:root{
    --paper:#F6F7F5;
    --ink:#12171C;
    --ink-muted:#5B6570;
    --grid:#D8DCDD;
    --green:#1F7A5C;
    --green-soft:#E4F0EA;
    --amber:#C97A2B;
    --code-bg:#12171C;
    --code-text:#E8EAE6;
    --code-muted:#7C8790;
    --code-green:#6ED3A4;
    --code-amber:#E3A868;
    --radius:10px;
    --maxw:900px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:#FFFFFF;
    color:var(--ink);
    font-family:'Inter',sans-serif;
    font-size:16px;
    line-height:1.6;
  }
  a{color:inherit;}
  :focus-visible{outline:2px solid var(--green); outline-offset:2px;}

  .mono{font-family:'JetBrains Mono', monospace;}
  .display{font-family:'Space Grotesk', sans-serif;}

  /* nav */
  header.site{
    position:sticky; top:0; z-index:10;
    background:rgba(246,247,245,0.86);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--grid);
  }
  .nav-inner{
    max-width:var(--maxw); margin:0 auto; padding:16px 24px;
    display:flex; align-items:center; justify-content:space-between;
  }
  .logo{font-weight:600; font-size:14px; letter-spacing:0.02em; text-decoration:none;}

  /* nav links */
  .nav-links{display:flex; gap:22px; align-items:center;}
  .nav-links a{
    position:relative; font-size:14px; color:var(--ink-muted);
    text-decoration:none; padding:4px 0; white-space:nowrap;
  }
  .nav-links a::after{
    content:''; position:absolute; left:0; right:0; bottom:-2px; height:2px;
    background:var(--green); transform:scaleX(0); transform-origin:left; border-radius:2px;
  }
  @media (prefers-reduced-motion: no-preference){
    .nav-links a{transition:color 0.2s ease;}
    .nav-links a::after{transition:transform 0.25s ease;}
  }
  .nav-links a:hover{color:var(--ink);}
  .nav-links a:hover::after{transform:scaleX(1);}
  .nav-links a.active{color:var(--green); font-weight:600;}
  .nav-links a.active::after{transform:scaleX(1);}

  .nav-right{display:flex; align-items:center; gap:12px;}

  /* mobile menu button */
  .nav-toggle{
    display:none; flex-direction:column; justify-content:center; gap:4px;
    width:38px; height:34px; padding:0 8px;
    background:#fff; border:1px solid var(--grid); border-radius:8px; cursor:pointer;
  }
  .nav-toggle span{
    display:block; height:2px; width:100%; background:var(--ink); border-radius:2px;
  }
  @media (prefers-reduced-motion: no-preference){
    .nav-toggle span{transition:transform 0.25s ease, opacity 0.2s ease;}
  }
  .nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  /* scroll offset for sticky header */
  section[id], footer[id]{scroll-margin-top:78px;}
  .status-pill{
    display:inline-flex; align-items:center; gap:8px;
    font-size:12.5px; color:var(--ink-muted);
    border:1px solid var(--grid); border-radius:999px;
    padding:6px 12px; background:#fff;
  }
  .dot{width:7px; height:7px; border-radius:50%; background:var(--green); flex:0 0 auto;}
  @media (prefers-reduced-motion: no-preference){
    .dot{animation:pulse 2.2s ease-in-out infinite;}
  }
  @keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.35;}}
  header.site{transition:box-shadow 0.3s ease;}
  header.site.scrolled{box-shadow:0 8px 24px -18px rgba(18,23,28,0.28);}
  .status-pill{transition:box-shadow 0.3s ease;}
  @media (prefers-reduced-motion: no-preference){
    header.site{animation:slideDown 0.5s cubic-bezier(.16,1,.3,1) both;}
    .status-pill{animation:glow 2.4s ease-in-out infinite;}
  }
  @keyframes slideDown{from{transform:translateY(-100%);}to{transform:translateY(0);}}
  @keyframes glow{
    0%,100%{box-shadow:0 0 0 0 rgba(31,122,92,0);}
    50%{box-shadow:0 0 0 4px rgba(31,122,92,0.10);}
  }

  /* scroll progress */
  .scroll-progress{
    position:fixed; top:0; left:0; height:2px; width:0%;
    background:var(--green); z-index:20; transition:width 0.12s linear;
  }

  /* scroll reveal */
  .reveal{opacity:0; transform:translateY(18px);}
  .reveal.in{opacity:1; transform:translateY(0);}
  @media (prefers-reduced-motion: no-preference){
    .reveal{transition:opacity 0.6s cubic-bezier(.16,1,.3,1), transform 0.6s cubic-bezier(.16,1,.3,1);}
  }
  @media (prefers-reduced-motion: reduce){
    .reveal{opacity:1 !important; transform:none !important;}
  }

