:root{
  --maroon:#420007; --maroon-2:#5a0a12; --maroon-3:#2e0005;
  --gold:#ffb900; --gold-2:#ffcf45; --cream:#fff8ec; --paper:#fffaf0; --ink:#2a1a1a; --muted:#7a6460;
  --radius:20px; --shadow:0 12px 40px rgba(66,0,7,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:'Poppins','Hind Siliguri',sans-serif;color:var(--ink);background:#fff;line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{width:min(1180px,92%);margin-inline:auto}
h1,h2,h3{font-family:'Playfair Display',serif;line-height:1.15}
em{font-style:normal;color:var(--gold)}
.center{text-align:center;margin-top:40px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:999px;font-weight:600;font-size:15px;border:2px solid transparent;cursor:pointer;transition:.25s}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:17px 40px;font-size:17px}
.btn-gold{background:var(--gold);color:var(--maroon);box-shadow:0 8px 24px rgba(255,185,0,.35)}
.btn-gold:hover{background:var(--gold-2);transform:translateY(-3px)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--maroon)}
.btn-maroon{background:var(--maroon);color:#fff}
.btn-maroon:hover{background:var(--maroon-2);transform:translateY(-3px)}

.ic{width:1.25em;height:1.25em;fill:currentColor;flex-shrink:0}
.btn-wa{background:#25D366;color:#fff;box-shadow:0 8px 22px rgba(37,211,102,.4)}
.btn-wa:hover{background:#1ebe5a;transform:translateY(-3px)}

/* Nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;background:#fff;border-bottom:1px solid #f3e6d0;transition:.3s}
.nav.scrolled{box-shadow:0 6px 24px rgba(66,0,7,.12)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand img{height:56px;width:auto;border-radius:8px}
.menu-links{display:flex;align-items:center;gap:28px}
.menu-links a:not(.btn){color:var(--maroon);font-weight:600;font-size:15px;position:relative}
.menu-links a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--gold);transition:.25s}
.menu-links a:not(.btn):hover::after{width:100%}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.burger span{width:26px;height:3px;background:var(--maroon);border-radius:3px;transition:.3s}
.burger.open span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}

/* Language toggle */
.lang{background:transparent;border:2px solid var(--maroon);color:var(--maroon);font-family:'Poppins','Hind Siliguri',sans-serif;font-weight:600;font-size:13px;padding:7px 16px;border-radius:999px;cursor:pointer;transition:.2s;margin-left:18px}
.lang:hover{background:var(--maroon);color:#fff}

/* Hero */
.hero{position:relative;background:#fff;color:var(--ink);padding:140px 0 120px;overflow:hidden}
.blob{position:absolute;border-radius:50%}
.b1{width:520px;height:520px;right:-160px;top:-120px;background:radial-gradient(circle,rgba(255,185,0,.9),rgba(255,185,0,.55))}
.b2{width:260px;height:260px;left:-90px;bottom:-80px;background:rgba(255,185,0,.18)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:50px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--maroon);background:rgba(255,185,0,.3);padding:6px 16px;border-radius:999px;margin-bottom:18px}
.eyebrow.dark{color:var(--maroon);background:rgba(255,185,0,.35)}
.hero h1{font-size:clamp(2.2rem,5.4vw,4.2rem);font-weight:800;margin-bottom:20px;color:var(--maroon)}
.hero h1 em,.why em,.fb-body em{color:#e09a00}
.hero p{font-size:1.05rem;color:#5b4743;max-width:520px;margin-bottom:30px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap}
.hero-stats b{display:block;font-family:'Playfair Display',serif;font-size:2rem;color:var(--maroon)}
.hero-stats span{font-size:13px;color:var(--muted)}
.hero-img{position:relative;display:grid;place-items:center}
.plate{width:min(460px,86vw);aspect-ratio:1;border-radius:50%;overflow:hidden;border:10px solid rgba(255,255,255,.95);box-shadow:0 30px 70px rgba(66,0,7,.28);animation:float 6s ease-in-out infinite;background:#fff}
.plate img{width:100%;height:100%;object-fit:cover}
.chip{position:absolute;width:112px;height:112px;border-radius:50%;overflow:hidden;border:5px solid var(--gold);box-shadow:0 14px 30px rgba(66,0,7,.3);background:#fff}
.chip img{width:100%;height:100%;object-fit:cover}
.c1{left:-4%;bottom:6%;animation:float 5s ease-in-out infinite .5s}
.c2{right:-2%;top:2%;animation:float 7s ease-in-out infinite 1s}
.badge-float{position:absolute;right:2%;bottom:2%;background:var(--gold);color:var(--maroon);font-weight:700;padding:12px 18px;border-radius:16px;font-size:14px;line-height:1.3;box-shadow:0 12px 30px rgba(66,0,7,.25)}
.badge-float small{font-weight:500}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.emoji-fallback{font-size:3.4rem;display:grid;place-items:center;width:100%;height:100%;background:linear-gradient(135deg,#fff3d1,#ffd978)}

