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

body{
    background:linear-gradient(to bottom, rgb(251,239,118), rgb(254,194,136));
    transition:0.4s;
}

/* DARK MODE */
.dark-mode{
    background:#111;
    color:white;
}

.dark-mode header,
.dark-mode footer{
    background:#000;
}

header{
    background:rgb(250,92,92);
    padding:20px 60px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    color:white;
    position:sticky;
    top:0;
    z-index:1000;
}

nav a{
    text-decoration:none;
    color:white;
    margin-left:25px;
    font-weight:500;
    cursor:pointer;
}

nav a:hover{
    color:rgb(251,239,118);
}

/* HERO */
.hero{
    text-align:center;
    padding:120px 20px;
    background:linear-gradient(135deg,rgb(250,92,92),rgb(253,138,107));
    color:white;
}

.btn{
    display:inline-block;
    margin-top:25px;
    padding:12px 30px;
    background:rgb(251,239,118);
    border-radius:30px;
    cursor:pointer;
    font-weight:600;
    transition:0.3s;
}

.btn:hover{
    background:white;
}

/* SECTIONS */
.section{
    padding:80px 10%;
}

.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:30px;
}

.card{
    background:white;
    padding:30px;
    border-radius:15px;
    box-shadow:0 10px 25px rgba(0,0,0,0.1);
    transition:0.3s;
}

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

.stats{
    background:rgb(254,194,136);
    padding:70px 10%;
    text-align:center;
}

footer{
    background:rgb(250,92,92);
    color:white;
    padding:40px 10%;
    text-align:center;
}

/* Scroll Top Button */
#topBtn{
    position:fixed;
    bottom:30px;
    right:30px;
    background:rgb(250,92,92);
    color:white;
    border:none;
    padding:12px 18px;
    border-radius:50%;
    cursor:pointer;
    display:none;
}

/* Modal */
.modal{
    display:none;
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,0.7);
    justify-content:center;
    align-items:center;
}

.modal-content{
    background:white;
    padding:40px;
    width:60%;
    border-radius:15px;
}

.close{
    float:right;
    cursor:pointer;
    font-weight:bold;
}
/* ================= MOBILE RESPONSIVE ================= */

@media (max-width: 768px){

    header{
        flex-direction:column;
        padding:15px;
        text-align:center;
    }

    nav{
        margin-top:10px;
    }

    nav a{
        margin:10px;
        display:inline-block;
    }

    .hero{
        padding:80px 15px;
    }

    .hero h2{
        font-size:26px;
    }

    .hero p{
        font-size:14px;
    }

    .section{
        padding:50px 20px;
    }

    .cards{
        grid-template-columns:1fr;
    }

    .stats{
        padding:50px 20px;
    }

    .modal-content{
        width:90%;
        padding:20px;
    }

    #topBtn{
        bottom:20px;
        right:20px;
    }

}