body{
    margin:0;
    height:100vh;
    background:#000;
    font-family:'Poppins', sans-serif;
    display:flex;
    justify-content:center;
    align-items:center;
    color:white;
}

.container{
    text-align:center;
    max-width:600px;
    padding:40px;
}

h1{
    font-size:38px;
    font-weight:600;
    letter-spacing:1px;
    margin-bottom:10px;
}

.subtitle{
    color:#bbbbbb;
    font-size:18px;
}

.loading{
    margin:40px auto;
    width:60px;
    height:60px;
    border:5px solid #333;
    border-top:5px solid #00c853;
    border-radius:50%;
    animation:spin 1s linear infinite;
}

@keyframes spin{
    0%{transform:rotate(0deg);}
    100%{transform:rotate(360deg);}
}

.tagline{
    margin-top:10px;
    color:#8a8a8a;
    font-size:16px;
}

.whatsapp-btn{

    display:inline-block;
    margin-top:35px;
    padding:14px 30px;
    background:#00c853;
    color:white;
    text-decoration:none;
    border-radius:30px;
    font-weight:500;
    transition:0.3s;
}

.whatsapp-btn:hover{
    background:#00a843;
}