.nav a { white-space: nowrap; }
.nav .nav-contact { padding: 10px 16px; color: var(--ink); background: var(--ice); border-radius: 2px; font-weight: 750; opacity: 1; }
.lang-switch { display: flex; align-items: center; gap: 6px; margin-left: 2px; padding-left: 14px; border-left: 1px solid rgba(255,255,255,.2); font-size: .72rem; font-weight: 800; letter-spacing: .08em; }
.nav .lang-switch a { opacity: .45; }
.nav .lang-switch a.active { color: var(--ice); opacity: 1; }
.lang-switch span { color: rgba(255,255,255,.28); }
.lang-switch-mobile { display: none; }
.lang-switch-mobile a { color: var(--white); text-decoration: none; opacity: .45; }
.lang-switch-mobile a.active { color: var(--ice); opacity: 1; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 10px; color: var(--white); background: transparent; border: 1px solid rgba(255,255,255,.28); border-radius: 2px; cursor: pointer; }
.menu-toggle span { display: block; width: 100%; height: 2px; background: currentColor; transition: transform .2s, opacity .2s; }
.decorative-symbol { font-style: normal; }

.hero { display: flex; align-items: flex-end; min-height: 100svh; padding-bottom: 84px; color: var(--white); background: radial-gradient(circle at 78% 35%, #324b56 0, #1b2d35 28%, #10191f 66%); }
.hero-media, .hero-overlay { position: absolute; inset: 0; }
.hero-media { display: flex; align-items: flex-end; justify-content: flex-end; }
.hero-media img { width: 72%; height: 90%; object-fit: contain; object-position: right bottom; filter: drop-shadow(0 40px 70px rgba(0,0,0,.35)); }
.hero-overlay { background: linear-gradient(90deg, rgba(9,19,24,.99) 0%, rgba(9,19,24,.92) 40%, rgba(9,19,24,.34) 66%, rgba(9,19,24,.05) 100%), linear-gradient(0deg, rgba(9,19,24,.72), transparent 58%); }
.hero-content { position: relative; z-index: 2; width: min(930px, 78vw); }
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 26px; color: var(--ice); font-size: .8rem; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow span { width: 42px; height: 2px; background: var(--copper); }
.hero h1 { max-width: 900px; margin-bottom: 30px; font-size: clamp(3.5rem, 7.8vw, 7.6rem); font-weight: 620; }
.hero-lead { max-width: 800px; color: rgba(255,255,255,.82); font-size: clamp(1.05rem, 1.7vw, 1.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 36px 0 46px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 24px; border: 0; border-radius: 2px; font: inherit; font-size: .93rem; font-weight: 750; text-decoration: none; cursor: pointer; }
.button-primary { color: #11191d; background: var(--copper); }
.button-primary:hover { background: #ff9146; }
.button-ghost { color: var(--white); background: transparent; border: 1px solid rgba(255,255,255,.35); }
.button-ghost span { margin-left: 22px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-proof span { padding: 7px 10px; color: rgba(255,255,255,.78); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); font-size: .74rem; letter-spacing: .02em; }
.hero-side { position: absolute; z-index: 2; right: max(28px, calc((100vw - var(--max)) / 2)); bottom: 92px; text-align: right; }
.hero-side span { color: var(--copper); font-size: 3.4rem; font-weight: 250; }
.hero-side p { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }

.effect::before, .testing::before, .companies::before, .directions::before { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 54px 54px; }
.effect-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; max-width: var(--max); margin: 0 auto; }
.effect-copy p { max-width: 600px; color: rgba(255,255,255,.72); font-size: 1.12rem; }
.effect-copy .note { margin-top: 34px; padding-top: 20px; color: var(--ice); border-top: 1px solid rgba(255,255,255,.18); font-size: .87rem; }
.scale-model { align-self: center; padding: 34px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16); }
.scale-inputs { display: grid; gap: 10px; }
.scale-inputs div { display: grid; grid-template-columns: 42px 1fr; padding: 16px 18px; background: rgba(255,255,255,.07); }
.scale-inputs span { grid-row: 1 / 3; color: var(--ice); font-size: 1.8rem; }
.scale-inputs b { font-size: 1rem; }
.scale-inputs small { color: rgba(255,255,255,.6); }
.scale-multiplier { display: flex; align-items: center; justify-content: center; gap: 16px; min-height: 96px; color: rgba(255,255,255,.68); }
.scale-multiplier span { color: var(--copper); font-size: 2rem; }
.scale-result { padding: 28px; color: var(--ink); background: var(--ice); }
.scale-result small, .scale-result strong, .scale-result span { display: block; }
.scale-result small { margin-bottom: 6px; text-transform: uppercase; letter-spacing: .12em; }
.scale-result strong { font-size: clamp(1.65rem, 3vw, 2.7rem); line-height: 1.05; }
.scale-result span { margin-top: 16px; color: var(--blue-deep); font-weight: 800; }

