/* ==========================================================================
   Home Pit Stop — customer site
   Palette and type sampled directly from the approved mockups.
   ========================================================================== */
:root{
  --navy:#0C2735;          /* hero, primary ink */
  --navy-2:#132934;        /* footer */
  --navy-3:#102738;        /* pills, buttons on light */
  --ad-navy:#17345D;       /* advert headings */
  --gold:#F8B94C;          /* primary CTA, accent word */
  --gold-2:#E9A93C;
  --gold-dark:#C68A3F;
  --bronze:#B0813F;        /* eyebrows on light sections */
  --bronze-2:#9A6A24;      /* advert eyebrows */
  --cream:#FAF9F5;         /* start-here background */
  --sand:#EEE7D8;          /* featured-series background */
  --sand-2:#F2EADC;        /* who-it-helps panel */
  --paper:#F9F8F5;         /* purchasing background */
  --ad-a:#F7F5EF;
  --ad-b:#E8EEF0;
  --line:#E6E2D8;
  --line-2:#D9D5CD;
  --ink:#0C2735;
  --muted:#5B6770;
  --muted-2:#6F7A82;
  --white:#fff;
  --ok:#1F8A4C; --err:#B3261E; --warn:#A86A00;
  --radius:6px; --radius-lg:10px;
  --shadow-sm:0 1px 2px rgba(12,39,53,.06),0 2px 8px rgba(12,39,53,.05);
  --shadow:0 10px 30px -12px rgba(12,39,53,.22);
  --shadow-lg:0 30px 60px -20px rgba(12,39,53,.35);
  --container:1160px;
  --gutter:clamp(18px,5vw,73px);
  --head:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --body:"DM Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  --nav-h:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--body);font-size:16px;line-height:1.6;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
body.no-scroll{overflow:hidden}
img,svg,video,canvas{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{font-family:var(--head);margin:0;letter-spacing:-.025em;line-height:1.1}
p{margin:0}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:999;background:var(--gold);color:var(--navy);padding:10px 16px;border-radius:6px;font-weight:700;text-decoration:none;transition:top .2s}
.skip:focus{top:12px}
.container{width:100%;max-width:calc(var(--container) + var(--gutter)*2);margin-inline:auto;padding-inline:var(--gutter)}
.eyebrow{display:block;font-family:var(--body);font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--bronze);margin-bottom:14px}
.section{padding-block:clamp(56px,7vw,84px)}
.h2{font-size:clamp(30px,3.6vw,44px);font-weight:800;letter-spacing:-.035em;color:var(--navy)}
.h2-lg{font-size:clamp(34px,4.4vw,52px);font-weight:800;letter-spacing:-.035em;color:var(--navy);line-height:1.08}
.lead{color:var(--muted);font-size:17px;line-height:1.6}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--navy);text-decoration:none;border-bottom:1.5px solid currentColor;padding-bottom:2px;background:none;border-top:0;border-left:0;border-right:0;padding-inline:0;cursor:pointer;transition:color .2s,gap .25s var(--ease)}
.link-arrow .arr{transition:transform .25s var(--ease)}
.link-arrow:hover{color:var(--bronze)}
.link-arrow:hover .arr{transform:translateX(4px)}