  /* layout helpers */
  .wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px;}
  section{padding:44px 0;}
  section.lead{padding-top:56px;}
  .eyebrow{
    font-size:12.5px; text-transform:uppercase; letter-spacing:0.08em;
    color:var(--green); font-weight:600; margin:0 0 14px;
  }

  /* hero */
  .hero{padding-top:44px; padding-bottom:44px;}
  .filetab{
    font-size:12.5px; color:var(--ink-muted); margin-bottom:8px; padding-left:4px;
  }
  .code-box{
    background:var(--code-bg); color:var(--code-text);
    border-radius:var(--radius);
    padding:22px 4px;
    box-shadow:0 12px 32px -12px rgba(18,23,28,0.35);
    overflow-x:auto;
  }
  .code-line{
    display:flex; white-space:pre;
    font-size:14.5px; line-height:1.85;
  }
  .line-no{
    width:34px; flex:0 0 auto; text-align:right; padding-right:16px;
    color:#3E4750; user-select:none; font-size:13px;
  }
  .line-content{padding-right:16px;}
  .kw{color:var(--code-green);}
  .str{color:var(--code-amber);}
  .cm{color:var(--code-muted);}
  #cursor{display:inline-block; width:8px; background:var(--code-green); margin-left:2px;}
  @media (prefers-reduced-motion: no-preference){
    #cursor{animation:blink 1s step-end infinite;}
  }
  @keyframes blink{50%{opacity:0;}}
  @media (prefers-reduced-motion: no-preference){
    .hero .filetab{animation:fadeUp 0.55s cubic-bezier(.16,1,.3,1) 0.1s both;}
    .hero .code-box{animation:fadeUp 0.6s cubic-bezier(.16,1,.3,1) 0.22s both;}
  }
  @keyframes fadeUp{from{opacity:0; transform:translateY(12px);}to{opacity:1; transform:translateY(0);}}

  .results{
    margin-top:18px;
    border:1px solid var(--grid); border-radius:var(--radius);
    background:#fff; overflow:hidden;
    opacity:0; transform:translateY(6px);
  }
  .results.show{
    opacity:1; transform:translateY(0);
  }
  @media (prefers-reduced-motion: no-preference){
    .results{transition:opacity 0.5s ease, transform 0.5s ease;}
  }
  .results table{width:100%; border-collapse:collapse;}
  .results th{
    text-align:left; font-family:'JetBrains Mono',monospace; font-size:11.5px;
    text-transform:uppercase; letter-spacing:0.06em; color:var(--ink-muted);
    padding:12px 16px; border-bottom:1px solid var(--grid); background:var(--green-soft);
  }
  .results td{
    padding:16px; font-size:15.5px; border-bottom:none; vertical-align:top;
  }
  .results td strong{font-family:'Space Grotesk',sans-serif; font-size:18px;}

  .result-meta{
    font-size:12.5px; color:var(--ink-muted); margin:14px 0 0; padding-left:2px;
    opacity:0; transform:translateY(4px);
  }
  .result-meta.show{opacity:1; transform:translateY(0);}
  @media (prefers-reduced-motion: no-preference){
    .result-meta{transition:opacity 0.4s ease, transform 0.4s ease;}
  }
  .selection-wrap{position:relative;}
  .selection-wrap.show::before{
    content:''; position:absolute; inset:-5px; border-radius:calc(var(--radius) + 5px);
    pointer-events:none;
    background-image:
      linear-gradient(90deg, var(--green) 50%, transparent 50%),
      linear-gradient(90deg, var(--green) 50%, transparent 50%),
      linear-gradient(0deg, var(--green) 50%, transparent 50%),
      linear-gradient(0deg, var(--green) 50%, transparent 50%);
    background-repeat:repeat-x, repeat-x, repeat-y, repeat-y;
    background-size:8px 2px, 8px 2px, 2px 8px, 2px 8px;
    background-position:0 0, 0 100%, 0 0, 100% 0;
  }
  @media (prefers-reduced-motion: no-preference){
    .selection-wrap.show::before{animation:marching 0.8s linear infinite;}
  }
  @keyframes marching{to{background-position:8px 0, -8px 100%, 0 -8px, 100% 8px;}}

