.promo-popup{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);z-index:1000;justify-content:center;align-items:center}.promo-popup.show{display:flex;animation:fadeIn .5s ease-in-out}.promo-popup-content{background-color:#f5f5f5;padding:2rem;border-radius:10px;position:relative;max-width:400px;width:90%;text-align:center;box-shadow:0 4px 6px rgba(0,0,0,.1)}.close-popup{position:absolute;top:10px;right:10px;background:0 0;border:none;font-size:24px;cursor:pointer;color:#666}.promo-popup h3{color:#3ecf8e;font-size:24px;margin-bottom:1rem}.promo-code{background-color:#f5f5f5;padding:1rem;border-radius:5px;margin:1.5rem 0;display:flex;align-items:center;justify-content:center;gap:10px}.promo-code code{background-color:#eaeaea;padding:.5rem 1rem;border-radius:4px;font-family:monospace;font-size:16px;border:1px dashed #3ecf8e}.copy-code{background-color:#3ecf8e;color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer;transition:background-color .3s}.copy-code:hover{background-color:#1976d2}.countdown{margin:1.5rem 0}.timer{font-size:24px;font-weight:700;color:#3ecf8e}@keyframes fadeIn{from{opacity:0}to{opacity:1}}