:root {
  --blue: #0788c8;
  --blue-dark: #0b3d64;
  --blue-deep: #062b49;
  --green: #a8cf32;
  --green-dark: #7da91b;
  --red: #ef2028;
  --ink: #122536;
  --text: #3d5264;
  --muted: #6b7e8d;
  --line: #dce7ee;
  --bg: #f4f8fb;
  --white: #fff;
  --shadow: 0 24px 70px rgba(6, 43, 73, .13);
  --radius: 22px;
  --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: "Segoe UI Variable Text", "Aptos", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}
body, button, input, textarea { font: inherit; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button { border: 0; cursor: pointer; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 2000; background: #fff; padding: 12px 16px; }
.skip-link:focus { top: 16px; }

.topbar {
  background: var(--blue-deep);
  color: rgba(255,255,255,.88);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.topbar__inner {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
}
.topbar__inner span::before { content: "•"; color: var(--green); margin-right: 10px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.95);
  border-bottom: 1px solid rgba(11,61,100,.08);
  backdrop-filter: blur(14px);
}
.site-header__inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: block; width: 150px; flex: 0 0 auto; }
.brand img { width: 100%; height: auto; }
.main-nav { margin-left: auto; display: flex; gap: 24px; align-items: center; }
.main-nav a { text-decoration: none; color: var(--blue-dark); font-size: 14px; font-weight: 750; }
.main-nav a:hover { color: var(--blue); }
.header-phone { text-decoration: none; color: var(--blue-dark); font-weight: 900; white-space: nowrap; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 14px 26px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--green), #8fbd24);
  color: var(--blue-deep);
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 12px 30px rgba(126, 170, 26, .22);
  transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(126,170,26,.28); }
.button--small { min-height: 46px; padding: 10px 18px; font-size: 14px; }
.button--outline { background: transparent; color: var(--blue-dark); border: 2px solid rgba(11,61,100,.18); box-shadow: none; }
.button--full { width: 100%; }
.text-link { display: inline-flex; gap: 8px; color: var(--blue-dark); font-weight: 900; text-decoration: none; }
.text-link span { color: var(--green-dark); }

.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 82px;
  background:
    radial-gradient(circle at 80% 18%, rgba(7,136,200,.10), transparent 28%),
    linear-gradient(180deg, #fff, #f3f8fb);
}
.hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 6px;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--red));
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(340px, .82fr) minmax(0, 1.18fr);
  gap: 62px;
  align-items: center;
}
.hero__visual { order: 0; }
.hero__frame {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
  padding: 12px;
  background: #fff;
  border: 1px solid rgba(11,61,100,.10);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero__frame::before,
.hero__frame::after {
  content: "";
  position: absolute;
  width: 72px;
  height: 72px;
  border: 4px solid var(--green);
  z-index: -1;
}
.hero__frame::before { left: -18px; bottom: 58px; border-right: 0; border-top: 0; border-radius: 0 0 0 28px; }
.hero__frame::after { right: -18px; top: 58px; border-left: 0; border-bottom: 0; border-radius: 0 28px 0 0; }
.hero__frame img { width: 100%; border-radius: 16px; }

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.eyebrow--light { color: #d9f2ff; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--ink); font-family: "Segoe UI Variable Display", "Aptos Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif; line-height: 1.12; letter-spacing: -.022em; }
h1 { margin-bottom: 22px; font-size: clamp(42px, 5.2vw, 68px); font-weight: 950; }
h2 { margin-bottom: 20px; font-size: clamp(31px, 4.1vw, 50px); font-weight: 950; }
h3 { font-size: 22px; font-weight: 900; }
.hero__lead { max-width: 680px; margin-bottom: 28px; color: var(--text); font-size: 21px; line-height: 1.65; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.hero__phone { display: inline-flex; flex-direction: column; text-decoration: none; color: var(--blue-dark); margin-bottom: 32px; }
.hero__phone span { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .1em; font-weight: 850; }
.hero__phone strong { font-size: 28px; line-height: 1.2; }
.hero__proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.hero__proof div { padding-top: 15px; border-top: 1px solid var(--line); }
.hero__proof strong { display: block; color: var(--blue-dark); font-size: 26px; line-height: 1.1; }
.hero__proof span { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; }

