/* Blog index — Russian B2B reading hub depth treatment. Article data stays in HTML/JS. */
.blog-depth-page {
  --blog-ink: #0c1a24;
  --blog-ink-2: #17313a;
  --blog-copper: #c9682d;
  --blog-copper-dark: #a94e20;
  --blog-teal: #2f756b;
  --blog-paper: #f7f3ed;
  --blog-white: #fffdf9;
  --blog-line: #ded7cd;
  --blog-muted: #66737c;
  background: var(--blog-paper);
  color: var(--blog-ink);
}
.blog-depth-page .breadcrumb-wrap {
  background: rgba(255,253,249,.9);
  border-bottom: 1px solid rgba(222,215,205,.78);
}

/* Hero: a clear knowledge-centre entry point with the same dark/copper B2B signal as FAQ. */
.blog-depth-page .blog-index-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 405px;
  padding: clamp(68px, 8vw, 112px) 0 clamp(58px, 7vw, 84px) !important;
  background:
    radial-gradient(circle at 84% 12%, rgba(47,117,107,.3), transparent 30%),
    linear-gradient(123deg, var(--blog-ink) 0%, var(--blog-ink-2) 66%, #214b50 100%);
  border-bottom: 3px solid var(--blog-copper);
}
.blog-depth-page .blog-index-hero::before {
  display: block;
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .34;
  background-image: linear-gradient(rgba(255,255,255,.065) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.065) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, #000, rgba(0,0,0,.42) 68%, transparent);
}
.blog-depth-page .blog-index-hero::after {
  content: 'B2B';
  position: absolute;
  right: 4vw;
  bottom: -8vw;
  z-index: -1;
  color: transparent;
  font-size: clamp(170px, 25vw, 340px);
  font-weight: 900;
  letter-spacing: -.1em;
  line-height: 1;
  -webkit-text-stroke: 1px rgba(255,255,255,.1);
}
.blog-depth-page .blog-index-hero .hero-content { position: relative; z-index: 1; }
.blog-depth-page .blog-index-hero .hero-badges { margin-bottom: 20px !important; }
.blog-depth-page .blog-index-hero .hero-badge {
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.2);
  color: #e4f0ed;
  letter-spacing: .04em;
}
.blog-depth-page .blog-index-hero h1 {
  max-width: 980px;
  margin-bottom: 17px;
  color: #fff;
  font-size: clamp(2.35rem, 5.2vw, 4.55rem);
  line-height: 1.04;
  letter-spacing: -.045em;
  text-wrap: balance;
}
.blog-depth-page .blog-index-hero .hero-sub {
  max-width: 730px;
  margin-bottom: 0;
  color: #c2d1d3;
  font-size: clamp(1rem, 1.35vw, 1.16rem);
  line-height: 1.7;
}

/* Reading list: a calm paper surface with numbered, elevated rows. */
.blog-depth-page .blog-list-section {
  position: relative;
  overflow: hidden;
  background: var(--blog-paper);
  border-bottom: 1px solid var(--blog-line);
}
.blog-depth-page .blog-list-label {
  margin-bottom: 20px;
  color: var(--blog-copper-dark);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .16em;
  line-height: 1.2;
}
.blog-depth-page #articlesGrid {
  counter-reset: article;
  gap: 12px;
  max-width: 1040px;
  margin: 0 auto;
}
.blog-depth-page .blog-card {
  position: relative;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  min-height: 130px;
  padding: 20px 24px 20px 18px;
  border: 1px solid var(--blog-line);
  border-radius: 14px;
  background: var(--blog-white);
  box-shadow: 0 2px 0 rgba(12,26,36,.02), 0 10px 22px rgba(12,26,36,.055);
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.blog-depth-page .blog-card::before {
  counter-increment: article;
  content: counter(article, decimal-leading-zero);
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid #e4bfa9;
  border-radius: 50%;
  color: var(--blog-copper-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .06em;
  background: #fff8f2;
}
.blog-depth-page .blog-card:hover {
  border-color: #d0a58e;
  background: #fffaf6;
  box-shadow: 0 15px 30px rgba(12,26,36,.1);
  transform: translateY(-2px);
}
.blog-depth-page .blog-card-body { gap: 7px; }
.blog-depth-page .blog-card-top { gap: 10px; }
.blog-depth-page .blog-tag {
  padding: 5px 10px;
  border: 1px solid #f0d2bf;
  border-radius: 999px;
  background: #fff3ea;
  color: var(--blog-copper-dark);
  font-size: 11px;
  letter-spacing: .08em;
}
.blog-depth-page .blog-meta { color: var(--blog-muted); font-size: 13px; }
.blog-depth-page .blog-card h3 { font-size: clamp(1.02rem, 1.35vw, 1.28rem); line-height: 1.32; letter-spacing: -.01em; }
.blog-depth-page .blog-card h3 a { transition: color .2s ease; }
.blog-depth-page .blog-card:hover h3 a { color: var(--blog-copper-dark) !important; }
.blog-depth-page .blog-card p { max-width: 790px; color: var(--blog-muted); font-size: 14px; line-height: 1.55; }
.blog-depth-page .blog-read-link {
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid #e2c0ab;
  border-radius: 999px;
  color: var(--blog-copper-dark);
  font-size: 13px;
  font-weight: 800;
  transition: all .2s ease;
}
.blog-depth-page .blog-read-link:hover { border-color: var(--blog-copper); background: var(--blog-copper); color: #fff; text-decoration: none; }
.blog-depth-page #blogPagination {
  gap: 7px !important;
  margin-top: 30px !important;
}
.blog-depth-page #blogPagination button {
  min-width: 39px;
  min-height: 39px;
  padding: 7px 11px;
  border: 1px solid var(--blog-line);
  border-radius: 9px;
  background: var(--blog-white);
  color: var(--blog-ink);
  font-size: 13px;
  font-weight: 700;
  transition: all .2s ease;
}
.blog-depth-page #blogPagination button:not(:disabled):hover { border-color: #d0a58e; background: #fff3ea; color: var(--blog-copper-dark); }
.blog-depth-page #blogPagination button.active { border-color: var(--blog-copper); background: var(--blog-copper); box-shadow: 0 7px 14px rgba(201,104,45,.22); color: #fff; }

