.fb-promo-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);display:none;justify-content:center;align-items:center;z-index:10000;font-family:'Inter',sans-serif}.fb-promo-content{background:#fff;padding:30px;border-radius:12px;text-align:center;box-shadow:0 8px 20px rgba(0,0,0,.4);max-width:90%;width:450px;position:relative;animation:fadeInScale .3s ease-out forwards;overflow:hidden}.fb-promo-content h2{font-size:1.8em;color:#333;margin-bottom:15px;font-weight:700}.fb-promo-content p{font-size:1.1em;color:#555;margin-bottom:25px;line-height:1.5}#applyFbPromoCoupon{background:linear-gradient(to right,#4267b2,#3b5998);color:#fff;padding:12px 25px;border:none;border-radius:8px;cursor:pointer;font-size:1.2em;font-weight:600;transition:all .3s ease;box-shadow:0 4px 10px rgba(0,0,0,.2)}#applyFbPromoCoupon:hover{background:linear-gradient(to right,#3b5998,#4267b2);transform:translateY(-2px);box-shadow:0 6px 12px rgba(0,0,0,.3)}.fb-promo-close{position:absolute;top:10px;right:15px;font-size:2em;color:#aaa;cursor:pointer;transition:color .2s ease}.fb-promo-close:hover{color:#666}.fb-discounted{color:#2ecc71;font-weight:700;margin-left:10px}@keyframes fadeInScale{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@media (max-width:768px){.fb-promo-content{padding:20px}.fb-promo-content h2{font-size:1.5em}.fb-promo-content p{font-size:1em}#applyFbPromoCoupon{padding:10px 20px;font-size:1em}}