/* Khoshroz Kitab Mahal Limited — storefront
   Editorial heritage: deep blue, beige, antique gold, geometric detail. */

:root{
  --ink:#14295C;          /* brand blue (matches the app) */
  --ink-deep:#0C1B42;
  --ink-soft:#2A4183;
  --beige:#EADFC8;
  --paper:#F6F1E6;
  --card:#FFFDF8;
  --gold:#A9823A;         /* text-safe antique gold on light */
  --gold-lt:#D9B868;      /* gold on dark */
  --gold-wash:#F3E7C9;
  --text:#1C2333;
  --muted:#5D6375;
  --rule:#DDD0B4;
  --sale:#9E2F23;
  --ok:#1E6B47;
  --radius:14px;
  --serif:"Noto Serif Bengali","Noto Serif",Georgia,"Times New Roman",serif;
  --sans:"Hind Siliguri",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --star:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%23A9823A' d='M10 0l2.4 4.2L17 3l-1.2 4.6L20 10l-4.2 2.4L17 17l-4.6-1.2L10 20l-2.4-4.2L3 17l1.2-4.6L0 10l4.2-2.4L3 3l4.6 1.2z'/%3E%3C/svg%3E");
  --girih:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='96' viewBox='0 0 96 96'%3E%3Cg fill='none' stroke='%23D9B868' stroke-width='1'%3E%3Cpath d='M48 8l11.3 16.4L78.6 20l-4.4 19.3L90 48l-15.8 8.7L78.6 76l-19.3-4.4L48 88 36.7 71.6 17.4 76l4.4-19.3L6 48l15.8-8.7L17.4 20l19.3 4.4z'/%3E%3Cpath d='M48 26l7 10 12-3-3 12 10 7-10 7 3 12-12-3-7 10-7-10-12 3 3-12-10-7 10-7-3-12 12 3z'/%3E%3Cpath d='M0 0l17.4 20M96 0L78.6 20M0 96l17.4-20M96 96L78.6 76'/%3E%3C/g%3E%3C/svg%3E");
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--paper);color:var(--text);font:400 16px/1.65 var(--sans);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--gold-lt);outline-offset:2px;border-radius:4px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{width:min(1240px,100% - 32px);margin-inline:auto}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.25;margin:0;color:var(--ink-deep)}
p{margin:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1.5px solid transparent;border-radius:999px;padding:12px 24px;font-weight:600;font-size:16px;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s;white-space:nowrap;line-height:1.2}
.btn svg{width:18px;height:18px}
.btn-gold{background:var(--gold-lt);color:var(--ink-deep)}
.btn-gold:hover{background:#E7C97E}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-deep)}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-ghost{border-color:rgba(234,223,200,.55);color:var(--beige);background:transparent}
.btn-ghost:hover{border-color:var(--gold-lt);color:var(--gold-lt)}
.btn-wa{background:#1F8F55;color:#fff}
.btn-wa:hover{background:#18744A}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.link{color:var(--ink);font-weight:600;border-bottom:1.5px solid var(--gold-lt)}
.link:hover{color:var(--gold)}

/* ---------- announcement + masthead ---------- */
.announce{background:var(--ink-deep);color:var(--beige);font-size:14px}
.announce .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.announce .msg{display:flex;align-items:center;gap:10px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.announce .msg::before{content:"";flex:none;width:12px;height:12px;background:var(--star) center/contain no-repeat;filter:brightness(1.4)}
.announce .right{display:flex;align-items:center;gap:18px;flex:none}
.announce a:hover{color:var(--gold-lt)}
.lang-switch{display:inline-flex;border:1px solid rgba(234,223,200,.35);border-radius:999px;overflow:hidden}
.lang-switch a{padding:2px 12px;font-size:13px}
.lang-switch a[aria-current]{background:var(--gold-lt);color:var(--ink-deep);font-weight:700}