/* ---------- Buttons ---------- */
.btn{--bg:var(--gold);--fg:var(--navy);display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:4px;border:1px solid transparent;background:var(--bg);color:var(--fg);font-weight:700;font-size:16px;text-decoration:none;line-height:1;white-space:nowrap;transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .2s,color .2s,border-color .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px -10px rgba(248,185,76,.65)}
.btn:active{transform:translateY(0)}
.btn[disabled]{opacity:.55;pointer-events:none}
.btn-hero{min-height:57px;padding:0 23px;font-size:17.5px}
.btn-navy{--bg:var(--navy-3);--fg:#fff}
.btn-navy:hover{box-shadow:0 12px 24px -12px rgba(16,39,56,.6)}
.btn-ghost{--bg:#fff;--fg:var(--navy);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--navy);box-shadow:var(--shadow-sm)}
.btn-block{width:100%}
.btn-sm{min-height:38px;padding:0 14px;font-size:14px}
.btn .spin{width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Header ---------- */
.site-header{position:absolute;inset:0 0 auto 0;z-index:50;height:var(--nav-h);transition:background .3s,box-shadow .3s,height .3s,backdrop-filter .3s}
.site-header.is-stuck{position:fixed;height:70px;background:rgba(12,39,53,.78);-webkit-backdrop-filter:blur(12px) saturate(140%);backdrop-filter:blur(12px) saturate(140%);box-shadow:0 8px 24px -16px rgba(0,0,0,.6);animation:dropIn .35s var(--ease)}
@keyframes dropIn{from{transform:translateY(-100%)}to{transform:none}}
.nav{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;padding-inline:var(--gutter);max-width:1424px;margin-inline:auto}
.brand{display:inline-flex;flex-direction:column;text-decoration:none;color:#fff;line-height:1;position:relative;padding-top:15px}
.brand-img{height:70px;width:auto}
.brand .roof{position:absolute;top:0;left:14%;width:34%;height:22px;overflow:visible}
.brand .word{font-family:var(--head);font-weight:700;font-size:34px;letter-spacing:-.045em}
.brand .word b{font-weight:700;background:linear-gradient(180deg,#EAB057,#C4872F);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand .tag{font-size:9.6px;font-weight:700;letter-spacing:.14em;color:#EDB23F;margin-top:6px;white-space:nowrap}
.site-header.is-stuck .brand{transform:scale(.82);transform-origin:left center}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{color:#fff;text-decoration:none;font-size:16.5px;font-weight:500;position:relative}
.nav-links .nl::after{content:"";position:absolute;left:0;right:0;bottom:-5px;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-links .nl:hover::after,.nav-links .nl:focus-visible::after{transform:scaleX(1)}
.nav-links .pill{border:1px solid rgba(255,255,255,.55);border-radius:999px;padding:11px 20px;transition:background .25s,border-color .25s,color .25s}
.nav-links .pill:hover{background:#fff;color:var(--navy);border-color:#fff}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.06);color:#fff;align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:transform .3s,opacity .2s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.nav-open .nav-toggle span{background:transparent}
.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:auto auto -30% -10%;width:55%;aspect-ratio:1;background:radial-gradient(closest-side,rgba(248,185,76,.07),transparent);z-index:-1}
.hero-inner{max-width:1424px;margin-inline:auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,635px);column-gap:clamp(24px,3vw,42px);padding-left:var(--gutter);padding-right:clamp(16px,2.4vw,34px);padding-top:calc(var(--nav-h) - 3px);min-height:min(713px,100svh)}
.hero-copy{padding-top:clamp(36px,5.4vw,76px);padding-bottom:64px;align-self:start;max-width:720px}
.hero-copy .eyebrow{color:var(--gold);font-size:13.5px;letter-spacing:.17em;margin-bottom:22px}
.hero h1{font-size:clamp(40px,4.75vw,67.5px);font-weight:800;line-height:1.08;letter-spacing:-.045em;color:#fff}
.hero h1 .accent{color:var(--gold);display:block}
.hero-sub{margin-top:30px;font-size:clamp(17px,1.42vw,20px);line-height:1.55;color:#E6EBEE;max-width:600px}
.hero-cta{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap}
.hero-media{position:relative;align-self:end;margin:0}
.ph-hero{position:relative;width:100%;aspect-ratio:635/620;background:#1a3a4a;overflow:hidden}
.ph-hero img{width:100%;height:100%;object-fit:cover;transform:scale(1.02);transition:transform 1.2s var(--ease)}
.hero-media:hover .ph-hero img{transform:scale(1.045)}
.ph-hero::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);pointer-events:none}
.load-in{opacity:0;transform:translateY(14px);animation:rise .8s var(--ease) forwards}
.load-in.d1{animation-delay:.08s}.load-in.d2{animation-delay:.18s}.load-in.d3{animation-delay:.28s}.load-in.d4{animation-delay:.38s}
@keyframes rise{to{opacity:1;transform:none}}
.hero-media.load-in{transform:none;animation:fade 1s .15s var(--ease) forwards}
@keyframes fade{to{opacity:1}}

/* Placeholders used anywhere an admin image is expected */
.ph{position:relative;background:repeating-linear-gradient(135deg,#eceae4 0 10px,#f4f2ec 10px 20px);display:grid;place-items:center;color:#8b8578;font-size:13px;font-weight:600;text-align:center;overflow:hidden}
.ph.dark{background:repeating-linear-gradient(135deg,#143545 0 10px,#183b4c 10px 20px);color:#9fb3bd}
.ph-label{display:grid;gap:6px;justify-items:center;padding:12px}
.ph-label svg{width:34px;height:34px;opacity:.7}

/* ---------- Start here ---------- */
.start{background:var(--cream)}
.start-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.start-head p{color:var(--muted);font-size:16px;max-width:470px;padding-bottom:6px}
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:30px 0 22px;padding:0;list-style:none}
.tab{border:1px solid var(--navy-3);background:transparent;color:var(--navy-3);padding:0 20px;min-height:42px;border-radius:999px;font-weight:700;font-size:15.5px;transition:background .25s,color .25s,transform .2s,box-shadow .25s}
.tab:hover{transform:translateY(-1px);box-shadow:0 8px 18px -12px rgba(16,39,56,.7)}
.tab[aria-selected="true"]{background:var(--navy-3);color:#fff}
.tab .soon{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-left:8px;opacity:.7}
.feature{display:grid;grid-template-columns:minmax(0,2.08fr) minmax(0,1fr);background:#fff;border:1px solid #E8E3D8;box-shadow:0 18px 40px -30px rgba(12,39,53,.35);transition:box-shadow .35s var(--ease),transform .35s var(--ease)}
.feature:hover{box-shadow:0 26px 50px -30px rgba(12,39,53,.45);transform:translateY(-2px)}
.feature-main{padding:34px 30px 32px}
.feature-main .eyebrow{font-size:11.5px;margin-bottom:10px}
.feature-main h3{font-size:clamp(24px,2.4vw,32px);font-weight:800;color:var(--navy);letter-spacing:-.03em;margin-bottom:12px}
.feature-main p{color:var(--muted);font-size:16px;line-height:1.6;max-width:680px}
.feature-main .actions{display:flex;align-items:center;gap:22px;margin-top:22px;flex-wrap:wrap}
.feature-side{background:linear-gradient(135deg,#F2E9DA,#F5EDE1);border-left:1px solid #EBE2D2;padding:34px 28px 32px;display:flex;flex-direction:column;justify-content:space-between;gap:20px}
.feature-side h4{font-family:var(--body);font-size:15px;font-weight:700;letter-spacing:0;color:var(--navy);margin-bottom:10px}
.feature-side p{color:var(--muted);font-size:15.5px;line-height:1.6}
.feature-side .series{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--bronze)}
.feature.swap{animation:swap .45s var(--ease)}
@keyframes swap{from{opacity:.2;transform:translateY(8px)}to{opacity:1;transform:none}}
.selector-link{margin-top:20px;display:flex;align-items:center;gap:12px;color:var(--muted);font-size:15px;flex-wrap:wrap}

