:root{
    --bg-0: #0a0d12;
    --bg-1: #10151c;
    --bg-2: #161c25;
    --border: #232a35;
    --border-soft: #1b212a;
    --text-hi: #e7e9ec;
    --text-mid: #aab1bd;
    --text-low: #6b7280;
    --amber: #f5a623;
    --amber-dim: #8a651c;
    --online: #3ddc97;
    --pending: #4a5568;
    --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
    --sans: 'IBM Plex Sans', system-ui, sans-serif;
  }

  *{ box-sizing: border-box; }
  html{ scroll-behavior: smooth; }
  body{
    margin:0;
    background: var(--bg-0);
    background-image:
      radial-gradient(ellipse 900px 500px at 15% -10%, rgba(245,166,35,0.06), transparent 60%),
      radial-gradient(ellipse 700px 500px at 100% 20%, rgba(61,220,151,0.04), transparent 60%);
    color: var(--text-hi);
    font-family: var(--sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  a{ color: inherit; }
  ::selection{ background: var(--amber-dim); color: #fff; }

  :focus-visible{
    outline: 2px solid var(--amber);
    outline-offset: 3px;
    border-radius: 2px;
  }

  .wrap{
    max-width: 920px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* ---------- NAV ---------- */
  .nav{
    position: sticky; top:0; z-index: 20;
    background: rgba(10,13,18,0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-soft);
  }
  .nav-inner{
    max-width: 920px; margin: 0 auto; padding: 14px 24px;
    display:flex; align-items:center; justify-content: space-between;
    gap: 16px;
  }
  .brand{
    font-family: var(--mono); font-size: 14px; font-weight:600;
    color: var(--text-hi); text-decoration:none; letter-spacing: 0.02em;
    flex-shrink: 0;
  }
  .brand span{ color: var(--amber); }
  .nav-right{ display:flex; align-items:center; gap: 22px; }
  .nav-links{ display:flex; gap: 22px; list-style:none; margin:0; padding:0; }
  .nav-links a{
    font-family: var(--mono); font-size: 12.5px; color: var(--text-mid);
    text-decoration:none; letter-spacing:0.03em;
  }
  .nav-links a:hover{ color: var(--amber); }

  .lang-switch{
    display:flex; gap: 4px; font-family: var(--mono); font-size: 11.5px;
    border: 1px solid var(--border); border-radius: 6px; padding: 3px;
  }
  .lang-switch button{
    background: none; border: none; color: var(--text-low);
    padding: 4px 8px; border-radius: 4px; cursor: pointer;
    font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.03em;
  }
  .lang-switch button:hover{ color: var(--text-hi); }
  .lang-switch button.active{ background: var(--amber); color: #1a1206; font-weight:600; }

  @media (max-width: 640px){
    .nav-links{ display:none; }
  }

  /* ---------- HERO ---------- */
  .hero{ padding: 76px 0 40px; }
  .eyebrow{
    font-family: var(--mono); font-size: 12.5px; color: var(--online);
    display:flex; align-items:center; gap:8px; margin-bottom: 22px;
  }
  .dot{
    width:7px; height:7px; border-radius:50%; background: var(--online);
    box-shadow: 0 0 0 0 rgba(61,220,151,0.5);
    animation: pulse 2.4s ease-out infinite;
  }
  @keyframes pulse{
    0%{ box-shadow: 0 0 0 0 rgba(61,220,151,0.45); }
    70%{ box-shadow: 0 0 0 7px rgba(61,220,151,0); }
    100%{ box-shadow: 0 0 0 0 rgba(61,220,151,0); }
  }

