.md-grid {
  max-width: 1280px;
}

.px4-hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.75rem 1rem 1.5rem;
  text-align: center;
}

.px4-hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.px4-tagline {
  margin: 0 auto 0.75rem;
  font-size: 1.3rem;
  font-weight: 500;
}

.px4-description {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--md-default-fg-color--light);
}

.px4-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.px4-actions .md-button {
  border-radius: 999px;
}

.px4-hero-images {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 1rem;
  width: 100%;
  max-width: 900px;
  margin: 0 auto 2rem;
}

.px4-hero-image {
  display: block;
  width: calc(50% - 0.5rem);
  height: 220px;
  object-fit: cover;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.8rem;
  background: var(--md-default-bg-color);
  box-shadow: 0 0.3rem 1rem rgba(0, 0, 0, 0.08);
}

.px4-card-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  margin: 0 auto 3rem;
}

.px4-card {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  min-height: 190px;
  padding: 1.25rem;
  color: inherit !important;
  text-decoration: none !important;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.8rem;
  background: var(--md-default-bg-color);
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.px4-card:nth-child(4) {
  grid-column: 2 / span 2;
}

.px4-card:nth-child(5) {
  grid-column: 4 / span 2;
}

.px4-card:hover {
  transform: translateY(-2px);
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 0.4rem 1rem rgba(0, 0, 0, 0.08);
}

.px4-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
}

.px4-card p {
  flex-grow: 1;
  margin: 0 0 1rem;
  color: var(--md-default-fg-color--light);
}

.px4-card span {
  color: var(--md-accent-fg-color);
  font-weight: 600;
}

.md-typeset h2 {
  margin-top: 2.5rem;
}

@media screen and (max-width: 800px) {
  .px4-card-grid {
    grid-template-columns: 1fr 1fr;
  }

  .px4-card,
  .px4-card:nth-child(4),
  .px4-card:nth-child(5) {
    grid-column: auto;
  }
}

@media screen and (max-width: 700px) {
  .px4-hero {
    padding-top: 1.5rem;
  }

  .px4-hero-images {
    flex-direction: column;
    max-width: 560px;
  }

  .px4-hero-image {
    width: 100%;
    height: auto;
  }
}

@media screen and (max-width: 520px) {
  .px4-card-grid {
    grid-template-columns: 1fr;
  }
}

/* Tables: use Material's existing scroll container, never a nested one. */
.md-typeset table:not([class]) {
  width: 100%;
  table-layout: auto;
}

.md-typeset table:not([class]) th,
.md-typeset table:not([class]) td {
  padding: 0.65rem 0.8rem;
  vertical-align: top;
  overflow-wrap: break-word;
  word-break: normal;
}

/* Allow long source paths to wrap instead of expanding the entire page. */
.md-typeset table:not([class]) code {
  white-space: normal;
  overflow-wrap: anywhere;
}