  /* about */
  h2.section-title{
    font-family:'Space Grotesk',sans-serif; font-size:28px; margin:0 0 18px;
  }
  #heroTypedText.typing::after{
    content:''; display:inline-block; width:3px; height:0.95em;
    margin-left:3px; background:var(--green); vertical-align:-0.12em;
  }
  @media (prefers-reduced-motion: no-preference){
    #heroTypedText.typing::after{animation:blink 1s step-end infinite;}
  }
  .about-grid{
    display:grid; grid-template-columns:220px 1fr; gap:36px; align-items:start;
  }
  .avatar{
    width:220px; height:220px; border-radius:50%; overflow:hidden;
    background:var(--green-soft); border:1px solid var(--grid); position:relative;
  }
  .avatar img{width:100%; height:100%; object-fit:cover; display:block;}
  .avatar-fallback{
    display:none; align-items:center; justify-content:center;
    width:100%; height:100%; font-family:'Space Grotesk',sans-serif;
    font-size:48px; font-weight:600; color:var(--green);
  }
  .about-text{max-width:62ch; color:var(--ink); font-size:16.5px;}
  .about-text + .about-text{margin-top:12px;}

  /* schema table (skills) */
  .schema{
    width:100%; border-collapse:collapse; margin-top:8px;
    table-layout:fixed;
  }
  .schema thead th{
    font-family:'JetBrains Mono',monospace; font-size:11.5px; text-transform:uppercase;
    letter-spacing:0.06em; color:var(--ink-muted); text-align:left;
    padding:10px 14px; border-bottom:1px solid var(--ink);
  }
  .schema tbody td{
    padding:14px; border-bottom:1px solid var(--grid); font-size:15px; vertical-align:top;
    overflow-wrap:break-word;
  }
  /* hover accent drawn with an inset shadow on the first cell — no positioned
     rows, which is what was throwing the column widths out of alignment */
  .schema tbody td:first-child{box-shadow:inset 0 0 0 0 var(--green);}
  @media (prefers-reduced-motion: no-preference){
    .schema tbody td{transition:background 0.25s ease;}
    .schema tbody td:first-child{transition:background 0.25s ease, box-shadow 0.25s ease;}
  }
  .schema tbody tr:hover td{background:var(--green-soft);}
  .schema tbody tr:hover td:first-child{box-shadow:inset 3px 0 0 0 var(--green);}
  .col-no{width:52px;}
  .col-field{width:148px;}
  .col-type{width:172px;}
  .field-name{font-family:'JetBrains Mono',monospace; font-weight:600; font-size:14.5px;}
  .field-type{
    font-family:'JetBrains Mono',monospace; font-size:12.5px; color:var(--green);
    background:var(--green-soft); padding:3px 8px; border-radius:5px; white-space:nowrap;
  }
  .field-desc{color:var(--ink-muted);}
  .field-no{
    font-family:'JetBrains Mono',monospace; font-size:12.5px; color:var(--ink-muted);
  }

  /* cert footer */
  .cert-foot{
    display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
  }
  .cert-btn{
    display:inline-flex; align-items:center; gap:6px;
    font-size:12.5px; font-weight:600; color:var(--green); text-decoration:none;
    border:1px solid var(--green); border-radius:999px; padding:5px 12px;
    white-space:nowrap;
  }
  @media (prefers-reduced-motion: no-preference){
    .cert-btn{transition:background 0.2s ease, color 0.2s ease;}
  }
  .cert-btn:hover{background:var(--green); color:#fff;}
  .see-more{margin-top:28px; text-align:center;}
  .see-more .cv-btn{margin-top:0;}
  .see-more-note{font-size:12.5px; color:var(--ink-muted); margin-top:10px;}
  .certs-all{margin-top:20px; text-align:center;}
  .certs-all .cv-btn{margin-top:0;}

  /* languages */
  .lang-grid{
    display:grid; grid-template-columns:repeat(auto-fit, minmax(220px,1fr)); gap:16px;
  }
  .lang-card{
    border:1px solid var(--grid); border-radius:var(--radius); padding:18px; background:#fff;
  }
  @media (prefers-reduced-motion: no-preference){
    .lang-card{transition:border-color 0.25s ease, transform 0.25s ease;}
  }
  .lang-card:hover{border-color:var(--green); transform:translateY(-3px);}
  .lang-head{display:flex; align-items:baseline; justify-content:space-between; gap:10px; margin-bottom:10px;}
  .lang-name{font-family:'Space Grotesk',sans-serif; font-size:17px;}
  .lang-level{
    font-family:'JetBrains Mono',monospace; font-size:11px; text-transform:uppercase;
    letter-spacing:0.04em; color:var(--green); background:var(--green-soft);
    padding:3px 8px; border-radius:5px;
  }
  .lang-dots{display:flex; gap:5px; margin-bottom:10px;}
  .lang-dots span{
    width:100%; height:5px; border-radius:3px; background:var(--grid);
  }
  .lang-dots span.on{background:var(--green);}
  .lang-note{font-size:13.5px; color:var(--ink-muted); margin:0;}

