* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: #222;
  background: #fafafa;
}
.site-header {
  padding: 24px 16px;
  text-align: center;
}
.site-header h1 { margin: 0 0 8px; }
.site-header p { margin: 0; color: #555; }

.columns {
  display: flex;
  gap: 16px;
  padding: 0 16px 24px;
  align-items: flex-start;
}
.column {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.06);
  overflow: hidden;
}
.card img { width: 100%; height: auto; display: block; }
.card .media { width: 100%; display: block; background: linear-gradient(135deg, #eef1f5, #dfe6ef); border-bottom: 1px solid #f0f0f0; }
.card h2 { font-size: 18px; margin: 12px 12px 4px; }
.card p { margin: 0 12px 16px; color: #444; }

.sr-only { display: none; }