/* ---------- Featured series ---------- */
.series-sec{background:var(--sand);overflow:hidden}
.series-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:clamp(28px,5vw,80px);align-items:center}
.series-copy p{color:var(--muted);font-size:17.5px;line-height:1.62;max-width:620px;margin-top:18px}
.series-copy p strong{color:var(--navy)}
.series-copy .h2-lg{margin-top:2px}
.series-copy .link-arrow{margin-top:24px;font-size:18px}

/* 3D book — works for any flat cover the admin uploads (2:3 portrait) */
.book3d{--w:300px;position:relative;width:var(--w);max-width:100%;aspect-ratio:2/3;margin-inline:auto;perspective:1400px;cursor:pointer;background:none;border:0;padding:0;display:block}
.book3d .b{position:absolute;inset:0;transform-style:preserve-3d;transform:rotateY(-24deg) rotateX(2deg);transition:transform .7s var(--ease)}
.book3d:hover .b,.book3d:focus-visible .b{transform:rotateY(-10deg) rotateX(1deg) translateY(-6px)}
.book3d .front{position:absolute;inset:0;border-radius:2px 5px 5px 2px;overflow:hidden;background:#0f2c4a;box-shadow:inset 3px 0 6px rgba(0,0,0,.35);transform:translateZ(14px)}
.book3d .front img{width:100%;height:100%;object-fit:cover}
.book3d .front::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.18) 0%,transparent 12%,transparent 70%,rgba(255,255,255,.08) 100%);pointer-events:none}
.book3d .spine{position:absolute;top:0;bottom:0;left:0;width:28px;background:linear-gradient(90deg,#08192a,#133355);transform:rotateY(-90deg) translateZ(0) translateX(-14px);transform-origin:left}
.book3d .pages{position:absolute;top:4px;bottom:4px;right:0;width:26px;background:repeating-linear-gradient(90deg,#fff 0 1px,#e9e4d8 1px 2px);transform:rotateY(90deg) translateZ(-12px) translateX(13px);transform-origin:right}
.book3d .shadow{position:absolute;left:8%;right:-6%;bottom:-6%;height:12%;background:radial-gradient(closest-side,rgba(12,39,53,.38),transparent);filter:blur(6px);z-index:-1;transition:transform .7s var(--ease),opacity .7s}
.book3d:hover .shadow{transform:scale(.92);opacity:.8}
.book3d .peek{position:absolute;left:50%;bottom:-54px;transform:translateX(-50%);background:rgba(255,255,255,.72);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--navy);border:1px solid rgba(12,39,53,.12);border-radius:999px;padding:8px 14px;font-size:13.5px;font-weight:700;white-space:nowrap;display:inline-flex;gap:7px;align-items:center;opacity:0;transition:opacity .3s,transform .3s}
.book3d:hover .peek,.book3d:focus-visible .peek{opacity:1;transform:translate(-50%,-4px)}
.book-render{position:relative;display:block;width:100%;margin-inline:auto;max-width:330px;cursor:pointer;background:none;border:0;padding:0}
.book-render img{width:100%;transition:transform .6s var(--ease),filter .6s}
.book-render:hover img{transform:translateY(-6px) rotate(-.6deg);filter:drop-shadow(0 18px 18px rgba(12,39,53,.18))}
.book-render .peek{position:absolute;left:50%;bottom:4%;transform:translateX(-50%);background:rgba(255,255,255,.72);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--navy);border-radius:999px;padding:8px 14px;font-size:13.5px;font-weight:700;display:inline-flex;gap:7px;align-items:center;opacity:0;transition:opacity .3s;white-space:nowrap}
.book-render:hover .peek,.book-render:focus-visible .peek{opacity:1}

