:root{
  --bg:#fbfcfd; --card:#ffffff; --muted:#6b7280; --accent:#0f766e;
  --maxw:1100px;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:#0b1220;line-height:1.45}
.container{max-width:var(--maxw);margin:0 auto;padding:36px}
.site-header{background:#fff;border-bottom:1px solid #eef2f7}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding:18px 36px}
.brand{display:flex;gap:16px;align-items:center}
.avatar{width:64px;height:64px;border-radius:8px;object-fit:cover;border:2px solid #e6f0ee}
h1{font-size:20px;margin:0}
.muted{color:var(--muted)}
.top-nav a{margin-left:18px;color:var(--muted);text-decoration:none}
.hero{display:flex;flex-direction:column;gap:18px;padding:46px 36px;border-radius:10px;background:linear-gradient(180deg,#f8fffd,transparent);box-shadow:0 6px 20px rgba(15,118,110,0.06)}
.hero h2{margin:0;font-size:30px;color:var(--accent)}
.btn{display:inline-block;padding:10px 16px;border-radius:8px;background:var(--accent);color:white;text-decoration:none}
.btn.ghost{background:transparent;border:1px solid var(--accent);color:var(--accent)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:18px}
.card{background:var(--card);padding:18px;border-radius:10px;box-shadow:0 6px 18px rgba(11,18,32,0.05);border:1px solid #f1f5f9}
.card h4{margin:0 0 6px 0}
.card p{margin:0 0 12px 0;color:var(--muted);font-size:14px}
.card .evidence{font-size:13px}
.skill-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.mini-links{display:flex;gap:12px;list-style:none;padding:0}
.mini-links a{color:var(--accent);text-decoration:none}
.modal{position:fixed;inset:0;background:rgba(6,7,9,0.6);display:flex;align-items:center;justify-content:center;padding:18px}
.modal.hidden{display:none}
.modal-content{background:white;padding:20px;border-radius:12px;max-width:900px;width:100%;box-shadow:0 18px 40px rgba(2,6,23,0.25)}
.modal-close{float:right;border:0;background:transparent;font-size:18px}
.project-meta{display:flex;gap:18px;align-items:flex-start}
.project-meta pre{background:#f8fafc;padding:12px;border-radius:8px;overflow:auto;font-size:13px}
footer{padding:28px;text-align:center;color:var(--muted)}
@media (max-width:640px){
  .site-header .container{flex-direction:column;gap:12px}
}