.masthead{background:var(--card);border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:40}
.mast{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:28px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.logo-mark{width:54px;height:42px;flex:none}
.brand b{display:block;font-family:var(--serif);font-size:19px;line-height:1.2;color:var(--ink-deep)}
.brand small{display:block;font-size:13px;color:var(--muted);line-height:1.3}
.search{display:flex;align-items:center;background:var(--paper);border:1.5px solid var(--rule);border-radius:999px;padding:4px 4px 4px 18px;max-width:560px;width:100%;justify-self:center;transition:border-color .2s}
.search:focus-within{border-color:var(--ink)}
.search input{flex:1;min-width:0;border:0;background:transparent;outline:0;padding:8px 0;font-size:15px}
.search button{border:0;background:var(--ink);color:#fff;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;cursor:pointer}
.search button svg{width:18px;height:18px}
.tools{display:flex;align-items:center;gap:6px}
.tool{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;font-weight:600;font-size:15px;color:var(--ink);position:relative}
.tool:hover{background:var(--paper)}
.tool svg{width:22px;height:22px}
.tool-bag{background:var(--ink);color:#fff}
.tool-bag:hover{background:var(--ink-deep)}
.count{min-width:22px;height:22px;border-radius:999px;background:var(--gold-lt);color:var(--ink-deep);font-size:12px;font-weight:700;display:inline-grid;place-items:center;padding:0 6px}
.catnav{border-top:1px solid var(--rule)}
.catnav .wrap{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.catnav .wrap::-webkit-scrollbar{display:none}
.catnav a{flex:none;padding:10px 14px;font-size:15px;color:var(--muted);border-bottom:2px solid transparent}
.catnav a:hover{color:var(--ink)}
.catnav a[aria-current]{color:var(--ink);border-color:var(--gold-lt);font-weight:600}

/* ---------- flash ---------- */
.flash{margin:16px auto 0;padding:12px 16px;border-radius:10px;font-size:15px;border:1px solid}
.flash.ok{background:#EAF4EE;border-color:#B9D9C6;color:var(--ok)}
.flash.err{background:#FBEDEA;border-color:#EBC2BA;color:var(--sale)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink-deep);color:var(--beige);overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;background:var(--girih) 0 0/96px 96px;opacity:.09;z-index:-1}
.hero::after{content:"";position:absolute;inset:auto -10% -40% 40%;height:90%;background:radial-gradient(closest-side,rgba(42,65,131,.75),transparent);z-index:-1}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:56px;align-items:center;padding:72px 0 64px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--gold-lt);font-size:15px;font-weight:600}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--gold-lt)}
.numeral{display:block;font-family:var(--serif);font-weight:700;line-height:.9;font-size:clamp(108px,15vw,210px);color:transparent;-webkit-text-stroke:1.5px var(--gold-lt);margin:18px 0 6px;letter-spacing:.01em;opacity:.95}
.hero h1{color:#FFF8EA;font-size:clamp(32px,4.2vw,54px);max-width:19ch}
.hero .lead{font-size:clamp(17px,1.6vw,19px);color:rgba(234,223,200,.88);max-width:52ch;margin-top:18px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

.arch{position:relative;justify-self:center;width:min(380px,100%);padding:28px 28px 26px;text-align:center}
.arch::before,.arch::after{content:"";position:absolute;border:1px solid var(--gold-lt);border-radius:999px 999px 10px 10px;pointer-events:none}
.arch::before{inset:0}
.arch::after{inset:10px;opacity:.45}
.arch-inner{position:relative;border-radius:999px 999px 8px 8px;background:linear-gradient(180deg,rgba(234,223,200,.14),rgba(234,223,200,.04));padding:64px 34px 30px;overflow:hidden}
.arch-inner::before{content:"";position:absolute;top:24px;left:50%;width:22px;height:22px;margin-left:-11px;background:var(--star) center/contain no-repeat;filter:brightness(1.45)}
.arch .cover{display:block;width:72%;margin:0 auto;aspect-ratio:3/4;box-shadow:-10px 22px 40px -14px rgba(0,0,0,.6);border-radius:2px 6px 6px 2px;overflow:hidden;transition:transform .35s}
.arch .cover:hover{transform:translateY(-6px)}
.arch .cover img{width:100%;height:100%;object-fit:cover}
.arch .cap{margin-top:22px;font-size:15px;color:var(--gold-lt);font-weight:600}
.arch .t{font-family:var(--serif);font-size:20px;color:#FFF8EA;margin-top:4px}
.arch .a{font-size:14px;color:rgba(234,223,200,.75)}

.promises{border-top:1px solid rgba(217,184,104,.25);background:rgba(0,0,0,.18)}
.promises .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.promise{display:flex;gap:12px;align-items:center;padding:18px 18px}
.promise+.promise{border-left:1px solid rgba(217,184,104,.2)}
.promise svg{width:28px;height:28px;flex:none;color:var(--gold-lt)}
.promise b{display:block;font-size:15px;color:#FFF8EA;line-height:1.3}
.promise span{font-size:13px;color:rgba(234,223,200,.75)}