/* ---------- Library ---------- */
.library{background:#fff}
.lib-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:28px}
.card-book{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s}
.card-book:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#dcd5c6}
.card-cover{position:relative;aspect-ratio:2/3;background:var(--sand);overflow:hidden;border:0;padding:0;cursor:pointer;display:block;width:100%}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.card-book:hover .card-cover img{transform:scale(1.04)}
.card-cover .over{position:absolute;inset:auto 0 0 0;padding:14px;display:flex;justify-content:center;background:linear-gradient(transparent,rgba(12,39,53,.55));opacity:0;transition:opacity .3s}
.card-book:hover .over,.card-cover:focus-visible .over{opacity:1}
.card-cover .over span{background:rgba(255,255,255,.78);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:999px;padding:7px 13px;font-size:13px;font-weight:700;color:var(--navy)}
.badge{position:absolute;top:12px;left:12px;z-index:2;background:var(--gold);color:var(--navy);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:5px 9px;border-radius:3px}
.badge.soon{background:rgba(12,39,53,.82);color:#fff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.card-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body .eyebrow{font-size:10.5px;margin:0}
.card-body h3{font-size:18px;font-weight:800;color:var(--navy);letter-spacing:-.02em;line-height:1.2}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.5}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:8px}
.price{font-family:var(--head);font-weight:800;font-size:19px;color:var(--navy);letter-spacing:-.02em}
.price s{font-family:var(--body);font-weight:500;font-size:13.5px;color:var(--muted-2);margin-left:6px}
.stars{display:inline-flex;gap:2px;color:var(--gold-2)}
.stars svg{width:15px;height:15px}
.card-slot{border:1.5px dashed #d8d1c1;border-radius:var(--radius);background:linear-gradient(180deg,#fcfbf8,#f6f3ec);display:flex;flex-direction:column}
.card-slot .ph{aspect-ratio:2/3;background:transparent}
.card-slot .card-body{border-top:1.5px dashed #e3dccd}

/* ---------- Reviews ---------- */
.reviews{background:var(--cream)}
.rev-top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:end;margin-bottom:30px}
.rev-score{display:flex;align-items:center;gap:14px}
.rev-score .big{font-family:var(--head);font-size:44px;font-weight:800;color:var(--navy);letter-spacing:-.04em}
.rev-score small{display:block;color:var(--muted);font-size:14px}
.rev-track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(290px,360px);gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 18px;scrollbar-width:thin}
.rev{scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:10px;transition:box-shadow .3s,transform .3s}
.rev:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.rev h4{font-family:var(--body);font-size:16.5px;font-weight:700;letter-spacing:0;color:var(--navy)}
.rev p{color:var(--muted);font-size:15px;line-height:1.6}
.rev .who{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--navy);font-weight:600}
.rev .who .av{width:34px;height:34px;border-radius:50%;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-weight:800;font-size:14px}
.rev .who small{display:block;font-weight:500;color:var(--muted-2);font-size:12.5px}
.rev .verified{font-size:11.5px;font-weight:700;color:var(--ok);background:#e8f4ed;border-radius:3px;padding:2px 6px;margin-left:auto}
.rev .reply{background:var(--cream);border-left:3px solid var(--gold);padding:10px 12px;font-size:14px;color:var(--navy);border-radius:0 4px 4px 0}
.rev-empty{background:#fff;border:1.5px dashed #d8d1c1;border-radius:var(--radius);padding:30px;text-align:center;color:var(--muted)}

/* ---------- Adverts ---------- */
.ads{background:#fff;padding-bottom:clamp(56px,7vw,84px)}
.ads .h2{color:var(--ad-navy)}
.ads .eyebrow{color:var(--bronze-2);font-size:12px}
.ads .lead{margin-top:10px;font-size:16px}
.ad-rail{position:relative;margin-top:38px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent 0,#000 7%,#000 93%,transparent)}
.ad-track{display:flex;gap:18px;width:max-content;animation:marquee var(--dur,40s) linear infinite;padding:10px 0 26px}
.ad-rail:hover .ad-track,.ad-rail:focus-within .ad-track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(calc(-50% - 9px))}}
.ad{width:min(420px,78vw);min-height:232px;flex:0 0 auto;border:1px solid #DFDCD3;padding:30px 28px 26px;display:flex;flex-direction:column;text-decoration:none;color:inherit;box-shadow:0 22px 40px -32px rgba(23,52,93,.45);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.ad:hover{transform:translateY(-4px);box-shadow:0 28px 46px -30px rgba(23,52,93,.55)}
.ad.sand{background:var(--ad-a)}.ad.mist{background:var(--ad-b)}.ad.white{background:#fff}
.ad .k{font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--bronze-2)}
.ad h3{margin-top:22px;font-size:24px;font-weight:800;color:var(--ad-navy);letter-spacing:-.025em;line-height:1.2}
.ad p{margin-top:10px;color:var(--muted);font-size:16px;line-height:1.55}
.ad .brandslot{margin-top:auto;padding-top:16px;min-height:44px;display:flex;align-items:center}
.ad .brandslot img{max-height:40px;max-width:170px;object-fit:contain}
.ad .brandslot .bname{font-weight:800;color:var(--ad-navy);font-size:16.5px;letter-spacing:.01em}
.ad .brandslot .ph{width:150px;height:40px;border:1px dashed #c9c2b3;border-radius:4px;font-size:11px;background:rgba(255,255,255,.5)}
.ad-note{margin-top:4px;font-size:13px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{background:#fff;border-top:1px solid var(--line)}
.faq-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:clamp(24px,5vw,70px)}
.faq-list{display:grid;gap:10px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:border-color .25s,box-shadow .25s}
.faq-item[open]{border-color:#d6cdb9;box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;color:var(--navy);display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .pm{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-2);display:grid;place-items:center;transition:transform .3s,background .3s}
.faq-item[open] summary .pm{transform:rotate(45deg);background:var(--gold);border-color:var(--gold)}
.faq-item .a{padding:0 20px 18px;color:var(--muted);line-height:1.65}
.faq-item .a a{color:var(--navy);font-weight:600}

