:root{
    --ink:#0F1720;
    --panel:#161F29;
    --panel-2:#1D2732;
    --line: rgba(231,237,243,0.10);
    --paper:#E7EDF3;
    --muted:#8697A8;
    --pink:#B80E80;
    --blue:#0096B0;
    --radius: 2px;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{background:var(--ink); color:var(--paper); font-family:'IBM Plex Sans', sans-serif; line-height:1.6; -webkit-font-smoothing:antialiased; position:relative; overflow-x:hidden;}
  a{color:inherit;}
  img{max-width:100%; display:block;}
  .mono{font-family:'IBM Plex Mono', monospace;}
  .display{font-family:'Space Grotesk', sans-serif;}
  .wrap{max-width:1180px; margin:0 auto; padding:0 28px;}

  .port-grid{display:grid; grid-template-columns:repeat(auto-fill, minmax(14px,1fr)); gap:6px; opacity:0.9;}
  .port-grid span{aspect-ratio:1; background:rgba(231,237,243,0.06); border:1px solid rgba(231,237,243,0.08);}
  .port-grid span.lit-a{background:var(--pink); box-shadow:0 0 8px rgba(255,77,141,1), 0 0 18px rgba(255,77,141,0.6); border-color:transparent;}
  .port-grid span.lit-c{background:var(--blue); box-shadow:0 0 8px rgba(47,111,237,1), 0 0 18px rgba(47,111,237,0.6); border-color:transparent;}


  header{position:sticky; top:0; z-index:50; background:rgba(15,23,32,0.86); backdrop-filter:blur(10px); border-bottom:1px solid var(--line);}
  .nav{display:flex; align-items:center; justify-content:space-between; padding-top:22px; padding-bottom:22px;}
  .brand-logo{display:flex; align-items:center; gap:12px; text-decoration:none;}
  .brand-logo svg{display:block;}
  .brand-logo .word{font-family:'Space Grotesk', sans-serif; font-weight:700; font-size:1.125rem; letter-spacing:0.01em; color:var(--paper);}
  nav ul{list-style:none; display:flex; gap:34px;}
  nav ul a{font-size:0.9375rem; color:var(--muted); text-decoration:none; transition:color 0.2s;}
  nav ul a:hover{color:var(--paper);}
  .nav-cta{font-family:'IBM Plex Mono', monospace; font-size:0.875rem; color:#0F1720; background:var(--pink); padding:9px 16px; border-radius:var(--radius); text-decoration:none; white-space:nowrap; display:inline-flex; align-items:center; line-height:1; border:1px solid var(--pink);}
  .lang-dropdown{position:relative;}
  .lang-trigger{display:inline-flex; align-items:center; gap:8px; font-family:'IBM Plex Mono', monospace; font-size:0.875rem; line-height:1; color:var(--muted); background:none; cursor:pointer; padding:9px 12px; border-radius:var(--radius); border:1px solid var(--line); transition:color 0.2s ease, border-color 0.2s ease;}
  .lang-trigger:hover, .lang-trigger[aria-expanded="true"]{color:var(--paper); border-color:var(--blue);}
  .lang-trigger .chev{width:10px; height:10px; flex-shrink:0; transition:transform 0.2s ease;}
  .lang-trigger[aria-expanded="true"] .chev{transform:rotate(180deg);}
  .lang-menu{position:absolute; top:calc(100% + 8px); right:0; background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:6px; min-width:200px; max-height:340px; overflow-y:auto; box-shadow:0 12px 32px rgba(0,0,0,0.4); z-index:100; display:none;}
  .lang-menu.open{display:block;}
  .lang-menu a{display:flex; align-items:center; gap:10px; padding:8px 10px; border-radius:var(--radius); text-decoration:none; color:var(--paper); font-size:0.875rem; white-space:nowrap;}
  .lang-menu a:hover{background:var(--panel-2);}
  .lang-menu a.current{color:var(--pink);}
  .lang-menu .lang-flag{width:20px; height:14px;}
  .lang-flag{width:22px; height:16px; flex-shrink:0; overflow:hidden; display:block; border:1px solid var(--line);}
  .lang-flag svg{display:block; width:100%; height:100%;}