/* Quick cards */
.quick{margin-top:-56px;position:relative;z-index:5}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.qcard{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid #f3e6d0;padding:22px 24px;border-radius:var(--radius);box-shadow:var(--shadow);transition:.25s}
.qcard:hover{transform:translateY(-6px)}
.qi{width:54px;height:54px;border-radius:16px;background:var(--gold);display:grid;place-items:center;font-size:24px;flex-shrink:0}
.qi.fb{background:#1877F2}
.qi svg{width:26px;height:26px}
.qi.wa{background:#25D366;color:#fff}
.qcard b{display:block;color:var(--maroon);font-size:1rem}
.qcard small{color:var(--muted)}

/* Sections */
.section{padding:90px 0}
.sec-head{text-align:center;max-width:620px;margin:0 auto 48px}
.sec-head h2{font-size:clamp(1.9rem,4vw,2.9rem);color:var(--maroon);margin-bottom:10px}
.sec-head p{color:var(--muted)}

.sec-head em{color:#e09a00}

/* Photo categories */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.cat-card{position:relative;display:block;aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--cream)}
.cat-card img,.cat-card .emoji-fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.cat-card:hover img{transform:scale(1.1)}
.cat-card .ov{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:20px;color:#fff;background:linear-gradient(to top,rgba(46,0,5,.92) 8%,rgba(46,0,5,.15) 60%,transparent)}
.cat-card b{font-family:'Playfair Display',serif;font-size:1.35rem}
.cat-card small{color:var(--gold);font-weight:600;font-size:13px;transition:.25s}
.cat-card:hover small{letter-spacing:.5px}

/* Flipbook */
.book-sec{background:linear-gradient(180deg,#fff 0%,var(--cream) 100%);overflow:hidden}
.book-stage{display:flex;justify-content:center;touch-action:pan-y;outline:none;user-select:none;-webkit-user-select:none;padding:8px 0 4px}
.book-wrap{position:relative;flex-shrink:0}
.book{position:absolute;top:0;left:0;transform-origin:0 0;perspective:2600px}
.shift{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .9s cubic-bezier(.45,.05,.25,1)}
.leaf{position:absolute;top:0;height:100%;width:var(--pw);transform-style:preserve-3d;transform-origin:left center;transition:transform .9s cubic-bezier(.45,.05,.25,1)}
.book.desk .leaf{left:var(--pw)}
.book.mob .leaf{left:0}
.leaf.flipped{transform:rotateY(-180deg)}
.face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden;background:var(--paper);color:var(--ink);box-shadow:0 16px 36px rgba(66,0,7,.3)}
.face.front{border-radius:3px 14px 14px 3px}
.face.back{transform:rotateY(180deg);border-radius:14px 3px 3px 14px}
.book.mob .face.front{border-radius:8px}
.face.front::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.22),transparent 9%)}
.face.back::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(270deg,rgba(0,0,0,.22),transparent 9%)}
.face.dark{background:var(--maroon);color:#fff}

