:root{
    --ink:#12161c;
    --ink-raised:#171c23;
    --parchment:#EDEAE3;
    --parchment-dim:#a9aeb8;
    --amber:#E8A33D;
    --teal:#4FB0A8;
    --slate:#2A323C;
    --slate-soft:#1d2229;
    --pass:#5FB27A;
    --radius:3px;
    --disp:'Space Grotesk',sans-serif;
    --body:'IBM Plex Sans',sans-serif;
    --mono:'IBM Plex Mono',monospace;
  }

  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
  }

  body{
    background:var(--ink);
    color:var(--parchment);
    font-family:var(--body);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }

  a{color:inherit;}
  a:focus-visible, button:focus-visible{outline:2px solid var(--amber); outline-offset:3px;}

  .wrap{max-width:900px; margin:0 auto; padding:0 24px;}

  /* ---- nav ---- */
  header.nav{
    position:sticky; top:0; z-index:50;
    background:rgba(18,22,28,0.88);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--slate);
  }
  .nav-inner{
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 24px; max-width:900px; margin:0 auto;
  }
  .nav-mark{
    font-family:var(--mono); font-size:13px; letter-spacing:0.02em;
    color:var(--amber);
    display:flex; align-items:center; gap:8px;
  }
  .nav-mark::before{
    content:''; width:8px; height:8px; border-radius:50%;
    background:var(--pass); box-shadow:0 0 0 3px rgba(95,178,122,0.18);
  }
  .nav-links{display:flex; gap:28px; font-family:var(--mono); font-size:13px;}
  .nav-links a{color:var(--parchment-dim); text-decoration:none; transition:color .15s;}
  .nav-links a:hover{color:var(--parchment);}
  .nav-links a.active{color:var(--amber);}
  @media (max-width:560px){ .nav-links{gap:16px;} }

  .nav-mark{text-decoration:none; cursor:pointer;}
  .nav-mark:hover{color:#f0af4d;}

  /* ---- hero ---- */
  .hero{padding:72px 0 56px; border-bottom:1px solid var(--slate);}
  .status-line{
    font-family:var(--mono); font-size:12.5px; color:var(--teal);
    letter-spacing:0.04em; text-transform:uppercase;
    display:flex; align-items:center; gap:10px; margin-bottom:22px;
  }
  .status-line .dot{width:6px; height:6px; border-radius:50%; background:var(--teal);}

  h1{
    font-family:var(--disp); font-weight:700;
    font-size:clamp(34px, 6vw, 54px);
    line-height:1.08; letter-spacing:-0.01em;
    color:var(--parchment);
  }
  .role{
    font-family:var(--disp); font-weight:500;
    font-size:clamp(17px,2.4vw,21px);
    color:var(--amber); margin-top:10px;
  }
  .hero-desc{
    max-width:560px; margin-top:20px; font-size:16px; color:var(--parchment-dim);
  }

  .badges{display:flex; flex-wrap:wrap; gap:10px; margin-top:28px;}
  .badge{
    font-family:var(--mono); font-size:12px;
    border:1px solid var(--slate); border-radius:var(--radius);
    padding:6px 11px; color:var(--parchment-dim);
    display:flex; align-items:center; gap:7px;
  }
  .badge b{color:var(--parchment); font-weight:500;}
  .badge.ok{border-color:rgba(95,178,122,0.35); color:var(--pass);}
  .badge.ok b{color:var(--pass);}

  .hero-cta{display:flex; gap:14px; margin-top:32px; flex-wrap:wrap;}
  .btn{
    font-family:var(--mono); font-size:13.5px;
    padding:11px 20px; border-radius:var(--radius);
    text-decoration:none; display:inline-flex; align-items:center; gap:8px;
    transition:transform .15s, background .15s, border-color .15s;
  }
  .btn-primary{background:var(--amber); color:#171307; font-weight:600;}
  .btn-primary:hover{transform:translateY(-1px); background:#f0af4d;}
  .btn-ghost{border:1px solid var(--slate); color:var(--parchment);}
  .btn-ghost:hover{border-color:var(--teal); color:var(--teal);}

  /* ---- section shell ---- */
  section{padding:64px 0; border-bottom:1px solid var(--slate);}
  section:last-of-type{border-bottom:none;}
  .eyebrow{
    font-family:var(--mono); font-size:12px; letter-spacing:0.08em;
    text-transform:uppercase; color:var(--teal); margin-bottom:14px;
  }
  h2{
    font-family:var(--disp); font-weight:600; font-size:clamp(24px,3.4vw,30px);
    margin-bottom:22px; color:var(--parchment);
  }