  .term{
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 22px 26px;
    font-family: var(--mono);
    font-size: 14px;
    color: var(--text-mid);
    box-shadow: 0 20px 60px -30px rgba(0,0,0,0.7);
  }
  .term .prompt{ color: var(--amber); }
  .term .out{ color: var(--text-hi); }
  .term .line{ margin: 0 0 6px; white-space: pre-wrap; }
  .caret{
    display:inline-block; width:8px; height:15px; background: var(--amber);
    margin-left:4px; vertical-align: -2px;
    animation: blink 1s step-end infinite;
  }
  @keyframes blink{ 50%{ opacity:0; } }

  h1.name{
    font-family: var(--mono);
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 700;
    margin: 30px 0 6px;
    letter-spacing: -0.01em;
  }
  .role{
    font-size: 17px; color: var(--text-mid); margin: 0 0 22px; max-width: 620px;
  }
  .role strong{ color: var(--text-hi); font-weight:600; }

  .cta-row{ display:flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
  .btn{
    font-family: var(--mono); font-size: 13px; text-decoration:none;
    padding: 10px 18px; border-radius: 6px; border:1px solid var(--border);
    color: var(--text-hi); transition: border-color .15s, background .15s;
  }
  .btn:hover{ border-color: var(--amber); background: rgba(245,166,35,0.06); }
  .btn.primary{ background: var(--amber); color: #1a1206; border-color: var(--amber); font-weight:600; }
  .btn.primary:hover{ background:#ffb948; }

  /* ---------- SECTION LABELS ---------- */
  .section{ padding: 56px 0; border-top: 1px solid var(--border-soft); }
  .section-label{
    font-family: var(--mono); font-size: 12px; color: var(--text-low);
    letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 6px;
  }
  .section-title{
    font-size: 22px; font-weight: 600; margin: 0 0 30px; color: var(--text-hi);
  }

  /* ---------- ABOUT ---------- */
  .about-grid{
    display:grid; grid-template-columns: 1fr 1fr; gap: 40px;
  }
  @media (max-width: 700px){ .about-grid{ grid-template-columns: 1fr; } }
  .about p{ color: var(--text-mid); font-size: 15px; margin: 0 0 14px; }
  .stat-list{ display:flex; flex-direction:column; gap: 14px; }
  .stat{
    display:flex; justify-content:space-between; align-items:baseline;
    border-bottom: 1px dashed var(--border); padding-bottom: 10px;
    font-family: var(--mono); font-size: 13px;
  }
  .stat .k{ color: var(--text-low); }
  .stat .v{ color: var(--text-hi); }

  /* ---------- NETWORK DIAGRAM ---------- */
  .net{ position: relative; padding-top: 10px; }
  .root-node{
    display:inline-flex; align-items:center; gap:10px;
    font-family: var(--mono); font-size: 14px; font-weight:600;
    background: var(--bg-2); border:1px solid var(--amber-dim);
    padding: 10px 18px; border-radius: 7px; margin: 0 auto 0; color: var(--amber);
  }
  .root-wrap{ display:flex; justify-content:center; margin-bottom: 0; }
  .trunk{
    width: 1px; height: 34px; background: var(--border);
    margin: 0 auto;
  }
  svg.branch{ display:block; width:100%; height:46px; }
  svg.branch path{
    fill:none; stroke: var(--border); stroke-width:1.5;
  }

  .nodes{
    display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
  }
  @media (max-width: 760px){ .nodes{ grid-template-columns: 1fr; } }

  .node{
    background: var(--bg-1); border: 1px solid var(--border);
    border-radius: 10px; padding: 18px 18px 16px;
    display:flex; flex-direction:column; gap:10px;
    transition: border-color .15s, transform .15s;
  }
  .node.live:hover{ border-color: var(--online); transform: translateY(-2px); }
  .node.pending{ border-style: dashed; }

  .node-head{ display:flex; align-items:center; justify-content:space-between; }
  .node-domain{
    font-family: var(--mono); font-size: 13px; font-weight:600; color: var(--text-hi);
  }
  .status{
    display:flex; align-items:center; gap:6px; font-family: var(--mono); font-size: 10.5px;
    letter-spacing: 0.05em; text-transform:uppercase;
  }
  .status.on{ color: var(--online); }
  .status.pend{ color: var(--text-low); }
  .status .sdot{ width:6px; height:6px; border-radius:50%; background: currentColor; }
  .status.on .sdot{ animation: pulse 2.4s ease-out infinite; }