/* ---------- sections ---------- */
.sec{padding:72px 0}
.sec.tight{padding:48px 0}
.sec.white{background:var(--card)}
.sec.beige{background:var(--beige)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.sec-head h2{font-size:clamp(26px,3vw,36px)}
.sec-head p{color:var(--muted);margin-top:6px}
.sec-head .orn{display:block;width:44px;height:12px;margin-bottom:12px;background:linear-gradient(var(--gold),var(--gold)) 0 50%/16px 1px no-repeat,linear-gradient(var(--gold),var(--gold)) 100% 50%/16px 1px no-repeat,var(--star) 50% 50%/12px 12px no-repeat}

/* ---------- book card ---------- */
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);padding:12px 12px 14px;position:relative;transition:box-shadow .25s,transform .25s}
.card:hover{box-shadow:0 18px 36px -24px rgba(12,27,66,.45);transform:translateY(-2px)}
.card .plate{display:block;position:relative;background:var(--beige);border-radius:10px;padding:16px 18px;aspect-ratio:4/5}
.card .plate img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(-6px 10px 12px rgba(12,27,66,.28))}
.badge{position:absolute;top:10px;left:10px;background:var(--ink);color:var(--gold-lt);font-size:12px;font-weight:700;border-radius:999px;padding:3px 10px;line-height:1.5}
.badge.out{background:#E7E1D4;color:var(--muted);left:auto;right:10px}
.card h3{font-size:16.5px;line-height:1.4;margin-top:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.8em}
.card h3 a:hover{color:var(--ink-soft)}
.card .au{font-size:13.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px;min-height:1.6em}
.price{display:flex;align-items:baseline;gap:8px;margin-top:8px;flex-wrap:wrap}
.price b{font-size:18px;color:var(--ink-deep)}
.price s{font-size:14px;color:var(--muted)}
.card form{margin-top:auto;padding-top:12px}
.add{width:100%;border:1.5px solid var(--ink);background:transparent;color:var(--ink);border-radius:999px;padding:9px 12px;font-weight:600;font-size:15px;cursor:pointer;transition:background .2s,color .2s}
.add:hover{background:var(--ink);color:#fff}
.add.done{background:var(--ink);color:#fff}
.add[disabled]{border-color:var(--rule);color:var(--muted);cursor:not-allowed;background:transparent}

.mobile-more{display:none}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:18px}

/* shelves */
.shelf{position:relative}
.track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(190px,214px);gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 18px;scrollbar-width:thin;scrollbar-color:var(--rule) transparent}
.track>*{scroll-snap-align:start}
.arrows{display:flex;gap:8px}
.arrows button{width:42px;height:42px;border-radius:50%;border:1.5px solid var(--ink);background:transparent;color:var(--ink);display:grid;place-items:center;cursor:pointer}
.arrows button:hover{background:var(--ink);color:#fff}
.arrows svg{width:18px;height:18px}

/* ---------- feature: Bhai Girish Chandra Sen ---------- */
.feature{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:64px;align-items:center}
.feature .arch{width:min(360px,100%)}
.feature .arch::before,.feature .arch::after{border-color:var(--gold)}
.feature .arch-inner{background:var(--beige)}
.feature .arch-inner::before{filter:none}
.feature .kicker{color:var(--gold);font-weight:600;font-size:15px}
.feature h2{font-size:clamp(30px,3.6vw,44px);margin-top:8px}
.feature .sub{font-family:var(--serif);font-size:19px;color:var(--ink-soft);margin-top:8px}
.feature .body{margin-top:18px;color:var(--text);max-width:60ch;font-size:17px}
.feature .body p+p{margin-top:12px}
.pull{margin-top:26px;padding:18px 22px;border-left:3px solid var(--gold-lt);background:var(--paper);border-radius:0 10px 10px 0}
.pull b{display:block;font-family:var(--serif);color:var(--ink-deep);font-size:17px}
.pull span{font-size:14px;color:var(--muted)}

/* ---------- subjects ---------- */
.subjects{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden}
.subject{background:var(--card);padding:26px 24px;display:flex;flex-direction:column;gap:4px;position:relative;transition:background .2s;box-shadow:1px 0 0 var(--rule),0 1px 0 var(--rule)}
.subject:hover{background:var(--paper)}
.subject b{font-family:var(--serif);font-size:22px;color:var(--ink-deep)}
.subject span{color:var(--muted);font-size:14px}
.subject::after{content:"";position:absolute;right:22px;top:28px;width:14px;height:14px;background:var(--star) center/contain no-repeat;opacity:.55;transition:transform .3s}
.subject:hover::after{transform:rotate(45deg);opacity:1}