  /* interactive builder */
  .builder{
    border:1px solid var(--grid); border-radius:var(--radius); padding:22px; background:#fff;
  }
  .chip-row{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:18px;}
  .chip{
    font-family:'JetBrains Mono',monospace; font-size:12.5px; color:var(--ink);
    border:1px solid var(--grid); background:#fff; border-radius:999px;
    padding:7px 14px; cursor:pointer; line-height:1.2;
  }
  @media (prefers-reduced-motion: no-preference){
    .chip{transition:background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;}
  }
  .chip:hover{border-color:var(--green);}
  .chip:active{transform:scale(0.96);}
  .chip.on{background:var(--green); border-color:var(--green); color:#fff;}
  .builder-query{padding:16px 4px; margin-bottom:16px;}
  .builder-query .line-content{white-space:pre-wrap; word-break:break-word;}

  .verdict{
    border:1px solid var(--grid); border-radius:8px; padding:16px; background:var(--paper);
  }
  @media (prefers-reduced-motion: no-preference){
    .verdict{transition:border-color 0.3s ease, background 0.3s ease;}
  }
  .verdict.match{border-color:var(--green); background:var(--green-soft);}
  .verdict.partial{border-color:var(--amber); background:#FBF0E3;}
  .verdict-head{display:flex; align-items:center; gap:10px;}
  .verdict-icon{
    font-family:'JetBrains Mono',monospace; font-weight:600; font-size:15px;
    width:24px; height:24px; border-radius:50%; display:inline-flex;
    align-items:center; justify-content:center; flex:0 0 auto;
    background:var(--grid); color:var(--ink-muted);
  }
  .verdict.match .verdict-icon{background:var(--green); color:#fff;}
  .verdict.partial .verdict-icon{background:var(--amber); color:#fff;}
  .verdict-text{font-weight:600; font-size:15px;}
  .verdict-list{
    list-style:none; padding:0; margin:12px 0 0; font-size:14px;
  }
  .verdict-list li{
    display:flex; gap:8px; align-items:flex-start; padding:4px 0; color:var(--ink-muted);
  }
  .verdict-list li .mark{
    font-family:'JetBrains Mono',monospace; flex:0 0 auto; font-weight:600;
  }
  .verdict-list li.yes .mark{color:var(--green);}
  .verdict-list li.no .mark{color:var(--amber);}

  /* skills chart */
  .chart-wrap{margin-top:36px;}
  .chart-label{
    font-size:12.5px; color:var(--ink-muted); margin:0 0 16px; padding-left:2px;
  }
  .bar-row{
    display:grid; grid-template-columns:96px 1fr 74px; align-items:center; gap:14px;
    margin-bottom:14px;
  }
  .bar-name{font-size:13px; color:var(--ink);}
  .bar-track{
    height:8px; background:var(--grid); border-radius:4px; overflow:hidden;
  }
  .bar-fill{
    height:100%; width:0; background:var(--green); border-radius:4px;
  }
  @media (prefers-reduced-motion: no-preference){
    .bar-fill{transition:width 1s cubic-bezier(.16,1,.3,1);}
  }
  .chart-wrap.in .bar-fill{width:var(--w);}
  @media (prefers-reduced-motion: reduce){
    .bar-fill{width:var(--w) !important;}
  }
  .bar-pct{font-size:11.5px; color:var(--ink-muted); text-align:right;}
  .chart-key{
    font-size:11.5px; color:var(--ink-muted); margin:16px 0 0; line-height:1.7;
  }

  /* certificates */
  .cert-grid{
    display:grid; grid-template-columns:repeat(auto-fit, minmax(240px,1fr)); gap:16px; margin-top:8px;
  }
  .cert-card{
    border:1px solid var(--grid); border-radius:var(--radius); padding:18px;
    background:#fff; position:relative;
  }
  @media (prefers-reduced-motion: no-preference){
    .cert-card{transition:border-color 0.25s ease, transform 0.25s ease;}
  }
  .cert-card:hover{border-color:var(--green); transform:translateY(-3px);}
  .cert-head{display:flex; justify-content:space-between; align-items:flex-start; gap:10px; margin-bottom:8px;}
  .cert-title{font-family:'Space Grotesk',sans-serif; font-size:16.5px; margin:0;}
  .cert-issuer{color:var(--ink-muted); font-size:14px; margin:0 0 10px;}
  .cert-date{font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--ink-muted);}
  .cert-badge{
    font-family:'JetBrains Mono',monospace; font-size:11px; text-transform:uppercase;
    letter-spacing:0.04em; padding:3px 8px; border-radius:5px; white-space:nowrap; flex:0 0 auto;
  }
  .cert-badge.done{color:var(--green); background:var(--green-soft);}
  .cert-badge.progress{color:var(--amber); background:#FBF0E3;}
  .cert-card.placeholder{
    border-style:dashed; display:flex; align-items:center; justify-content:center;
    color:var(--ink-muted); font-size:14px; text-align:center; min-height:96px;
  }

