.subpage-hero-strip {
  padding: 48px 24px;
  background: linear-gradient(135deg, rgba(163, 230, 53, 0.12) 0%, rgba(56, 189, 248, 0.08) 100%);
  border-bottom: 1px solid var(--glass-border);
  text-align: center;
}

.subpage-hero-strip h1 {
  font-weight: 200;
  font-size: clamp(28px, 4vw, 42px);
  color: var(--text);
  max-width: 800px;
  margin: 0 auto;
}

.sidebar-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
}

.sidebar-rail {
  position: sticky;
  top: 80px;
  align-self: start;
}

.sidebar-rail nav {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 20px;
}

.sidebar-rail nav a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.3s ease;
}

.sidebar-rail nav a:hover {
  color: var(--primary);
}

.sidebar-rail nav a:last-child {
  border-bottom: none;
}

.article-body h2 {
  font-weight: 300;
  font-size: 24px;
  color: var(--primary);
  margin: 36px 0 16px;
}

.article-body h3 {
  font-weight: 300;
  font-size: 18px;
  color: var(--text);
  margin: 24px 0 10px;
}

.article-body p {
  color: var(--muted);
  font-size: 15px;
  line-height: var(--feel-airy);
  margin-bottom: 16px;
}

.article-body ul {
  color: var(--muted);
  margin: 0 0 16px 24px;
  font-size: 15px;
}

.article-body li {
  margin-bottom: 8px;
}

.image-rail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 32px 0;
  max-width: 100%;
  overflow: hidden;
}

.image-rail img {
  max-width: 100%;
  max-height: 320px;
  width: 100%;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  display: block;
}

.pull-stat {
  display: flex;
  gap: 24px;
  padding: 24px;
  margin: 28px 0;
  background: var(--glass-bg);
  backdrop-filter: var(--effect-glassmorphism);
  -webkit-backdrop-filter: var(--effect-glassmorphism);
  border: 1px solid var(--glass-border);
  border-radius: var(--style-ios-like);
}

.pull-stat div {
  flex: 1;
  text-align: center;
}

.pull-stat strong {
  display: block;
  font-size: 24px;
  font-weight: 200;
  color: var(--primary);
}

.pull-stat span {
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 768px) {
  .sidebar-layout {
    grid-template-columns: 1fr;
  }

  .sidebar-rail {
    position: static;
  }

  .image-rail {
    grid-template-columns: 1fr;
  }

  .image-rail img {
    max-width: 100%;
    max-height: 240px;
  }

  .sidebar-layout {
    overflow-x: hidden;
  }
}