*,*::before,*::after{box-sizing:border-box}html,body{height:100%}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:'Hind Siliguri',sans-serif;font-size:1rem;line-height:1.8;display:flex;flex-direction:column;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}main{flex:1}.btn-primary-custom{background-color:var(--accent);color:var(--text-light);border:none;padding:0.7rem 2rem;border-radius:6px;font-size:1rem;font-weight:600;transition:background 0.2s,transform 0.1s;display:inline-block;cursor:pointer}.btn-primary-custom:hover{background-color:var(--accent-hover);color:var(--text-light);transform:translateY(-1px)}.btn-outline-custom{border:1.5px solid var(--border);color:var(--text-secondary);padding:0.7rem 2rem;border-radius:6px;font-size:1rem;font-weight:600;transition:all 0.2s;display:inline-block;background:transparent;cursor:pointer}.btn-outline-custom:hover{border-color:var(--accent);color:var(--accent)}.error-section{padding:80px 0 72px;position:relative;overflow:hidden;text-align:center}.error-section::before{content:'';position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(59,130,246,0.06) 0%,transparent 65%);border-radius:50%;pointer-events:none}.error-section::after{content:'';position:absolute;bottom:-80px;right:-80px;width:360px;height:360px;background:radial-gradient(circle,rgba(239,68,68,0.05) 0%,transparent 65%);border-radius:50%;pointer-events:none}.error-number{font-size:clamp(7rem,18vw,13rem);font-weight:700;line-height:1;letter-spacing:-0.04em;background:linear-gradient(135deg,#1e3a5f 0%,var(--accent) 45%,#1e3a5f 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:relative;display:inline-block;user-select:none}.error-number::after{content:'404';position:absolute;top:6px;left:6px;background:linear-gradient(135deg,rgba(59,130,246,0.08) 0%,transparent 60%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;z-index:-1}.error-icon-wrap{width:80px;height:80px;border-radius:50%;background:var(--red-glow);border:1px solid rgba(239,68,68,0.2);display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;font-size:2rem;color:var(--red)}.error-title{font-size:clamp(1.4rem,3vw,2rem);font-weight:700;color:var(--text-primary);margin-bottom:0.75rem}.error-desc{color:var(--text-secondary);font-size:1rem;max-width:480px;margin:0 auto 2.5rem;line-height:1.8}.divider-line{width:48px;height:3px;background:var(--accent);border-radius:2px;margin:0.5rem auto 1.5rem}.quick-links-section{background:var(--bg-secondary);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:56px 0}.section-title{font-size:1.4rem;font-weight:700;color:var(--text-primary);margin-bottom:0.25rem}.quick-card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:1.5rem;display:flex;align-items:flex-start;gap:1rem;transition:border-color 0.2s,transform 0.2s;text-decoration:none;height:100%}.quick-card:hover{border-color:var(--accent);transform:translateY(-2px);color:inherit}.quick-card-icon{width:44px;height:44px;border-radius:8px;background:var(--accent-glow);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}.quick-card-body h6{color:var(--text-primary);font-weight:600;margin-bottom:0.2rem;font-size:0.95rem}.quick-card-body p{color:var(--text-secondary);font-size:0.83rem;margin:0;line-height:1.5}.search-wrap{max-width:460px;margin:0 auto;position:relative}.search-input{background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-primary);border-radius:8px;padding:0.75rem 1rem 0.75rem 2.8rem;font-size:0.95rem;font-family:'Hind Siliguri',sans-serif;width:100%;transition:border-color 0.2s,box-shadow 0.2s}.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,130,246,0.15);outline:none}.search-input::placeholder{color:#4b5563}.search-icon{position:absolute;left:0.9rem;top:50%;transform:translateY(-50%);color:var(--text-secondary);pointer-events:none}.search-btn{position:absolute;right:0.5rem;top:50%;transform:translateY(-50%);background:var(--accent);border:none;color:var(--text-light);border-radius:5px;padding:0.35rem 0.9rem;font-size:0.82rem;font-family:'Hind Siliguri',sans-serif;cursor:pointer;transition:background 0.2s}.search-btn:hover{background:var(--accent-hover)}.redirect-bar{background:var(--accent-glow);border:1px solid rgba(59,130,246,0.25);border-radius:8px;padding:0.75rem 1.25rem;display:inline-flex;align-items:center;gap:0.6rem;font-size:0.88rem;color:var(--text-secondary);margin-top:1.5rem}.redirect-bar span{color:var(--accent);font-weight:600}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}.float-anim{animation:float 4s ease-in-out infinite}@keyframes pulse-ring{0%{transform:scale(0.95);box-shadow:0 0 0 0 rgba(59,130,246,0.25)}70%{transform:scale(1);box-shadow:0 0 0 14px rgba(59,130,246,0)}100%{transform:scale(0.95);box-shadow:0 0 0 0 rgba(59,130,246,0)}}.pulse-anim{animation:pulse-ring 2.5s ease-out infinite}@media (max-width:768px){.error-section{padding:56px 0 48px}.quick-links-section{padding:40px 0}}