/* Layout: wide brand header, split hero (copy left / orbit illustration on navy blob right), stacked content bands, navy footer */
:root{
  --navy:#0B1A4A;
  --navy-2:#13296E;
  --ink:#0E1430;
  --muted:#4B5372;
  --blue:#1E5EFF;
  --sun:#FFC21A;
  --sun-deep:#F2A900;
  --paper:#FFFFFF;
  --mist:#F3F6FD;
  --line:#E3E8F4;
  --ff:"Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--ff);font-size:16px;line-height:1.6;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.12;text-wrap:balance;margin:0}
p{margin:0}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(20px, env(safe-area-inset-left,0px));padding-right:max(20px, env(safe-area-inset-right,0px))}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}

/* Logo */
.logo{display:inline-flex;flex-direction:column;line-height:1}
.logo-word{font-weight:800;font-style:italic;font-size:30px;letter-spacing:-.03em;color:var(--navy);position:relative}
.logo-word b{color:var(--blue);font-weight:800}
.logo-word::after{content:"";position:absolute;left:58%;right:-6px;top:-6px;height:22px;border:3px solid var(--sun);border-color:var(--sun) transparent transparent transparent;border-radius:50%;transform:rotate(-8deg)}
.logo-tag{font-size:11px;font-weight:600;color:var(--navy);margin:6px 0 0 58px;letter-spacing:.02em}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font:700 15px/1 var(--ff);padding:15px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .15s, box-shadow .15s, background .15s}
.btn svg{width:16px;height:16px}
.btn-sun{background:var(--sun);color:var(--ink)}
.btn-sun:hover{background:var(--sun-deep);transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,169,0,.35)}
.btn-ghost{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-ghost:hover{background:var(--navy);color:#fff}

/* Header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:#fff}
.header-row{display:flex;align-items:center;gap:28px;padding-block:16px}
.nav{display:flex;gap:28px;align-items:center;margin-left:24px;padding-left:28px;border-left:1px solid var(--line)}
.nav a{font-weight:600;font-size:14px;color:var(--ink);position:relative;padding-block:6px}
.nav a[aria-current="page"]::after,.nav a:hover::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;background:var(--sun)}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.search{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;padding:4px 6px 4px 16px;background:#fff}
.search input{border:0;outline:0;font:500 13px var(--ff);width:150px;background:transparent;color:var(--ink)}
.search button{border:0;background:none;padding:6px;cursor:pointer;color:var(--ink);display:flex}
.btn-sm{padding:11px 18px;font-size:13px}
.menu-toggle{display:none;margin-left:auto;border:0;background:var(--mist);border-radius:10px;padding:10px;cursor:pointer}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#F7F9FF 0%,#fff 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;align-items:center;padding-block:48px 64px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#E8EEFF;color:var(--navy);font-weight:600;font-size:13px;padding:6px 14px 6px 6px;border-radius:999px}
.eyebrow i{width:24px;height:24px;border-radius:50%;background:var(--sun);display:grid;place-items:center;font-style:normal}
.hero h1{font-size:clamp(40px,6vw,64px);font-weight:800;letter-spacing:-.035em;margin:18px 0 20px;color:var(--ink)}
.hero h1 .brand{display:block;font-style:italic;font-size:1.25em;letter-spacing:-.045em;color:var(--navy)}
.hero h1 .brand b{color:var(--sun-deep);font-weight:800}
.hero .lede{font-size:18px;color:var(--muted);max-width:30em}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin:30px 0 30px}
.readers{display:flex;align-items:center;gap:14px;font-size:14px;font-weight:600;color:var(--muted)}
.avatars{display:flex}
.avatars span{width:34px;height:34px;border-radius:50%;border:2px solid #fff;margin-left:-10px;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff}
.avatars span:first-child{margin-left:0}
.hero-art{position:relative;min-width:0}
.hero-art svg{display:block;width:100%;height:auto}
.float{animation:bob 6s ease-in-out infinite}
.float.d2{animation-delay:-2s}.float.d3{animation-delay:-4s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* Section heads */
section{scroll-margin-top:90px}
.sec{padding-block:72px}
.sec-head{text-align:center;max-width:640px;margin:0 auto 40px}
.sec-head h2{font-size:clamp(28px,3.4vw,38px);font-weight:800;letter-spacing:-.025em;display:flex;align-items:center;justify-content:center;gap:18px}
.sec-head h2::before,.sec-head h2::after{content:"";flex:0 1 90px;height:2px;background:var(--line)}
.sec-head h2 em{font-style:normal;color:var(--blue)}
.sec-head p{color:var(--muted);margin-top:10px}