.loss-grid { display: grid; grid-template-columns: repeat(4, 1fr); max-width: var(--max); margin: 0 auto; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.loss-card { display: flex; flex-direction: column; min-height: 360px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.loss-number { margin-bottom: 72px; color: var(--blue-deep); font-size: .82rem; font-weight: 800; }
.loss-card h3 { margin-bottom: 18px; }
.loss-card p { color: var(--muted); }
.loss-card b { margin-top: auto; color: var(--copper); font-size: .82rem; }

.process-grid { display: grid; grid-template-columns: 1.12fr .88fr; grid-template-rows: repeat(2, 330px); gap: 18px; max-width: var(--max); margin: 0 auto; }
.process-card { position: relative; min-height: 0; overflow: hidden; background: var(--ink); }
.process-card:first-child { grid-row: 1 / 3; }
.process-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.process-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(9,18,22,.94), rgba(9,18,22,.02) 72%); }
.process-card > div { position: absolute; z-index: 2; left: 30px; right: 30px; bottom: 24px; color: var(--white); }
.process-card span { color: var(--ice); font-size: .76rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.process-card h3 { margin: 8px 0; font-size: 1.8rem; }
.process-card p { max-width: 580px; margin-bottom: 0; color: rgba(255,255,255,.72); font-size: .9rem; }
.process-card:hover img { transform: scale(1.035); }

.testing { background: linear-gradient(135deg, #286f94, #1e5774); }
.testing-steps { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); max-width: var(--max); margin: 90px auto 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.28); }
.testing-steps li { position: relative; padding: 34px 28px 0 0; }
.testing-steps li::before { content: ""; position: absolute; top: -7px; left: 0; width: 13px; height: 13px; background: var(--copper); border-radius: 50%; box-shadow: 0 0 0 8px rgba(239,125,49,.15); }
.testing-steps span { color: var(--ice); font-size: .76rem; }
.testing-steps h3 { margin: 38px 0 14px; }
.testing-steps p { max-width: 240px; color: rgba(255,255,255,.72); font-size: .92rem; }
.testing-footer { position: relative; z-index: 1; display: flex; align-items: center; gap: 10px; max-width: var(--max); margin: 80px auto 0; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.18); }
.testing-footer span { padding: 8px 12px; border: 1px solid rgba(255,255,255,.3); font-size: .78rem; }
.testing-footer p { margin: 0 0 0 auto; color: rgba(255,255,255,.7); }

.companies { background: linear-gradient(145deg, #111d23, #21343d); }
.company-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: var(--max); margin: 0 auto; }
.company-card { display: flex; flex-direction: column; min-height: 610px; padding: 40px; color: var(--ink); background: var(--white); border-top: 5px solid var(--ice); }
.company-card.wts-card { border-top-color: #2d7655; }
.company-logo { display: flex; align-items: center; height: 76px; margin-bottom: 54px; }
.company-logo img { max-width: 210px; max-height: 70px; object-fit: contain; object-position: left center; }
.wts-logo-composite { display: flex; align-items: center; gap: 8px; height: 70px; }
.company-logo .wts-logo-composite img { width: auto; max-width: none; height: 70px; padding: 0; }
.company-logo .wts-logo-composite .wts-logo-drop { height: 68px; }
.company-label { margin-bottom: 20px; color: var(--blue-deep); font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.company-card h3 { max-width: 520px; margin-bottom: 22px; font-size: clamp(1.7rem, 2.8vw, 2.55rem); }
.company-card > p { color: var(--muted); }
.company-facts { display: grid; grid-template-columns: .7fr .7fr 1.3fr; gap: 10px; margin-top: auto; padding-top: 26px; border-top: 1px solid var(--line); }
.company-facts span { color: var(--muted); font-size: .72rem; line-height: 1.25; }
.company-facts b { display: block; color: var(--ink); font-size: 1.45rem; }
.company-services { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: auto 0 0; padding: 0; list-style: none; }
.company-services li { padding: 10px; color: #36505e; background: #edf4f7; font-size: .78rem; font-weight: 650; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; width: 100%; margin-top: 26px; padding-top: 18px; color: var(--blue-deep); border-top: 1px solid var(--line); font-size: .83rem; font-weight: 800; text-decoration: none; }
.reference-board { display: grid; grid-template-columns: repeat(3, 1fr); max-width: var(--max); margin: 0 auto; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.reference-row { display: flex; flex-direction: column; min-height: 240px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.reference-row strong { font-size: 1.8rem; letter-spacing: -.03em; }
.reference-row span { margin-top: 4px; color: var(--blue-deep); font-size: .78rem; font-weight: 750; text-transform: uppercase; }
.reference-row b { margin-top: auto; font-size: .9rem; font-weight: 600; }
.reference-row.featured { color: var(--white); background: var(--graphite); }
.reference-row.featured span { color: var(--ice); }
.source-note { max-width: var(--max); margin: 22px auto 0; color: var(--muted); font-size: .78rem; }