/* ---------- Purchasing ---------- */
.pay{background:var(--paper)}
.pay .h2-lg{color:#142833}
.pay-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;margin-top:14px}
.pay-card{background:#fff;border:1px solid #E5E2DC;padding:26px 26px 22px;transition:box-shadow .3s,transform .3s}
.pay-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.pay-card h3{font-family:var(--body);font-size:21px;font-weight:700;letter-spacing:-.01em;color:#142833;margin-bottom:8px}
.pay-card p{color:#4E5A62;font-size:16.5px;line-height:1.55}
.pay-card p b{color:#142833}
.pay-btns{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.pay-btn{min-height:40px;padding:0 17px;background:#fff;border:1px solid #D6D2CA;border-radius:3px;font-weight:700;font-size:15px;color:#142833;display:inline-flex;align-items:center;gap:8px;transition:border-color .2s,box-shadow .25s,transform .2s,background .2s}
.pay-btn:hover{border-color:#142833;box-shadow:0 8px 18px -12px rgba(20,40,51,.6);transform:translateY(-1px)}
.pay-btn .dot{width:8px;height:8px;border-radius:50%;background:#35B44A}
.pay-btn.visa .dot{background:#1A1F71}.pay-btn.mc .dot{background:linear-gradient(90deg,#EB001B 50%,#F79E1B 50%)}
.contact{margin-top:26px}
.contact h3{font-size:22px;font-weight:800;color:#142833;margin-bottom:6px;letter-spacing:-.02em}
.contact p{font-size:18px;color:#1d3340;line-height:1.5}
.contact a{text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s,color .2s}
.contact a:hover{border-color:currentColor;color:var(--bronze)}
.pay-status{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:13px;font-weight:600;color:var(--muted)}
.pay-status i{width:8px;height:8px;border-radius:50%;background:#c7c2b8}
.pay-status.on i{background:var(--ok);box-shadow:0 0 0 4px rgba(31,138,76,.15)}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-2);color:#fff}
.foot{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:30px;padding-block:28px 24px;align-items:start}
.foot .name{font-weight:700;font-size:17.5px;letter-spacing:.01em}
.foot .slogan{font-weight:600;font-size:15px;color:#E7EBEE;margin-top:2px}
.foot .disc{font-size:13.5px;line-height:1.62;color:#C9D2D7}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:14px;padding:0;list-style:none}
.foot-links a{color:#AFC0C8;font-size:13.5px;text-decoration:none;transition:color .2s}
.foot-links a:hover{color:var(--gold)}
.foot-bar{border-top:1px solid rgba(255,255,255,.08);padding-block:12px;font-size:12.5px;color:#8FA3AD;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

/* ---------- Floating cart + developer tag ---------- */
.cart-fab{position:fixed;right:22px;bottom:78px;z-index:80;width:60px;height:60px;border-radius:50%;border:0;background:var(--navy);color:#fff;display:grid;place-items:center;box-shadow:0 18px 30px -12px rgba(12,39,53,.6),0 0 0 6px rgba(248,185,76,.18);transform:scale(0);transition:transform .45s cubic-bezier(.3,1.6,.5,1),box-shadow .3s}
.cart-fab.show{transform:scale(1)}
.cart-fab:hover{box-shadow:0 18px 30px -12px rgba(12,39,53,.7),0 0 0 9px rgba(248,185,76,.25)}
.cart-fab svg{width:26px;height:26px}
.cart-fab .count{position:absolute;top:-2px;right:-2px;min-width:24px;height:24px;border-radius:12px;background:var(--gold);color:var(--navy);font-weight:800;font-size:12.5px;display:grid;place-items:center;padding:0 6px;border:2px solid #fff}
.cart-fab.bump{animation:bump .5s var(--ease)}
@keyframes bump{30%{transform:scale(1.18)}60%{transform:scale(.94)}100%{transform:scale(1)}}
.dev-tag{position:fixed;right:18px;bottom:18px;z-index:70;display:none;align-items:center;gap:7px;padding:8px 13px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.02em;text-decoration:none;color:var(--navy);background:rgba(255,255,255,.66);-webkit-backdrop-filter:blur(10px) saturate(150%);backdrop-filter:blur(10px) saturate(150%);border:1px solid rgba(12,39,53,.12);box-shadow:0 8px 22px -14px rgba(12,39,53,.5);transition:background .25s,color .25s,transform .25s}
.dev-tag:hover{background:var(--navy);color:var(--gold);transform:translateY(-2px)}
.dev-tag svg{width:14px;height:14px}
@media (min-width:1024px){.dev-tag{display:inline-flex}}

