*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Noto Sans Bengali',sans-serif;background:linear-gradient(135deg,#020617 0%,#111827 100%);color:#e2e8f0;line-height:1.8;min-height:100vh;overflow-x:hidden}.error-section{min-height:calc(100vh - 200px);display:flex;align-items:center;justify-content:center;padding:100px 0;position:relative;overflow:hidden}.error-section::before{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:800px;height:800px;background:radial-gradient(circle,rgba(139,92,246,0.15) 0%,transparent 70%);animation:pulse 4s ease-in-out infinite}@keyframes pulse{0%,100%{transform:translate(-50%,-50%) scale(1);opacity:0.5}50%{transform:translate(-50%,-50%) scale(1.1);opacity:0.8}}.error-content{position:relative;z-index:2;text-align:center}.error-code{font-size:12rem;font-weight:700;color:#8b5cf6;text-shadow:0 0 40px rgba(139,92,246,0.8),0 0 80px rgba(139,92,246,0.6),0 0 120px rgba(139,92,246,0.4);line-height:1;margin-bottom:30px;animation:glow 2s ease-in-out infinite alternate}@keyframes glow{from{text-shadow:0 0 40px rgba(139,92,246,0.8),0 0 80px rgba(139,92,246,0.6),0 0 120px rgba(139,92,246,0.4)}to{text-shadow:0 0 50px rgba(139,92,246,1),0 0 100px rgba(139,92,246,0.8),0 0 150px rgba(139,92,246,0.6)}}.error-title{font-size:2.5rem;font-weight:600;color:#8b5cf6;margin-bottom:20px}.error-message{font-size:1.2rem;color:var(--generated-muted);margin-bottom:40px;max-width:600px;margin-left:auto;margin-right:auto}.btn-primary{background:linear-gradient(135deg,#8b5cf6 0%,#6366f1 100%);border:2px solid #8b5cf6;color:var(--text-light);padding:15px 50px;font-size:1.2rem;font-weight:600;border-radius:50px;box-shadow:0 0 20px rgba(139,92,246,0.5);transition:all 0.3s ease;text-decoration:none;display:inline-block;margin:10px}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 30px rgba(139,92,246,0.8);background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);color:var(--text-light)}.btn-secondary{background:transparent;border:2px solid #6366f1;color:#6366f1;padding:15px 50px;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:rgba(99,102,241,0.1);border-color:#8b5cf6;color:#8b5cf6;box-shadow:0 0 20px rgba(99,102,241,0.5)}.quick-links{margin-top:60px}.quick-link-card{background:rgba(17,24,39,0.8);border:2px solid #6366f1;border-radius:15px;padding:25px;margin:15px;transition:all 0.3s ease;text-decoration:none;display:block;box-shadow:0 0 20px rgba(99,102,241,0.2)}.quick-link-card:hover{transform:translateY(-5px);border-color:#8b5cf6;box-shadow:0 0 30px rgba(139,92,246,0.5)}.quick-link-icon{font-size:2rem;color:#8b5cf6;margin-bottom:15px}.quick-link-title{font-size:1.2rem;font-weight:600;color:#8b5cf6;margin-bottom:10px}.quick-link-desc{font-size:0.95rem;color:var(--generated-muted)}.floating-shapes{position:absolute;width:100%;height:100%;top:0;left:0;pointer-events:none}.shape{position:absolute;border:2px solid rgba(139,92,246,0.3);border-radius:50%;animation:float 20s infinite ease-in-out}.shape1{width:100px;height:100px;top:10%;left:10%;animation-delay:0s}.shape2{width:150px;height:150px;top:60%;right:15%;animation-delay:2s}.shape3{width:80px;height:80px;bottom:20%;left:20%;animation-delay:4s}@keyframes float{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-30px) rotate(180deg)}}@media (max-width:768px){.error-code{font-size:8rem}.error-title{font-size:1.8rem}.error-message{font-size:1rem}.btn-primary,.btn-secondary{padding:12px 30px;font-size:1rem}}