:root {
  --accent: #c6ff00;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #14151f;
  color: #fff;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  max-width: 600px;
  width: 100%;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

header {
  text-align: center;
}

header h1 {
  font-size: 2.5em;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.games-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.game-btn {
  display: block;
  padding: 16px 32px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #000;
  text-decoration: none;
  font-size: 1.2em;
  font-weight: 600;
  text-align: center;
  transition: all 0.2s;
  cursor: pointer;
}

.game-btn:hover {
  background: #00ff00;
  transform: translateY(-1px);
}

.game-btn:active {
  transform: translateY(0);
}

footer {
  text-align: center;
  padding: 30px 20px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9em;
}

@media (max-width: 480px) {
  header h1 {
    font-size: 2em;
  }

  .game-btn {
    padding: 24px;
    font-size: 1.3em;
  }
}