*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-main);color:var(--text-main);font-family:'Hind Siliguri','Inter',sans-serif;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}.nav-btns{display:flex;gap:8px;align-items:center}.error-wrapper{flex:1;display:flex;align-items:center;justify-content:center;padding:60px 16px;position:relative;overflow:hidden}.error-wrapper::before{content:'';position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:700px;height:700px;background:radial-gradient(ellipse,rgba(34,197,94,0.07) 0%,transparent 70%);pointer-events:none}.error-wrapper::after{content:'';position:absolute;bottom:-80px;right:-80px;width:400px;height:400px;background:radial-gradient(ellipse,rgba(146,64,14,0.06) 0%,transparent 70%);pointer-events:none}.error-container{max-width:720px;width:100%;text-align:center;position:relative;z-index:1}.error-number{font-family:'Inter',sans-serif;font-size:clamp(7rem,22vw,13rem);font-weight:900;line-height:1;letter-spacing:-6px;background:linear-gradient(135deg,var(--secondary) 0%,#86efac 40%,var(--secondary-dark,var(--secondary)) 80%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:relative;display:inline-block;filter:drop-shadow(0 0 40px rgba(34,197,94,0.25));animation:pulseGlow 3s ease-in-out infinite}@keyframes pulseGlow{0%,100%{filter:drop-shadow(0 0 30px rgba(34,197,94,0.2))}50%{filter:drop-shadow(0 0 60px rgba(34,197,94,0.45))}}.error-icon-wrap{margin:-20px 0 20px}.error-icon-wrap i{font-size:3.5rem;color:var(--primary);animation:bounce 2s ease-in-out infinite}@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}.error-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(34,197,94,0.1);border:1px solid rgba(34,197,94,0.25);border-radius:50px;padding:6px 16px;font-size:0.78rem;font-weight:600;color:var(--primary);letter-spacing:0.5px;margin-bottom:20px}.error-title{font-size:clamp(1.4rem,4vw,2.2rem);font-weight:800;color:var(--text-light);margin-bottom:14px;line-height:1.3}.error-title span{color:var(--primary)}.error-desc{font-size:1rem;color:#86efac;line-height:1.8;max-width:500px;margin:0 auto 36px}.btn-green{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#011a14;font-weight:700;font-size:0.95rem;padding:13px 28px;border-radius:10px;text-decoration:none;transition:all 0.2s;border:none}.btn-green:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(34,197,94,0.3);color:#011a14}.btn-outline{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--primary);font-weight:600;font-size:0.95rem;padding:13px 28px;border-radius:10px;text-decoration:none;transition:all 0.2s;border:1.5px solid var(--primary)}.btn-outline:hover{background:var(--primary-glow);transform:translateY(-2px);color:var(--primary)}.error-divider{display:flex;align-items:center;gap:16px;max-width:420px;margin:36px auto}.error-divider::before,.error-divider::after{content:'';flex:1;height:1px;background:var(--border)}.error-divider span{font-size:0.78rem;color:var(--text-dim);white-space:nowrap}.quick-links-title{font-size:0.8rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);margin-bottom:16px}.quick-links-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.quick-link-chip{display:inline-flex;align-items:center;gap:6px;background:var(--bg-card);border:1px solid var(--border);border-radius:50px;padding:8px 16px;font-size:0.83rem;color:var(--text-muted);text-decoration:none;transition:all 0.2s}.quick-link-chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-glow);transform:translateY(-2px)}.quick-link-chip i{font-size:0.9rem;color:var(--primary)}.stats-bar{display:flex;flex-wrap:wrap;justify-content:center;gap:0;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin:40px auto 0;max-width:600px}.stat-item{flex:1;min-width:120px;padding:20px 16px;text-align:center;border-right:1px solid var(--border);position:relative}.stat-item:last-child{border-right:none}.stat-num{font-family:'Inter',sans-serif;font-size:1.5rem;font-weight:800;color:var(--primary);line-height:1;margin-bottom:4px}.stat-label{font-size:0.75rem;color:var(--text-dim)}.particles{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:hidden}.particle{position:absolute;width:3px;height:3px;border-radius:50%;background:var(--primary);opacity:0;animation:floatUp linear infinite}@keyframes floatUp{0%{transform:translateY(100vh) translateX(0);opacity:0}10%{opacity:0.4}90%{opacity:0.1}100%{transform:translateY(-100px) translateX(30px);opacity:0}}@media (max-width:768px){.stat-item{min-width:100px;padding:14px 10px}.stat-num{font-size:1.2rem}.error-desc{font-size:0.93rem}}@media (max-width:576px){.stats-bar{flex-direction:column}.stat-item{border-right:none;border-bottom:1px solid var(--border)}.stat-item:last-child{border-bottom:none}}