* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: #222;
  line-height: 1.5;
}

.site-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #eee;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: #1a7a4c;
  text-decoration: none;
}
.logo span { color: #888; font-weight: 400; }

.hero {
  padding: 3rem 1.5rem;
  text-align: center;
  background: linear-gradient(180deg, #eafaf1, #fff);
}
.hero h1 { font-size: 2rem; margin-bottom: 0.5rem; }
.hero p { color: #555; }

.pillars { padding: 2rem 1.5rem; max-width: 1000px; margin: 0 auto; }
.pillars h2 { margin-bottom: 1rem; }

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}

.pillar-card {
  display: block;
  padding: 1.25rem 1rem;
  border-radius: 10px;
  background: #f7f7f7;
  text-decoration: none;
  color: #222;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.pillar-card:hover { transform: translateY(-2px); box-shadow: 0 4px 14px rgba(0,0,0,0.08); }
.pillar-card h3 { font-size: 1rem; font-weight: 600; }

.loading, .error { color: #888; text-align: center; grid-column: 1 / -1; }
.error { color: #b23; }

.site-footer {
  padding: 1.5rem;
  text-align: center;
  color: #999;
  font-size: 0.85rem;
  border-top: 1px solid #eee;
  margin-top: 2rem;
}