body{
margin:0;
font-family:Arial;
background:#0a192f;
color:white;
}

nav{
display:flex;
justify-content:space-between;
padding:20px 10%;
background:#020c1b;
position:sticky;
top:0;
}

nav ul{
display:flex;
list-style:none;
}

nav ul li{
margin-left:25px;
}

nav ul li a{
color:white;
text-decoration:none;
position:relative;
}

nav ul li a::after{
content:"";
position:absolute;
width:0%;
height:2px;
background:#00f7ff;
left:0;
bottom:-5px;
transition:0.4s;
}

nav ul li a:hover::after{
width:100%;
}

.logo span{
color:#00f7ff;
}

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

.profile{
width:150px;
border-radius:50%;
border:3px solid #00f7ff;
}

.btn{
padding:10px 20px;
background:#00f7ff;
color:black;
margin:10px;
border-radius:5px;
text-decoration:none;
}

section{
padding:80px 10%;
}

.skill{
margin:20px 0;
}

.bar{
background:#233554;
height:8px;
}

.bar span{
display:block;
height:8px;
background:#00f7ff;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
}

.card{
background:#112240;
padding:20px;
border-radius:10px;
transition:0.3s;
}

.card:hover{
transform:translateY(-10px);
box-shadow:0 0 15px #00f7ff;
}

.cert-container{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
}

.cert-card{
background:#112240;
padding:25px;
border-radius:10px;
transition:0.4s;
cursor:pointer;
}

.cert-card:hover{
transform:translateY(-10px);
box-shadow:0 0 20px #00f7ff;
}

footer{
background:black;
padding:40px;
font-family:monospace;
color:#00ff9c;
}

.terminal{
background:#020c1b;
padding:20px;
border-radius:8px;
border:1px solid #00ff9c;
}

.copy{
text-align:center;
color:white;
margin-top:20px;
}

@media(max-width:768px){

nav ul{
flex-direction:column;
}

}