/* ---------- Toast ---------- */
.toasts{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:200;display:grid;gap:8px;width:min(92vw,420px);pointer-events:none}
.toast{pointer-events:auto;background:rgba(12,39,53,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;padding:13px 16px;border-radius:10px;font-size:14.5px;box-shadow:var(--shadow-lg);display:flex;gap:10px;align-items:center;animation:toastIn .35s var(--ease)}
.toast.ok{border-left:4px solid var(--gold)}.toast.err{border-left:4px solid #ff7a70}
.toast button{margin-left:auto;background:none;border:0;color:var(--gold);font-weight:700}
@keyframes toastIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ==========================================================================
   Modals, drawer, reader
   ========================================================================== */
.overlay{position:fixed;inset:0;z-index:120;background:rgba(8,26,36,.46);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.overlay.open{opacity:1;visibility:visible}
.modal{position:fixed;z-index:130;left:50%;top:50%;width:min(94vw,var(--mw,560px));max-height:min(92svh,900px);display:flex;flex-direction:column;background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);transform:translate(-50%,-46%) scale(.98);opacity:0;visibility:hidden;transition:transform .35s var(--ease),opacity .3s,visibility .3s;overflow:hidden}
.modal.open{transform:translate(-50%,-50%);opacity:1;visibility:visible}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-head h2{font-size:20px;font-weight:800;color:var(--navy)}
.modal-body{padding:22px;overflow:auto;overscroll-behavior:contain}
.modal-foot{padding:16px 22px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;background:#fcfbf8}
.x{width:38px;height:38px;flex:none;border-radius:50%;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--navy);transition:background .2s,transform .25s}
.x:hover{background:var(--cream);transform:rotate(90deg)}
.x svg{width:16px;height:16px}

/* Book detail */
.bd{--mw:1040px}
.bd-grid{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:34px}
.bd-cover{background:var(--sand);border-radius:10px;padding:34px 24px 70px;display:flex;flex-direction:column;align-items:center;gap:12px}
.bd-cover .book3d{--w:230px}
.bd h3{font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--navy);letter-spacing:-.03em}
.bd .sub{color:var(--muted);margin-top:8px;font-size:16.5px}
.bd-meta{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--cream);border-radius:999px;padding:5px 11px;font-size:13px;font-weight:600;color:var(--navy)}
.bd-price{display:flex;align-items:baseline;gap:10px;margin:6px 0 18px}
.bd-price .price{font-size:30px}
.bd-actions{display:flex;gap:10px;flex-wrap:wrap}
.bd-tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-top:26px;overflow-x:auto}
.bd-tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:11px 14px;font-weight:700;color:var(--muted);white-space:nowrap;transition:color .2s,border-color .2s}
.bd-tabs button[aria-selected="true"]{color:var(--navy);border-color:var(--gold)}
.bd-panel{padding-top:18px;color:var(--muted);line-height:1.7}
.bd-panel h5{font-family:var(--body);color:var(--navy);font-size:15px;margin:0 0 6px}
.toc{counter-reset:c;list-style:none;padding:0;margin:0;display:grid;gap:2px}
.toc li{counter-increment:c;display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);color:var(--navy)}
.toc li::before{content:counter(c,decimal-leading-zero);font-family:var(--head);font-weight:800;color:var(--bronze);min-width:26px}
.toc li small{display:block;color:var(--muted);font-size:13.5px}
.samples{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}
.samples button{aspect-ratio:1/1.414;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#fff;padding:0;transition:transform .25s,box-shadow .25s}
.samples button:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.samples img{width:100%;height:100%;object-fit:cover}

/* Reader */
.reader{position:fixed;inset:0;z-index:140;display:flex;flex-direction:column;background:rgba(10,30,41,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.reader.open{opacity:1;visibility:visible}
.r-top{display:flex;align-items:center;gap:12px;padding:12px 18px;color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
.r-top .t{font-weight:700;font-size:15px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.r-top .t small{display:block;font-weight:500;color:#9fb3bd;font-size:12.5px}
.r-tools{margin-left:auto;display:flex;gap:6px;align-items:center}
.r-btn{height:38px;min-width:38px;padding:0 10px;border-radius:8px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:13.5px;font-weight:600;transition:background .2s}
.r-btn:hover{background:rgba(255,255,255,.16)}
.r-btn svg{width:17px;height:17px}
.r-stage{flex:1;overflow:auto;display:flex;justify-content:center;align-items:flex-start;padding:24px 14px 30px;gap:16px}
.r-pages{display:flex;gap:14px;justify-content:center;flex-wrap:nowrap}
.r-page{background:#fff;box-shadow:0 30px 60px -20px rgba(0,0,0,.6);position:relative;animation:pageIn .35s var(--ease)}
.r-page canvas,.r-page img{display:block;width:100%;height:auto}
@keyframes pageIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.r-lock{position:absolute;inset:auto 0 0 0;height:38%;background:linear-gradient(transparent,#fff 70%);display:flex;align-items:flex-end;justify-content:center;padding:22px;text-align:center}
.r-lock div{background:rgba(255,255,255,.85);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:12px;padding:16px 18px;max-width:340px;box-shadow:var(--shadow)}
.r-lock b{display:block;color:var(--navy);font-family:var(--head);font-size:17px;margin-bottom:4px}
.r-lock p{color:var(--muted);font-size:14px;margin-bottom:10px}
.r-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 18px;border-top:1px solid rgba(255,255,255,.1);color:#fff;flex-wrap:wrap}
.r-nav{display:flex;align-items:center;gap:8px;font-size:14px}
.r-buy{display:flex;align-items:center;gap:10px}
.r-buy .price{color:#fff;font-size:18px}
.r-empty{color:#fff;text-align:center;max-width:460px;margin:auto;display:grid;gap:14px;justify-items:center}
.r-empty .ph{width:240px;aspect-ratio:1/1.414;border-radius:4px}

