:root {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --border: #334155;
}

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

body {
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  padding: 2rem 1rem;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 3rem;
  animation: fadeIn 0.8s ease-out;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow:
    0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  border-color: var(--accent);
}

h2 {
  color: var(--accent);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

ul {
  list-style-type: none;
  margin-bottom: 1rem;
}

li {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
  position: relative;
}

li::before {
  content: "•";
  color: var(--accent);
  position: absolute;
  left: 0;
  font-weight: bold;
}

footer {
  text-align: center;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-hover);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 600px) {
  h1 {
    font-size: 2rem;
  }

  .card {
    padding: 1.5rem;
  }
}
