:root{
    --ink:#0B0F14;
    --panel:#12181F;
    --panel-border:#232B35;
    --fog:#8B96A3;
    --paper:#EDEFF2;
    --accent:#ED1F24;
    --accent-dim:rgba(237,31,36,0.14);
    --signal-amber:#F5A623;
    --signal-green:#3ECF8E;
    --radius:2px;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  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;
  }
  h1,h2,h3{
    font-family:'Space Grotesk', sans-serif;
    font-weight:600;
    letter-spacing:-0.01em;
    line-height:1.12;
  }
  .mono{
    font-family:'JetBrains Mono', monospace;
    letter-spacing:0.06em;
    text-transform:uppercase;
  }
  a{color:inherit;text-decoration:none;}
  img,svg{display:block;max-width:100%;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
  section{position:relative;}

  a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:3px;
  }

  /* status bar */
  .statusbar{
    background:#0E1319;
    border-bottom:1px solid var(--panel-border);
    padding:9px 0;
    font-size:11px;
  }
  .statusbar .wrap{display:flex;align-items:center;justify-content:space-between;color:var(--fog);}
  .status-left{display:flex;align-items:center;gap:8px;}
  .dot{
    width:7px;height:7px;border-radius:50%;
    background:var(--accent);
    box-shadow:0 0 0 0 rgba(237,31,36,0.6);
    animation:pulse 2.4s infinite;
  }
  @keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(237,31,36,0.5);}
    70%{box-shadow:0 0 0 6px rgba(237,31,36,0);}
    100%{box-shadow:0 0 0 0 rgba(237,31,36,0);}
  }
  .status-right{display:flex;gap:18px;}
  .status-right span{color:var(--panel-border);}

  /* nav */
  header{
    position:sticky;top:0;z-index:50;
    background:rgba(11,15,20,0.86);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--panel-border);
  }
  nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0;}
  .logo{display:flex;align-items:center;}
  .logo-badge{
    background:var(--paper);
    padding:7px 14px 5px;
    border-radius:4px;
    display:flex;align-items:center;
  }
  .logo-badge img{height:22px;width:auto;display:block;}
  footer .logo-badge img{height:18px;}
  .navlinks{display:flex;gap:34px;font-size:13px;}
  .navlinks a{color:var(--fog);transition:color .15s;position:relative;}
  .navlinks a:hover{color:var(--paper);}
  .navlinks a.active-nav{color:var(--accent);}
  .navcta{
    font-size:12px;padding:9px 16px;border:1px solid var(--accent);color:var(--accent);
    border-radius:var(--radius); transition:background .15s,color .15s;
  }
  .navcta:hover{background:var(--accent);color:var(--ink);}
  .burger{display:none;background:none;border:none;color:var(--paper);font-size:22px;cursor:pointer;}

  /* signal rail — signature element */
  .rail{
    display:flex;gap:10px;align-items:center;
  }
  .rail .seg{
    width:26px;height:4px;background:var(--panel-border);border-radius:2px;
    transition:background .4s;
  }
  .rail .seg.lit{background:var(--accent);}

  /* hero */
  .hero{padding:100px 0 90px;overflow:hidden;}
  .hero .wrap{display:grid;grid-template-columns:1.1fr 0.9fr;gap:60px;align-items:center;}
  .eyebrow{color:var(--accent);font-size:11px;margin-bottom:22px;display:flex;align-items:center;gap:10px;}
  .eyebrow::before{content:"";width:16px;height:1px;background:var(--accent);}
  h1.hero-title{font-size:clamp(34px,4.6vw,54px);margin-bottom:22px;}
  h1.hero-title em{font-style:normal;color:var(--accent);}
  .hero p.lede{color:var(--fog);font-size:17px;max-width:46ch;margin-bottom:34px;}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
  .btn-primary{
    background:var(--accent);color:var(--ink);padding:13px 22px;font-size:13.5px;font-weight:600;
    border-radius:var(--radius);
  }
  .btn-secondary{
    border:1px solid var(--panel-border);color:var(--paper);padding:13px 22px;font-size:13.5px;
    border-radius:var(--radius);
  }
  .btn-secondary:hover{border-color:var(--fog);}

