body{
    margin:0;
    padding:0;
    font-family:Arial,sans-serif;
    color:#111827;
    background:#f8fafc;
    line-height:1.7;
}

.ok-container{
    width:100%;
    max-width:1100px;
    margin:auto;
    padding:0 20px;
}

.ok-section{
    padding:70px 0;
}

.ok-card{
    background:#fff;
    border-radius:14px;
    padding:25px;
    box-shadow:0 2px 10px rgba(0,0,0,.05);
}

.ok-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:20px;
}

.ok-btn{
    display:inline-block;
    padding:14px 24px;
    background:#22c55e;
    color:#000;
    text-decoration:none;
    border-radius:10px;
    font-weight:bold;
}

.ok-btn:hover{
    opacity:.9;
}

.ok-title{
    font-size:42px;
    line-height:1.2;
    margin-bottom:20px;
}

.ok-subtitle{
    font-size:18px;
    color:#4b5563;
}

.ok-heading{
    font-size:32px;
    margin-bottom:30px;
}

.ok-center{
    text-align:center;
}

.ok-trust{
    font-size:15px;
    color:#6b7280;
}

.ok-footer{
    background:#0f172a;
    color:#fff;
    padding:50px 0;
    margin-top:60px;
}

.ok-footer a{
    color:#fff;
    text-decoration:none;
}

.ok-sticky-wa{
    position:fixed;
    bottom:20px;
    right:20px;
    z-index:999;
}

@media(max-width:768px){

    .ok-title{
        font-size:32px;
    }

    .ok-heading{
        font-size:26px;
    }

}