:root {
  --bg-color: #121212;
  --text-color: #ffffff;
  --accent-color: #00ffaa;
  --card-bg: #1e1e1e;
  --progress-bar-color: var(--accent-color);
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  padding: 20px;
}

.hero {
  text-align: center;
  margin-bottom: 40px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  color: var(--accent-color);
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.8;
}

section {
  margin-bottom: 40px;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  text-align: center;
}

.cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 480px;
  margin: 0 auto;
}

.card {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease-in-out;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.card .current {
  font-size: 2rem;
  font-weight: bold;
  color: var(--accent-color);
  margin: 10px 0;
}

.card .target {
  font-size: 1rem;
  opacity: 0.7;
  margin-bottom: 10px;
}

.progress-bar-container {
  height: 12px;
  background-color: #333;
  border-radius: 6px;
  overflow: hidden;
  margin: 10px 0;
}

.progress-bar {
  height: 100%;
  background-color: var(--progress-bar-color);
  border-radius: 6px;
  box-shadow: 0 0 6px rgba(0, 255, 170, 0.5);
  width: 0;
  transition: width 0.6s ease-out;
}

.percentage {
  font-size: 0.9rem;
  color: var(--accent-color);
}

.journey-cards {
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  max-width: none;
}

.journey-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 25px;
  text-decoration: none;
  border-radius: 10px;
  margin: 10px;
  width: 100px;
  height: 100px;
  transition: background-color 0.3s ease, transform 0.2s ease-in-out;
}

.journey-card:hover {
  background-color: #2a2a2a;
  transform: translateY(-5px);
}

.journey-card svg {
  width: 44px;
  height: 44px;
}

.journey-card:hover svg {
  fill: #9ca3af;
}

@media (max-width: 768px) {
  .cards {
    gap: 15px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .card {
    padding: 15px;
  }

  .journey-card {
    width: 84px;
    height: 84px;
  }

  .journey-card svg {
    width: 36px;
    height: 36px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .journey-card {
    width: 72px;
    height: 72px;
    padding: 15px;
  }

  .journey-card svg {
    width: 30px;
    height: 30px;
  }
}