:root{--cream:#fbf8f1;--paper:#f6f1e8;--white:#fff;--ink:#111827;--muted:#687386;--navy:#07182d;--navy2:#102744;--blue:#173a60;--ox:#9c1f25;--oxd:#74161b;--gold:#c49a2c;--goldsoft:#ead8a6;--tint:#faf3e0;--line:rgba(17,24,39,.13);--sh:0 2px 10px rgba(7,24,45,.08);--shl:0 24px 70px rgba(7,24,45,.16);--r:10px;--head:'Libre Baskerville',Georgia,'Times New Roman',serif;--body:Inter,system-ui,-apple-system,'Segoe UI',sans-serif;--maxw:1320px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.ls-store{margin:0;background:var(--cream);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
.ls-store a{color:inherit;text-decoration:none}
.ls-store button{font:inherit;cursor:pointer}
.ls-store h1,.ls-store h2,.ls-store h3{font-family:var(--head);margin:0;line-height:1.2;color:var(--navy)}
.ic{width:20px;height:20px;flex:none;fill:none;stroke:currentColor}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px 56px}
.h2{font-size:24px;margin:0 0 4px}

/* bar */
.announce{background:var(--navy);color:var(--goldsoft);text-align:center;font-size:12.5px;letter-spacing:.02em;padding:7px 12px}
.top{position:sticky;top:0;z-index:50;background:var(--white);border-bottom:1px solid var(--line);box-shadow:var(--sh)}
.top__in{max-width:var(--maxw);margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand img{width:44px;height:44px;object-fit:contain;border-radius:8px}
.brand span{display:flex;flex-direction:column;line-height:1.1}
.brand strong{font-family:var(--head);font-size:17px;color:var(--navy)}
.brand em{font-style:normal;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ox)}
.search{position:relative;flex:1;max-width:640px;display:flex;align-items:center}
.search .ic{position:absolute;left:14px;color:var(--muted)}
.search input{width:100%;padding:12px 16px 12px 44px;border:1px solid var(--line);border-radius:var(--r);background:var(--cream);font:inherit;color:var(--ink)}
.search input:focus{outline:2px solid var(--navy2);background:var(--white)}
.suggest{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--white);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shl);overflow:hidden;z-index:60}
.suggest a{display:block;padding:10px 14px;border-bottom:1px solid var(--line)}
.suggest a:last-child{border:0}
.suggest a:hover,.suggest a.is-hi{background:var(--tint)}
.suggest strong{display:block;font-size:14px}
.suggest span{font-size:12px;color:var(--muted)}
.savedbtn{margin-left:auto;display:flex;align-items:center;gap:8px;background:none;border:1px solid var(--line);border-radius:var(--r);padding:9px 14px;color:var(--navy);font-weight:600}
.savedbtn:hover{border-color:var(--ox);color:var(--ox)}
.savedbtn b{background:var(--ox);color:#fff;border-radius:99px;font-size:11px;min-width:20px;height:20px;display:grid;place-items:center;padding:0 5px}
.backlink{display:flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:var(--muted);flex:none}
.backlink:hover{color:var(--ox)}
.catbar{max-width:var(--maxw);margin:0 auto;padding:0 20px;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;border-top:1px solid var(--line)}
.catbar::-webkit-scrollbar{display:none}
.catbar a{white-space:nowrap;padding:11px 12px;font-size:13.5px;font-weight:500;color:var(--ink);border-bottom:2px solid transparent}
.catbar a:hover{color:var(--ox)}
.catbar a.is-active{color:var(--ox);border-color:var(--ox);font-weight:600}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:var(--r);border:1px solid transparent;font-weight:600;font-size:14px;text-align:center;transition:background .15s,border-color .15s,color .15s}
.btn .ic{width:15px;height:15px}
.btn--primary{background:var(--ox);color:#fff!important}.btn--primary:hover{background:var(--oxd)}
.btn--navy{background:var(--navy);color:#fff!important}.btn--navy:hover{background:var(--navy2)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--navy)!important}.btn--ghost:hover{border-color:var(--ox);color:var(--ox)!important}
.hero .btn--ghost{border-color:rgba(255,255,255,.35);color:#fff!important}.hero .btn--ghost:hover{border-color:var(--goldsoft);color:var(--goldsoft)!important}
.btn--buy{width:100%;background:var(--ox);color:#fff!important;font-size:13px;padding:10px 12px}.btn--buy:hover{background:var(--oxd)}
.btn--lg{padding:14px 24px;font-size:15px}
.iconbtn{display:grid;place-items:center;width:38px;height:38px;border-radius:var(--r);border:1px solid var(--line);background:var(--white);color:var(--navy)}
.iconbtn:hover{border-color:var(--ox);color:var(--ox)}
.linkbtn{background:none;border:0;color:var(--ox);font-weight:600;font-size:13px;padding:4px 0}