/* Drawer (cart) */
.drawer{position:fixed;z-index:130;top:0;right:0;height:100%;height:100dvh;width:min(440px,100vw);background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);box-shadow:-30px 0 60px -30px rgba(12,39,53,.45);display:flex;flex-direction:column;transform:translateX(102%);transition:transform .45s var(--ease)}
.drawer.open{transform:none}
.cart-items{flex:1;overflow:auto;padding:8px 22px}
.ci{display:grid;grid-template-columns:62px minmax(0,1fr) auto;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);align-items:center;animation:rise .35s var(--ease) both}
.ci .cv{aspect-ratio:2/3;border-radius:3px;overflow:hidden;background:var(--sand);box-shadow:var(--shadow-sm)}
.ci .cv img{width:100%;height:100%;object-fit:cover}
.ci h4{font-family:var(--body);font-size:15px;font-weight:700;color:var(--navy);letter-spacing:0;line-height:1.3}
.ci small{color:var(--muted);font-size:13px}
.ci .rm{background:none;border:0;color:var(--muted);font-size:13px;text-decoration:underline;padding:4px 0}
.ci .rm:hover{color:var(--err)}
.cart-sum{padding:18px 22px;border-top:1px solid var(--line);background:rgba(250,249,245,.9);display:grid;gap:10px}
.row{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:15px;color:var(--muted)}
.row.total{color:var(--navy);font-weight:800;font-size:18px;font-family:var(--head)}
.cart-empty{text-align:center;padding:50px 10px;color:var(--muted);display:grid;gap:14px;justify-items:center}
.cart-empty svg{width:54px;height:54px;color:#c9c2b3}

/* Checkout */
.co{--mw:620px}
.steps{display:flex;gap:6px;margin-bottom:18px}
.steps span{flex:1;height:4px;border-radius:2px;background:var(--line);transition:background .3s}
.steps span.on{background:var(--gold)}
.field{display:grid;gap:6px;margin-bottom:14px}
.field label{font-size:13.5px;font-weight:700;color:var(--navy)}
.field .hint{font-size:12.5px;color:var(--muted)}
.input,.select,.textarea{width:100%;min-height:48px;border:1px solid var(--line-2);border-radius:8px;background:#fff;padding:0 14px;font-size:16px;transition:border-color .2s,box-shadow .2s}
.textarea{padding:12px 14px;min-height:120px;resize:vertical}
.input:focus,.select:focus,.textarea:focus{outline:0;border-color:var(--navy);box-shadow:0 0 0 4px rgba(248,185,76,.25)}
.input.bad{border-color:var(--err);box-shadow:0 0 0 4px rgba(179,38,30,.1)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.method{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:6px 0 16px}
.method label{position:relative;border:1.5px solid var(--line-2);border-radius:10px;padding:14px;cursor:pointer;display:grid;gap:4px;transition:border-color .2s,background .2s,box-shadow .2s}
.method input{position:absolute;opacity:0}
.method label:has(input:checked){border-color:var(--navy);background:var(--cream);box-shadow:0 0 0 3px rgba(248,185,76,.25)}
.method b{color:var(--navy);font-size:15.5px}
.method small{color:var(--muted);font-size:12.5px}
.sum-box{background:var(--cream);border:1px solid var(--line);border-radius:10px;padding:14px 16px;display:grid;gap:8px;margin-bottom:16px}
.code-row{display:flex;gap:8px}
.note{font-size:13px;color:var(--muted);line-height:1.5}
.note a{color:var(--navy);font-weight:600}
.opt{border:1px dashed var(--line-2);border-radius:10px;padding:12px 14px;margin-bottom:14px}
.opt summary{cursor:pointer;font-weight:700;color:var(--navy);font-size:14px}
.opt[open] summary{margin-bottom:12px}
.state{text-align:center;padding:10px 0 4px;display:grid;justify-items:center;gap:12px}
.state .ic{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;background:var(--cream);color:var(--navy)}
.state .ic svg{width:34px;height:34px}
.state.ok .ic{background:#e7f4ec;color:var(--ok)}
.state.err .ic{background:#fbeceb;color:var(--err)}
.state h3{font-size:22px;font-weight:800;color:var(--navy)}
.state p{color:var(--muted);max-width:420px}
.pulse{position:relative}
.pulse::after{content:"";position:absolute;inset:-8px;border-radius:50%;border:2px solid var(--gold);animation:pulse 1.6s ease-out infinite}
@keyframes pulse{from{opacity:.9;transform:scale(.85)}to{opacity:0;transform:scale(1.35)}}
.dl-list{display:grid;gap:10px;width:100%;text-align:left}
.dl{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:#fff}
.dl b{color:var(--navy);font-size:14.5px;display:block}
.dl small{color:var(--muted);font-size:12.5px}
.dl .btn{margin-left:auto}
.manual{background:#fff8e8;border:1px solid #f1dcae;border-radius:10px;padding:14px 16px;text-align:left;font-size:14.5px;color:#5b4a24;line-height:1.6}
.manual b{color:#3c2f11}