.directions-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.18fr .82fr; grid-template-rows: repeat(2, minmax(250px, auto)); gap: 18px; max-width: var(--max); margin: 0 auto; }
.direction-card { overflow: hidden; border: 1px solid rgba(255,255,255,.15); }
.direction-card.mining { grid-row: 1 / 3; display: flex; flex-direction: column; justify-content: flex-end; min-height: 560px; padding: 48px; background: radial-gradient(circle at 80% 18%, rgba(239,125,49,.35), transparent 35%), linear-gradient(145deg, #263b46, #111d23); }
.direction-label { width: max-content; margin-bottom: auto; padding: 8px 10px; color: var(--ink); background: var(--copper); font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.direction-card.mining h3 { max-width: 570px; font-size: clamp(2.4rem, 4vw, 4.4rem); }
.direction-card.mining p { max-width: 560px; color: rgba(255,255,255,.72); }
.direction-card ul { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; list-style: none; }
.direction-card li { padding: 7px 9px; border: 1px solid rgba(255,255,255,.2); font-size: .75rem; }
.direction-card.water { display: grid; grid-template-columns: 38% 62%; background: rgba(255,255,255,.04); }
.direction-card.water img { width: 100%; height: 100%; object-fit: cover; }
.direction-card.water div { padding: 28px; }
.direction-card.water h3 { margin-bottom: 12px; }
.direction-card.water p { color: rgba(255,255,255,.66); font-size: .88rem; }
.direction-card.water small { display: block; color: var(--ice); }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: var(--max); margin: 0 auto; }
.polymer-card, .adjacent-card { min-height: 310px; padding: 32px; border: 1px solid var(--line); }
.polymer-card > span { display: grid; place-items: center; width: 62px; height: 62px; margin-bottom: 74px; color: var(--white); background: var(--blue-deep); border-radius: 50%; font-size: 1.25rem; font-weight: 800; }
.polymer-card p, .adjacent-card p { color: var(--muted); }
.adjacent-card { grid-column: 1 / -1; display: grid; grid-template-columns: .5fr 1fr 1fr; align-items: center; gap: 36px; min-height: 180px; color: var(--white); background: var(--graphite); }
.adjacent-card .section-kicker { margin: 0; color: var(--ice); }
.adjacent-card h3, .adjacent-card p { margin: 0; }
.adjacent-card p { color: rgba(255,255,255,.68); }

.equipment { position: relative; padding: 112px max(28px, calc((100vw - var(--max)) / 2)); color: var(--white); background: linear-gradient(135deg, #174b36 0%, #276b4c 58%, #327a58 100%); overflow: hidden; }
.equipment::after { content: "WTS"; position: absolute; right: -2vw; bottom: -11vw; color: rgba(255,255,255,.05); font-size: clamp(13rem, 31vw, 34rem); font-weight: 900; line-height: 1; letter-spacing: -.08em; pointer-events: none; }
.equipment-inner { position: relative; z-index: 1; display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; max-width: var(--max); margin: 0 auto; }
.equipment .section-kicker { color: #c4ead3; }
.equipment-copy h2 { font-size: clamp(2.7rem, 5vw, 5rem); }
.equipment-copy > p { max-width: 560px; color: rgba(255,255,255,.73); font-size: 1.08rem; }
.equipment-button { margin-top: 24px; color: #174b36; background: #f2f8f4; }
.equipment-button:hover { background: var(--white); }
.equipment-button span { margin-left: 22px; color: #2d7655; }
.equipment-list { border-top: 1px solid rgba(255,255,255,.28); }
.equipment-list article { display: grid; grid-template-columns: 46px 1fr 1fr; gap: 22px; padding: 28px 0; border-bottom: 1px solid rgba(255,255,255,.28); }
.equipment-list span { color: #c4ead3; font-size: .74rem; font-weight: 800; }
.equipment-list h3 { margin: 0; font-size: 1.32rem; }
.equipment-list p { margin: 0; color: rgba(255,255,255,.7); font-size: .88rem; }

