:root {
  --bg: #181920;
  --card-bg: #232439;
  --accent: #6ee7b7;
  --text: #f1f5f9;
  --muted: #94a3b8;
}

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', sans-serif;
  min-height: 100vh;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 20px;
}

h1 {
  text-align: center;
  margin-bottom: 32px;
  font-size: 2.5rem;
  letter-spacing: 1px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}

.card {
  background: var(--card-bg);
  border-radius: 18px;
  box-shadow: 0 4px 18px 0 rgba(0,0,0,0.17);
  padding: 32px 24px 24px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.14s;
  min-height: 210px;
}

.card:hover {
  transform: translateY(-6px) scale(1.025);
  box-shadow: 0 8px 28px 0 rgba(0,0,0,0.25);
}

.card-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.card-desc {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 26px;
}

.card-btn {
  background: var(--accent);
  color: #1e293b;
  border: none;
  border-radius: 8px;
  padding: 10px 0;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
  text-align: center;
  margin-top: auto;
  display: block;
}

.card-btn:hover {
  background: #4ade80;
  color: #181920;
}