.pg{height:100%;display:flex;flex-direction:column;padding:30px 28px 18px}
.grp+.grp{margin-top:14px}
.pg h3{display:flex;align-items:center;gap:10px;font-size:20px;color:var(--maroon);border-bottom:2px solid var(--gold);padding-bottom:5px;margin-bottom:4px}
.th{width:38px;height:38px;border-radius:50%;overflow:hidden;border:2px solid var(--gold);flex-shrink:0;background:var(--cream)}
.th img{width:100%;height:100%;object-fit:cover}
.th .emoji-fallback{font-size:18px}
.pg li{display:flex;align-items:baseline;gap:6px;font-size:13.5px;padding:3.5px 0;line-height:1.45}
.pg .dots{flex:1;border-bottom:1.5px dotted #c9a56a;transform:translateY(-3px);min-width:8px}
.pg .p{font-weight:700;color:var(--maroon);white-space:nowrap}
.pg .num{margin-top:auto;text-align:center;font-size:12px;color:var(--muted);padding-top:8px}
.pg.center-pg{align-items:center;justify-content:center;text-align:center;gap:14px}
.pg.center-pg img.lg{width:min(260px,70%);border-radius:14px}
.pg.center-pg h3{border:0;justify-content:center;font-size:26px;color:inherit}
.pg.center-pg p{font-size:14px;opacity:.85;max-width:290px}
.pg.center-pg .ph{width:190px;height:190px;border-radius:50%;overflow:hidden;border:6px solid var(--gold);background:#fff}
.pg.center-pg .ph img{width:100%;height:100%;object-fit:cover}
.pg.center-pg .btn{font-size:14px;padding:12px 24px}
.cover{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:26px 20px 40px}
.cover-logo{width:100%;height:auto;object-fit:contain}
.cover-tag{text-align:center;font-family:'Playfair Display';letter-spacing:6px;color:var(--gold);font-size:22px;font-weight:700}
.hint{position:absolute;left:0;right:0;bottom:12px;text-align:center;font-size:11px;opacity:.7;letter-spacing:1px}

.book-ctrl{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:22px;font-size:14px;color:var(--maroon);font-weight:500}
.book-ctrl span{min-width:120px;text-align:center}
.bbtn{width:46px;height:46px;border-radius:50%;border:2px solid var(--maroon);background:transparent;color:var(--maroon);font-size:20px;cursor:pointer;transition:.2s}
.bbtn:hover:not(:disabled){background:var(--maroon);color:var(--gold)}
.bbtn:disabled{opacity:.3;cursor:default}

/* Moments */
.marquee{overflow:hidden;margin-bottom:16px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.track{display:flex;gap:16px;width:max-content;animation:scroll 55s linear infinite}
.track.rev{animation-direction:reverse;animation-duration:65s}
.marquee:hover .track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.tile{position:relative;width:280px;height:200px;border-radius:18px;overflow:hidden;flex-shrink:0;box-shadow:0 8px 24px rgba(66,0,7,.18);background:var(--cream)}
.tile img,.tile .emoji-fallback{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.tile:hover img{transform:scale(1.08)}
.tile span{position:absolute;left:0;right:0;bottom:0;padding:22px 14px 10px;color:#fff;font-size:13px;font-weight:500;background:linear-gradient(to top,rgba(46,0,5,.85),transparent)}
.fb-card{display:flex;align-items:center;gap:24px;margin-top:60px;background:#fff;border:2px solid #cfe0fc;border-radius:28px;padding:30px 34px;box-shadow:0 12px 40px rgba(24,119,242,.12)}
.fb-icon{width:78px;height:78px;border-radius:50%;background:#1877F2;display:grid;place-items:center;flex-shrink:0;box-shadow:0 10px 24px rgba(24,119,242,.4)}
.fb-body{flex:1}
.fb-body h3{font-size:clamp(1.4rem,2.6vw,2rem);color:#1c2b4a;margin-bottom:6px}
.fb-body em{color:#1877F2}
.fb-body p{color:var(--muted)}
.btn-fb{background:#1877F2;color:#fff;white-space:nowrap;box-shadow:0 8px 22px rgba(24,119,242,.4)}
.btn-fb:hover{background:#0f63d1;transform:translateY(-3px)}

/* Why */
.why{background:var(--cream);color:var(--ink);padding:90px 0}
.why-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.why-img{border-radius:var(--radius);overflow:hidden;border:6px solid var(--gold);aspect-ratio:4/3;box-shadow:0 24px 60px rgba(66,0,7,.22);background:#fff}
.why-img img{width:100%;height:100%;object-fit:cover}
.why h2{font-size:clamp(1.9rem,4vw,2.9rem);margin-bottom:16px;color:var(--maroon)}
.why p{color:#5b4743;margin-bottom:20px}
.ticks li{padding-left:34px;position:relative;margin-bottom:12px}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;background:var(--gold);color:var(--maroon);font-weight:700;display:grid;place-items:center;font-size:13px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step{text-align:center;padding:34px 24px;border-radius:var(--radius);background:var(--cream);transition:.3s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step .num{width:60px;height:60px;border-radius:50%;background:var(--gold);color:var(--maroon);font-family:'Playfair Display';font-weight:800;font-size:1.6rem;display:grid;place-items:center;margin:0 auto 16px}
.step h3{color:var(--maroon);font-size:1.2rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px}