/* Categories */
.cats{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.cat{border-radius:18px;padding:22px 14px 20px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px;transition:transform .2s, box-shadow .2s;border:1px solid rgba(11,26,74,.04)}
.cat:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(11,26,74,.10)}
.cat svg{width:72px;height:72px}
.cat h3{font-size:17px;font-weight:700}
.cat span{font-size:13px;font-weight:700;display:inline-flex;gap:6px;align-items:center}
.c1{background:#FFF0EC}.c1 span{color:#D9480F}
.c2{background:#FFF5E3}.c2 span{color:#C77700}
.c3{background:#EAF1FF}.c3 span{color:var(--blue)}
.c4{background:#FFECEF}.c4 span{color:#D6264A}
.c5{background:#E9F2FF}.c5 span{color:#1C6ED5}
.c6{background:#F1EEFF}.c6 span{color:#6741D9}

/* Popular books */
.books{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.book{display:flex;flex-direction:column;gap:14px}
.cover{aspect-ratio:3/4;border-radius:10px 16px 16px 10px;padding:22px 18px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;box-shadow:0 18px 30px -16px rgba(11,26,74,.55);max-width:100%}
.cover::before{content:"";position:absolute;left:0;top:0;bottom:0;width:10px;background:rgba(0,0,0,.18)}
.cover::after{content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border:10px solid rgba(255,255,255,.12);border-radius:50%}
.cover small{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;opacity:.85}
.cover strong{font-size:22px;line-height:1.15;font-weight:800;letter-spacing:-.02em;position:relative}
.cover em{font-style:normal;font-size:12px;font-weight:600;opacity:.9}
.b1{background:linear-gradient(150deg,#13296E,#1E5EFF)}
.b2{background:linear-gradient(150deg,#0B1A4A,#127A5A)}
.b3{background:linear-gradient(150deg,#5A2A8C,#1E5EFF)}
.b4{background:linear-gradient(150deg,#B35A00,#F2A900)}
.book h3{font-size:16px;font-weight:700}
.meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}
.tag{background:var(--mist);color:var(--navy);font-weight:700;font-size:12px;padding:4px 10px;border-radius:999px}
.no-results{text-align:center;color:var(--muted);grid-column:1/-1;padding:20px}

/* Why choose */
.why{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.devices{position:relative;min-width:0}
.devices svg{width:100%;height:auto;display:block}
.why h2{font-size:clamp(30px,3.6vw,40px);font-weight:800;letter-spacing:-.025em;position:relative;padding-top:22px}
.why h2::before{content:"";position:absolute;top:0;left:0;width:70px;height:5px;border-radius:5px;background:var(--sun)}
.why h2 i{color:var(--navy)}.why h2 i b{color:var(--blue)}
.features{display:grid;grid-template-columns:1fr 1fr;gap:32px 28px;margin-top:36px}
.feat{display:flex;gap:16px;align-items:flex-start}
.feat .ic{flex:0 0 58px;height:58px;border-radius:50%;display:grid;place-items:center}
.feat .ic svg{width:28px;height:28px}
.feat h3{font-size:17px;font-weight:700;margin-bottom:4px}
.feat p{font-size:14px;color:var(--muted)}

/* Blog */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post{border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:12px;background:#fff;transition:border-color .2s}
.post:hover{border-color:var(--blue)}
.post time{font-size:12px;font-weight:700;color:var(--blue);letter-spacing:.06em;text-transform:uppercase}
.post h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.post p{font-size:14px;color:var(--muted)}
.post .more{margin-top:auto;font-weight:700;font-size:14px;color:var(--navy)}

/* FAQ */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{border:1px solid var(--line);border-radius:14px;background:#fff;padding:0 22px}
.faq summary{cursor:pointer;font-weight:700;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--blue)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding-bottom:18px;color:var(--muted)}