  .hero{position:relative; padding:36px 0 16px; overflow:hidden;}
  .site-bg-grid{position:fixed; inset:0; width:100%; height:100%; z-index:0; overflow:hidden; pointer-events:none;}
  .site-bg-grid .port-grid{width:100%; height:100%; grid-auto-rows:20px;}
  section, footer{background:rgba(15,23,32,0.88); position:relative; z-index:1;}
  header{position:relative; z-index:2;}
  .hero-inner{position:relative; z-index:1;}
  .hero-grid{display:grid; grid-template-columns:1fr auto; gap:48px; align-items:start;}
  .hero-grid > div:first-child{min-width:0;}
  .hero-quicklinks{width:420px; flex-shrink:0;}
  .hero-quicklinks h2{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--blue); letter-spacing:0.08em; text-transform:uppercase; margin-bottom:12px; font-weight:500;}
  .quicklink-cols{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px;}
  .quicklink-col-head{font-family:'Space Grotesk', sans-serif; font-size:0.6875rem; font-weight:600; color:var(--muted); text-transform:uppercase; letter-spacing:0.02em; margin-bottom:6px;}
  .quicklink-list{list-style:none; display:flex; flex-direction:column; gap:1px; background:var(--line); border:1px solid var(--line);}
  .quicklink-list li{background:var(--panel);}
  .quicklink-list a{display:flex; flex-direction:column; gap:2px; padding:6px 8px; text-decoration:none; color:var(--paper); font-size:0.75rem; line-height:1.25; transition:background 0.15s ease, color 0.15s ease;}
  .quicklink-list a:hover{background:var(--panel-2); color:var(--pink);}
  .quicklink-code{font-family:'IBM Plex Mono', monospace; font-size:0.625rem; color:var(--blue);}
  @media (max-width:860px){
    .hero-grid{grid-template-columns:1fr;}
    .hero-quicklinks{width:100%;}
    .quicklink-cols{grid-template-columns:1fr;}
  }
  .eyebrow{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--blue); letter-spacing:0.08em; text-transform:uppercase; margin-bottom:22px; display:flex; align-items:center; gap:10px;}
  .eyebrow::before{content:''; width:26px; height:1px; background:var(--blue);}
  h1{font-family:'Space Grotesk', sans-serif; font-weight:600; font-size:clamp(2.2rem, 5vw, 3.6rem); line-height:1.08; letter-spacing:-0.01em; max-width:820px; margin-bottom:26px;}
  h1 em{font-style:normal; color:var(--pink);}
  .lede{font-size:1.125rem; color:var(--muted); max-width:560px; margin-bottom:24px;}
  .hero-ctas{display:flex; gap:16px; flex-wrap:wrap;}
  .btn{font-family:'IBM Plex Mono', monospace; font-size:0.875rem; padding:13px 22px; border-radius:var(--radius); text-decoration:none; display:inline-flex; align-items:center; gap:8px; transition:transform 0.15s ease, background 0.15s ease;}
  .btn:hover{transform:translateY(-1px);}
  .btn-primary{background:var(--pink); color:#0F1720;}
  .btn-ghost{background:var(--blue); color:#0F1720; border:1px solid var(--blue);}
  .btn-ghost:hover{opacity:0.88;}

  .stat{background:var(--ink); padding:22px 20px;}
  .stat .n{font-family:'Space Grotesk',sans-serif; font-size:1.5rem; font-weight:600; color:var(--paper);}
  .stat .l{font-size:0.875rem; color:var(--muted); margin-top:4px;}

  #termekek{padding-top:8px;}
  section{padding:88px 0;}
  .section-head{display:flex; justify-content:space-between; align-items:flex-end; flex-wrap:wrap; gap:20px; margin-bottom:46px;}
  .tag{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--pink); letter-spacing:0.06em; margin-bottom:12px; display:block;}
  h2{font-family:'Space Grotesk', sans-serif; font-weight:600; font-size:clamp(1.6rem, 3vw, 2.2rem); letter-spacing:-0.01em;}
  .section-note{color:var(--muted); max-width:400px; font-size:0.9375rem;}

  .about-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:start;}
  .about-grid p{color:var(--muted); margin-bottom:18px; max-width:520px;}
  .about-grid p strong{color:var(--paper); font-weight:500;}
  .fact-list{border-top:1px solid var(--line);}
  .fact-row{display:flex; justify-content:space-between; gap:20px; padding:16px 0; border-bottom:1px solid var(--line); font-size:0.9375rem;}
  .fact-row .k{color:var(--muted); font-family:'IBM Plex Mono', monospace; font-size:0.75rem;}

  .cat-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
  .cluster{margin-bottom:44px;}
  .cluster:last-child{margin-bottom:0;}
  .cluster-head{
    font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--muted);
    letter-spacing:0.06em; text-transform:uppercase; margin-bottom:14px;
    display:flex; align-items:center; gap:10px;
  }
  .cluster-head::after{content:''; flex:1; height:1px; background:var(--line);}
  .cluster-grid{display:grid; grid-template-columns:repeat(2, 1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
  .cluster-grid.single{grid-template-columns:1fr;}
  .subcat-block b{color:var(--paper); font-weight:600;}
  .cat{background:var(--panel); padding:32px 28px; display:flex; flex-direction:column; gap:16px; transition:background 0.2s ease;}
  .cat:hover{background:var(--panel-2);}
  .cat-code{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:#0F1720; background:var(--pink); width:fit-content; padding:3px 8px; border-radius:var(--radius);}
  .cat-head-row{display:flex; align-items:center; gap:10px;}
  .cat-head-row h3{margin:0;}
  .cat h3{font-family:'Space Grotesk', sans-serif; font-size:1.125rem; font-weight:600;}
  .cat p{color:var(--muted); font-size:0.9375rem;}
  .cat p.subcat-block{font-size:0.75rem; line-height:1.7;}
  .cat .subcats{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--muted); line-height:1.5;}
  .cat .brands{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--blue); margin-top:auto; padding-top:10px; border-top:1px solid var(--line);}
  .cat .brands .feat{color:var(--pink); font-weight:600; font-style:normal;}
  .cat .brands .subbrand{color:var(--muted); font-weight:400;}