  /* cv download */
  .cv-banner{
    border:1px solid var(--grid); border-radius:var(--radius);
    padding:36px 32px; text-align:center; background:#fff;
  }
  .cv-btn{
    display:inline-flex; align-items:center; gap:10px;
    background:var(--ink); color:#fff; text-decoration:none;
    font-family:'Space Grotesk',sans-serif; font-weight:600; font-size:15px;
    padding:13px 26px; border-radius:8px; margin-top:16px;
  }
  @media (prefers-reduced-motion: no-preference){
    .cv-btn{transition:background 0.25s ease, transform 0.25s ease;}
  }
  .cv-btn:hover{background:var(--green); transform:translateY(-2px);}
  .cv-btn svg{width:16px; height:16px; flex:0 0 auto;}
  .cv-note{font-size:13px; color:var(--ink-muted); margin-top:12px;}

  /* projects */
  .project-row{
    display:grid; grid-template-columns:44px 1fr; gap:20px;
    padding:26px 0; border-bottom:1px solid var(--grid);
    position:relative;
  }
  .project-row:first-of-type{border-top:1px solid var(--grid);}
  .project-row::before{
    content:''; position:absolute; left:-16px; top:10px; bottom:10px; width:3px;
    background:var(--green); transform:scaleY(0); transition:transform 0.25s ease;
  }
  .project-row:hover::before{transform:scaleY(1);}
  .row-idx{
    font-family:'JetBrains Mono',monospace; color:var(--ink-muted); font-size:13px; padding-top:4px;
  }
  @media (prefers-reduced-motion: no-preference){
    .row-idx{transition:color 0.25s ease;}
  }
  .project-row:hover .row-idx{color:var(--green);}
  .project-title{
    font-family:'Space Grotesk',sans-serif; font-size:20px; margin:0 0 6px;
    display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  }
  .project-desc{color:var(--ink-muted); max-width:60ch; margin:0 0 8px; font-size:15px;}
  .project-outcome{max-width:60ch; margin:0 0 12px; font-size:15px; color:var(--ink);}
  .tags{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:12px;}
  .tag{
    font-family:'JetBrains Mono',monospace; font-size:11.5px; color:var(--ink);
    border:1px solid var(--grid); border-radius:5px; padding:3px 8px; background:#fff;
  }
  @media (prefers-reduced-motion: no-preference){
    .tag{transition:transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;}
  }
  .tag:hover{transform:translateY(-2px); border-color:var(--green); background:var(--green-soft);}
  .project-link{
    position:relative; font-size:14px; font-weight:600; color:var(--green);
    text-decoration:none; padding-bottom:2px;
  }
  .project-link + .project-link{
    margin-left:16px;
  }
  .project-link::after{
    content:''; position:absolute; left:0; bottom:0; height:1px; width:100%;
    background:var(--green); transform:scaleX(0); transform-origin:left;
  }
  @media (prefers-reduced-motion: no-preference){
    .project-link::after{transition:transform 0.25s ease;}
  }
  .project-link:hover::after{transform:scaleX(1);}

  /* education */
  .edu-row{
    display:flex; justify-content:space-between; align-items:baseline; gap:16px;
    padding:18px 20px; margin:0 -20px; border-top:1px solid var(--grid); border-bottom:1px solid var(--grid);
    flex-wrap:wrap; border-radius:8px;
  }
  @media (prefers-reduced-motion: no-preference){
    .edu-row{transition:background 0.25s ease;}
    .edu-badge{transition:transform 0.25s ease;}
  }
  .edu-row:hover{background:#fff;}
  .edu-row:hover .edu-badge{transform:scale(1.06);}
  .edu-inst{font-family:'Space Grotesk',sans-serif; font-size:19px;}
  .edu-detail{color:var(--ink-muted); font-size:14.5px;}
  .edu-badge{
    font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--green);
    background:var(--green-soft); padding:4px 10px; border-radius:5px;
  }

