*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Noto Sans Bengali',sans-serif;background:#0f172a;color:#e2e8f0;line-height:1.8;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(20,184,166,0.15) 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:#14b8a6;text-shadow:0 0 50px rgba(20,184,166,0.5);line-height:1;margin-bottom:2rem;animation:glitch 3s infinite}@keyframes glitch{0%,100%{text-shadow:0 0 50px rgba(20,184,166,0.5)}25%{text-shadow:-5px 0 50px rgba(20,184,166,0.7),5px 0 50px rgba(167,243,208,0.7)}50%{text-shadow:5px 0 50px rgba(20,184,166,0.7),-5px 0 50px rgba(167,243,208,0.7)}75%{text-shadow:0 0 50px rgba(20,184,166,0.5)}}.error-title{font-size:2.5rem;font-weight:600;color:#a7f3d0;margin-bottom:1.5rem}.error-message{font-size:1.2rem;color:var(--generated-muted);margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto}.glass-card{background:rgba(255,255,255,0.05);backdrop-filter:blur(10px);border:1px solid rgba(167,243,208,0.2);border-radius:20px;padding:3rem;margin:2rem auto;max-width:800px}.btn-home{background:linear-gradient(135deg,#14b8a6 0%,#0d9488 100%);color:var(--text-light);border:none;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:0.5rem}.btn-home:hover{transform:translateY(-3px);box-shadow:0 15px 40px rgba(20,184,166,0.4);color:var(--text-light)}.btn-secondary{background:rgba(255,255,255,0.1);color:#a7f3d0;border:2px solid #14b8a6;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:0.5rem}.btn-secondary:hover{background:rgba(20,184,166,0.2);transform:translateY(-3px);color:#14b8a6}.quick-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:3rem}.quick-link-card{background:rgba(255,255,255,0.03);border:1px solid rgba(167,243,208,0.2);border-radius:15px;padding:2rem;text-align:center;transition:all 0.3s ease;text-decoration:none;color:var(--generated-muted)}.quick-link-card:hover{border-color:#14b8a6;transform:translateY(-5px);box-shadow:0 10px 30px rgba(20,184,166,0.3);color:#14b8a6}.quick-link-icon{font-size:2.5rem;color:#14b8a6;margin-bottom:1rem}.floating-shapes{position:absolute;width:100%;height:100%;top:0;left:0;pointer-events:none}.shape{position:absolute;border:2px solid rgba(20,184,166,0.3);border-radius:50%;animation:float 20s infinite ease-in-out}.shape:nth-child(1){width:100px;height:100px;top:10%;left:10%;animation-delay:0s}.shape:nth-child(2){width:150px;height:150px;top:60%;right:10%;animation-delay:2s}.shape:nth-child(3){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:2rem}.error-message{font-size:1rem}.quick-links{grid-template-columns:1fr}}