.hc-a-purple{--hc:#a855f7;}
.hc-a-green {--hc:#22c55e;}
.hc-a-amber {--hc:#f59e0b;}
.hc-a-blue  {--hc:#3b82f6;}
.hc-a-cyan  {--hc:#06b6d4;}
.hc-a-pink  {--hc:#d946ef;}

.hc-hero{
  padding:44px 26px 34px;border-radius:var(--r-xl);margin-bottom:24px;text-align:center;
  background:radial-gradient(120% 140% at 50% 0%,rgba(124,58,237,.34),rgba(12,9,24,0) 70%),
             linear-gradient(160deg,#171029 0%,#0c0918 100%);
  border:1px solid rgba(139,92,246,.3);
}
.hc-hero h1{font-size:32px;letter-spacing:-.04em;margin-bottom:20px;}

.hc-search{
  position:relative;display:flex;align-items:center;
  max-width:560px;margin:0 auto;
}
.hc-search-ico{
  position:absolute;left:16px;display:flex;color:var(--muted-2);pointer-events:none;
}
.hc-search-ico svg{width:17px;height:17px;}
.hc-search input{
  width:100%;padding:15px 18px 15px 44px;
  border-radius:14px;border:1px solid var(--line);
  background:var(--surface);color:var(--text);
  font-family:inherit;font-size:14px;
}
.hc-search input::placeholder{color:var(--muted-2);}
.hc-search input:focus{
  outline:none;border-color:var(--purple);
  box-shadow:0 0 0 4px rgba(139,92,246,.14);
}
.hc-search input::-webkit-search-cancel-button{filter:invert(.6);cursor:pointer;}

.hc-results{
  max-width:560px;margin:12px auto 0;text-align:left;
  border-radius:var(--r);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
}
.hc-result{
  display:block;padding:12px 16px;border-bottom:1px solid var(--line-soft);
}
.hc-result:last-child{border-bottom:0;}
.hc-result:hover{background:var(--surface-2);}
.hc-result:focus-visible{background:var(--surface-2);outline:2px solid var(--purple-3);outline-offset:-2px;}
.hc-result b{display:block;font-size:13px;font-weight:600;}
.hc-result span{display:block;font-size:11.5px;color:var(--muted);margin-top:3px;}
.hc-result em{
  font-style:normal;font-size:10px;font-weight:700;color:var(--purple-3);
  text-transform:uppercase;letter-spacing:.06em;
}
.hc-empty{padding:16px;font-size:12.5px;color:var(--muted);text-align:center;}

.hc-chips{
  display:flex;align-items:center;justify-content:center;gap:8px;
  flex-wrap:wrap;margin-top:20px;
}
.hc-chips-label{font-size:11px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.07em;}
.hc-chip{
  padding:6px 13px;border-radius:20px;font-size:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--muted);
}
.hc-chip:hover{border-color:var(--purple);color:var(--text);}

.hc-tiles{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));
  gap:16px;margin-bottom:34px;
}
.hc-tile{
  position:relative;padding:22px;border-radius:var(--r-lg);
  background:var(--grad-card);border:1px solid var(--line);
  transition:border-color .18s,transform .18s;
}
.hc-tile:hover{border-color:var(--hc,var(--purple));transform:translateY(-2px);}
.hc-tile-ico{
  display:flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;margin-bottom:14px;
  background:color-mix(in srgb,var(--hc,var(--purple)) 16%,transparent);
  color:var(--hc,var(--purple));
}
.hc-tile-ico svg{width:20px;height:20px;}
.hc-tile h2{font-size:15px;letter-spacing:-.02em;}
.hc-tile p{font-size:12.5px;color:var(--muted);line-height:1.6;margin-top:6px;}
.hc-tile-count{
  display:inline-block;margin-top:13px;font-size:11px;font-weight:700;
  color:var(--hc,var(--purple));
}

