:root{
  --ink:#3c2847;
  --muted:#706078;
  --pink:#f6559b;
  --pink-dark:#c92f73;
  --violet:#7552d8;
  --blue:#1989dc;
  --paper:#fffafd;
  --white:#fff;
  --line:rgba(74,42,92,.12);
  --shadow:0 24px 70px rgba(78,42,94,.14);
  --max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  color:var(--ink);
  background:
    radial-gradient(circle at 7% 7%,rgba(246,85,155,.12),transparent 24rem),
    radial-gradient(circle at 92% 16%,rgba(25,137,220,.12),transparent 28rem),
    var(--paper);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.55;
  overflow-wrap:break-word;
}
img{display:block;max-inline-size:100%;block-size:auto}
a{color:inherit}
.wrap{width:min(var(--max),calc(100% - 34px));margin-inline:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:100;background:#fff;padding:12px 16px;border-radius:12px;box-shadow:var(--shadow)}
.site-header{
  position:sticky;top:0;z-index:30;
  background:rgba(255,250,253,.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:950;letter-spacing:-.03em;color:#0b55c8;white-space:nowrap}
.brand-logo{inline-size:46px;block-size:46px;flex:0 0 46px;object-fit:contain;object-position:center;border-radius:14px;background:#fff;padding:4px;box-shadow:0 8px 22px rgba(45,73,140,.12)}
.nav-links{display:flex;align-items:center;gap:17px}
.nav-links a{text-decoration:none;font-weight:820;font-size:.93rem}
.nav-links a:hover{text-decoration:underline;text-underline-offset:3px}
.nav-cta{padding:10px 16px;border-radius:999px;background:#482e56;color:#fff;white-space:nowrap}
.nav-cta:hover{text-decoration:none!important}
.lang-switch{display:inline-flex;align-items:center;justify-content:center;min-inline-size:38px;min-block-size:36px;padding:6px 9px;border:1px solid var(--line);border-radius:999px;background:#fff;white-space:nowrap}
.hero{padding:72px 0 76px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(390px,1.08fr);gap:58px;align-items:center}
.hero-copy,.cover-card,.bonus-copy,.bonus-preview{min-width:0}
.eyebrow,.kicker{margin:0 0 12px;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:950;color:var(--pink-dark)}
h1{font-size:clamp(3.4rem,7vw,6.3rem);line-height:.87;letter-spacing:-.065em;margin:0 0 24px;color:#493052}
h2{font-size:clamp(2.25rem,4.6vw,4rem);line-height:.98;letter-spacing:-.05em;margin:0 0 18px}
h3{font-size:1.25rem;line-height:1.15;margin:0 0 9px;letter-spacing:-.025em}
.lead{max-width:670px;margin:0;color:var(--muted);font-size:clamp(1.08rem,2vw,1.3rem)}
.fact-row{display:flex;flex-wrap:wrap;gap:9px;margin:26px 0 0}
.fact-row span{padding:9px 13px;border:1px solid rgba(91,52,107,.13);border-radius:999px;background:rgba(255,255,255,.8);font-weight:800;font-size:.91rem;box-shadow:0 6px 20px rgba(75,45,89,.05)}
.fact-row strong{color:var(--pink-dark)}
.actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:27px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 19px;border-radius:999px;text-decoration:none;font-weight:900;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:4px solid rgba(246,85,155,.24);outline-offset:3px}
.btn-primary{background:linear-gradient(135deg,var(--pink-dark),var(--pink));color:#fff;box-shadow:0 12px 30px rgba(201,47,115,.23)}
.btn-light{background:#fff;border-color:var(--line);box-shadow:0 9px 26px rgba(70,40,90,.06)}
.micro{margin:15px 0 0;color:#847289;font-size:.88rem}
.cover-card{margin:0;position:relative;padding:22px;border:1px solid rgba(87,54,104,.12);border-radius:38px;background:linear-gradient(145deg,#fff,#fff4fa 55%,#eef8ff);box-shadow:var(--shadow)}
.cover-card::before{content:"";position:absolute;inset:10% -8% -10% 14%;z-index:-1;background:radial-gradient(circle,rgba(246,85,155,.21),rgba(117,82,216,.10) 42%,transparent 72%);filter:blur(18px)}
.book-cover{
  inline-size:100%;
  block-size:auto;
  max-inline-size:100%;
  aspect-ratio:1 / 1;
  object-fit:contain;
  object-position:center;
  border-radius:24px;
  box-shadow:0 18px 48px rgba(61,35,72,.18);
}
.cover-card figcaption{padding:14px 4px 0;text-align:center;color:var(--muted);font-size:.88rem;font-weight:800}
.section{padding:78px 0}
.section-head{max-width:780px;margin-bottom:32px}
.section-head p:not(.kicker){margin:0;color:var(--muted);font-size:1.08rem}
.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.detail-grid article{padding:28px;border:1px solid var(--line);border-radius:26px;background:#fff;box-shadow:0 12px 36px rgba(70,40,90,.06)}
.detail-grid article>span{display:grid;place-items:center;width:48px;height:48px;margin-bottom:18px;border-radius:15px;background:linear-gradient(135deg,#fff0f6,#eef7ff);font-size:1.45rem}
.detail-grid p{margin:0;color:var(--muted)}