.contact { display: flex; flex-direction: column; justify-content: space-between; min-height: 100svh; padding-bottom: 34px; color: var(--white); background: radial-gradient(circle at 10% 10%, #2b617b 0, transparent 38%), var(--ink); }
.contact-inner { display: grid; grid-template-columns: 1fr .8fr; gap: 90px; width: 100%; max-width: var(--max); margin: auto; }
.contact-copy > p { max-width: 640px; color: rgba(255,255,255,.7); font-size: 1.12rem; }
.contact-person { display: grid; margin-top: 44px; }
.contact-person b { font-size: 1.2rem; }
.contact-person > span { margin-bottom: 12px; color: rgba(255,255,255,.55); }
.contact-person a { display: grid; grid-template-columns: 72px auto; align-items: baseline; gap: 10px; width: max-content; color: var(--ice); line-height: 1.6; text-decoration: none; }
.contact-person small { display: block; width: 72px; color: rgba(255,255,255,.45); font-size: .66rem; font-weight: 800; letter-spacing: .06em; text-align: left; text-transform: uppercase; }
.lead-form { display: grid; gap: 18px; padding: 34px; color: var(--ink); background: var(--white); }
.lead-form label { color: #46535a; font-size: .76rem; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.lead-form input, .lead-form textarea { width: 100%; margin-top: 6px; padding: 12px 0; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid #c9d0d3; border-radius: 0; font: inherit; outline: none; }
.lead-form input:focus, .lead-form textarea:focus { border-color: var(--blue-deep); }
.lead-form textarea { resize: vertical; }
.lead-form small { color: var(--muted); font-size: .72rem; }
.lead-form .button { width: 100%; }
.form-trap { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-status { min-height: 1.35em; margin: -4px 0 0; color: var(--muted); font-size: .78rem; line-height: 1.35; }
.form-status.success { color: #237248; }
.form-status.error { color: #a62f2f; }
.lead-form .button:disabled { cursor: wait; opacity: .62; }
footer { display: flex; align-items: center; justify-content: space-between; gap: 32px; max-width: var(--max); width: 100%; margin: 80px auto 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.16); }
.partner-logos { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.partner-logos a { display: block; }
.partner-logos > a > img { width: 150px; max-height: 54px; object-fit: contain; padding: 7px; background: #fff; }
.partner-logos .wts-logo-composite { gap: 4px; height: 54px; padding: 7px; background: #fff; }
.partner-logos .wts-logo-composite img { width: auto; height: 40px; padding: 0; }
.partner-logos span { color: rgba(255,255,255,.55); font-size: .68rem; line-height: 1.35; text-transform: uppercase; }
.footer-meta { display: grid; gap: 10px; max-width: 570px; margin-left: auto; text-align: right; }
.footer-meta p { margin: 0; }
.footer-company { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 5px 16px; color: rgba(255,255,255,.72); font-size: .78rem; }
.footer-company strong { color: var(--white); }
.footer-company a { color: var(--ice); text-decoration: none; }
.footer-legal { color: rgba(255,255,255,.45); font-size: .72rem; line-height: 1.5; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 1180px) {
  .site-header { grid-template-columns: 1fr auto auto; gap: 12px; }
  .lang-switch-mobile { display: flex; margin: 0; padding: 0; border: 0; font-size: .78rem; }
  .menu-toggle { display: grid; align-content: space-between; }
  .site-header.menu-open .menu-toggle span:first-child { transform: translateY(9px) rotate(45deg); }
  .site-header.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
  .site-header.menu-open .menu-toggle span:last-child { transform: translateY(-9px) rotate(-45deg); }
  .nav { position: absolute; top: 100%; left: 0; right: 0; display: none; align-items: stretch; gap: 0; padding: 12px 24px 22px; background: rgba(16,25,31,.98); border-bottom: 1px solid rgba(255,255,255,.12); }
  .site-header.menu-open .nav { display: flex; flex-direction: column; }
  .nav a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: .9rem; }
  .nav .nav-contact { margin-top: 10px; padding: 12px 16px; border-bottom: 0; text-align: center; }
  .nav .lang-switch-desktop { display: none; }
}

