/* ============================================================
   OSNOVATOR — Документация (docs.css)
   Дополнение к landing.css. Использует те же токены :root.
   ============================================================ */

/* ---------- Docs Hero ---------- */
.docs-hero {
  padding: 72px 0 48px;
  text-align: center;
  position: relative;
}

.docs-hero .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-hover);
  margin-bottom: 16px;
}

.docs-hero h1 {
  margin-bottom: 16px;
}

.docs-hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 36px;
}

/* ---------- Поиск ---------- */
.docs-search {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.docs-search svg {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  stroke: var(--text-dim);
  pointer-events: none;
}

.docs-search input {
  width: 100%;
  padding: 18px 20px 18px 52px;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all var(--t-base);
}

.docs-search input::placeholder { color: var(--text-dim); }

.docs-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow-glow-soft);
}

.docs-hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.docs-hero-stat { text-align: center; }

.docs-hero-stat b {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.docs-hero-stat span {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ---------- Видеоуроки ---------- */
.docs-videos { padding: 64px 0; }

.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.video-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.video-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-glow-soft);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-thumb svg.poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.video-play {
  position: relative;
  z-index: 2;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(9, 9, 11, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  transition: transform var(--t-base), background var(--t-base);
}

.video-card:hover .video-play {
  transform: scale(1.08);
  background: var(--accent);
}

.video-play svg { width: 22px; height: 22px; fill: #fff; margin-left: 3px; }

.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  z-index: 2;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: rgba(9, 9, 11, 0.7);
  backdrop-filter: blur(4px);
}

.video-soon {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--amber);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--amber-soft);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.video-body { padding: 20px 22px 24px; }

.video-category {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-hover);
}

.video-title {
  margin-top: 8px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

/* ---------- Knowledge base layout ---------- */
.docs-kb { padding: 64px 0 96px; }

.docs-layout {
  display: grid;
  grid-template-columns: 248px 1fr;
  gap: 48px;
  align-items: start;
}

/* Сайдбар */
.docs-sidebar {
  position: sticky;
  top: 96px;
  align-self: start;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.docs-sidebar-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
  padding-left: 14px;
}

.docs-sidebar ul { display: flex; flex-direction: column; gap: 2px; }

.docs-sidebar a {
  display: block;
  padding: 9px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: all var(--t-fast);
}

.docs-sidebar a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.docs-sidebar a.active {
  color: var(--text-primary);
  background: var(--accent-soft);
  border-left-color: var(--accent);
}

/* Контент */
.docs-content { min-width: 0; }

.docs-section { margin-bottom: 56px; scroll-margin-top: 96px; }

.docs-section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--glass-border);
}

.docs-section-title .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-hover);
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
}

/* FAQ-аккордеон документации (наследует .faq-item из landing.css) */
.docs-content .faq-list { max-width: none; }

/* Подсветка совпадений поиска */
.docs-content mark {
  background: var(--amber-soft);
  color: var(--amber);
  border-radius: 3px;
  padding: 0 2px;
}

.docs-no-results {
  display: none;
  text-align: center;
  padding: 64px 24px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.docs-no-results.visible { display: block; }

/* ---------- Support блок ---------- */
.docs-support {
  margin-top: 24px;
  padding: 48px;
  border-radius: var(--radius-xl);
  text-align: center;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.10) 0%, rgba(245, 158, 11, 0.05) 100%), var(--bg-card);
  border: 1px solid var(--glass-border-strong);
}

.docs-support .eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-hover);
}

.docs-support h2 { margin: 12px 0 12px; }

.docs-support p {
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 28px;
}

.docs-support .members {
  display: block;
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ---------- Адаптив ---------- */
@media (max-width: 1024px) {
  .videos-grid { grid-template-columns: repeat(2, 1fr); }
  .docs-layout { grid-template-columns: 200px 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .videos-grid { grid-template-columns: 1fr; }
  .docs-layout { grid-template-columns: 1fr; gap: 24px; }
  .docs-sidebar {
    position: static;
    max-height: none;
    margin-bottom: 8px;
    padding: 16px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
  }
  .docs-sidebar ul {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }
  .docs-sidebar a { border-left: none; border: 1px solid var(--glass-border); }
  .docs-sidebar a.active { border-color: var(--accent); }
  .docs-support { padding: 32px 24px; }
}