  /* ===== CERTIFICATE VIEWER ===== */
  .viewer{position:fixed; inset:0; z-index:9998; display:flex; align-items:center; justify-content:center; padding:22px;}
  .viewer[hidden]{display:none;}
  .viewer-backdrop{position:absolute; inset:0; background:rgba(18,23,28,0.55); backdrop-filter:blur(2px);}
  .viewer-panel{
    position:relative; width:min(1000px, 100%); height:min(86vh, 820px);
    background:#fff; border-radius:12px; overflow:hidden;
    display:flex; flex-direction:column;
    box-shadow:0 30px 60px -24px rgba(18,23,28,0.55);
    opacity:0; transform:translateY(10px) scale(0.99);
  }
  .viewer.open .viewer-panel{opacity:1; transform:none;}
  @media (prefers-reduced-motion: no-preference){
    .viewer-panel{transition:opacity 0.28s ease, transform 0.28s cubic-bezier(.16,1,.3,1);}
  }
  .viewer-bar{
    display:flex; align-items:center; justify-content:space-between; gap:14px;
    padding:14px 16px; border-bottom:1px solid var(--grid); flex:0 0 auto;
  }
  .viewer-title{
    font-family:'Space Grotesk',sans-serif; font-size:15.5px; margin:0;
    overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
  }
  .viewer-actions{display:flex; align-items:center; gap:8px; flex:0 0 auto;}
  .viewer-btn{
    font-family:'JetBrains Mono',monospace; font-size:11.5px; color:var(--ink);
    text-decoration:none; border:1px solid var(--grid); border-radius:999px;
    padding:6px 12px; white-space:nowrap;
  }
  .viewer-btn:hover{border-color:var(--green); color:var(--green);}
  .viewer-close{
    background:none; border:0; font-size:26px; line-height:1; color:var(--ink-muted);
    cursor:pointer; padding:0 4px;
  }
  .viewer-close:hover{color:var(--ink);}
  .viewer-body{flex:1 1 auto; background:var(--paper); overflow:auto; display:flex; align-items:center; justify-content:center;}
  .viewer-body iframe{width:100%; height:100%; border:0; display:block;}
  .viewer-body img{max-width:100%; max-height:100%; display:block; object-fit:contain;}
  .viewer-fallback{padding:36px; text-align:center; color:var(--ink-muted); font-size:14.5px;}
  body.viewer-open{overflow:hidden;}
  @media (max-width:640px){
    .viewer{padding:10px;}
    .viewer-panel{height:92vh;}
    .viewer-btn{font-size:10.5px; padding:5px 9px;}
  }

  /* ===== PRELOADER ===== */
  #preloader{
    position:fixed; inset:0; z-index:9999;
    background:#fff;
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    gap:22px;
  }
  #preloader.done{opacity:0; transform:translateY(-10px); pointer-events:none;}
  @media (prefers-reduced-motion: no-preference){
    #preloader{transition:opacity 0.55s cubic-bezier(.16,1,.3,1), transform 0.55s cubic-bezier(.16,1,.3,1);}
  }
  .pre-word{
    font-family:'Space Grotesk','Noto Sans Myanmar','Myanmar Text','Padauk',
                'Noto Sans Thai','Leelawadee UI','Thonburi',
                'Hiragino Sans','Yu Gothic','Noto Sans JP',
                'PingFang SC','Microsoft YaHei',sans-serif;
    font-size:clamp(32px, 7vw, 56px);
    font-weight:600; color:var(--ink); line-height:1.25;
    text-align:center; margin:0; min-height:1.3em;
    display:flex; align-items:center; justify-content:center;
  }
  .pre-lang{
    font-family:'JetBrains Mono',monospace; font-size:11.5px;
    text-transform:uppercase; letter-spacing:0.14em; color:var(--ink-muted);
    margin:0; min-height:1.2em;
  }
  .pre-skip{
    font-family:'JetBrains Mono',monospace; font-size:10.5px;
    letter-spacing:0.1em; text-transform:uppercase; color:var(--grid);
    margin:0; opacity:0;
  }
  #preloader.hint .pre-skip{opacity:1;}
  @media (prefers-reduced-motion: no-preference){
    .pre-skip{transition:opacity 0.5s ease;}
  }
  .pre-bar{
    width:min(190px, 44vw); height:2px; background:var(--grid);
    border-radius:2px; overflow:hidden;
  }
  .pre-fill{
    display:block; height:100%; width:0%;
    background:var(--green); border-radius:2px;
  }
  @keyframes preWordIn{
    0%{opacity:0; transform:translateY(9px);}
    55%{opacity:1; transform:translateY(0);}
    100%{opacity:1; transform:translateY(0);}
  }
  @keyframes preLangIn{
    0%{opacity:0;} 60%{opacity:1;} 100%{opacity:1;}
  }
  body.preloading{overflow:hidden;}

  /* ===== MASCOT: Leo the lion ===== */
  .mascot-dock{
    position:fixed; right:22px; bottom:22px; z-index:30;
    display:flex; flex-direction:column; align-items:flex-end; gap:10px;
    pointer-events:none;
  }
  .mascot-dock > *{pointer-events:auto;}

