:root{
      --navy:#071b31;--navy-2:#0d2946;--ink:#10233a;--muted:#63758a;
      --line:#dce3ea;--soft:#f3f6f8;--white:#fff;--red:#ec2b2f;
      --wide:min(1380px,calc(100% - 96px));--radius:4px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);font-family:Arial,Helvetica,sans-serif;background:#fff;line-height:1.55}
    a{color:inherit;text-decoration:none}
    button{font:inherit}
    img{display:block;max-width:100%}
    .container{width:var(--wide);margin:auto}
    .section{padding:92px 0}
    .section.soft{background:var(--soft)}
    .eyebrow{display:flex;align-items:center;gap:12px;color:var(--red);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow:before{content:"";width:38px;height:2px;background:var(--red)}
    h1,h2,h3,p{margin-top:0}
    h1{max-width:850px;margin-bottom:24px;color:#fff;font-size:clamp(48px,6vw,88px);line-height:.98;letter-spacing:-.045em}
    h2{font-size:clamp(34px,4vw,56px);line-height:1.05;letter-spacing:-.035em;margin-bottom:18px}
    h3{font-size:23px;line-height:1.2;letter-spacing:-.02em}
    .lead{max-width:760px;color:var(--muted);font-size:18px}
    .section-head{display:flex;justify-content:space-between;gap:32px;align-items:end;margin-bottom:42px}
    .section-head .lead{margin-bottom:0}
    .text-link{color:var(--red);font-weight:800;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 25px;border:1px solid transparent;border-radius:3px;font-size:14px;font-weight:800}
    .btn.red{background:var(--red);color:#fff}
    .btn.light{border-color:rgba(255,255,255,.48);color:#fff;background:rgba(255,255,255,.06)}
    .btn.dark{background:var(--navy);color:#fff}
    .btn:hover{transform:translateY(-1px)}
    .btn:focus-visible,.family:focus-visible,.carousel-button:focus-visible,.faq-q:focus-visible{outline:3px solid rgba(237,28,36,.28);outline-offset:3px}

    .hero{position:relative;min-height:max(760px,100vh);min-height:max(760px,100svh);color:#fff;background:#06182b;overflow:hidden}
    .hero-media{position:absolute;inset:0}
    .hero-bg{position:absolute;inset:0;opacity:0;background:url("../images/home-hero.webp") center/cover no-repeat;transform:scale(1.045);transition:opacity 1.1s ease,transform 7.2s ease;will-change:opacity,transform}
    .hero-bg.is-active{z-index:1;opacity:1;transform:scale(1)}
    .hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,15,29,.94) 0%,rgba(3,18,33,.76) 42%,rgba(3,18,33,.2) 76%),linear-gradient(0deg,rgba(2,14,27,.65),transparent 42%)}
    .header{position:relative;z-index:3;height:92px;border-bottom:1px solid rgba(255,255,255,.2)}
    .nav{height:100%;display:flex;align-items:center;justify-content:space-between;gap:38px}
    .brand{display:flex;align-items:center;gap:13px;color:#fff;font-size:24px;font-weight:900;letter-spacing:-.03em}
    .brand img{width:45px;height:45px;object-fit:contain}
    .brand small{display:block;font-size:8px;letter-spacing:.2em;font-weight:600;opacity:.7}
    .nav-links{display:flex;align-items:center;gap:34px;font-size:14px;font-weight:700}
    .nav-links a.active{color:#ff4b4f}
    .nav-actions{display:flex;align-items:center;gap:22px}
    .hero-inner{position:relative;z-index:2;display:flex;min-height:inherit;flex-direction:column;justify-content:center;padding-top:calc(var(--lh-header-h,92px) + 42px);padding-bottom:54px}
    .hero-copy{max-width:790px}
    .hero-copy .eyebrow{margin-bottom:26px}
    .hero-copy>p{max-width:720px;margin-bottom:36px;color:rgba(255,255,255,.82);font-size:19px}
    .hero-actions{display:flex;gap:12px;margin-bottom:72px}
    .hero-proof{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));max-width:980px;border-top:1px solid rgba(255,255,255,.25)}
    .proof-item{padding:23px 28px 0 0}
    .proof-item strong{display:block;font-size:18px;margin-bottom:3px}
    .proof-item span{font-size:12px;color:rgba(255,255,255,.63)}
    .hero-dots{position:absolute;z-index:3;right:max(24px,calc((100% - min(1380px,calc(100% - 96px)))/2));bottom:34px;display:flex;align-items:center;gap:10px}
    .hero-dots button{width:30px;height:3px;padding:0;border:0;background:rgba(255,255,255,.42);cursor:pointer;transition:width .25s ease,background-color .25s ease}
    .hero-dots button.is-active{width:48px;background:#fff}
    .hero-dots button:focus-visible{outline:3px solid rgba(255,255,255,.65);outline-offset:5px}

