:root{
    --bg:#070B14; --bg-2:#0B1220; --panel:#101a2e; --panel-2:#0d1626;
    --line:rgba(255,255,255,0.08); --line-strong:rgba(255,255,255,0.16);
    --text:#DCE5F0; --muted:#6B7A93; --muted-2:#8b98af;
    --accent:#2DE2E6; --accent-dim:rgba(45,226,230,0.14);
    --violet:#7C5CFF; --violet-dim:rgba(124,92,255,0.14);
    --maxw:1120px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  @media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} }
  body{background:var(--bg);color:var(--text);font-family:"Space Grotesk",system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  .mono{font-family:"JetBrains Mono",monospace}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
  .eyebrow{font-family:"JetBrains Mono",monospace;font-size:0.78rem;letter-spacing:0.08em;color:var(--accent);text-transform:lowercase;display:inline-flex;align-items:center;gap:10px}
  .eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);opacity:0.6}

  #pageProg{position:fixed;top:0;left:0;height:3px;width:100%;background:linear-gradient(90deg,var(--accent),var(--violet));transform:scaleX(0);transform-origin:left;z-index:60}

  nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;max-width:var(--maxw);margin:0 auto;padding:20px 28px;transition:background .3s,backdrop-filter .3s,padding .3s}
  nav.scrolled{background:rgba(7,11,20,.72);backdrop-filter:blur(12px);padding:14px 28px;border-bottom:1px solid var(--line)}
  .brand{font-family:"JetBrains Mono",monospace;font-weight:700;font-size:1rem;display:flex;align-items:center;gap:9px}
  .brand-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover;border:1px solid var(--line-strong)}
  .brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 2.4s ease-in-out infinite}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
  .nav-links{display:flex;gap:26px;align-items:center}
  .nav-links a{font-family:"JetBrains Mono",monospace;font-size:0.82rem;color:var(--muted-2);position:relative;padding:4px 0;transition:color .2s}
  .nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--accent);transition:width .25s}
  .nav-links a:hover{color:var(--text)} .nav-links a:hover::after{width:100%}
  .nav-cta{border:1px solid var(--line-strong);padding:8px 16px;border-radius:6px;color:var(--text)!important}
  .nav-cta:hover{border-color:var(--accent);background:var(--accent-dim)} .nav-links a.nav-cta::after{display:none}
  @media (max-width:860px){ .nav-links{display:none} }

  .hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
  #net{position:absolute;inset:0;width:100%;height:100%;z-index:0}
  .hero-fade{position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(1100px 620px at 72% 42%,transparent 0%,rgba(7,11,20,.55) 62%,var(--bg) 100%)}
  .hero-inner{position:relative;z-index:2;padding-top:80px;will-change:transform,opacity}
  .hero h1{font-size:clamp(2.6rem,7vw,5.2rem);font-weight:700;line-height:1.02;letter-spacing:-.02em;margin:22px 0 8px}
  .hero h1 .swap{color:var(--muted)}
  .typed-line{font-family:"JetBrains Mono",monospace;font-size:clamp(1rem,2.4vw,1.5rem);color:var(--accent);margin-bottom:22px;min-height:1.6em}
  .typed-line .prompt{color:var(--violet)}
  .caret{display:inline-block;width:9px;height:1.05em;background:var(--accent);margin-left:3px;transform:translateY(2px);animation:blink 1s step-end infinite}
  @keyframes blink{50%{opacity:0}}
  .hero p.lede{max-width:520px;color:var(--muted-2);font-size:1.05rem;margin-bottom:30px}
  .btn-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
  .btn{font-family:"JetBrains Mono",monospace;font-size:.9rem;padding:13px 22px;border-radius:8px;display:inline-flex;align-items:center;gap:9px;transition:transform .15s,background .2s,border-color .2s}
  .btn-primary{background:var(--accent);color:#04121a;font-weight:500} .btn-primary:hover{transform:translateY(-2px)}
  .btn-ghost{border:1px solid var(--line-strong);color:var(--text)} .btn-ghost:hover{border-color:var(--accent);background:var(--accent-dim)}
  .status{margin-top:34px;display:inline-flex;align-items:center;gap:10px;font-family:"JetBrains Mono",monospace;font-size:.78rem;color:var(--muted-2);border:1px solid var(--line);border-radius:999px;padding:7px 15px;background:rgba(255,255,255,.02)}
  .status .live{width:8px;height:8px;border-radius:50%;background:#39d98a;box-shadow:0 0 10px #39d98a;animation:pulse 2s ease-in-out infinite}
  .scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;font-family:"JetBrains Mono",monospace;font-size:.72rem;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:8px}
  .scroll-cue .mouse{width:22px;height:34px;border:1px solid var(--line-strong);border-radius:12px;position:relative}
  .scroll-cue .mouse::after{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);width:3px;height:6px;border-radius:2px;background:var(--accent);animation:scrolldot 1.6s ease-in-out infinite}
  @keyframes scrolldot{0%{opacity:0;top:6px}40%{opacity:1}80%{opacity:0;top:16px}100%{opacity:0}}