/* ---------- legacy ---------- */
.legacy{background:var(--ink-deep);color:var(--beige);position:relative;isolation:isolate;overflow:hidden}
.legacy::before{content:"";position:absolute;inset:0;background:var(--girih) 48px 48px/96px 96px;opacity:.06;z-index:-1}
.legacy h2{color:#FFF8EA}
.legacy .sec-head p{color:rgba(234,223,200,.8)}
.legacy .sec-head .orn{filter:brightness(1.5)}
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;counter-reset:t;margin-top:12px}
.stop{padding:26px 26px 6px 0;border-top:1px solid rgba(217,184,104,.45);position:relative}
.stop::before{content:"";position:absolute;top:-7px;left:0;width:13px;height:13px;background:var(--star) center/contain no-repeat;filter:brightness(1.5)}
.stop b{display:block;font-family:var(--serif);font-size:30px;color:var(--gold-lt);line-height:1.2}
.stop h3{color:#FFF8EA;font-size:18px;margin-top:6px}
.stop p{font-size:15px;color:rgba(234,223,200,.8);margin-top:8px;max-width:32ch}
.legacy-quote{margin-top:44px;display:flex;align-items:center;gap:20px;color:rgba(234,223,200,.85)}
.legacy-quote::before{content:"";flex:none;width:56px;height:1px;background:var(--gold-lt)}

/* authors */
.authors{display:flex;flex-wrap:wrap;gap:10px}
.authors a{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--rule);background:var(--card);border-radius:999px;padding:6px 16px 6px 6px;font-size:15px}
.authors a:hover{border-color:var(--ink)}
.authors i{width:32px;height:32px;border-radius:50%;background:var(--beige);color:var(--ink);display:grid;place-items:center;font-style:normal;font-family:var(--serif);font-weight:700}
.authors em{font-style:normal;font-size:13px;color:var(--muted)}

/* faq */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--rule);padding:4px 0}
.faq summary{list-style:none;cursor:pointer;padding:16px 36px 16px 0;font-family:var(--serif);font-size:18px;color:var(--ink-deep);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:24px;width:12px;height:12px;border-right:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(225deg);top:30px}
.faq details p{padding:0 0 18px;color:var(--muted);max-width:70ch}

/* ---------- footer ---------- */
.foot{background:var(--ink-deep);color:rgba(234,223,200,.85);padding:64px 0 24px;margin-top:0;position:relative}
.foot::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,transparent,var(--gold-lt) 20%,var(--gold-lt) 80%,transparent)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot .brand{color:var(--beige)}
.foot .brand b{color:#FFF8EA}
.foot .brand small{color:rgba(234,223,200,.7)}
.foot h4{font-family:var(--serif);color:var(--gold-lt);font-size:16px;margin:0 0 14px;font-weight:600}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:15px}
.foot a:hover{color:var(--gold-lt)}
.foot .about{margin-top:16px;font-size:15px;max-width:38ch}
.foot-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(217,184,104,.2);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:rgba(234,223,200,.6)}

.wa-float{position:fixed;right:18px;bottom:18px;width:56px;height:56px;border-radius:50%;background:#1F8F55;color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px -8px rgba(0,0,0,.45);z-index:50}
.wa-float svg{width:28px;height:28px}

/* ---------- page heads ---------- */
.page-head{background:var(--ink-deep);color:var(--beige);position:relative;isolation:isolate;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background:var(--girih) 0 0/96px 96px;opacity:.08;z-index:-1}
.page-head .wrap{padding:40px 0 36px}
.page-head h1{color:#FFF8EA;font-size:clamp(28px,3.4vw,40px)}
.page-head p{color:rgba(234,223,200,.8);margin-top:6px}
.crumbs{font-size:14px;color:rgba(234,223,200,.7);margin-bottom:10px}
.crumbs a:hover{color:var(--gold-lt)}

/* ---------- shop ---------- */
.shop{display:grid;grid-template-columns:250px minmax(0,1fr);gap:32px;align-items:start;padding:40px 0 72px}
.filters{position:sticky;top:150px;background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);padding:20px}
.filters h3{font-family:var(--sans);font-size:15px;font-weight:700;color:var(--ink-deep);margin:0 0 10px}
.filters ul{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:2px}
.filters li a{display:flex;justify-content:space-between;gap:8px;padding:7px 10px;border-radius:8px;font-size:15px;color:var(--muted)}
.filters li a:hover{background:var(--paper);color:var(--ink)}
.filters li a[aria-current]{background:var(--ink);color:#fff}
.check{display:flex;align-items:center;gap:10px;font-size:15px;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--ink)}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.toolbar .info{color:var(--muted)}
.select{border:1.5px solid var(--rule);background:var(--card);border-radius:999px;padding:8px 14px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--beige);border-radius:999px;padding:4px 12px;font-size:14px}
.chip:hover{background:var(--gold-wash)}
.pager{display:flex;gap:6px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.pager a,.pager span{min-width:42px;height:42px;display:grid;place-items:center;border-radius:999px;border:1px solid var(--rule);background:var(--card);padding:0 12px}
.pager a:hover{border-color:var(--ink)}
.pager [aria-current]{background:var(--ink);color:#fff;border-color:var(--ink)}
.empty{text-align:center;padding:64px 16px;color:var(--muted)}
.empty h2{font-size:24px;margin-bottom:8px}
.filter-toggle{display:none}

