:root{
  --deep:#0b1f3a; --deep-2:#071525; --teal:#0e8aa7; --teal-2:#0b7390;
  --sand:#f3ede1; --mist:#eff5f8; --ink:#111827; --body:#374151; --line:#e6ebf1; --ok:#10b981;

  /* Контроль плотности затемнения hero */
  --hero-img-opacity:.22;
  --hero-grad-top:.06;
  --hero-grad-mid:.02;
  --hero-grad-bot:.12;
}
*{box-sizing:border-box} html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial,sans-serif;color:var(--body);background:#fff;line-height:1.6}
.container{max-width:1040px;margin:0 auto;padding:0 20px}
.section{padding:56px 0} .hr{height:1px;background:var(--line);margin:32px 0}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid var(--line)}
.header .row{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);text-decoration:none}
.brand .dot{width:10px;height:10px;background:var(--teal);border-radius:50%}
.langswitch{display:flex;gap:8px;align-items:center}
.langswitch button{background:transparent;border:none;padding:6px 10px;border-radius:8px;cursor:pointer;color:var(--ink);font-weight:700}
.langswitch button.active{background:var(--mist);border:1px solid #dbe7ee}

/* HERO */
.hero{color:#fff;padding:84px 0 72px;position:relative;overflow:hidden;background:#0d2745}
.hero::before{content:"";position:absolute;inset:0;background:url('../assets/img/hero-bg.jpg') center/cover no-repeat;opacity:var(--hero-img-opacity)}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,
    rgba(0,0,0,var(--hero-grad-top)) 0%,
    rgba(0,0,0,var(--hero-grad-mid)) 38%,
    rgba(0,0,0,var(--hero-grad-bot)) 100%);
}
.hero > .container{position:relative}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.hero h1{font-size:44px;line-height:1.1;margin:0 0 12px;text-shadow:0 2px 6px rgba(0,0,0,.25)}
.hero p.lead{font-size:18px;opacity:.95;margin:0 0 22px;text-shadow:0 2px 6px rgba(0,0,0,.18)}
.cta-wrap{display:flex;gap:12px;flex-wrap:wrap}
.cta{display:inline-block;padding:14px 22px;border-radius:12px;background:var(--teal);color:#fff;font-weight:800;text-decoration:none}
.cta:hover{background:var(--teal-2)}
.cta.secondary{background:transparent;border:1px solid rgba(255,255,255,.7)}
.cta.disabled{opacity:.6;pointer-events:none;border-style:dashed}
.kpis{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;opacity:.95}
.kpis span{display:inline-flex;align-items:center;gap:8px}
.kpis .dot{width:8px;height:8px;background:#fff;border-radius:50%;opacity:.65}
.figure{display:flex;align-items:center;justify-content:center}
.figure img{max-width:100%;height:auto;border-radius:14px;box-shadow:0 10px 24px rgba(2,12,27,.35)}

/* Sections / Cards */
.muted{background:var(--mist)}
.twocol{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
@media (max-width:900px){.hero-grid,.twocol{grid-template-columns:1fr}}

.list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.item{background:#fff;border:1px solid #dfe9f0;border-radius:12px;padding:14px 14px 14px 12px;display:flex;gap:10px;align-items:flex-start}
.item .tick{color:var(--ok);font-weight:900;margin-top:2px}

/* ABOUT: 2 карточки + 1 широкая на десктопе */
.list.two-cols{display:grid;grid-template-columns:repeat(2,minmax(260px,1fr));gap:14px}
.item.span-2{grid-column:1 / -1}
@media (max-width:900px){
  .list.two-cols{grid-template-columns:1fr}
  .item.span-2{grid-column:auto}
}

/* Обложка справа — одна */
.cover-inline{display:flex;align-items:center;justify-content:center}
.cover-inline img{width:320px;max-width:40vw;height:auto;border-radius:14px;box-shadow:0 10px 24px rgba(2,12,27,.35)}
@media (max-width:900px){
  .cover-inline img{width:220px;max-width:60vw}
}

.badge{display:inline-block;background:#173a67;color:#cfe7ff;padding:6px 10px;border-radius:999px;font-size:12px;border:1px solid rgba(255,255,255,.2)}

/* Pricing */
.pricing{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.price-card{background:#0e223f;color:#fff;border-radius:16px;padding:22px;box-shadow:0 10px 24px rgba(2,12,27,.25);border:1px solid rgba(255,255,255,.06)}
.price-card h3{margin:0 0 8px}
.price{font-size:28px;font-weight:800;margin:4px 0 12px}
.price small{opacity:.8}
.price-card ul{margin:10px 0 16px;padding-left:18px}
.price-card .cta{background:var(--teal);width:100%;text-align:center}

/* Author */
.author{background:var(--sand)}
.author .card{display:grid;grid-template-columns:130px 1fr;gap:18px;align-items:center;background:#fff;border:1px solid #ebdfc8;border-radius:14px;padding:16px}
.author img{width:120px;height:120px;object-fit:cover;border-radius:12px;background:#ddd}

/* FAQ */
.faq details{background:#fff;border:1px solid #e8eef4;border-radius:12px;padding:14px 18px}
.faq details+details{margin-top:10px}
.faq summary{cursor:pointer;font-weight:700;color:var(--ink)}
.faq p{margin:10px 0 0}

/* Sticky CTA */
.sticky-cta{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;gap:8px;align-items:center}
.sticky-cta .cta{box-shadow:0 10px 20px rgba(14,138,167,.35)}
@media (min-width:901px){.sticky-cta{display:none}}

/* Footer */
.footer{padding:28px 0;color:#6b7280;border-top:1px solid var(--line);font-size:14px}
.footer a{color:inherit}
.footer .row{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* Utils */
.lang{display:none} .lang.active{display:block}
.center{text-align:center}
.note{font-size:13px;opacity:.8}
.toc-cols{columns:2;column-gap:32px} @media(max-width:900px){.toc-cols{columns:1}}

/* QR grid */
.qr-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.qr-card{background:#fff;border:1px solid #e3ebf2;border-radius:12px;padding:14px}
.qr-card h4{margin:0 0 6px}

/* Мобильный оверлей */
@media (max-width:600px){
  :root{
    --hero-img-opacity:.28;
    --hero-grad-top:.10;
    --hero-grad-mid:.06;
    --hero-grad-bot:.18;
  }
}
.excerpt-intro {
  margin-top: 24px;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 14px;
  color: #0f172a; /* или твой основной текстовый цвет */
}

details.excerpt {
  margin-bottom: 12px;
}

details.excerpt summary {
  cursor: pointer;
  font-weight: 500;
}
.author-main-block p {
  margin: 0;
}

.author-name {
  font-weight: 600;
}

.author-role {
  margin-top: 2px;
}

.author-stats {
  margin-top: 2px;
  color: #475569;
}

.author-meta {
  margin-top: 10px; /* вот ТУТ единственная пауза */
}
.hero::before,
.hero::after {
  pointer-events: none;
}

/* === Book excerpt (раскрывашка с фрагментом) === */

details.excerpt {
  margin-bottom: 16px;
}

details.excerpt summary {
  cursor: pointer;
  font-weight: 600;
}

.excerpt-content {
  margin-top: 12px;
}

.excerpt-content p {
  margin: 0 0 12px;
}

.excerpt-meta {
  font-size: 0.9rem;
  opacity: 0.7;
  margin-bottom: 12px;
}

.excerpt-highlight {
  margin-top: 16px;
  padding-left: 14px;
  border-left: 3px solid rgba(0,0,0,0.15);
}