@font-face {
    font-family: 'harlem';
    src: url(font/Harlem\ Normal\ Regular.otf);
}
* {
    box-sizing: border-box;
}
a {
    text-decoration: none;
}
body {
    margin: 0 auto;
    padding: 0;    
    text-align: center;
    max-width: 800px;
    width: 100%;
    background: linear-gradient(90deg, #8E2DE2, #FF6A00);
}
header {
    display: flex;
    justify-content: center;
    position: relative;   
}
header .logo {
    position: absolute;
    width: 600px;
    height: 600px;
}
.dunk-img {
    width: 300px;
    bottom: 17px;
    position: relative;
    right: -3px;
}
.pre-heading {
    font-style: italic;
    padding: 30px;
    font-weight: 300;   
}
.main-title {
    font-size: 6rem;
    font-family: 'harlem';
    letter-spacing: 14px;  
    color: #f1c40f;
    text-shadow: -3px 6px 10px black;
    top: -80px;
    position: relative;
    font-weight: 600;
}
.main-tagline {
    font-size: 20px;
    color: #fafafa;
    text-shadow: -1px 2px 5px #000;
    margin-top: -70px;
    position: relative;
    font-family: "Open Sans", sans-serif;
    
} 
.btn-style {
    padding: 10px 40px;
    border: 2px solid black;
    background: #3e003c;
    font-size: 1.2rem;  
    border-radius: 10px;
    color: #f1c40f;
    font-family: "Open Sans", sans-serif;
    text-transform: capitalize;
    margin-top: 40px;
    font-weight: 400;
    cursor: pointer;  
}
.btn-style:hover {
    background-color: #7300d8;
    color: #f1c40f;
    font-weight: 400;
    font-size: 1.3rem;
}
.footer {
    margin-top: 30px;
    font-size: small;
}
.source {
    color: #3e003c;
}

/* ===== Mobile ===== */
@media (max-width: 600px) {
  body {
    background: linear-gradient(to bottom, #FF6A00, #8E2DE2);
    padding: 10px;
    min-height: 100vh;
  }

  header .logo {
    width: 300px;
    height: 300px; 
  }

  .dunk-img {
    width: 200px;
    bottom: 0;
    right: 0;
    margin-top: -50px;
  }

  .main-title {
    font-size: 3.5rem;
    letter-spacing: 6px;
    top: -40px;
  }

  .main-tagline {
    font-size: 16px;
    margin-top: -30px;
    padding: 0 15px;
    text-align: center;
    margin-bottom: 50px;
  }

  .btn-style {
    padding: 8px 20px;
    font-size: 0.9rem;
    margin-top: 30px;
  }

  .footer {
    margin-top: 40px;
    font-size: 0.8rem;
  }
}