:root {
  --navy: #174a72;
  --navy-2: #216591;
  --steel: #2f7fb1;
  --ink: #173247;
  --muted: #607486;
  --line: #dce6ef;
  --soft: #f4f8fc;
  --blue: #0b6dcc;
  --blue-dark: #075fbd;
  --cyan: #58b8ff;
  --orange: #f58a2b;
  --white: #fff;
  --radius: 8px;
  --shadow: 0 12px 32px rgba(23, 74, 114, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 3px solid #fff; outline-offset: 2px; box-shadow: 0 0 0 5px var(--blue-dark); }
.skip-link { position: fixed; z-index: 100; top: 10px; left: 10px; padding: 10px 14px; color: #fff; background: var(--navy); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.eyebrow { margin: 0 0 12px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 20px; font-size: clamp(42px, 5vw, 64px); line-height: 1.06; letter-spacing: -.04em; }
h2 { margin-bottom: 14px; font-size: clamp(30px, 3.5vw, 42px); line-height: 1.12; letter-spacing: -.03em; }
h3 { margin-bottom: 8px; font-size: 21px; line-height: 1.2; }
.lead { max-width: 660px; color: #d9e6ed; font-size: 18px; }
.section-copy { max-width: 620px; color: var(--muted); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 32px; }
.section-head p { max-width: 520px; margin-bottom: 4px; color: var(--muted); }
.section { padding: 82px 0; }
.section.soft { background: var(--soft); }
.compact { padding: 62px 0; }

.site-header { position: sticky; z-index: 50; top: 0; border-bottom: 1px solid var(--line); background: #fff; }
.site-strap { color: #d9e8f4; background: var(--navy); font-size: 11px; }
.site-strap .container { display: flex; min-height: 28px; align-items: center; justify-content: space-between; gap: 20px; }
.site-strap a { color: #fff; font-weight: 700; }
.nav-wrap { display: flex; min-height: 74px; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; min-width: 170px; align-items: center; gap: 10px; color: var(--navy); }
.brand .brand-mark { flex: 0 0 40px; width: 40px; height: 40px; object-fit: contain; }
.brand span { display: flex; flex-direction: column; gap: 4px; }
.brand b { font-size: 19px; line-height: 1; letter-spacing: 2.7px; }
.brand small { color: #738596; font-size: 7px; font-weight: 760; line-height: 1; letter-spacing: 1.35px; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link { display: flex; min-height: 74px; align-items: center; gap: 7px; padding: 0 11px; color: #263746; font-size: 13px; font-weight: 680; }
.nav-link:hover, .nav-link:focus-visible, .nav-link.active { color: var(--blue); }
.chev { width: 7px; height: 7px; border-right: 1.7px solid currentColor; border-bottom: 1.7px solid currentColor; transform: rotate(45deg) translateY(-2px); }
.dropdown { position: absolute; top: calc(100% - 6px); left: 0; display: grid; visibility: hidden; min-width: 270px; padding: 10px; border: 1px solid var(--line); border-radius: 7px; background: #fff; box-shadow: var(--shadow); opacity: 0; transform: translateY(8px); transition: .18s ease; }
.dropdown.wide { grid-template-columns: 1fr 1fr; min-width: 520px; }
.dropdown a { padding: 11px 12px; border-radius: 9px; color: #344756; font-size: 13px; font-weight: 650; }
.dropdown a:hover { color: var(--blue); background: var(--soft); }
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown { visibility: visible; opacity: 1; transform: translateY(0); }
.quote-link, .btn { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 9px; padding: 0 19px; border: 1px solid transparent; border-radius: 6px; background: var(--blue); color: #fff; font-weight: 760; transition: .2s ease; }
.quote-link:hover, .btn:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn.secondary { border-color: rgba(255,255,255,.42); background: transparent; }
.btn.secondary:hover { background: rgba(255,255,255,.12); }
.btn.light { border-color: var(--line); background: #fff; color: var(--ink); }
.btn.light:hover { color: var(--blue); background: var(--soft); }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink); }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ""; display: block; width: 18px; height: 2px; margin: 4px auto; background: currentColor; }
