*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Segoe UI,sans-serif;
}

body{
    background:#f5f8fc;
    color:#222;
    line-height:1.6;
}

header{
    background:#0b4f9c;
    padding:15px 0;
    position:sticky;
    top:0;
}

nav ul{
    display:flex;
    justify-content:center;
    list-style:none;
    gap:30px;
}

nav a{
    color:white;
    text-decoration:none;
    font-weight:600;
}

.hero{
    text-align:center;
    padding:80px 20px;
    background:white;
}

.hero h1{
    font-size:3rem;
    color:#0b4f9c;
}

.hero h2{
    margin-top:10px;
}

.hero p{
    margin-top:15px;
}

.buttons{
    margin-top:25px;
}

.btn{
    display:inline-block;
    margin:8px;
    padding:12px 20px;
    background:#0b4f9c;
    color:white;
    text-decoration:none;
    border-radius:8px;
}

section{
    max-width:1100px;
    margin:auto;
    padding:60px 20px;
}

section h2{
    margin-bottom:20px;
    color:#0b4f9c;
    border-bottom:3px solid #0b4f9c;
    display:inline-block;
}

.skills-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:20px;
}

.card{
    background:white;
    padding:20px;
    border-radius:10px;
    box-shadow:0 2px 8px rgba(0,0,0,0.1);
}

.project-card{
    background:white;
    padding:20px;
    margin-bottom:20px;
    border-radius:10px;
    box-shadow:0 2px 8px rgba(0,0,0,0.1);
}

.project-card a{
    display:inline-block;
    margin-top:10px;
    color:#0b4f9c;
    font-weight:bold;
}

#contact a{
    color:#0b4f9c;
}

footer{
    text-align:center;
    background:#0b4f9c;
    color:white;
    padding:20px;
}

#certifications ul{

    margin-top:15px;

    margin-left:20px;

}

#certifications li{

    margin-bottom:10px;

}

#certifications a{

    color:#0b4f9c;

    text-decoration:none;

    font-weight:500;

}

#certifications a:hover{

    text-decoration:underline;

}

#education .project-card,
#certifications .project-card{

    margin-bottom:20px;

}

#education p,
#certifications p{

    margin-top:8px;

}

#education a,
#certifications a{

    display:inline-block;

    margin-top:10px;

    color:#0b4f9c;

    font-weight:600;

    text-decoration:none;

}

#education a:hover,
#certifications a:hover{

    text-decoration:underline;

}