:root{
    --bg:#13131c;
    --bg-2:#1a1a26;
    --card:#1e1e2c;
    --border:#2a2a3a;
    --text:#f1f1f5;
    --muted:#8a8aa3;
    --neon:#6366f1;
    --neon-soft:#a5b4fc;
    --red:#ef4444;
    --green:#22c55e;
    --yellow:#eab308;
    --radius:10px;
    --shadow-card:inset 0 1px 0 rgba(255,255,255,.04), 0 20px 40px -20px rgba(0,0,0,.6);
    --shadow-glow:0 0 40px -10px rgba(99,102,241,.55);
  }
  *{box-sizing:border-box;border-color:var(--border);}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;
    background-image:
      linear-gradient(to right, rgba(99,102,241,.04) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(99,102,241,.04) 1px, transparent 1px);
    background-size:48px 48px;
    background-attachment:fixed;
    line-height:1.5;
  }
  ::selection{background:rgba(99,102,241,.45);color:#fff;}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .container{max-width:1120px;margin:0 auto;padding:0 24px;}

  /* Navbar */
  header.nav{
    position:sticky;top:0;z-index:40;
    backdrop-filter:blur(12px);
    background:rgba(19,19,28,.7);
    border-bottom:1px solid rgba(42,42,58,.6);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0;}
  .logo{font-size:14px;}
  .logo .neon{color:var(--neon);font-weight:600;}
  .logo .gray{color:var(--muted);}
  .nav-links{display:none;gap:32px;list-style:none;margin:0;padding:0;font-size:14px;}
  .nav-links a{color:var(--muted);transition:color .2s;}
  .nav-links a:hover{color:var(--text);}
  .nav-links .num{color:var(--neon);}
  .btn-outline{
    display:none;align-items:center;padding:8px 16px;font-size:12px;
    border:1px solid rgba(99,102,241,.4);border-radius:6px;color:var(--neon);
    transition:background .2s;
  }
  .btn-outline:hover{background:rgba(99,102,241,.1);}
  @media(min-width:768px){.nav-links{display:flex;}.btn-outline{display:inline-flex;}}

  /* Hero */
  .hero{position:relative;overflow:hidden;}
  .hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:
      radial-gradient(ellipse at top left, rgba(99,102,241,.25), transparent 60%),
      radial-gradient(ellipse at bottom right, rgba(239,68,68,.15), transparent 55%);
  }
  .hero-inner{position:relative;padding:96px 0 128px;}
  .hero .prompt{color:var(--neon);font-size:14px;letter-spacing:.2em;margin:0 0 24px;}
  h1.title{
    font-family:"JetBrains Mono",monospace;
    font-size:clamp(40px,8vw,96px);
    font-weight:700;line-height:.95;margin:0;letter-spacing:-.02em;
    text-shadow:0 0 30px rgba(99,102,241,.7);
  }
  h1 .gray{color:var(--muted);}
  .lead{margin-top:40px;max-width:640px;color:var(--muted);font-size:16px;line-height:1.7;}
  .lead p{margin:0 0 8px;}
  .lead .const{color:var(--green);}
  .lead .var{color:var(--neon);}
  .lead .str{color:var(--yellow);}
  .lead .key{color:var(--red);font-weight:600;}
  .lead .em{color:var(--text);position:relative;}
  .lead .em::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:30%;
    background:rgba(99,102,241,.4);z-index:-1;
  }
  .cta{margin-top:48px;display:flex;flex-wrap:wrap;gap:16px;}
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 24px;border-radius:8px;font-size:14px;
    transition:all .2s;cursor:pointer;
  }
  .btn-primary{background:rgba(99,102,241,.15);border:1px solid rgba(99,102,241,.5);color:var(--neon);box-shadow:var(--shadow-glow);}
  .btn-primary:hover{background:rgba(99,102,241,.25);}
  .btn-ghost{border:1px solid var(--border);color:var(--text);}
  .btn-ghost:hover{border-color:rgba(99,102,241,.5);color:var(--neon);}
  .stats{margin-top:64px;display:grid;grid-template-columns:repeat(3,1fr);max-width:400px;gap:24px;}
  .stat-num{font-size:24px;font-weight:700;}
  .stat-label{font-size:12px;color:var(--muted);margin-top:4px;}

  /* Section */
  section.block{padding:96px 0;}
  .section-title{display:flex;align-items:center;gap:16px;}
  .section-title .idx{color:var(--neon);}
  .section-title h2{font-size:clamp(22px,3vw,32px);margin:0;font-weight:700;}
  .section-title .line{flex:1;height:1px;background:var(--border);}

