:root{
  --bg: #0b0b0b;
  --panel: rgba(255,255,255,0.03);
  --muted: rgba(255,255,255,0.55);
  --accent: #ffffff;
  --radius: 14px;
  --glass: linear-gradient(135deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:
    radial-gradient(600px 600px at 50% 20%, rgba(90,60,150,0.06), transparent 10%),
    radial-gradient(400px 400px at 8% 90%, rgba(10,110,140,0.06), transparent 8%),
    var(--bg);
  color:var(--accent);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:40;
  backdrop-filter: blur(6px);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.35));
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.header-inner{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:12px 20px;
}
.logo-bucket{
  width:44px;height:44px;border-radius:10px;background:var(--panel);display:flex;align-items:center;justify-content:center;font-size:20px;
}
.main-nav{margin-left:18px;display:flex;gap:18px;flex:1;justify-content:center}
.nav-link{
  color:var(--muted);
  text-decoration:none;
  font-size:15px;
  padding:6px 8px;
  border-radius:8px;
}
.nav-link:hover{color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:12px}
.dashboard-btn{
  background:linear-gradient(180deg,#ffffff06,#ffffff03);
  border:1px solid rgba(255,255,255,0.06);
  padding:8px 14px;border-radius:10px;color:var(--accent);
  cursor:pointer;font-weight:600;
  position: fixed;
  top: 12px;
  right: 20px;
  z-index: 50;
}

/* HERO */
.hero{
  min-height:70vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:80px 20px;
  text-align:center;
}
.hero-inner{max-width:900px}
.hero-title{
  font-family: 'Poppins', system-ui, sans-serif;
  font-size:64px;
  margin:0;
  letter-spacing:0.5px;
  color:var(--accent);
  text-shadow: 0 6px 30px rgba(0,0,0,0.7);
}
.brand{color:var(--accent)}
.wave{font-size:36px;margin-left:8px;vertical-align:middle}
.hero-sub{
  color:var(--muted);
  margin-top:18px;
  font-size:16px;
  max-width:760px;
  margin-left:auto;margin-right:auto;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 20px;
  border-radius:12px;
  text-decoration:none;
  font-weight:600;
}
.btn-ghost{
  background: #ffffff12;
  border: 1px solid rgba(255,255,255,0.06);
  color:var(--accent);
}
.btn-outline{
  background:transparent;
  border:1px solid rgba(255,255,255,0.06);
  color:var(--muted);
}

/* section common */
.container{max-width:1100px;margin:0 auto;padding:40px 20px}
.section-title{
  font-family:'Poppins', sans-serif;
  font-size:44px;
  margin:0 0 12px 0;
  text-align:center;
}
.section-sub{color:var(--muted);text-align:center;margin:0 auto 36px auto;max-width:800px}

/* FEATURES */
.features-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
  margin-top:28px;
}
.feature{
  background:var(--panel);
  padding:24px;border-radius:16px;border:1px solid rgba(255,255,255,0.03);
}
.feature-icon{font-size:20px;margin-bottom:8px}
.feature-title{margin:0 0 8px 0;font-weight:700}
.feature-text{margin:0;color:var(--muted)}

/* SKILLS */
.skills{padding:40px 0}
.skills-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:18px;
}
.skill-card{
  background:var(--panel);
  padding:20px;border-radius:14px;border:1px solid rgba(255,255,255,0.03);
}
.skill-title{margin:0 0 6px 0;font-weight:700}
.skill-desc{margin:0 0 12px;color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-block;padding:6px 10px;border-radius:999px;
  background:rgba(0,0,0,0.35);border:1px solid rgba(255,255,255,0.03);
  font-size:13px;color:var(--muted)
}

/* wide list cards */
.languages-card, .tools-card{
  margin-top:24px;
  background:var(--panel);
  padding:22px;border-radius:14px;border:1px solid rgba(255,255,255,0.03);
}

/* Footer */
.site-footer{padding:26px 0;color:var(--muted);text-align:center;border-top:1px solid rgba(255,255,255,0.02)}

/* Responsive */
@media (max-width:900px){
  .hero-title{font-size:40px}
  .features-grid{grid-template-columns:1fr}
  .skills-grid{grid-template-columns:1fr}
  .main-nav{display:none}
}

/* Animation styles */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}