:root {
  --navy: #0b2239;
  --navy-2: #123a5a;
  --ink: #142230;
  --muted: #5d6b79;
  --line: #dbe3ea;
  --soft: #f3f6f8;
  --white: #ffffff;
  --orange: #f15a2a;
  --orange-dark: #d94318;
  --teal: #0d7c78;
  --shadow-1: 0 8px 24px rgba(11, 34, 57, .08);
  --shadow-2: 0 24px 60px rgba(11, 34, 57, .16);
  --radius: 6px;
  --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, "Segoe UI", Arial, sans-serif; font-size: 16px; line-height: 1.65; letter-spacing: 0; }
body.menu-open { overflow: hidden; }
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; letter-spacing: 0; }
button { cursor: pointer; }
p, h1, h2, h3 { margin-top: 0; }
h1, h2, h3 { color: var(--navy); line-height: 1.12; letter-spacing: 0; }
h1 { font-size: 64px; max-width: 820px; margin-bottom: 26px; }
h2 { font-size: 42px; margin-bottom: 22px; }
h3 { font-size: 20px; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { padding: 110px 0; }
.section-heading { max-width: 790px; margin-bottom: 54px; }
.section-heading > p, .split-heading > p { color: var(--muted); font-size: 18px; margin-bottom: 0; }
.split-heading { max-width: none; display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .72fr); gap: 80px; align-items: end; }
.section-index { display: inline-block; margin-bottom: 14px; color: var(--orange-dark); font-size: 13px; font-weight: 800; text-transform: uppercase; }
.skip-link { position: fixed; z-index: 1000; top: -60px; left: 16px; padding: 10px 14px; color: var(--white); background: var(--navy); }
.skip-link:focus { top: 12px; }

.site-header { position: fixed; z-index: 100; top: 0; left: 0; width: 100%; height: 84px; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.16); transition: background .25s ease, color .25s ease, box-shadow .25s ease; }
.site-header.scrolled { color: var(--navy); background: rgba(255,255,255,.97); box-shadow: var(--shadow-1); border-bottom-color: transparent; }
.header-inner { width: min(calc(100% - 40px), 1380px); height: 84px; margin: 0 auto; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; min-width: 194px; gap: 10px; }
.brand-mark { width: 34px; height: 34px; overflow: hidden; display: grid; place-items: center; background: #0d4196; }
.brand-mark img { width: 102px; height: 34px; max-width: none; object-fit: cover; object-position: left center; }
.brand-name { display: flex; flex-direction: column; line-height: 1; }
.brand-name strong { font-size: 19px; }
.brand-name small { margin-top: 5px; font-size: 9px; text-transform: uppercase; opacity: .72; }
.desktop-nav { margin-left: auto; display: flex; align-items: center; gap: 24px; }
.desktop-nav a { position: relative; font-size: 14px; font-weight: 650; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; bottom: -12px; width: 0; height: 2px; background: var(--orange); transition: width .2s ease; }
.desktop-nav a:hover::after, .desktop-nav a.active::after { width: 100%; }
.header-cta { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; padding: 0 18px; color: var(--white); background: var(--orange); font-size: 14px; font-weight: 800; }
.header-cta:hover { background: var(--orange-dark); }
.header-cta svg { width: 17px; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; color: currentColor; background: transparent; border: 0; align-items: center; justify-content: center; }
.mobile-nav { display: none; position: fixed; top: 84px; left: 0; right: 0; padding: 18px 24px 30px; color: var(--navy); background: var(--white); box-shadow: var(--shadow-2); }
.mobile-nav a { padding: 12px 0; font-weight: 700; border-bottom: 1px solid var(--line); }
.mobile-nav.open { display: grid; }

.hero { position: relative; min-height: 820px; height: 92vh; max-height: 980px; display: flex; align-items: center; color: var(--white); overflow: hidden; }
.hero-media { position: absolute; inset: 0; background: url("asset/hero-machine.webp") center 48% / cover no-repeat; transform: scale(1.02); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,23,39,.92) 0%, rgba(6,23,39,.72) 42%, rgba(6,23,39,.20) 74%, rgba(6,23,39,.05) 100%); }
.hero-content { position: relative; z-index: 1; padding-top: 70px; }
.hero-copy { max-width: 850px; }
.hero h1 { color: var(--white); }
.hero-copy > p { max-width: 720px; color: rgba(255,255,255,.86); font-size: 20px; line-height: 1.7; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 22px; border: 1px solid transparent; border-radius: 2px; font-weight: 800; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 19px; }
.button-primary { color: var(--white); background: var(--orange); }
.button-primary:hover { background: var(--orange-dark); }
.button-ghost { color: var(--white); border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.08); }
.button-ghost:hover { border-color: var(--white); background: rgba(255,255,255,.16); }
.hero-proof { margin-top: 54px; display: flex; gap: 42px; }
.hero-proof div { padding-left: 16px; border-left: 2px solid var(--orange); }
.hero-proof strong, .hero-proof span { display: block; }
.hero-proof strong { color: var(--white); font-size: 28px; line-height: 1; }
.hero-proof span { margin-top: 9px; color: rgba(255,255,255,.72); font-size: 12px; text-transform: uppercase; }
.hero-scroll { position: absolute; z-index: 2; left: 50%; bottom: 34px; width: 44px; height: 44px; display: grid; place-items: center; color: var(--white); border: 1px solid rgba(255,255,255,.45); border-radius: 50%; animation: float 2s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(6px); } }

