/* Хаб базы знаний */
#kb-hub {
  max-width: 1320px;
  margin: 0 auto;
  padding: 140px 32px 110px;
  font-family: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: #121212;
}
#kb-hub .kb-hero {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
}
#kb-hub .kb-hero h1 {
  font-size: clamp(48px, 7vw, 72px);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.045em;
  margin: 0 0 18px;
}
#kb-hub .kb-hero p {
  font-size: 18px;
  line-height: 1.55;
  color: #4A4A4A;
  margin: 0;
}
#kb-search-wrap {
  max-width: 560px;
  margin: 0 auto 40px;
}
#kb-search {
  width: 100%;
  box-sizing: border-box;
  padding: 14px 18px;
  border: 1px solid #E3E3E8;
  border-radius: 12px;
  font: 500 16px/1.4 'Manrope', system-ui, sans-serif;
  color: #121212;
  background: #fff;
  outline: none;
}
#kb-search:focus { border-color: #FF5001; }
#kb-search::placeholder { color: #9A9A9A; }
#kb-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.kb-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 24px 28px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid #E3E3E8;
  box-shadow: 0 8px 24px -12px rgba(18,18,18,0.12);
  text-decoration: none;
  color: inherit;
  transition: background 150ms cubic-bezier(0.2, 0, 0, 1), border-color 150ms cubic-bezier(0.2, 0, 0, 1);
}
.kb-card:hover {
  background: #FAFAFB;
  border-color: #D8D8DC;
}
.kb-card-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  padding-right: 28px;
}
.kb-card-desc {
  font-size: 14px;
  line-height: 1.5;
  color: #6B6B6B;
}
.kb-card-arrow {
  position: absolute;
  top: 22px;
  right: 22px;
  color: #FF5001;
  font-size: 18px;
  font-weight: 700;
}
.kb-card.is-hidden { display: none; }
#kb-empty {
  display: none;
  text-align: center;
  color: #6B6B6B;
  font-size: 16px;
  padding: 40px 16px;
}
#kb-empty.is-visible { display: block; }
@media (max-width: 860px) {
  #kb-hub { padding: 110px 20px 80px; }
  #kb-grid { grid-template-columns: 1fr; }
}

/* Документы */
#documents-hero {
  max-width: 1320px;
  margin: 0 auto;
  padding: 160px 32px 48px;
  text-align: center;
}
#documents-hero h1 {
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: clamp(48px, 7vw, 80px);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.045em;
  margin: 0 0 20px;
  color: #121212;
}
#documents-hero p {
  font-size: 18px;
  line-height: 1.55;
  color: #4A4A4A;
  max-width: 520px;
  margin: 0 auto;
}
#documents-list {
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px 32px 110px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
#documents-list a {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid #E3E3E8;
  box-shadow: 0 8px 24px -12px rgba(18,18,18,0.12);
  color: inherit;
  text-decoration: none;
  transition: background 150ms cubic-bezier(0.2, 0, 0, 1), border-color 150ms cubic-bezier(0.2, 0, 0, 1);
}
#documents-list a:hover {
  background: #FAFAFB;
  border-color: #D8D8DC;
}
#documents-list .doc-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  color: #121212;
}
#documents-list .doc-desc {
  font-size: 15px;
  line-height: 1.5;
  color: #6B6B6B;
}
#documents-list .doc-arrow {
  flex-shrink: 0;
  margin-top: 2px;
  color: #FF5001;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}
@media (max-width: 860px) {
  #documents-hero { padding: 130px 24px 36px; }
  #documents-list { padding: 12px 20px 80px; }
}

/* Статья базы знаний */
.kb-article {
  --ink: #121212;
  --muted: #4A4A4A;
  --muted-2: #6B6B6B;
  --line: #E3E3E8;
  --bg: #FFFFFF;
  --card: #FFFFFF;
  --brand: #FF5001;
  --soft: #FFE9E0;
  --soft-ink: #CC4001;
  max-width: 1320px;
  margin: 0 auto;
  padding: 120px 32px 96px;
  font-family: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.62;
}
.kb-article .crumb {
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-block;
}
.kb-article .crumb:hover { color: #FF6E15; }
.kb-article h1 {
  font-size: clamp(36px, 5vw, 52px);
  line-height: 1.04;
  letter-spacing: -.045em;
  margin: 12px 0 18px;
  font-weight: 800;
}
.kb-article h2 {
  font-size: clamp(22px, 3vw, 29px);
  line-height: 1.2;
  letter-spacing: -.03em;
  margin: 0 0 15px;
  font-weight: 800;
}
.kb-article h3 { font-size: 18px; margin: 0 0 8px; font-weight: 700; }
.kb-article .lead {
  font-size: 21px;
  line-height: 1.48;
  color: var(--muted);
  max-width: none;
}
.kb-article .meta { display: flex; gap: 10px; flex-wrap: wrap; margin: 28px 0 42px; }
.kb-article .tag {
  background: var(--soft);
  color: var(--soft-ink);
  border-radius: 100px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 650;
}
.kb-article section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px;
  margin: 18px 0;
}
.kb-article .intro {
  border-left: 4px solid var(--brand);
  padding: 3px 0 3px 19px;
  margin: 0;
  color: #343746;
}
.kb-article .cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 13px;
  margin-top: 18px;
}
.kb-article .card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}
.kb-article .card p { margin: 0; color: var(--muted-2); font-size: 15px; }
.kb-article .flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 11px;
}
.kb-article .step {
  border-radius: 15px;
  border: 1px solid var(--line);
  padding: 17px 14px;
}
.kb-article .num {
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .09em;
}
.kb-article .step p {
  font-size: 14px;
  line-height: 1.45;
  color: var(--muted-2);
  margin: 7px 0 0;
}
.kb-article .note {
  background: var(--soft);
  border-radius: 14px;
  padding: 18px 20px;
  color: var(--soft-ink);
}
.kb-article .list { margin: 0; padding-left: 21px; }
.kb-article .list li { margin: 6px 0; }
.kb-article .faq {
  border-top: 1px solid var(--line);
  padding: 20px 0;
}
.kb-article .faq:first-of-type { border-top: 0; padding-top: 0; }
.kb-article .q { font-weight: 720; margin-bottom: 6px; }
.kb-article .faq p { color: var(--muted-2); margin: 0; }
@media (max-width: 860px) {
  .kb-article { padding: 100px 20px 72px; }
  .kb-article .cards, .kb-article .flow { grid-template-columns: 1fr; }
  .kb-article section { padding: 23px; }
  .kb-article .lead { font-size: 18px; }
}