:root{
    --bg-0:#05060a;
    --bg-1:#080b14;
    --bg-2:#0d1220;
    --line:rgba(255,255,255,0.08);
    --line-soft:rgba(255,255,255,0.05);
    --text-0:#eef0f8;
    --text-1:#aab0c6;
    --text-2:#6b7288;
    --violet:#7c6cff;
    --violet-soft:rgba(124,108,255,0.14);
    --cyan:#31e0d8;
    --cyan-soft:rgba(49,224,216,0.12);
    --amber:#ffb454;
    --card:rgba(255,255,255,0.025);
    --radius:14px;
    --maxw:1120px;
  }

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

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
  }

  body{
    background:
      radial-gradient(1100px 620px at 82% -8%, rgba(124,108,255,0.14), transparent 60%),
      radial-gradient(900px 560px at -10% 15%, rgba(49,224,216,0.08), transparent 55%),
      linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 45%, var(--bg-2) 100%);
    background-attachment:fixed;
    color:var(--text-0);
    font-family:'Inter', -apple-system, sans-serif;
    line-height:1.55;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }

  .wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px;}

  h1,h2,h3,h4{font-family:'Space Grotesk', sans-serif; letter-spacing:-0.01em; font-weight:600; color:var(--text-0);}
  a{color:inherit; text-decoration:none;}
  .mono{font-family:'JetBrains Mono', monospace;}

  ::selection{background:var(--violet); color:#fff;}

  a:focus-visible, button:focus-visible{
    outline:2px solid var(--cyan);
    outline-offset:3px;
    border-radius:4px;
  }

  /* ---------- NAV ---------- */
  header{
    position:fixed; top:0; left:0; right:0; z-index:100;
    backdrop-filter:blur(14px) saturate(140%);
    background:rgba(6,8,14,0.55);
    border-bottom:1px solid var(--line-soft);
  }
  nav{
    display:flex; align-items:center; justify-content:space-between;
    max-width:var(--maxw); margin:0 auto; padding:16px 28px;
  }
  .logo{font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:16px; letter-spacing:0.02em; display:flex; align-items:center; gap:8px;}
  .logo .dot{width:8px; height:8px; border-radius:50%; background:var(--cyan); box-shadow:0 0 12px var(--cyan); animation:pulse-dot 2.4s ease-in-out infinite;}
  @keyframes pulse-dot{0%,100%{opacity:1; transform:scale(1);} 50%{opacity:0.5; transform:scale(0.8);}}

  .nav-links{display:flex; gap:32px; font-size:13.5px; color:var(--text-1);}
  .nav-links a{position:relative; transition:color .2s;}
  .nav-links a:hover{color:var(--text-0);}
  .nav-links a::after{
    content:''; position:absolute; left:0; bottom:-6px; width:0; height:1px; background:var(--cyan);
    transition:width .25s;
  }
  .nav-links a:hover::after{width:100%;}

  .nav-cta{
    font-family:'JetBrains Mono',monospace; font-size:12px; padding:9px 16px;
    border:1px solid var(--line); border-radius:999px; color:var(--text-0);
    transition:all .25s;
  }
  .nav-cta:hover{border-color:var(--cyan); background:var(--cyan-soft); box-shadow:0 0 24px rgba(49,224,216,0.15);}

  .nav-toggle{display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none;}
  .nav-toggle span{width:22px; height:2px; background:var(--text-0); border-radius:2px;}

