/* Headings color */
.md-content h1 {
  color: var(--md-primary-fg-color);
}

/* Home hero header */
.hero-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin: 2em 0;
}

.hero-title {
  text-align: left;
}

.hero-title h1 {
  margin: 0;
}

.hero-subtitle {
  font-size: 1.1em;
  color: #888;
  margin: 0.4rem 0 0;
}

/* Home hero promo badge */
.promo-badge {
  margin: 0;
  text-align: center;
}

.promo-badge img {
  width: min(230px, 32vw);
  height: auto;
  border-radius: 0;
  border: 0;
  box-shadow: none;
}

/* Info chips row */
.info-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.chip {
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 999px;
  padding: 0.5rem 1.2rem;
  font-size: 0.95rem;
  white-space: normal;
}

.chip a {
  text-decoration: none;
  color: var(--md-primary-fg-color);
  font-weight: 600;
  transition: color 0.2s;
}

.chip a:hover {
  color: var(--md-accent-fg-color);
}

@media (max-width: 900px) {
  .hero-header {
    flex-direction: column;
    gap: 0.8rem;
    text-align: center;
  }

  .hero-title {
    text-align: center;
  }

  .promo-badge img {
    width: min(240px, 70vw);
  }
}

/* Challenge / test cards grid */
.challenge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.challenge-card {
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 12px;
  padding: 1.25rem 1rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.challenge-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.challenge-emoji {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.challenge-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--md-primary-fg-color);
  margin-bottom: 0.4rem;
}

.challenge-desc {
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.4;
}

/* Robot preview section */
.robot-preview {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin: 1.5rem 0;
}

.robot-preview-text {
  flex: 1;
}

.robot-preview-text p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.robot-preview-img {
  flex: 0 0 280px;
}

.robot-preview-img img {
  width: 100%;
  border-radius: 12px;
}

@media (max-width: 768px) {
  .robot-preview {
    flex-direction: column-reverse;
  }

  .robot-preview-img {
    flex: none;
    width: 100%;
    max-width: 300px;
  }
}

/* Organizers grid */
.organizers-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 180px));
  gap: 1rem;
  margin: 1.5rem 0;
  justify-content: center;
}

.organizer-card {
  text-align: center;
  padding: 1rem 0.75rem;
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 10px;
  text-decoration: none;
  color: var(--md-default-fg-color);
  transition: transform 0.2s, box-shadow 0.2s;
  display: block;
}

.organizer-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.organizer-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin-bottom: 0.5rem;
  border: 3px solid var(--md-primary-fg-color);
}

.organizer-card:hover .organizer-avatar{
  border-color: var(--md-accent-fg-color);
}

.organizer-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--md-primary-fg-color);
  margin-bottom: 0.15rem;
}

.organizer-card:hover .organizer-name {
  color: var(--md-accent-fg-color);
}

.organizer-links {
  font-size: 0.8rem;
  color: var(--md-default-fg-color--light);
}

/* Cards in grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background: var(--md-code-bg-color);
  border-radius: 12px;
  padding: 1.5rem;
  text-decoration: none;
  border: 1px solid var(--md-default-fg-color--lightest);
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.card:hover .card-title {
  color: var(--md-accent-fg-color);
}

.card-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--md-primary-fg-color);
  transition: color 0.2s;
}

.card-description {
  font-size: 0.9rem;
  color: var(--md-default-fg-color--light);
  margin-top: 0.3rem;
}

/* Sponsors grid */
.sponsors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
  align-items: stretch;
}

.sponsor-card {
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: white;
  border-radius: 12px;
  min-height: 120px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.sponsor-card:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.sponsor-card img {
  max-width: 100%;
  max-height: 80px;
  object-fit: contain;
}

/* Responsive video */
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  /* 16:9 ratio */
  height: 0;
  margin: 1.5rem 0;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Images with rounded borders and size constraint */
.md-content img {
  border-radius: 8px;
  max-width: 100%;
}

/* Guide page images: smaller */
.md-content img[alt="Imagen del kit BocoBot"],
.md-content img[alt="Componentes del kit BocoBot"],
.md-content img[alt="Diagrama de conexiones"] {
  max-width: 500px;
  display: block;
  margin: 1rem auto;
}

/* MkDocs Material button enhancements */
.md-button {
  border-radius: 8px !important;
  transition: transform 0.2s, box-shadow 0.2s !important;
}

.md-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}