body {
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.14), transparent 55%), #050814;
}

.controls-hero {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.96));
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.controls-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: var(--space-8);
  align-items: center;
}

.controls-hero-text p {
  color: var(--color-text-muted);
  max-width: 36rem;
}

.controls-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.controls-hero-media img {
  width: 100%;
  max-width: 480px;
  margin-left: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.breadcrumb li+li::before {
  content: "/";
  margin-right: var(--space-2);
  color: var(--color-gray-500);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.controls-intro-grid {
  gap: var(--space-8);
  align-items: flex-start;
}

.controls-intro-aside ul,
.controls-troubleshooting-tip ul,
.controls-comparison-tip ul,
.controls-tools-text ul {
  margin-top: var(--space-2);
  padding-left: 1.1rem;
  color: var(--color-text-muted);
}

.controls-intro-aside li,
.controls-troubleshooting-tip li,
.controls-comparison-tip li,
.controls-tools-text li {
  margin-bottom: 0.4rem;
}

.controls-section-header {
  max-width: 44rem;
  margin-bottom: var(--space-6);
}

.controls-section-header p {
  color: var(--color-text-muted);
}

.controls-keys-grid {
  align-items: stretch;
}

.controls-sensitivity-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: var(--space-8);
  align-items: center;
}

.controls-sensitivity-text ul {
  padding-left: 1.1rem;
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

.controls-sensitivity-media img {
  max-width: 420px;
  margin-left: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.controls-recommended-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.3fr) minmax(0, 3fr);
  gap: var(--space-8);
  align-items: center;
}

.controls-recommended-media img {
  max-width: 380px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.controls-recommended-note {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
}

.controls-comparison-grid {
  gap: var(--space-8);
  align-items: flex-start;
}

.controls-profiles-grid {
  gap: var(--space-8);
  align-items: flex-start;
}

.controls-troubleshooting-grid {
  gap: var(--space-8);
  align-items: flex-start;
}

.controls-tools-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: var(--space-8);
  align-items: center;
}

.controls-tools-media img {
  max-width: 420px;
  margin-left: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.controls-faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.controls-faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(15, 23, 42, 0.9);
  padding: var(--space-4);
}

.controls-faq-item summary {
  list-style: none;
  cursor: pointer;
  font-weight: 500;
}

.controls-faq-item summary::-webkit-details-marker {
  display: none;
}

.controls-faq-item[open] {
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: var(--shadow-sm);
}

.controls-faq-item[open] summary {
  color: var(--color-primary);
}

.controls-faq-item p {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
}

.controls-next-steps-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
}

.controls-next-steps-inner p {
  max-width: 40rem;
  color: var(--color-text-muted);
}

.controls-next-steps-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (max-width: 960px) {
  .controls-hero-inner,
  .controls-sensitivity-grid,
  .controls-recommended-grid,
  .controls-tools-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .controls-hero-media img,
  .controls-sensitivity-media img,
  .controls-tools-media img,
  .controls-recommended-media img {
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .controls-hero-ctas,
  .controls-next-steps-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .controls-hero-inner {
    gap: var(--space-6);
  }

  .controls-section-header {
    margin-bottom: var(--space-4);
  }
}