:root{--ink:#FFFFFF;--ink-2:#F8F8F8;--ink-3:#F0F0F0;--steel:#666666;--line:#DDDDDD;
    --teal:#D42020;--teal-deep:#A01515;--brass:#D42020;--brass-soft:#FF4444;
    --paper:#FFFFFF;--paper-2:#FFF0F0;--card:#FFFFFF;--ink-on-paper:#1A1A1A;
    --steel-paper:#555555;--line-paper:#E8E8E8;--radius:4px;--maxw:1180px;}
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:'Inter',system-ui,sans-serif;background:var(--paper);color:var(--ink-on-paper);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
  ::selection{background:#D42020;color:#FFFFFF}
  img{display:block}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
  h1,h2,h3{font-family:'Archivo',sans-serif;line-height:1.04;letter-spacing:-0.02em}
  .eyebrow{font-family:'Google Sans',sans-serif;font-size:12px;font-weight:500;letter-spacing:0.22em;text-transform:uppercase;color:var(--teal-deep);display:inline-flex;align-items:center;gap:10px}
  .eyebrow::before{content:"";width:26px;height:1px;background:var(--teal-deep);opacity:.7}
  .mono{font-family:'Google Sans',sans-serif}
  a{color:inherit}

  /* NAV */
  header{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:blur(12px);background:rgba(255,255,255,.95);border-bottom:1px solid #E8E8E8;box-shadow:0 1px 12px rgba(0,0,0,.06)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:70px}
  .brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#1A1A1A}
  .brand-logo{height:36px;width:auto;display:block}
  .brand-name{font-family:'Archivo';font-weight:800;font-size:18px;letter-spacing:-0.02em;line-height:1}
  .brand-sub{font-family:'Google Sans';font-size:9.5px;letter-spacing:0.18em;color:var(--steel);text-transform:uppercase}
  .nav-links{display:flex;align-items:center;gap:30px}
  .nav-links>a{color:#333333;text-decoration:none;font-size:14.5px;font-weight:500;transition:color .2s}
  .nav-links>a:hover,.nav-links>a.active{color:#D42020}
  .nav-cta{font-family:'Archivo';font-weight:700;font-size:14px;background:#D42020;color:#FFFFFF!important;padding:11px 20px;border-radius:var(--radius);text-decoration:none;transition:transform .15s,box-shadow .2s}
  .nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 24px -6px rgba(212,32,32,.35)}
  .menu-btn{display:none;align-items:center;gap:8px;background:none;border:1px solid #DDDDDD;border-radius:var(--radius);color:#333333;padding:8px 12px;cursor:pointer;font-family:'Google Sans';font-size:12px}
  .has-drop{position:relative}
  .drop-toggle{display:inline-flex;align-items:center;gap:5px;cursor:pointer;background:none;border:none;font-family:'Inter';color:#333333;font-size:14.5px;font-weight:500;padding:0}
  .drop-toggle:hover,.drop-toggle.active{color:#D42020}
  .drop-toggle svg{width:11px;height:11px;transition:transform .25s}
  .has-drop:hover .drop-toggle svg,.has-drop:focus-within .drop-toggle svg{transform:rotate(180deg)}
  .drop-menu{position:absolute;top:calc(100% + 16px);left:50%;transform:translateX(-50%) translateY(8px);min-width:248px;background:#FFFFFF;border:1px solid #E0E0E0;border-radius:10px;padding:8px;opacity:0;visibility:hidden;transition:opacity .2s,transform .2s;box-shadow:0 8px 32px -8px rgba(0,0,0,.15);z-index:60}
  .has-drop:hover .drop-menu,.has-drop:focus-within .drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
  .drop-menu::before{content:"";position:absolute;top:-16px;left:0;right:0;height:16px}
  .drop-menu a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 12px;border-radius:6px;font-size:14px;color:#333333;text-decoration:none;transition:background .15s,color .15s}
  .drop-menu a:hover{background:rgba(212,32,32,.08);color:#D42020}
  .drop-menu a .mono{font-family:'Google Sans';font-size:10px;color:#999;letter-spacing:.06em}
  .drop-menu .divider{height:1px;background:var(--line);margin:6px 4px}
  .drop-menu a.all{color:#D42020}
  .mobile-panel{display:none}