/* ---------- book page ---------- */
.book{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:56px;padding:48px 0 24px;align-items:start}
.gallery{position:sticky;top:150px}
.gallery .main{background:var(--beige);border-radius:18px;padding:40px;aspect-ratio:1/1;display:grid;place-items:center;position:relative;overflow:hidden}
.gallery .main::before{content:"";position:absolute;inset:14px;border:1px solid rgba(169,130,58,.45);border-radius:999px 999px 10px 10px}
.gallery .main img{position:absolute;inset:40px;width:calc(100% - 80px);height:calc(100% - 80px);object-fit:contain;filter:drop-shadow(-12px 20px 22px rgba(12,27,66,.32))}
.thumbs{display:flex;gap:10px;margin-top:12px}
.thumbs button{width:72px;height:88px;border:1.5px solid var(--rule);border-radius:10px;background:var(--card);padding:6px;cursor:pointer}
.thumbs button[aria-current]{border-color:var(--ink)}
.thumbs img{width:100%;height:100%;object-fit:contain}
.book .cats{display:flex;gap:8px;flex-wrap:wrap}
.book .cats a{font-size:14px;color:var(--gold);font-weight:600}
.book h1{font-size:clamp(28px,3.4vw,42px);margin-top:10px}
.book .by{margin-top:8px;font-size:17px;color:var(--muted)}
.book .by a{color:var(--ink);font-weight:600}
.buy{margin-top:24px;padding:22px;background:var(--card);border:1px solid var(--rule);border-radius:var(--radius)}
.buy .price b{font-size:30px}
.buy .price s{font-size:18px}
.save{display:inline-block;margin-left:4px;background:var(--gold-wash);color:var(--gold);font-weight:700;font-size:13px;border-radius:999px;padding:2px 10px}
.stock{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:15px}
.stock::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--ok)}
.stock.no{color:var(--sale)}
.stock.no::before{background:var(--sale)}
.qty-row{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--rule);border-radius:999px;background:var(--paper)}
.qty button{width:40px;height:44px;border:0;background:transparent;font-size:20px;cursor:pointer;color:var(--ink)}
.qty input{width:44px;border:0;background:transparent;text-align:center;font-weight:700;-moz-appearance:textfield}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none}
.qty-row .btn{flex:1;min-width:180px}
.qty-row .add{padding:12px 24px;font-size:16px}
.meta-list{display:grid;gap:4px;margin-top:16px;font-size:15px;color:var(--muted)}
.specs{margin-top:28px;border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden;background:var(--card)}
.specs div{display:grid;grid-template-columns:150px 1fr;gap:12px;padding:11px 18px;font-size:15px}
.specs div:nth-child(odd){background:var(--paper)}
.specs dt{color:var(--muted)}
.specs dd{margin:0;color:var(--text)}
.prose{max-width:68ch;font-size:17px}
.prose p+p{margin-top:14px}
.prose h2{font-size:24px;margin:36px 0 14px}
.hl{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.hl li{position:relative;padding-left:26px}
.hl li::before{content:"";position:absolute;left:0;top:.45em;width:13px;height:13px;background:var(--star) center/contain no-repeat}