/* Review form + selector */
.rate{display:flex;gap:4px;flex-direction:row-reverse;justify-content:flex-end}
.rate input{position:absolute;opacity:0}
.rate label{cursor:pointer;color:#d8d1c1;transition:color .15s,transform .15s}
.rate label svg{width:30px;height:30px}
.rate label:hover,.rate label:hover~label,.rate input:checked~label{color:var(--gold-2)}
.rate label:hover{transform:scale(1.12)}
.hp{position:absolute;left:-9999px}
.sel-opts{display:grid;gap:10px}
.sel-opt{text-align:left;border:1.5px solid var(--line-2);border-radius:10px;background:#fff;padding:14px 16px;display:flex;gap:12px;align-items:center;transition:border-color .2s,background .2s,transform .2s}
.sel-opt:hover{border-color:var(--navy);background:var(--cream);transform:translateX(3px)}
.sel-opt b{color:var(--navy)}
.sel-opt small{display:block;color:var(--muted)}
.sel-opt .ico{width:40px;height:40px;border-radius:10px;background:var(--sand);display:grid;place-items:center;flex:none;font-size:20px}

/* Page (policy) layout */
.page-hero{background:var(--navy);color:#fff;padding:calc(var(--nav-h) + 36px) 0 46px}
.page-hero h1{font-size:clamp(30px,4vw,46px);font-weight:800}
.page-hero p{color:#cfd9de;margin-top:10px}
.prose{max-width:760px;color:#34444e;line-height:1.75;font-size:16.5px}
.prose h2{font-size:24px;color:var(--navy);margin:34px 0 10px}
.prose h3{font-size:19px;color:var(--navy);margin:26px 0 8px}
.prose p,.prose ul,.prose ol{margin:0 0 14px}
.prose a{color:var(--navy);font-weight:600}
.crumbs{font-size:13.5px;color:#9fb3bd;margin-bottom:12px}
.crumbs a{color:#cfd9de;text-decoration:none}
.crumbs a:hover{color:var(--gold)}

/* My books */
.mb-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;box-shadow:var(--shadow-sm)}
.mb-grid{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:28px;align-items:start}
.mb-books{display:grid;gap:12px}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .hero-inner{grid-template-columns:minmax(0,1fr) minmax(0,46%)}
  .brand .word{font-size:30px}
}
@media (max-width:900px){
  :root{--nav-h:78px}
  .nav-toggle{display:inline-flex}
  .nav-links{position:fixed;top:0;right:0;height:100dvh;width:min(320px,86vw);flex-direction:column;align-items:stretch;gap:4px;padding:92px 22px 22px;background:rgba(12,39,53,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transform:translateX(102%);transition:transform .4s var(--ease);box-shadow:-20px 0 50px -20px rgba(0,0,0,.6)}
  .nav-open .nav-links{transform:none}
  .nav-links a{padding:14px 6px;border-bottom:1px solid rgba(255,255,255,.08);font-size:18px}
  .nav-links .pill{text-align:center;margin-top:12px;border-bottom:1px solid rgba(255,255,255,.55)}
  .nav-links .nl::after{display:none}
  .nav-links .mob{display:block}
  .nav-toggle{position:relative;z-index:2}
  .brand{z-index:2}
  .hero-inner{grid-template-columns:1fr;padding-right:var(--gutter);min-height:0}
  .hero-copy{padding-bottom:34px;padding-top:30px}
  .hero-media{margin-inline:calc(var(--gutter)*-1) calc(var(--gutter)*-1)}
  .ph-hero{aspect-ratio:635/620}
  .feature{grid-template-columns:1fr}
  .feature-side{border-left:0;border-top:1px solid #EBE2D2}
  .series-grid{grid-template-columns:1fr}
  .series-visual{order:-1}
  .series-visual .book-render{max-width:270px}
  .faq-grid{grid-template-columns:1fr}
  .bd-grid{grid-template-columns:1fr}
  .mb-grid{grid-template-columns:1fr}
  .rev-top{grid-template-columns:1fr}
}
@media (min-width:901px){.nav-links .mob{display:none}}
@media (max-width:720px){
  .pay-grid{grid-template-columns:1fr;gap:16px}
  .foot{grid-template-columns:1fr;gap:14px}
  .lib-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .card-body{padding:12px}
  .card-body h3{font-size:15.5px}
  .card-body p{display:none}
  .price{font-size:16px}
  .card-foot{flex-direction:column;align-items:stretch}
  .card-foot .btn{width:100%}
  .grid2{grid-template-columns:1fr}
  .modal{width:100vw;max-height:94svh;top:auto;bottom:0;left:0;border-radius:18px 18px 0 0;transform:translateY(100%)}
  .modal.open{transform:none}
  .modal-body{padding:18px}
  .modal-head{padding:14px 18px}
  .bd-cover{padding:26px 16px 64px}
  .r-top .hide-sm{display:none}
  .r-buy .price{display:none}
  .cart-fab{bottom:18px;right:16px;width:56px;height:56px}
  .start-head p{padding-bottom:0}
}
@media (max-width:420px){
  .brand .word{font-size:26px}
  .brand .tag{font-size:8.2px}
  .hero h1{font-size:37px}
  .btn-hero{width:100%}
  .method{grid-template-columns:1fr}
  .tab{font-size:14px;padding:0 15px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .ad-track{animation:none!important;overflow-x:auto}
  .load-in{opacity:1;transform:none}
}
@media print{
  .site-header,.cart-fab,.dev-tag,.toasts,.overlay,.modal,.drawer,.reader{display:none!important}
}