  /* buttons */
  .btn-primary{font-family:'Archivo';font-weight:700;font-size:15.5px;background:#D42020;color:#FFFFFF;padding:15px 28px;border-radius:var(--radius);text-decoration:none;display:inline-flex;align-items:center;gap:10px;transition:transform .15s,box-shadow .2s;box-shadow:0 10px 30px -10px rgba(224,32,32,.6);border:none;cursor:pointer}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px -8px rgba(212,32,32,.4)}
  .btn-ghost{font-family:'Archivo';font-weight:600;font-size:15.5px;color:#D42020;padding:15px 26px;border-radius:var(--radius);border:1px solid #D42020;text-decoration:none;display:inline-flex;align-items:center;gap:10px;transition:border-color .2s,background .2s;background:#FFFFFF}
  .btn-ghost:hover{border-color:#A01515;background:#FFF0F0}

  /* footer */
  footer{background:var(--paper);border-top:1px solid var(--line);padding:56px 0 34px;color:#1A1A1A}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
  .foot-brand p{color:#666666;font-size:13.5px;margin-top:16px;max-width:280px}
  .foot-col h4{font-family:'Google Sans';font-size:11px;text-transform:uppercase;letter-spacing:.16em;color:#999999;margin-bottom:16px}
  .foot-col a{display:block;color:#666666;text-decoration:none;font-size:14px;margin-bottom:10px;transition:color .2s}
  .foot-col a:hover{color:#D42020}
  .foot-addr{font-style:normal;color:#666666;font-size:14px;line-height:1.7}
  .foot-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:48px;padding-top:24px;border-top:1px solid #E0E0E0;flex-wrap:wrap;gap:12px}
  .foot-bottom small{font-family:'Google Sans';font-size:11.5px;color:#888888;letter-spacing:.04em}

  .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
  .reveal.in{opacity:1;transform:none}
  a:focus-visible,button:focus-visible{outline:2px solid #D42020;outline-offset:3px;border-radius:3px}

  /* light section wrapper */
  .light-sec{background:var(--paper);padding:80px 0}

  /* detail / shared content */
  .pd-hero{padding:104px 0 60px;background:var(--paper);color:#1A1A1A;position:relative;overflow:hidden}
  .pd-hero-grid{position:absolute;inset:0;opacity:.45;background-image:linear-gradient(#DDDDDD 1px,transparent 1px),linear-gradient(90deg,#DDDDDD 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(ellipse 80% 70% at 30% 30%,#000,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 80% 70% at 30% 30%,#000,transparent 75%)}
  .crumb{position:relative;z-index:2;font-family:'Google Sans';font-size:12px;letter-spacing:.08em;color:#888888;margin-bottom:26px}
  .crumb a{color:#888888;text-decoration:none}.crumb a:hover{color:#D42020}
  .crumb b{color:#333333;font-weight:500}
  .pd-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:.95fr 1.05fr;gap:50px;align-items:center}
  .pd-photo{order:2;border:1px solid #E8E8E8;border-radius:12px;background:#FFFFFF;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:34px;position:relative;box-shadow:0 16px 48px -16px rgba(0,0,0,.12)}
  .pd-photo img{max-width:88%;max-height:88%;object-fit:contain;mix-blend-mode:multiply}
  .tick{position:absolute;width:14px;height:14px;border:1.5px solid #D42020;z-index:3}
  .tick.tl{top:12px;left:12px;border-right:none;border-bottom:none}
  .tick.tr{top:12px;right:12px;border-left:none;border-bottom:none}
  .tick.bl{bottom:12px;left:12px;border-right:none;border-top:none}
  .tick.br{bottom:12px;right:12px;border-left:none;border-top:none}
  .badge{display:inline-block;font-family:'Google Sans';font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#FFFFFF;background:#D42020;border-radius:30px;padding:5px 12px;margin-bottom:16px}
  .pd-info h1{font-size:clamp(38px,5.4vw,62px);font-weight:800;color:#D42020}
  .sub-bw{font-family:'Google Sans';font-size:.42em;letter-spacing:.06em;color:var(--brass-soft);vertical-align:middle}
  .pd-info p.lede,.pd-hero p.lede{font-size:18px;color:#555555;max-width:520px;margin:18px 0 0}
  .pd-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px}
  .pd-chips span{font-family:'Google Sans';font-size:12px;color:#333333;border:1px solid var(--line);padding:7px 12px;border-radius:30px}
  .pd-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}

