/* Reset */

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, Helvetica, sans-serif;
}

html{
    scroll-behavior:smooth;
}

body{
    background:#f5f5f5;
}

/* =========================
   Navigation Bar
========================= */

header{
    position:fixed;
    top:0;
    width:100%;
    background:#0d6efd;
    box-shadow:0 2px 10px rgba(0,0,0,.2);
}

.navbar{
    width:90%;
    max-width:1200px;
    margin:auto;
    display:flex;
    justify-content:space-between;
    align-items:center;
    height:70px;
}

.logo h2{
    color:white;
}

.nav-links{
    display:flex;
    list-style:none;
}

.nav-links li{
    margin-left:30px;
}

.nav-links a{
    text-decoration:none;
    color:white;
    font-size:18px;
    font-weight:bold;
    transition:.3s;
}

.nav-links a:hover{
    color:yellow;
}

/* =========================
   Hero Section
========================= */

.hero{
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    background:linear-gradient(to right,#0d6efd,#4facfe);
    color:white;
    padding:20px;
}

.hero-content h1{
    font-size:55px;
    margin-bottom:20px;
}

.hero-content p{
    font-size:20px;
    margin-bottom:30px;
}

.btn{
    display:inline-block;
    text-decoration:none;
    background:white;
    color:#0d6efd;
    padding:12px 30px;
    border-radius:30px;
    font-weight:bold;
    transition:.3s;
}

.btn:hover{
    background:#ffd43b;
    color:black;
}

/* =========================
   About Section
========================= */

.about{
    padding:100px 10%;
    background:white;
    text-align:center;
}

.about h2{
    font-size:40px;
    color:#0d6efd;
    margin-bottom:20px;
}

.about p{
    font-size:18px;
    color:#555;
    max-width:700px;
    margin:auto;
    line-height:1.8;
}

/* =========================
   Responsive
========================= */

@media(max-width:768px){

    .navbar{
        flex-direction:column;
        height:auto;
        padding:20px;
    }

    .nav-links{
        margin-top:15px;
    }

    .nav-links li{
        margin:0 15px;
    }

    .hero-content h1{
        font-size:38px;
    }

    .hero-content p{
        font-size:18px;
    }

}