.dropdown-overview, .mobile-quote-link { display: none; }

.hero { position: relative; display: grid; min-height: 590px; place-items: center; overflow: hidden; color: #fff; background: var(--navy); }
.hero > img { position: absolute; inset: 0; height: 100%; object-fit: cover; opacity: .72; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(23,74,114,.94) 0%, rgba(23,74,114,.80) 46%, rgba(23,74,114,.24) 100%); }
.hero-content { position: relative; z-index: 2; width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 88px 0 72px; }
.hero .eyebrow, .page-hero .eyebrow, .quality-chapter .eyebrow, .rfq-panel .eyebrow, .quality-deliverables .eyebrow { color: #9bd8ff; }
.proof-strip { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 52px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.23); color: #d4e0e7; font-size: 13px; font-weight: 680; }
.proof-strip span::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: var(--cyan); }
.page-hero { position: relative; display: grid; min-height: 410px; place-items: end start; overflow: hidden; color: #fff; background: var(--navy); }
.page-hero > img { position: absolute; inset: 0; height: 100%; object-fit: cover; opacity: .42; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(23,74,114,.94), rgba(23,74,114,.55) 70%, rgba(23,74,114,.16)); }
.page-hero .container { position: relative; z-index: 2; padding-top: 120px; padding-bottom: 62px; }
.page-hero h1 { max-width: 900px; font-size: clamp(40px, 5vw, 66px); }

.visual-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.visual-card { display: flex; min-height: 0; flex-direction: column; overflow: hidden; isolation: isolate; border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); background: #eef6ff; }
.visual-card > img { height: 270px; padding: 18px; object-fit: contain; object-position: center; background: #eef6ff; filter: brightness(1.14) contrast(1.04); mix-blend-mode: multiply; transition: transform .3s ease; }
.visual-card::after { display: none; }
.visual-card:hover { border-color: #b9d8f0; box-shadow: var(--shadow); }
.visual-card:hover > img { transform: translateY(-3px); }
.visual-card-content { position: static; display: grid; flex: 1; grid-template-rows: auto 1fr auto; padding: 24px; background: #fff; }
.visual-card p { margin-bottom: 17px; color: var(--muted); font-size: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: inherit; font-size: 13px; font-weight: 800; }
.text-link::after { content: "→"; transition: transform .18s ease; }
.text-link:hover::after { transform: translateX(4px); }
.text-link.blue { color: var(--blue); }

.route-grid, .feature-grid, .case-grid, .guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.route, .feature, .guide { padding: 28px; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.route .number, .feature .number { display: grid; width: 36px; height: 36px; margin-bottom: 30px; place-items: center; border-radius: 50%; color: var(--blue); background: #e9f4fb; font-size: 12px; font-weight: 850; }
.route p, .feature p, .guide p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.qualification-center { background: linear-gradient(180deg, #fff 0, #fff 16%, #f5f9fc 16%, #f5f9fc 100%); }
.quality-intro { margin-bottom: 24px; }
.quality-disclaimer { display: grid; grid-template-columns: 170px 1fr; gap: 22px; margin-bottom: 22px; padding: 17px 20px; border-left: 3px solid var(--blue); color: #4f6473; background: #edf6fc; font-size: 13px; }
.quality-disclaimer strong { color: var(--navy); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.quality-index { display: grid; grid-template-columns: repeat(6, 1fr); margin-bottom: 32px; border: 1px solid var(--line); background: #fff; }
.quality-index a { display: grid; gap: 4px; padding: 14px 13px; border-right: 1px solid var(--line); color: #4b6170; font-size: 11px; font-weight: 760; }
.quality-index a:last-child { border-right: 0; }
.quality-index a:hover { color: var(--blue); background: #f1f8fd; }