  .pd-strip{background:var(--ink-2);border-bottom:1px solid #E8E8E8;color:var(--steel)}
  .pd-strip .wrap{display:flex;gap:26px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px;font-family:'Google Sans';font-size:12px;letter-spacing:.05em}
  .pd-strip b{color:#D42020}

  .pd-spec{padding:80px 0;background:#FFFFFF}
  .pd-spec-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:start}
  .sec-label{font-family:'Google Sans';font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--teal-deep);margin-bottom:8px}
  .pd-spec h2{font-size:30px;font-weight:800;margin-bottom:22px}
  .dl{border-top:1px solid var(--line-paper)}
  .dl-row{display:grid;grid-template-columns:200px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--line-paper)}
  .dl-row dt{font-family:'Google Sans';font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--steel-paper);padding-top:2px}
  .dl-row dd{font-size:15.5px;color:var(--ink-on-paper)}
  .dl-row.cont dt{visibility:hidden}
  .materials-box{margin-top:26px;background:#fff;border:1px solid var(--line-paper);border-radius:8px;padding:20px 22px}
  .materials-box h4{font-family:'Google Sans';font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel-paper);margin-bottom:10px}
  .materials-box p{font-size:14.5px;color:var(--ink-on-paper);line-height:1.7}
  .side-card{background:var(--paper);color:#1A1A1A;border-radius:12px;padding:28px;position:sticky;top:90px}
  .side-card h3{font-size:20px;font-weight:700;color:#D42020;margin-bottom:8px}
  .matrix{width:100%;border-collapse:collapse;margin-top:16px;font-size:13.5px}
  .matrix th{font-family:'Google Sans';font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#D42020;text-align:left;padding:10px 12px;border-bottom:1px solid #E8E8E8}
  .matrix td{padding:11px 12px;border-bottom:1px solid #E8E8E8;color:#333333}
  .std-wrap{margin-top:22px}
  .std-wrap .lbl{font-family:'Google Sans';font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);margin-bottom:10px}
  .std-chips{display:flex;flex-wrap:wrap;gap:7px}
  .std-chips span{font-family:'Google Sans';font-size:11.5px;color:#333333;border:1px solid var(--line);border-radius:4px;padding:5px 9px}
  .side-note{font-family:'Google Sans';font-size:11px;color:var(--steel);margin-top:18px;line-height:1.6}
  .side-cta{display:block;text-align:center;margin-top:18px;font-family:'Archivo';font-weight:700;font-size:14.5px;background:var(--teal);color:var(--ink);padding:13px;border-radius:var(--radius);text-decoration:none;transition:transform .15s}
  .side-cta:hover{transform:translateY(-1px)}

  .pd-feat{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid #E8E8E8;padding:64px 0;color:#1A1A1A}
  .feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
  .feat{border:1px solid var(--line);border-radius:8px;padding:24px;background:rgba(255,255,255,.02)}
  .feat .n{font-family:'Google Sans';font-size:12px;color:var(--brass);margin-bottom:12px}
  .feat h3{font-size:18px;font-weight:700;color:#1A1A1A;margin-bottom:8px}
  .feat p{font-size:14px;color:#666666}

  .related{padding:74px 0}
  .related h2{font-size:26px;font-weight:800;margin-bottom:24px}
  .rel-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
  .rel{display:block;text-decoration:none;background:#fff;border:1px solid var(--line-paper);border-radius:8px;overflow:hidden;transition:transform .2s,border-color .2s,box-shadow .2s}
  .rel:hover{transform:translateY(-3px);border-color:#D42020;box-shadow:0 16px 36px -22px rgba(0,0,0,.06)}
  .rel-img{height:120px;background:linear-gradient(160deg,#fff,#e9eef3);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line-paper)}
  .rel-img img{max-width:66%;max-height:74%;object-fit:contain;mix-blend-mode:multiply}
  .rel-img svg{width:40px;height:40px;color:var(--teal-deep)}
  .rel b{display:block;font-family:'Archivo';font-weight:700;font-size:14px;color:var(--ink-on-paper);padding:13px 14px}

