.not-found-page{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:#f5f5f5;font-family:Montserrat,sans-serif;padding:20px}.not-found-page-container{max-width:600px;padding:40px;background-color:#fff;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.08);text-align:center}.error-code{font-size:8rem;font-weight:700;line-height:1}.error-code,h1{margin-bottom:20px}h1{color:#333}.not-found-page h1{text-align:left}.back-button{display:inline-block;color:#fff;padding:15px 40px;font-size:1.1rem;font-weight:600;border-radius:50px;text-decoration:none;transition:all .3s ease;box-shadow:0 4px 8px rgba(0,0,0,.1)}.back-button:hover{transform:translateY(-3px);box-shadow:0 6px 12px rgba(0,0,0,.15)}@media(max-width:768px){.not-found-container{padding:30px}.error-code{font-size:6rem}.back-button,p{font-size:1rem}.back-button{padding:12px 30px}}