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

body{
    background:#0a0f1f;
    color:white;
}

/* Navbar */

.navbar{
    position:fixed;
    width:100%;
    top:0;
    padding:20px 10%;
    display:flex;
    justify-content:space-between;
    align-items:center;

    background:rgba(255,255,255,0.05);

    backdrop-filter:blur(10px);
    z-index:1000;
}

.logo{
    color:#4da6ff;
}

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

.nav-links a{
    color:white;
    text-decoration:none;
    transition:0.3s;
}

.nav-links a:hover{
    color:#4da6ff;
}

/* Hero */

.hero{
    min-height:75vh;

    display:flex;
    justify-content:space-between;
    align-items:center;

    padding:120px 10% 60px;
    gap:50px;
}

.hero-text{
    flex:1;
}

.hero-text h1{
    font-size:3rem;
    margin-bottom:15px;
}

.hero-text span{
    color:#4da6ff;
}

.hero-text h3{
    margin-bottom:20px;
    color:#cfcfcf;
}

.hero-text p{
    line-height:1.8;
    margin-bottom:25px;
}

.hero-image img{
    width:350px;
    border-radius:50%;
    border:4px solid #4da6ff;
}

/* Buttons */

.btn{
    display:inline-block;

    padding:12px 25px;

    background:#4da6ff;

    color:white;

    text-decoration:none;

    border-radius:10px;

    margin-right:15px;

    transition:0.3s;
}

.btn:hover{
    transform:translateY(-3px);
}

.btn-secondary{
    background:transparent;
    border:2px solid #4da6ff;
}

/* Sections */

.section{
    padding:50px 10%;
}

.section h2{
    margin-bottom:30px;
    color:#4da6ff;
}

/* Cards */

.card{
    background:rgba(255,255,255,0.05);

    padding:25px;

    border-radius:15px;

    backdrop-filter:blur(10px);

    border:1px solid rgba(255,255,255,0.1);
}

/* Skills */

.skills-container{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
}

.skill-card{
    padding:20px 30px;

    background:rgba(255,255,255,0.05);

    border-radius:12px;

    transition:0.3s;
}

.skill-card:hover{
    transform:translateY(-5px);

    background:#4da6ff;
}

/* Certificates */

.certificate-grid{
    display:grid;

    grid-template-columns:
    grid-template-columns:repeat(3,1fr);

    gap:20px;
}

/* Footer */

footer{
    text-align:center;
    padding:25px;
    margin-top:40px;
    background:#111827;
    border-top:1px solid rgba(255,255,255,0.1);
}

/* Mobile */

@media(max-width:768px){

    .hero{
        flex-direction:column;
        text-align:center;
    }

    .hero-image img{
        width:250px;
    }

    .nav-links{
        gap:15px;
        font-size:14px;
    }
}