*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0a0c0f;--bg2:#0f1117;--bg3:#141820;--bg4:#1a1f2e;
  --green:#00ff88;--green2:#00cc6a;--green3:#004422;
  --blue:#4fc3f7;--blue2:#0288d1;--purple:#bb86fc;
  --red:#ff5555;--amber:#ffb347;
  --text:#e2e8f0;--muted:#64748b;--border:#1e2a3a;
  --font-mono:'JetBrains Mono',monospace;
  --font-sans:'Space Grotesk',sans-serif;
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-sans);min-height:100vh;overflow-x:hidden}

/* scanline */
body::before{
  content:'';position:fixed;inset:0;
  background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.03) 2px,rgba(0,0,0,.03) 4px);
  pointer-events:none;z-index:9999
}

/* nav */
nav{
  position:fixed;top:0;width:100%;z-index:100;
  background:rgba(10,12,15,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 2rem;height:52px;
}
.nav-brand{font-family:var(--font-mono);font-size:14px;color:var(--green);letter-spacing:.05em}
.nav-brand span{color:var(--muted)}
.nav-links{display:flex;gap:1.5rem}
.nav-links a{
  font-family:var(--font-mono);font-size:12px;color:var(--muted);
  text-decoration:none;letter-spacing:.08em;
  transition:color .2s;
}
.nav-links a:hover{color:var(--green)}

/* sections */
section{padding:6rem 2rem;max-width:860px;margin:0 auto}

/* hero */
#hero{
  min-height:100vh;display:flex;flex-direction:column;
  justify-content:center;padding-top:52px;
}
.hero-eyebrow{
  font-family:var(--font-mono);font-size:12px;
  color:var(--green);letter-spacing:.2em;margin-bottom:1.5rem;
  display:flex;align-items:center;gap:.5rem;
}
.hero-eyebrow::before{content:'';display:inline-block;width:24px;height:1px;background:var(--green)}
.hero-name{
  font-family:var(--font-mono);font-size:clamp(2.2rem,6vw,4rem);
  font-weight:700;line-height:1;margin-bottom:.5rem;
  color:#fff;letter-spacing:-.02em;
}
.hero-name .at{color:var(--green)}
.hero-title{
  font-family:var(--font-mono);font-size:clamp(1rem,2.5vw,1.4rem);
  color:var(--muted);margin-bottom:2rem;
  font-weight:300;
}
.hero-title .cursor{
  display:inline-block;width:10px;height:1.2em;
  background:var(--green);vertical-align:text-bottom;
  animation:blink 1s step-end infinite;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.hero-desc{
  font-size:16px;line-height:1.8;color:#94a3b8;
  max-width:520px;margin-bottom:2.5rem;
}
.hero-desc strong{color:var(--green);font-weight:500}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}
.btn{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  padding:.65rem 1.4rem;border-radius:4px;cursor:pointer;
  text-decoration:none;transition:all .2s;display:inline-block;
}
.btn-primary{
  background:var(--green);color:#000;border:1px solid var(--green);font-weight:700;
}
.btn-primary:hover{background:transparent;color:var(--green)}
.btn-ghost{
  background:transparent;color:var(--muted);border:1px solid var(--border);
}
.btn-ghost:hover{border-color:var(--green);color:var(--green)}
.hero-stats{
  display:flex;gap:3rem;margin-top:4rem;
  padding-top:2rem;border-top:1px solid var(--border);
}
.stat-num{
  font-family:var(--font-mono);font-size:2rem;
  font-weight:700;color:var(--green);
}
.stat-label{font-size:12px;color:var(--muted);margin-top:.25rem}

/* section header */
.section-header{display:flex;align-items:center;gap:1rem;margin-bottom:3rem}
.section-num{font-family:var(--font-mono);font-size:12px;color:var(--green)}
.section-title{font-size:1.6rem;font-weight:600;color:#fff}
.section-line{flex:1;height:1px;background:var(--border)}

/* terminal */
.terminal{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:8px;overflow:hidden;
}
.term-header{
  background:var(--bg3);padding:.6rem 1rem;
  display:flex;align-items:center;gap:.5rem;
  border-bottom:1px solid var(--border);
}
.dot{width:10px;height:10px;border-radius:50%}
.dot-r{background:#ff5f57}.dot-y{background:#febc2e}.dot-g{background:#28c840}
.term-title{
  flex:1;text-align:center;font-family:var(--font-mono);
  font-size:11px;color:var(--muted);
}
.term-body{padding:1.5rem;font-family:var(--font-mono);font-size:13px;line-height:2}
.term-prompt{color:var(--green)}.term-cmd{color:var(--text)}
.term-out{color:#94a3b8;padding-left:1.2rem}
.term-key{color:var(--blue)}.term-val{color:var(--purple)}
.term-comment{color:var(--muted)}

