:root{
  --bg:#181022;
  --bg-alt:#20152e;
  --surface:#251a3a;
  --surface-2:#2e2047;
  --border:rgba(255,255,255,0.08);
  --text:#f3ecf9;
  --muted:#b6a8cf;
  --rose:#ff6f81;
  --gold:#ffc857;
  --teal:#5fd8c8;
  --grad: linear-gradient(135deg,#ff6f81 0%,#ffc857 100%);
  --radius:18px;
  --maxw:1180px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}
[data-theme="light"]{
  --bg:#fbf6ff;
  --bg-alt:#f3e9fb;
  --surface:#ffffff;
  --surface-2:#f6effc;
  --border:rgba(30,10,50,0.08);
  --text:#241733;
  --muted:#6b5c85;
  --shadow: 0 10px 26px rgba(90,40,120,0.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Hind Siliguri","Noto Sans Bengali",system-ui,sans-serif;
  font-display:swap;
  line-height:1.75;
  transition:background .25s ease,color .25s ease;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:"Baloo Da 2","Hind Siliguri",sans-serif;line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(1.7rem,4vw,2.7rem);font-weight:700}
h2{font-size:clamp(1.3rem,3vw,1.9rem);font-weight:700}
p{margin:0 0 1em;color:var(--muted)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"Poppins",sans-serif;font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--gold);font-weight:600;
}

/* ---------- Header ---------- */
header.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(24,16,34,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
[data-theme="light"] header.site-header{background:rgba(251,246,255,0.88)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;max-width:var(--maxw);margin:0 auto;
}
.logo{display:flex;align-items:center;gap:10px;font-family:"Baloo Da 2",sans-serif;font-weight:700;font-size:1.25rem}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#20152e;font-size:1.1rem;font-weight:800;
  flex-shrink:0;
}
nav.main-nav{display:flex;gap:4px;align-items:center}
nav.main-nav a{
  padding:8px 12px;border-radius:10px;font-size:.92rem;color:var(--muted);font-weight:600;
  white-space:nowrap;
}
nav.main-nav a:hover,nav.main-nav a.active{background:var(--surface-2);color:var(--text)}
.header-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--surface);
  color:var(--text);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.05rem;
}
.icon-btn:hover{background:var(--surface-2)}
#menu-toggle{display:none}
.mobile-nav{display:none;flex-direction:column;padding:8px 20px 18px;gap:2px;border-bottom:1px solid var(--border);background:var(--bg-alt)}
.mobile-nav a{padding:10px 8px;border-radius:8px;color:var(--muted);font-weight:600}
.mobile-nav a.active,.mobile-nav a:hover{background:var(--surface-2);color:var(--text)}
.mobile-nav.open{display:flex}

@media (max-width:920px){
  nav.main-nav{display:none}
  #menu-toggle{display:flex}
}

/* ---------- Hero ---------- */
.hero{padding:48px 0 20px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-40% -10% auto -10%;height:420px;
  background:radial-gradient(60% 60% at 30% 20%, rgba(255,111,129,0.18), transparent 70%),
             radial-gradient(50% 50% at 80% 10%, rgba(255,200,87,0.14), transparent 70%);
  pointer-events:none;
}
.hero .wrap{position:relative}
.hero h1{max-width:900px}
.hero .lead{max-width:820px;font-size:1.02rem}
.hero .lead2{max-width:820px}
.breadcrumb{font-size:.82rem;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--teal)}

/* ---------- TOC ---------- */
.toc{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 20px;margin:22px 0 8px;
}
.toc-title{font-family:"Poppins",sans-serif;font-weight:700;font-size:.85rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.toc-grid{display:flex;flex-wrap:wrap;gap:8px}
.toc-grid a{
  font-size:.86rem;padding:7px 12px;border-radius:20px;background:var(--surface-2);
  border:1px solid var(--border);color:var(--muted);font-weight:600;
}
.toc-grid a:hover{color:var(--text);border-color:var(--rose)}

