:root {
  --navy: #10274a;
  --navy-2: #0a1a32;
  --blue: #164f93;
  --orange: #f28b20;
  --orange-dark: #d96d08;
  --green: #1d7f6e;
  --ink: #142033;
  --muted: #627084;
  --line: #dce3ec;
  --soft: #f3f6f9;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(14, 32, 58, .13);
  --radius: 6px;
  --shell: 1240px;
  --section-space: 112px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.65; letter-spacing: 0; }
body.menu-open { overflow: hidden; }
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; letter-spacing: 0; }
button { cursor: pointer; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.section { padding: var(--section-space) 0; }
.skip-link { position: fixed; z-index: 9999; top: 8px; left: 8px; transform: translateY(-150%); background: var(--white); color: var(--navy); padding: 10px 16px; border-radius: 4px; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; z-index: 1000; inset: 0 0 auto; height: 84px; border-bottom: 1px solid rgba(255,255,255,.22); transition: background .25s ease, box-shadow .25s ease, border-color .25s ease; }
.site-header.scrolled, .site-header.menu-active { background: rgba(255,255,255,.97); border-color: var(--line); box-shadow: 0 8px 28px rgba(15,35,64,.09); }
.nav-shell { height: 100%; width: min(calc(100% - 48px), 1380px); margin-inline: auto; display: flex; align-items: center; gap: 34px; }
.brand { width: 150px; flex: 0 0 auto; }
.brand img { width: 150px; height: 50px; object-fit: contain; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 28px; margin-left: auto; }
.main-nav a { color: var(--white); font-size: 14px; font-weight: 700; line-height: 84px; position: relative; transition: color .2s ease; }
.main-nav a::after { content: ""; position: absolute; inset: auto 0 21px; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.site-header.scrolled .main-nav a, .site-header.menu-active .main-nav a { color: var(--navy); }
.nav-cta { min-height: 46px; display: inline-flex; align-items: center; gap: 12px; padding: 0 20px; color: var(--white); background: var(--orange); font-size: 14px; font-weight: 700; border-radius: 3px; transition: background .2s ease, transform .2s ease; }
.nav-cta:hover { background: var(--orange-dark); transform: translateY(-1px); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 10px; }
.nav-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--white); transition: transform .2s ease, opacity .2s ease, background .2s ease; }
.site-header.scrolled .nav-toggle span, .site-header.menu-active .nav-toggle span { background: var(--navy); }

.hero { position: relative; min-height: 650px; height: 92vh; max-height: 920px; display: flex; align-items: center; isolation: isolate; color: var(--white); }
.hero-media { position: absolute; inset: 0; z-index: -3; background: url("asset/hero-recycling-line.webp") center 45%/cover no-repeat; }
.hero-shade { position: absolute; inset: 0; z-index: -2; background: linear-gradient(90deg, rgba(5,18,38,.86) 0%, rgba(5,18,38,.66) 40%, rgba(5,18,38,.1) 72%, rgba(5,18,38,.04) 100%); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 120px; z-index: -1; background: linear-gradient(0deg, rgba(7,19,38,.42), transparent); }
.hero-content { padding-top: 52px; }
.hero h1 { width: min(760px, 72%); margin: 0; font-size: 72px; line-height: 1.02; font-weight: 800; letter-spacing: 0; text-wrap: balance; }
.hero p { width: min(650px, 70%); margin: 28px 0 0; color: rgba(255,255,255,.88); font-size: 22px; line-height: 1.5; }
.hero-actions { display: flex; align-items: center; gap: 34px; margin-top: 38px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 0; border-radius: 3px; padding: 0 24px; font-size: 14px; font-weight: 800; line-height: 1; transition: background .2s ease, color .2s ease, transform .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--orange); color: var(--white); }
.button-primary:hover { background: var(--orange-dark); }
.button-dark { background: var(--navy); color: var(--white); }
.button-dark:hover { background: var(--blue); }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--blue); font-size: 14px; font-weight: 800; }
.text-link.light { color: var(--white); }
.text-link svg, .button svg { width: 18px; transition: transform .2s ease; }
.text-link:hover svg, .button:hover svg { transform: translateX(4px); }
.hero-scroll { position: absolute; left: 50%; bottom: 26px; display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255,255,255,.75); font-size: 11px; text-transform: uppercase; font-weight: 700; }
.hero-scroll i { display: block; width: 1px; height: 32px; background: rgba(255,255,255,.65); animation: scrollLine 1.8s ease-in-out infinite; }
@keyframes scrollLine { 0%,100%{transform:scaleY(.45);transform-origin:top} 50%{transform:scaleY(1);transform-origin:top} }