.quality-index b { color: var(--blue); font-size: 11px; }
.quality-index.four { grid-template-columns: repeat(4, 1fr); }
.quality-chapter { margin: 62px 0 6px; padding: clamp(30px, 5vw, 54px); border-top: 4px solid var(--blue); background: var(--navy); color: #dbe9f1; }
.quality-chapter h2 { max-width: 820px; margin-bottom: 14px; color: #fff; font-size: clamp(30px, 4vw, 48px); }
.quality-chapter p:last-child { max-width: 850px; margin: 0; color: #c8d9e3; font-size: 14px; }
.reliability-carousel { position: relative; margin: 0 0 28px; padding: 52px 0 6px; overflow: hidden; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); background: #fff; }
.reliability-carousel::before, .reliability-carousel::after { content: ""; position: absolute; z-index: 2; top: 0; bottom: 0; width: 70px; pointer-events: none; }
.reliability-carousel::before { left: 0; background: linear-gradient(90deg, #fff, rgba(255,255,255,0)); }
.reliability-carousel::after { right: 0; background: linear-gradient(270deg, #fff, rgba(255,255,255,0)); }
.reliability-track { display: flex; width: max-content; animation: reliability-marquee 42s linear infinite; will-change: transform; }
.reliability-carousel:hover .reliability-track, .reliability-carousel:focus-within .reliability-track, .reliability-carousel.paused .reliability-track { animation-play-state: paused; }
.carousel-toggle { position: absolute; z-index: 4; top: 10px; right: 12px; min-height: 32px; padding: 0 11px; border: 1px solid var(--line); border-radius: 4px; color: var(--navy); background: #fff; font-size: 11px; font-weight: 760; }
.reliability-group { display: flex; gap: 18px; padding-right: 18px; }
.reliability-card { flex: 0 0 clamp(280px, 29vw, 360px); width: clamp(280px, 29vw, 360px); margin: 0; overflow: hidden; border: 1px solid #dce8ef; background: #fff; }
.reliability-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.reliability-card figcaption { display: grid; gap: 5px; padding: 16px 17px 17px; border-top: 3px solid var(--blue); }
.reliability-card b { color: var(--navy); font-size: 13px; }
.reliability-card span { color: var(--muted); font-size: 11px; }
@keyframes reliability-marquee { to { transform: translateX(-50%); } }
.quality-stage { display: grid; grid-template-columns: 1.13fr .87fr; min-height: 470px; margin-top: 26px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: 0 12px 28px rgba(23,74,114,.07); }
.quality-stage.reverse { grid-template-columns: .87fr 1.13fr; }
.quality-stage.reverse .quality-stage-media { order: 2; }
.quality-stage-media { position: relative; margin: 0; overflow: hidden; background: #dfeaf1; }
.quality-stage-media img { height: 100%; min-height: 470px; object-fit: cover; }
.quality-stage-media::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.18); pointer-events: none; }
.quality-stage-media figcaption { position: absolute; right: 14px; bottom: 14px; padding: 7px 10px; border-radius: 4px; color: #e9f3f8; background: rgba(15,49,73,.82); font-size: 10px; font-weight: 720; letter-spacing: .03em; }
.quality-stage-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(34px, 4.8vw, 60px); }
.quality-stage-copy h3 { margin-bottom: 15px; color: var(--navy); font-size: clamp(25px, 2.4vw, 34px); letter-spacing: -.025em; }
.quality-stage-copy > p:not(.quality-note) { margin-bottom: 20px; color: #4f6574; font-size: 15px; }
.quality-stage-index { margin-bottom: 14px; color: var(--blue); font-size: 11px; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.quality-points { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; color: #263d4c; font-size: 13px; }
.quality-points li { display: flex; align-items: flex-start; gap: 10px; padding-bottom: 10px; border-bottom: 1px solid #e6eef3; }
.quality-points li::before { content: ""; flex: 0 0 7px; width: 7px; height: 7px; margin-top: 7px; border-radius: 50%; background: var(--blue); }
.quality-note { margin: 19px 0 0; padding-top: 14px; border-top: 1px solid var(--line); color: #526b7c; font-size: 11px; }
