:root{
--bg:#0b0e14;
--panel:#101522;
--text:#e5e7eb;
--muted:#b6c1d1;
--brand:#0ea5e9;
--brand-2:#22d3ee; 
--border:rgba(255,255,255,.10);
--radius:14px;
--shadow:0 10px 30px rgba(0,0,0,.35);
}



html{scroll-behavior:smooth}
*{box-sizing:border-box}
body{
margin:0;
background:linear-gradient(180deg,var(--bg),#0b1324);
color:var(--text);
font:400 16px/1.6 Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}



.container{max-width:1100px;margin:0 auto;padding:0 20px}
.section{padding:56px 0}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.grid>.card{grid-column:span 12}
@media (min-width:860px){ .grid>.card{grid-column:span 6} }



.site-header{position:sticky;top:0;z-index:50;background:rgba(16,21,34,.7);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;justify-content:space-between;align-items:center;height:68px}
.brand--hidden{width:1px;height:1px;overflow:hidden;position:absolute;clip:rect(0 0 0 0)}
.site-header nav a{margin-left:16px;color:var(--text);text-decoration:none}
.site-header nav a:hover{opacity:.8}



.hero{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;padding:72px 0 32px}
@media(min-width:900px){ .hero{grid-template-columns:1.2fr .8fr} }
.name-accent{font-weight:800;letter-spacing:.3px;color:var(--brand-2);margin:0 0 6px;font-size:clamp(36px,7vw,64px)}
.hero h1{font-size:clamp(26px,5vw,40px);line-height:1.06;margin:0}
.lead{color:var(--muted);max-width:680px}
.hero__right{display:flex;justify-content:center}
.avatar{width:220px;height:220px;border-radius:50%;object-fit:cover;border:2px solid var(--border);box-shadow:var(--shadow)}



.card{background:linear-gradient(180deg,var(--panel),rgba(255,255,255,.02));border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card h3{margin:6px 0 8px}
.card p{color:var(--muted)}
.card__actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}


.chips{list-style:none;padding:0;margin:12px 0;display:flex;gap:10px;flex-wrap:wrap}
.chips li{border:1px solid var(--border);border-radius:999px;padding:8px 12px;color:var(--muted);background:linear-gradient(180deg,var(--panel),rgba(255,255,255,.02))}


.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:12px;border:1px solid var(--border);text-decoration:none;color:var(--text);background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02))}
.btn:hover{transform:translateY(-1px)}
.btn--primary{border-color:transparent;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#001018;font-weight:700}



.site-footer{padding:28px 0;border-top:1px solid var(--border);color:var(--muted)}



.hidden {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}
.visible {
  opacity: 1;
  transform: translateY(0);
}


#backToTop {
  position: fixed;
  right: 20px;
  bottom: 20px;
  padding: 10px 14px;
  border-radius: 8px;
  border: none;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  display: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  z-index: 100;
}
#backToTop.show { display: block; }


.btn {
  position: relative;
  overflow: hidden;
}
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transform: scale(0);
  animation: ripple .6s linear;
  pointer-events: none;
  width: 100px;
  height: 100px;
}
@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}


#themeToggle {
  position: fixed;
  left: 20px;
  bottom: 20px;
  padding: 8px 12px;
  border: none;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
  font-size: 18px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  z-index: 100;
}