.hc-cat-hero{
  display:flex;align-items:center;gap:18px;
  padding:26px;border-radius:var(--r-lg);margin-bottom:20px;
  background:linear-gradient(135deg,
    color-mix(in srgb,var(--hc,var(--purple)) 26%,transparent),
    rgba(12,9,24,.2));
  border:1px solid color-mix(in srgb,var(--hc,var(--purple)) 34%,transparent);
}
.hc-cat-ico{
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  width:54px;height:54px;border-radius:15px;
  background:rgba(255,255,255,.1);color:#fff;
}
.hc-cat-ico svg{width:25px;height:25px;}
.hc-cat-hero h1{font-size:26px;letter-spacing:-.035em;}
.hc-cat-hero p{font-size:13px;color:#d9cffb;margin-top:6px;max-width:62ch;}

.hc-guides{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));
  gap:12px;margin:22px 0 34px;
}
.hc-guide{
  display:flex;align-items:center;gap:14px;justify-content:space-between;
  padding:17px 19px;border-radius:var(--r);
  background:var(--surface);border:1px solid var(--line-soft);
  transition:border-color .18s,background .18s;
}
.hc-guide:hover{border-color:var(--purple);background:var(--surface-2);}
.hc-guide h2{font-size:13.5px;letter-spacing:-.015em;}
.hc-guide p{font-size:12px;color:var(--muted);line-height:1.6;margin-top:5px;}
.hc-guide-chev{width:15px;height:15px;flex:0 0 auto;color:var(--muted-2);}
.hc-guide:hover .hc-guide-chev{color:var(--purple-3);}

.hc-article-head{margin-bottom:24px;}
.hc-article-head h1{font-size:30px;letter-spacing:-.04em;line-height:1.2;max-width:26ch;}
.hc-lede{font-size:14.5px;color:#cdc2ea;line-height:1.65;margin-top:11px;max-width:66ch;}
.hc-meta{
  display:inline-flex;align-items:center;gap:7px;margin-top:15px;
  padding:5px 12px;border-radius:20px;
  background:rgba(255,255,255,.06);border:1px solid var(--line-soft);
  color:var(--muted-2);font-size:11px;font-weight:600;
}
.hc-meta svg{width:12px;height:12px;}

.hc-article-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 232px;gap:34px;
  align-items:start;margin-bottom:40px;
}
.hc-article-body{min-width:0;}

.hc-toc{
  position:sticky;top:85px;padding:16px;border-radius:var(--r);
  background:var(--grad-card);border:1px solid var(--line-soft);
}
.hc-toc h4{
  font-size:11px;color:var(--muted-2);text-transform:uppercase;
  letter-spacing:.07em;margin-bottom:11px;
}
.hc-toc ul{list-style:none;margin:0;padding:0;}
.hc-toc a{
  display:block;padding:7px 10px;border-radius:8px;
  font-size:12px;color:var(--muted);line-height:1.4;
}
.hc-toc a:hover{background:var(--surface-2);color:var(--text);}
.hc-toc a.is-active{background:rgba(139,92,246,.14);color:#d8c9ff;font-weight:600;}

.hc-block{margin-bottom:30px;}
.hc-block h2{
  font-size:17px;letter-spacing:-.025em;margin-bottom:12px;
  scroll-margin-top:85px;
}
.hc-prose p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-bottom:11px;}
.hc-prose p:last-child{margin-bottom:0;}
.hc-prose strong{color:var(--text);}

.hc-steps{list-style:none;margin:0;padding:0;display:grid;gap:11px;}
.hc-step{
  display:flex;gap:14px;padding:15px 17px;border-radius:var(--r);
  background:var(--surface);border:1px solid var(--line-soft);
}
.hc-step-num{
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  width:26px;height:26px;border-radius:50%;
  background:var(--grad-btn);color:#fff;
  font-size:12px;font-weight:800;
}
.hc-step-body h3{font-size:13.5px;letter-spacing:-.015em;}
.hc-step-body p{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:5px;}

.hc-list{margin:0;padding:0;list-style:none;display:grid;gap:8px;}
.hc-list li{
  position:relative;padding-left:22px;
  font-size:13px;color:var(--muted);line-height:1.7;
}
.hc-list li::before{
  content:"";position:absolute;left:6px;top:9px;
  width:5px;height:5px;border-radius:50%;background:var(--purple);
}

