:root{
  --bg:#05070f;
  --bg2:#0a1020;
  --ink:#e8ecff;
  --muted:#9aa3c7;
  --cyan:#00f0ff;
  --pink:#ff2e9d;
  --violet:#8b5cf6;
  --line:rgba(0,240,255,.14);
  --card:rgba(255,255,255,.03);
  --card-brd:rgba(255,255,255,.08);
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --sans:'Space Grotesk',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);color:var(--ink);font-family:var(--sans);
  line-height:1.6;overflow-x:hidden;position:relative;min-height:100vh;
}
a{color:inherit;text-decoration:none;}
::selection{background:rgba(0,240,255,.3);}

/* ===== background layers ===== */
#web{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block;}
.grid-overlay{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 75%);
          mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 75%);
}
.scanline{
  position:fixed;left:0;right:0;top:-20%;height:140px;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(0,240,255,.05),transparent);
  animation:scan 7s linear infinite;
}
@keyframes scan{0%{transform:translateY(-20vh)}100%{transform:translateY(120vh)}}
.cursor-glow{
  position:fixed;top:0;left:0;width:420px;height:420px;z-index:1;pointer-events:none;
  transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(circle,rgba(0,240,255,.10),transparent 62%);
  transition:opacity .4s;
}
main{position:relative;z-index:2;}

/* ===== nav ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:18px 4vw;transition:.3s;border-bottom:1px solid transparent;
}
.nav.scrolled{background:rgba(5,7,15,.72);backdrop-filter:blur(12px);border-bottom:1px solid var(--card-brd);}
.logo{font-family:var(--mono);font-weight:700;font-size:1.05rem;letter-spacing:.5px;display:flex;align-items:center;gap:8px;}
.logo-dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2.4s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:.6;transform:scale(.8)}50%{opacity:1;transform:scale(1.15)}}
.nav-links{display:flex;align-items:center;gap:26px;font-family:var(--mono);font-size:.9rem;}
.nav-links a{color:var(--muted);transition:.2s;position:relative;}
.nav-links a:hover{color:var(--ink);}
.nav-links a:not(.nav-cta):hover::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);}
.nav-cta{color:var(--cyan)!important;border:1px solid rgba(0,240,255,.35);padding:7px 16px;border-radius:8px;transition:.2s;}
.nav-cta:hover{background:rgba(0,240,255,.1);}

/* ===== hero ===== */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:0 4vw;position:relative;}
.hero-tag{font-family:var(--mono);color:var(--cyan);letter-spacing:.5px;margin-bottom:22px;font-size:.9rem;}
.hero-title{
  font-size:clamp(3.4rem,16vw,11rem);line-height:.86;font-weight:700;letter-spacing:-2px;
  color:#fff;text-shadow:0 0 30px rgba(0,240,255,.35),0 0 60px rgba(139,92,246,.25);
  position:relative;
}
.hero-title::before,.hero-title::after{
  content:attr(data-text);position:absolute;top:0;left:0;width:100%;overflow:hidden;pointer-events:none;
}
.hero-title::before{color:var(--pink);z-index:-1;transform:translate(-2px,-1px);clip-path:inset(0 0 55% 0);opacity:.7;animation:glitchA 4s infinite steps(1);}
.hero-title::after{color:var(--cyan);z-index:-1;transform:translate(2px,1px);clip-path:inset(45% 0 0 0);opacity:.7;animation:glitchB 4s infinite steps(1);}
@keyframes glitchA{0%,92%{transform:translate(-2px,-1px)}93%{transform:translate(-8px,2px) skewX(6deg)}95%{transform:translate(6px,-2px)}97%{transform:translate(-4px,1px) skewX(-4deg)}98%,100%{transform:translate(-2px,-1px)}}
@keyframes glitchB{0%,90%{transform:translate(2px,1px)}91%{transform:translate(7px,-3px) skewX(-6deg)}94%{transform:translate(-5px,2px)}96%{transform:translate(3px,1px) skewX(4deg)}98%,100%{transform:translate(2px,1px)}}
.hero-sub{font-family:var(--mono);color:var(--cyan);font-size:clamp(1rem,2.4vw,1.5rem);margin-top:26px;min-height:1.7em;}
.caret{display:inline-block;width:9px;height:1.05em;vertical-align:-2px;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:blink 1s steps(1) infinite;margin-left:2px;}
@keyframes blink{50%{opacity:0}}
.hero-desc{max-width:640px;color:var(--muted);font-size:clamp(1rem,1.6vw,1.2rem);margin-top:22px;}
.hero-actions{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:40px;margin-top:52px;flex-wrap:wrap;font-family:var(--mono);}
.hero-stats>div{display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--card-brd);padding-left:18px;}
.stat-num{font-size:1.6rem;color:#fff;text-shadow:0 0 18px rgba(0,240,255,.4);}
.stat-label{color:var(--muted);font-size:.78rem;letter-spacing:.5px;text-transform:uppercase;}

/* ===== buttons ===== */
.btn{font-family:var(--mono);font-size:.95rem;padding:13px 26px;border-radius:10px;display:inline-block;transition:.2s;cursor:pointer;}
.btn-primary{background:linear-gradient(120deg,rgba(0,240,255,.18),rgba(139,92,246,.18));border:1px solid rgba(0,240,255,.5);color:#fff;box-shadow:0 0 24px rgba(0,240,255,.18);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(0,240,255,.35);}
.btn-ghost{border:1px solid var(--card-brd);color:var(--muted);background:transparent;}
.btn-ghost:hover{color:#fff;border-color:rgba(255,255,255,.25);}

