:root,
[data-md-color-scheme="default"] {
  --md-primary-fg-color:        #CC0000;
  --md-primary-fg-color--light: #E60000;
  --md-primary-fg-color--dark:  #A30000;
  --md-accent-fg-color:         #CC0000;
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color:        #CC0000;
  --md-primary-fg-color--light: #E60000;
  --md-primary-fg-color--dark:  #A30000;
  --md-accent-fg-color:         #E60000;
}

/* ----------  Hero section  ---------- */

.tx-container {
  padding-top: 1rem;
  padding-bottom: 1rem;
  background: linear-gradient(
    to bottom,
    var(--md-primary-fg-color),
    var(--md-primary-fg-color--dark) 99%,
    var(--md-default-bg-color) 99%
  );
}

.tx-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: var(--md-primary-bg-color);
  /* width: 80%; */
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.tx-hero h1 {
  margin-bottom: 1rem;
  color: currentcolor;
  font-weight: 700;
  font-size: 2.4rem;
  line-height: 1.15;
}

.tx-hero p {
  color: currentcolor;
  font-size: 1.15rem;
  line-height: 1.7;
  opacity: 0.92;
}

.tx-hero__acronym {
  font-size: 1.3rem;
  letter-spacing: 0.03em;
  opacity: 0.95;
  margin-bottom: 0.25rem;
}

.tx-hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.tx-hero .md-button {
  color: var(--md-primary-bg-color);
  border-color: var(--md-primary-bg-color);
}

.tx-hero .md-button--primary {
  color: var(--md-primary-fg-color--dark);
  background-color: var(--md-primary-bg-color);
  border-color: var(--md-primary-bg-color);
}

.tx-hero .md-button:focus,
.tx-hero .md-button:hover {
  color: var(--md-accent-fg-color);
  background-color: var(--md-primary-bg-color);
  border-color: var(--md-primary-bg-color);
}

@media screen and (max-width: 480px) {
  .tx-hero h1 {
    font-size: 1.8rem;
  }
  .tx-hero p {
    font-size: 1rem;
  }
  .tx-container {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }
}

/* ----------  Full-width home content  ---------- */

.md-grid {
  max-width: 1440px;
}

/* ----------  Card hover enhancements  ---------- */

.md-typeset .grid.cards > ul > li,
.md-typeset .grid > .card {
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.md-typeset .grid.cards > ul > li:hover,
.md-typeset .grid > .card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

[data-md-color-scheme="slate"] .md-typeset .grid.cards > ul > li:hover,
[data-md-color-scheme="slate"] .md-typeset .grid > .card:hover {
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

/* ----------  macOS window chrome for ALL code blocks  ---------- */

.md-typeset .highlight {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding-top: 32px;
  background: #e0e0e0;
}

.md-typeset .highlight::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 32px;
  z-index: 1;
  background: #e0e0e0;
  background-image:
    radial-gradient(circle at 16px 50%, #ff5f57 5px, transparent 5px),
    radial-gradient(circle at 36px 50%, #ffbd2e 5px, transparent 5px),
    radial-gradient(circle at 56px 50%, #28c940 5px, transparent 5px);
  background-repeat: no-repeat;
}

.md-typeset .highlight pre {
  margin: 0;
  border-radius: 0 0 8px 8px;
}

.md-typeset .highlight code {
  border-radius: 0 0 8px 8px;
}

.md-typeset .highlight .md-code__nav {
  top: 36px;
}

[data-md-color-scheme="slate"] .md-typeset .highlight {
  background: #2d2d2d;
}

[data-md-color-scheme="slate"] .md-typeset .highlight::before {
  background-color: #2d2d2d;
  background-image:
    radial-gradient(circle at 16px 50%, #ff5f57 5px, transparent 5px),
    radial-gradient(circle at 36px 50%, #ffbd2e 5px, transparent 5px),
    radial-gradient(circle at 56px 50%, #28c940 5px, transparent 5px);
}

/* ----------  Mermaid diagram readability  ---------- */

/* Light mode: light fill with dark text */
.md-typeset .mermaid .node rect,
.md-typeset .mermaid .node polygon,
.md-typeset .mermaid .node circle,
.md-typeset .mermaid .node ellipse {
  fill: #f5f5f5 !important;
  stroke: #555 !important;
  stroke-width: 1.5px !important;
}

.md-typeset .mermaid .node .nodeLabel,
.md-typeset .mermaid .nodeLabel {
  color: #1a1a1a !important;
  fill: #1a1a1a !important;
}

.md-typeset .mermaid .edgeLabel {
  background-color: #fff !important;
  color: #333 !important;
  fill: #333 !important;
}

.md-typeset .mermaid .edgePath .path {
  stroke: #888 !important;
  stroke-width: 1.5px !important;
}

.md-typeset .mermaid marker path {
  fill: #888 !important;
}

/* Dark mode: dark fill with light text */
[data-md-color-scheme="slate"] .md-typeset .mermaid .node rect,
[data-md-color-scheme="slate"] .md-typeset .mermaid .node polygon,
[data-md-color-scheme="slate"] .md-typeset .mermaid .node circle,
[data-md-color-scheme="slate"] .md-typeset .mermaid .node ellipse {
  fill: #3a3a3a !important;
  stroke: #888 !important;
  stroke-width: 1.5px !important;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid .node .nodeLabel,
[data-md-color-scheme="slate"] .md-typeset .mermaid .nodeLabel {
  color: #e0e0e0 !important;
  fill: #e0e0e0 !important;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid .edgeLabel {
  background-color: #2d2d2d !important;
  color: #ccc !important;
  fill: #ccc !important;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid .edgePath .path {
  stroke: #999 !important;
  stroke-width: 1.5px !important;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid marker path {
  fill: #999 !important;
}