.proof-strip { background: var(--navy); color: var(--white); }
.proof-grid { min-height: 126px; display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid div { padding: 26px 30px; display: flex; flex-direction: column; justify-content: center; border-left: 1px solid rgba(255,255,255,.14); }
.proof-grid div:last-child { border-right: 1px solid rgba(255,255,255,.14); }
.proof-grid strong { font-size: 34px; line-height: 1.1; color: var(--orange); }
.proof-grid span { margin-top: 6px; color: rgba(255,255,255,.74); font-size: 13px; }

.section-heading { max-width: 780px; margin-bottom: 56px; }
.section-heading.split-heading { max-width: none; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(330px, .8fr); gap: 80px; align-items: end; }
.section-heading h2, .company h2, .contact h2, .case h2, .faq-intro h2 { margin: 12px 0 0; font-size: 48px; line-height: 1.13; font-weight: 800; color: var(--navy); text-wrap: balance; }
.section-heading p, .split-heading > p { margin: 18px 0 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.section-heading.split-heading > p { margin: 0; }
.section-index { display: inline-block; color: var(--orange-dark); font-size: 12px; line-height: 1.2; text-transform: uppercase; font-weight: 800; letter-spacing: .08em; }
.light-index { color: #ffb15c; }

.solution { background: var(--white); }
.solution-stages { display: grid; gap: 36px; }
.stage { min-height: 480px; display: grid; grid-template-columns: 90px 1fr 44%; overflow: hidden; background: var(--soft); border-radius: var(--radius); box-shadow: 0 18px 55px rgba(23,46,76,.09); }
.stage-two { grid-template-columns: 90px 1fr 50%; background: var(--navy); color: var(--white); }
.stage-number { padding-top: 48px; color: var(--orange); font-size: 14px; font-weight: 800; text-align: center; border-right: 1px solid rgba(18,44,76,.12); }
.stage-two .stage-number { border-color: rgba(255,255,255,.14); }
.stage-copy { padding: 66px 54px; align-self: center; }
.stage h3 { margin: 0; color: var(--navy); font-size: 32px; line-height: 1.2; }
.stage-two h3 { color: var(--white); }
.stage p { margin: 20px 0; color: var(--muted); }
.stage-two p { color: rgba(255,255,255,.75); }
.stage > img { width: 100%; height: 100%; object-fit: cover; }
.stage-one > img { object-fit: contain; padding: 30px; background: #e9eef3; }
.check-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 24px; font-size: 14px; font-weight: 700; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .65em; width: 10px; height: 2px; background: var(--orange); }

.process { background: var(--soft); overflow: hidden; }
.process-rail { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid #cbd5e1; border-left: 1px solid #cbd5e1; }
.process-step { min-height: 250px; padding: 28px 24px; border-right: 1px solid #cbd5e1; border-bottom: 1px solid #cbd5e1; background: var(--white); transition: transform .2s ease, box-shadow .2s ease; }
.process-step:hover { position: relative; z-index: 2; transform: translateY(-4px); box-shadow: var(--shadow); }
.process-step b { color: var(--orange-dark); font-size: 12px; }
.process-step h3 { margin: 44px 0 12px; color: var(--navy); font-size: 20px; }
.process-step p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.process-note { margin: 22px 0 0; padding-left: 18px; border-left: 3px solid var(--orange); color: var(--muted); font-size: 13px; }