  /* About */
  .about-grid{display:grid;grid-template-columns:1fr;gap:48px;margin-top:48px;}
  @media(min-width:768px){.about-grid{grid-template-columns:3fr 2fr;}}
  .about p{color:var(--muted);margin:0 0 16px;line-height:1.7;}
  .about strong{color:var(--text);}
  .code-card{
    background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
    padding:24px;box-shadow:var(--shadow-card);font-size:12px;
  }
  .tl{display:flex;align-items:center;gap:6px;margin-bottom:16px;}
  .dot{width:12px;height:12px;border-radius:50%;}
  .dot.r{background:var(--red);}.dot.y{background:var(--yellow);}.dot.g{background:var(--green);}
  .filename{margin-left:12px;color:var(--muted);}
  pre{margin:0;font-family:inherit;font-size:13px;line-height:1.7;overflow-x:auto;color:var(--text);}

  /* Skills */
  .skills-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:48px;}
  @media(min-width:640px){.skills-grid{grid-template-columns:1fr 1fr;}}
  @media(min-width:1024px){.skills-grid{grid-template-columns:repeat(4,1fr);}}
  .skill-card{
    background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
    padding:20px;box-shadow:var(--shadow-card);transition:all .3s;
  }
  .skill-card:hover{border-color:rgba(99,102,241,.4);transform:translateY(-4px);}
  .skill-head{display:flex;gap:8px;align-items:center;margin-bottom:16px;font-size:14px;}
  .skill-head .c{color:var(--muted);}
  .skill-head .t-red{color:var(--red);}.skill-head .t-green{color:var(--green);}
  .skill-head .t-neon{color:var(--neon);}.skill-head .t-yellow{color:var(--yellow);}
  .skill-list{list-style:none;margin:0;padding:0;}
  .skill-list li{display:flex;gap:8px;font-size:14px;color:var(--muted);padding:4px 0;transition:color .2s;}
  .skill-list li::before{content:"▸";color:var(--neon);}
  .skill-card:hover .skill-list li{color:var(--text);}

  /* Projects */
  .projects-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:48px;}
  @media(min-width:768px){.projects-grid{grid-template-columns:1fr 1fr;}}
  .project{
    background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
    padding:24px;box-shadow:var(--shadow-card);transition:all .3s;
  }
  .project:hover{border-color:rgba(99,102,241,.5);transform:translateY(-4px);}
  .project:hover h3{color:var(--neon);}
  .project-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px;}
  .project-title{display:flex;align-items:center;gap:12px;}
  .project-title .icon{color:var(--neon);font-size:20px;}
  .project h3{margin:0;font-size:18px;font-weight:600;transition:color .2s;}
  .badge{
    font-size:10px;text-transform:uppercase;letter-spacing:.1em;
    border:1px solid;border-radius:4px;padding:4px 8px;
  }
  .badge.live{color:var(--green);border-color:rgba(34,197,94,.4);}
  .badge.wip{color:var(--yellow);border-color:rgba(234,179,8,.4);}
  .project p.desc{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 20px;}
  .tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px;padding:0;}
  .tags li{
    font-size:11px;color:var(--neon-soft);
    background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.2);
    padding:2px 8px;border-radius:4px;
  }
  .links{display:flex;gap:16px;font-size:14px;}
  .links a.code{color:var(--muted);}
  .links a.code:hover{color:var(--text);}
  .links a.demo{color:var(--neon);}
  .links a.demo:hover{text-decoration:underline;}

  /* Contact */
  .contact-card{
    margin-top:48px;border:1px solid var(--border);background:var(--card);
    border-radius:14px;padding:56px 24px;text-align:center;position:relative;overflow:hidden;
    box-shadow:var(--shadow-card);
  }
  .contact-card::before{
    content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
    background:
      radial-gradient(ellipse at top left, rgba(99,102,241,.25), transparent 60%),
      radial-gradient(ellipse at bottom right, rgba(239,68,68,.15), transparent 55%);
  }
  .contact-inner{position:relative;}
  .contact-inner .tag{color:var(--neon);font-size:14px;margin:0 0 16px;}
  .contact-inner h3{font-size:clamp(24px,4vw,36px);margin:0 0 16px;}
  .contact-inner h3 .neon{color:var(--neon);text-shadow:0 0 30px rgba(99,102,241,.7);}
  .contact-inner p{color:var(--muted);max-width:480px;margin:0 auto 32px;}
  .socials{margin-top:32px;display:flex;justify-content:center;gap:24px;font-size:14px;color:var(--muted);}
  .socials a:hover{color:var(--neon);}

  /* Footer */
  footer{border-top:1px solid rgba(42,42,58,.6);margin-top:48px;}
  .footer-inner{display:flex;flex-direction:column;gap:12px;align-items:center;justify-content:space-between;padding:32px 0;font-size:12px;color:var(--muted);}
  @media(min-width:768px){.footer-inner{flex-direction:row;}}
  .footer-inner .neon{color:var(--neon);}