*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:'Poppins',sans-serif;
    background:#f5f7fa;
}

header{
    position:fixed;
    width:100%;
    z-index:1000;
}

.navbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 8%;
    background:rgba(14, 114, 230, 0.4);
    backdrop-filter:blur(10px);
}

.logo{
    display:flex;
    align-items:center;
    gap:10px;
    color:white;
    font-weight:600;
}

.logo img{
    height:50px;
}

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

.navbar a{
    text-decoration:none;
    color:white;
    font-weight:500;
}

.hero{
    height:100vh;
    background:url("alunos.jpg") center center/cover;
    position:relative;

    display:flex;
    justify-content:center;
    align-items:center;
}

.overlay{
    position:absolute;
    inset:0;
    background: #f5f7fa;
}

.hero-content{
    position:relative;
    color:white;
    text-align:center;
    max-width:800px;
    padding:20px;
}

.hero h1{
    font-size:4rem;
    margin-bottom:20px;
    color:#000;
}

.hero p{
    font-size:1.3rem;
    margin-bottom:30px;
    color:#616060;
}

.buttons{
    display:flex;
    justify-content:center;
    gap:15px;
    flex-wrap:wrap;
}

.btn-primary{
    background:#f9c80e;
    color:#000;
    padding:15px 30px;
    border-radius:40px;
    text-decoration:none;
    font-weight:600;
}

.btn-secondary{
    border:2px solid white;
    color:white;
    padding:15px 30px;
    border-radius:40px;
    text-decoration:none;
}

.stats{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    text-align:center;
    background:#0f7b3b;
    color:white;
    padding:60px 10%;
}

.stat h2{
    font-size:3rem;
}

.courses,
.projects,
.testimonials{
    padding:100px 10%;
}

.courses h2,
.projects h2,
.testimonials h2{
    text-align:center;
    margin-bottom:50px;
}

.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:25px;
}

.card{
    background:white;
    padding:30px;
    border-radius:20px;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
    transition:.3s;
}

.card:hover{
    transform:translateY(-10px);
}

.testimonial-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:20px;
}

.testimonial{
    background:white;
    padding:30px;
    border-radius:20px;
}

.cta{
    background:#064420;
    color:white;
    text-align:center;
    padding:100px 20px;
}

.cta h2{
    margin-bottom:30px;
    font-size:2.5rem;
}

footer{
    background:#021f0d;
    color:white;
    padding:40px 10%;
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
}

.util{
    font-size:0.5rem;
    color:#b1b0b0;
    text-align: right;
    text-decoration: none;
}
#algo{
    background:#021f0d;
}

@media(max-width:768px){

    .hero h1{
        font-size:2.5rem;
    }

    .navbar{
        flex-direction:column;
        gap:20px;
    }

    .navbar ul{
        flex-wrap:wrap;
        justify-content:center;
    }

}