/* VLA Foundry - TRI brand colors (red, gray, black) */

:root {
  /* Light mode - TRI palette */
  --md-primary-fg-color: #8B0F1F;
  --md-primary-fg-color--light: #a11325;
  --md-primary-fg-color--dark: #6e0c18;
  --md-accent-fg-color: #CF152D;
  --md-accent-fg-color--transparent: rgba(207, 21, 45, 0.1);
  --md-typeset-a-color: #CF152D;
}

[data-md-color-scheme="slate"] {
  /* Dark mode - TRI palette */
  --md-default-bg-color: #141414;
  --md-default-bg-color--light: #1e1e1e;
  --md-default-bg-color--lighter: #2a2a2a;
  --md-primary-fg-color: #8B0F1F;
  --md-primary-fg-color--light: #a11325;
  --md-primary-fg-color--dark: #6e0c18;
  --md-accent-fg-color: #E02040;
  --md-typeset-a-color: #E02040;
}

/* Header */
.md-header {
  background-color: var(--md-primary-fg-color);
}

/* Tabs - charcoal instead of red to avoid red-on-red */
.md-tabs {
  background-color: #2d2d2d;
}

/* Hero section on landing page */
.hero {
  text-align: center;
  padding: 2rem 1rem;
}

.hero img {
  max-width: 600px;
  width: 100%;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.15rem;
  color: var(--md-typeset-color);
  max-width: 700px;
  margin: 0 auto 2rem;
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.feature-card {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
  padding: 1.5rem;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 4px 16px rgba(207, 21, 45, 0.1);
}

.feature-card h3 {
  margin-top: 0;
  font-size: 1rem;
}

.feature-card p {
  font-size: 0.9rem;
  margin-bottom: 0;
  color: var(--md-typeset-color--light);
}

/* Quick links row */
.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin: 1.5rem 0;
}

.quick-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  background: var(--md-accent-fg-color);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.quick-links a:hover {
  opacity: 0.9;
}

.quick-links a.secondary {
  background: transparent;
  border: 1px solid #63656A;
  color: var(--md-typeset-color) !important;
}

.quick-links a.secondary:hover {
  border-color: var(--md-accent-fg-color);
}

/* Admonition customization */
.md-typeset .admonition,
.md-typeset details {
  border-radius: 6px;
}

/* Code block styling */
.md-typeset code {
  border-radius: 4px;
}

/* Navigation sidebar active state */
.md-nav__item--active > .md-nav__link {
  color: var(--md-accent-fg-color);
}

/* Footer - charcoal to match tabs */
.md-footer {
  background-color: #2d2d2d;
}

/* Table styling */
.md-typeset table:not([class]) {
  border-radius: 6px;
  overflow: hidden;
}

.md-typeset table:not([class]) th {
  background-color: #63656A;
  color: #fff;
}

/* Make header title clickable */
.md-header__title {
  cursor: pointer;
}

.md-header__title:hover {
  opacity: 0.8;
}