:root{
  --bg1:#071225; --bg2:#0e3450;
  --accent:#d4b36a; --muted:#9cb0c3;
  --card:#ffffff; --glass: rgba(255,255,255,0.06);
  --radius:12px; --max:1200px;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  --serif: "Playfair Display", Georgia, serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:var(--sans); color:#eaf6ff;
  background: linear-gradient(180deg,var(--bg1),var(--bg2));
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* background layers */
.bg{position:fixed; inset:0; z-index:-2}
#bgCanvas{position:absolute; inset:0; display:block}
.grid-overlay{
  position:fixed; inset:0; background-image:
    linear-gradient(rgba(255,255,255,0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.01) 1px, transparent 1px);
  background-size: 180px 180px, 180px 180px;
  z-index:-1; pointer-events:none;
}

/* topbar */
.topbar{display:flex;justify-content:space-between;align-items:center;padding:20px 28px}
.brand-serif{font-family:var(--serif); font-size:20px; font-weight:600; margin-right:6px}
.brand-strong{font-weight:700; color:var(--accent); font-size:20px}
.top-actions .btn{margin-left:10px}

/* buttons */
.btn{display:inline-block;padding:8px 12px;border-radius:8px;text-decoration:none;color:inherit;border:1px solid rgba(255,255,255,0.06);background:var(--glass)}
.btn.small{font-size:13px}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.12)}

/* layout */
.site{max-width:var(--max);margin:18px auto;padding:18px;display:grid;grid-template-columns: 300px 1fr;gap:22px}
.panels{display:flex;flex-direction:column;gap:14px}
.panel{
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border-radius:12px;padding:16px;cursor:pointer;border:1px solid rgba(255,255,255,0.04);
  transition:transform .14s ease, box-shadow .14s ease, background .14s;
}
.panel h3{margin:0;font-size:16px}
.panel .muted{font-size:13px;color:var(--muted)}
.panel:hover{transform:translateY(-6px); box-shadow:0 16px 40px rgba(0,0,0,0.45)}
.panel.active{outline:2px solid rgba(212,179,106,0.18); box-shadow:0 18px 50px rgba(2,6,18,0.6); background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02))}

/* content column */
.content{min-height:60vh}
.tabcontent{display:none; background: linear-gradient(180deg, rgba(10,20,30,0.08), rgba(255,255,255,0.02)); padding:22px; border-radius:12px; color:#e9fbff}
.tabcontent.active{display:block}
.tabcontent h2{margin-top:0; font-family:var(--serif); color:#fff; font-size:28px}
.lead{color:rgba(255,255,255,0.9); margin:8px 0 18px}

/* cards / mini gallery */
.welcome-row{display:grid;grid-template-columns:1fr 380px;gap:18px}
.card-large{background:#fff;color:#081623;padding:18px;border-radius:10px}
.card-large.art img{width:100%;height:200px;object-fit:cover;border-radius:8px;display:block}
.meta-list{list-style:none;padding:0;margin:10px 0}
.meta-list li{margin:8px 0;color:#284a5f}

/* project summaries */
.project-summary{margin:18px 0;padding:12px;border-radius:10px;background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)); border:1px solid rgba(255,255,255,0.03)}
.mini-gallery{display:flex;gap:12px;margin-top:10px}
.mini-gallery img{width:160px;height:100px;object-fit:cover;border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,0.45)}

/* skills */
.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:10px}
.skill{background:linear-gradient(180deg,#052033,#0b3552);padding:12px;border-radius:10px;text-align:center;font-weight:600;color:var(--muted);border:1px solid rgba(255,255,255,0.03)}

/* contact */
.contact-card{background:#fff;color:#072033;padding:14px;border-radius:10px}
.footer{padding:18px;text-align:center;color:var(--muted)}

/* responsiveness */
@media(max-width:980px){
  .site{grid-template-columns: 1fr; padding:12px}
  .welcome-row{grid-template-columns:1fr}
  .panels{order:2}
  .content{order:1}
  .skills-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
  .mini-gallery img{width:120px;height:80px}
  .skill{font-size:14px}
}