:root{
  --green-900:#0f5132;
  --green-700:#1e8f66;
  --green-500:#2bb673;
  --green-100:#eaf7f0;
  --white:#ffffff;
  --muted:#6b7280;
  --radius:12px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,'Helvetica Neue',Arial;
  color:var(--green-900);background:var(--white);-webkit-font-smoothing:antialiased;
}
.container{max-width:1060px;margin:0 auto;padding:1rem}

/* Header */
.site-header{background:linear-gradient(180deg,var(--green-100),var(--white));position:sticky;top:0;z-index:30;backdrop-filter: blur(6px)}
.nav-container{display:flex;align-items:center;gap:1rem;justify-content:space-between;padding:0.6rem 0}
.brand{font-weight:700;color:var(--green-900);text-decoration:none;font-size:1.1rem}
.nav{display:block}
.nav ul{list-style:none;padding:0;margin:0;display:flex;gap:1rem;align-items:center}
.nav a{color:var(--green-900);text-decoration:none;padding:0.4rem 0.6rem;border-radius:8px}
.nav a:hover{background:rgba(43,142,102,0.08)}
.nav-toggle{display:none;background:none;border:0;font-size:1.25rem}

/* Hero */
.hero{padding:2.25rem 0;background:linear-gradient(90deg,var(--white),var(--green-100));}
.hero-grid{display:grid;grid-template-columns:120px 1fr;gap:1rem;align-items:center}
.avatar svg{width:120px;height:120px;border-radius:50%;display:block}
.avatar img{width:120px;height:120px;object-fit:cover;border-radius:50%;display:block}
.hero-content h1{margin:0;font-size:1.75rem;color:var(--green-900)}
.muted{color:var(--muted);margin:0.4rem 0}
.btn{display:inline-block;background:var(--green-700);color:var(--white);padding:0.45rem 0.9rem;border-radius:8px;text-decoration:none;margin-right:0.5rem}
.btn.ghost{background:transparent;border:1px solid rgba(30,143,102,0.14);color:var(--green-900)}

/* Sections */
.section{padding:2rem 0}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}
.card{background:var(--white);border-radius:var(--radius);padding:1rem;border:1px solid rgba(15,81,50,0.06);box-shadow:0 4px 14px rgba(15,81,50,0.03)}
.timeline{display:flex;flex-direction:column;gap:1rem}
.timeline-item{padding:0.8rem 0;border-bottom:1px dashed rgba(15,81,50,0.05)}
.timeline-item .year{font-weight:700;color:var(--green-700);display:block}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.skills-list{list-style:none;padding:0;margin:0}
.skills-list li{padding:0.25rem 0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.blog-list{display:grid;gap:1rem}
.post{padding:1rem;border-radius:10px;border:1px solid rgba(15,81,50,0.04)}

/* Footer */
.site-footer{padding:1.5rem 0;border-top:1px solid rgba(15,81,50,0.04);background:var(--white)}

/* Responsive */
@media (max-width:800px){
  .hero-grid{grid-template-columns:96px 1fr;gap:0.75rem}
  .nav ul{display:none;position:absolute;right:1rem;top:64px;background:var(--white);flex-direction:column;padding:0.5rem;border-radius:10px;box-shadow:0 8px 30px rgba(15,81,50,0.08)}
  .nav-toggle{display:block}
  .two-col{grid-template-columns:1fr}
}

@media (min-width:801px){
  .nav ul{display:flex}
}

/* small helpers */
.muted{color:var(--muted)}