  .mascot-btn{
    position:relative; width:118px; height:168px; padding:0;
    border:0; background:none; cursor:pointer; line-height:0;
    filter:drop-shadow(0 12px 18px rgba(18,23,28,0.18));
  }
  /* 3D stage — sits on top of the SVG, which stays as the fallback */
  .mascot-canvas{
    position:absolute; inset:0; display:none; line-height:0;
    cursor:grab; touch-action:pan-y;
  }
  .mascot-canvas:active{cursor:grabbing;}
  .mascot-canvas canvas{width:100%; height:100%; display:block;}
  .mascot-dock.has3d .mascot-canvas{display:block;}
  .mascot-dock.has3d .mascot-3d{display:none;}
  .mascot-dock.has3d .mascot-btn{filter:none;}
  .mascot-dock.has3d .mascot-btn:hover{transform:translateY(-3px) scale(1.02);}
  @media (prefers-reduced-motion: no-preference){
    .mascot-btn{transition:transform 0.28s cubic-bezier(.16,1,.3,1), filter 0.25s ease;}
  }
  .mascot-btn:hover{transform:translateY(-5px) scale(1.05);}
  .mascot-btn:active{transform:scale(0.95);}
  .mascot-svg{width:100%; height:100%; display:block; overflow:visible;}
  .mascot-3d{
    display:block; width:100%; height:100%;
    transform-style:preserve-3d; will-change:transform;
  }
  .mascot-btn{perspective:420px;}
  @media (prefers-reduced-motion: no-preference){
    .mascot-3d{transition:transform 0.25s cubic-bezier(.16,1,.3,1);}
    #faceLayer{transition:transform 0.25s cubic-bezier(.16,1,.3,1);}
    #maneLayer{transition:transform 0.4s cubic-bezier(.16,1,.3,1);}
    #mascotShadow{transition:transform 0.3s ease, opacity 0.3s ease;}
  }

  /* mascot parts */
  .lids{fill:none; stroke:#12171C; stroke-width:2.4; stroke-linecap:round; opacity:0;}
  .lids.shut{opacity:1;}
  #mascotEyes.hidden{opacity:0;}

  @media (prefers-reduced-motion: no-preference){
    #mane{transform-box:view-box; transform-origin:100px 88px; animation:maneIdle 6s ease-in-out infinite;}
    #maneBack{transform-box:view-box; transform-origin:100px 88px; animation:maneIdle 6s ease-in-out infinite reverse;}
    #mascotEyes, .lids{transition:opacity 0.09s linear;}
    #mascotEyes{transition:transform 0.18s ease-out, opacity 0.09s linear;}
  }
  @keyframes maneIdle{
    0%,100%{transform:rotate(0deg);}
    50%{transform:rotate(7deg);}
  }
  /* roar burst on click */
  .mascot-btn.roar #mane{transform-box:view-box; transform-origin:100px 88px; animation:roar 0.6s cubic-bezier(.16,1,.3,1);}
  @keyframes roar{
    0%{transform:scale(1) rotate(0deg);}
    40%{transform:scale(1.22) rotate(-9deg);}
    100%{transform:scale(1) rotate(0deg);}
  }
  .mascot-btn.roar{animation:nudge 0.5s ease;}
  @keyframes nudge{
    0%,100%{transform:translateY(0);}
    35%{transform:translateY(-8px) scale(1.05);}
  }

  /* unread ping */
  .mascot-ping{
    position:absolute; top:2px; right:0;
    width:11px; height:11px; border-radius:50%;
    background:var(--amber); border:2px solid #fff;
  }
  .mascot-ping.off{display:none;}
  @media (prefers-reduced-motion: no-preference){
    .mascot-ping{animation:pulse 2s ease-in-out infinite;}
  }

  /* speech bubble */
  .mascot-bubble{
    position:relative; max-width:250px;
    background:var(--ink); color:var(--code-text);
    font-size:13.5px; line-height:1.5;
    padding:12px 30px 12px 14px; border-radius:12px;
    box-shadow:0 10px 28px -14px rgba(18,23,28,0.5);
    opacity:0; transform:translateY(6px) scale(0.96); transform-origin:bottom right;
    pointer-events:none;
  }
  .mascot-bubble.show{opacity:1; transform:translateY(0) scale(1); pointer-events:auto;}
  @media (prefers-reduced-motion: no-preference){
    .mascot-bubble{transition:opacity 0.28s ease, transform 0.28s cubic-bezier(.16,1,.3,1);}
  }
  .mascot-bubble::after{
    content:''; position:absolute; right:26px; bottom:-6px;
    width:12px; height:12px; background:var(--ink); transform:rotate(45deg);
  }
  .bubble-close{
    position:absolute; top:6px; right:8px;
    background:none; border:0; color:var(--code-muted);
    font-size:16px; line-height:1; cursor:pointer; padding:2px 4px;
  }
  .bubble-close:hover{color:var(--code-text);}