  /* ---- about ---- */
  .about-text{max-width:640px; font-size:16px; color:var(--parchment-dim);}
  .about-text p + p{margin-top:14px;}
  .about-text strong{color:var(--parchment); font-weight:600;}

  /* ---- skills ---- */
  .skill-groups{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:24px; margin-top:8px;}
  .skill-group-label{font-family:var(--mono); font-size:12px; color:var(--parchment-dim); text-transform:uppercase; letter-spacing:0.05em; margin-bottom:12px;}
  .chips{display:flex; flex-wrap:wrap; gap:8px;}
  .chip{
    font-family:var(--mono); font-size:12.5px;
    background:var(--slate-soft); border:1px solid var(--slate);
    border-radius:var(--radius); padding:6px 10px; color:var(--parchment);
  }

  /* ---- featured project: build-log style ---- */
  .project-card{
    background:var(--ink-raised); border:1px solid var(--slate); border-radius:6px;
    overflow:hidden;
  }
  .project-head{
    padding:24px 26px 20px; border-bottom:1px solid var(--slate);
    display:flex; justify-content:space-between; align-items:flex-start; gap:16px; flex-wrap:wrap;
  }
  .project-title{font-family:var(--disp); font-weight:600; font-size:22px;}
  .project-sub{color:var(--parchment-dim); font-size:14.5px; margin-top:6px; max-width:480px;}
  .status-pill{
    font-family:var(--mono); font-size:11.5px; letter-spacing:0.04em;
    background:rgba(95,178,122,0.12); color:var(--pass);
    border:1px solid rgba(95,178,122,0.35);
    border-radius:20px; padding:5px 12px; white-space:nowrap;
  }
  .stack-row{
    display:flex; flex-wrap:wrap; gap:8px; padding:18px 26px; border-bottom:1px solid var(--slate);
  }
  .log{padding:20px 26px 24px; font-family:var(--mono); font-size:13px;}
  .log-line{
    display:flex; gap:12px; padding:8px 0; border-bottom:1px dashed var(--slate-soft);
    color:var(--parchment-dim);
  }
  .log-line:last-child{border-bottom:none;}
  .log-tag{color:var(--pass); flex-shrink:0; width:56px;}
  .log-text{color:var(--parchment);}
  .project-links{padding:18px 26px 26px; display:flex; gap:14px; flex-wrap:wrap;}

  /* ---- other projects ---- */
  .proj-list{display:flex; flex-direction:column; gap:1px; margin-top:8px; background:var(--slate);}
  .proj-row{
    background:var(--ink); padding:18px 20px;
    display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap;
  }
  .proj-row-title{font-family:var(--disp); font-weight:600; font-size:16.5px;}
  .proj-row-desc{color:var(--parchment-dim); font-size:14px; margin-top:4px;}
  .proj-row a{font-family:var(--mono); font-size:12.5px; color:var(--teal); text-decoration:none; white-space:nowrap;}
  .proj-row a:hover{text-decoration:underline;}

  /* ---- contact / footer ---- */
  footer{padding:56px 0 64px;}
  .contact-row{display:flex; flex-wrap:wrap; gap:16px; margin-top:24px;}
  .contact-link{
    font-family:var(--mono); font-size:14px;
    border:1px solid var(--slate); border-radius:var(--radius);
    padding:12px 18px; text-decoration:none; color:var(--parchment);
    display:flex; align-items:center; gap:10px; transition:border-color .15s, color .15s;
  }
  .contact-link:hover{border-color:var(--amber); color:var(--amber);}
  .foot-note{margin-top:40px; font-family:var(--mono); font-size:12px; color:var(--parchment-dim);}

  /* ---- responsive (global) ---- */
  @media (max-width:600px){
    .wrap{padding:0 18px;}
    .hero{padding:56px 0 40px;}
    section{padding:48px 0;}
    .project-head, .stack-row, .log, .project-links{padding-left:18px; padding-right:18px;}
  }
  @media (max-width:480px){
    .nav-inner{flex-wrap:wrap; gap:10px; padding:14px 18px;}
    .nav-links{gap:14px; font-size:12px;}
    .badge{font-size:11px; padding:5px 9px;}
    .hero-cta .btn{flex:1 1 auto; justify-content:center;}
  }