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

body{
    font-family:Arial, Helvetica, sans-serif;
    color:#333;
    line-height:1.6;
}

.container{
    width:90%;
    max-width:1100px;
    margin:auto;
}

header{
    background:#fff;
    border-bottom:1px solid #eee;
    position:sticky;
    top:0;
    z-index:100;
}

header .container{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 0;
}

.logo{
    font-size:24px;
    font-weight:bold;
}

nav a{
    text-decoration:none;
    color:#333;
    margin-left:20px;
}

.hero{
    background:#f5f7fa;
    text-align:center;
    padding:120px 0;
}

.hero h1{
    font-size:48px;
    margin-bottom:20px;
}

.hero p{
    max-width:700px;
    margin:auto;
    margin-bottom:30px;
}

.btn{
    background:#111;
    color:#fff;
    text-decoration:none;
    padding:14px 28px;
    border-radius:5px;
}

.section{
    padding:80px 0;
}

.section h2{
    text-align:center;
    margin-bottom:40px;
}

.gray{
    background:#fafafa;
}

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

.card{
    background:#fff;
    padding:25px;
    border-radius:8px;
    border:1px solid #eee;
}

.stats{
    display:flex;
    justify-content:center;
    gap:60px;
    text-align:center;
}

.stats h3{
    font-size:36px;
}

.contact-box{
    text-align:center;
}

footer{
    background:#111;
    color:white;
    text-align:center;
    padding:25px;
}

@media(max-width:768px){

    header .container{
        flex-direction:column;
        gap:15px;
    }

    nav{
        display:flex;
        flex-wrap:wrap;
        justify-content:center;
    }

    .hero h1{
        font-size:36px;
    }

    .stats{
        flex-direction:column;
        gap:30px;
    }

}