/* Subscribe */
.subscribe{background:var(--navy);color:#fff;border-radius:24px;padding:34px 40px;display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.subscribe .plane{width:120px;flex:0 0 auto}
.subscribe-copy{flex:1 1 300px;min-width:0}
.subscribe h2{font-size:clamp(22px,2.4vw,28px);font-weight:800}
.subscribe h2 em{font-style:normal;color:var(--sun)}
.subscribe p{opacity:.85;margin-top:4px}
.sub-form{display:flex;background:#fff;border-radius:999px;padding:5px;flex:1 1 340px;max-width:440px;min-width:0}
.sub-form label{display:flex;align-items:center;gap:10px;padding-left:16px;flex:1;min-width:0;color:var(--muted)}
.sub-form input{border:0;outline:0;font:500 14px var(--ff);flex:1;min-width:0;color:var(--ink);background:transparent}
.form-msg{width:100%;font-size:14px;color:var(--sun);min-height:1.2em}

/* Footer */
.site-footer{margin-top:72px;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:32px;padding-block:44px}
.foot-grid h3{font-size:14px;font-weight:800;margin-bottom:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--navy)}
.foot-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--muted)}
.foot-grid ul a:hover{color:var(--blue)}
.foot-about{font-size:14px;color:var(--muted);margin-top:16px;max-width:30ch}
.social{display:flex;gap:10px;margin-top:18px}
.social a{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:#fff}
.social svg{width:18px;height:18px}
.bottom{background:var(--navy);color:#fff}
.bottom .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-block:20px;font-size:14px}
.bottom .tagline{font-weight:700;font-style:italic}
.bottom .tagline b{color:var(--sun)}

/* Responsive */
@media (max-width:1080px){
  .cats{grid-template-columns:repeat(3,1fr)}
  .books{grid-template-columns:repeat(2,1fr)}
  .search{display:none}
}
@media (max-width:900px){
  .menu-toggle{display:flex}
  .header-tools .btn{display:none}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border:0;border-bottom:1px solid var(--line);margin:0;padding:8px max(20px, env(safe-area-inset-left,0px)) 16px}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav a::after{display:none}
  .header-row{position:relative}
  .hero-grid,.why{grid-template-columns:1fr}
  .hero-grid{padding-block:28px 48px}
  .posts{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .subscribe{padding:28px 24px}
}
@media (max-width:560px){
  .cats{grid-template-columns:repeat(2,1fr);gap:12px}
  .features{grid-template-columns:1fr}
  .books{gap:14px}
  .cover strong{font-size:17px}
  .sec{padding-block:52px}
  .sec-head h2::before,.sec-head h2::after{display:none}
  .subscribe .plane{display:none}
  .sub-form .btn{padding:12px 16px}
  .foot-grid{grid-template-columns:1fr}
  .logo-word{font-size:26px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ---------- Inner pages ---------- */
.page-head{background:linear-gradient(180deg,#F7F9FF 0%,#fff 100%);padding-block:40px 28px}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--muted);margin:0 0 14px;padding:0;list-style:none}
.crumbs li+li::before{content:"›";margin-right:6px;color:#9AA3BF}
.crumbs a:hover{color:var(--blue)}
.page-head h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;letter-spacing:-.03em}
.page-head p{color:var(--muted);margin-top:10px;max-width:42em}
.prose{max-width:740px;font-size:17px;line-height:1.75;color:#272E4A}
.prose h2{font-size:26px;font-weight:800;margin:36px 0 12px;letter-spacing:-.02em;color:var(--ink)}
.prose h3{font-size:20px;font-weight:700;margin:28px 0 10px;color:var(--ink)}
.prose p,.prose ul,.prose ol{margin:0 0 18px}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin-bottom:6px}
.prose a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.book-detail{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start;padding-block:24px 64px}
.book-detail .cover{width:100%}
.book-detail .cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover.has-img{padding:0}
.cover.has-img::before,.cover.has-img::after{display:none}
.facts{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 24px}
.facts span{background:var(--mist);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;color:var(--navy)}
.price{font-size:30px;font-weight:800;color:var(--navy);margin-bottom:16px}
.price small{font-size:14px;font-weight:600;color:var(--muted);margin-left:8px}
.book-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.note{font-size:14px;color:var(--muted);background:var(--mist);border-radius:12px;padding:12px 16px}
.post-cover{border-radius:18px;margin-bottom:28px;width:100%;height:auto}
.post-meta{font-size:14px;color:var(--muted);margin-top:12px}
.empty{color:var(--muted);text-align:center;padding:40px 0}
.flash{background:#E3F5EC;color:#11663F;border-radius:12px;padding:12px 16px;font-weight:600;margin-bottom:20px}
.contact-box{display:grid;gap:10px;background:var(--mist);border-radius:16px;padding:22px;margin:24px 0;font-size:16px}
.hp{position:absolute;left:-9999px}
@media (max-width:900px){.book-detail{grid-template-columns:1fr}.book-detail .cover{max-width:280px}}