.quick-specs { position: relative; z-index: 2; margin-top: -1px; color: var(--white); background: var(--navy); }
.quick-spec-grid { min-height: 132px; display: grid; grid-template-columns: 1.25fr repeat(3, 1fr); align-items: stretch; }
.quick-intro, .quick-item { padding: 30px 32px; display: flex; align-items: center; border-right: 1px solid rgba(255,255,255,.13); }
.quick-intro { flex-direction: column; align-items: flex-start; justify-content: center; background: var(--orange); }
.quick-intro span, .quick-item small { display: block; font-size: 11px; text-transform: uppercase; opacity: .76; }
.quick-intro strong { margin-top: 6px; font-size: 20px; }
.quick-item { gap: 14px; }
.quick-item svg { width: 25px; color: #55c4be; }
.quick-item strong { display: block; margin-top: 4px; font-size: 18px; }

.technology { background: var(--white); }
.process-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 80px; align-items: center; }
.product-cutaway { margin: 0; position: relative; background: var(--soft); box-shadow: var(--shadow-2); }
.product-cutaway img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center; }
.product-cutaway figcaption { position: absolute; left: 18px; bottom: 18px; padding: 8px 12px; color: var(--white); background: rgba(11,34,57,.86); font-size: 12px; }
.process-steps { padding: 0; margin: 0; list-style: none; }
.process-steps li { display: grid; grid-template-columns: 52px 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.process-steps li > span { width: 42px; height: 42px; display: grid; place-items: center; color: var(--white); background: var(--navy); font-weight: 800; }
.process-steps h3 { margin: 2px 0 8px; }
.process-steps p { color: var(--muted); margin: 0; }
.structure-strip { margin-top: 64px; display: grid; grid-template-columns: repeat(7, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.structure-strip span { padding: 18px 12px; text-align: center; font-size: 12px; font-weight: 800; text-transform: uppercase; border-right: 1px solid var(--line); }
.structure-strip span:last-child { border-right: 0; }

.advantages { color: var(--white); background: linear-gradient(145deg, var(--navy) 0%, #113e5b 70%, #0c6e6a 145%); }
.advantages .section-heading h2 { color: var(--white); }
.advantages .section-heading p { color: rgba(255,255,255,.72); }
.advantages .section-index { color: #ff906e; }
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.advantage-item { min-height: 280px; position: relative; padding: 38px 36px; border: 1px solid rgba(255,255,255,.16); }
.advantage-item svg { width: 34px; height: 34px; color: #59c8c1; }
.advantage-item > span { position: absolute; top: 36px; right: 34px; color: rgba(255,255,255,.34); font-size: 13px; }
.advantage-item h3 { margin: 42px 0 12px; color: var(--white); }
.advantage-item p { margin: 0; color: rgba(255,255,255,.66); }

.specifications { background: var(--soft); }
.table-wrap { overflow-x: auto; background: var(--white); box-shadow: var(--shadow-1); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 18px 20px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
thead th { color: var(--white); background: var(--navy); font-size: 12px; text-transform: uppercase; }
tbody th { color: var(--orange-dark); font-size: 17px; }
tbody tr:hover { background: #f8fbfc; }
.spec-note { margin-top: 24px; padding: 20px 22px; display: flex; gap: 14px; color: #385066; background: #e6f0f3; border-left: 4px solid var(--teal); }
.spec-note svg { width: 20px; min-width: 20px; margin-top: 3px; }
.spec-note p { margin: 0; }

