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

html{
scroll-behavior:smooth;
}

body{
background:#020617;
color:#fff;
overflow-x:hidden;
}

/* Animated Background */

.bg-animation{
position:fixed;
top:0;
left:0;
width:100%;
height:100%;
z-index:-1;
background:
radial-gradient(circle at 20% 20%,rgba(0,191,255,.15),transparent 25%),
radial-gradient(circle at 80% 30%,rgba(0,191,255,.10),transparent 25%),
radial-gradient(circle at 50% 80%,rgba(0,191,255,.08),transparent 30%);
animation:bgMove 15s linear infinite alternate;
}

@keyframes bgMove{
0%{transform:translateY(0);}
100%{transform:translateY(-40px);}
}

/* Navbar */

nav{
position:fixed;
top:0;
left:0;
width:100%;
padding:20px 8%;
display:flex;
justify-content:space-between;
align-items:center;
background:rgba(0,0,0,.4);
backdrop-filter:blur(15px);
z-index:1000;
border-bottom:1px solid rgba(255,255,255,.08);
}

.logo{
font-size:32px;
font-weight:800;
color:#00bfff;
text-shadow:0 0 15px #00bfff;
}

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

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

nav a:hover

/* Hero */

.hero{
min-height:100vh;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
text-align:center;
padding:140px 20px 80px;
}

.profile{
width:190px;
height:190px;
border-radius:50%;
object-fit:cover;
border:4px solid #00bfff;
box-shadow:
0 0 25px #00bfff,
0 0 50px rgba(0,191,255,.5);
animation:float 4s ease-in-out infinite;
}

@keyframes float{
0%,100%{
transform:translateY(0);
}
50%{
transform:translateY(-15px);
}
}

.hero h1{
font-size:90px;
font-weight:800;
margin-top:25px;
}

.hero h2{
font-size:45px;
color:#00bfff;
margin-top:10px;
}

.hero p{
max-width:750px;
font-size:20px;
line-height:1.8;
margin-top:20px;
opacity:.9;
}

/* Buttons */

.hero-buttons{
display:flex;
gap:20px;
margin-top:40px;
flex-wrap:wrap;
justify-content:center;
}

.btn-primary{
padding:15px 35px;
background:#00bfff;
color:black;
font-weight:700;
border-radius:50px;
text-decoration:none;
transition:.3s;
}

.btn-primary:hover{
transform:translateY(-4px);
box-shadow:0 0 25px #00bfff;
}

.btn-github{
padding:15px 35px;
border-radius:50px;
border:2px solid #00bfff;
color:#00bfff;
text-decoration:none;
font-weight:700;
transition:.3s;
}

.btn-github:hover{
background:#00bfff;
color:black;
box-shadow:0 0 25px #00bfff;
}

.btn-youtube{
padding:15px 35px;
border-radius:50px;
background:#ff0000;
color:white;
text-decoration:none;
font-weight:700;
display:flex;
align-items:center;
gap:10px;
transition:.3s;
box-shadow:0 0 20px rgba(255,0,0,.5);
}

.btn-youtube:hover{
transform:translateY(-4px);
box-shadow:0 0 35px rgba(255,0,0,.8);
}

/* Sections */

section{
padding:100px 10%;
}

.section-title{
font-size:45px;
text-align:center;
margin-bottom:40px;
color:#00bfff;
}

/* Glass Card */

.glass-card{
background:rgba(255,255,255,.05);
border:1px solid rgba(255,255,255,.08);
backdrop-filter:blur(15px);
padding:35px;
border-radius:20px;
}

/* Grid */

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:25px;
}

/* Cards */

.card{
background:rgba(255,255,255,.05);
border:1px solid rgba(255,255,255,.08);
padding:30px;
border-radius:20px;
transition:.35s;
backdrop-filter:blur(10px);
}

.card:hover{
transform:translateY(-10px);
box-shadow:
0 0 25px rgba(0,191,255,.4),
0 0 50px rgba(0,191,255,.2);
}

/* Footer */

footer{
padding:60px 20px;
text-align:center;
border-top:1px solid rgba(255,255,255,.08);
}

footer h3{
color:#00bfff;
margin-bottom:10px;
}

/* Scrollbar */

::-webkit-scrollbar{
width:10px;
}

::-webkit-scrollbar-track{
background:#020617;
}

::-webkit-scrollbar-thumb{
background:#00bfff;
border-radius:50px;
}

::-webkit-scrollbar-thumb:hover

/* Mobile */

@media(max-width:768px){

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

.hero h2{
font-size:32px;
}

.hero p{
font-size:16px;
}

.profile{
width:150px;
height:150px;
}

nav{
flex-direction:column;
gap:10px;
}

nav ul{
gap:15px;
flex-wrap:wrap;
justify-content:center;
}

.hero-buttons{
flex-direction:column;
}

.btn-primary,
.btn-github,
.btn-youtube{
width:250px;
text-align:center;
justify-content:center;
}
}
.download-btn{
display:inline-block;
margin-top:15px;
padding:12px 25px;
background:#00bfff;
color:black;
text-decoration:none;
font-weight:700;
border-radius:30px;
transition:.3s;
}

.download-btn:hover{
transform:translateY(-3px);
box-shadow:0 0 20px #00bfff;
}
#logout-btn{
padding:12px 25px;
border:none;
border-radius:30px;
background:#ff4444;
color:white;
cursor:pointer;
font-weight:bold;
margin-top:10px;
}

#logout-btn:hover{
background:#ff2222;
}
@media screen and (max-width: 768px){

nav{
flex-direction:column;
padding:15px;
gap:15px;
}

nav ul{
display:flex;
flex-wrap:wrap;
justify-content:center;
gap:12px;
}

.logo{
font-size:24px;
}

.hero{
padding:120px 15px 60px;
}

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

.hero h1{
font-size:42px;
line-height:1.1;
}

.hero h2{
font-size:26px;
}

.hero p{
font-size:15px;
line-height:1.7;
padding:0 10px;
}

.hero-buttons{
flex-direction:column;
width:100%;
align-items:center;
}

.btn-primary,
.btn-github,
.btn-youtube,
.download-btn,
#login-btn{
width:90%;
max-width:320px;
text-align:center;
justify-content:center;
}

section{
padding:70px 20px;
}

.section-title{
font-size:32px;
}

.grid{
grid-template-columns:1fr;
}

.card{
padding:20px;
}

.glass-card{
padding:20px;
}

#user-photo{
width:70px;
height:70px;
}

footer{
padding:30px 15px;
}
}