/* style.css */
:root {
  --primary-color: #2563eb;
  --text-color: #1f2937;
  --bg-color: #f9fafb;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  margin: 0;
  padding: 0;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
  background: white;
  min-height: 100vh;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

header {
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 20px;
  margin-bottom: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
}

nav a {
  margin-left: 20px;
  color: #4b5563;
  text-decoration: none;
  font-weight: 500;
}

nav a:hover {
  color: var(--primary-color);
}

h1 { color: #111827; }
h2 { color: #374151; margin-top: 30px; }

.hero {
  text-align: center;
  padding: 50px 0;
}

.btn {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  margin-top: 20px;
}

.btn:hover {
  background: #1d4ed8;
}

footer {
  text-align: center;
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid #e5e7eb;
  color: #6b7280;
  font-size: 14px;
}