/* skills */
.skills-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.skill-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:8px;padding:1.5rem;
  transition:border-color .2s;
}
.skill-card:hover{border-color:var(--green3)}
.skill-category{
  font-family:var(--font-mono);font-size:11px;
  color:var(--green);letter-spacing:.15em;margin-bottom:1rem;
}
.skill-tags{display:flex;flex-wrap:wrap;gap:.5rem}
.tag{
  font-family:var(--font-mono);font-size:11px;
  background:var(--bg3);border:1px solid var(--border);
  color:#94a3b8;padding:.3rem .65rem;border-radius:3px;
}
.tag.hot{border-color:var(--green3);color:var(--green2)}

/* projects */
.projects-list{display:flex;flex-direction:column;gap:1.2rem}
.project-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:8px;padding:1.5rem;
  display:grid;grid-template-columns:1fr auto;gap:1rem;
  align-items:start;transition:all .2s;cursor:pointer;
}
.project-card:hover{border-color:rgba(0,255,136,.3);background:var(--bg3)}
.proj-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}
.proj-icon{
  width:32px;height:32px;background:var(--green3);
  border-radius:4px;display:flex;align-items:center;
  justify-content:center;flex-shrink:0;
}
.proj-icon svg{width:16px;height:16px;stroke:var(--green);fill:none;stroke-width:2;stroke-linecap:round}
.proj-name{font-size:15px;font-weight:600;color:#fff}
.proj-desc{font-size:13px;color:#64748b;line-height:1.6;margin-bottom:1rem}
.proj-tags{display:flex;gap:.5rem;flex-wrap:wrap}
.proj-tag{
  font-family:var(--font-mono);font-size:10px;
  background:var(--bg4);color:var(--muted);
  padding:.2rem .5rem;border-radius:3px;
}
.proj-status{
  font-family:var(--font-mono);font-size:10px;
  padding:.25rem .6rem;border-radius:3px;white-space:nowrap;
}
.status-active{background:rgba(0,255,136,.1);color:var(--green);border:1px solid var(--green3)}
.status-wip{background:rgba(255,179,71,.1);color:var(--amber);border:1px solid rgba(255,179,71,.2)}
.status-done{background:rgba(100,116,139,.1);color:var(--muted);border:1px solid var(--border)}

/* certs */
.certs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
.cert-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:8px;padding:1.25rem;
  display:flex;gap:1rem;align-items:center;
  transition:border-color .2s;
}
.cert-card:hover{border-color:rgba(0,255,136,.3)}
.cert-badge{
  width:44px;height:44px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:10px;font-weight:700;
  letter-spacing:.05em;flex-shrink:0;
}
.badge-htb{background:rgba(159,239,0,.12);color:#9fef00;border:1px solid rgba(159,239,0,.2)}
.badge-comp{background:rgba(79,195,247,.12);color:var(--blue);border:1px solid rgba(79,195,247,.2)}
.badge-ms{background:rgba(0,120,212,.15);color:#52b8ff;border:1px solid rgba(0,120,212,.3)}
.cert-name{font-size:13px;font-weight:500;color:#fff;margin-bottom:.3rem}
.cert-org{font-family:var(--font-mono);font-size:11px;color:var(--muted)}
.cert-year{font-family:var(--font-mono);font-size:10px;color:var(--green)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.contact-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:8px;padding:1.25rem;
  display:flex;align-items:center;gap:1rem;
  text-decoration:none;color:inherit;transition:all .2s;
}
.contact-card:hover{border-color:rgba(0,255,136,.4);background:var(--bg3)}
.contact-icon{
  width:40px;height:40px;background:var(--bg3);border-radius:6px;
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.contact-icon svg{width:18px;height:18px;stroke:var(--green);fill:none;stroke-width:1.8;stroke-linecap:round}
.contact-label{font-size:11px;color:var(--muted);font-family:var(--font-mono);margin-bottom:.25rem}
.contact-val{font-size:14px;color:#fff;font-weight:500}

/* footer */
footer{
  border-top:1px solid var(--border);
  padding:2rem;text-align:center;
  font-family:var(--font-mono);font-size:11px;color:var(--muted);
}
footer span{color:var(--green)}

/* bg */
.grid-bg{
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(0,255,136,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,255,136,.03) 1px,transparent 1px);
  background-size:48px 48px;
}
.glow{
  position:fixed;top:-200px;right:-200px;
  width:600px;height:600px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,255,136,.04) 0%,transparent 70%);
  pointer-events:none;z-index:0;
}
main{position:relative;z-index:1}

@media(max-width:600px){
  .skills-grid,.contact-grid{grid-template-columns:1fr}
  .hero-stats{gap:1.5rem}
  nav{padding:0 1rem}
  section{padding:4rem 1rem}
}