.gallery-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.page-thumb{margin:0;background:#fff;border:1px solid var(--line);border-radius:24px;padding:12px;box-shadow:0 12px 30px rgba(70,40,90,.06)}
.page-thumb img{inline-size:100%;aspect-ratio:1 / 1;object-fit:contain;object-position:center;border-radius:16px;background:#fbfbfd}
.page-thumb figcaption{padding-top:10px;text-align:center;color:var(--muted);font-size:.85rem;font-weight:750}
.bonus-section{background:linear-gradient(180deg,rgba(255,255,255,.52),rgba(245,239,255,.62));border-block:1px solid rgba(84,52,99,.07)}
.bonus-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}
.bonus-preview{position:relative;margin:0;padding:16px;border-radius:32px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.bonus-preview img{
  inline-size:100%;
  block-size:auto;
  max-inline-size:100%;
  aspect-ratio:1400 / 1045;
  object-fit:contain;
  object-position:center;
  border-radius:21px;
}
.free-badge{position:absolute;right:-12px;top:-16px;z-index:2;padding:11px 17px;border-radius:999px;background:#fff;color:var(--pink-dark);font-weight:1000;letter-spacing:.08em;box-shadow:0 12px 30px rgba(70,40,90,.15);border:2px solid #ffd2e4}
.bonus-copy>p:not(.kicker):not(.micro){color:var(--muted);font-size:1.09rem}
.download-options{display:grid;gap:11px;margin:24px 0}
.download-options div{display:grid;grid-template-columns:58px 1fr;gap:13px;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.76)}
.download-options strong{display:grid;place-items:center;min-height:38px;border-radius:11px;background:#4a3155;color:#fff;font-size:.86rem;letter-spacing:.04em}
.download-options span{color:var(--muted)}
.author-card{display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:center;padding:26px;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:0 12px 36px rgba(70,40,90,.06)}
.author-photo{inline-size:120px;block-size:120px;border-radius:999px;object-fit:cover;object-position:center;box-shadow:0 14px 30px rgba(27,27,27,.14)}
.author-card p{margin:0;color:var(--muted)}
.author-card h3{margin:0 0 10px}
.faq-layout{display:grid;grid-template-columns:.62fr 1.38fr;gap:54px;align-items:start}
.section-head.compact{margin:0}
.faq{display:grid;gap:11px}
details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 20px;box-shadow:0 8px 24px rgba(70,40,90,.04)}
summary{position:relative;cursor:pointer;list-style:none;padding:18px 30px 18px 0;font-weight:900}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:0;top:12px;color:var(--pink-dark);font-size:1.7rem}
details[open] summary::after{content:"–"}
details p{margin:0 0 18px;color:var(--muted)}
.site-footer{padding:30px 0 38px;border-top:1px solid var(--line);background:#fff}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;color:#76667c;font-size:.9rem}
.footer-brandline{display:flex;align-items:center;gap:10px}
.footer-brandline img{inline-size:40px;block-size:40px;flex:0 0 40px;object-fit:contain;object-position:center;border-radius:11px;background:#fff;padding:3px;box-shadow:0 8px 20px rgba(31,124,236,.11)}
.footer-brandline strong{color:#0b55c8}
.footer-links{display:flex;gap:17px;flex-wrap:wrap}
.footer-links a{text-decoration:none;font-weight:800}
.footer-links a:hover{text-decoration:underline}
@media(max-width:1080px){.gallery-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:920px){
  .nav-links a:not(.nav-cta):not(.lang-switch){display:none}
  .nav-links{gap:9px}
  .hero{padding-top:48px}
  .hero-grid,.bonus-grid,.faq-layout{grid-template-columns:1fr}
  .hero-grid{gap:38px}
  .cover-card{width:min(680px,100%);margin-inline:auto}
  .detail-grid,.gallery-grid{grid-template-columns:1fr}
  .faq-layout{gap:28px}
  .author-card{grid-template-columns:1fr;text-align:center;justify-items:center}
}
@media(max-width:620px){
  .wrap{width:min(100% - 24px,var(--max))}
  .nav{min-height:68px;gap:9px}.brand-logo{inline-size:42px;block-size:42px;flex-basis:42px}.brand span{font-size:.96rem}
  .nav-cta{font-size:.82rem;padding:9px 12px}.lang-switch{font-size:.82rem;min-inline-size:34px;padding:6px 8px}
  .hero{padding:42px 0 54px}
  h1{font-size:clamp(3rem,15vw,4.5rem)}
  .cover-card{padding:12px;border-radius:26px}.book-cover{border-radius:18px}
  .section{padding:60px 0}
  .detail-grid article,.author-card{padding:24px}
  .bonus-grid{gap:32px}.bonus-preview{padding:10px;border-radius:24px}.bonus-preview img{border-radius:16px}
  .free-badge{right:-4px;top:-13px;padding:9px 13px;font-size:.78rem}
  .actions .btn{width:100%}
  .footer-inner,.footer-brandline,.footer-links{justify-content:center;text-align:center}
}
@media(max-width:410px){.brand span{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}.btn:hover{transform:none}}