/* Conversion block: deliberate dark end-cap rather than another flat card. */
.blog-depth-page .blog-cta-section {
  padding: clamp(44px, 5vw, 64px) 0;
  background: #fffdf9;
}
.blog-depth-page .article-cta {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(28px, 3.2vw, 42px) clamp(24px, 3.6vw, 48px);
  border: 0;
  border-radius: 18px;
  background: linear-gradient(125deg, var(--blog-ink) 0%, var(--blog-ink-2) 72%, #214f54 100%);
  box-shadow: 0 22px 46px rgba(12,26,36,.18);
}
.blog-depth-page .article-cta::after { content: ''; position: absolute; right: -55px; bottom: -105px; z-index: -1; width: 285px; height: 285px; border: 1px solid rgba(255,255,255,.17); border-radius: 50%; box-shadow: 0 0 0 24px rgba(255,255,255,.04), 0 0 0 52px rgba(255,255,255,.025); }
.blog-depth-page .article-cta-eyebrow { margin-bottom: 12px; color: #e6b89b; font-size: 11px; font-weight: 800; letter-spacing: .14em; line-height: 1.3; text-transform: uppercase; }
.blog-depth-page .article-cta h3 { margin-bottom: 10px; color: #fff; font-size: clamp(1.35rem, 2.4vw, 2rem); line-height: 1.2; }
.blog-depth-page .article-cta p.article-cta-intro { max-width: 720px; margin-bottom: 18px; color: #c4d2d4; font-size: 15px; line-height: 1.6; }
.blog-depth-page .article-cta-facts { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.blog-depth-page .article-cta-fact { display: inline-flex; flex: 1 1 175px; align-items: center; gap: 5px; min-height: 34px; padding: 7px 10px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; background: rgba(255,255,255,.07); color: #d8e3e3; font-size: 12px; line-height: 1.35; }
.blog-depth-page .article-cta-fact strong { color: #fff; font-weight: 700; }
.blog-depth-page .article-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.blog-depth-page .article-cta-actions > a { min-height: 48px; justify-content: center; }
.blog-depth-page .article-cta .btn-primary-jbss { background: var(--blog-copper); box-shadow: 0 10px 20px rgba(201,104,45,.28); }
.blog-depth-page .article-cta .btn-primary-jbss:hover { background: #dc7a3d; transform: translateY(-2px); }
.blog-depth-page .article-cta .btn-tg { border-color: rgba(255,255,255,.42); background: transparent; color: #fff; }
.blog-depth-page .article-cta .btn-tg:hover { border-color: #80b7ad; background: rgba(255,255,255,.1); color: #fff; }
.blog-depth-page .article-cta-links { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.13); }
.blog-depth-page .article-cta-links a { display: inline-flex; align-items: center; gap: 7px; color: #f4c2a5; font-size: 13px; line-height: 1.45; text-decoration: none; }
.blog-depth-page .article-cta-links a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.blog-depth-page .article-cta-links i { width: 15px; color: #e6b89b; text-align: center; }
.blog-depth-page :focus-visible { outline: 3px solid rgba(47,117,107,.55); outline-offset: 3px; }

@media (max-width: 767px) {
  .blog-depth-page .blog-index-hero { min-height: 0; padding: 60px 0 54px !important; }
  .blog-depth-page .blog-index-hero h1 { font-size: clamp(2.15rem, 10vw, 3.2rem); }
  .blog-depth-page .blog-card { grid-template-columns: 42px minmax(0, 1fr); gap: 14px; min-height: 0; padding: 16px; }
  .blog-depth-page .blog-card::before { width: 36px; height: 36px; font-size: 11px; }
  .blog-depth-page .blog-read-link { grid-column: 2; justify-self: start; min-height: 38px; }
  .blog-depth-page .blog-card h3 { font-size: 1.03rem; }
  .blog-depth-page .blog-card p { font-size: 13px; }
  .blog-depth-page .blog-cta-section { padding: 36px 0; }
  .blog-depth-page .article-cta { border-radius: 14px; padding: 26px 18px; }
  .blog-depth-page .article-cta-facts { flex-direction: column; gap: 7px; margin-bottom: 18px; }
  .blog-depth-page .article-cta-fact { flex: 1 1 auto; width: 100%; }
  .blog-depth-page .article-cta-actions { flex-direction: column; gap: 10px; }
  .blog-depth-page .article-cta-actions > a { width: 100%; }
  .blog-depth-page .article-cta-links { flex-direction: column; gap: 10px; }
}