.topic-strip {
  padding: 48px 16px 32px;
  background: linear-gradient(135deg, rgba(34,197,94,0.2), transparent 55%), var(--surface);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.topic-strip::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--primary) 0 10px, transparent 10px 20px);
}
.topic-strip h1 {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  margin-top: 8px;
}
.topic-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 16px 64px;
}
.topic-prose h2 {
  margin: 32px 0 12px;
  font-size: 1.25rem;
}
.topic-prose h3 {
  margin: 22px 0 8px;
  font-size: 1.05rem;
  color: var(--accent);
}
.topic-prose p {
  margin-bottom: 14px;
  color: rgba(209,250,229,0.9);
}
.topic-prose ul, .topic-prose ol {
  margin: 0 0 16px 1.2rem;
  color: rgba(209,250,229,0.9);
}
.topic-prose li { margin-bottom: 6px; }
.topic-rail-layout {
  display: grid;
  gap: 28px;
}
.topic-sidebar {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  align-self: start;
}
.topic-sidebar .tech-mono { margin-bottom: 10px; }
.topic-stat-band {
  display: grid;
  gap: 12px;
  margin: 28px 0;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}
.topic-stat-band article {
  padding: 16px;
  border: 1px solid var(--border);
  background: rgba(34,197,94,0.06);
  text-align: center;
}
.topic-stat-band strong {
  display: block;
  font-family: var(--mono);
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 4px;
}
.topic-pull {
  font-size: 1.2rem;
  line-height: 1.45;
  color: var(--accent);
  border-left: 4px solid var(--primary);
  padding: 8px 0 8px 18px;
  margin: 28px 0;
  font-weight: 600;
}
.topic-split {
  display: grid;
  gap: 24px;
  margin: 28px 0;
}
.topic-split .engineering-panel { padding: 18px; }
.topic-mosaic {
  display: grid;
  gap: 12px;
  margin: 24px 0;
}
.topic-mosaic .tile {
  min-height: 140px;
  border: 1px solid var(--border);
  background-size: cover;
  background-position: center;
  max-width: 100%;
}
.topic-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.9rem;
}
.topic-table th, .topic-table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}
.topic-table th {
  background: var(--surface);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.mobiel-hero-visual {
  margin-top: 24px;
  max-width: 500px;
  max-height: 320px;
  overflow: hidden;
  border: 1px solid var(--border);
  clip-path: polygon(0 0, 100% 0, 100% 90%, 94% 100%, 0 100%);
}
.mobiel-hero-visual img {
  max-width: 100%;
  max-height: 320px;
  object-fit: cover;
}
.roulette-diagram {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 24px 0;
  font-family: var(--mono);
  font-size: 0.75rem;
}
.roulette-diagram span {
  border: 1px solid var(--border);
  padding: 12px 8px;
  text-align: center;
  background: var(--surface);
}
.slots-bg-rail {
  min-height: 200px;
  margin: 24px 0;
  border: 1px solid var(--border);
  background-image: linear-gradient(90deg, rgba(2,4,3,0.7), rgba(4,16,10,0.4)), url("/images/decorative/decor_6.jpg");
  background-size: cover;
  background-position: center;
  max-width: 100%;
}
.pay-side-img {
  max-width: 500px;
  max-height: 320px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin: 16px 0;
}
.pay-side-img img {
  max-width: 100%;
  max-height: 320px;
  object-fit: cover;
}
@media (min-width: 900px) {
  .topic-rail-layout {
    grid-template-columns: 1fr 280px;
  }
  .topic-split {
    grid-template-columns: 1fr 1fr;
  }
  .topic-mosaic {
    grid-template-columns: 1.2fr 0.8fr;
  }
}
@media (max-width: 767px) {
  .topic-strip,
  .topic-layout {
    overflow-x: hidden;
    max-width: 100%;
  }
  .mobiel-hero-visual,
  .pay-side-img,
  .slots-bg-rail,
  .topic-mosaic,
  .topic-mosaic .tile,
  .decor-frame {
    max-width: 100%;
    width: 100%;
    overflow: hidden;
  }
  .mobiel-hero-visual img,
  .pay-side-img img {
    max-width: 100%;
    max-height: 220px;
    width: 100%;
    height: auto;
  }
  .slots-bg-rail {
    min-height: 140px;
  }
  .roulette-diagram {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}