/* скрытое — скрыто, даже если у элемента свой display (grid, flex) */
[hidden]{display:none!important}
/* страницы методичек */
.shop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:8px 0 30px}
.book{display:block;background:var(--card);border:1px solid rgba(111,122,95,.16);border-radius:18px;padding:18px;text-decoration:none;color:inherit;transition:.18s}
.book:hover{border-color:var(--olive);transform:translateY(-2px)}
.cover{display:block;position:relative;aspect-ratio:600/851;border-radius:12px;border:1px solid rgba(111,122,95,.18);overflow:hidden;margin-bottom:14px;box-shadow:0 10px 26px rgba(47,47,49,.10)}
.cover img{display:block;width:100%;height:100%;object-fit:cover}
.cover i{position:absolute;left:0;right:0;top:0;height:22%;background:var(--olive)}
.cover b{position:absolute;left:14px;right:14px;top:30%;font-family:'PT Serif',Georgia,serif;font-weight:400;font-size:clamp(17px,2.2vw,22px);line-height:1.2;color:#2f2f31}
.cover small{position:absolute;left:14px;right:14px;bottom:14px;font-size:11px;color:#7d7972;letter-spacing:.02em}
.book h3{margin:0 0 6px;font-family:'PT Serif',Georgia,serif;font-weight:400;font-size:19px;line-height:1.25}
.book p{margin:0 0 10px;font-size:14px;color:#5a5a5c}
.book .price{font-weight:700;color:var(--terra)}
.book .soon{color:#7d7972;font-weight:700}
.prod{display:grid;grid-template-columns:240px 1fr;gap:28px;align-items:start;margin:6px 0 26px}
.prod .cover{margin:0}
.prod h1{margin:0 0 6px;font-size:clamp(26px,3.4vw,36px)}
.prod .sub{margin:0 0 10px;color:#7d7972;font-size:15px}
.prod .lead{margin:0 0 16px}
.price-row{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:0 0 6px}
.price-big{font-family:'PT Serif',Georgia,serif;font-size:30px;color:var(--terra)}
.meta{font-size:13px;color:#7d7972}
.buy-box{background:var(--card);border:1px solid rgba(111,122,95,.16);border-radius:18px;padding:24px;margin:26px 0}
.buy-box h2{margin:0 0 6px;font-size:22px}
.buy-box .form label{display:block;font-size:14px;font-weight:700;margin:12px 0 6px}
.buy-box input[type=email]{width:100%;box-sizing:border-box;font:inherit;font-size:16px;padding:13px 14px;border:1px solid rgba(111,122,95,.3);border-radius:12px;background:#fff}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#5a5a5c;margin:12px 0 0;cursor:pointer}
.consent input{margin-top:3px;width:18px;height:18px;flex:none}
.buy-box .btn{margin-top:16px;width:100%;justify-content:center}
.form-status{min-height:1.2em;font-size:14px;margin:10px 0 0}
.form-status.err{color:#b3423a}.form-status.ok{color:#4f6b3a}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.soon-box{background:var(--soft);border-radius:14px;padding:16px 18px;color:#5a5a5c}
.testmode{font-size:13px;color:#b3423a;margin:8px 0 0}
details.qa{border-top:1px solid rgba(111,122,95,.16);padding:12px 0}
details.qa summary{cursor:pointer;font-weight:700;list-style:none}
details.qa summary::-webkit-details-marker{display:none}
details.qa p{margin:8px 0 0;color:#4a4a4c}
.resend{margin:14px 0 0}
.resend form{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.resend input[type=email]{flex:1 1 220px;font:inherit;font-size:16px;padding:11px 12px;border:1px solid rgba(111,122,95,.3);border-radius:12px;background:#fff;min-width:0}
.author{display:flex;gap:16px;align-items:center;margin:30px 0 0;padding:18px;background:var(--soft);border-radius:16px}
.author img{width:72px;height:72px;border-radius:50%;object-fit:cover;flex:none}
.author p{margin:0;font-size:15px}
.thanks{text-align:center;padding:20px 0}
.thanks .dl{display:inline-flex;margin:16px 0 8px}
.thanks .note{font-size:14px;color:#5a5a5c}
.spin{display:inline-block;width:18px;height:18px;border:2px solid rgba(111,122,95,.3);border-top-color:var(--olive);border-radius:50%;animation:sp .9s linear infinite;vertical-align:-4px;margin-right:8px}
@keyframes sp{to{transform:rotate(360deg)}}
@media(max-width:760px){.shop-grid{grid-template-columns:1fr}.prod{grid-template-columns:1fr}.prod .cover{max-width:220px}}

