.puzzles-hero {
  position: relative;
  background: radial-gradient(circle at top left, #151b27 0, #05070a 55%, #020307 100%);
}

.puzzles-hero-inner {
  position: relative;
}

.puzzles-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: center;
}

@media (max-width: 900px) {
  .puzzles-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.puzzles-breadcrumb ol {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--color-text-muted);
}

.puzzles-breadcrumb li::after {
  content: "/";
  margin-left: var(--space-1);
}

.puzzles-breadcrumb li:last-child::after {
  content: none;
}

.puzzles-hero-lead {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-muted);
}

.puzzles-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

.puzzles-hero-meta {
  font-size: var(--font-size-sm);
}

.puzzles-hero-media {
  max-width: 480px;
  margin-left: auto;
}

.puzzles-hero-figure {
  padding: var(--space-3);
}

.puzzles-hero-figure img {
  border-radius: var(--radius-md);
}

.puzzles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.puzzles-card .card-body {
  font-size: var(--font-size-sm);
}

.puzzles-next-link {
  margin-top: var(--space-4);
}

.puzzles-chat-demo {
  margin-top: var(--space-3);
}

.puzzles-chat-demo ul {
  margin-top: var(--space-2);
  margin-bottom: 0;
}

.puzzles-media-card .card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.puzzles-media-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: flex-start;
}

@media (max-width: 900px) {
  .puzzles-media-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

.puzzles-media-figure img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.puzzles-code-board {
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.puzzles-code-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: var(--space-4);
  align-items: flex-start;
}

@media (max-width: 900px) {
  .puzzles-code-row {
    grid-template-columns: minmax(0, 1fr);
  }
}

.puzzles-decision-diagram {
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.puzzles-decision-node {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0d1118 0%, #05070d 100%);
  border: 1px solid var(--color-border-subtle);
  font-size: var(--font-size-sm);
}

.puzzles-decision-node--start {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.puzzles-decision-node--highlight {
  border-color: rgba(60, 163, 117, 0.9);
  box-shadow: 0 0 0 1px rgba(60, 163, 117, 0.4);
}

.puzzles-decision-branches {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
}

.puzzles-steps {
  margin-top: var(--space-2);
  padding-left: var(--space-5);
}

.puzzles-cta {
  padding-top: var(--space-8);
  padding-bottom: var(--space-10);
}

.puzzles-cta-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding: var(--space-5);
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 768px) {
  .puzzles-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

.puzzles-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.puzzles-cta [aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}