.trust-strip { background: var(--blue-dark); color: #fff; }
.trust-strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-strip__grid > div { min-height: 86px; display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-right: 1px solid rgba(255,255,255,.12); }
.trust-strip__grid > div:last-child { border-right: 0; }
.trust-strip__grid p { margin: 0; font-size: 14px; font-weight: 800; line-height: 1.35; }
.trust-icon { display: grid; place-items: center; width: 36px; height: 36px; flex: 0 0 auto; border-radius: 50%; background: var(--green); color: var(--blue-deep); font-size: 11px; font-weight: 950; }

.section { padding: 92px 0; }
.video-section {
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.video-section__grid {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 56px;
  align-items: center;
}
.video-section__copy { max-width: 420px; }
.video-section__copy .lead { margin-bottom: 0; }
.video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background: var(--blue-deep);
  box-shadow: var(--shadow);
}
.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.section--light { background: var(--bg); }
.section--blue { background: linear-gradient(135deg, var(--blue-deep), var(--blue-dark)); color: rgba(255,255,255,.84); }
.section--polar { background: #07263e; color: rgba(255,255,255,.82); }
.section-heading { max-width: 820px; margin-bottom: 44px; }
.section-heading p, .lead { color: var(--muted); font-size: 18px; line-height: 1.8; }
.section-heading--light h2, .polar-heading h2, .contact-copy h2 { color: #fff; }
.section-heading--light p, .polar-heading p, .contact-copy p { color: rgba(255,255,255,.76); }
.strong-copy { color: var(--blue-dark); font-weight: 850; }

.split { display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; }
.cost-card {
  padding: 42px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--blue-dark), var(--blue));
  color: rgba(255,255,255,.84);
  box-shadow: var(--shadow);
}
.cost-card__label { color: #d5f2ff; font-size: 12px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.cost-card strong { display: block; margin: 12px 0; color: #fff; font-size: clamp(38px, 5vw, 58px); line-height: 1; }
.cost-card .button { margin-top: 12px; }

.solution-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.solution-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 18px 50px rgba(6,43,73,.08); }
.solution-card > img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.solution-card > div:last-child { padding: 28px; }
.solution-card span { display: inline-block; margin-bottom: 8px; color: var(--blue); font-size: 12px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.solution-card p { margin-bottom: 0; color: var(--muted); }
.product-stage { display: grid; place-items: center; min-height: 420px; padding: 32px; background: radial-gradient(circle at 50% 40%, #fff, #e9f3f8); }
.product-stage img { max-height: 380px; width: auto; }

.use-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.use-grid article { min-height: 230px; padding: 26px 22px; border: 1px solid rgba(255,255,255,.14); border-radius: 18px; background: rgba(255,255,255,.07); }
.use-grid article > span { display: inline-grid; place-items: center; width: 40px; height: 40px; margin-bottom: 28px; border-radius: 50%; background: var(--green); color: var(--blue-deep); font-weight: 950; }
.use-grid h3 { color: #fff; font-size: 19px; }
.use-grid p { margin-bottom: 0; font-size: 15px; line-height: 1.6; }

.space-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.space-gallery__card { position: relative; min-height: 360px; overflow: hidden; border-radius: 20px; border: 1px solid rgba(255,255,255,.18); background: #0b3d64; box-shadow: 0 18px 48px rgba(0,0,0,.18); }
.space-gallery__card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 42%, rgba(4,29,48,.92) 100%); }
.space-gallery__card img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; transition: transform .35s ease; }
.space-gallery__card:hover img { transform: scale(1.025); }
.space-gallery__card > div { position: absolute; z-index: 2; left: 22px; right: 22px; bottom: 20px; display: flex; align-items: center; gap: 12px; }
.space-gallery__card span { display: grid; place-items: center; width: 40px; height: 40px; flex: 0 0 auto; border-radius: 50%; background: var(--green); color: var(--blue-deep); font-weight: 950; }
.space-gallery__card h3 { margin: 0; color: #fff; font-size: 21px; }

