/* ══════════════════════════════════════════════════════════
   «Гид по обучению»: общая страница, статьи и блок в каталоге.
   Разметку пишет scripts/build-learning-materials.py — после правки
   этого файла поднять CSS_VERSION в сборщике и пересобрать.
   Матово: без градиентов, свечения, размытия и бесконечных анимаций.
══════════════════════════════════════════════════════════ */
.lm-page, .lm-block {
  --lm-purple: #361163;
  --lm-gold: #C0A582;
  --lm-steel: #505050;
  --lm-line: #e4dfec;
  --lm-pale: #ebebeb;
  --lm-tint: #f6f4f9;
}
.lm-page { display: block; background: #ffffff; text-align: left; }
.lm-wrap { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ── Шапка страницы ── */
.lm-head { background: var(--lm-purple); color: #ffffff; padding: 28px 0 52px; }
.lm-crumbs {
  display: flex; flex-wrap: wrap; gap: 6px 10px;
  margin: 0 0 36px; padding: 0 0 20px;
  border-bottom: 1px solid rgba(192,165,130,.3);
  font-size: 13px; line-height: 1.4; color: rgba(255,255,255,.74);
}
.lm-crumbs a { color: var(--lm-gold); text-decoration: none; min-height: 24px; }
.lm-crumbs a:hover { text-decoration: underline; }
.lm-crumbs a:focus-visible, .lm-head .lm-btn:focus-visible { outline: 2px solid #ffffff; outline-offset: 3px; }
.lm-kicker {
  margin: 0 0 14px;
  font-size: 13px; font-weight: 700; line-height: 1.3; letter-spacing: .08em; text-transform: uppercase;
  color: var(--lm-gold);
}
.lm-head h1 {
  margin: 0; max-width: 920px;
  font-size: 40px; font-weight: 700; line-height: 1.2; letter-spacing: -.01em;
  color: #ffffff; text-align: left; text-wrap: balance;
}
.lm-lead { margin: 20px 0 0; max-width: 760px; font-size: 18px; line-height: 1.5; color: rgba(255,255,255,.88); }
.lm-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 26px 0 0; font-size: 13px; line-height: 1.4; color: rgba(255,255,255,.74); }

/* ── Статья: две колонки ── */
.lm-body { padding: 56px 0 72px; }
.lm-grid { display: grid; grid-template-columns: minmax(0, 760px) 340px; justify-content: space-between; gap: 56px; align-items: start; }
.lm-text { min-width: 0; font-size: 17px; line-height: 1.65; color: var(--lm-steel); }
.lm-text p { margin: 0 0 18px; }
.lm-text h2 {
  margin: 48px 0 16px; scroll-margin-top: 150px;
  font-size: 28px; font-weight: 700; line-height: 1.25; letter-spacing: -.01em;
  color: var(--lm-purple); text-align: left;
}
.lm-text strong { color: var(--lm-purple); font-weight: 700; }
.lm-text a {
  color: var(--lm-purple); font-weight: 600;
  text-decoration: underline; text-decoration-color: var(--lm-gold);
  text-decoration-thickness: 2px; text-underline-offset: 3px;
}
.lm-text a:hover { text-decoration-color: var(--lm-purple); }
.lm-text a:focus-visible, .lm-toc a:focus-visible, .lm-more:focus-visible, .lm-prog-alt:focus-visible { outline: 2px solid var(--lm-purple); outline-offset: 3px; border-radius: 2px; }

.lm-toc { margin: 0 0 8px; padding: 22px 24px; border: 1px solid var(--lm-line); border-radius: 12px; }
.lm-label {
  margin: 0 0 10px;
  font-size: 13px; font-weight: 700; line-height: 1.3; letter-spacing: .06em; text-transform: uppercase;
  color: var(--lm-purple);
}
.lm-toc ol { margin: 0; padding: 0 0 0 20px; font-size: 15px; line-height: 1.45; }
.lm-toc li { margin: 0; padding: 4px 0; }
.lm-toc li::marker { color: var(--lm-purple); font-weight: 700; }
.lm-toc a { color: var(--lm-steel); font-weight: 400; text-decoration: none; }
.lm-toc a:hover { color: var(--lm-purple); text-decoration: underline; }

.lm-table { margin: 24px 0 28px; overflow-x: auto; border: 1px solid var(--lm-line); border-radius: 12px; }
.lm-table:focus-visible { outline: 2px solid var(--lm-purple); outline-offset: 3px; }
.lm-table table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.45; }
.lm-table--wide table { min-width: 640px; }
.lm-table th {
  padding: 14px 16px; text-align: left; vertical-align: bottom;
  background: var(--lm-purple); color: #ffffff;
  font-size: 13px; font-weight: 700; line-height: 1.3; letter-spacing: .04em; text-transform: uppercase;
}
.lm-table td { padding: 14px 16px; vertical-align: top; border-top: 1px solid var(--lm-line); }
.lm-table td:first-child { color: var(--lm-purple); font-weight: 600; }
.lm-table td a { font-weight: 600; }