  /* hero signal graphic */
  .signal-graphic{
    border:1px solid var(--panel-border);
    background:var(--panel);
    padding:26px;
    font-family:'JetBrains Mono';
  }
  .sg-head{display:flex;justify-content:space-between;font-size:10.5px;color:var(--fog);margin-bottom:20px;}
  .sg-row{display:flex;align-items:center;gap:14px;padding:10px 0;border-top:1px solid var(--panel-border);font-size:12px;}
  .sg-row:first-of-type{border-top:none;}
  .sg-led{width:11px;height:11px;border-radius:50%;flex-shrink:0;}
  .sg-led.red{background:var(--accent);}
  .sg-led.amber{background:var(--signal-amber);animation:pulse 2.4s infinite;}
  .sg-led.green{background:var(--signal-green);}
  .sg-label{color:var(--fog);flex:1;}
  .sg-val{color:var(--paper);}

  /* section headers */
  .sec-head{max-width:640px;margin-bottom:56px;}
  .sec-head .eyebrow::before{display:none;}
  .sec-head .eyebrow{margin-bottom:14px;}
  .sec-head h2{font-size:clamp(26px,3.4vw,36px);margin-bottom:14px;}
  .sec-head p{color:var(--fog);font-size:15.5px;}

  /* domains */
  .domains{padding:100px 0;border-top:1px solid var(--panel-border);}
  .domain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--panel-border);border:1px solid var(--panel-border);}
  .domain-card{background:var(--ink);padding:38px;transition:background .2s;}
  .domain-card:hover{background:var(--panel);}
  .dc-tag{
    display:inline-block;font-size:10.5px;color:var(--accent);
    border:1px solid rgba(237,31,36,0.35);background:var(--accent-dim);
    padding:4px 9px;border-radius:2px;margin-bottom:18px;
  }
  .domain-card h3{font-size:21px;margin-bottom:12px;}
  .domain-card p{color:var(--fog);font-size:14.5px;margin-bottom:18px;}
  .dc-list{list-style:none;font-size:13px;color:var(--paper);}
  .dc-list li{padding:6px 0;border-top:1px solid var(--panel-border);display:flex;gap:10px;}
  .dc-list li:first-child{border-top:none;}
  .dc-list li::before{content:"—";color:var(--fog);}

  /* studio highlight */
  .studio{padding:0 0 100px;}
  .studio-inner{
    border:1px solid var(--panel-border);
    background:linear-gradient(135deg, var(--panel) 0%, #0E1319 100%);
    padding:52px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  }
  .studio-inner h3{font-size:26px;margin-bottom:14px;}
  .studio-inner h3 span{color:var(--accent);}
  .studio-inner p{color:var(--fog);font-size:14.5px;margin-bottom:20px;}
  .studio-tags{display:flex;gap:10px;flex-wrap:wrap;}
  .studio-tags span{
    font-size:11px;border:1px solid var(--panel-border);padding:6px 11px;border-radius:2px;color:var(--fog);
  }
  .studio-visual{
    aspect-ratio:4/3;border:1px solid var(--panel-border);
    background:
      repeating-linear-gradient(0deg, transparent 0 27px, rgba(237,31,36,0.06) 27px 28px),
      repeating-linear-gradient(90deg, transparent 0 27px, rgba(237,31,36,0.06) 27px 28px);
    display:flex;align-items:center;justify-content:center;
  }
  .studio-visual .mono{color:var(--panel-border);font-size:11px;}

  /* process */
  .process{padding:100px 0;border-top:1px solid var(--panel-border);}
  .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--panel-border);border:1px solid var(--panel-border);}
  .proc-step{background:var(--ink);padding:30px 26px;}
  .proc-step .mono{color:var(--accent);font-size:11px;margin-bottom:16px;display:block;}
  .proc-step h4{font-size:15.5px;margin-bottom:8px;font-family:'Space Grotesk';}
  .proc-step p{color:var(--fog);font-size:13px;}