  .featured-label{
    font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--muted);
    letter-spacing:0.08em; text-transform:uppercase; margin-bottom:18px;
  }
  .featured-label.secondary{margin-top:56px;}
  .featured-grid{
    display:grid; grid-template-columns:repeat(4,1fr); gap:40px 28px;
    margin-bottom:16px;
  }
  .feat-tile img{width:160px; max-width:92%; height:100px; object-fit:contain; object-position:center center;}
  .feat-tile{
    background:var(--panel); padding:24px 16px; border-radius:8px;
    display:flex; flex-direction:column; align-items:center; justify-content:flex-start; gap:12px; text-align:center;
    min-height:168px;
    transition:background 0.2s ease;
  }
  .feat-tile:hover{background:var(--panel-2);}
  .belden-logo{background:var(--panel) !important; padding:8px; border-radius:8px; overflow:hidden;}
  .vendor img{max-height:76px; max-width:90%; width:auto; height:auto; object-fit:contain;}
  .feat-icon{width:32px; height:32px;}
  .feat-sub{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--muted);}
  .feat-lines{list-style:none; text-align:left; width:100%; font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--muted); line-height:1.6;}
  .feat-lines li{padding-left:1em; text-indent:-1em;}
  .feat-lines li::before{content:'– '; color:var(--blue);}
  .logotype .tiny{font-family:'IBM Plex Mono', monospace; font-weight:400; font-size:0.75rem; color:var(--muted); text-transform:none;}

  .vendor-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:36px 24px;}
  .vendor{background:var(--panel); padding:14px; border-radius:8px; min-height:96px; display:flex; align-items:center; justify-content:center; position:relative;}
  .vendor:hover{opacity:0.85;}
  .logotype{
    font-family:'Space Grotesk', sans-serif;
    font-weight:700;
    font-size:1.125rem;
    letter-spacing:0.03em;
    color:var(--paper);
    text-align:center;
    opacity:0.82;
    transition:opacity 0.2s ease, color 0.2s ease;
  }
  .logotype b{font-weight:400; color:var(--muted);}
  .logotype.lower{text-transform:lowercase; letter-spacing:0.01em;}
  .vendor:hover .logotype{opacity:1; color:var(--pink);}
  .vendor:nth-child(even):hover .logotype{color:var(--blue);}
  .vendor:hover .logotype b{color:inherit; opacity:0.7;}
  .cta-band{background:var(--panel); border:1px solid var(--line); padding:56px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:24px;}
  .cta-band h3{font-family:'Space Grotesk',sans-serif; font-size:1.5rem; font-weight:600; max-width:460px;}
  .cta-band p{color:var(--muted); margin-top:10px; max-width:460px;}

  footer{border-top:1px solid var(--line); padding:56px 0 40px;}
  .foot-grid{display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:40px;}
  .foot-col h4{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--pink); letter-spacing:0.06em; margin-bottom:16px;}
  .foot-col p, .foot-col a{display:block; color:var(--muted); text-decoration:none; font-size:0.9375rem; margin-bottom:8px;}
  .foot-col a:hover{color:var(--paper);}
  .foot-col address{font-style:normal;}
  .foot-bottom{margin-top:48px; padding-top:24px; border-top:1px solid var(--line); display:flex; justify-content:space-between; color:var(--muted); font-size:0.75rem; flex-wrap:wrap; gap:10px;}

  @media (max-width:860px){
    nav ul{display:none;}
    .about-grid{grid-template-columns:1fr;}
    .cat-grid{grid-template-columns:repeat(2,1fr);}
    .cluster-grid{grid-template-columns:1fr;}
    .vendor-grid{grid-template-columns:repeat(2,1fr);}
    .featured-grid{grid-template-columns:repeat(2,1fr);}
    .foot-grid{grid-template-columns:1fr; gap:28px;}
    .cta-band{flex-direction:column; align-items:flex-start;}
  }
  @media (max-width:480px){
    .cat-grid{grid-template-columns:1fr;}
    .vendor-grid{grid-template-columns:1fr;}
    .featured-grid{grid-template-columns:1fr;}
  }
  @media (prefers-reduced-motion:no-preference){
    .lit-a, .lit-c{ animation-name:pulse; animation-timing-function:ease-in-out; animation-iteration-count:infinite; }
    @keyframes pulse{ 0%,100%{opacity:1;} 50%{opacity:0.6;} }
  }
  :focus-visible{outline:2px solid var(--blue); outline-offset:2px;}