/* hero */
.hero{margin-top:22px;display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;padding:48px 52px;border-radius:16px;color:#fff;background:radial-gradient(900px 400px at 85% 10%,rgba(196,154,44,.22),transparent 60%),linear-gradient(135deg,var(--navy),var(--navy2) 60%,#2a1620);border-bottom:4px solid var(--gold);overflow:hidden}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--goldsoft)}
.hero h1{color:#fff;font-size:44px;margin:12px 0 14px}
.hero p{color:#d6deea;font-size:16.5px;max-width:52ch;margin:0 0 24px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap}
.trust{display:flex;gap:28px;list-style:none;margin:30px 0 0;padding:0;color:#b6c2d4;font-size:13px}
.trust strong{display:block;font-family:var(--head);font-size:26px;color:var(--goldsoft)}
.hero__art{position:relative;height:340px}
.stack{position:absolute;width:180px;filter:drop-shadow(0 18px 24px rgba(0,0,0,.4))}
.stack--0{left:6%;top:30px;transform:rotate(-8deg)}
.stack--1{left:34%;top:0;transform:rotate(2deg);z-index:2}
.stack--2{left:62%;top:44px;transform:rotate(10deg)}

/* covers */
.cv{position:relative;display:flex;flex-direction:column;justify-content:flex-end;aspect-ratio:2/3;width:100%;padding:14% 10% 10% 16%;overflow:hidden;color:#fff;border-radius:4px 8px 8px 4px;background:linear-gradient(155deg,var(--c1,#07182d),var(--c2,#102744))}
.cv__spine{position:absolute;left:0;top:0;bottom:0;width:7%;background:rgba(0,0,0,.28);box-shadow:inset -2px 0 0 rgba(255,255,255,.12)}
.cv__ic{position:absolute;right:8%;top:7%;width:34%;height:auto;aspect-ratio:1;opacity:.22;stroke-width:1.2}
.cv__pub{position:absolute;left:16%;top:8%;font-size:clamp(7px,1.6cqw,10px);font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--goldsoft);max-width:55%;line-height:1.3}
.cv__t{font-family:var(--head);font-size:clamp(11px,6.4cqw,19px);line-height:1.2;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden;color:#fff}
.cv__a{font-style:normal;font-size:clamp(8px,4.2cqw,12px);margin-top:8px;color:var(--goldsoft);border-top:1px solid rgba(255,255,255,.25);padding-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cv img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#fff;z-index:3;opacity:0;transition:opacity .25s}.cv img.ok{opacity:1}
.bk__cv,.pdp__cv,.stack{container-type:inline-size}
.k-constitution-public-law{--c1:#0b2a4a;--c2:#1d4a78}
.k-civil-personal-laws{--c1:#74161b;--c2:#a8323a}
.k-criminal-law{--c1:#1b2330;--c2:#3b4757}
.k-business-commercial-economic-laws{--c1:#0f4034;--c2:#1b6b55}
.k-intellectual-property-technology-law{--c1:#0c4352;--c2:#17788f}
.k-international-human-rights-environment{--c1:#34441c;--c2:#5a7330}
.k-jurisprudence-legal-theory{--c1:#5a3a10;--c2:#9a6a1f}
.k-legal-drafting-practice{--c1:#3a2c22;--c2:#6a5240}
.k-exam-prep-judiciary-clat{--c1:#7a5200;--c2:#c49a2c}
.k-bare-acts{--c1:#07182d;--c2:#183456}