.project-tests { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; margin-top: 28px; padding: clamp(30px, 5vw, 54px); border: 1px solid var(--line); background: #fff; }
.project-tests h3 { color: var(--navy); font-size: clamp(25px, 3vw, 36px); }
.project-tests p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
.project-test-grid { display: grid; gap: 0; }
.project-test-grid article { display: grid; grid-template-columns: 180px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.project-test-grid article:first-child { padding-top: 0; }
.project-test-grid article:last-child { padding-bottom: 0; border-bottom: 0; }
.project-test-grid b { color: var(--ink); font-size: 13px; }
.project-test-grid span { color: var(--muted); font-size: 12px; }
.quality-deliverables { display: grid; grid-template-columns: .75fr 1.25fr; gap: 45px; margin-top: 28px; padding: clamp(30px, 5vw, 54px); color: #fff; background: var(--navy); }
.quality-deliverables h3 { max-width: 360px; margin-bottom: 0; font-size: clamp(25px, 3vw, 36px); }
.quality-deliverables ul { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; margin: 0; padding: 0; list-style: none; }
.quality-deliverables li { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.17); color: #d4e3ec; font-size: 13px; }
.quality-deliverables li::before { content: "✓"; margin-right: 9px; color: #65c5ff; font-weight: 900; }
.image-split { display: grid; grid-template-columns: 1.08fr .92fr; min-height: 540px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); }
.image-split > img { height: 100%; object-fit: cover; }
.image-split-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(38px, 6vw, 76px); }
.image-split-copy p { color: var(--muted); }
.check-list { display: grid; gap: 15px; margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink); font-size: 14px; }
.check-list li::before { content: "✓"; color: var(--blue); font-weight: 900; }
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cert { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.cert-sheet { position: relative; width: min(100% - 24px, 255px); aspect-ratio: .706; margin: 12px auto 0; overflow: hidden; background: #fff; }
.cert-sheet img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.cert-redaction { position: absolute; z-index: 2; display: block; border: 1px solid rgba(255,255,255,.68); border-radius: 3px; background: rgba(248,250,251,.54); box-shadow: 0 0 8px rgba(255,255,255,.75); backdrop-filter: blur(11px) saturate(.55); -webkit-backdrop-filter: blur(11px) saturate(.55); }
.cert-sheet-iso .cert-redaction { top: 27.8%; left: 25.5%; width: 49%; height: 4.7%; }
.cert-sheet-iatf .cert-redaction { top: 23.3%; left: 20.5%; width: 58%; height: 4.8%; }
.cert figcaption { padding: 14px 16px; color: var(--muted); font-size: 12px; }
.case-card { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.case-card img { height: 250px; object-fit: cover; }
.case-card-copy { display: grid; flex: 1; grid-template-rows: auto 1fr auto; padding: 22px; }
.case-card p { margin-bottom: 16px; color: var(--muted); font-size: 14px; }

.product-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.product-detail-card { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.product-detail-card > img { width: 100%; height: 390px; padding: 20px; object-fit: contain; object-position: center; background: #eef6ff; filter: brightness(1.12) contrast(1.04); mix-blend-mode: multiply; }
.product-detail-copy { display: flex; flex: 1; flex-direction: column; padding: 26px; }
.product-detail-copy .section-copy { min-height: 4.8em; }
.product-detail-copy .text-link { margin-top: auto; padding-top: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 24px; }
.chip { padding: 7px 11px; border-radius: 4px; color: #22526e; background: #eaf4f8; font-size: 12px; font-weight: 760; }
.spec-list { display: grid; gap: 12px; padding: 0; list-style: none; color: var(--muted); font-size: 14px; }
.spec-list li { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.spec-list strong { color: var(--ink); }
