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

body{
    background: linear-gradient(135deg,#667eea,#764ba2);
    color:white;
    min-height:100vh;
    transition:0.5s;
}

/* Dark Mode */
#dark-toggle{
    display:none;
}

#dark-toggle:checked ~ *{
    background:#111 !important;
    color:#eee !important;
}

.toggle-btn{
    position:fixed;
    top:20px;
    right:20px;
    font-size:20px;
    cursor:pointer;
    background:white;
    color:black;
    padding:8px 12px;
    border-radius:50%;
    z-index:1000;
}

/* Header */
header{
    text-align:center;
    padding:100px 20px;
}

header h1{
    font-size:48px;
    font-weight:700;
}

header p{
    margin-top:10px;
}

.btn{
    display:inline-block;
    margin-top:20px;
    padding:10px 25px;
    background:rgba(255,255,255,0.2);
    backdrop-filter:blur(10px);
    border-radius:25px;
    text-decoration:none;
    color:white;
    transition:0.3s;
}

.btn:hover{
    background:white;
    color:#764ba2;
}

/* Sections */
section{
    padding:60px 10%;
    text-align:center;
}

h2{
    margin-bottom:30px;
    font-size:28px;
}

/* Glass Effect */
.glass{
    background:rgba(255,255,255,0.1);
    backdrop-filter:blur(15px);
    border-radius:20px;
    margin:40px 10%;
    padding:40px;
}

/* Cards */
.card-container{
    display:flex;
    gap:20px;
    justify-content:center;
    flex-wrap:wrap;
}

.card{
    background:rgba(255,255,255,0.15);
    backdrop-filter:blur(15px);
    padding:25px;
    border-radius:20px;
    width:300px;
    transition:0.4s;
}

.card:hover{
    transform:translateY(-15px) scale(1.05);
}

/* Skills */
.skills span{
    display:inline-block;
    margin:10px;
    padding:10px 20px;
    background:rgba(255,255,255,0.2);
    border-radius:20px;
    transition:0.3s;
}

.skills span:hover{
    background:white;
    color:#764ba2;
}

/* Footer */
footer{
    text-align:center;
    padding:20px;
    margin-top:50px;
    background:rgba(0,0,0,0.2);
}

/* Animations */
.fade-in{
    opacity:0;
    animation:fadeIn 1s forwards;
}

.delay{
    animation-delay:0.5s;
}
.delay2{
    animation-delay:1s;
}
.delay3{
    animation-delay:1.5s;
}

@keyframes fadeIn{
    to{
        opacity:1;
        transform:translateY(0);
    }
}

/* Responsive */
@media(max-width:768px){
    .card-container{
        flex-direction:column;
        align-items:center;
    }

    header h1{
        font-size:32px;
    }
}