/* tiles */
.tiles{margin-top:42px}
.tiles__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:16px}
.tile{display:flex;flex-direction:column;gap:6px;padding:18px;border-radius:12px;color:#fff;background:linear-gradient(155deg,var(--c1),var(--c2));box-shadow:var(--sh);transition:transform .18s,box-shadow .18s;min-height:128px}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shl)}
.tile__ic{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.16);display:grid;place-items:center;margin-bottom:auto}
.tile strong{font-size:14.5px;line-height:1.25;color:#fff}
.tile em{font-style:normal;font-size:12px;color:var(--goldsoft)}

/* rails */
.rail-sec{margin-top:44px}
.rail-sec__head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:16px}
.rail-sec__head p{margin:2px 0 0;color:var(--muted);font-size:14px}
.rail-sec__act{display:flex;align-items:center;gap:8px;flex:none}
.rail-sec__act>a{font-weight:600;font-size:13.5px;color:var(--ox);margin-right:6px}
.rail{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x proximity;padding:4px 2px 14px;scrollbar-width:thin}
.bk--rail{flex:0 0 200px;scroll-snap-align:start}

/* cards */
.bk{position:relative;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh);transition:box-shadow .2s,transform .2s}
.bk:hover{box-shadow:0 12px 30px rgba(7,24,45,.15);transform:translateY(-3px)}
.bk[hidden],.bk.is-off{display:none}
.bk__media{position:relative;padding:16px 16px 6px;background:linear-gradient(180deg,var(--paper),var(--white));border-radius:12px 12px 0 0}
.bk__cv{display:block;width:78%;margin:0 auto;box-shadow:0 10px 20px rgba(7,24,45,.25);border-radius:4px 8px 8px 4px}
.bk__save,.bk__qv{position:absolute;top:10px;width:34px;height:34px;border-radius:50%;border:0;background:rgba(255,255,255,.94);color:var(--navy);display:grid;place-items:center;box-shadow:var(--sh);z-index:4}
.bk__save{right:10px}.bk__qv{right:10px;top:50px;opacity:0;transition:opacity .15s}
.bk:hover .bk__qv,.bk__qv:focus-visible{opacity:1}
.bk__save:hover,.bk__qv:hover{color:var(--ox)}
.bk__save.is-saved,.is-saved>.ic{color:var(--ox)}
.bk__save.is-saved .ic,[data-save].is-saved .ic{fill:var(--ox);stroke:var(--ox)}
.bk__badge{position:absolute;left:10px;top:10px;background:var(--gold);color:var(--navy);font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:99px;z-index:4}
.bk__body{display:flex;flex-direction:column;gap:3px;padding:12px 14px 14px;flex:1}
.bk__type{font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--ox)}
.bk__title{font-size:14.5px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:3.9em}
.bk__title a:hover{color:var(--ox)}
.bk__by{margin:0;font-size:13px;color:var(--ink)}
.bk__pub{margin:0 0 8px;font-size:12px;color:var(--muted)}
.bk .btn--buy{margin-top:auto}