  /* product grid (landing) */
  .prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  a.prod{text-decoration:none;color:inherit}
  .prod{background:#FFFFFF;border:1px solid #E8E8E8;border-radius:6px;overflow:hidden;display:flex;flex-direction:column;position:relative;transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s,border-color .25s}
  .prod::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:#D42020;transition:width .35s ease;z-index:2}
  .prod:hover{transform:translateY(-4px);box-shadow:0 22px 50px -24px rgba(0,0,0,.06);border-color:#D42020}
  .prod:hover::after{width:100%}
  .prod-img{height:200px;background:linear-gradient(160deg,#ffffff,#e9eef3);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line-paper);overflow:hidden;position:relative}
  .prod-img img{max-width:80%;max-height:80%;object-fit:contain;transition:transform .45s ease;mix-blend-mode:multiply}
  .prod:hover .prod-img img{transform:scale(1.06)}
  .prod-tag{position:absolute;top:12px;left:12px;font-family:'Google Sans';font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#D42020;background:rgba(255,255,255,.95);border:1px solid #FFCCCC;border-radius:3px;padding:3px 8px}
  .prod-body{padding:22px 24px 24px}
  .prod-body h3{font-size:21px;font-weight:700;color:#D42020}
  .prod-body p{font-size:14.5px;color:#555555;margin:9px 0 16px}
  .prod-spec{display:flex;flex-wrap:wrap;gap:6px}
  .prod-spec span{font-family:'Google Sans';font-size:10.5px;color:#555555;background:#FFF0F0;border-radius:3px;padding:4px 8px;letter-spacing:.03em}
  .prod-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-family:'Archivo';font-weight:700;font-size:13.5px;color:#D42020;transition:gap .2s}
  .prod-more svg{width:14px;height:14px}
  a.prod:hover .prod-more{gap:11px}

  .materials-band{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:30px;background:#fff;border:1px solid var(--line-paper);border-radius:10px;padding:28px 30px}
  .materials-band h4{font-family:'Google Sans';font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-deep);margin-bottom:10px}
  .materials-band p{font-size:14.5px;color:var(--steel-paper);line-height:1.7}

  /* about metrics */
  .metrics-row{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line-paper);border-radius:8px;overflow:hidden;background:#fff}
  .metrics-row .mx{padding:28px 26px;border-right:1px solid var(--line-paper)}
  .metrics-row .mx:last-child{border-right:none}
  .metrics-row .num{font-family:'Archivo';font-weight:800;font-size:40px;color:var(--teal-deep);line-height:1;letter-spacing:-0.03em}
  .metrics-row .num span{font-size:22px}
  .metrics-row .lbl{font-family:'Google Sans';font-size:11px;color:var(--steel-paper);text-transform:uppercase;letter-spacing:.1em;margin-top:12px}

  /* contact */
  .contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
  .cinfo{background:var(--paper);color:#1A1A1A;border-radius:12px;padding:30px}
  .cinfo h3{font-size:22px;font-weight:700;color:#D42020;margin-bottom:20px}
  .cinfo-row{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line)}
  .cinfo-row .ci-ic{font-size:18px}
  .cinfo-row b{display:block;font-family:'Google Sans';font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);margin-bottom:4px}
  .cinfo-row p{font-size:15px;color:#333333}
  .cinfo-row a{color:#D42020;text-decoration:none}
  .cinfo-note{margin-top:18px;font-size:13px;color:#666666;line-height:1.6;border-top:1px solid var(--line);padding-top:16px}
  .cform{background:#fff;border:1px solid var(--line-paper);border-radius:12px;padding:30px}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .field{display:flex;flex-direction:column;gap:7px}
  .field.full{grid-column:1/-1}
  .field label{font-family:'Google Sans';font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel-paper)}
  .field input,.field textarea{font-family:'Inter';font-size:15px;color:var(--ink-on-paper);background:var(--paper);border:1px solid var(--line-paper);border-radius:6px;padding:12px 14px;transition:border-color .2s,box-shadow .2s}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--teal-deep);box-shadow:0 0 0 3px rgba(176,16,16,.12);background:#fff}
  .field textarea{resize:vertical;min-height:130px}
  .form-note{font-size:12.5px;color:var(--steel-paper);margin-top:14px;line-height:1.6}