    .applications{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:14px}
    .application{position:relative;min-height:430px;overflow:hidden;background:#0c2239}
    .application img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
    .application:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,18,34,.94),rgba(4,18,34,.04) 72%)}
    .application:hover img{transform:scale(1.025)}
    .application-copy{position:absolute;z-index:1;left:30px;right:30px;bottom:26px;color:#fff}
    .application-copy span{color:#ff565a;font-size:11px;font-weight:800;letter-spacing:.1em}
    .application-copy h3{font-size:27px;margin:8px 0}
    .application-copy p{margin:0;color:rgba(255,255,255,.7);font-size:14px}

    #products .section-head{align-items:end;margin-bottom:30px}
    #products .section-head>div{max-width:820px}
    #products .section-head h2{max-width:720px;font-size:clamp(34px,3.3vw,48px)}
    .portfolio-layout{display:block}
    .family-list{display:grid;grid-template-columns:1.05fr 1.35fr .9fr .95fr .9fr;margin-bottom:22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .family{display:flex;justify-content:space-between;align-items:center;min-height:76px;padding:15px 18px;border:0;border-right:1px solid var(--line);color:var(--ink);background:transparent;font:inherit;font-size:14px;font-weight:800;line-height:1.25;text-align:left;cursor:pointer}
    .family:last-child{border-right:0}
    .family.active{color:var(--red);box-shadow:inset 0 -3px 0 var(--red)}
    .family small{margin-left:14px;font-weight:500;color:var(--muted)}
    .product-carousel{position:relative}
    .carousel-meta{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:14px}
    .carousel-meta p{margin:0;color:var(--muted);font-size:13px}
    .carousel-actions{display:flex;align-items:center;gap:10px}
    .carousel-count{min-width:60px;color:var(--muted);font-size:12px;text-align:center;letter-spacing:.08em}
    .carousel-button{position:relative;width:38px;height:38px;border:1px solid #cbd5df;background:#fff;cursor:pointer}
    .carousel-button:before{content:"";position:absolute;left:14px;top:13px;width:8px;height:8px;border-top:2px solid var(--ink);border-right:2px solid var(--ink);transform:rotate(45deg)}
    .carousel-button.prev:before{left:16px;transform:rotate(-135deg)}
    .carousel-button:disabled{cursor:not-allowed;opacity:.32}
    .carousel-viewport{overflow:hidden;border:1px solid var(--line);background:var(--line);touch-action:pan-y}
    .products-track{display:flex;gap:1px;transition:transform .42s cubic-bezier(.22,.61,.36,1);will-change:transform}
    .product-card{display:grid;grid-template-rows:minmax(250px,1fr) auto;flex:0 0 calc((100% - 2px)/3);min-width:0;min-height:450px;padding:30px;background:#eef2f5;overflow:hidden}
    .product-card[hidden]{display:none}
    .product-card img{width:100%;height:278px;margin:auto;padding:18px;object-fit:contain;object-position:center;mix-blend-mode:multiply;filter:contrast(1.035)}
    .home-empty-state{padding:36px;border:1px solid var(--line);background:#fff;color:var(--muted)}
    .product-copy{position:static;padding-top:20px;border-top:1px solid rgba(16,35,58,.1)}
    .product-copy span{color:var(--red);font-size:10px;font-weight:800;letter-spacing:.1em}
    .product-copy h3{margin:7px 0 3px;font-size:25px}
    .product-copy p{margin:0;color:var(--muted);font-size:13px}

    .engineering{background:var(--navy);color:#fff}
    .engineering .lead{color:#aebdcb}
    .engineering-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:72px;align-items:center}
    .engineering-visual{position:relative;min-height:620px;overflow:hidden}
    .engineering-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
    .engineering-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,27,49,.8),transparent 45%)}
    .engineering-badge{position:absolute;z-index:1;left:28px;right:28px;bottom:24px;padding:17px 20px 18px;border-left:3px solid var(--red);background:rgba(7,27,49,.88);backdrop-filter:blur(5px)}
    .engineering-badge strong{display:block;margin-bottom:4px;color:#ff6468;font-size:11px;line-height:1.2;letter-spacing:.12em;text-transform:uppercase}
    .engineering-badge span{display:block;max-width:440px;color:rgba(255,255,255,.9);font-size:13px;line-height:1.45}
    .engineering-points{margin-top:42px;border-top:1px solid rgba(255,255,255,.18)}
    .engineering-point{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.18)}
    .engineering-point b{color:#ff565a;font-size:13px}
    .engineering-point h3{margin:0 0 6px;font-size:19px}
    .engineering-point p{margin:0;color:#9fb0c1;font-size:14px}