.lm-example { margin: 24px 0; padding: 20px 24px; background: var(--lm-tint); border-left: 3px solid var(--lm-gold); border-radius: 0 12px 12px 0; }
.lm-example p:last-child { margin-bottom: 0; }
.lm-quote { margin: 24px 0; padding: 20px 24px; border: 1px solid var(--lm-line); border-top: 3px solid var(--lm-purple); border-radius: 12px; }
.lm-quote blockquote { margin: 0; padding: 0; border: 0; font-size: 16px; line-height: 1.6; color: var(--lm-purple); }
.lm-quote blockquote p:last-child { margin-bottom: 0; }

/* ── Правая колонка ── */
.lm-aside { position: sticky; top: calc(var(--header-h, 122px) + 24px); display: grid; gap: 20px; min-width: 0; }
.lm-prog {
  padding: 26px 24px 24px;
  background: var(--lm-purple); color: #ffffff;
  border: 1px solid rgba(192,165,130,.25); border-top: 3px solid var(--lm-gold); border-radius: 14px;
  box-shadow: 0 10px 28px rgba(54,17,99,.14);
}
.lm-prog .lm-label { color: var(--lm-gold); }
.lm-prog-name { margin: 0 0 10px; font-size: 22px; font-weight: 700; line-height: 1.25; color: #ffffff; }
.lm-prog-text { margin: 0; font-size: 15px; line-height: 1.5; color: rgba(255,255,255,.86); }
.lm-prog-price { margin: 16px 0 0; font-size: 18px; font-weight: 700; line-height: 1.3; color: var(--lm-gold); }
.lm-prog .lm-btn { width: 100%; margin-top: 22px; }
.lm-prog .lm-btn:focus-visible { outline: 2px solid #ffffff; outline-offset: 3px; }
.lm-prog-alt { display: inline-block; margin-top: 16px; font-size: 14px; line-height: 1.4; color: var(--lm-gold); text-decoration: underline; text-underline-offset: 3px; }
.lm-prog-alt:hover { color: #ffffff; }
.lm-prog-alt:focus-visible { outline-color: #ffffff; }

.lm-facts { padding: 22px 24px; border: 1px solid var(--lm-line); border-radius: 14px; }
.lm-facts dl { margin: 0; display: grid; gap: 12px; }
.lm-facts div { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 14px; align-items: baseline; padding-top: 12px; border-top: 1px solid var(--lm-line); }
.lm-facts div:first-child { padding-top: 0; border-top: 0; }
.lm-facts dt { font-size: 18px; font-weight: 700; line-height: 1.2; color: var(--lm-purple); }
.lm-facts dd { margin: 0; font-size: 14px; line-height: 1.4; color: var(--lm-steel); }

/* ── Кнопки ── */
.lm-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 14px 26px; box-sizing: border-box;
  border: 1.5px solid var(--lm-gold); border-radius: 6px;
  background: var(--lm-gold); color: var(--lm-purple);
  font-size: 15px; font-weight: 700; line-height: 1.1; letter-spacing: .05em; text-transform: uppercase; text-decoration: none; text-align: center;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}
.lm-btn:hover { background: #AC916B; border-color: #AC916B; color: #ffffff; }
.lm-btn--purple { background: var(--lm-purple); border-color: var(--lm-purple); color: #ffffff; }
.lm-btn--purple:hover { background: #24093f; border-color: #24093f; color: #ffffff; }
.lm-btn--line { background: transparent; border-color: var(--lm-purple); color: var(--lm-purple); }
.lm-btn--line:hover { background: var(--lm-purple); border-color: var(--lm-purple); color: #ffffff; }
.lm-btn:focus-visible { outline: 2px solid var(--lm-purple); outline-offset: 3px; }