  .node-desc{ font-size: 13.5px; color: var(--text-mid); margin:0; min-height: 42px; }
  .tags{ display:flex; flex-wrap:wrap; gap:6px; margin-top:2px; }
  .tag{
    font-family: var(--mono); font-size: 10.5px; color: var(--text-mid);
    border:1px solid var(--border-soft); background: var(--bg-2);
    padding: 3px 7px; border-radius: 4px;
  }
  .node-link{
    margin-top:6px; font-family: var(--mono); font-size: 12px; color: var(--amber);
    text-decoration:none; display:inline-flex; align-items:center; gap:5px;
  }
  .node-link:hover{ text-decoration: underline; }

  /* ---------- RADAR ---------- */
  .radar-subtitle{
    font-size: 13.5px; color: var(--text-low); margin: -20px 0 22px;
  }
  .radar-list{
    display:flex; flex-direction:column;
    background: var(--bg-1); border:1px solid var(--border); border-radius: 8px;
    overflow: hidden;
  }
  .radar-item{
    display:flex; align-items:baseline; gap: 12px;
    padding: 13px 18px; border-bottom: 1px solid var(--border-soft);
    text-decoration:none; transition: background .12s;
  }
  .radar-item:last-child{ border-bottom:none; }
  .radar-item:hover{ background: rgba(245,166,35,0.05); }
  .radar-tag{
    font-family: var(--mono); font-size: 10px; font-weight:600; letter-spacing:0.04em;
    padding: 2px 7px; border-radius: 4px; flex-shrink:0; text-transform: uppercase;
  }
  .radar-tag.java{ color: var(--amber); background: rgba(245,166,35,0.12); }
  .radar-tag.php{ color: #8ab4f8; background: rgba(138,180,248,0.12); }
  .radar-title{
    font-size: 13.5px; color: var(--text-hi); flex:1; min-width:0;
    overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
  }
  .radar-meta{
    font-family: var(--mono); font-size: 11px; color: var(--text-low); flex-shrink:0;
  }
  .radar-state{
    padding: 22px 18px; font-family: var(--mono); font-size: 12.5px; color: var(--text-low);
    text-align:center;
  }
  .radar-state a{ color: var(--amber); text-decoration:none; }
  .radar-state a:hover{ text-decoration:underline; }
  @media (max-width: 600px){
    .radar-title{ white-space:normal; }
  }

  /* ---------- TOOLBOX ---------- */
  .toolbox{
    font-family: var(--mono); font-size: 13px; color: var(--text-mid);
    background: var(--bg-1); border:1px solid var(--border); border-radius: 8px;
    padding: 18px 20px;
  }
  .toolbox .row{ display:flex; gap: 14px; padding: 6px 0; border-bottom: 1px solid var(--border-soft); }
  .toolbox .row:last-child{ border-bottom:none; }
  .toolbox .cat{ color: var(--text-low); width: 130px; flex-shrink:0; }
  .toolbox .items{ color: var(--text-hi); }

  /* ---------- FOOTER ---------- */
  footer{ border-top: 1px solid var(--border-soft); padding: 40px 0 60px; }
  .contact-grid{
    display:flex; flex-wrap:wrap; gap: 10px 28px; font-family: var(--mono); font-size: 13px;
  }
  .contact-grid a{ text-decoration:none; color: var(--text-mid); }
  .contact-grid a:hover{ color: var(--amber); }
  .contact-grid .lbl{ color: var(--text-low); margin-right: 6px; }
  .copyline{ margin-top: 26px; font-family: var(--mono); font-size: 11.5px; color: var(--text-low); }

  @media (prefers-reduced-motion: reduce){
    .caret, .dot, .status.on .sdot{ animation: none; }
  }