/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f7;
}

/* Container */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  text-align: center;
  padding: 60px 0 40px;
}

h1 {
  font-size: 3rem;
  font-weight: 700;
  color: #1d1d1f;
  margin-bottom: 10px;
}

.tagline {
  font-size: 1.2rem;
  color: #666;
}

/* Main Content */
main {
  flex: 1;
  margin-bottom: 40px;
}

section {
  background: white;
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

h2 {
  font-size: 1.5rem;
  color: #1d1d1f;
  margin-bottom: 15px;
}

p {
  margin-bottom: 10px;
  color: #555;
}

/* Features List */
.features ul {
  list-style: none;
}

.features li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
}

.features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #0071e3;
  font-weight: bold;
}

/* Links List */
.links ul {
  list-style: none;
  padding-left: 0;
}

.links li {
  padding: 8px 0;
}

/* Footer */
footer {
  text-align: center;
  padding: 20px 0;
  color: #666;
  font-size: 0.9rem;
  border-top: 1px solid #e0e0e0;
}

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

  .tagline {
    font-size: 1rem;
  }

  section {
    padding: 20px;
  }
}