/* промокод */
details.promo{margin:14px 0 0}
details.promo summary{cursor:pointer;font-size:14px;color:var(--olive);font-weight:700;list-style:none}
details.promo summary::-webkit-details-marker{display:none}
.promo-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.promo-row input{flex:1 1 160px;min-width:0;font:inherit;font-size:16px;padding:11px 12px;border:1px solid rgba(111,122,95,.3);border-radius:12px;background:#fff;text-transform:uppercase;letter-spacing:.04em}
.promo-row .btn{height:46px;width:auto;margin:0}
.price-big s{color:#9a968d;font-size:.7em;margin-right:8px}

/* ---------- обложка — напечатанная тетрадь (макет) ---------- */
.cover.mock{aspect-ratio:600/740;border:0;border-radius:0;box-shadow:none;background:transparent;overflow:visible}
.cover.mock img{object-fit:contain}
.book .cover.mock{margin:-6px 0 6px}

/* ---------- листалка первых страниц ---------- */
.peek{margin:6px 0 34px}
.peek h2{margin:0 0 4px}
.peek .pk-sub{margin:0 0 16px;color:#7d7972;font-size:14px}
.pk-stage{position:relative;display:flex;align-items:center;gap:10px;outline:none;padding:6px 0 26px;overflow:hidden}
.pk-stage:focus-visible{box-shadow:0 0 0 3px rgba(111,122,95,.35);border-radius:14px}
.pk-nav{flex:none;width:44px;height:44px;border-radius:50%;border:1px solid rgba(111,122,95,.3);background:#fff;color:var(--graphite,#2F2F31);
  font-size:26px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.15s;z-index:400}
.pk-nav:hover:not(:disabled){border-color:var(--olive);color:var(--olive)}
.pk-nav:disabled{opacity:.3;cursor:default}
.pk-book{position:relative;flex:1;margin:0 auto;cursor:pointer;-webkit-user-select:none;user-select:none}
.pk-count{text-align:center;font-size:14px;color:#7d7972;margin:0}
.pk-face{position:absolute;inset:0;background:#fffdf8;overflow:hidden;-webkit-backface-visibility:hidden;backface-visibility:hidden}
.pk-face img{display:block;width:100%;height:100%;object-fit:cover;pointer-events:none}

/* разворот */
.pk-book.spread{aspect-ratio:296/210;perspective:2400px;transition:transform .6s cubic-bezier(.3,.1,.2,1)}
.pk-book.spread.closed{transform:translateX(-25%)}
.spread .pk-sheet,.spread .pk-base{position:absolute;top:0;left:50%;width:50%;height:100%}
.spread .pk-sheet{transform-origin:left center;transform-style:preserve-3d;transition:transform .75s cubic-bezier(.35,.08,.2,1)}
.spread .pk-sheet.turned{transform:rotateY(-180deg)}
.spread .pk-back{transform:rotateY(180deg)}
/* тень у корешка: у правых страниц — слева, у левых — справа */
.spread .pk-front::after,.spread .pk-back::after{content:"";position:absolute;top:0;bottom:0;width:14%;pointer-events:none}
.spread .pk-front::after{left:0;background:linear-gradient(90deg,rgba(40,32,20,.22),rgba(40,32,20,.06) 35%,rgba(40,32,20,0))}
.spread .pk-back::after{right:0;background:linear-gradient(270deg,rgba(40,32,20,.22),rgba(40,32,20,.06) 35%,rgba(40,32,20,0))}
/* закрытая книга: у обложки тени корешка нет, зато видна толщина */
.spread.closed .pk-sheet[data-i="0"] .pk-front::after{width:5%;background:linear-gradient(90deg,rgba(0,0,0,.22),rgba(255,255,255,.25) 40%,rgba(0,0,0,0))}
/* стопка листов под правой половиной и тень книги */
.spread .pk-base{box-shadow:1px 1px 0 #efe9dd,2px 2px 0 #e2dbcd,3px 3px 0 #efe9dd,4px 4px 0 #ddd5c6,0 16px 30px -6px rgba(45,36,22,.28)}
.spread.closed .pk-base{box-shadow:1px 1px 0 #efe9dd,2px 2px 0 #e2dbcd,3px 3px 0 #efe9dd,4px 4px 0 #ddd5c6,5px 5px 0 #e8e1d3,0 16px 30px -6px rgba(45,36,22,.3)}
.spread .pk-sheet.turned .pk-back{box-shadow:0 16px 30px -6px rgba(45,36,22,.28)}

