.popup {display:none;position:fixed;inset:0;background:rgba(0,0,0,0.55);z-index:9999;align-items:center;justify-content:center;font-family:'Open Sans',sans-serif;}
.popup-content{background:#fff;width:90%;max-width:420px;padding:30px;border-radius:18px;text-align:center;box-shadow:0 4px 24px rgba(0,0,0,0.25);position:relative;animation:fadeIn .3s ease;}
.popup-content h2{color:#222;margin-bottom:10px;}
.popup-content p{color:#444;margin-bottom:20px;}
.popup-btn{background:#0066cc;color:#fff;padding:10px 20px;border-radius:6px;text-decoration:none;font-weight:600;}
.popup-btn:hover{background:#004c99;}
.popup-close{position:absolute;top:12px;right:14px;font-size:24px;cursor:pointer;color:#777;}
@keyframes fadeIn{from{opacity:0;transform:translateY(15px);}to{opacity:1;transform:translateY(0);}}