/* CTA */
.cta{background:var(--gold);padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta h2{color:var(--maroon);font-size:clamp(1.7rem,3.5vw,2.5rem)}
.cta p{color:var(--maroon-2)}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}
.cta .btn-gold{background:var(--maroon);color:#fff;box-shadow:none}
.cta .btn-ghost{border-color:var(--maroon);color:var(--maroon)}
.cta .btn-ghost:hover{background:var(--maroon);color:#fff}

/* Footer */
.footer{background:var(--maroon-3);color:#e9d9d4;padding-top:56px}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:36px;padding-bottom:36px}
.foot-logo{height:90px;width:auto;border-radius:10px;margin-bottom:12px}
.footer h4{color:var(--gold);margin-bottom:14px;font-size:1rem}
.footer a{display:block;margin-bottom:8px;font-size:14px;opacity:.9}
.footer a:hover{color:var(--gold)}

.fab{position:fixed;right:18px;bottom:18px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(37,211,102,.5);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.6)}70%{box-shadow:0 0 0 18px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

.reveal{opacity:0;transform:translateY(30px);transition:.7s}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media (max-width:960px){
  .hero{padding:120px 0 100px}
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero p{margin-inline:auto}
  .hero-btns,.hero-stats{justify-content:center}
  .why-grid{grid-template-columns:1fr}
  .fb-card{flex-direction:column;text-align:center}
  .quick-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .burger{display:flex}
  .lang{margin-left:auto;margin-right:6px}
  .menu-links{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:22px 0 28px;gap:18px;transform:translateY(-130%);transition:.35s;box-shadow:0 20px 30px rgba(66,0,7,.15)}
  .menu-links.open{transform:none}
}
@media (max-width:560px){
  .section{padding:64px 0}
  .brand img{height:48px}
  .btn{padding:13px 22px;font-size:14px}
  .hero-stats{gap:22px}
  .chip{width:78px;height:78px;border-width:4px}
  .badge-float{font-size:12px;padding:9px 12px}
  .foot-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .cat-card b{font-size:1.05rem}
  .cat-card .ov{padding:14px}
  .tile{width:210px;height:150px}
  .fb-card{padding:24px 18px}
  .cta-inner{text-align:center;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .marquee{overflow-x:auto}
}

/* Bangla typography */
html[lang=bn] body{line-height:1.7}
html[lang=bn] :is(h1,h2,h3,.hero-stats b,.step .num,.cover-tag,.cat-card b){font-family:'Hind Siliguri',sans-serif;font-weight:700;line-height:1.3}
html[lang=bn] .eyebrow,html[lang=bn] .cover-tag{letter-spacing:0;text-transform:none}
html[lang=bn] .pg h3{font-size:19px}

.fab .ic{width:32px;height:32px}
.ft-link{display:flex!important;align-items:center;gap:8px}
.wa-link .ic{color:#25D366}
.fb-link .ic{color:#4c9bff}
.pg.center-pg .wa-line{display:flex;align-items:center;justify-content:center;gap:6px;font-size:13px;opacity:1;color:#fff}
.wa-line .ic{color:#25D366}


/* Binder rings on the book spine */
.rings{position:absolute;top:0;left:0;width:0;height:100%;z-index:100;pointer-events:none;transition:transform .9s cubic-bezier(.45,.05,.25,1)}
.ring{position:absolute;left:-19px;width:38px;height:10px;border-radius:6px;background:linear-gradient(180deg,#fafafa,#a4aab0 55%,#dfe2e5);box-shadow:0 2px 4px rgba(0,0,0,.4),inset 0 0 0 1px rgba(0,0,0,.12)}
.book.mob .ring{left:-8px;width:26px}


/* copyright: one single line */
.copy{padding:18px 4%;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(233,217,212,.8);text-align:center}
.copy a{display:inline;margin:0;color:var(--gold);font-weight:600}
.copy a:hover{color:#fff}
.call-link .ic{color:var(--gold)}

/* CTA: text first, buttons below, stacked */
.cta-inner{flex-direction:column;justify-content:center;text-align:center;gap:22px}
.cta-btns{flex-direction:column;align-items:stretch;width:min(300px,100%)}
.cta-btns .btn{justify-content:center}

/* credit on the menu book cover (plain text, no links) */
.cover-sup{margin-top:4px;text-align:center;font-size:12px;line-height:1.55;color:rgba(255,255,255,.8)}
.cover-sup b{display:block;color:var(--gold);font-weight:600;letter-spacing:.3px}