    .project-case{display:grid;grid-template-columns:1.25fr .75fr;min-height:520px;background:var(--navy);color:#fff}
    .project-media{position:relative;min-height:520px;overflow:hidden}
    .project-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
    .project-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 55%,rgba(7,27,49,.22)),linear-gradient(0deg,rgba(7,27,49,.38),transparent 46%)}
    .project-copy{display:flex;flex-direction:column;justify-content:center;padding:54px}
    .project-copy h3{margin:16px 0 18px;font-size:clamp(30px,3vw,43px)}
    .project-copy>p{color:#b6c3d0}
    .preview-status{display:inline-flex;align-self:flex-start;padding:6px 10px;border:1px solid rgba(255,255,255,.35);color:#ff777a;font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
    .project-facts{margin-top:26px;border-top:1px solid rgba(255,255,255,.18)}
    .project-fact{display:grid;grid-template-columns:125px 1fr;gap:20px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.18);font-size:13px}
    .project-fact span{color:#8195a9;text-transform:uppercase;font-size:10px;font-weight:800;letter-spacing:.08em}

    .capability-strip{display:grid;grid-template-columns:1.25fr repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .capability-intro{padding:35px 42px 35px 0}
    .capability-stat{padding:35px 24px;border-left:1px solid var(--line)}
    .capability-stat strong{display:block;font-size:32px;letter-spacing:-.04em;color:var(--navy)}
    .capability-stat span{display:block;margin-top:8px;color:var(--muted);font-size:12px}
    .factory-banner{display:grid;grid-template-columns:1fr 1.2fr;margin-top:48px;min-height:360px;background:#e9eef2}
    .factory-copy{padding:52px;align-self:center}
    .factory-copy p{color:var(--muted)}
    .factory-banner img{width:100%;height:100%;object-fit:cover}

    .certification-head{max-width:820px;margin-bottom:34px}
    .certification-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .certification-item{padding:30px 28px;border-left:1px solid var(--line)}
    .certification-item:first-child{border-left:0}
    .certification-item b{display:block;margin-bottom:22px;color:var(--red);font-size:12px;letter-spacing:.08em}
    .certification-item h3{margin-bottom:10px;font-size:19px}
    .certification-item p{margin:0;color:var(--muted);font-size:13px}
    .verification-note{margin:22px 0 0;color:var(--muted);font-size:12px}

    .process{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
    .step{position:relative;padding:31px 32px 18px 0;border-right:1px solid var(--line)}
    .step:not(:first-child){padding-left:32px}
    .step:last-child{border-right:0}
    .step b{display:block;color:var(--red);font-size:12px;margin-bottom:28px}
    .step h3{font-size:20px;margin-bottom:12px}
    .step p{color:var(--muted);font-size:14px}

    .insights-layout{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:14px}
    .insight{border-top:3px solid var(--navy);padding-top:22px}
    .insight.featured{position:relative;min-height:390px;border:0;padding:0;overflow:hidden}
    .insight.featured img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
    .insight.featured:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,20,37,.96),transparent 65%)}
    .insight.featured .insight-copy{position:absolute;z-index:1;left:28px;right:28px;bottom:26px;color:#fff}
    .insight-meta{font-size:11px;color:var(--red);font-weight:800;letter-spacing:.08em;text-transform:uppercase}
    .insight h3{margin:10px 0 14px;font-size:23px}
    .insight p{font-size:14px;color:var(--muted)}

    .faq-layout{display:grid;grid-template-columns:.78fr 1.4fr;gap:80px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{display:flex;width:100%;justify-content:space-between;gap:25px;padding:24px 0;border:0;background:none;color:var(--ink);text-align:left;font-weight:800;cursor:pointer}
    .faq-a{display:none;max-width:720px;padding:0 46px 24px 0;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span{transform:rotate(45deg)}

