*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  font-family: Arial, sans-serif;
  line-height:1.6;
  background:#0f172a;
  color:#f8fafc;
}

.container{
  width:90%;
  max-width:1100px;
  margin:auto;
}

.hero{
  padding:90px 0;
  text-align:center;
  background:linear-gradient(135deg,#111827,#1e293b);
}

.hero h1{
  font-size:3rem;
  margin-bottom:10px;
}

.tagline{
  color:#38bdf8;
  font-size:1.2rem;
  margin-bottom:20px;
}

.summary{
  max-width:800px;
  margin:auto;
  color:#cbd5e1;
}

.hero-links{
  margin-top:30px;
}

.hero-links a{
  text-decoration:none;
  color:white;
  background:#2563eb;
  padding:12px 22px;
  border-radius:8px;
  margin:8px;
  display:inline-block;
  transition:0.3s;
}

.hero-links a:hover{
  background:#1d4ed8;
}

.section{
  padding:70px 0;
}

.section h2{
  text-align:center;
  margin-bottom:40px;
  font-size:2rem;
}

.dark{
  background:#111827;
}

.card{
  background:#1e293b;
  padding:30px;
  border-radius:14px;
  margin-bottom:20px;
}

.skills-grid,
.project-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;
}

.skill-card,
.project-card{
  background:#1e293b;
  padding:25px;
  border-radius:14px;
  transition:0.3s;
}

.skill-card:hover,
.project-card:hover{
  transform:translateY(-5px);
}

.project-card h3{
  margin-bottom:15px;
}

.tech-stack{
  margin-top:15px;
  color:#38bdf8;
  font-size:0.95rem;
}

.project-links{
  margin-top:20px;
}

.project-links a{
  text-decoration:none;
  color:white;
  background:#2563eb;
  padding:10px 16px;
  border-radius:6px;
  margin-right:10px;
  display:inline-block;
}

.project-links a:hover{
  background:#1d4ed8;
}

.cert-list li{
  margin-bottom:15px;
}

.cert-list a{
  color:#38bdf8;
  margin-left:10px;
}

.date{
  color:#38bdf8;
  display:block;
  margin-bottom:15px;
}

footer{
  background:#020617;
  padding:50px 0;
  text-align:center;
}

.footer-links{
  margin:20px 0;
}

.footer-links a{
  margin:0 10px;
  color:#38bdf8;
  text-decoration:none;
}

.footer-note{
  color:#94a3b8;
}

@media(max-width:768px){
  .hero h1{
    font-size:2.2rem;
  }
}