/* ── Карточки материалов ── */
.lm-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 0; padding: 0; list-style: none; }
.lm-cards--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lm-cards--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.lm-card {
  position: relative; overflow: hidden;
  display: grid; grid-template-rows: subgrid; grid-row: span 4; row-gap: 0;
  padding: 26px 24px 22px;
  background: #ffffff;
  border: 1px solid var(--lm-line); border-top: 3px solid var(--lm-gold); border-radius: 14px;
  transition: transform .25s ease, border-color .25s ease;
}
.lm-card:hover { transform: translateY(-4px); border-color: var(--lm-gold); }
.lm-card:focus-within { outline: 2px solid var(--lm-purple); outline-offset: 3px; }
.lm-card-meta { margin: 0 0 14px; font-size: 13px; line-height: 1.3; color: var(--lm-steel); }
.lm-card h2, .lm-card h3 { margin: 0 0 12px; font-size: 20px; font-weight: 700; line-height: 1.3; color: var(--lm-purple); text-align: left; text-transform: none; letter-spacing: 0; }
.lm-card h2 a, .lm-card h3 a { color: inherit; text-decoration: none; outline: none; }
.lm-card h2 a::after, .lm-card h3 a::after { content: ''; position: absolute; inset: 0; }
.lm-card-text { margin: 0 0 20px; font-size: 15px; line-height: 1.5; color: var(--lm-steel); }
.lm-card-more {
  display: inline-flex; align-items: center; gap: 10px; align-self: end;
  font-size: 13px; font-weight: 700; line-height: 1.2; letter-spacing: .06em; text-transform: uppercase;
  color: var(--lm-purple);
}
.lm-arrow {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 28px; height: 28px; border: 1.5px solid var(--lm-gold); border-radius: 50%;
  color: var(--lm-purple);
  transition: background-color .25s ease, transform .25s ease;
}
.lm-arrow svg { width: 14px; height: 14px; }
.lm-card:hover .lm-arrow, .lm-more:hover .lm-arrow { background: var(--lm-gold); transform: translateX(3px); }
.lm-card-mark {
  position: absolute; right: 16px; bottom: -8px; pointer-events: none; user-select: none;
  font-size: 84px; font-weight: 700; line-height: 1; letter-spacing: -.04em;
  color: rgba(54,17,99,.06);
}

/* ── Общая страница ── */
.lm-hub { padding: 56px 0 72px; }
.lm-band { background: var(--lm-pale); padding: 56px 0 72px; }
.lm-band-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 16px 32px; margin: 0 0 28px; }
.lm-band h2, .lm-pick h2 { margin: 0; font-size: 32px; font-weight: 700; line-height: 1.25; letter-spacing: -.01em; color: var(--lm-purple); text-align: left; }
.lm-more {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; line-height: 1.2; letter-spacing: .06em; text-transform: uppercase;
  color: var(--lm-purple); text-decoration: none;
}
.lm-pick { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 48px; align-items: center; }
.lm-pick p { margin: 12px 0 0; max-width: 640px; font-size: 16px; line-height: 1.5; color: var(--lm-steel); }
.lm-pick-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ── Блок в каталоге (edu.html) ── */
#materials-section.lm-block { padding: 72px 0; background: #ffffff; border-bottom: 0; text-align: left; }
#materials-section.lm-block::before, #materials-section.lm-block::after { content: none; }
.lm-block .lm-band-head { margin-bottom: 32px; }
.lm-block .lm-block-title { min-width: 0; }
.lm-block .section-title { margin: 0; color: var(--lm-purple); text-transform: none; letter-spacing: -.02em; }
.lm-block .lm-card h3 { font-size: 18px; }
.lm-block [data-ru-note] { font-weight: 400; color: var(--lm-steel); }

@media (max-width: 1180px) {
  .lm-grid { grid-template-columns: minmax(0, 1fr) 300px; gap: 40px; }
  .lm-cards--four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .lm-head { padding: 22px 0 40px; }
  .lm-crumbs { margin-bottom: 26px; font-size: 12px; }
  .lm-head h1 { font-size: 30px; }
  .lm-lead { font-size: 16px; }
  .lm-body, .lm-hub { padding: 40px 0 48px; }
  .lm-band { padding: 48px 0; }
  .lm-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .lm-aside { position: static; }
  .lm-text { font-size: 16px; }
  .lm-text h2 { margin-top: 40px; font-size: 24px; }
  .lm-band h2, .lm-pick h2 { font-size: 26px; }
  .lm-cards, .lm-cards--two { grid-template-columns: minmax(0, 1fr); }
  .lm-card { grid-row: auto; grid-template-rows: none; }
  .lm-pick { grid-template-columns: minmax(0, 1fr); }
  #materials-section.lm-block { padding: 48px 0 !important; }
}
@media (max-width: 640px) {
  .lm-cards--four { grid-template-columns: minmax(0, 1fr); }
  .lm-toc, .lm-example, .lm-quote { padding: 18px; }
  .lm-table th, .lm-table td { padding: 12px; }
  .lm-pick-actions .lm-btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .lm-card, .lm-arrow, .lm-btn { transition: none; }
  .lm-card:hover { transform: none; }
}