.equipment-feature { margin-top: 64px; display: grid; grid-template-columns: 48% 1fr; gap: 80px; align-items: center; }
.equipment-feature.reverse { grid-template-columns: 1fr 55%; }
.equipment-feature.reverse .equipment-image { order: 2; }
.equipment-image { min-height: 560px; background: var(--soft); box-shadow: var(--shadow); overflow: hidden; border-radius: var(--radius); }
.equipment-image img { width: 100%; height: 100%; min-height: 560px; object-fit: contain; padding: 34px; }
.equipment-image.wide img { object-fit: cover; padding: 0; }
.equipment-label { color: var(--orange-dark); font-size: 12px; text-transform: uppercase; font-weight: 800; letter-spacing: .08em; }
.equipment-copy h3 { margin: 12px 0 20px; color: var(--navy); font-size: 36px; line-height: 1.18; }
.equipment-copy > p { color: var(--muted); font-size: 17px; }
.spec-list { margin: 32px 0; border-top: 1px solid var(--line); }
.spec-list div { display: grid; grid-template-columns: 42% 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.spec-list dt { color: var(--muted); font-size: 13px; }
.spec-list dd { margin: 0; color: var(--navy); font-size: 14px; font-weight: 800; }

.advantages { background: var(--soft); }
.advantage-layout { display: grid; grid-template-columns: 35% 1fr; gap: 92px; }
.advantage-intro { position: sticky; top: 126px; align-self: start; }
.advantage-intro h2 { margin: 14px 0 24px; color: var(--navy); font-size: 44px; line-height: 1.15; }
.advantage-intro p { color: var(--muted); margin-bottom: 30px; }
.advantage-list { border-top: 1px solid #cbd5e1; }
.advantage-list article { display: grid; grid-template-columns: 60px 1fr; gap: 24px; padding: 30px 0; border-bottom: 1px solid #cbd5e1; }
.advantage-list article > span { color: var(--orange-dark); font-size: 12px; font-weight: 800; padding-top: 5px; }
.advantage-list h3 { margin: 0 0 7px; color: var(--navy); font-size: 22px; }
.advantage-list p { margin: 0; color: var(--muted); }

.materials-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.material-card { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: 0 12px 34px rgba(14,32,58,.07); }
.material-card img { width: 100%; aspect-ratio: 4/4.4; object-fit: cover; transition: transform .35s ease; }
.material-card:hover img { transform: scale(1.025); }
.material-card figcaption { padding: 20px; display: flex; flex-direction: column; }
.material-card strong { color: var(--navy); font-size: 18px; }
.material-card span { margin-top: 5px; color: var(--muted); font-size: 13px; }
.output-line { margin-top: 28px; display: flex; flex-wrap: wrap; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.output-line span { flex: 1 1 180px; padding: 17px 20px; border-right: 1px solid var(--line); color: var(--navy); font-size: 13px; font-weight: 800; text-align: center; }

.specifications { background: var(--navy); color: var(--white); }
.specifications .section-heading h2 { color: var(--white); }
.specifications .section-heading p { color: rgba(255,255,255,.7); }
.table-wrap { overflow-x: auto; border: 1px solid rgba(255,255,255,.18); border-radius: 4px; }
table { width: 100%; min-width: 900px; border-collapse: collapse; background: rgba(255,255,255,.025); }
th { padding: 18px 20px; background: rgba(255,255,255,.1); color: var(--white); font-size: 12px; text-align: left; text-transform: uppercase; }
td { padding: 17px 20px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.76); font-size: 13px; vertical-align: top; }
td:first-child { color: var(--white); font-weight: 700; }
tbody tr:hover { background: rgba(255,255,255,.05); }
.spec-foot { display: flex; justify-content: space-between; gap: 30px; padding: 22px 0 0; font-size: 13px; }
.spec-foot strong { color: #ffb15c; }
.spec-foot span { color: rgba(255,255,255,.6); }