.technology-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 66px; align-items: center; }
.technology-visual { position: relative; }
.technology-visual > img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }
.technology-badge { position: absolute; right: -22px; bottom: 28px; max-width: 190px; padding: 20px; border-radius: 18px; background: var(--green); color: var(--blue-deep); box-shadow: var(--shadow); }
.technology-badge strong { display: block; font-size: 38px; line-height: 1; }
.technology-badge span { display: block; margin-top: 6px; font-size: 13px; line-height: 1.35; font-weight: 850; }
.steps { display: grid; gap: 8px; }
.steps article { display: grid; grid-template-columns: 48px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.steps article:last-child { border-bottom: 0; }
.steps article > span { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--blue-dark); color: #fff; font-weight: 950; }
.steps h3 { margin-bottom: 5px; font-size: 19px; }
.steps p { margin-bottom: 0; color: var(--muted); font-size: 15px; line-height: 1.62; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-grid article { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.feature-image { height: 230px; overflow: hidden; background: var(--bg); }
.feature-image img { width: 100%; height: 100%; object-fit: cover; }
.feature-grid h3, .feature-grid p { margin-left: 24px; margin-right: 24px; }
.feature-grid h3 { margin-top: 24px; }
.feature-grid p { margin-bottom: 26px; color: var(--muted); font-size: 15px; }

.sludge-section { background: linear-gradient(180deg, #eef6fa 0%, #ffffff 100%); }
.sludge-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.sludge-copy .lead { margin-bottom: 18px; }
.sludge-highlight { display: inline-block; margin-bottom: 26px; padding: 10px 14px; border-left: 4px solid var(--green); background: rgba(168,207,50,.12); color: var(--blue-dark); font-size: 20px; font-weight: 950; }
.sludge-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.sludge-facts div { padding: 18px 16px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.sludge-facts strong { display: block; color: var(--blue-dark); font-size: 15px; }
.sludge-facts span { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.sludge-visuals { display: grid; grid-template-columns: 1.15fr .85fr; gap: 14px; align-items: stretch; }
.sludge-visuals figure { position: relative; margin: 0; overflow: hidden; border-radius: 20px; box-shadow: var(--shadow); background: #0b2235; }
.sludge-visuals__main { min-height: 500px; }
.sludge-visuals__secondary { min-height: 420px; align-self: end; }
.sludge-visuals img { width: 100%; height: 100%; object-fit: cover; }
.sludge-visuals figcaption { position: absolute; left: 14px; bottom: 14px; padding: 8px 12px; border-radius: 999px; background: rgba(6,43,73,.88); color: #fff; font-size: 12px; font-weight: 900; }

.comparison-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 14px 40px rgba(6,43,73,.06); }
.comparison { width: 100%; border-collapse: collapse; min-width: 720px; }
.comparison th, .comparison td { padding: 18px 22px; text-align: left; border-bottom: 1px solid var(--line); }
.comparison th { background: var(--blue-dark); color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; }
.comparison th:last-child { background: var(--green); color: var(--blue-deep); }
.comparison td:first-child { font-weight: 850; color: var(--blue-dark); }
.comparison td:last-child { background: rgba(168,207,50,.08); font-weight: 800; color: var(--blue-dark); }
.comparison tr:last-child td { border-bottom: 0; }
.center-cta { max-width: 720px; margin: 34px auto 0; text-align: center; }
.center-cta p { color: var(--muted); }

.montage-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.montage-list { counter-reset: montage; display: grid; gap: 12px; padding: 0; margin: 30px 0 0; list-style: none; }
.montage-list li { counter-increment: montage; display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; }
.montage-list li::before { content: counter(montage); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 950; }
.montage-list strong, .montage-list span { grid-column: 2; }
.montage-list strong { color: var(--blue-dark); }
.montage-list span { color: var(--muted); font-size: 14px; }
.realisation-stack { position: relative; min-height: 620px; }
.realisation-stack img { position: absolute; width: 68%; max-height: 560px; object-fit: cover; border-radius: 18px; box-shadow: var(--shadow); }
.realisation-stack img:first-child { left: 0; top: 0; }
.realisation-stack img:last-child { right: 0; bottom: 0; border: 10px solid #fff; }

.placement-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 54px; align-items: center; }
.placement-copy .button { margin-top: 10px; }
.placement-visual { margin: 0; overflow: hidden; padding: 14px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.placement-visual img { width: 100%; border-radius: 14px; }