/* shop */
.shop{margin-top:46px;scroll-margin-top:130px}
.shop__grid{display:grid;grid-template-columns:260px 1fr;gap:28px;margin-top:16px;align-items:start}
.filters{position:sticky;top:132px;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:6px 16px 16px;box-shadow:var(--sh);max-height:calc(100vh - 150px);overflow-y:auto}
.filters__head{display:flex;align-items:center;justify-content:space-between;padding:12px 0 6px}
.filters__head h3{font-size:16px}
.filters__close,.filters__apply,.filters-toggle{display:none}
.filters details{border-top:1px solid var(--line);padding:10px 0}
.filters summary{font-weight:700;font-size:13.5px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;color:var(--navy)}
.filters summary::after{content:"+";color:var(--muted)}
.filters details[open] summary::after{content:"\2212"}
.chk{display:flex;align-items:center;gap:9px;padding:5px 0;font-size:13.5px;cursor:pointer}
.chk input{accent-color:var(--ox);width:16px;height:16px;flex:none;margin:0}
.chk span{flex:1;line-height:1.3}
.chk em{font-style:normal;font-size:12px;color:var(--muted)}
.chk.is-extra{display:none}
.filters.show-pubs .chk.is-extra{display:flex}
.toolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:10px 14px;background:var(--white);border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh)}
.toolbar__count{margin:0;flex:1;font-size:14px;color:var(--muted);min-width:120px}
.sort{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.sort select{padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--cream);font:inherit;color:var(--ink)}
.viewtoggle{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.viewtoggle button{border:0;background:var(--white);width:38px;height:36px;display:grid;place-items:center;color:var(--muted)}
.viewtoggle button.is-active{background:var(--navy);color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0}
.chips button{display:flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--tint);color:var(--navy);padding:5px 10px;border-radius:99px;font-size:12.5px;font-weight:500}
.chips button:hover{border-color:var(--ox);color:var(--ox)}
.chips .ic{width:12px;height:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px;margin-top:16px}
.grid.is-list{grid-template-columns:1fr;gap:12px}
.grid.is-list .bk{flex-direction:row;align-items:stretch}
.grid.is-list .bk__media{flex:0 0 120px;padding:12px;border-radius:12px 0 0 12px;background:var(--paper)}
.grid.is-list .bk__cv{width:100%}
.grid.is-list .bk__qv{display:none}
.grid.is-list .bk__save{top:8px;right:auto;left:8px;width:28px;height:28px}
.grid.is-list .bk__body{padding:16px 18px;justify-content:center}
.grid.is-list .bk__title{min-height:0;font-size:16px}
.grid.is-list .btn--buy{width:auto;align-self:flex-start;margin-top:8px;padding:9px 16px}
.grid.is-list .bk__badge{display:none}
.empty{text-align:center;padding:48px 16px;background:var(--white);border:1px dashed var(--line);border-radius:12px;margin-top:16px}
.empty p{color:var(--muted)}
.more{text-align:center;margin-top:26px}

/* modal & drawer */
.scrim{position:fixed;inset:0;background:rgba(7,24,45,.55);z-index:90}
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:16px}
.modal[hidden],.drawer[hidden],.scrim[hidden]{display:none}
.modal__box{position:relative;background:var(--white);border-radius:16px;max-width:760px;width:100%;max-height:92vh;overflow:auto;padding:28px;box-shadow:var(--shl);display:grid;grid-template-columns:230px 1fr;gap:26px}
.modal__x{position:absolute;right:12px;top:12px}
.qv__cv{width:100%;box-shadow:0 14px 26px rgba(7,24,45,.3);border-radius:4px 8px 8px 4px}
.qv__info h2{font-size:24px;margin:6px 0 8px}
.qv__info p{margin:0 0 6px}
.qv__acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(400px,100%);background:var(--white);z-index:100;box-shadow:var(--shl);display:flex;flex-direction:column}
.drawer__head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer__body{flex:1;overflow:auto;padding:12px 20px}
.drawer__note{margin:0;padding:12px 20px;font-size:12px;color:var(--muted);border-top:1px solid var(--line)}
.sv{display:grid;grid-template-columns:56px 1fr auto;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center}
.sv .cv{font-size:0}.sv .cv__t,.sv .cv__a,.sv .cv__pub,.sv .cv__ic{display:none}
.sv strong{display:block;font-size:14px;line-height:1.3}
.sv span{font-size:12px;color:var(--muted)}
.sv__acts{display:flex;flex-direction:column;gap:6px;align-items:flex-end}
.sv__acts a{font-size:12.5px;font-weight:600;color:var(--ox)}
.sv__acts button{background:none;border:0;color:var(--muted);font-size:12px}
.drawer__empty{color:var(--muted);text-align:center;padding:40px 10px}