.industry-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.industry-card { position: relative; grid-column: span 4; min-height: 310px; overflow: hidden; border-radius: 18px; color: #fff; background: #102638; }
.industry-card.wide { grid-column: span 6; }
.industry-card img { height: 100%; object-fit: cover; opacity: .72; }
.industry-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,20,31,.91), transparent 72%); }
.industry-card div { position: absolute; z-index: 2; right: 0; bottom: 0; left: 0; padding: 23px; }
.industry-card p { margin-bottom: 0; color: #d7e4ea; font-size: 13px; }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; padding: 18px 0; }
.step { position: relative; padding: 22px 22px 22px 0; border-top: 2px solid #cfe2ed; }
.step::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border-radius: 50%; background: var(--blue); }
.step b { display: block; margin-bottom: 5px; font-size: 14px; }
.step span { color: var(--muted); font-size: 12px; }
.network-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.network-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.network-card img { height: 350px; object-fit: cover; }
.network-card div { padding: 20px; }
.network-card p { margin: 0; color: var(--muted); font-size: 13px; }

.rfq-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; padding: clamp(28px, 5vw, 62px); border-radius: 8px; background: var(--navy); color: #fff; }
.rfq-panel p { color: #cbdbe4; }
.rfq-panel .check-list li { color: #dceaf2; }
.rfq-panel .check-list li::before { color: #65c5ff; }
.rfq-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { color: #cfdee6; font-size: 12px; font-weight: 700; }
.field input, .field select, .field textarea { box-sizing: border-box; width: 100%; min-width: 0; max-width: 100%; min-height: 46px; padding: 11px 13px; border: 1px solid rgba(255,255,255,.25); border-radius: 10px; outline: none; color: #fff; background: rgba(255,255,255,.08); }
.field input::placeholder, .field textarea::placeholder { color: #d2dce2; }
.field select option { color: #111; }
.field textarea { min-height: 112px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(88,184,255,.28); }
.form-note { grid-column: 1 / -1; color: #b7c6ce; font-size: 11px; }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 42px; border-radius: 8px; background: #eaf4f8; }
.cta-band h2 { max-width: 690px; margin: 0; font-size: clamp(28px, 4vw, 45px); }

.site-footer { padding: 55px 0 24px; color: #c8d5dc; background: #123f63; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 36px; }
.footer-brand-logo { display: inline-flex; margin-bottom: 17px; align-items: center; gap: 10px; color: #fff; }
.footer-brand-logo img { width: 42px; height: 42px; }
.footer-brand-logo span { display: flex; flex-direction: column; gap: 4px; }
.footer-brand-logo b { font-size: 19px; line-height: 1; letter-spacing: 2.7px; }
.footer-brand-logo small { color: #9eb0ba; font-size: 7px; font-weight: 760; line-height: 1; letter-spacing: 1.35px; }
.footer-brand p { max-width: 320px; color: #9eb0ba; font-size: 13px; }
.footer-col h3 { color: #fff; font-size: 13px; }
.footer-col a { display: block; margin: 8px 0; color: #aebdc6; font-size: 12px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.13); color: #aebdc6; font-size: 11px; }

@media (max-width: 1040px) {
  .menu-toggle { display: block; }
  .quote-link { display: none; }
  .main-nav { position: fixed; top: 102px; right: 0; left: 0; display: none; max-height: calc(100vh - 102px); padding: 14px 20px 28px; overflow-y: auto; border-top: 1px solid var(--line); background: #fff; }
  .main-nav.open { display: block; }
  .nav-link { min-height: 48px; padding: 0; border-bottom: 1px solid var(--line); }
  .dropdown, .dropdown.wide { position: static; display: none; visibility: visible; grid-template-columns: 1fr; min-width: 0; padding: 6px 0 10px 14px; border: 0; box-shadow: none; opacity: 1; transform: none; }
  .nav-item.open .dropdown { display: grid; }