.case { display: grid; grid-template-columns: 58% 42%; background: var(--navy-2); color: var(--white); }
.case-video { min-height: 760px; background: #020914; }
.case-video video { width: 100%; height: 100%; min-height: 760px; object-fit: cover; }
.case-copy { padding: 100px 8vw 90px 6vw; align-self: center; }
.case h2 { color: var(--white); }
.case-copy > p { color: rgba(255,255,255,.72); margin: 24px 0 30px; }
.case-copy dl { margin: 0 0 34px; border-top: 1px solid rgba(255,255,255,.16); }
.case-copy dl div { padding: 14px 0; display: grid; grid-template-columns: 30% 1fr; gap: 18px; border-bottom: 1px solid rgba(255,255,255,.16); }
.case-copy dt { color: rgba(255,255,255,.48); font-size: 12px; }
.case-copy dd { margin: 0; font-size: 13px; font-weight: 700; }

.comparison-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.comparison-head, .comparison-row { display: grid; grid-template-columns: 1fr 1.45fr 1.45fr; }
.comparison-head { background: var(--navy); color: var(--white); }
.comparison-head span, .comparison-row > * { padding: 22px 26px; border-right: 1px solid var(--line); }
.comparison-head span { border-color: rgba(255,255,255,.15); font-size: 13px; font-weight: 800; }
.comparison-row { border-top: 1px solid var(--line); }
.comparison-row strong { color: var(--navy); font-size: 14px; }
.comparison-row span { color: var(--muted); font-size: 14px; }
.comparison-row .cronus-col { background: #eef5fb; color: var(--navy); }
.comparison-head .cronus-col { background: var(--orange); color: var(--white); }

.spares { background: var(--soft); }
.spares-list { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #cbd5e1; border-left: 1px solid #cbd5e1; }
.spares-list > div { min-height: 240px; padding: 28px; background: var(--white); border-right: 1px solid #cbd5e1; border-bottom: 1px solid #cbd5e1; }
.spares-list b { color: var(--orange-dark); font-size: 12px; }
.spares-list h3 { margin: 40px 0 9px; color: var(--navy); font-size: 20px; }
.spares-list p { margin: 0; color: var(--muted); font-size: 14px; }
.spares-promise { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 32px; background: var(--navy); color: var(--white); }
.spares-promise span { padding: 18px 12px; border-right: 1px solid rgba(255,255,255,.14); text-align: center; font-size: 12px; font-weight: 800; }

.company-top { display: grid; grid-template-columns: 44% 1fr; gap: 84px; align-items: center; }
.company h2 { margin-bottom: 26px; }
.company-copy p { color: var(--muted); }
.company-copy strong { color: var(--navy); }
.company-media { position: relative; overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); }
.company-media img { width: 100%; min-height: 520px; object-fit: cover; }
.company-media span { position: absolute; inset: auto 0 0; padding: 18px 24px; background: rgba(8,26,49,.88); color: var(--white); font-size: 13px; font-weight: 700; }
.company-gallery { margin-top: 56px; display: grid; grid-template-columns: 1fr 2fr 1fr; gap: 18px; }
.company-gallery figure { margin: 0; position: relative; overflow: hidden; border-radius: var(--radius); }
.company-gallery img { width: 100%; height: 320px; object-fit: cover; }
.company-gallery figcaption { position: absolute; inset: auto 0 0; padding: 40px 18px 14px; background: linear-gradient(0deg, rgba(5,18,38,.75), transparent); color: var(--white); font-size: 12px; font-weight: 700; }
.company-facts { margin-top: 18px; display: grid; grid-template-columns: repeat(4, 1fr); background: var(--navy); color: var(--white); }
.company-facts div { padding: 26px; border-right: 1px solid rgba(255,255,255,.15); }
.company-facts strong, .company-facts span { display: block; }
.company-facts strong { color: #ffb15c; font-size: 26px; }
.company-facts span { color: rgba(255,255,255,.68); font-size: 12px; }

