*{box-sizing:border-box}html,body{max-width:100%}body{margin:0;font-family:'Hind Siliguri','Noto Sans Bengali',system-ui,-apple-system,sans-serif;color:var(--text);line-height:1.8;background:radial-gradient(circle at 14% 10%,rgba(139,92,246,0.30),transparent 30%),radial-gradient(circle at 84% 18%,rgba(99,102,241,0.24),transparent 28%),linear-gradient(180deg,#020617 0%,#111827 52%,#020617 100%);overflow-wrap:anywhere}img{max-width:100%;height:auto}a{color:inherit}main{padding-top:74px}section{padding:64px 0;position:relative}.hero{padding-top:54px}.breadcrumb-panel{border:1px solid var(--line);background:rgba(17,24,39,0.66);border-radius:18px;padding:12px 16px;color:var(--muted);box-shadow:0 16px 38px rgba(0,0,0,0.22)}.breadcrumb-panel a{color:#ddd6fe;text-decoration:none;font-weight:600}.breadcrumb-panel a:hover,.breadcrumb-panel a:focus{color:var(--text-light);text-shadow:0 0 12px rgba(139,92,246,0.85)}.error-card,.info-card{min-width:0;height:auto;border:1px solid var(--line);background:linear-gradient(180deg,rgba(17,24,39,0.90),rgba(2,6,23,0.84));border-radius:26px;box-shadow:0 18px 48px rgba(0,0,0,0.30),var(--glow)}.error-card{padding:34px}.info-card{padding:24px}.error-code{display:inline-flex;align-items:center;justify-content:center;padding:8px 18px;border:1px solid rgba(139,92,246,0.62);border-radius:999px;color:#ddd6fe;background:rgba(139,92,246,0.14);font-weight:700;box-shadow:0 0 18px rgba(139,92,246,0.22);margin-bottom:18px}h1,h2,h3{font-weight:700;letter-spacing:-0.02em}h1{font-size:clamp(2.3rem,7vw,5rem);line-height:1.1;margin:12px 0 18px}h2{font-size:clamp(1.45rem,3vw,2rem);margin-bottom:14px}.gradient-text{background:linear-gradient(90deg,var(--text-light),#c4b5fd,#a5b4fc);-webkit-background-clip:text;background-clip:text;color:transparent}.lead,.muted-text{color:var(--muted);font-size:1.06rem}.btn-cyber{border:1px solid rgba(139,92,246,0.78);color:var(--text-light);background:linear-gradient(135deg,var(--purple),var(--indigo));border-radius:999px;padding:12px 22px;font-weight:700;box-shadow:0 0 22px rgba(139,92,246,0.32);white-space:normal}.btn-cyber:hover,.btn-cyber:focus{color:var(--text-light);transform:translateY(-1px);box-shadow:0 0 30px rgba(139,92,246,0.48)}.btn-ghost{border:1px solid rgba(99,102,241,0.66);color:#e0e7ff;background:rgba(17,24,39,0.72);border-radius:999px;padding:12px 22px;font-weight:700;white-space:normal}.btn-ghost:hover,.btn-ghost:focus{color:var(--text-light);border-color:var(--purple);box-shadow:var(--glow)}.list-check{padding-left:0;list-style:none;margin-bottom:0}.list-check li{margin-bottom:12px;color:var(--muted);display:flex;gap:10px;align-items:flex-start}.list-check i{color:#a78bfa;margin-top:4px;flex:0 0 auto}.icon-pill{width:48px;min-width:48px;min-height:48px;display:inline-flex;align-items:center;justify-content:center;border-radius:15px;color:var(--text-light);background:linear-gradient(135deg,var(--purple),var(--indigo));box-shadow:0 0 20px rgba(139,92,246,0.36);margin-bottom:14px;font-size:1.25rem;flex:0 0 auto}@media (max-width:991.98px){main{padding-top:70px}section{padding:52px 0}.hero{padding-top:42px}.error-card,.info-card{padding:22px}}