/* ---------- Bestselling ---------- */
.best{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.best::before{content:"";position:absolute;width:520px;height:520px;right:-180px;top:-220px;border:2px solid rgba(255,194,26,.35);border-radius:50%;transform:rotate(-12deg) scaleY(.45)}
.best .wrap{position:relative}
.best .sec-head h2{color:#fff}
.best .sec-head h2::before,.best .sec-head h2::after{background:rgba(255,255,255,.18)}
.best .sec-head h2 em{color:var(--sun)}
.best .sec-head p{color:#B9C4E8}
.best-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;counter-reset:rank;list-style:none;margin:0;padding:0}
.best-item{display:grid;grid-template-columns:auto 96px 1fr;gap:18px;align-items:center;background:#fff;color:var(--ink);border-radius:20px;padding:18px 22px 18px 18px;min-width:0;transition:transform .2s, box-shadow .2s}
.best-item:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(0,0,0,.25)}
.rank{font-size:46px;font-weight:800;font-style:italic;letter-spacing:-.05em;line-height:1;color:var(--line);width:58px;text-align:center;font-variant-numeric:tabular-nums}
.rank.r1{color:var(--sun-deep)}
.best-item .cover{padding:12px 10px;border-radius:6px 10px 10px 6px;box-shadow:0 10px 18px -10px rgba(11,26,74,.6)}
.best-item .cover strong{font-size:12px}
.best-item .cover small,.best-item .cover em{font-size:8px}
.best-item .cover::after{width:60px;height:60px;border-width:5px;right:-20px;top:-20px}
.best-info{min-width:0;display:flex;flex-direction:column;gap:6px}
.best-badge{align-self:flex-start;display:inline-flex;align-items:center;gap:5px;background:#FFF3D6;color:#8A5A00;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:999px}
.best-info h3{font-size:17px;font-weight:700;line-height:1.3}
.best-info h3 a:hover{color:var(--blue)}
.best-meta{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:var(--muted)}
.best-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:4px}
.best-price{font-weight:800;font-size:18px;color:var(--navy)}
.best-foot .btn{padding:9px 16px;font-size:13px}
@media (max-width:900px){.best-list{grid-template-columns:1fr}}
@media (max-width:480px){.best-item{grid-template-columns:auto 72px 1fr;gap:12px;padding:14px}.rank{font-size:32px;width:36px}.best-foot{flex-wrap:wrap}}

/* ---------- PayPal checkout ---------- */
.pay-box{width:100%;max-width:380px}
#paypal-buttons{min-height:52px}
.pay-msg{font-size:14px;font-weight:600;color:#B4232F;margin:8px 0 0;min-height:1em}
.pay-safe{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--muted);margin-top:10px}
.pay-safe svg{flex:none;margin-top:3px;color:#11663F}