  /* ---------- HERO ---------- */
  .hero{
    position:relative; min-height:100vh; display:flex; align-items:center;
    padding-top:80px; overflow:hidden;
  }
  #nodeCanvas{
    position:absolute; inset:0; width:100%; height:100%; z-index:0;
    opacity:0.55; mask-image:linear-gradient(180deg, black 0%, black 70%, transparent 100%);
  }
  .hero-inner{position:relative; z-index:2; width:100%;}
  .eyebrow{
    display:inline-flex; align-items:center; gap:10px;
    font-family:'JetBrains Mono',monospace; font-size:12.5px; letter-spacing:0.06em;
    color:var(--cyan); text-transform:uppercase;
    padding:6px 14px; border:1px solid rgba(49,224,216,0.25); border-radius:999px;
    background:var(--cyan-soft); margin-bottom:28px;
    opacity:0; animation:rise .7s ease forwards; animation-delay:.1s;
  }
  .hero h1{
    font-size:clamp(38px, 6.2vw, 76px); line-height:1.04; max-width:920px;
    font-weight:500; font-family:'Space Grotesk', sans-serif;
    opacity:0; animation:rise .8s ease forwards; animation-delay:.22s;
  }
  .hero h1 .grad{
    font-weight:500;
    background:linear-gradient(100deg, var(--violet) 10%, var(--cyan) 90%);
    -webkit-background-clip:text; background-clip:text; color:transparent;
  }
  .hero p.lead{
    margin-top:26px; font-size:18px; color:var(--text-1); max-width:560px;
    opacity:0; animation:rise .8s ease forwards; animation-delay:.34s;
  }
  .hero-actions{
    margin-top:38px; display:flex; gap:16px; flex-wrap:wrap;
    opacity:0; animation:rise .8s ease forwards; animation-delay:.46s;
  }
  .btn{
    font-family:'JetBrains Mono',monospace; font-size:13px; padding:14px 26px;
    border-radius:10px; display:inline-flex; align-items:center; gap:8px;
    transition:all .25s cubic-bezier(.2,.8,.2,1);
  }
  .btn-primary{
    background:linear-gradient(100deg, var(--violet), #5b4de0);
    color:#fff; box-shadow:0 8px 24px rgba(124,108,255,0.28);
  }
  .btn-primary:hover{transform:translateY(-2px); box-shadow:0 12px 32px rgba(124,108,255,0.4);}
  .btn-ghost{border:1px solid var(--line); color:var(--text-0);}
  .btn-ghost:hover{border-color:var(--text-1); background:rgba(255,255,255,0.03); transform:translateY(-2px);}

  .hero-stats{
    margin-top:72px; display:grid; grid-template-columns:repeat(4,1fr); gap:0;
    border-top:1px solid var(--line-soft); padding-top:26px;
    opacity:0; animation:rise .8s ease forwards; animation-delay:.58s;
  }
  .hero-stats div{border-left:1px solid var(--line-soft); padding-left:18px;}
  .hero-stats div:first-child{border-left:none; padding-left:0;}
  .hero-stats .num{font-family:'Space Grotesk',sans-serif; font-size:26px; font-weight:600; color:var(--text-0);}
  .hero-stats .lbl{font-size:12px; color:var(--text-2); margin-top:4px; font-family:'JetBrains Mono',monospace;}

  @keyframes rise{from{opacity:0; transform:translateY(18px);} to{opacity:1; transform:translateY(0);}}

  .scroll-cue{
    position:absolute; bottom:34px; left:28px; display:flex; align-items:center; gap:10px;
    font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--text-2); z-index:2;
  }
  .scroll-cue .line{width:1px; height:34px; background:linear-gradient(180deg, var(--text-2), transparent); animation:scrollcue 1.8s ease-in-out infinite;}
  @keyframes scrollcue{0%{transform:scaleY(0); transform-origin:top;} 50%{transform:scaleY(1); transform-origin:top;} 51%{transform-origin:bottom;} 100%{transform:scaleY(0); transform-origin:bottom;}}

  /* ---------- SECTION SHARED ---------- */
  section{padding:120px 0; position:relative;}
  .section-head{margin-bottom:56px; max-width:640px;}
  .section-head .eyebrow-sm{
    font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:0.08em; text-transform:uppercase;
    color:var(--violet); margin-bottom:14px; display:block;
  }
  .section-head h2{font-size:clamp(28px,3.6vw,42px); line-height:1.15;}
  .section-head p{color:var(--text-1); margin-top:14px; font-size:15.5px;}