/* ---------- forms / bag / checkout ---------- */
.two{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);gap:32px;align-items:start;padding:40px 0 72px}
.panel{background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);padding:24px}
.panel h2{font-size:22px;margin-bottom:16px}
.line{display:grid;grid-template-columns:72px minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--rule)}
.line:first-child{padding-top:0}
.line .thumb{background:var(--beige);border-radius:8px;padding:6px;aspect-ratio:3/4}
.line .thumb img{width:100%;height:100%;object-fit:contain}
.line h3{font-size:16px;line-height:1.4}
.line .au{font-size:13.5px;color:var(--muted)}
.line .lp{text-align:right;font-weight:700;color:var(--ink-deep)}
.line .controls{display:flex;align-items:center;gap:12px;margin-top:8px;flex-wrap:wrap}
.line .qty button{width:34px;height:36px}
.line .qty input{width:36px}
.remove{border:0;background:none;color:var(--muted);font-size:14px;text-decoration:underline;cursor:pointer;padding:0}
.remove:hover{color:var(--sale)}
.sum{display:grid;gap:10px;font-size:15.5px}
.sum div{display:flex;justify-content:space-between;gap:12px}
.sum .muted{color:var(--muted)}
.sum .total{border-top:1px solid var(--rule);padding-top:12px;margin-top:4px;font-size:19px;font-weight:700;color:var(--ink-deep)}
.free-meter{margin:16px 0 4px;font-size:14px;color:var(--muted)}
.free-meter .bar{height:6px;border-radius:999px;background:var(--beige);overflow:hidden;margin-top:6px}
.free-meter .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold-lt))}
.note{font-size:14px;color:var(--muted)}
.field{display:grid;gap:6px;margin-bottom:14px}
.field label{font-weight:600;font-size:15px;color:var(--ink-deep)}
.field label small{font-weight:400;color:var(--muted)}
.input{width:100%;border:1.5px solid var(--rule);background:#fff;border-radius:10px;padding:11px 14px;font-size:16px;outline:0;transition:border-color .2s}
.input:focus{border-color:var(--ink)}
textarea.input{min-height:90px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.err-text{color:var(--sale);font-size:14px}
.pay-opts{display:grid;gap:10px}
.pay-opt{display:flex;gap:12px;align-items:flex-start;border:1.5px solid var(--rule);border-radius:12px;padding:14px;cursor:pointer;background:#fff}
.pay-opt:has(input:checked){border-color:var(--ink);background:var(--paper)}
.pay-opt input{margin-top:5px;accent-color:var(--ink);width:18px;height:18px}
.pay-opt b{display:block}
.pay-opt span{font-size:14px;color:var(--muted)}
.pay-ref{display:none;margin-top:10px}
.pay-opt:has(input:checked) .pay-ref{display:block}
.auth{max-width:460px;margin:48px auto 72px}
.auth .panel{padding:32px}
.auth h1{font-size:30px;margin-bottom:6px}
.auth p.sub{color:var(--muted);margin-bottom:22px}
.auth .alt{margin-top:18px;text-align:center;color:var(--muted);font-size:15px}

/* order / invoice */
.thanks{text-align:center;padding:48px 0 24px}
.thanks .seal{width:72px;height:72px;margin:0 auto 16px;background:var(--star) center/contain no-repeat}
.thanks h1{font-size:clamp(28px,3.4vw,40px)}
.thanks p{color:var(--muted);margin-top:8px}
.invoice{max-width:860px;margin:24px auto 72px;background:#fff;border:1px solid var(--rule);border-radius:var(--radius);padding:36px;position:relative}
.invoice::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;border-radius:var(--radius) var(--radius) 0 0;background:var(--ink)}
.inv-head{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--rule)}
.inv-head .no{font-family:var(--serif);font-size:24px;color:var(--ink-deep)}
.inv-meta{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--rule);font-size:15px}
.inv-meta h4{margin:0 0 6px;font-size:14px;color:var(--muted);font-weight:600}
.inv-table{width:100%;border-collapse:collapse;margin-top:18px;font-size:15px}
.inv-table th{text-align:left;font-size:13px;color:var(--muted);font-weight:600;padding:8px 6px;border-bottom:1px solid var(--rule)}
.inv-table td{padding:10px 6px;border-bottom:1px solid #EFE7D5;vertical-align:top}
.inv-table .r{text-align:right;white-space:nowrap}
.inv-sum{margin:18px 0 0 auto;max-width:320px}
.pill{display:inline-block;border-radius:999px;padding:3px 12px;font-size:13px;font-weight:700}
.pill.new{background:#E8EDFA;color:var(--ink)}
.pill.confirmed{background:var(--gold-wash);color:#7A5B1F}
.pill.shipped{background:#E6F0F6;color:#1D5A7A}
.pill.delivered{background:#E4F2EA;color:var(--ok)}
.pill.cancelled{background:#F6E6E3;color:var(--sale)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);margin:22px 0 8px;counter-reset:s}
.steps li{list-style:none;text-align:center;font-size:14px;color:var(--muted);position:relative;padding-top:26px}
.steps li::before{content:"";position:absolute;top:6px;left:50%;width:14px;height:14px;margin-left:-7px;border-radius:50%;background:var(--rule)}
.steps li::after{content:"";position:absolute;top:12px;left:calc(50% + 10px);right:calc(-50% + 10px);height:2px;background:var(--rule)}
.steps li:last-child::after{display:none}
.steps li.on{color:var(--ink-deep);font-weight:600}
.steps li.on::before{background:var(--gold)}
.steps li.on::after{background:var(--gold)}
.steps ol{padding:0}

