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

body{
min-height:100vh;
background:
radial-gradient(circle at top, #00cfff33, transparent 40%),
#050b15;
color:white;
display:flex;
justify-content:center;
align-items:center;
padding:30px;
}

.container{
width:100%;
max-width:800px;
background:#0d1624;
border:2px solid #00d9ff;
border-radius:25px;
padding:40px;
box-shadow:
0 0 20px #00d9ff,
0 0 60px #00d9ff33;
text-align:center;

}

.logo{
font-size:clamp(2rem, 8vw, 4rem);
font-weight:bold;
text-align:center;
color:#00e5ff;
text-shadow:
0 0 10px #00e5ff,
0 0 25px #00e5ff;
margin-bottom:10px;
}

.subtitle{
color:#cceeff;
margin-bottom:40px;
font-size:1.2rem;
color:#033012;
}

.list{
    display: flex;
    flex-direction: column;
    text-align: left;
}

.download-btn{
display:inline-block;
max-width:100%;
overflow-wrap:anywhere;
text-align:center;
padding:15px 40px;
text-decoration:none;
color:white;
background:#008cff;
border: 2px solid #0d1624;
border-radius:12px;
font-size:clamp(0.9rem, 2.5vw, 1.1rem);
font-weight:bold;
transition:.3s;
box-shadow:0 0 0 #00cfff;
}

.download-btn:hover{
transform:translateY(-3px);
box-shadow:
0 0 20px #00e5ff,
0 0 40px #00e5ff;
}

.info-box{
margin-top:40px;
}

.footer{
margin-top:40px;
display:inline-flex;
flex-direction:column;
}

.footer p{
color:#9bb6d6;
font-size:.9rem;
margin-bottom:15px;
}

.footer-buttons{
display:flex;
justify-content:center;
gap:20px;
flex-wrap:wrap;
}

.donate-btn, .mail-btn{
padding:12px 30px;
border: 2px solid #0d1624;
border-radius:10px;
background:#00d9ff;
color:#021018;
font-weight:bold;
cursor:pointer;
transition:.3s;
}

.donate-btn:hover{
transform:scale(1.05);
box-shadow:
0 0 15px #00d9ff,
0 0 35px #00d9ff;
}

.mail-btn:hover{
transform:scale(1.05);
box-shadow:
0 0 15px #00d9ff,
0 0 35px #00d9ff;
}

.dwnl{
    display: inline-block;
    padding: 15px 40px;
}





.tutorial-section {
    margin: 60px auto;
    max-width: 1000px;
}

.section-title {
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 3px;
    color: #20f5d0;
}

.video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border: 1px solid rgba(32, 245, 208, 0.5);
    border-radius: 14px;
    background: #050b12;
    box-shadow:
        0 0 30px rgba(32, 245, 208, 0.12),
        0 0 80px rgba(32, 245, 208, 0.05);
}

.video-caption {
    margin-top: 14px;
    text-align: center;
    color: #7d8b9b;
    font-size: 14px;
}

.video-container iframe {
    height: 100%;
    display: block;
    border: 0;
}

.video-container iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    border: 0;
}

.github-link {
margin-top: 20px;
}

.github-link a {
color: #00d9ff;
text-decoration: none;
font-weight: bold;
transition: 0.3s;
}

.github-link a:hover {
color: #66ecff;
text-shadow: 0 0 10px #00d9ff;
}