  .dropdown-overview { display: block; color: var(--blue); font-weight: 800; }
  .mobile-quote-link { display: flex; width: 100%; min-height: 46px; margin-top: 18px; align-items: center; justify-content: center; border-radius: 6px; color: #fff; background: var(--blue); font-weight: 760; }
  .visual-grid, .route-grid, .feature-grid, .case-grid, .guide-grid, .cert-grid, .product-detail-grid { grid-template-columns: 1fr 1fr; }
  .quality-index { grid-template-columns: repeat(3, 1fr); }
  .quality-index.four { grid-template-columns: repeat(4, 1fr); }
  .quality-index.four a { border-bottom: 0; }
  .quality-index.four a:nth-child(3) { border-right: 1px solid var(--line); }
  .quality-index a:nth-child(3) { border-right: 0; }
  .quality-index a:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .visual-card:last-child, .route:last-child { grid-column: 1 / -1; }
  .feature-grid > :last-child, .case-grid > :last-child, .guide-grid > :last-child, .product-detail-grid > :last-child { grid-column: 1 / -1; }
  .timeline { grid-template-columns: repeat(3, 1fr); row-gap: 30px; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 28px, 1180px); }
  .site-strap .container { justify-content: center; }
  .site-strap a { display: none; }
  .hero-content { width: calc(100% - 28px); }
  .section { padding: 68px 0; }
  .hero { min-height: 560px; }
  .hero::after { background: linear-gradient(90deg, rgba(4,22,35,.92), rgba(4,22,35,.65)); }
  .proof-strip { gap: 13px 20px; }
  .section-head { display: block; }
  .visual-grid, .route-grid, .feature-grid, .case-grid, .guide-grid, .cert-grid, .network-grid, .rfq-panel, .rfq-form, .product-detail-grid, .image-split { grid-template-columns: 1fr; }
  .quality-disclaimer, .quality-stage, .quality-stage.reverse, .quality-deliverables, .project-tests { grid-template-columns: 1fr; }
  .quality-index, .quality-index.four { grid-template-columns: repeat(2, 1fr); }
  .quality-index a, .quality-index a:nth-child(3) { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .quality-index a:nth-child(even) { border-right: 0; }
  .quality-index a:nth-last-child(-n+2) { border-bottom: 0; }
  .quality-stage.reverse .quality-stage-media { order: 0; }
  .quality-stage-media img { min-height: 280px; max-height: 330px; }
  .reliability-carousel { overflow-x: auto; overscroll-behavior-inline: contain; -webkit-overflow-scrolling: touch; }
  .reliability-carousel::before, .reliability-carousel::after { display: none; }
  .reliability-track { animation: none; }
  .reliability-group[aria-hidden="true"] { display: none; }
  .carousel-toggle { display: none; }
  .reliability-card { flex-basis: min(80vw, 330px); width: min(80vw, 330px); }
  .quality-deliverables { gap: 24px; }
  .quality-deliverables ul { grid-template-columns: 1fr; }
  .project-test-grid article { grid-template-columns: 1fr; gap: 5px; }
  .visual-card, .visual-card:last-child, .route:last-child, .feature-grid > :last-child, .case-grid > :last-child, .guide-grid > :last-child, .product-detail-grid > :last-child { grid-column: auto; min-height: 0; }
  .image-split > img { height: 370px; }
  .product-detail-card > img { height: 350px; }
  .product-detail-copy .section-copy { min-height: 0; }
  .industry-card, .industry-card.wide { grid-column: span 12; min-height: 290px; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .field.full { grid-column: auto; }
  .form-note { grid-column: auto; }
  .cta-band { display: block; padding: 30px; }
  .cta-band .btn { margin-top: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reliability-carousel { overflow-x: auto; }
  .reliability-track { animation: none; }
  .reliability-group[aria-hidden="true"] { display: none; }
  .carousel-toggle { display: none; }
}

@media (max-width: 440px) {
  h1 { font-size: 43px; }
  html[lang="es"] .hero h1, html[lang="es"] .page-hero h1 { font-size: 36px; line-height: 1.08; }
  html[lang="es"] .section h2, html[lang="es"] .compact h2 { font-size: 34px; line-height: 1.12; }
  .timeline, .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
}