  .reveal{opacity:0; transform:translateY(28px); transition:opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1);}
  .reveal.in{opacity:1; transform:translateY(0);}

  /* ---------- ABOUT ---------- */
  .about-grid{display:grid; grid-template-columns:1.1fr 1fr; gap:64px; align-items:start;}
  .about-grid p{color:var(--text-1); font-size:15.5px; margin-bottom:16px;}
  .about-list{list-style:none; margin-top:8px;}
  .about-list li{
    display:flex; gap:12px; padding:14px 0; border-top:1px solid var(--line-soft); font-size:14.5px; color:var(--text-1);
  }
  .about-list li:last-child{border-bottom:1px solid var(--line-soft);}
  .about-list li b{color:var(--text-0); font-weight:500; min-width:110px; font-family:'JetBrains Mono',monospace; font-size:12px; text-transform:uppercase; letter-spacing:0.04em; padding-top:1px;}

  /* ---------- SERVICES ---------- */
  .services-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
  .svc-card{
    background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
    padding:30px 26px; transition:all .3s ease; position:relative; overflow:hidden;
  }
  .svc-card::before{
    content:''; position:absolute; inset:0; opacity:0; transition:opacity .3s;
    background:radial-gradient(240px 140px at 20% 0%, var(--violet-soft), transparent 70%);
  }
  .svc-card:hover{border-color:rgba(124,108,255,0.35); transform:translateY(-4px);}
  .svc-card:hover::before{opacity:1;}
  .svc-num{font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--cyan); margin-bottom:18px; display:block;}
  .svc-card h3{font-size:19px; margin-bottom:12px; position:relative;}
  .svc-card ul{list-style:none; position:relative;}
  .svc-card ul li{
    font-size:13.5px; color:var(--text-1); padding-left:16px; position:relative; margin-bottom:8px;
  }
  .svc-card ul li::before{content:'—'; position:absolute; left:0; color:var(--text-2);}

  /* ---------- EXPERIENCE ---------- */
  .timeline{position:relative;}
  .timeline::before{
    content:''; position:absolute; left:9px; top:8px; bottom:8px; width:1px;
    background:linear-gradient(180deg, var(--violet), var(--cyan), transparent);
  }
  .tl-item{position:relative; padding-left:46px; padding-bottom:48px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-dot{
    position:absolute; left:0; top:4px; width:20px; height:20px; border-radius:50%;
    background:var(--bg-1); border:1px solid var(--violet); display:flex; align-items:center; justify-content:center;
  }
  .tl-dot::after{content:''; width:7px; height:7px; border-radius:50%; background:var(--violet); box-shadow:0 0 10px var(--violet);}
  .tl-item.active .tl-dot{border-color:var(--cyan);}
  .tl-item.active .tl-dot::after{background:var(--cyan); box-shadow:0 0 12px var(--cyan);}
  .tl-top{display:flex; flex-wrap:wrap; align-items:baseline; gap:10px; justify-content:space-between;}
  .tl-top h3{font-size:19px;}
  .tl-date{font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--text-2); white-space:nowrap;}
  .tl-org{font-size:13.5px; color:var(--cyan); margin-top:4px; font-family:'JetBrains Mono',monospace;}
  .tl-item ul{list-style:none; margin-top:16px;}
  .tl-item ul li{
    font-size:14.5px; color:var(--text-1); padding-left:18px; position:relative; margin-bottom:9px;
  }
  .tl-item ul li::before{content:'▸'; position:absolute; left:0; color:var(--violet); font-size:12px; top:2px;}

  .badge-live{
    font-family:'JetBrains Mono',monospace; font-size:10.5px; color:var(--cyan);
    border:1px solid rgba(49,224,216,0.3); background:var(--cyan-soft);
    padding:3px 9px; border-radius:999px; margin-left:8px; vertical-align:middle;
  }