  section{position:relative;padding:110px 0}
  .sec-head{margin-bottom:52px;max-width:660px}
  .sec-head h2{font-size:clamp(1.8rem,4vw,2.7rem);font-weight:600;letter-spacing:-.01em;margin-top:16px;line-height:1.1}
  .reveal{opacity:0;transform:translateY(26px);transition:opacity .6s,transform .6s}
  .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion: reduce){ .reveal{opacity:1;transform:none;transition:none} .caret,.brand .dot,.status .live,.scroll-cue .mouse::after{animation:none!important} }

  .about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
  .about-grid p{color:var(--muted-2);margin-bottom:18px;font-size:1.06rem}
  .about-photo{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line-strong)}
  .about-photo img{width:100%;height:auto;display:block}
  .about-photo::after{content:"";position:absolute;inset:0;box-shadow:inset 0 -60px 80px -40px rgba(45,226,230,.12);pointer-events:none}
  .facts{border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,var(--panel),var(--panel-2));padding:8px 24px;margin-top:28px}
  .fact{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
  .fact:last-child{border-bottom:none}
  .fact .k{font-family:"JetBrains Mono",monospace;font-size:.78rem;color:var(--muted);text-transform:lowercase}
  .fact .v{text-align:right;font-size:.95rem}
  @media (max-width:800px){ .about-grid{grid-template-columns:1fr;gap:32px} .about-photo{max-width:340px} }

  .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .card{border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,var(--panel),var(--panel-2));padding:30px 26px;position:relative;overflow:hidden;transition:transform .25s,border-color .25s}
  .card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:0;transition:opacity .3s}
  .card:hover{transform:translateY(-4px);border-color:var(--line-strong)} .card:hover::before{opacity:1}
  .card .idx{font-family:"JetBrains Mono",monospace;font-size:.78rem;color:var(--accent)}
  .card h3{font-size:1.2rem;font-weight:600;margin:16px 0 10px}
  .card p{color:var(--muted-2);font-size:.96rem}
  .card .glyph{width:42px;height:42px;border-radius:10px;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;margin-bottom:4px;color:var(--accent)}
  @media (max-width:820px){ .cards{grid-template-columns:1fr} }

  .timeline{position:relative;margin-left:6px;padding-left:34px;border-left:1px solid var(--line-strong)}
  .tl-item{position:relative;padding-bottom:42px}
  .tl-item:last-child{padding-bottom:0}
  .tl-item::before{content:"";position:absolute;left:-40px;top:4px;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid var(--accent);box-shadow:0 0 0 4px rgba(45,226,230,.1)}
  .tl-item.work::before{border-color:var(--violet);box-shadow:0 0 0 4px rgba(124,92,255,.12)}
  .tl-type{font-family:"JetBrains Mono",monospace;font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);border:1px solid var(--line);border-radius:5px;padding:3px 8px}
  .tl-item.work .tl-type{color:var(--violet)}
  .tl-when{font-family:"JetBrains Mono",monospace;font-size:.8rem;color:var(--muted);margin:10px 0 6px}
  .tl-body h3{font-size:1.18rem;font-weight:600;margin-bottom:8px}
  .tl-body p{color:var(--muted-2);font-size:.98rem;max-width:640px}
  .ptags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
  .ptags span{font-family:"JetBrains Mono",monospace;font-size:.74rem;color:var(--muted);border:1px solid var(--line);padding:3px 9px;border-radius:5px}
  .certs-title{font-size:.85rem;color:var(--muted);margin:64px 0 20px;display:flex;align-items:center;gap:8px}
  .certs-title::before{content:"//";color:var(--violet)}
  .certs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
  .cert{border:1px solid var(--line);border-radius:12px;background:var(--panel-2);padding:20px;display:flex;flex-direction:column;gap:8px;transition:border-color .2s}
  .cert:hover{border-color:var(--accent)}
  .cert-name{font-weight:600}
  .cert-meta{font-size:.76rem;color:var(--muted)}
  @media (max-width:760px){ .certs{grid-template-columns:1fr} }