/* ---------- Book page (product layout) ---------- */
.off-badge{position:absolute;top:10px;right:10px;z-index:2;background:#E5203A;color:#fff;font:800 12px/1 var(--ff);padding:7px 10px;border-radius:999px;box-shadow:0 4px 10px rgba(229,32,58,.35);letter-spacing:.02em}
.meta .tag s{color:#9AA3BF;font-weight:600;margin-right:2px}
.bk-crumbs{padding-block:22px 6px}
.bk-crumbs .crumbs{margin:0}
.bk-top{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:44px;align-items:start;padding-block:10px 40px}
.bk-cover .cover{width:100%;border-radius:8px 14px 14px 8px;box-shadow:0 24px 40px -18px rgba(11,26,74,.5)}
.bk-cover .cover strong{font-size:28px}
.bk-cover .cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bk-cover .off-badge{font-size:13px;padding:8px 12px;top:12px;right:12px}
.bk-main{min-width:0}
.bk-eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.bk-eyebrow:hover{color:var(--blue)}
.bk-title{font-size:clamp(28px,3.6vw,40px);font-weight:800;letter-spacing:-.025em;color:var(--navy);margin:8px 0 6px}
.bk-sub{font-size:17px;color:var(--muted);margin:0}
.bk-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin:14px 0 22px;font-size:14px;color:var(--muted)}
.bk-rating strong{color:var(--ink)}
.bk-rating .star{color:var(--sun-deep);font-size:16px}
.bk-pill{background:#E8EEFF;color:var(--blue);font-weight:700;font-size:12px;padding:4px 11px;border-radius:999px}
.bk-buy{border:1px solid var(--line);border-radius:18px;padding:24px;max-width:600px;box-shadow:0 10px 30px -18px rgba(11,26,74,.25);background:#fff}
.bk-price{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 14px;margin-bottom:20px}
.bk-price .now{font-size:36px;font-weight:800;letter-spacing:-.03em;color:var(--ink);font-variant-numeric:tabular-nums}
.bk-price .was{font-size:17px;color:#9AA3BF;font-weight:600}
.bk-price .save{font-size:14px;font-weight:700;color:#11834F}
.bk-btn{display:flex;width:100%;align-items:center;justify-content:center;gap:10px;font:700 16px/1 var(--ff);padding:17px 20px;border-radius:12px;border:0;cursor:pointer;background:var(--blue);color:#fff;box-shadow:0 10px 20px -10px rgba(30,94,255,.7);transition:background .15s,transform .15s}
.bk-btn:hover{background:#1749D1;transform:translateY(-1px)}
.bk-pay{margin-top:4px}
.bk-pay-title{font-weight:700;font-size:14px;margin:0 0 12px;color:var(--ink)}
.bk-ticks{list-style:none;margin:20px 0 0;padding:18px 0 0;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--muted)}
.bk-ticks li{display:flex;align-items:center;gap:10px}
.bk-ticks svg{color:#11834F;flex:none}
.bk-share{display:flex;align-items:center;flex-wrap:wrap;gap:6px 16px;margin-top:16px;font-size:14px;color:var(--muted)}
.bk-share a,.bk-share button{font:700 14px var(--ff);background:none;border:0;padding:0;cursor:pointer;color:var(--blue)}
.bk-share a.wa{color:#11834F}
.bk-share a:hover,.bk-share button:hover{text-decoration:underline}
.copied{color:#11834F;font-weight:600}
.bk-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;padding-block:20px 72px;border-top:1px solid var(--line)}
.bk-about{padding-top:12px}
.bk-about h2{font-size:24px;font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
.bk-details{background:var(--mist);border:1px solid var(--line);border-radius:16px;padding:6px 22px;margin-top:20px}
.bk-details dl{margin:0}
.bk-details dl div{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.bk-details dl div:last-child{border-bottom:0}
.bk-details dt{color:var(--muted)}
.bk-details dd{margin:0;font-weight:700;text-align:right;color:var(--ink)}
.bk-details dd a{color:var(--ink)}.bk-details dd a.link{color:var(--blue)}
@media (max-width:900px){
  .bk-top{grid-template-columns:1fr;gap:28px}
  .bk-cover{max-width:280px}
  .bk-body{grid-template-columns:1fr;gap:8px}
}
@media (max-width:480px){.bk-buy{padding:18px}.bk-price .now{font-size:30px}}

