:root{
  --bg:#020402;
  --glass: rgba(255,255,255,0.02);
  --neon:#66ff66;
  --neon-dim:#39c63a;
  --muted:#8fa9a1;
  --card:rgba(0,0,0,0.45);
  --max-width:1100px;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial; color:var(--neon);background:#000}

/* canvas fills the page, sits behind content */
#matrix-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block;mix-blend-mode:screen;opacity:0.12}

/* subtle overlay to improve contrast and readability */
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(1200px 600px at 15% 20%, rgba(18,34,18,0.22), rgba(0,0,0,0.45) 40%), linear-gradient(180deg, rgba(0,0,0,0.08), rgba(0,0,0,0.25));}

.container{max-width:var(--max-width);margin:0 auto;padding:1.25rem;position:relative;z-index:1}

.site-header{position:fixed;left:0;right:0;top:0;z-index:2;padding:.75rem 0;background:linear-gradient(180deg,rgba(0,0,0,0.35),transparent);backdrop-filter:blur(4px)}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.brand{font-family:'Orbitron', sans-serif;color:var(--neon);text-decoration:none;font-weight:700;font-size:1.15rem}
.site-nav a{margin-left:1rem;color:var(--neon);text-decoration:none;opacity:0.9}
.site-nav a.resources{border:1px solid rgba(102,255,102,0.14);padding:.35rem .6rem;border-radius:6px}

.hero{min-height:72vh;display:flex;align-items:center}
.hero-inner{padding-top:4.5rem;padding-bottom:3rem}
.hero-title{font-family:'Orbitron',sans-serif;font-size:2.1rem;margin:0 0 .5rem 0;color:var(--neon);text-shadow:0 2px 12px rgba(0,255,0,0.05);line-height:1.05}
.hero-sub{color:var(--neon-dim);margin:0 0 1rem 0;max-width:70ch;font-size:1.05rem;line-height:1.5;color:var(--neon-dim)}
.hero-ctas{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1rem}
.btn{display:inline-block;padding:.6rem .9rem;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:var(--neon);text-decoration:none}
.btn.primary{background:linear-gradient(90deg, rgba(102,255,102,0.12), rgba(57,198,58,0.08));border:1px solid rgba(102,255,102,0.25)}
.btn.ghost{border:1px dashed rgba(102,255,102,0.18)}

.section{padding:2.25rem 0}
.section h2{font-family:'Orbitron',sans-serif;margin:0 0 .8rem 0;color:var(--neon)}
.lead{color:var(--neon-dim);max-width:70ch;font-size:1.03rem;line-height:1.6}

.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.6rem;margin-top:1rem}
.skill{padding:.6rem .8rem;border-radius:8px;background:rgba(0,0,0,0.35);border:1px solid rgba(102,255,102,0.06);color:var(--neon);display:inline-block;font-size:0.95rem}

.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin-top:1rem}
.project{background:linear-gradient(180deg,rgba(0,0,0,0.45),rgba(0,0,0,0.3));padding:1rem;border-radius:10px;border:1px solid rgba(102,255,102,0.06)}
.project h3{margin:.2rem 0;color:var(--neon);font-family:'Inter',system-ui, sans-serif}
.muted{color:var(--neon-dim);font-size:.95rem}
.project-links a{color:var(--neon);text-decoration:underline}

.site-footer{padding:1.5rem 0;color:var(--muted);border-top:1px solid rgba(102,255,102,0.03);margin-top:2rem}
.footer-inner{display:flex;justify-content:space-between;align-items:center}

@media (max-width:800px){
  .hero-title{font-size:1.6rem}
  .header-inner{padding:0 .5rem}
  .site-nav a{margin-left:.6rem;font-size:.95rem}
  .footer-inner{flex-direction:column;gap:.6rem}
}

/* small utility */
.muted-small{color:var(--neon-dim);font-size:.9rem}