  .toolbox-note{color:var(--muted);font-size:.86rem;margin:-30px 0 32px}
  .tb-panel{border:1px solid var(--line);border-radius:14px;background:var(--panel-2);overflow:hidden}
  .tb-tabs{display:flex;flex-wrap:wrap;border-bottom:1px solid var(--line)}
  .tb-tab{font-family:"JetBrains Mono",monospace;font-size:.82rem;color:var(--muted-2);background:none;border:none;padding:16px 22px;cursor:pointer;position:relative;transition:color .2s}
  .tb-tab::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent);transform:scaleX(0);transition:transform .2s}
  .tb-tab:hover{color:var(--text)}
  .tb-tab.active{color:var(--accent)}
  .tb-tab.active::after{transform:scaleX(1)}
  .tb-tool{display:none;padding:26px}
  .tb-tool.active{display:block}
  .tb-row{display:flex;gap:12px}
  .tb-row-col{flex-direction:column;align-items:flex-start}
  .tb-row input,.tb-row textarea,.tb-row select{background:rgba(255,255,255,.03);border:1px solid var(--line-strong);border-radius:9px;padding:12px 14px;color:var(--text);font-size:.92rem;flex:1}
  .tb-row textarea{width:100%;resize:vertical}
  .tb-row input::placeholder,.tb-row textarea::placeholder{color:var(--muted)}
  .tb-row input:focus,.tb-row textarea:focus,.tb-row select:focus{outline:none;border-color:var(--accent)}
  .tb-row select{flex:0 0 auto;cursor:pointer}
  .tb-row .btn{border:none;cursor:pointer;flex:0 0 auto}
  .tb-out{margin-top:18px;font-size:.86rem;color:var(--muted-2);white-space:pre-wrap;word-break:break-word}
  .tb-out:empty{display:none}
  .tb-out .row{display:flex;justify-content:space-between;gap:16px;padding:8px 0;border-bottom:1px solid var(--line)}
  .tb-out .row:last-child{border-bottom:none}
  .tb-out .row span:first-child{color:var(--muted)}
  .tb-out .row span:last-child{color:var(--text);text-align:right}
  .tb-out .err{color:#ff6b6b}
  .tb-out h5{font-size:.76rem;color:var(--violet);text-transform:lowercase;margin:14px 0 6px}
  .tb-out h5:first-child{margin-top:0}
  @media (max-width:600px){ .tb-row{flex-direction:column;align-items:stretch} }