/* ===== sections ===== */
.section{padding:120px 4vw;max-width:1200px;margin:0 auto;position:relative;}
.section-head{display:flex;align-items:baseline;gap:18px;margin-bottom:46px;border-bottom:1px solid var(--card-brd);padding-bottom:20px;}
.section-index{font-family:var(--mono);color:var(--cyan);font-size:.9rem;}
.section-title{font-size:clamp(1.8rem,4vw,3rem);letter-spacing:-1px;font-weight:600;}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.code-window{background:#070b16;border:1px solid var(--card-brd);border-radius:14px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.5);}
.code-bar{display:flex;gap:8px;padding:12px 14px;background:rgba(255,255,255,.03);border-bottom:1px solid var(--card-brd);}
.code-bar span{width:11px;height:11px;border-radius:50%;background:#ff5f56;}
.code-bar span:nth-child(2){background:#ffbd2e;}
.code-bar span:nth-child(3){background:#27c93f;}
.code{font-family:var(--mono);padding:24px;font-size:.9rem;line-height:1.8;overflow:auto;color:#cdd3ff;}
.tok-kw{color:var(--pink);}
.tok-str{color:var(--cyan);}
.about-text p{color:var(--muted);font-size:1.05rem;margin-bottom:20px;}
.hl{color:#fff;text-shadow:0 0 14px rgba(0,240,255,.35);}

/* stack */
.stack-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;}
.skill-card{background:var(--card);border:1px solid var(--card-brd);border-radius:16px;padding:28px;transition:.25s;position:relative;overflow:hidden;}
.skill-card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 0%,rgba(0,240,255,.12),transparent 60%);opacity:0;transition:.3s;}
.skill-card:hover{transform:translateY(-5px);border-color:rgba(0,240,255,.4);}
.skill-card:hover::before{opacity:1;}
.skill-ico{font-size:1.8rem;margin-bottom:16px;}
.skill-card h3{font-size:1.15rem;margin-bottom:8px;color:#fff;}
.skill-card p{color:var(--muted);font-size:.92rem;font-family:var(--mono);}

/* works */
.works-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;}
.work-card{background:var(--card);border:1px solid var(--card-brd);border-radius:18px;overflow:hidden;transition:.3s;}
.work-card:hover{transform:translateY(-6px);border-color:rgba(0,240,255,.4);box-shadow:0 24px 50px rgba(0,0,0,.5);}
.work-visual{height:180px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.work-visual::before{content:"";position:absolute;inset:0;background-size:26px 26px;opacity:.4;}
.v1{background:linear-gradient(135deg,#0a1a3a,#00f0ff22);}
.v1::before{background-image:radial-gradient(circle,#00f0ff 1.4px,transparent 1.6px);}
.v2{background:linear-gradient(135deg,#2a0a2e,#ff2e9d22);}
.v2::before{background-image:repeating-linear-gradient(45deg,#ff2e9d33 0 8px,transparent 8px 26px);}
.v3{background:linear-gradient(135deg,#1a0a3a,#8b5cf622);}
.v3::before{background-image:conic-gradient(from 0deg,#8b5cf644,transparent 25%,#8b5cf644 50%,transparent 75%);}
.v4{background:linear-gradient(135deg,#0a2a2e,#00f0ff18);}
.v4::before{background-image:linear-gradient(#00f0ff1c 1px,transparent 1px),linear-gradient(90deg,#00f0ff1c 1px,transparent 1px);}
.work-num{font-family:var(--mono);font-size:3rem;font-weight:700;color:#fff;text-shadow:0 0 24px rgba(0,240,255,.6);z-index:1;}
.work-body{padding:22px;}
.work-body h3{color:#fff;font-size:1.2rem;margin-bottom:8px;}
.work-body p{color:var(--muted);font-size:.95rem;margin-bottom:14px;}
.tags{display:flex;gap:8px;flex-wrap:wrap;}
.tags span{font-family:var(--mono);font-size:.74rem;color:var(--cyan);border:1px solid rgba(0,240,255,.3);padding:3px 9px;border-radius:20px;}

/* contact */
.contact{max-width:100%;}
.contact-box{max-width:1200px;margin:0 auto;text-align:center;padding:70px 4vw;background:radial-gradient(circle at 50% 0%,rgba(0,240,255,.08),transparent 60%);border:1px solid var(--card-brd);border-radius:24px;}
.contact-title{font-size:clamp(2rem,5vw,3.4rem);letter-spacing:-1px;margin-bottom:18px;text-shadow:0 0 30px rgba(0,240,255,.3);}
.contact-box p{color:var(--muted);max-width:520px;margin:0 auto 30px;}
.contact-links{display:flex;gap:26px;justify-content:center;margin-top:34px;font-family:var(--mono);flex-wrap:wrap;}
.contact-links a{color:var(--muted);transition:.2s;}
.contact-links a:hover{color:var(--cyan);}

/* footer */
footer{position:relative;z-index:2;padding:34px 4vw;display:flex;align-items:center;justify-content:space-between;font-family:var(--mono);font-size:.85rem;color:var(--muted);border-top:1px solid var(--card-brd);}
.foot-line{position:absolute;top:-1px;left:0;height:1px;width:30%;background:linear-gradient(90deg,transparent,var(--cyan),transparent);}
.top-link{color:var(--muted);transition:.2s;}
.top-link:hover{color:var(--cyan);}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}

/* responsive */
@media (max-width:760px){
  .nav-links{gap:14px;font-size:.8rem;}
  .nav-cta,.nav-links a:not(.nav-cta):not([href^="#contact"]){}
  .about-grid{grid-template-columns:1fr;gap:26px;}
  .hero-stats{gap:22px;}
  .section{padding:90px 5vw;}
  footer{flex-direction:column;gap:14px;text-align:center;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}