.hc-note{
  display:flex;gap:13px;padding:15px 17px;border-radius:var(--r);
  border:1px solid var(--line);background:var(--surface-2);
}
.hc-note.is-warn{
  border-color:rgba(245,158,11,.4);background:rgba(245,158,11,.08);
}
.hc-note.is-warn .hc-note-ico{color:var(--amber);}
.hc-note.is-info{
  border-color:rgba(59,130,246,.36);background:rgba(59,130,246,.08);
}
.hc-note.is-info .hc-note-ico{color:var(--blue);}
.hc-note-ico{display:flex;flex:0 0 auto;padding-top:1px;}
.hc-note-ico svg{width:17px;height:17px;}
.hc-note p{font-size:13px;line-height:1.7;color:#d5cbe9;}

.hc-faq{display:grid;gap:9px;}
.hc-faq-item{
  border-radius:var(--r);background:var(--surface);
  border:1px solid var(--line-soft);overflow:hidden;
}
.hc-faq-item[open]{border-color:rgba(139,92,246,.4);}
.hc-faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 17px;cursor:pointer;list-style:none;
  font-size:13.5px;font-weight:600;
}
.hc-faq-item summary::-webkit-details-marker{display:none;}
.hc-faq-chev{
  width:15px;height:15px;flex:0 0 auto;color:var(--muted-2);
  transition:transform .18s;
}
.hc-faq-item[open] .hc-faq-chev{transform:rotate(180deg);color:var(--purple-3);}
.hc-faq-a{padding:0 17px 15px;}
.hc-faq-a p{font-size:13px;color:var(--muted);line-height:1.75;}

.hc-table-wrap{
  overflow-x:auto;border-radius:var(--r);border:1px solid var(--line-soft);
}
.hc-table{width:100%;border-collapse:collapse;font-size:12.5px;min-width:440px;}
.hc-table th{
  padding:12px 15px;text-align:left;background:var(--surface-2);
  font-size:11px;font-weight:700;color:var(--muted-2);
  text-transform:uppercase;letter-spacing:.06em;white-space:nowrap;
}
.hc-table td{
  padding:12px 15px;border-top:1px solid var(--line-soft);
  color:var(--muted);line-height:1.65;vertical-align:top;
}
.hc-table tbody tr:hover{background:rgba(255,255,255,.02);}

.hc-rels{display:grid;gap:8px;}
.hc-rel{
  display:flex;align-items:center;gap:10px;
  padding:12px 15px;border-radius:var(--r);
  background:var(--surface);border:1px solid var(--line-soft);
  font-size:13px;
}
.hc-rel svg{width:14px;height:14px;color:var(--purple-3);flex:0 0 auto;}
.hc-rel:hover{border-color:var(--purple);background:var(--surface-2);}

.hc-lang{
  position:fixed;left:20px;bottom:20px;z-index:40;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:24px;
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow);
  font-size:12.5px;font-weight:600;
}
.hc-lang svg{width:13px;height:13px;color:var(--purple-3);}
.hc-lang:hover{border-color:var(--purple);}

:lang(bn),:lang(bn) .hc-lede,:lang(bn) .hc-prose p{
  font-family:'Noto Sans Bengali','Hind Siliguri','Kalpurush','SolaimanLipi',
              'Plus Jakarta Sans',sans-serif;
}
:lang(bn) h1,:lang(bn) h2,:lang(bn) h3,:lang(bn) h4,:lang(bn) h5{
  letter-spacing:normal;line-height:1.4;
}
:lang(bn) .hc-prose p,:lang(bn) .hc-list li,:lang(bn) .hc-faq-a p{line-height:1.85;}

@media (max-width:900px){
  .hc-article-grid{grid-template-columns:minmax(0,1fr);gap:0;}
  .hc-toc{position:static;order:-1;margin-bottom:22px;}
}
@media (max-width:640px){
  .hc-hero{padding:32px 18px 26px;}
  .hc-hero h1{font-size:24px;}
  .hc-article-head h1{font-size:23px;}
  .hc-lede{font-size:13.5px;}
  .hc-cat-hero{flex-direction:column;align-items:flex-start;gap:14px;padding:20px;}
  .hc-cat-hero h1{font-size:21px;}
  .hc-guides{grid-template-columns:minmax(0,1fr);}
  .hc-lang{left:14px;bottom:14px;padding:9px 14px;}
}