  @media (max-width:640px){
    .mascot-dock{right:14px; bottom:14px;}
    .mascot-btn{width:88px; height:126px;}
    .mascot-bubble{max-width:200px; font-size:12.5px;}
  }

  /* experience */
  .exp-row{
    border-top:1px solid var(--grid); border-bottom:1px solid var(--grid);
    padding:22px 20px; margin:0 -20px 16px; border-radius:8px; position:relative;
  }
  @media (prefers-reduced-motion: no-preference){
    .exp-row{transition:background 0.25s ease;}
  }
  .exp-row:hover{background:var(--paper);}
  .exp-title{font-family:'Space Grotesk',sans-serif; font-size:19px; margin:0 0 4px;}
  .exp-meta{color:var(--ink-muted); font-size:14px; margin:0 0 12px;}
  .exp-points{margin:0; padding-left:18px;}
  .exp-points li{font-size:15px; color:var(--ink); margin-bottom:6px;}
  .exp-points li::marker{color:var(--green);}
  .exp-note{
    font-size:14.5px; color:var(--ink-muted); max-width:64ch; margin:0;
    padding-left:14px; border-left:2px solid var(--green);
  }
  .edit-me{
    font-family:'JetBrains Mono',monospace; font-size:11.5px;
    background:#FBF0E3; color:var(--amber); padding:2px 6px; border-radius:4px;
  }

  /* footer / contact */
  footer{padding:44px 0 64px;}
  .contact-results a{
    text-decoration:none; color:var(--code-green); font-weight:500;
  }
  .contact-results a:hover{text-decoration:underline;}
  .contact-results .code-line .line-content{color:var(--code-text);}
  .foot-note{
    margin-top:28px; font-size:13px; color:var(--ink-muted); text-align:center;
  }

  /* nav responsive */
  @media (max-width:880px){
    .nav-toggle{display:flex;}
    .status-pill{display:none;}
    .nav-links{
      position:absolute; top:100%; left:0; right:0;
      flex-direction:column; align-items:stretch; gap:0;
      background:#fff; border-bottom:1px solid var(--grid);
      padding:6px 24px 14px;
      box-shadow:0 14px 28px -20px rgba(18,23,28,0.4);
      max-height:0; overflow:hidden; opacity:0; pointer-events:none;
    }
    @media (prefers-reduced-motion: no-preference){
      .nav-links{transition:max-height 0.32s cubic-bezier(.16,1,.3,1), opacity 0.24s ease;}
    }
    .nav-links.open{max-height:340px; opacity:1; pointer-events:auto;}
    .nav-links a{
      padding:12px 0; font-size:15px; border-bottom:1px solid var(--grid);
    }
    .nav-links a:last-child{border-bottom:0;}
    .nav-links a::after{display:none;}
    .nav-links a.active{color:var(--green);}
    header.site{position:sticky;}
    .nav-inner{position:relative;}
  }
  /* responsive table -> cards */
  @media (max-width:640px){
    section{padding:34px 0;}
    section.lead{padding-top:40px;}
    .code-line{font-size:13px;}
    .results table, .results thead, .results tbody, .results th, .results td, .results tr{display:block;}
    .results thead{display:none;}
    .results td{border-bottom:1px solid var(--grid);}
    .results td:before{
      content:attr(data-label); display:block; font-family:'JetBrains Mono',monospace;
      font-size:11px; text-transform:uppercase; color:var(--ink-muted); margin-bottom:4px;
    }
    .schema thead, .schema colgroup{display:none;}
    .schema{table-layout:auto;}
    .schema, .schema tbody, .schema tr, .schema td{display:block; width:100%;}
    .schema tbody td:first-child, .schema tbody tr:hover td:first-child{box-shadow:none;}
    .schema tbody tr:hover td{background:transparent;}
    .schema tr{border-bottom:1px solid var(--grid); padding:14px 0;}
    .schema td{border-bottom:none; padding:4px 0;}
    .schema td:before{
      content:attr(data-label); display:block; font-family:'JetBrains Mono',monospace;
      font-size:11px; text-transform:uppercase; color:var(--ink-muted); margin-bottom:4px;
    }
    .project-row{grid-template-columns:1fr;}
    .row-idx{padding-top:0;}
    .about-grid{grid-template-columns:1fr; justify-items:center; text-align:center;}
    .about-text{text-align:left;}
    .bar-row{grid-template-columns:64px 1fr 66px; gap:8px;}
    .cv-banner{padding:28px 20px;}
    .builder{padding:16px;}
    .chip{font-size:12px; padding:6px 12px;}
    .lang-grid, .cert-grid{grid-template-columns:1fr;}
  }