/* === Index page specific styles - only when a .hero-section exists === */

/* Hide sidebars on landing page */
body:has(.hero-section) .md-sidebar,
body:has(.hero-section) .md-sidebar--primary,
body:has(.hero-section) .md-sidebar--secondary {
  display: none !important;
}

/* Make the whole content stack full-width and remove padding/margins */
body:has(.hero-section) .md-container,
body:has(.hero-section) .md-main,
body:has(.hero-section) .md-main__inner,
body:has(.hero-section) .md-content,
body:has(.hero-section) .md-content__inner,
body:has(.hero-section) .md-typeset {
  max-width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* Remove Material's top spacer bar that creates a gap above content */
body:has(.hero-section) .md-content__inner::before,
body:has(.hero-section) .md-content__inner::after {
  content: none !important;
  display: none !important;
  height: 0 !important;
}

/* Hide the markdown H1 on the landing page (hero acts as title) */
body:has(.hero-section) .md-content h1:first-of-type {
  display: none !important;
}

/* Hide only "View source of this page" on the landing page */
body:has(.hero-section)
  a.md-content__button[title="View source of this page"],
body:has(.hero-section)
  a.md-content__button[aria-label="View source of this page"] {
  display: none !important;
}

/* Hide the site_name text in the header, keep nav + buttons */
/* If you only want this on the landing page, wrap it with body:has(.hero-section) */
.md-header__title .md-header__topic:first-child {
  display: none !important;
}

/* === Hero section === */
.hero-section {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;

  /* Fill viewport; if header overlap occurs, use calc(100vh - var(--md-toolbar-height)) */
  min-height: calc(90vh);

  margin: 0;
  padding: 4rem 1.5rem;

  color: #fff;
  background: linear-gradient(
    180deg,
    var(--md-primary-fg-color),
    var(--md-accent-fg-color)
  );
}

/* If you don't use these visually, you can keep them invisible */
.hero-background,
.hero-overlay {
  display: none;
}

.hero-content {
  max-width: 52rem;
}

/* Center logo in hero */
.hero-logo-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.5rem;
}

.hero-logo-container img {
  max-width: 320px;
  height: auto;
}

/* Theme-aware logo swap: default = light, slate = dark */
.logo-light {
  display: block;
}

.logo-dark {
  display: none;
}

[data-md-color-scheme="slate"] .logo-light {
  display: none;
}

[data-md-color-scheme="slate"] .logo-dark {
  display: block;
}

.hero-description {
  margin: 0 auto 2rem;
  font-size: 1.2rem;
  line-height: 1.7;
}

/* Hero buttons */
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.hero-button {
  display: inline-block;
  padding: 0.8rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    background-color 0.15s ease,
    color 0.15s ease;
}

.hero-button-primary {
  background-color: var(--md-accent-fg-color);
  color: #fff !important;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.hero-button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}

.hero-button-secondary {
  background-color: transparent;
  color: #fff !important;
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.hero-button-secondary:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

/* Simple responsive tweak */
@media screen and (max-width: 768px) {
  .hero-section {
    padding: 3rem 1.2rem;
  }

  .hero-description {
    font-size: 1.05rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-button {
    width: 100%;
    max-width: 260px;
  }

  .hero-logo-container img {
    max-width: 260px;
  }
}