.account-grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px;padding:40px 0 72px;align-items:start}
.side-nav{display:grid;gap:4px}
.side-nav a{padding:10px 14px;border-radius:10px;color:var(--muted)}
.side-nav a:hover{background:var(--card);color:var(--ink)}
.side-nav a[aria-current]{background:var(--ink);color:#fff}
.orders-list{display:grid;gap:12px}
.order-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;background:var(--card);border:1px solid var(--rule);border-radius:12px;padding:16px 18px}
.order-row b{font-family:var(--serif);color:var(--ink-deep)}
.order-row span{font-size:14px;color:var(--muted)}

.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink-deep);color:#fff;padding:12px 20px;border-radius:999px;font-size:15px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:60;display:flex;gap:10px;align-items:center;box-shadow:0 12px 30px -10px rgba(0,0,0,.45)}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast a{color:var(--gold-lt);font-weight:700}

/* ---------- two websites: Bangladesh (৳) and global ($) ---------- */
.site-switch{display:inline-flex;border:1px solid rgba(234,223,200,.35);border-radius:999px;overflow:hidden;font-size:13px}
.site-switch > *{display:inline-flex;align-items:center;gap:6px;padding:2px 12px;white-space:nowrap}
.site-switch b{font-weight:700;color:var(--gold-lt)}
.site-switch [aria-current]{background:var(--gold-lt);color:var(--ink-deep);font-weight:700}
.site-switch [aria-current] b{color:var(--ink-deep)}
.site-switch a:hover{background:rgba(217,184,104,.18)}
.price .na{font-size:14px;color:var(--muted);font-weight:600}
a.add{display:block;text-align:center}
.add.amazon{border-color:#B9771B;color:#7A4E10}
.add.amazon:hover{background:#B9771B;color:#fff}

