/* Reset & base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #445C4D 0%, #2A3A2B 100%);
  color: #EFEFEF;
  line-height: 1.5;
}
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Header */
header {
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 2px solid rgba(239,239,239,0.3);
}
header h1 {
  font-size: 2.5rem;
  margin-bottom: 5px;
}
.subtitle {
  font-size: 1rem;
  color: rgba(239,239,239,0.7);
}

/* Main Cards */
main {
  margin-top: 30px;
}
.card {
  background: rgba(239,239,239,0.1);
  backdrop-filter: blur(8px);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.card h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}
.card p, .card ul {
  font-size: 1rem;
}
.card ul {
  list-style-type: disc;
  margin-left: 20px;
}
.card ul li {
  margin-bottom: 8px;
}

/* Footer */
footer {
  text-align: center;
  margin-top: 40px;
  font-size: 0.9rem;
  color: rgba(239,239,239,0.6);
}

/* Responsive */
@media (max-width: 480px) {
  header h1 {
    font-size: 2rem;
  }
  .card h2 {
    font-size: 1.25rem;
  }
  .card p, .card ul, .subtitle {
    font-size: 0.9rem;
  }
}