.experience-section { background: linear-gradient(135deg, #071f33 0%, #0b3d64 60%, #075f91 100%); color: rgba(255,255,255,.82); }
.experience-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 58px; align-items: center; }
.experience-visual { overflow: hidden; border: 1px solid rgba(255,255,255,.16); border-radius: 22px; box-shadow: 0 30px 80px rgba(0,0,0,.28); }
.experience-visual img { width: 100%; }
.experience-copy h2 { color: #fff; }
.experience-copy p { color: rgba(255,255,255,.72); font-size: 18px; }
.experience-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 28px; }
.experience-stats div { padding-top: 16px; border-top: 1px solid rgba(255,255,255,.18); }
.experience-stats strong { display: block; color: #fff; font-size: 30px; line-height: 1; }
.experience-stats span { display: block; margin-top: 7px; color: rgba(255,255,255,.66); font-size: 12px; line-height: 1.4; }

.polar-heading { max-width: 860px; margin-bottom: 34px; }
.polar-proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 28px; }
.polar-proof div { padding: 22px; border: 1px solid rgba(255,255,255,.14); border-radius: 16px; background: rgba(255,255,255,.05); }
.polar-proof strong { display: block; color: #fff; font-size: 34px; }
.polar-proof span { color: rgba(255,255,255,.68); font-size: 13px; }
.polar-gallery { display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: 260px 260px; gap: 14px; }
.polar-gallery figure { margin: 0; overflow: hidden; border-radius: 16px; }
.polar-gallery__large { grid-row: span 2; }
.polar-gallery img { width: 100%; height: 100%; object-fit: cover; }
.polar-quote { max-width: 900px; margin: 38px auto 0; text-align: center; }
.polar-quote p { margin-bottom: 8px; color: #fff; font-size: 28px; font-weight: 850; line-height: 1.35; }
.polar-quote span { color: #bde676; font-weight: 850; }

.faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 60px; align-items: start; }
.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--line); border-radius: 14px; background: #fff; }
summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 18px; padding: 20px 22px; color: var(--blue-dark); font-weight: 900; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--green-dark); font-size: 24px; }
details[open] summary::after { content: "−"; }
details p { padding: 0 22px 20px; margin-bottom: 0; color: var(--muted); font-size: 15px; }

.contact-section { background: linear-gradient(135deg, var(--blue-deep), var(--blue-dark)); color: rgba(255,255,255,.78); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; }
.contact-data { display: grid; gap: 14px; margin-top: 34px; }
.contact-data a, .contact-data div { display: flex; flex-direction: column; text-decoration: none; }
.contact-data span { color: rgba(255,255,255,.58); font-size: 12px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.contact-data strong { color: #fff; font-size: 19px; }
.contact-form { padding: 34px; border-radius: 22px; background: #fff; color: var(--text); box-shadow: 0 32px 80px rgba(0,0,0,.18); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form label { display: block; margin-bottom: 15px; color: var(--blue-dark); font-size: 14px; font-weight: 850; }
.contact-form input, .contact-form textarea {
  width: 100%;
  margin-top: 7px;
  padding: 14px 15px;
  border: 1px solid #cddce5;
  border-radius: 10px;
  background: #fbfdfe;
  color: var(--ink);
  outline: 0;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(7,136,200,.10); }
.form-consent { display: grid !important; grid-template-columns: 20px 1fr; gap: 10px; align-items: start; font-weight: 500 !important; line-height: 1.45; }
.form-consent input { width: 18px; height: 18px; margin-top: 2px; }
.form-note { margin: 10px 0 0; text-align: center; color: var(--muted); font-size: 12px; }
.hp-field { position: absolute !important; left: -9999px !important; opacity: 0 !important; }

.site-footer { padding: 38px 0 110px; background: #fff; border-top: 1px solid var(--line); }
.site-footer__grid { display: grid; grid-template-columns: 180px 1fr 1fr auto; gap: 28px; align-items: center; }
.site-footer img { width: 150px; }
.site-footer p { margin: 0; font-size: 14px; line-height: 1.6; }
.site-footer a { text-decoration: none; color: var(--blue-dark); font-weight: 850; }
.site-footer__small { color: var(--muted); }

.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 1100; display: flex; align-items: center; justify-content: center; gap: 12px; padding: 11px 16px; background: rgba(6,43,73,.97); color: #fff; box-shadow: 0 -8px 30px rgba(6,43,73,.28); }
.sticky-cta span { font-weight: 900; }
.sticky-cta a { padding: 10px 18px; border-radius: 999px; background: var(--green); color: var(--blue-deep); text-decoration: none; font-size: 14px; font-weight: 950; }
.sticky-cta a:last-child { background: #fff; }