/* одна страница (телефон) */
.pk-book.single{max-width:380px;aspect-ratio:148/210;perspective:1500px}
.single .pk-sheet{position:absolute;inset:0;transform-origin:left center;transition:transform .42s cubic-bezier(.35,.08,.2,1),opacity .22s ease .2s;
  box-shadow:0 12px 26px -8px rgba(45,36,22,.3)}
.single .pk-sheet.turned{transform:rotateY(-105deg);opacity:0;pointer-events:none}
.single .pk-sheet[data-i="4"]{box-shadow:1px 1px 0 #efe9dd,2px 2px 0 #e2dbcd,3px 3px 0 #efe9dd,4px 4px 0 #ddd5c6,0 12px 26px -8px rgba(45,36,22,.3)}
.single .pk-front::after{content:"";position:absolute;top:0;bottom:0;left:0;width:6%;background:linear-gradient(90deg,rgba(40,32,20,.16),rgba(40,32,20,0))}

/* пятая страница: текст затухает, приглашение к покупке */
.pk-cta{position:absolute;left:0;right:0;bottom:0;height:52%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;
  text-align:center;padding:0 8% 9%;background:linear-gradient(180deg,rgba(255,253,248,0) 0,rgba(255,253,248,.88) 32%,#fffdf8 52%)}
.pk-cta p{margin:0 0 12px;font-family:'PT Serif',Georgia,serif;font-size:clamp(14px,1.6vw,17px);line-height:1.35;color:#3b3b3d}
.pk-cta .btn{height:44px;padding:0 20px;font-size:14px;width:auto;margin:0}

@media(max-width:760px){
  .pk-stage{flex-wrap:wrap;justify-content:center;gap:10px 18px}
  .pk-book{flex:0 0 100%;order:-1}
  .pk-nav{width:48px;height:48px}
}

/* ---------- куда прислать ---------- */
.chan{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;margin:4px 0 2px}
.chan-cap{flex:0 0 100%;font-size:14px;font-weight:700}
.chan label{display:inline-flex;gap:7px;align-items:center;font-size:15px;margin:0;cursor:pointer}
.chan input{width:18px;height:18px;margin:0}
.buy-box input[type=tel]{width:100%;box-sizing:border-box;font:inherit;font-size:16px;padding:13px 14px;border:1px solid rgba(111,122,95,.3);border-radius:12px;background:#fff}

/* ---------- страница перевода ---------- */
.pv{max-width:520px;margin:10px auto 0;text-align:left;background:var(--card);border:1px solid rgba(111,122,95,.16);border-radius:18px;padding:20px 22px}
.pv-row{display:grid;grid-template-columns:1fr auto;gap:2px 12px;align-items:center;padding:10px 0;border-bottom:1px solid rgba(111,122,95,.12)}
.pv-row span{grid-column:1/-1;font-size:13px;color:#7d7972}
.pv-row b{font-size:19px;overflow-wrap:anywhere}
.pv-copy{font:inherit;font-size:13px;padding:6px 10px;border-radius:9px;border:1px solid rgba(111,122,95,.3);background:#fff;cursor:pointer}
.pv-copy.ok{border-color:var(--olive);color:var(--olive)}
.pv-link{width:100%;justify-content:center;margin:16px 0 4px}
.pv-qr{text-align:center;margin:14px 0 4px}
.pv-qr img{width:220px;max-width:100%;height:auto;border-radius:12px;border:1px solid rgba(111,122,95,.2);background:#fff;padding:8px}
.pv #pv-claim{width:100%;justify-content:center;margin-top:16px}
#pv-claimed,#pv-done,#pv-none{max-width:520px;margin:10px auto 0}

/* каталог на телефоне: макет слева, текст и цена справа */
@media(max-width:520px){
  .shop-grid{gap:12px}
  .book{display:grid;grid-template-columns:100px 1fr;column-gap:14px;align-items:center;padding:12px 14px}
  .book .cover.mock{grid-row:1 / span 3;margin:0}
  .book h3{font-size:17px;margin:0 0 4px}
  .book p{font-size:13.5px;margin:0 0 6px}
  .book .price,.book .soon{margin:0}
}