.not-found-page{background:linear-gradient(135deg,#0a0a0a 0%,#1a1a1a 100%);justify-content:center;align-items:center;height:100vh;min-height:100vh;display:flex;position:relative;overflow:hidden}.not-found-container{justify-content:center;align-items:center;width:100%;height:100vh;display:flex;position:relative}.not-found-bg{z-index:0;position:absolute;inset:0;overflow:hidden}.not-found-bg .gradient-sphere{filter:blur(80px);opacity:.3;border-radius:50%;animation:20s ease-in-out infinite floatBg;position:absolute}.not-found-bg .sphere-1{background:radial-gradient(circle,#f59e0b66,#0000);width:500px;height:500px;animation-delay:0s;top:-250px;left:-250px}.not-found-bg .sphere-2{background:radial-gradient(circle,#8b5cf64d,#0000);width:600px;height:600px;animation-delay:-10s;bottom:-300px;right:-200px}.not-found-bg .sphere-3{opacity:.15;background:radial-gradient(circle,#3b82f64d,#0000);width:400px;height:400px;animation-delay:-5s;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes floatBg{0%,to{transform:translate(0)scale(1)}33%{transform:translate(30px,-30px)scale(1.05)}66%{transform:translate(-20px,20px)scale(.95)}}.not-found-content{z-index:2;text-align:center;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0009;border:1px solid #f59e0b33;border-radius:40px;max-width:600px;margin:20px;padding:40px 32px;animation:.6s fadeInUp;position:relative}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.not-found-code{justify-content:center;align-items:center;gap:20px;margin-bottom:24px;display:flex}.code-digit{background:linear-gradient(135deg, #fff 0%, var(--accent) 100%);-webkit-text-fill-color:transparent;text-shadow:0 0 30px #f59e0b4d;-webkit-background-clip:text;background-clip:text;font-size:5rem;font-weight:800}.code-icon{filter:drop-shadow(0 0 15px #f59e0b80);font-size:4rem;animation:2s ease-in-out infinite iconBounce}@keyframes iconBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.not-found-title{color:var(--text-primary);margin-bottom:12px;font-size:1.8rem;font-weight:700}.not-found-description{color:var(--text-secondary);max-width:450px;margin-bottom:28px;margin-left:auto;margin-right:auto;font-size:.9rem;line-height:1.5}.not-found-buttons{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.btn-primary,.btn-secondary{border-radius:50px;align-items:center;gap:10px;padding:12px 28px;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .3s;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--accent), var(--accent-hover));color:#fff;box-shadow:0 4px 15px #f59e0b4d}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 25px #f59e0b66}.btn-secondary{color:var(--text-primary);background:#ffffff1a;border:1px solid #fff3}.btn-secondary:hover{border-color:var(--accent);background:#f59e0b26;transform:translateY(-3px)}@media (max-width:768px){.not-found-content{border-radius:30px;max-width:500px;margin:16px;padding:30px 24px}.code-digit{font-size:3.5rem}.code-icon{font-size:3rem}.not-found-title{font-size:1.4rem}.not-found-description{margin-bottom:24px;font-size:.8rem}.btn-primary,.btn-secondary{padding:10px 20px;font-size:.85rem}}@media (max-width:550px){.not-found-content{padding:24px 20px}.not-found-buttons{flex-direction:column;width:100%}.btn-primary,.btn-secondary{justify-content:center;width:100%}.not-found-code{gap:12px;margin-bottom:20px}.code-digit{font-size:2.8rem}.code-icon{font-size:2.2rem}.not-found-title{font-size:1.2rem}}@media (max-width:480px){.not-found-content{padding:20px 16px}.code-digit{font-size:2.5rem}.code-icon{font-size:2rem}}@media (max-width:360px){.code-digit{font-size:2rem}.code-icon{font-size:1.6rem}.not-found-title{font-size:1rem}.not-found-description{font-size:.7rem}}@media (prefers-reduced-motion:reduce){.not-found-bg .gradient-sphere,.code-icon,.btn-primary,.btn-secondary{transition:none;animation:none}.btn-primary:hover,.btn-secondary:hover{transform:none}}