  /* ---------- PROJECTS ---------- */
  .project-card{
    border:1px solid var(--line); border-radius:var(--radius); padding:36px;
    background:linear-gradient(135deg, rgba(124,108,255,0.05), rgba(49,224,216,0.03));
    display:grid; grid-template-columns:1fr auto; gap:32px; align-items:center;
  }
  .project-card h3{font-size:22px; margin-bottom:14px;}
  .project-tags{display:flex; gap:8px; flex-wrap:wrap; margin-top:18px;}
  .tag{
    font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--text-1);
    border:1px solid var(--line); padding:5px 11px; border-radius:999px;
  }
  .project-list{list-style:none;}
  .project-list li{font-size:14.5px; color:var(--text-1); padding-left:18px; position:relative; margin-bottom:9px;}
  .project-list li::before{content:'▸'; position:absolute; left:0; color:var(--cyan); font-size:12px; top:2px;}
  .project-role{
    font-family:'JetBrains Mono',monospace; font-size:44px; color:var(--text-2); opacity:0.3; text-align:right; line-height:1;
  }

  /* ---------- SKILLS ---------- */
  .skills-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:24px;}
  .skill-group{border-top:1px solid var(--line-soft); padding-top:20px;}
  .skill-group h4{font-family:'JetBrains Mono',monospace; font-size:12px; text-transform:uppercase; letter-spacing:0.06em; color:var(--text-2); font-weight:500; margin-bottom:16px;}
  .chip-row{display:flex; flex-wrap:wrap; gap:9px;}
  .chip{
    font-size:13px; padding:8px 14px; border-radius:8px; border:1px solid var(--line);
    color:var(--text-1); transition:all .2s; cursor:default;
  }
  .chip:hover{border-color:var(--violet); color:var(--text-0); background:var(--violet-soft); transform:translateY(-2px);}

  /* ---------- EDUCATION ---------- */
  .edu-row{
    display:flex; justify-content:space-between; align-items:baseline; flex-wrap:wrap; gap:8px;
    padding:22px 0; border-top:1px solid var(--line-soft);
  }
  .edu-row:last-child{border-bottom:1px solid var(--line-soft);}
  .edu-row h3{font-size:16.5px;}
  .edu-sub{font-size:13px; color:var(--text-2); margin-top:3px;}
  .edu-date{font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--text-2);}

  /* ---------- CONTACT ---------- */
  .contact-box{
    border:1px solid var(--line); border-radius:20px; padding:64px 48px; text-align:center;
    background:radial-gradient(600px 300px at 50% 0%, var(--violet-soft), transparent 70%);
    position:relative; overflow:hidden;
  }
  .contact-box h2{font-size:clamp(28px,4vw,44px); max-width:640px; margin:0 auto 18px;}
  .contact-box p{color:var(--text-1); max-width:480px; margin:0 auto 34px; font-size:15.5px;}
  .contact-actions{display:flex; gap:16px; justify-content:center; flex-wrap:wrap;}
  .contact-links{
    display:flex; gap:28px; justify-content:center; flex-wrap:wrap; margin-top:44px;
    font-family:'JetBrains Mono',monospace; font-size:13px; color:var(--text-1);
  }
  .contact-links a:hover{color:var(--cyan);}

  footer{
    padding:36px 0; border-top:1px solid var(--line-soft); text-align:center;
    font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--text-2);
  }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width:900px){
    .about-grid, .services-grid{grid-template-columns:1fr;}
    .skills-grid{grid-template-columns:1fr;}
    .project-card{grid-template-columns:1fr;}
    .project-role{text-align:left;}
    .hero-stats{grid-template-columns:repeat(2,1fr); row-gap:24px;}
  }
  @media (max-width:720px){
    .nav-links{
      position:fixed; top:64px; right:0; left:0; background:rgba(6,8,14,0.98);
      flex-direction:column; padding:24px 28px; gap:20px; border-bottom:1px solid var(--line);
      transform:translateY(-120%); transition:transform .3s ease; z-index:99;
    }
    .nav-links.open{transform:translateY(0);}
    .nav-toggle{display:flex;}
    .nav-cta{display:none;}
    section{padding:80px 0;}
    .hero{min-height:auto; padding-bottom:60px;}
  }