/* product page */
.crumbs{margin:20px 0;font-size:13px;color:var(--muted)}
.crumbs a:hover{color:var(--ox)}.crumbs span{margin:0 4px}
.pdp{display:grid;grid-template-columns:380px 1fr;gap:48px;padding:36px;background:var(--white);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh)}
.pdp:hover{transform:none;box-shadow:var(--sh)}
.pdp__media{background:linear-gradient(180deg,var(--paper),var(--white));border-radius:12px;padding:36px}
.pdp__cv{width:100%;max-width:300px;margin:0 auto;box-shadow:0 20px 40px rgba(7,24,45,.3);border-radius:4px 8px 8px 4px}
.pdp__info h1{font-size:34px;margin:8px 0}
.pdp__by{font-size:17px;margin:0 0 18px;color:var(--muted)}
.pdp__by strong{color:var(--ink)}
.pdp__facts{display:grid;grid-template-columns:110px 1fr;gap:8px 12px;margin:0 0 24px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pdp__facts dt{color:var(--muted);font-size:13.5px}.pdp__facts dd{margin:0;font-weight:500}
.pdp__buy{display:flex;gap:12px;flex-wrap:wrap}
.pdp__note{font-size:12.5px;color:var(--muted);margin:12px 0 0}
.pdp__about{margin-top:28px}.pdp__about h2{font-size:18px;margin-bottom:8px}
.pdp__about a{color:var(--ox);font-weight:600}

/* footer */
.foot{background:var(--navy);color:#c9d3e2;margin-top:40px}
.foot__in{max-width:var(--maxw);margin:0 auto;padding:36px 20px;display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.foot strong{font-family:var(--head);color:#fff;font-size:18px}
.foot p{margin:8px 0 0;max-width:60ch;font-size:13.5px}
.foot__note{font-size:12.5px;color:#9fb0c8}
.foot nav{display:flex;flex-direction:column;gap:8px;font-size:14px}
.foot nav a:hover{color:var(--goldsoft)}

/* responsive */
@media(max-width:1100px){.tiles__grid{grid-template-columns:repeat(3,1fr)}.hero{padding:36px 30px}.hero h1{font-size:36px}.pdp{grid-template-columns:300px 1fr;gap:30px}}
@media(max-width:860px){
.top__in{flex-wrap:wrap;gap:10px}.search{order:5;flex:1 0 100%;max-width:none}.backlink span{display:none}.savedbtn span{display:none}
.hero{grid-template-columns:1fr}.hero__art{height:230px}.stack{width:120px}
.shop__grid{grid-template-columns:1fr}
.filters{position:fixed;inset:auto 0 0 0;top:auto;max-height:86vh;border-radius:16px 16px 0 0;z-index:100;transform:translateY(105%);transition:transform .25s;padding-bottom:0}
.filters.is-open{transform:none}
.filters__close,.filters__apply,.filters-toggle{display:flex}
.filters__apply{position:sticky;bottom:0;background:var(--white);padding:12px 0;border-top:1px solid var(--line)}.filters__apply .btn{width:100%}
.pdp{grid-template-columns:1fr;padding:18px}.pdp__media{padding:22px}.pdp__info h1{font-size:26px}
.modal__box{grid-template-columns:1fr}.qv__cv{max-width:170px;margin:0 auto}
}
@media(max-width:560px){
.wrap{padding:0 14px 40px}.tiles__grid{grid-template-columns:repeat(2,1fr)}.hero{padding:28px 20px;margin-top:14px}.hero h1{font-size:29px}.hero p{font-size:15px}.trust{gap:18px}
.grid{grid-template-columns:repeat(2,1fr);gap:12px}.bk__media{padding:12px 10px 4px}.bk__body{padding:10px}.bk__title{font-size:13px}.btn--buy{font-size:12px;padding:9px 6px}.btn--buy .ic{display:none}
.bk__qv{display:none}.bk--rail{flex-basis:158px}
.grid.is-list .bk__media{flex-basis:92px}.grid.is-list .bk__qv{display:none}
.rail-sec__head{flex-direction:column;align-items:flex-start}.rail-sec__act .iconbtn{display:none}
.announce{font-size:11.5px}
}

.qv__cv,.sv>a{container-type:inline-size}

.bk__badge--free{background:#1b6b55;color:#fff}
.btn--buy.btn--free,.pdp .btn--free{background:var(--navy)}
.btn--buy.btn--free:hover,.pdp .btn--free:hover{background:var(--navy2)}

[hidden]{display:none!important}