.material-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 350px; gap: 18px; }
.material-grid article { position: relative; overflow: hidden; color: var(--white); background: var(--navy); }
.material-grid article:first-child { grid-row: span 2; }
.material-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.material-grid article:hover img { transform: scale(1.04); }
.material-grid article::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(5,20,34,.92)); }
.material-grid article > div { position: absolute; z-index: 2; left: 26px; right: 26px; bottom: 24px; }
.material-grid h3 { color: var(--white); margin-bottom: 8px; }
.material-grid p { color: rgba(255,255,255,.76); margin: 0; font-size: 14px; }

.cases { background: var(--soft); }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.video-item { background: var(--white); box-shadow: var(--shadow-1); }
.video-item video { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; background: #071523; }
.video-item > div { padding: 22px 24px 26px; }
.video-item span { color: var(--orange-dark); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.video-item h3 { margin: 8px 0 0; }

.comparison { background: var(--white); }
.comparison-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 70px; align-items: start; }
.comparison-copy { position: sticky; top: 120px; }
.comparison-copy p { color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--orange-dark); font-weight: 800; }
.text-link svg { width: 18px; transition: transform .2s ease; }
.text-link:hover svg { transform: translateX(4px); }
.comparison-table { overflow-x: auto; border: 1px solid var(--line); }
.comparison-table th, .comparison-table td { white-space: normal; vertical-align: top; }
.comparison-table thead th:first-child { background: #123a5a; }
.comparison-table thead th:nth-child(2) { background: var(--teal); }
.comparison-table tbody th { width: 180px; color: var(--navy); font-size: 14px; }
.comparison-table tbody td:nth-child(2) { background: #f0f9f8; }

.wear-parts { background: var(--soft); }
.parts-layout { display: grid; grid-template-columns: 1.08fr .92fr; box-shadow: var(--shadow-2); }
.parts-layout > img { width: 100%; height: 100%; object-fit: cover; }
.parts-list { padding: 22px 42px; background: var(--white); }
.parts-list > div { padding: 20px 0; display: flex; gap: 18px; border-bottom: 1px solid var(--line); }
.parts-list > div:last-child { border-bottom: 0; }
.parts-list svg { min-width: 24px; color: var(--orange); }
.parts-list strong { display: block; margin-bottom: 3px; color: var(--navy); }
.parts-list span { color: var(--muted); }

.company { min-height: 650px; position: relative; display: flex; align-items: center; overflow: hidden; color: var(--white); }
.company > video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.company-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,29,49,.93), rgba(7,29,49,.55), rgba(7,29,49,.12)); }
.company-content { position: relative; z-index: 1; }
.company-content h2 { max-width: 750px; color: var(--white); font-size: 48px; }
.company-content > p { max-width: 720px; color: rgba(255,255,255,.82); font-size: 18px; }
.company-stats { margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); max-width: 860px; }
.company-stats div { padding: 18px 24px; border-left: 2px solid var(--orange); }
.company-stats strong, .company-stats span { display: block; }
.company-stats strong { color: var(--white); font-size: 26px; }
.company-stats span { margin-top: 5px; color: rgba(255,255,255,.66); font-size: 12px; text-transform: uppercase; }

.credentials { background: var(--white); }
.company-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.company-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.company-gallery img { width: 100%; height: 220px; object-fit: cover; object-position: center 55%; }
.company-gallery .gallery-main { grid-column: 1 / -1; height: 360px; object-position: center 72%; }
.credentials-copy > p { color: var(--muted); }
.check-list { padding: 0; margin: 30px 0; list-style: none; }
.check-list li { padding: 10px 0; display: flex; gap: 12px; font-weight: 700; }
.check-list svg { width: 20px; color: var(--teal); }
.certificate-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.certificate-thumb { position: relative; height: 168px; padding: 0; overflow: hidden; background: #eef2f4; border: 1px solid var(--line); border-radius: 2px; }
.certificate-thumb::after { content: ""; position: absolute; inset: 0; border: 3px solid transparent; transition: border-color .2s ease, background .2s ease; }
.certificate-thumb:hover::after, .certificate-thumb:focus-visible::after { border-color: var(--orange); background: rgba(11,34,57,.08); }
.certificate-thumb img { width: 100%; height: 100%; object-fit: cover; }
.certificate-thumb.certificate-landscape img { object-position: center; }
.certificate-thumb.certificate-portrait img { object-position: center 18%; }
.certificate-dialog { width: min(92vw, 860px); max-height: 90vh; padding: 0; overflow: hidden; border: 0; border-radius: var(--radius); box-shadow: var(--shadow-2); }
.certificate-dialog::backdrop { background: rgba(4,18,31,.82); }
.certificate-dialog-head { min-height: 64px; padding: 0 18px 0 24px; display: flex; align-items: center; justify-content: space-between; color: var(--white); background: var(--navy); }
.certificate-dialog-head h2 { margin: 0; color: var(--white); font-size: 18px; }
.certificate-dialog-head button { width: 42px; height: 42px; display: grid; place-items: center; padding: 0; color: var(--white); background: transparent; border: 0; }
.certificate-dialog-head svg { width: 22px; }
.certificate-dialog > img { width: 100%; height: min(78vh, 820px); padding: 22px; object-fit: contain; background: #eef2f4; }

