/* Reset defaults */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: #f5f5f5; /* light grey background */
  color: #333;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Header Navigation */
header {
  background-color: #ffffff; /* white */
  border-bottom: 1px solid #ccc; /* light grey border */
  padding: 12px 0;
}

header a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.2s ease;
}

header a:hover {
  color: #555; /* darker grey on hover */
}

/* Main Content */
main {
  flex: 1;
  padding: 24px 0;
}

section.card {
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #ddd;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* Grid for Jobs */
.grid {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

/* Job Cards */
.card {
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 14px;
  text-decoration: none;
  color: inherit;
  background-color: #fff;
  transition: all 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  border-color: #999; /* slightly darker grey on hover */
}

/* Empty message */
.hidden {
  display: none;
}

/* Footer */
footer {
  text-align: center;
  padding: 14px 0;
  background-color: #e9e9e9; /* grey footer */
  border-top: 1px solid #ccc;
  font-size: 14px;
  color: #444;
}