/* ---------- eBooks ---------- */
.ebook-hero{position:relative;background:var(--ink-deep);color:var(--beige);overflow:hidden;isolation:isolate}
.ebook-hero::before{content:"";position:absolute;inset:0;background:var(--girih) 0 0/96px 96px;opacity:.09;z-index:-1}
.ebook-hero .wrap{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:40px;align-items:center;padding:56px 0}
.ebook-hero h1{color:#FFF8EA;font-size:clamp(30px,4vw,46px);margin:12px 0 10px}
.ebook-hero p{max-width:560px;color:var(--beige)}
.ebook-points{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.ebook-points li{display:flex;gap:12px;align-items:flex-start;background:rgba(255,255,255,.05);border:1px solid rgba(217,184,104,.25);border-radius:12px;padding:14px 16px}
.ebook-points li::before{content:"";flex:none;width:14px;height:14px;margin-top:5px;background:var(--star) center/contain no-repeat;filter:brightness(1.4)}
.sub-ok{display:inline-block;margin-top:18px;background:rgba(217,184,104,.15);border:1px solid var(--gold-lt);color:var(--gold-lt);border-radius:999px;padding:8px 16px;font-weight:600}
.sub-ok.dark{background:#EAF4EE;border-color:#B9D9C6;color:var(--ok);margin-top:0}
.ebook-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
.ebook-card{display:flex;flex-direction:column;gap:4px;background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);padding:10px 10px 14px;transition:box-shadow .25s,transform .25s}
.ebook-card:hover{box-shadow:0 18px 36px -24px rgba(12,27,66,.45);transform:translateY(-2px)}
.ebook-card .plate{position:relative;display:block;background:var(--beige);border-radius:10px;padding:14px;aspect-ratio:4/5;margin-bottom:8px}
.ebook-card .plate img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(-6px 10px 12px rgba(12,27,66,.28))}
.ebook-card b{font-family:var(--serif);font-size:16px;line-height:1.4;color:var(--ink-deep);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ebook-card .au{font-size:13.5px;color:var(--muted)}
.badge.free{background:var(--ok);color:#fff}
.tag-ebook{display:inline-block;background:var(--ink);color:var(--gold-lt);border-radius:999px;padding:2px 12px;font-size:13px;font-weight:700}
.tag-ebook.free{background:var(--ok);color:#fff}
.eb-promo{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;background:var(--ink-deep);color:var(--beige);border-radius:var(--radius);padding:22px 26px;position:relative;overflow:hidden;isolation:isolate}
.eb-promo::before{content:"";position:absolute;inset:0;background:var(--girih) 0 0/96px 96px;opacity:.08;z-index:-1}
.eb-promo .eb-icon{width:56px;height:56px;border-radius:14px;background:rgba(217,184,104,.15);color:var(--gold-lt);display:grid;place-items:center}
.eb-promo .eb-icon svg{width:30px;height:30px}
.eb-promo b{display:block;font-family:var(--serif);font-size:21px;color:#FFF8EA}
.eb-promo em{font-style:normal;color:var(--beige)}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:18px}
.plan h2{margin-bottom:4px}
.plan-len{color:var(--muted);margin:0 0 14px}
.plan-price{display:flex;align-items:baseline;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.plan-price b{font-size:30px;color:var(--ink-deep);font-family:var(--serif)}
.plan-price span{font-size:16px;color:var(--muted)}
.plan form + .manual,.plan .manual{margin-top:12px}
.manual summary{list-style:none;cursor:pointer}
.manual summary::-webkit-details-marker{display:none}
.manual[open] summary{background:var(--ink);color:#fff}
.manual-form{margin-top:14px;border-top:1px solid var(--rule);padding-top:14px}
.steps-list{margin:0 0 14px;padding-left:20px;display:grid;gap:8px}
.steps-list ul{margin:6px 0 0;padding-left:16px}
@media (max-width:920px){
  .ebook-hero .wrap{grid-template-columns:1fr;padding:40px 0;gap:24px}
  .eb-promo{grid-template-columns:auto 1fr}
  .eb-promo .btn{grid-column:1/-1;justify-self:start}
}
@media (max-width:600px){
  .site-switch .ss-name{display:none}
  .site-switch > *{padding:2px 9px}
  .tool-eb{display:none}
  .ebook-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .foot-grid{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr 1fr;row-gap:28px}
}
@media (max-width:920px){
  .mast{grid-template-columns:1fr auto;gap:12px}
  .search{grid-column:1/-1;grid-row:2;max-width:none}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding:44px 0 40px}
  .arch{width:min(320px,100%)}
  .promises .wrap{grid-template-columns:1fr 1fr}
  .promise:nth-child(3){border-left:0}
  .promise:nth-child(n+3){border-top:1px solid rgba(217,184,104,.2)}
  .feature{grid-template-columns:1fr;gap:28px}
  .shop{grid-template-columns:1fr}
  .filters{position:static;display:none}
  .filters.open{display:block}
  .filter-toggle{display:inline-flex}
  .book{grid-template-columns:1fr;gap:28px;padding-top:28px}
  .gallery{position:static}
  .two{grid-template-columns:1fr}
  .account-grid{grid-template-columns:1fr}
  .side-nav{grid-auto-flow:column;overflow-x:auto}
}
@media (max-width:600px){
  body{font-size:15.5px}
  .announce .wrap{flex-wrap:wrap;row-gap:4px;padding-top:6px;padding-bottom:6px;justify-content:center}
  .announce .msg{font-size:13px;flex:1 1 100%;white-space:normal;justify-content:center;text-align:center;line-height:1.4}
  .announce .right{gap:10px}
  .announce .right .hot{display:none}
  .brand b{font-size:16px}
  .brand small{display:none}
  .logo-mark{width:44px;height:34px}
  .tool span.lbl{display:none}
  .tool{padding:9px 10px}
  .sec{padding:52px 0}
  .sec-head{flex-direction:column;align-items:flex-start}
  .sec-head .arrows{display:none}
  .mobile-more{display:block}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .track{grid-auto-columns:minmax(160px,46%)}
  .card{padding:8px 8px 10px}
  .card .plate{padding:10px 12px}
  .card h3{font-size:15px}
  .add{font-size:14px;padding:8px 6px}
  .promise{padding:14px 10px;gap:8px}
  .promise svg{width:22px;height:22px}
  .timeline{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .specs div{grid-template-columns:110px 1fr;padding:10px 14px}
  .gallery .main img{inset:24px;width:calc(100% - 48px);height:calc(100% - 48px)}
  .masthead{position:relative}
  .filters,.gallery{top:0}
  .invoice{padding:22px 16px}
  .inv-meta{grid-template-columns:1fr}
  .line{grid-template-columns:60px minmax(0,1fr)}
  .line .lp{grid-column:2;text-align:left}
}
@media print{
  .announce,.masthead,.foot,.wa-float,.no-print,.thanks{display:none!important}
  body{background:#fff}
  .invoice{border:0;margin:0;max-width:none;padding:0}
}