/* Index-specific styles */

.hero {
  min-height: calc(100vh - var(--nav-offset));
  padding: clamp(var(--spacing-md), 4vw, var(--spacing-lg)) var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: clamp(var(--spacing-md), 3vw, var(--spacing-lg));
  contain: layout style;
}

.hero-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(var(--spacing-xs), 2vw, var(--spacing-md));
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero-logo {
  width: clamp(180px, 32vw, 360px);
  height: auto;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  object-fit: cover;
  clip-path: circle(50%);
  filter: none;
  user-select: none;
  /* Optimize rendering */
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  content-visibility: auto;
}

.hero-subtitle {
  margin: 0 0 var(--spacing-xs);
  font-size: clamp(0.85rem, 2vw, 1rem);
  color: var(--text-secondary);
  max-width: 60ch;
  font-family: var(--font-sans);
  letter-spacing: 0.01em;
  opacity: 0.9;
}



.highlight-human {
  color: var(--color-secondary);
  font-weight: 700;
}


/* Announcements Section */
.announcements {
  padding: 0;
  background: var(--bg-primary);
  contain: layout style;
  min-height: 250px;
}

.announcements-container {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  flex-direction: column;
  overflow-x: visible;
  scroll-snap-type: none;
  gap: 0;
  contain: layout style;
  min-height: 250px;
}

.announcement-card {
  /* Base styles inherited from body.css */
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  position: relative;
  overflow: hidden;
}

.announcement-card time {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
  display: block;
}

.announcement-card h1,
.announcement-card h2,
.announcement-card h3,
.announcement-card h4,
.announcement-card h5,
.announcement-card h6 {
  color: var(--text-secondary);
}

.announcement-card h1 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--spacing-xs) 0;
  line-height: 1.3;
}

.announcement-card h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--spacing-xs) 0;
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.announcement-card h2 .lucide-icon {
  width: 1.1em;
  height: 1.1em;
  color: var(--color-secondary);
  flex-shrink: 0;
}

.announcement-card .content {
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.announcement-card .content p {
  margin: 0 0 var(--spacing-xs) 0;
}

.announcement-card .content p:last-child {
  margin-bottom: 0;
}

.announcement-card img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: var(--spacing-xs) 0;
  box-shadow: 0 2px 8px var(--shadow-color);
  transition: transform 0.3s ease;
}

.announcement-card img:hover {
  transform: scale(1.02);
}

.announcement-card canvas {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: var(--spacing-xs) 0;
  box-shadow: 0 2px 8px var(--shadow-color);
  background: var(--bg-primary);
  border: none;
}

.announcement-card .chart-container {
  position: relative;
  width: 100%;
  height: 250px;
  max-width: 100%;
  margin: var(--spacing-xs) 0;
  cursor: pointer;
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.3s ease;
  background: var(--bg-primary);
  border: none;
}

.announcement-card .chart-container:hover {
  transform: scale(1.02);
}

.announcement-card .chart-container canvas {
  width: 100% !important;
  height: 100% !important;
  max-width: 100%;
  transition: filter 0.3s ease;
  display: block;
}

.announcement-card .chart-container:hover canvas {
  filter: brightness(1.05);
}

.link-icon {
  font-size: 0.8rem;
  margin-right: 0.25rem;
  color: var(--color-secondary);
}



/* Loading States */
.loading-skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-primary) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: loading 1s infinite;
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
  height: 100px;
  will-change: background-position;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Load More Button */
.load-more-btn {
  display: block;
  margin: var(--spacing-lg) auto;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: Georgia, 'Times New Roman', serif;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 200px;
  text-align: center;
}

.load-more-btn:hover {
  background: var(--bg-primary);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 2px 8px var(--shadow-color);
}

.load-more-btn:active {
  transform: translateY(0);
}

.load-more-btn:disabled,
.load-more-btn.loading {
  opacity: 0.6;
  cursor: wait;
  pointer-events: none;
}

.load-more-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 1000;
  border-radius: 4px;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 6px;
}






/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-secondary);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary) var(--bg-secondary);
}