.certificates { background: var(--soft); }
.certificate-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; align-items: stretch; }
.certificate-grid figure { margin: 0; padding: 18px; display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(14,32,58,.06); }
.certificate-grid img { width: 100%; height: 280px; object-fit: contain; background: #f8fafc; }
.certificate-grid figcaption { padding: 14px 2px 0; color: var(--navy); font-size: 13px; font-weight: 800; }

.service-path { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-path article { min-height: 280px; padding: 24px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service-path span { color: var(--orange-dark); font-size: 12px; font-weight: 800; }
.service-path h3 { margin: 54px 0 12px; color: var(--navy); font-size: 18px; }
.service-path p { margin: 0; color: var(--muted); font-size: 13px; }
.service-banner { margin-top: 32px; padding: 28px 32px; display: flex; align-items: center; justify-content: space-between; gap: 30px; background: var(--navy); color: var(--white); border-radius: var(--radius); }
.service-banner strong, .service-banner span { display: block; }
.service-banner strong { font-size: 21px; }
.service-banner span { color: rgba(255,255,255,.68); font-size: 13px; }

.faq { background: var(--soft); }
.faq-layout { display: grid; grid-template-columns: 34% 1fr; gap: 100px; }
.faq-intro { position: sticky; top: 126px; align-self: start; }
.faq-intro p { color: var(--muted); }
.faq-list { border-top: 1px solid #cbd5e1; }
.faq details { border-bottom: 1px solid #cbd5e1; }
.faq summary { position: relative; list-style: none; padding: 22px 54px 22px 0; color: var(--navy); font-size: 17px; font-weight: 800; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span::before, .faq summary span::after { content: ""; position: absolute; right: 5px; top: 34px; width: 16px; height: 2px; background: var(--navy); transition: transform .2s ease; }
.faq summary span::after { transform: rotate(90deg); }
.faq details[open] summary span::after { transform: rotate(0); }
.faq details p { margin: -4px 0 24px; padding-right: 60px; color: var(--muted); }

.contact { padding: 112px 0; background: var(--navy-2); color: var(--white); }
.contact-grid { display: grid; grid-template-columns: 40% 1fr; gap: 100px; align-items: start; }
.contact h2 { color: var(--white); font-size: 50px; }
.contact-copy > p { color: rgba(255,255,255,.7); font-size: 17px; }
.contact-details { margin-top: 40px; display: grid; gap: 18px; }
.contact-details > * { display: flex; flex-direction: column; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,.16); }
.contact-details small { color: #ffb15c; font-size: 11px; font-weight: 800; text-transform: uppercase; }
.contact-details strong { margin-top: 4px; font-size: 14px; line-height: 1.6; }
.inquiry-form { padding: 42px; background: var(--white); color: var(--ink); border-radius: var(--radius); box-shadow: 0 24px 70px rgba(0,0,0,.24); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.inquiry-form label { display: block; margin-bottom: 17px; color: var(--navy); font-size: 12px; font-weight: 800; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { width: 100%; margin-top: 7px; border: 1px solid #cbd5e1; border-radius: 3px; background: var(--white); color: var(--ink); outline: none; }
.inquiry-form input, .inquiry-form select { height: 48px; padding: 0 13px; }
.inquiry-form textarea { padding: 12px 13px; resize: vertical; }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22,79,147,.1); }
.inquiry-form .invalid { border-color: #bd2e2e; }
.consent { display: flex !important; gap: 10px; align-items: flex-start; color: var(--muted) !important; font-weight: 400 !important; }
.consent input { width: 16px; height: 16px; margin: 2px 0 0; }
.form-submit { width: 100%; }
.form-status { min-height: 20px; margin: 12px 0 0; color: var(--green); font-size: 13px; text-align: center; }