  /* CTA */
  .cta{position:relative;background:#D42020;overflow:hidden;color:#FFFFFF}
  .cta-glow{position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 50% 120%,rgba(0,0,0,.15),transparent 70%)}
  .cta-inner{position:relative;z-index:2;text-align:center;padding:90px 0;max-width:720px;margin:0 auto}
  .cta h2{font-size:clamp(30px,4.6vw,50px);font-weight:800}
  .cta h2 .accent{color:#FFFFFF}
  .cta p{font-size:17px;color:#555555;margin:18px auto 0;max-width:520px}
  .contact-line{font-family:'Google Sans';font-size:13px;color:var(--steel);margin-top:30px;display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
  .contact-line a{color:#333333;text-decoration:none;border-bottom:1px solid #E8E8E8}
  .contact-line a:hover{color:#FFFFFF;border-color:#FFFFFF;opacity:.85}

  @media(max-width:900px){
    .pd-hero-inner{grid-template-columns:1fr;gap:30px}.pd-photo{order:0;max-width:380px}
    .pd-spec-grid{grid-template-columns:1fr;gap:34px}.side-card{position:static}
    .feat-grid{grid-template-columns:1fr}.rel-grid{grid-template-columns:repeat(3,1fr)}
    .prod-grid{grid-template-columns:repeat(2,1fr)}
    .materials-band,.contact-grid{grid-template-columns:1fr}
    .metrics-row{grid-template-columns:repeat(2,1fr)}
    .foot-grid{grid-template-columns:1fr 1fr}
    .nav-links{display:none}.menu-btn{display:inline-flex}
    .mobile-panel{display:block;position:fixed;left:0;right:0;top:70px;background:var(--paper);border-bottom:1px solid #E8E8E8;transform:translateY(-130%);transition:transform .32s cubic-bezier(.2,.7,.3,1);z-index:49;max-height:calc(100vh - 70px);overflow:auto}
    .mobile-panel.open{transform:translateY(0)}
    .mobile-panel nav{padding:12px 22px 26px}
    .mobile-panel a{display:block;padding:13px 4px;font-size:16px;color:#333333;text-decoration:none;border-bottom:1px solid #E8E8E8;font-family:'Archivo';font-weight:600}
    .mobile-panel a:hover{color:#D42020}
    .mobile-panel .m-group>span{display:block;padding:14px 4px 6px;color:#999999;font-family:'Google Sans';font-size:12px;letter-spacing:.1em;text-transform:uppercase}
    .mobile-panel .m-sub a{padding-left:18px;font-size:14.5px;font-weight:500;font-family:'Inter';color:#666666}
    .mobile-panel .m-sub{display:none}
    .mobile-panel .m-group>span{cursor:pointer;user-select:none;display:flex;align-items:center;justify-content:space-between}
    .mobile-panel .m-group>span::after{content:'+';font-size:16px;color:#D42020}
    .mobile-cta{margin-top:16px;text-align:center;background:#D42020;color:#FFFFFF!important;border-radius:6px;font-family:'Archivo';font-weight:700;border-bottom:none!important;padding:14px!important}
  }
  @media(max-width:560px){
    .wrap{padding:0 18px}.dl-row{grid-template-columns:1fr;gap:4px}.dl-row.cont dt{display:none}
    .rel-grid{grid-template-columns:1fr 1fr}.prod-grid{grid-template-columns:1fr}
    .metrics-row{grid-template-columns:1fr 1fr}.foot-grid{grid-template-columns:1fr}
    .form-grid{grid-template-columns:1fr}
    .pd-actions{flex-direction:column}.pd-actions .btn-primary,.pd-actions .btn-ghost{justify-content:center}
  }
  @media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
  .cta .eyebrow{color:rgba(255,255,255,.85)}
  .cta .eyebrow::before{background:rgba(255,255,255,.7)}