@media (max-width: 1050px) {
  .main-nav { display: none; }
  .site-header__inner { gap: 18px; }
  .header-phone { margin-left: auto; }
  .hero__grid { grid-template-columns: .82fr 1.18fr; gap: 38px; }
  .use-grid { grid-template-columns: repeat(3, 1fr); }
  .space-gallery { grid-template-columns: repeat(3, 1fr); }
  .space-gallery__card, .space-gallery__card img { min-height: 320px; }
  .sludge-grid { gap: 38px; }
  .trust-strip__grid { grid-template-columns: repeat(2, 1fr); }
  .trust-strip__grid > div:nth-child(2) { border-right: 0; }
  .realisation-stack { min-height: 540px; }
}

@media (max-width: 820px) {
  .section { padding: 72px 0; }
  .hero { padding: 52px 0 68px; }
  .hero__grid,
  .split,
  .video-section__grid,
  .technology-grid,
  .montage-grid,
  .faq-grid,
  .contact-grid,
  .sludge-grid,
  .placement-grid,
  .experience-grid { grid-template-columns: 1fr; }
  .hero__copy { order: -1; }
  .hero__frame { max-width: 520px; }
  .solution-showcase, .feature-grid { grid-template-columns: 1fr; }
  .space-gallery { grid-template-columns: 1fr; }
  .space-gallery__card, .space-gallery__card img { min-height: 430px; }
  .feature-image { height: 280px; }
  .sludge-visuals { max-width: 680px; }
  .placement-copy { order: -1; }
  .experience-visual { max-width: 760px; }
  .technology-badge { right: 18px; }
  .realisation-stack { min-height: 560px; max-width: 560px; margin: 0 auto; width: 100%; }
  .polar-gallery { grid-template-columns: 1fr 1fr; grid-template-rows: 300px 220px 220px; }
  .polar-gallery__large { grid-column: span 2; grid-row: auto; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .site-footer__small { text-align: right; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .container { width: min(calc(100% - 24px), var(--container)); }
  .topbar__inner { justify-content: flex-start; overflow-x: auto; gap: 18px; white-space: nowrap; }
  .topbar__inner span { font-size: 11px; }
  .site-header__inner { min-height: 70px; }
  .brand { width: 128px; }
  .header-phone { display: none; }
  .site-header .button { margin-left: auto; min-height: 42px; padding: 9px 13px; font-size: 12px; }
  h1 { font-size: clamp(36px, 11vw, 50px); }
  h2 { font-size: clamp(29px, 9vw, 40px); }
  .hero__lead { font-size: 18px; }
  .video-section__grid { gap: 28px; }
  .video-section__copy { max-width: none; }
  .hero__actions { flex-direction: column; }
  .hero__actions .button { width: 100%; }
  .hero__proof { grid-template-columns: 1fr; }
  .hero__proof div { display: grid; grid-template-columns: 110px 1fr; align-items: end; }
  .hero__proof span { margin: 0; }
  .trust-strip__grid { grid-template-columns: 1fr; }
  .trust-strip__grid > div { min-height: 68px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .use-grid { grid-template-columns: 1fr; }
  .use-grid article { min-height: auto; }
  .space-gallery__card, .space-gallery__card img { min-height: 320px; }
  .sludge-facts { grid-template-columns: 1fr; }
  .sludge-visuals { grid-template-columns: 1fr; }
  .sludge-visuals__main, .sludge-visuals__secondary { min-height: 300px; }
  .experience-stats { grid-template-columns: 1fr; }
  .solution-card > div:last-child, .cost-card, .contact-form { padding: 24px; }
  .product-stage { min-height: 330px; }
  .product-stage img { max-height: 300px; }
  .technology-badge { position: static; max-width: none; margin-top: 12px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .comparison th, .comparison td { padding: 14px 16px; }
  .realisation-stack { min-height: 470px; }
  .realisation-stack img { width: 76%; max-height: 430px; }
  .polar-proof { grid-template-columns: 1fr; }
  .polar-gallery { grid-template-columns: 1fr; grid-template-rows: repeat(4, 240px); }
  .polar-gallery__large { grid-column: auto; }
  .polar-quote p { font-size: 22px; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__small { text-align: left; }
  .sticky-cta { justify-content: space-between; gap: 6px; padding: 9px 10px; }
  .sticky-cta span { font-size: 12px; }
  .sticky-cta a { padding: 9px 12px; font-size: 12px; }
}