.service { background: var(--soft); }
.service-timeline { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service-timeline article { position: relative; min-height: 290px; padding: 34px 26px; border-right: 1px solid var(--line); }
.service-timeline article:last-child { border-right: 0; }
.service-timeline article > span { position: absolute; top: 30px; right: 20px; color: #9cabb7; font-size: 12px; }
.service-timeline svg { width: 30px; color: var(--orange); }
.service-timeline h3 { margin: 40px 0 12px; }
.service-timeline p { margin: 0; color: var(--muted); font-size: 14px; }
.operation-band { margin-top: 50px; padding: 32px 38px; display: flex; align-items: center; justify-content: space-between; gap: 40px; color: var(--white); background: var(--teal); }
.operation-band h3 { color: var(--white); margin-bottom: 8px; }
.operation-band p { max-width: 840px; margin: 0; color: rgba(255,255,255,.78); }
.button-light { color: var(--navy); background: var(--white); white-space: nowrap; }

.faq { background: var(--white); }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; align-items: start; }
.faq-intro { position: sticky; top: 120px; }
.faq-intro > p { color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 22px 4px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--navy); font-weight: 800; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary svg { width: 18px; min-width: 18px; transition: transform .2s ease; }
.faq-list details[open] summary svg { transform: rotate(45deg); color: var(--orange); }
.faq-list details p { padding: 0 36px 24px 4px; margin: 0; color: var(--muted); }

.contact { padding: 110px 0; color: var(--white); background: linear-gradient(135deg, #081b2d 0%, var(--navy-2) 70%, #0b5959 130%); }
.contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.contact-copy h2 { color: var(--white); }
.contact-copy > p { color: rgba(255,255,255,.72); font-size: 18px; }
.contact-points { margin-top: 40px; display: grid; gap: 22px; }
.contact-points a, .contact-points > div { display: flex; align-items: flex-start; gap: 14px; }
.contact-points svg { width: 22px; min-width: 22px; color: #5ac8c0; }
.contact-points span { line-height: 1.45; }
.contact-points small { display: block; margin-bottom: 4px; color: rgba(255,255,255,.5); text-transform: uppercase; }
.inquiry-form { padding: 42px; color: var(--ink); background: var(--white); box-shadow: var(--shadow-2); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.inquiry-form label { display: grid; gap: 7px; margin-bottom: 17px; color: var(--navy); font-size: 13px; font-weight: 800; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { width: 100%; padding: 13px 14px; color: var(--ink); background: #f8fafb; border: 1px solid var(--line); border-radius: 2px; outline: none; }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(13,124,120,.10); }
.inquiry-form textarea { resize: vertical; }
.consent { display: flex !important; grid-template-columns: 18px 1fr; align-items: start; color: var(--muted) !important; font-weight: 500 !important; }
.consent input { width: 18px; margin-top: 2px; }
.form-submit { width: 100%; border: 0; }
.form-status { min-height: 24px; margin: 12px 0 0; color: var(--orange-dark); font-size: 13px; text-align: center; }

.site-footer { padding: 70px 0 0; color: rgba(255,255,255,.68); background: #061522; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 60px; padding-bottom: 50px; }
.site-footer .brand { color: var(--white); }
.footer-brand p { max-width: 360px; margin: 25px 0 0; }
.footer-grid h3 { color: var(--white); font-size: 15px; }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 10px; }
.footer-grid a:hover { color: var(--white); }
.footer-bottom { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; }
.whatsapp-float { position: fixed; z-index: 80; right: 22px; bottom: 22px; min-height: 50px; padding: 0 17px; display: flex; align-items: center; gap: 9px; color: var(--white); background: #128c7e; border-radius: 25px; box-shadow: 0 12px 30px rgba(0,0,0,.22); font-weight: 800; }
.whatsapp-float:hover { background: #087565; }
.whatsapp-float svg { width: 22px; }