  .work-pin{position:relative;padding:0}
  .work-sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;flex-direction:column;justify-content:center}
  .work-head{max-width:var(--maxw);margin:0 auto;width:100%;padding:0 28px 26px;display:flex;align-items:baseline;gap:20px;flex-wrap:wrap}
  .work-head h2{font-size:clamp(1.8rem,4vw,2.7rem);font-weight:600;letter-spacing:-.01em}
  .work-head .scroll-hint{font-size:.78rem;color:var(--muted);margin-left:auto}
  .work-track{display:flex;gap:26px;padding:0 28px;width:100%;will-change:transform}
  .pcard{flex:0 0 min(560px,84vw);height:62vh;min-height:420px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(160deg,var(--panel),var(--panel-2));padding:32px;display:flex;flex-direction:column;position:relative;overflow:hidden;transition:border-color .25s}
  .pcard:hover{border-color:var(--line-strong)}
  .pcard::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.5}
  .pcard .ptop{display:flex;justify-content:space-between;align-items:center;font-family:"JetBrains Mono",monospace;font-size:.78rem;color:var(--muted)}
  .pcard .ptype{color:var(--accent)}
  .pcard .motif{flex:1;display:flex;align-items:center;justify-content:center;margin:14px 0;color:var(--accent);opacity:.9}
  .pcard h3{font-size:1.5rem;font-weight:600;margin-bottom:10px;line-height:1.15}
  .pcard p{color:var(--muted-2);font-size:.98rem;margin-bottom:16px}
  .pcard .go{font-family:"JetBrains Mono",monospace;font-size:.82rem;color:var(--accent);align-self:flex-start;border:1px solid var(--line);border-radius:8px;padding:9px 15px;margin-top:6px;transition:background .2s,border-color .2s}
  .pcard .go:hover{background:var(--accent-dim);border-color:var(--accent)}
  .pcard.end{align-items:flex-start;justify-content:center;background:radial-gradient(500px 300px at 80% 0%,var(--violet-dim),transparent 70%),linear-gradient(160deg,var(--panel),var(--panel-2))}
  .work-progress{max-width:var(--maxw);margin:26px auto 0;width:100%;padding:0 28px}
  .work-progress .rail{height:2px;background:var(--line);border-radius:2px;overflow:hidden}
  .work-progress #workBar{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--violet));transform:scaleX(0);transform-origin:left}
  @media (max-width:820px){
    .work-sticky{position:static;height:auto;overflow:visible;display:block;padding:0}
    .work-head{padding:0 28px 24px} .work-head .scroll-hint{display:none}
    .work-track{flex-direction:column;transform:none!important;gap:18px}
    .pcard{flex:none;width:100%;height:auto;min-height:0}
    .pcard .motif{min-height:120px}
    .work-progress{display:none}
  }

  .contact-box{border:1px solid var(--line);border-radius:20px;background:radial-gradient(600px 300px at 80% 0%,var(--violet-dim),transparent 70%),linear-gradient(180deg,var(--panel),var(--panel-2));padding:64px 48px;text-align:center;position:relative;overflow:hidden}
  .contact-box h2{font-size:clamp(2rem,5vw,3.2rem);font-weight:700;letter-spacing:-.02em;margin:18px 0 14px;line-height:1.05}
  .contact-box p{color:var(--muted-2);max-width:440px;margin:0 auto 32px}
  .socials{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:26px}
  .socials a{font-family:"JetBrains Mono",monospace;font-size:.85rem;color:var(--muted-2);display:inline-flex;align-items:center;gap:8px;padding:6px 4px;transition:color .2s}
  .socials a:hover{color:var(--accent)}
  @media (max-width:600px){ .contact-box{padding:44px 24px} }

  footer{border-top:1px solid var(--line);padding:34px 0;margin-top:40px}
  .foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-family:"JetBrains Mono",monospace;font-size:.8rem;color:var(--muted)}
  :focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

  .gh-card{display:flex;flex-direction:column;text-decoration:none}
  .gh-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
  .gh-star{font-family:"JetBrains Mono",monospace;font-size:.76rem;color:var(--muted)}
  .gh-card h3{font-size:1.1rem;margin:6px 0 8px}
  .gh-card p{color:var(--muted-2);font-size:.94rem;flex:1}
  .gh-meta{margin-top:14px;display:flex;gap:8px}
  .gh-lang{font-family:"JetBrains Mono",monospace;font-size:.72rem;color:var(--accent);border:1px solid var(--line);padding:3px 9px;border-radius:5px}

  .cform{max-width:440px;margin:0 auto;display:flex;flex-direction:column;gap:12px;text-align:left}
  .cform input,.cform textarea{width:100%;background:rgba(255,255,255,.03);border:1px solid var(--line-strong);border-radius:9px;padding:13px 15px;color:var(--text);font-family:inherit;font-size:.95rem;resize:vertical}
  .cform input::placeholder,.cform textarea::placeholder{color:var(--muted)}
  .cform input:focus,.cform textarea:focus{outline:none;border-color:var(--accent)}
  .cform .btn{justify-content:center;cursor:pointer;border:none}
  .cform button:disabled{opacity:.6;cursor:default}
  .cnote{font-family:"JetBrains Mono",monospace;font-size:.8rem;color:var(--muted-2);margin:2px 0 0;min-height:1.2em}