.site-footer { padding: 72px 0 28px; background: #071425; color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.1fr; gap: 70px; }
.footer-brand img { width: 170px; height: auto; }
.footer-brand p, .footer-grid > div > p { color: rgba(255,255,255,.58); font-size: 13px; }
.footer-grid h2 { margin: 0 0 18px; color: var(--white); font-size: 13px; text-transform: uppercase; }
.footer-grid a { display: block; margin: 9px 0; color: rgba(255,255,255,.65); font-size: 13px; }
.footer-grid a:hover { color: #ffb15c; }
.footer-bottom { margin-top: 54px; padding-top: 22px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.45); font-size: 11px; }
.whatsapp-float { position: fixed; z-index: 800; right: 22px; bottom: 24px; width: 58px; height: 58px; display: grid; place-items: center; border-radius: 50%; background: #25d366; color: var(--white); box-shadow: 0 12px 28px rgba(0,0,0,.22); transition: transform .2s ease; }
.whatsapp-float:hover { transform: translateY(-3px) scale(1.03); }
.whatsapp-float svg { width: 32px; height: 32px; fill: currentColor; stroke: none; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
  :root { --section-space: 88px; }
  .main-nav { gap: 18px; }
  .main-nav a { font-size: 13px; }
  .hero h1 { font-size: 60px; }
  .stage { grid-template-columns: 64px 1fr 42%; }
  .stage-copy { padding: 50px 34px; }
  .process-rail { grid-template-columns: repeat(2, 1fr); }
  .equipment-feature, .equipment-feature.reverse { gap: 50px; }
  .service-path { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { gap: 60px; }
}

