body{
    margin:0;
    font-family:Arial;
    background:white;
    color:#222;
}

header{
    background:#007bff;
    padding:20px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    border-bottom:1px solid #ddd;
}

.logo{
    font-size:20px;
    font-weight:bold;
    color:white;
}

nav a{
    color:white;
    text-decoration:none;
    margin-left:15px;
    font-size:14px;
}

nav a:hover{
    font-weight: bolder;
}

.hero{
    position:relative;
    height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
    color:white;
}

.hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:rgba(0,0,0,0.45);
    z-index:1;
}

.hero-content{
    position:relative;
    z-index:2;
    text-align:center;
}

.hero h1{
    font-size:42px;
    margin-bottom:10px;
}

.hero p{
    max-width:600px;
    opacity:0.85;
}

#bgVideo{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    object-fit:cover;
    z-index:0;
}

.start-btn{
    margin-top:20px;
    padding:12px 18px;
    background:#007bff;
    color:white;
    border-radius:6px;
    text-decoration:none;
    display:inline-block;
}

.start-btn:hover{
    background:#0056b3;
}

.content{
    background:white;
    padding:80px 20px;
}

.features{
    display:flex;
    gap:15px;
    flex-wrap:wrap;
    justify-content:center;
    margin:30px 0;
}

.card{
    background:#fff;
    border:1px solid #ddd;
    border-radius:8px;
    padding:15px;
    width:220px;
    text-align:center;
    box-shadow:0 1px 3px rgba(0,0,0,0.05);
}

.workflow{
    text-align:center;
    margin-top:60px;
}

.workflow h2 {
    color: #007bff;
}

.changelog{
    max-width:700px;
    margin:60px auto;
}

.changelog h2{
    text-align:center;
    margin-bottom:30px;
}

.version{
    border-radius:8px;
    padding:15px;
    margin-bottom:12px;
}

.version.major{
    background:#656565;
    color:white;
    border:1px solid #000;
}

.version.major .version-number{
    font-size:20px;
}

.version.minor{
    background:#fff;
    border:1px solid #ddd;
}

.version.patch{
    background:#f9f9f9;
    border-left:3px solid #007bff;
    margin-left:25px;
    padding:10px 15px;
    font-size:13px;
}

.version-header{
    display:flex;
    justify-content:space-between;
    margin-bottom:8px;
}

.version-number{
    font-weight:bold;
}

.version-date{
    color:#666;
    font-size:12px;
}

.version-date2{
    color:white;
    font-size:12px;
}

.version ul{
    margin:0;
    padding-left:18px;
}

.version li{
    margin-bottom:4px;
}

footer{
    background:#fff;
    padding:15px;
    text-align:center;
    font-size:12px;
    border-top:1px solid #ddd;
    color:#666;
}

footer a{
    color:#333;
    text-decoration:none;
}

footer a:hover{
    text-decoration:underline;
}