.not-found-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background-color:#0c0c0c;color:#ffffff;padding:20px;text-align:center;overflow:hidden;position:relative}.particles{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;pointer-events:none;opacity:.3}.not-found-content{position:relative;z-index:2;max-width:600px}.error-code{font-size:clamp(8rem,20vw,15rem);font-weight:900;margin:0;line-height:1;background:linear-gradient(135deg,#e31e24,#ff4d4d 50%,#e31e24);-webkit-background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 20px rgba(227,30,36,.4));letter-spacing:-5px}.error-title{font-size:2.5rem;margin-top:1rem;font-weight:700;color:#fff}.error-message{font-size:1.1rem;color:#a0a0a0;margin:1.5rem 0 3rem;line-height:1.6}.back-link{display:inline-flex;align-items:center;gap:12px;padding:16px 36px;background:#e31e24;color:#fff;text-decoration:none;border-radius:50px;font-weight:700;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 10px 30px rgba(227,30,36,.3)}.back-link:hover{transform:translateY(-5px);background:#ff2b32;box-shadow:0 15px 40px rgba(227,30,36,.5)}.back-link svg{transition:transform .3s ease}.back-link:hover svg{transform:translateX(-5px)}.energy-line{position:absolute;stroke:#e31e24;stroke-width:2;fill:none;opacity:.2}.line-1{top:10%;left:-5%;width:300px;height:100px;transform:rotate(15deg)}.line-2{bottom:15%;right:-5%;width:400px;height:150px;transform:rotate(-20deg)}@media (max-width:768px){.error-title{font-size:1.8rem}.error-message{font-size:1rem}}