:root{
    --bg:#020617;
    --card:#020a1f;
    --border:#1e293b;
    --text:#e5e7eb;
    --muted:#94a3b8;
    --green:#22c55e;
    --blue:#38bdf8;
}

*{box-sizing:border-box}

body{
    margin:0;
    font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu;
    background:var(--bg);
    color:var(--text);
}

.container{
    max-width:540px;
    margin:auto;
    padding:20px 16px 40px;
}

.title{
    text-align:center;
    font-size:26px;
    font-weight:800;
    margin:16px 0 6px;
}

.subtitle{
    text-align:center;
    color:var(--muted);
    font-size:15px;
    margin-bottom:22px;
}

.card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:18px;
    padding:18px;
    margin-bottom:18px;
}

.card h2{
    margin:0 0 10px;
    font-size:20px;
}

.card p{
    margin:0;
    font-size:15px;
    color:var(--muted);
    line-height:1.6;
}

.steps{
    margin-top:8px;
    font-size:15px;
    color:var(--muted);
    line-height:1.7;
}

.video{
    border-radius:14px;
    overflow:hidden;
    margin-top:12px;
}

iframe{
    width:100%;
    height:280px;
    border:0;
}

.btn{
    display:block;
    width:100%;
    margin-top:16px;
    padding:18px;
    font-size:18px;
    font-weight:700;
    text-align:center;
    text-decoration:none;
    border-radius:14px;
}

.btn-whats{
    background:var(--green);
    color:#052e16;
}

.footer{
    text-align:center;
    margin-top:28px;
    font-size:13px;
    color:var(--muted);
}