/* ---------- Mobile polish (phones) ---------- */
.rank{color:#C3CBE0}
.best-item .cover .off-badge{display:none}
.best-item .cover small,.best-item .cover em{display:none}
.best-item .cover{justify-content:center}
.mobile-search{display:none}
.sticky-buy{display:none}
.sec,.best,#subscribe,.site-footer{content-visibility:auto;contain-intrinsic-size:auto 800px}
@media (max-width:900px){
  .mobile-search{display:flex;gap:8px;padding:14px 0 6px}
  .mobile-search input{flex:1;min-width:0;font:500 16px var(--ff);border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff;color:var(--ink)}
  .mobile-search button{border:0;border-radius:12px;background:var(--sun);color:var(--ink);font:700 15px var(--ff);padding:0 16px;min-height:46px}
  .nav a{min-height:48px;display:flex;align-items:center}
  .nav{max-height:calc(100vh - 80px);overflow-y:auto}
}
@media (max-width:700px){
  .hero-art{max-width:340px;margin:0 auto}
  .devices{max-width:360px;margin:0 auto}
  .meta{flex-direction:column;align-items:flex-start;gap:6px}
  .book h3{font-size:15px}
  .foot-grid ul{gap:2px}
  .foot-grid ul a{display:block;padding:9px 0}
  .bottom .wrap{justify-content:center;text-align:center}
  .social a{width:44px;height:44px}
  .crumbs a{display:inline-block;padding:6px 0}
  .bk-share a,.bk-share button{padding:11px 4px}
  .bk-eyebrow{padding:8px 0}
  .post .more{padding:10px 0;display:inline-block}
  .faq summary{min-height:48px;align-items:center}
  .search input,.sub-form input,input[type=email],input[type=search],input[type=text]{font-size:16px}
  .sub-form{flex-wrap:wrap;border-radius:16px;padding:8px;gap:8px}
  .sub-form label{padding:6px 8px;flex:1 1 100%}
  .sub-form .btn{flex:1 1 100%;justify-content:center}
  /* book page: compact cover beside nothing, price visible sooner */
  .bk-top{gap:20px}
  .bk-cover{max-width:210px;margin:0 auto}
  .bk-cover .cover strong{font-size:22px}
  .bk-title{font-size:27px}
  .bk-body{padding-block:8px 48px}
  /* sticky Buy bar appears once the price card scrolls away */
  .sticky-buy{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;align-items:center;gap:14px;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(11,26,74,.12);
    padding:10px max(16px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));transform:translateY(110%);transition:transform .25s}
  .sticky-buy.show{transform:none}
  .sticky-buy .p{display:flex;flex-direction:column;line-height:1.15;min-width:0}
  .sticky-buy .p strong{font-size:20px;font-weight:800}
  .sticky-buy .p s{font-size:12px;color:#9AA3BF}
  .sticky-buy .bk-btn{width:auto;flex:1;padding:14px 16px}
  body.has-sticky .site-footer{padding-bottom:76px}
}
@media (max-width:700px){
  .best-foot .btn{padding:13px 16px}
  .bk-details dd a{display:inline-block;padding:8px 0;margin:-8px 0}
  .book h3 a{display:block;padding:4px 0}
}
.cover strong{overflow-wrap:break-word;hyphens:auto}
.cover.has-off small{display:block;padding-right:76px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.best-item .cover strong{font-size:11px;line-height:1.2;hyphens:auto;overflow-wrap:anywhere}
.books{grid-template-columns:repeat(4,minmax(0,1fr))}
.best-item .cover.has-off small{display:none}
@media (max-width:1080px){.books{grid-template-columns:repeat(2,minmax(0,1fr))}}
.cats{grid-template-columns:repeat(6,minmax(0,1fr))}
@media (max-width:1080px){.cats{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:560px){.cats{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- Cart ---------- */
.cart-link{position:relative;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;color:var(--navy);background:var(--mist)}
.cart-link:hover{background:#E3EAFB}
.cart-count{position:absolute;top:-4px;right:-4px;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--blue);color:#fff;font:800 11px/20px var(--ff);text-align:center;border:2px solid #fff}
.cart-count[hidden]{display:none}
@media (max-width:900px){.header-tools{margin-left:auto}.menu-toggle{margin-left:8px}}
.bk-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.bk-actions .bk-btn{width:100%}
.bk-btn.ghost{background:#fff;color:var(--blue);border:1.5px solid var(--blue);box-shadow:none}
.bk-btn.ghost:hover{background:#F2F6FF}
.bk-btn.ghost.in-cart{border-color:#11834F;color:#11834F}