    .cta{position:relative;padding:88px 0;color:#fff;background:var(--navy);overflow:hidden}
    .cta:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,27,49,.98),rgba(7,27,49,.58)),url("../images/home-cta.webp") center/cover}
    .cta-inner{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:50px}
    .cta h2{max-width:760px;margin-bottom:12px}
    .cta p{margin:0;color:#b6c3d0}

    footer{padding:54px 0 30px;background:#04101d;color:#d7e0e8}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:56px}
    footer h3{font-size:14px;color:#fff;margin-bottom:17px}
    footer a,footer p{display:block;margin:0 0 10px;color:#8fa1b3;font-size:13px}
    .copyright{margin-top:42px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#6f8192}
    .mobile-toggle{display:none}

    @media(max-width:1000px){
      :root{--wide:min(100% - 40px,900px)}
      .nav{position:relative}.nav-links{display:none}.header.mobile-open .nav-links{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:12px 18px 20px;background:#071b32;border-top:1px solid rgba(255,255,255,.15);box-shadow:0 18px 30px rgba(0,0,0,.22)}.header.mobile-open .nav-links a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12)}.mobile-toggle{display:block;color:#fff;background:none;border:0;font-size:24px}
      .hero{min-height:max(760px,100vh);min-height:max(760px,100svh)}.hero-inner{padding-top:calc(var(--lh-header-h,82px) + 34px);padding-bottom:48px}
      .hero-proof{grid-template-columns:repeat(2,1fr);gap:20px}.proof-item{padding-top:18px}
      .applications{grid-template-columns:1fr 1fr}.application:first-child{grid-column:1/-1}
      .engineering-grid,.faq-layout,.project-case{grid-template-columns:1fr}
      .project-media{min-height:420px}.project-copy{padding:44px}
      .family-list{grid-template-columns:repeat(2,1fr)}.family{border-bottom:1px solid var(--line)}.family:nth-child(2n){border-right:0}
      .product-card{flex-basis:calc((100% - 1px)/2);min-height:420px}
      .capability-strip{grid-template-columns:repeat(2,1fr)}.capability-intro{grid-column:1/-1}.capability-stat{border-top:1px solid var(--line)}
      .factory-banner{grid-template-columns:1fr}.factory-banner img{height:360px}.process{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}
      .certification-grid{grid-template-columns:1fr 1fr}.certification-item:nth-child(3){border-left:0}.certification-item:nth-child(n+3){border-top:1px solid var(--line)}
      .insights-layout{grid-template-columns:1fr 1fr}.insight.featured{grid-column:1/-1}
    }
    @media(max-width:640px){
      :root{--wide:calc(100% - 32px)}
      .section{padding:66px 0}.header{height:76px}.brand{font-size:19px}.brand img{width:38px;height:38px}.nav-actions .btn{display:none}
      .hero{min-height:max(720px,100vh);min-height:max(720px,100svh)}.hero-inner{justify-content:flex-start;padding-top:calc(var(--lh-header-h,76px) + 54px);padding-bottom:72px}h1{font-size:48px}.hero-copy>p{font-size:16px}.hero-actions{flex-direction:column;align-items:stretch;max-width:290px;margin-bottom:42px}
      .hero-proof{grid-template-columns:1fr 1fr}.proof-item strong{font-size:15px}
      .hero-dots{right:16px;bottom:22px}
      .section-head{display:block}.section-head .text-link{display:inline-block;margin-top:14px}
      .applications,.insights-layout{grid-template-columns:1fr}.application:first-child,.insight.featured{grid-column:auto}.application{min-height:360px}
      #products .section-head h2{font-size:36px}.family-list{grid-template-columns:1fr}.family,.family:nth-child(2n){min-height:58px;border-right:0}.carousel-meta{align-items:flex-end}.carousel-meta p{max-width:210px}.product-card{flex-basis:86%;min-height:390px;padding:22px}.product-card img{height:235px}
      .engineering-grid{gap:42px}.engineering-visual{min-height:430px}.engineering-badge{left:18px;right:18px;bottom:18px;padding:15px 17px}
      .project-media{min-height:300px}.project-copy{padding:32px 24px}.project-fact{grid-template-columns:1fr;gap:4px}.certification-grid{grid-template-columns:1fr}.certification-item,.certification-item:nth-child(3){border-left:0;border-top:1px solid var(--line)}.certification-item:first-child{border-top:0}
      .capability-strip,.process{grid-template-columns:1fr}.capability-stat,.step,.step:not(:first-child){padding:24px 0;border-left:0;border-right:0;border-top:1px solid var(--line)}
      .factory-copy{padding:34px 24px}.factory-banner img{height:280px}.faq-layout{gap:36px}.cta-inner{display:block}.cta .btn{margin-top:28px}
      .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(prefers-reduced-motion:reduce){.hero-bg{transition:none;transform:none}.hero-dots button{transition:none}}