/* Keep the required 53KF entry point without allowing its timed invitation to cover page content. */
body #inv_box_53kf { display: none !important; }
body #icon_module { left: auto !important; right: 22px !important; top: auto !important; bottom: 84px !important; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1180px) {
  .desktop-nav { gap: 16px; }
  .desktop-nav a { font-size: 13px; }
  .header-cta span { display: none; }
  .header-cta { width: 44px; padding: 0; justify-content: center; }
  h1 { font-size: 56px; }
  .structure-strip { grid-template-columns: repeat(4, 1fr); }
  .structure-strip span { border-bottom: 1px solid var(--line); }
  .service-timeline { grid-template-columns: repeat(3, 1fr); }
  .service-timeline article { border-bottom: 1px solid var(--line); }
}

@media (max-width: 980px) {
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: flex; margin-left: auto; }
  .site-header.menu-active { color: var(--navy); background: var(--white); }
  h1 { font-size: 48px; }
  h2 { font-size: 36px; }
  .section { padding: 84px 0; }
  .split-heading, .process-layout, .comparison-layout, .company-grid, .faq-layout, .contact-layout { grid-template-columns: 1fr; gap: 46px; }
  .split-heading { align-items: start; }
  .quick-spec-grid { grid-template-columns: repeat(3, 1fr); }
  .quick-intro { grid-column: 1 / -1; min-height: 92px; }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .material-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .comparison-copy, .faq-intro { position: static; }
  .company-stats { grid-template-columns: repeat(2, 1fr); }
  .service-timeline { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2 / 4; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .header-inner { width: calc(100% - 24px); }
  .hero { min-height: 760px; height: 100svh; max-height: 900px; align-items: flex-end; }
  .hero-content { padding: 150px 0 100px; }
  .hero-media { background-position: 60% center; }
  .hero-overlay { background: linear-gradient(0deg, rgba(5,20,34,.96) 0%, rgba(5,20,34,.76) 62%, rgba(5,20,34,.24) 100%); }
  h1 { font-size: 40px; }
  h2 { font-size: 32px; }
  .hero-copy > p { font-size: 17px; line-height: 1.6; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-proof { gap: 18px; }
  .hero-proof div { padding-left: 10px; }
  .hero-proof strong { font-size: 23px; }
  .hero-proof span { font-size: 9px; }
  .hero-scroll { display: none; }
  .quick-spec-grid { grid-template-columns: 1fr; }
  .quick-intro { grid-column: auto; }
  .quick-item, .quick-intro { min-height: 96px; padding: 22px 24px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
  .section { padding: 72px 0; }
  .section-heading { margin-bottom: 38px; }
  .section-heading > p, .split-heading > p { font-size: 16px; }
  .process-layout { gap: 36px; }
  .process-steps li { grid-template-columns: 42px 1fr; gap: 14px; }
  .process-steps li > span { width: 36px; height: 36px; }
  .structure-strip { grid-template-columns: repeat(2, 1fr); margin-top: 42px; }
  .advantage-grid { grid-template-columns: 1fr; }
  .advantage-item { min-height: 240px; padding: 30px 28px; }
  .material-grid { grid-template-columns: 1fr; grid-auto-rows: 310px; }
  .material-grid article:first-child { grid-row: auto; }
  .video-grid { grid-template-columns: 1fr; }
  .video-item video { aspect-ratio: 4 / 5; }
  .parts-layout { grid-template-columns: 1fr; }
  .parts-layout > img { aspect-ratio: 16 / 10; }
  .parts-list { padding: 16px 24px; }
  .company { min-height: 760px; align-items: flex-end; }
  .company-content { padding-bottom: 70px; }
  .company-overlay { background: linear-gradient(0deg, rgba(7,29,49,.96), rgba(7,29,49,.58), rgba(7,29,49,.18)); }
  .company-content h2 { font-size: 36px; }
  .company-stats { grid-template-columns: repeat(2, 1fr); }
  .company-stats div { padding: 14px 12px; }
  .certificate-grid { grid-template-columns: repeat(2, 1fr); }
  .company-gallery .gallery-main { height: 280px; }
  .company-gallery img { height: 180px; }
  .certificate-thumb { height: 138px; }
  .certificate-dialog > img { height: 75vh; padding: 12px; }
  .service-timeline { grid-template-columns: 1fr; }
  .service-timeline article { min-height: 230px; border-right: 0; }
  .operation-band { padding: 28px 24px; align-items: flex-start; flex-direction: column; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .inquiry-form { padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { padding: 20px 0; flex-direction: column; align-items: flex-start; }
  .whatsapp-float { width: 50px; padding: 0; justify-content: center; }
  .whatsapp-float span { display: none; }
  body #icon_module { right: 84px !important; bottom: 22px !important; transform: scale(.7) !important; transform-origin: right bottom !important; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}