/* ---------- Sections ---------- */
section.cat-section{padding:38px 0}
.cat-section h2{scroll-margin-top:90px}
.cat-section .desc{max-width:820px}
.subh{
  font-family:"Poppins",sans-serif;font-weight:700;font-size:.95rem;color:var(--teal);
  margin:22px 0 12px;display:flex;align-items:center;gap:8px;
}
.subh::before{content:"";width:18px;height:2px;background:var(--teal);border-radius:2px}

/* ---------- Caption Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;margin-top:6px}
.cap-card{
  position:relative;background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:20px 18px 52px;box-shadow:var(--shadow);
}
.cap-card::before{
  content:"";position:absolute;top:0;left:16px;right:16px;height:3px;border-radius:0 0 4px 4px;
  background:var(--grad);
}
.cap-card p{color:var(--text);margin:0;font-size:.98rem}
.cap-card .quote-mark{font-family:"Baloo Da 2",sans-serif;color:var(--rose);font-size:1.6rem;line-height:1;display:block;margin-bottom:6px;opacity:.8}
.copy-btn{
  position:absolute;bottom:14px;right:14px;left:14px;
  display:flex;align-items:center;justify-content:center;gap:6px;
  background:var(--surface-2);border:1px solid var(--border);color:var(--muted);
  font-family:"Poppins",sans-serif;font-size:.78rem;font-weight:600;
  padding:8px 10px;border-radius:10px;cursor:pointer;
}
.copy-btn:hover{border-color:var(--rose);color:var(--text)}
.copy-btn.copied{background:var(--grad);color:#20152e;border-color:transparent}

/* ---------- How to use ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:16px}
.step{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px}
.step .num{
  width:34px;height:34px;border-radius:10px;background:var(--surface-2);color:var(--gold);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-family:"Poppins",sans-serif;
  margin-bottom:10px;
}
.step h3{font-size:1.02rem;margin-bottom:4px}
.step p{font-size:.9rem;margin:0}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;color:var(--text);
  font-family:"Baloo Da 2",sans-serif;font-size:1.02rem;font-weight:700;
  padding:16px 4px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:10px;
}
.faq-q .plus{color:var(--gold);font-size:1.3rem;flex-shrink:0;transition:transform .2s}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 4px 16px;margin:0}
.faq-item.open .faq-a{max-height:400px}

/* ---------- Popular categories ---------- */
.pop-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.pop-card{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 18px;
  font-weight:700;font-family:"Baloo Da 2",sans-serif;
}
.pop-card:hover{border-color:var(--rose)}
.pop-card span{display:block;font-family:"Hind Siliguri",sans-serif;font-weight:400;font-size:.82rem;color:var(--muted);margin-top:4px}

/* ---------- Conclusion box ---------- */
.conclusion-box{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;margin:10px 0 30px;
}
.tips-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:10px}
.tips-list li{
  display:flex;gap:10px;background:var(--surface-2);border-radius:10px;padding:10px 14px;font-size:.92rem;color:var(--text)
}
.tips-list li::before{content:"✓";color:var(--teal);font-weight:800}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--border);background:var(--bg-alt);margin-top:40px;padding:40px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:24px}
.footer-col h4{font-family:"Poppins",sans-serif;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--gold);margin-bottom:12px}
.footer-col a{display:block;color:var(--muted);font-size:.9rem;padding:4px 0}
.footer-col a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--border);margin-top:26px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.82rem}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}

/* ---------- Buttons / generic ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#20152e;font-weight:700;
  font-family:"Poppins",sans-serif;padding:12px 22px;border-radius:12px;border:none;cursor:pointer;font-size:.92rem;
}
.btn.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}

/* Generator */
.gen-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.gen-select{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.gen-select button{
  padding:8px 16px;border-radius:20px;border:1px solid var(--border);background:var(--surface-2);color:var(--muted);
  font-weight:700;font-family:"Poppins",sans-serif;font-size:.85rem;cursor:pointer;
}
.gen-select button.active{background:var(--grad);color:#20152e;border-color:transparent}
.gen-output{
  background:var(--surface-2);border:1px dashed var(--border);border-radius:14px;padding:26px;min-height:110px;
  display:flex;align-items:center;font-size:1.15rem;color:var(--text);margin-bottom:16px;
}
.gen-actions{display:flex;gap:10px;flex-wrap:wrap}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
::selection{background:var(--rose);color:#20152e}