  /* formation cta */
  .formation{padding:90px 0;border-top:1px solid var(--panel-border);}
  .formation-band{
    border:1px solid var(--panel-border);padding:48px;display:flex;justify-content:space-between;
    align-items:center;gap:30px;flex-wrap:wrap;
  }
  .formation-band h3{font-size:24px;max-width:480px;}
  .formation-band h3 span{color:var(--accent);}
  .formation-band p{color:var(--fog);font-size:14px;margin-top:10px;max-width:480px;}

  /* contact */
  .contact{padding:100px 0;border-top:1px solid var(--panel-border);}
  .contact-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:60px;}
  .contact-info dl{font-size:14px;}
  .contact-info dt{color:var(--fog);font-size:11px;margin-top:22px;margin-bottom:5px;}
  .contact-info dt:first-child{margin-top:0;}
  .contact-info dd{color:var(--paper);}
  .form-grid{display:grid;gap:16px;}
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  label{font-size:11px;color:var(--fog);display:block;margin-bottom:7px;}
  input,textarea,select{
    width:100%;background:var(--panel);border:1px solid var(--panel-border);color:var(--paper);
    padding:12px 13px;font-family:inherit;font-size:13.5px;border-radius:var(--radius);
  }
  textarea{resize:vertical;min-height:100px;}
  input::placeholder,textarea::placeholder{color:#4a5460;}
  .form-submit{
    justify-self:start;background:var(--accent);color:var(--ink);padding:13px 24px;
    font-weight:600;font-size:13.5px;border:none;cursor:pointer;border-radius:var(--radius);
  }

  footer{border-top:1px solid var(--panel-border);padding:36px 0;}
  footer .wrap{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--fog);flex-wrap:wrap;gap:14px;}

  @media (max-width:860px){
    .navlinks,.rail{display:none;}
    .burger{display:block;}
    .hero .wrap{grid-template-columns:1fr;}
    .domain-grid{grid-template-columns:1fr;}
    .studio-inner{grid-template-columns:1fr;}
    .process-grid{grid-template-columns:1fr 1fr;}
    .contact-grid{grid-template-columns:1fr;}
    .form-row{grid-template-columns:1fr;}
    .formation-band{flex-direction:column;align-items:flex-start;}
    .status-right{display:none;}
  }

  /* portfolio */
  .portfolio{padding:100px 0;border-top:1px solid var(--panel-border);}
  .portfolio-filters{display:flex;gap:10px;margin-bottom:40px;flex-wrap:wrap;}
  .pf-btn{
    font-size:11px;padding:9px 15px;border:1px solid var(--panel-border);color:var(--fog);
    border-radius:2px;cursor:pointer;background:none;font-family:'JetBrains Mono';
    text-transform:uppercase;letter-spacing:0.06em;transition:all .15s;
  }
  .pf-btn:hover{color:var(--paper);border-color:var(--fog);}
  .pf-btn.active{color:var(--accent);border-color:var(--accent);background:var(--accent-dim);}
  .portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .pf-card{border:1px solid var(--panel-border);background:var(--panel);overflow:hidden;transition:border-color .2s;}
  .pf-card:hover{border-color:var(--accent);}
  .pf-card img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;background:var(--ink);}
  .pf-card-body{padding:22px;}
  .pf-card .dc-tag{margin-bottom:12px;}
  .pf-card h4{font-size:16.5px;margin-bottom:8px;font-family:'Space Grotesk';}
  .pf-card p{color:var(--fog);font-size:13px;margin-bottom:14px;}
  .pf-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px;}
  .pf-tags span{font-size:10px;color:var(--fog);border:1px solid var(--panel-border);padding:3px 8px;border-radius:2px;}
  .pf-meta{
    display:flex;justify-content:space-between;font-size:10.5px;color:var(--fog);
    font-family:'JetBrains Mono';border-top:1px solid var(--panel-border);padding-top:12px;
  }
  .pf-empty{color:var(--fog);font-size:14px;grid-column:1/-1;text-align:center;padding:50px 0;}

  @media (max-width:860px){
    .portfolio-grid{grid-template-columns:1fr;}
  }