@media (max-width: 900px) {
  .nav-shell { justify-content: space-between; }
  .nav-toggle { display: block; order: 3; }
  .nav-cta { margin-left: auto; }
  .main-nav { position: fixed; inset: 84px 0 0; padding: 30px 24px 50px; display: flex; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0; background: var(--white); transform: translateX(100%); transition: transform .25s ease; }
  .site-header.menu-active .main-nav { transform: translateX(0); }
  .main-nav a { color: var(--navy); line-height: 58px; font-size: 18px; border-bottom: 1px solid var(--line); }
  .main-nav a::after { display: none; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { min-height: 700px; height: 88vh; }
  .hero h1, .hero p { width: 85%; }
  .hero h1 { font-size: 54px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid div { border-bottom: 1px solid rgba(255,255,255,.14); }
  .section-heading.split-heading { grid-template-columns: 1fr; gap: 20px; }
  .stage, .stage-two { grid-template-columns: 58px 1fr; }
  .stage > img { grid-column: 1 / -1; height: 390px; }
  .equipment-feature, .equipment-feature.reverse { grid-template-columns: 1fr; }
  .equipment-feature.reverse .equipment-image { order: initial; }
  .advantage-layout, .faq-layout { grid-template-columns: 1fr; gap: 50px; }
  .advantage-intro, .faq-intro { position: static; }
  .materials-grid { grid-template-columns: repeat(2, 1fr); }
  .case { grid-template-columns: 1fr; }
  .case-video, .case-video video { min-height: 480px; }
  .case-copy { padding: 70px 8vw; }
  .spares-list { grid-template-columns: repeat(2, 1fr); }
  .company-top { grid-template-columns: 1fr; gap: 45px; }
  .company-gallery { grid-template-columns: 1fr 1fr; }
  .company-gallery .wide { grid-column: 1 / -1; order: -1; }
  .certificate-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  :root { --section-space: 72px; }
  .shell { width: min(calc(100% - 32px), var(--shell)); }
  .site-header { height: 72px; }
  .nav-shell { width: calc(100% - 32px); gap: 12px; }
  .brand, .brand img { width: 112px; }
  .brand img { height: 40px; }
  .nav-cta { min-height: 40px; padding: 0 13px; font-size: 12px; }
  .nav-cta svg { display: none; }
  .nav-toggle { width: 40px; height: 40px; padding: 8px; }
  .main-nav { inset: 72px 0 0; }
  .hero { min-height: 680px; height: 92svh; max-height: 820px; align-items: flex-end; padding-bottom: 110px; }
  .hero-media { background-position: 59% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(5,18,38,.94) 0%, rgba(5,18,38,.62) 68%, rgba(5,18,38,.15) 100%); }
  .hero-content { padding-top: 0; }
  .hero h1, .hero p { width: 100%; }
  .hero h1 { font-size: 43px; line-height: 1.04; }
  .hero p { margin-top: 20px; font-size: 18px; line-height: 1.45; }
  .hero-actions { margin-top: 28px; flex-direction: column; align-items: stretch; gap: 18px; }
  .hero-actions .text-link { justify-content: center; }
  .hero-scroll { display: none; }
  .proof-grid div { padding: 22px 18px; }
  .proof-grid strong { font-size: 28px; }
  .proof-grid span { font-size: 11px; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .company h2, .contact h2, .case h2, .faq-intro h2 { font-size: 36px; }
  .section-heading p { font-size: 16px; }
  .stage, .stage-two { display: flex; flex-direction: column; }
  .stage-number { padding: 18px 24px; text-align: left; border-right: 0; border-bottom: 1px solid rgba(18,44,76,.12); }
  .stage-copy { padding: 34px 24px; }
  .stage h3 { font-size: 28px; }
  .stage > img { height: 310px; }
  .process-rail { grid-template-columns: 1fr; }
  .process-step { min-height: auto; padding: 22px; }
  .process-step h3 { margin-top: 24px; }
  .equipment-feature { margin-top: 44px; gap: 32px; }
  .equipment-image, .equipment-image img { min-height: 420px; }
  .equipment-copy h3 { font-size: 30px; }
  .spec-list div { grid-template-columns: 1fr; gap: 2px; }
  .advantage-intro h2 { font-size: 36px; }
  .advantage-list article { grid-template-columns: 38px 1fr; }
  .materials-grid { gap: 12px; }
  .material-card img { aspect-ratio: 1/1.12; }
  .material-card figcaption { padding: 14px; }
  .material-card strong { font-size: 16px; }
  .material-card span { font-size: 11px; }
  .spec-foot { flex-direction: column; gap: 8px; }
  .case-video, .case-video video { min-height: 300px; }
  .case-copy { padding: 62px 24px; }
  .comparison-wrap { border: 0; overflow: visible; }
  .comparison-head { display: none; }
  .comparison-row { display: grid; grid-template-columns: 1fr; margin-bottom: 14px; border: 1px solid var(--line); }
  .comparison-row > * { padding: 14px 16px; border-right: 0; }
  .comparison-row strong { background: var(--navy); color: var(--white); }
  .comparison-row span::before { display: block; margin-bottom: 3px; color: var(--muted); font-size: 10px; text-transform: uppercase; }
  .comparison-row .cronus-col::before { content: "Cronus integrated line"; }
  .comparison-row span:not(.cronus-col)::before { content: "Manual / fragmented setup"; }
  .spares-list { grid-template-columns: 1fr; }
  .spares-list > div { min-height: 210px; }
  .spares-promise { grid-template-columns: 1fr 1fr; }
  .company-media img { min-height: 360px; }
  .company-gallery { grid-template-columns: 1fr; }
  .company-gallery .wide { grid-column: auto; }
  .company-gallery figure { order: initial !important; }
  .company-gallery img { height: 270px; }
  .company-facts { grid-template-columns: 1fr 1fr; }
  .company-facts div { padding: 20px; border-bottom: 1px solid rgba(255,255,255,.15); }
  .certificate-grid { gap: 12px; }
  .certificate-grid figure { padding: 10px; }
  .certificate-grid img { height: 220px; }
  .service-path { grid-template-columns: 1fr 1fr; }
  .service-path article { min-height: 240px; }
  .service-banner { align-items: stretch; flex-direction: column; }
  .faq summary { font-size: 15px; }
  .contact { padding: 72px 0; }
  .contact-grid { gap: 44px; }
  .contact-copy { padding-right: 46px; }
  .inquiry-form { padding: 26px 20px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { flex-direction: column; gap: 10px; }
  .whatsapp-float { right: 14px; bottom: 16px; width: 52px; height: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}