.err-blob-1{pointer-events:none;background:#ed00380d;border-radius:60% 40% 30% 70%/60% 30% 70% 40%;width:680px;height:680px;animation:10s ease-in-out infinite blob-morph;position:absolute;top:-200px;right:-180px}.err-blob-2{pointer-events:none;background:#0094df0b;border-radius:30% 60% 70% 40%/50% 60% 30%;width:480px;height:480px;animation:13s ease-in-out infinite reverse blob-morph;position:absolute;bottom:-100px;left:-140px}.err-blob-3{pointer-events:none;background:#00b8dd0a;border-radius:50% 30% 60% 40%/40% 70% 30% 60%;width:300px;height:300px;animation:16s ease-in-out infinite blob-morph;position:absolute;top:55%;left:20%}@keyframes blob-morph{0%,to{border-radius:60% 40% 30% 70%/60% 30% 70% 40%}25%{border-radius:30% 60% 70% 40%/50% 60% 30%}50%{border-radius:50% 30% 60% 40%/40% 70% 30% 60%}75%{border-radius:40% 60% 30% 70%/60% 40% 70% 30%}}.particle{pointer-events:none;border-radius:50%;animation:linear infinite particle-float;position:absolute}@keyframes particle-float{0%{opacity:.7;transform:translateY(0)rotate(0)}50%{opacity:1}to{opacity:0;transform:translateY(-60px)rotate(360deg)}}.err-section{justify-content:center;align-items:center;min-height:calc(100vh - 169px);padding:80px 0;display:flex;position:relative;overflow:hidden}.err-inner{z-index:1;text-align:center;max-width:640px;margin:0 auto;padding:0 20px;position:relative}.err-numblock{justify-content:center;align-items:center;gap:0;margin-bottom:8px;animation:4s ease-in-out infinite float-up-down;display:flex}@keyframes float-up-down{0%,to{transform:translateY(0)}50%{transform:translateY(-14px)}}.err-zero{justify-content:center;align-items:center;display:flex;position:relative}.err-zero-ring{border:10px solid var(--red);border-radius:50%;justify-content:center;align-items:center;width:148px;height:148px;animation:3s ease-in-out infinite ring-pulse;display:flex;position:relative;box-shadow:0 0 0 4px #ed00381f,0 0 40px #ed00382e}@keyframes ring-pulse{0%,to{box-shadow:0 0 0 4px #ed00381f,0 0 40px #ed00382e}50%{box-shadow:0 0 0 10px #ed00380f,0 0 60px #ed003847}}.err-zero-dot{background:var(--red);border-radius:50%;width:20px;height:20px;box-shadow:0 0 12px #ed003880}.err-zero-orbit{width:100%;height:100%;animation:4s linear infinite orbit;position:absolute}.err-zero-orb-dot{background:var(--blue);border-radius:50%;width:10px;height:10px;position:absolute;top:-5px;left:calc(50% - 5px);box-shadow:0 0 8px #0094df99}@keyframes orbit{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.err-zero-scan{background:linear-gradient(90deg,#0000,#ed003880,#0000);border-radius:2px;width:100%;height:2px;animation:2.5s ease-in-out infinite scan-sweep;position:absolute;top:50%;overflow:hidden;transform:translateY(-50%)}@keyframes scan-sweep{0%{opacity:0;top:10%}20%{opacity:1}80%{opacity:1}to{opacity:0;top:90%}}.err-headline{color:var(--heading);letter-spacing:-.025em;margin-bottom:14px;font-size:clamp(22px,4vw,30px);font-weight:800;line-height:1.2}.err-sub{color:var(--muted);max-width:480px;margin-bottom:36px;margin-left:auto;margin-right:auto;font-size:16px;line-height:1.75}.err-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;display:flex}.err-badge{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:100px;align-items:center;gap:8px;margin-bottom:28px;padding:5px 14px;font-size:12px;font-weight:600;display:inline-flex}.err-badge-dot{background:var(--red);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite blink}@keyframes blink{0%,to{opacity:1}50%{opacity:.2}}html,body{height:100%}body{flex-direction:column;display:flex}.err-section{flex:1}.err-digit{letter-spacing:-.05em;color:var(--heading);font-family:Inter,sans-serif;font-size:clamp(96px,18vw,200px);font-weight:900;line-height:1;display:inline-block}.err-digit:before{content:"4"}