:root{
  --blue:#0b66d1;
  --dark:#084b8f;
  --muted:#6b7280;
  --bg:#f7fbff;
  --card:#ffffff;
  --radius:12px;
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, Arial;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:#0f1724;line-height:1.5}
.container{max-width:1000px;margin:0 auto;padding:0 18px}
.site-header{background:#fff;box-shadow:0 2px 10px rgba(10,20,40,0.04);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{width:46px;height:46px;background:linear-gradient(180deg,var(--blue),var(--dark));color:#fff;border-radius:10px;display:grid;place-items:center;font-weight:700}
.brand-text .name{font-weight:700}
.nav a{color:var(--dark);text-decoration:none;margin-left:14px;font-weight:600}
.section{padding:48px 0}
.hero{padding:40px 0}
.hero-inner{display:flex;gap:28px;align-items:center;justify-content:space-between}
.hero-left{flex:1}
.hero-right{width:260px;flex-shrink:0}
.profile-wrap{background:linear-gradient(180deg,#fff, #f3f8ff);padding:8px;border-radius:14px;box-shadow:0 8px 30px rgba(10,20,40,0.06)}
.profile-img{width:240px;height:240px;border-radius:12px;object-fit:cover;display:block}
h1{font-size:28px;margin:0}
.lead{color:var(--muted);margin-top:12px}
.btn{display:inline-block;padding:10px 14px;border-radius:10px;background:var(--blue);color:#fff;text-decoration:none;margin-right:8px;cursor:pointer}
.btn.ghost{background:transparent;color:var(--dark);border:1px solid rgba(11,102,209,0.08)}
.card{background:var(--card);border-radius:var(--radius);padding:18px;box-shadow:0 6px 20px rgba(10,20,40,0.06)}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.skills-grid .card, .projects-grid .card{min-height:100px}
.muted{color:var(--muted)}

/* fade-up animation */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity 520ms ease, transform 520ms ease}
.fade-up.in-view{opacity:1;transform:none}

/* responsive */
@media(max-width:900px){
  .hero-inner{flex-direction:column-reverse;align-items:center}
  .hero-right{width:200px}
  .profile-img{width:180px;height:180px}
  .grid{grid-template-columns:1fr}
  .nav{display:none}
  .brand-text{display:none}
}