/* ============================================================
   Hero Section
   ============================================================ */
.hero {
  background: linear-gradient(135deg, #1a237e 0%, #283593 50%, #1565c0 100%);
  color: #fff;
  padding: 80px 40px;
  text-align: center;
  margin: -1.2rem -1.6rem 2rem -1.6rem;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  color: #fff !important;
  border: none;
}

.hero .hero-subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  max-width: 680px;
  margin: 0 auto 2rem auto;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none !important;
  transition: all 0.2s ease;
  cursor: pointer;
}

.hero-btn-primary {
  background: #fff;
  color: #1a237e !important;
  border: 2px solid #fff;
}

.hero-btn-primary:hover {
  background: transparent;
  color: #fff !important;
}

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

.hero-btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}

/* ============================================================
   Feature Cards  (vasp.at style — 3-col grid)
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 580px) {
  .feature-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
}

.feature-card {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 6px;
  padding: 1.5rem;
  transition: box-shadow 0.2s, border-color 0.2s;
  background: var(--md-default-bg-color);
}

.feature-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  border-color: var(--md-primary-fg-color);
}

.feature-card .card-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--md-default-fg-color--light);
  margin: 0 0 1rem 0;
  line-height: 1.5;
}

.feature-card a.card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--md-primary-fg-color);
  text-decoration: none;
}

.feature-card a.card-link:hover {
  text-decoration: underline;
}

/* ============================================================
   News / Announcement Section
   ============================================================ */
.news-section {
  margin: 3rem 0 1rem 0;
}

.news-section h2 {
  font-size: 1.5rem;
  border-bottom: 2px solid var(--md-primary-fg-color);
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

/* ============================================================
   Contributors Section
   ============================================================ */
.contributors-section {
  margin: 3rem 0 1rem 0;
}

.contributors-section h2 {
  font-size: 1.5rem;
  border-bottom: 2px solid var(--md-primary-fg-color);
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

.contributors-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  padding: 0;
  list-style: none;
}

.contributors-list li {
  font-size: 0.95rem;
  color: var(--md-default-fg-color);
}

.contributors-list li::before {
  content: "▸ ";
  color: var(--md-primary-fg-color);
}

/* ============================================================
   Hide left sidebar on homepage only
   ============================================================ */
[data-md-component="sidebar"][data-md-type="navigation"] {
  display: initial;
}