body {
    margin:0;
    font-family: Arial, sans-serif;
    background:#0b0b0f;
    color:#eaeaea;
    line-height:1.6;
}

.container {
    max-width:900px;
    margin:auto;
    padding:30px 18px;
}

.header {
    text-align:center;
    padding:40px 15px 20px;
}

.header h1 {
    font-size:32px;
    margin-bottom:8px;
}

.header p {
    color:#aaa;
    font-size:14px;
}

.card {
    padding:22px;
    margin-top:22px;
    border-radius:14px;
    border:1px solid rgba(255,255,255,0.06);
    box-shadow:0 8px 25px rgba(0,0,0,0.4);
}

input[type=text] {
    width:100%;
    padding:14px;
    border-radius:10px;
    border:1px solid rgba(255,255,255,0.1);
    background:#0f0f15;
    color:#fff;
    margin-bottom:12px;
}

button {
    width:100%;
    padding:14px;
    background:linear-gradient(90deg,#ff0000,#cc0000);
    border:none;
    color:#fff;
    border-radius:10px;
    cursor:pointer;
    font-weight:bold;
}

button:hover {
    opacity:0.9;
}

.thumbnail-box {
    text-align:center;
    margin-top:18px;
}

.thumbnail-box img {
    max-width:100%;
    border-radius:12px;
    border:1px solid rgba(255,255,255,0.08);
    margin-top:10px;
}

.btn {
    display:inline-block;
    margin-top:12px;
    padding:10px 14px;
    background:#1e1e2a;
    color:#fff;
    text-decoration:none;
    border-radius:8px;
    border:1px solid rgba(255,255,255,0.08);
}

.btn:hover {
    background:#2a2a3a;
}

.section h2 {
    font-size:20px;
    margin-bottom:10px;
}

.section p, .section li {
    color:#bdbdbd;
    font-size:14px;
}

.footer {
    text-align:center;
    margin-top:60px;
    padding:20px;
    font-size:13px;
    color:#666;
    border-top:1px solid rgba(255,255,255,0.06);
}

@media(max-width:600px){
    .header h1 { font-size:24px; }
}