.not-found-container{background:linear-gradient(135deg,#0a0a0a 0%,#1a1a2e 50%,#16213e 100%);justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex;position:relative;overflow:hidden}.particles{pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0;overflow:hidden}.particle{background:linear-gradient(135deg, var(--color-primary), var(--color-secondary));opacity:.3;border-radius:50%;width:6px;height:6px;animation:20s ease-in-out infinite float-particle;position:absolute}.particle:first-child{animation-delay:0s;left:10%}.particle:nth-child(2){width:8px;height:8px;animation-delay:2s;left:20%}.particle:nth-child(3){animation-delay:4s;left:30%}.particle:nth-child(4){width:4px;height:4px;animation-delay:1s;left:40%}.particle:nth-child(5){animation-delay:3s;left:50%}.particle:nth-child(6){width:10px;height:10px;animation-delay:5s;left:60%}.particle:nth-child(7){animation-delay:2.5s;left:70%}.particle:nth-child(8){width:5px;height:5px;animation-delay:4.5s;left:80%}.particle:nth-child(9){animation-delay:1.5s;left:90%}.particle:nth-child(10){width:7px;height:7px;animation-delay:3.5s;left:15%}.particle:nth-child(11){animation-delay:5.5s;left:25%}.particle:nth-child(12){width:9px;height:9px;animation-delay:.5s;left:35%}.particle:nth-child(13){animation-delay:2.5s;left:45%}.particle:nth-child(14){width:6px;height:6px;animation-delay:4.5s;left:55%}.particle:nth-child(15){animation-delay:1.5s;left:65%}.particle:nth-child(16){width:8px;height:8px;animation-delay:3.5s;left:75%}.particle:nth-child(17){animation-delay:5.5s;left:85%}.particle:nth-child(18){width:5px;height:5px;animation-delay:.5s;left:95%}.particle:nth-child(19){animation-delay:2.5s;left:5%}.particle:nth-child(20){width:12px;height:12px;animation-delay:6s;left:50%}@keyframes float-particle{0%,to{opacity:.3;transform:translate(0)scale(1)}25%{opacity:.6;transform:translate(100px,-50px)scale(1.5)}50%{opacity:.3;transform:translate(50px,-100px)scale(1)}75%{opacity:.5;transform:translate(-50px,-50px)scale(1.2)}}.not-found-content{z-index:1;text-align:center;width:100%;max-width:700px;animation:.8s ease-out fade-in-up;position:relative}@keyframes fade-in-up{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.not-found-number{justify-content:center;align-items:center;gap:.5rem;margin-bottom:1.5rem;font-size:8rem;font-weight:800;line-height:1;display:flex}.digit{background:linear-gradient(135deg, #fff 0%, var(--color-primary-light) 100%);-webkit-text-fill-color:transparent;text-shadow:0 0 40px #3498db33;-webkit-background-clip:text;background-clip:text;position:relative}.zero-wrapper{display:inline-block;position:relative}.zero{animation:3s ease-in-out infinite pulse-zero}@keyframes pulse-zero{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.zero-ring{border:3px solid #3498db1a;border-radius:50%;width:120px;height:120px;animation:20s linear infinite spin-ring;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes spin-ring{0%{transform:translate(-50%,-50%)rotate(0)}to{transform:translate(-50%,-50%)rotate(360deg)}}.divider-line{justify-content:center;align-items:center;gap:1rem;margin:1.5rem 0;display:flex}.line{background:linear-gradient(90deg, transparent, var(--color-secondary), transparent);flex:1;max-width:100px;height:1px}.dot{color:var(--color-secondary);font-size:.8rem;animation:8s linear infinite spin-dot}@keyframes spin-dot{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.not-found-title{color:#fff;background:linear-gradient(135deg, #fff, var(--color-secondary-light));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:1rem;font-size:2.5rem;font-weight:700}.not-found-description{color:#ffffffb3;margin-bottom:2rem;font-size:1.1rem;font-weight:300;line-height:1.8}.action-buttons{flex-wrap:wrap;justify-content:center;gap:1rem;margin-bottom:2.5rem;display:flex}.btn-primary{border-radius:var(--border-radius-full);transition:all var(--transition-base);cursor:pointer;background:linear-gradient(135deg, var(--color-primary), var(--color-primary-light));color:#fff;border:none;align-items:center;gap:.5rem;padding:.8rem 2rem;font-size:.95rem;font-weight:600;text-decoration:none;display:inline-flex;box-shadow:0 4px 20px #2d6a4f4d}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 30px #2d6a4f66}.quick-links{margin-top:2.5rem}.quick-label{text-transform:uppercase;letter-spacing:2px;color:#ffffff4d;margin-bottom:1rem;font-size:.75rem;display:block}.links-grid{flex-wrap:wrap;justify-content:center;gap:1.5rem;display:flex}.quick-link{color:#ffffff80;transition:all var(--transition-fast);border-radius:var(--border-radius-sm);align-items:center;gap:.4rem;padding:.3rem .8rem;font-size:.85rem;text-decoration:none;display:inline-flex}.quick-link:hover{color:#fff;background:#ffffff0d}.illustration{opacity:.05;width:300px;height:300px;position:absolute;bottom:-100px;right:-100px}.illustration-bg{fill:#ffffff05}.illustration-ring{fill:none;stroke:var(--color-primary);stroke-width:2px;opacity:.3}.illustration-path{fill:none;stroke:var(--color-secondary);stroke-width:3px;stroke-linecap:round}.illustration-dot{fill:var(--color-primary-light);opacity:.5}.illustration-smile{fill:none;stroke:var(--color-secondary-light);stroke-width:3px;stroke-linecap:round}@media (max-width:768px){.not-found-number{font-size:5rem}.zero-ring{width:80px;height:80px}.not-found-title{font-size:1.8rem}.not-found-description{font-size:.95rem}.action-buttons{flex-direction:column;align-items:center}.btn-primary{justify-content:center;width:100%}.links-grid{gap:.8rem}.illustration{display:none}}@media (max-width:480px){.not-found-number{gap:.2rem;font-size:3.5rem}.zero-ring{width:60px;height:60px}.not-found-title{font-size:1.5rem}.not-found-description br{display:none}}