@media (max-width: 980px) {
  .screen { min-height: auto; padding: 110px 24px; }
  .hero { min-height: 100svh; padding-bottom: 52px; }
  .hero-content { width: 92vw; }
  .hero-side { display: none; }
  .effect-grid, .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .split-heading { grid-template-columns: 1fr; gap: 18px; }
  .loss-grid { grid-template-columns: repeat(2, 1fr); }
  .testing-steps { grid-template-columns: repeat(2, 1fr); gap: 44px 0; }
  .reference-board { grid-template-columns: repeat(2, 1fr); }
  .company-grid { grid-template-columns: 1fr; }
  .company-card { min-height: 560px; }
  .directions-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .direction-card.mining { grid-row: auto; min-height: 470px; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .portfolio-grid .polymer-card:nth-child(3) { grid-column: 1 / -1; }
  .adjacent-card { grid-template-columns: 1fr; gap: 16px; }
  .equipment-inner { grid-template-columns: 1fr; gap: 56px; }
  footer { flex-direction: column; align-items: flex-start; }
  .footer-meta { margin-left: 0; text-align: left; }
  .footer-company { justify-content: flex-start; }
}

@media (max-width: 640px) {
  h2 { font-size: clamp(2.35rem, 12vw, 3.8rem); }
  .site-header { min-height: 68px; padding-inline: 16px; }
  .hero { padding-inline: 20px; }
  .hero-media img { width: 100%; height: 100%; max-width: none; opacity: .76; object-fit: cover; object-position: 33% center; }
  .hero-overlay { background: linear-gradient(90deg, rgba(9,19,24,.91) 0%, rgba(9,19,24,.4) 100%), linear-gradient(0deg, rgba(9,19,24,.76) 0%, rgba(9,19,24,.2) 55%, rgba(9,19,24,.58) 100%); }
  .hero h1 { font-size: clamp(3rem, 15vw, 5.2rem); }
  .hero-proof span { width: 100%; }
  .decorative-symbol { display: none !important; }
  .scale-inputs div { grid-template-columns: 1fr; }
  .loss-grid, .process-grid, .reference-board, .portfolio-grid { grid-template-columns: 1fr; }
  .loss-card { min-height: 280px; }
  .loss-number { margin-bottom: 44px; }
  .process-grid { display: grid; grid-template-rows: repeat(3, 390px); }
  .process-card:first-child { grid-row: auto; }
  .testing-steps { grid-template-columns: 1fr; gap: 0; margin-top: 50px; border-top: 0; border-left: 1px solid rgba(255,255,255,.28); }
  .testing-steps li { padding: 0 0 42px 30px; }
  .testing-steps li::before { top: 5px; left: -7px; }
  .testing-steps h3 { margin-top: 12px; }
  .testing-footer { align-items: flex-start; flex-wrap: wrap; }
  .testing-footer p { width: 100%; margin: 12px 0 0; }
  .direction-card.mining { min-height: 520px; padding: 30px; }
  .direction-card.water { grid-template-columns: 1fr; }
  .direction-card.water img { height: 210px; }
  .company-card { min-height: auto; padding: 28px 22px; }
  .company-logo { margin-bottom: 38px; }
  .company-facts { grid-template-columns: 1fr; }
  .company-services { grid-template-columns: 1fr; }
  .portfolio-grid .polymer-card:nth-child(3), .adjacent-card { grid-column: auto; }
  .polymer-card > span { margin-bottom: 52px; }
  .lead-form { padding: 26px 20px; }
  .partner-logos { flex-wrap: wrap; }
  .partner-logos span { width: 100%; order: 3; }
  .equipment { padding: 96px 22px; }
  .equipment-list article { grid-template-columns: 38px 1fr; }
  .equipment-list p { grid-column: 2; }
}
@media (max-width: 640px) {
  .references .reference-row.featured {
    width: calc(100% + 48px);
    margin-right: -24px;
    margin-left: -24px;
    padding-right: 52px;
    padding-left: 52px;
    background: var(--graphite);
    box-shadow: none;
    clip-path: none;
  }
}