/* ===========================
   Global
=========================== */

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

body{
    background:#f5f7fb;
    color:#222;
}

/* ===========================
   Navbar
=========================== */

.navbar{

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:20px 80px;

    background:#fff;

    box-shadow:0 3px 10px rgba(0,0,0,.08);

    position:sticky;

    top:0;

    z-index:1000;

}

.logo{

    font-size:34px;

    font-weight:bold;

    color:#2563eb;

}

.navbar nav{

    display:flex;

    align-items:center;

    gap:30px;

}

.navbar nav a{

    text-decoration:none;

    color:#333;

    font-weight:600;

}

.login-btn{

    background:#2563eb;

    color:#fff !important;

    padding:12px 24px;

    border-radius:10px;

}

/* ===========================
   Hero
=========================== */

.hero{

    display:flex;

    justify-content:center;

    align-items:center;

    padding:80px 20px;

}

.hero-content{

    width:100%;

    max-width:700px;

    background:#fff;

    border-radius:20px;

    padding:60px;

    text-align:center;

    box-shadow:0 10px 30px rgba(0,0,0,.12);

}

.hero h1{

    font-size:58px;

    margin-bottom:20px;

}

.hero p{

    font-size:22px;

    color:#666;

    line-height:1.7;

    margin-bottom:35px;

}

.primary-btn{

    background:#2563eb;

    color:white;

    border:none;

    padding:18px 40px;

    font-size:20px;

    border-radius:10px;

    cursor:pointer;

}

.primary-btn:hover{

    background:#1d4ed8;

}

/* ===========================
   Features
=========================== */

.features{

    max-width:1200px;

    margin:0 auto 80px;

    display:grid;

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

    gap:30px;

    padding:0 30px;

}

.card{

    background:#fff;

    padding:35px;

    border-radius:15px;

    box-shadow:0 8px 20px rgba(0,0,0,.08);

    transition:.3s;

}

.card:hover{

    transform:translateY(-6px);

}

.card h2{

    color:#2563eb;

    margin-bottom:15px;

}

.card p{

    color:#666;

    line-height:1.8;

}

/* ===========================
   Responsive
=========================== */

@media(max-width:900px){

    .navbar{

        flex-direction:column;

        gap:20px;

        padding:20px;

    }

    .navbar nav{

        flex-wrap:wrap;

        justify-content:center;

    }

    .hero h1{

        font-size:40px;

    }

    .hero p{

        font-size:18px;

    }

    .hero-content{

        padding:40px;

    }

    .features{

        grid-template-columns:1fr;

    }

}