*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Noto Sans Bengali',sans-serif;background-color:#020617;color:#e5e7eb;line-height:1.8;overflow-x:hidden}.error-container{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:60px 0;position:relative}.error-background{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;z-index:0}.error-background::before{content:'404';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:30rem;font-weight:900;color:rgba(251,191,36,0.05);z-index:0;line-height:1}.floating-icon{position:absolute;color:rgba(251,191,36,0.1);animation:float 6s ease-in-out infinite}.floating-icon:nth-child(1){top:10%;left:10%;font-size:3rem;animation-delay:0s}.floating-icon:nth-child(2){top:20%;right:15%;font-size:2.5rem;animation-delay:1s}.floating-icon:nth-child(3){bottom:15%;left:15%;font-size:2rem;animation-delay:2s}.floating-icon:nth-child(4){bottom:25%;right:10%;font-size:3.5rem;animation-delay:3s}@keyframes float{0%,100%{transform:translateY(0px)}50%{transform:translateY(-30px)}}.error-content{position:relative;z-index:1;text-align:center;max-width:800px;padding:60px 40px;background:linear-gradient(135deg,rgba(30,41,59,0.9) 0%,rgba(15,23,42,0.9) 100%);border:3px solid #fbbf24;border-radius:30px;box-shadow:0 20px 60px rgba(251,191,36,0.3)}.error-code{font-size:10rem;font-weight:900;color:#fbbf24;line-height:1;margin-bottom:20px;text-shadow:0 0 30px rgba(251,191,36,0.5);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}.error-title{font-size:3rem;font-weight:700;color:#facc15;margin-bottom:20px}.error-message{font-size:1.3rem;color:#e5e7eb;margin-bottom:40px;line-height:1.8}.error-icon{font-size:5rem;color:#fbbf24;margin-bottom:30px;animation:bounce 2s ease-in-out infinite}@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}.btn-home{background:linear-gradient(135deg,#fbbf24 0%,#facc15 100%);color:#020617;border:none;padding:18px 50px;font-size:1.3rem;font-weight:700;border-radius:50px;transition:all 0.3s ease;text-decoration:none;display:inline-block;margin:10px}.btn-home:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(251,191,36,0.5);color:#020617}.btn-secondary{background:transparent;color:#fbbf24;border:3px solid #fbbf24;padding:15px 40px;font-size:1.2rem;font-weight:600;border-radius:50px;transition:all 0.3s ease;text-decoration:none;display:inline-block;margin:10px}.btn-secondary:hover{background:#fbbf24;color:#020617;transform:translateY(-5px);box-shadow:0 10px 30px rgba(251,191,36,0.4)}.quick-links{margin-top:50px;padding-top:40px;border-top:2px solid rgba(251,191,36,0.3)}.quick-links h3{color:#fbbf24;font-size:1.8rem;margin-bottom:25px}.quick-link-item{display:inline-block;margin:10px 15px}.quick-link-item a{color:#e5e7eb;text-decoration:none;font-size:1.1rem;transition:all 0.3s ease;padding:10px 20px;border-radius:10px;display:inline-block}.quick-link-item a:hover{color:#fbbf24;background:rgba(251,191,36,0.1);transform:translateX(5px)}.quick-link-item i{margin-right:8px}.copyright{text-align:center;padding-top:30px;margin-top:30px;border-top:1px solid #334155;color:var(--generated-muted)}@media (max-width:768px){.error-code{font-size:6rem}.error-title{font-size:2rem}.error-message{font-size:1.1rem}.error-content{padding:40px 20px}.error-background::before{font-size:15rem}.btn-home,.btn-secondary{display:block;margin:10px auto;width:90%}}