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

body{
background:#08171d;
color:white;
}

header{
position:fixed;
top:0;
left:0;
width:100%;
background:rgba(0,0,0,.45);
backdrop-filter:blur(12px);
z-index:1000;
}

.navbar{
max-width:1200px;
margin:auto;
display:flex;
justify-content:space-between;
align-items:center;
padding:20px;
}

.logo{
font-size:28px;
font-weight:700;
}

.logo span{
color:#00ffc8;
}

nav a{
color:white;
text-decoration:none;
margin-left:30px;
font-weight:500;
transition:.3s;
}

nav a:hover{
color:#00ffc8;
}

.hero{
min-height:100vh;
display:flex;
justify-content:center;
align-items:center;
padding:100px 20px;
background:linear-gradient(135deg,#062630,#0c1d22);
position:relative;
overflow:hidden;
}

.overlay{
position:absolute;
width:600px;
height:600px;
background:#00ffc810;
filter:blur(120px);
border-radius:50%;
}

.hero-content{
max-width:850px;
text-align:center;
z-index:2;
}

.profile{
width:170px;
height:170px;
border-radius:50%;
border:5px solid #00ffc8;
object-fit:cover;
margin-bottom:25px;
}

.hero h1{
font-size:55px;
font-weight:700;
}

.hero h3{
font-size:22px;
color:#c6d3d8;
margin:18px 0;
}

.skill-card{
background:#101010;
padding:35px;
border-radius:20px;
margin:40px auto;
max-width:700px;
box-shadow:0 10px 35px rgba(0,255,200,.15);
}

.skill-card h2{
color:#00ffc8;
margin-bottom:20px;
}

.skill-card p{
font-size:17px;
line-height:1.8;
}

.skill-card hr{
margin:20px 0;
border:1px solid #444;
}

.skill-card h4{
color:#00ffae;
margin-bottom:15px;
}

.launch{
color:#d2d2d2;
}

.intro{
font-size:20px;
line-height:1.8;
margin-top:30px;
color:#d0d0d0;
}

.btn{
display:inline-block;
margin-top:40px;
padding:16px 42px;
background:#00ffc8;
color:black;
font-weight:600;
text-decoration:none;
border-radius:50px;
transition:.4s;
}

.btn:hover{
background:white;
transform:translateY(-5px);
}

.social{
margin-top:40px;
}

.social a{
display:inline-flex;
justify-content:center;
align-items:center;
width:55px;
height:55px;
border:2px solid #00ffc8;
border-radius:50%;
margin:10px;
color:white;
font-size:22px;
text-decoration:none;
transition:.4s;
}

.social a:hover{
background:#00ffc8;
color:black;
transform:translateY(-5px);
}

@media(max-width:768px){

.hero h1{
font-size:40px;
}

.hero h3{
font-size:18px;
}

nav{
display:none;
}

.profile{
width:140px;
height:140px;
}

.skill-card{
padding:25px;
}

}
.logo{
    display:flex;
    align-items:center;
    gap:12px;
    font-size:24px;
    font-weight:700;
    color:#fff;
}

.logo img{
    width:50px;
    height:50px;
    border-radius:50%;
    object-fit:cover;
    border:2px solid #00ffc8;
}

.logo span{
    color:#fff;
}
.book-section{
padding:80px 20px;
background:#0b161c;
text-align:center;
}

.book-card{
max-width:900px;
margin:auto;
display:flex;
flex-wrap:wrap;
align-items:center;
background:#111;
padding:25px;
border-radius:20px;
box-shadow:0 10px 30px rgba(0,255,200,.15);
}

.book-card img{
width:220px;
border-radius:15px;
margin:auto;
}

.book-info{
flex:1;
padding:20px;
text-align:left;
color:#fff;
}

.buy-btn{
display:inline-block;
margin-top:20px;
padding:14px 30px;
background:#ff9900;
color:#fff;
text-decoration:none;
border-radius:50px;
font-weight:600;
}

.buy-btn:hover{
background:#e68a00;
}