body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #0b1220;
  color: #e5e7eb;
}

header {
  background: #111827;
  color: #f9fafb;
  padding: 30px 20px;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2.5em;
}

header p {
  margin-top: 10px;
  opacity: 0.9;
}

.container {
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-auto-rows: minmax(120px, auto);
  gap: 20px;
}

.featured-row {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

.featured-card {
  width: 100%;
  max-width: 320px;
}

@media (max-width: 1200px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: #111827;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  transition: 0.2s;
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.5);
}

.card h2 {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.card .emoji {
  font-size: 1.8rem;
  line-height: 1;
}

.card .label {
  line-height: 1.3;
}

.card .exam {
  font-size: 0.8rem;
  font-weight: 400;
  color: #9ca3af;
  line-height: 1.3;
}

.card p {
  font-size: 0.95em;
  color: #666;
}

footer {
  text-align: center;
  padding: 20px;
  font-size: 0.9em;
  color: #9ca3af;
}