.bk-btn:disabled{opacity:.6;cursor:wait}
.bk-actions .bk-btn[aria-expanded="true"]{box-shadow:0 0 0 3px rgba(30,94,255,.2)}
.bk-pay{margin-top:16px}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translate(-50%,140%);z-index:80;background:var(--navy);color:#fff;font-size:14px;font-weight:600;padding:13px 18px;border-radius:12px;box-shadow:0 14px 30px rgba(11,26,74,.3);transition:transform .25s;max-width:calc(100% - 32px)}
.toast.show{transform:translate(-50%,0)}
.toast a{color:var(--sun);margin-left:6px;white-space:nowrap}
body.has-sticky .toast{bottom:calc(92px + env(safe-area-inset-bottom,0px))}
.cart-wrap{padding-block:8px 72px}
.cart-h1{font-size:clamp(28px,3.4vw,38px);font-weight:800;letter-spacing:-.025em;color:var(--navy);margin-bottom:24px}
.cart-h1 span{font-size:.55em;color:var(--muted);font-weight:600;letter-spacing:0}
.cart-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:32px;align-items:start}
.cart-list{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:18px;background:#fff}
.cart-item{display:grid;grid-template-columns:76px minmax(0,1fr) auto;gap:18px;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}
.cart-item:last-child{border-bottom:0}
.cart-cover .cover{padding:8px;border-radius:4px 8px 8px 4px;box-shadow:0 8px 14px -8px rgba(11,26,74,.5)}
.cart-cover .cover small,.cart-cover .cover em,.cart-cover .off-badge{display:none}
.cart-cover .cover strong{font-size:10px;hyphens:auto;overflow-wrap:anywhere}
.cart-cover .cover::after{display:none}
.cart-info{min-width:0}
.cart-info h2{font-size:17px;font-weight:700;line-height:1.3}
.cart-info h2 a:hover{color:var(--blue)}
.cart-info p{font-size:13px;color:var(--muted);margin-top:4px}
.cart-remove{background:none;border:0;padding:8px 0;margin-top:2px;font:600 13px var(--ff);color:#B4232F;cursor:pointer}
.cart-remove:hover{text-decoration:underline}
.cart-price{text-align:right;display:flex;flex-direction:column;align-items:flex-end}
.cart-price strong{font-size:19px;font-weight:800;font-variant-numeric:tabular-nums}
.cart-price s{font-size:13px;color:#9AA3BF}
.cart-sum{max-width:none;position:sticky;top:96px}
.cart-sum h2{font-size:18px;font-weight:800;margin-bottom:12px}
.cart-sum dl{margin:0 0 18px}
.cart-sum dl div{display:flex;justify-content:space-between;padding:8px 0;font-size:15px;color:var(--muted)}
.cart-sum dl dd{margin:0;font-variant-numeric:tabular-nums;color:var(--ink);font-weight:600}
.cart-sum .save dd{color:#11834F}
.cart-sum .total{border-top:1px solid var(--line);margin-top:6px;padding-top:14px;font-size:18px;color:var(--ink);font-weight:800}
.cart-sum .total dd{font-weight:800;font-size:22px}
.cart-sum .total small{font-size:12px;color:var(--muted);font-weight:600}
.cart-more{display:inline-block;margin-top:16px;font-weight:700;font-size:14px;color:var(--blue);padding:8px 0}
.cart-empty{text-align:center;padding:60px 16px;border:1px dashed var(--line);border-radius:18px;color:var(--muted)}
.cart-empty svg{color:#B9C4E8}
.cart-empty p{font-size:18px;margin:12px 0 20px}
.ty-list{list-style:none;margin:0 0 8px;padding:0;display:flex;flex-direction:column;gap:12px}
.ty-list li{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.ty-list li div{display:flex;flex-direction:column;min-width:0}
.ty-list li span{font-size:13px;color:var(--muted)}
@media (max-width:900px){.cart-grid{grid-template-columns:1fr}.cart-sum{position:static}}
@media (max-width:480px){.cart-item{grid-template-columns:60px minmax(0,1fr);padding:16px}.cart-price{grid-column:2;flex-direction:row;gap:10px;align-items:baseline;justify-content:flex-start}.bk-actions{gap:10px}.bk-actions .bk-btn{padding:15px 10px;font-size:15px}}
.nav a,.logo-tag,.header-tools .btn{white-space:nowrap}
@media (max-width:1280px){.header-tools .btn-sun{display:none}.nav{gap:22px;margin-left:16px;padding-left:22px}}
@media (max-width:1120px){.nav{gap:18px}}
.cart-cover .cover strong{overflow-wrap:normal;hyphens:auto;font-size:9.5px}
.admin-note{background:#FFF3D6;color:#6B4600;border:1px dashed #E2B04A;border-radius:12px;padding:12px 14px;font-size:14px;margin:0 0 16px}
.cart-warn{color:#8A5A00!important;font-weight:600}
.pp-note{font-size:13px;color:var(--muted);margin:-6px 0 14px}
.pp-slot+.pp-slot{margin-top:10px}
.pp-hint{font-size:13px;color:var(--muted);margin:8px 0 0}