body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f7fb;
  color: #1f2937;
  line-height: 1.6;
}

/* HEADER */
header {
  background: #232f3e;
  color: white;
  padding: 40px 20px;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 32px;
}

header p {
  margin-top: 10px;
  opacity: 0.85;
}

/* LAYOUT */
.container {
  max-width: 900px;
  margin: 30px auto;
  padding: 0 20px;
}

/* CARDS */
.card {
  background: white;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

/* HEADINGS */
h2 {
  margin-top: 0;
  font-size: 20px;
  border-left: 4px solid #232f3e;
  padding-left: 10px;
}

/* TEXT */
p {
  color: #374151;
}

/* LISTS */
ul {
  padding-left: 20px;
}

/* TAGS */
.tag {
  display: inline-block;
  background: #e5e7eb;
  padding: 6px 10px;
  border-radius: 20px;
  font-size: 12px;
  margin: 4px 4px 0 0;
}

/* LINKS */
.link {
  color: #2563eb;
  text-decoration: none;
}

.link:hover {
  text-decoration: underline;
}

/* HIGHLIGHT */
.highlight {
  font-weight: bold;
  color: #111827;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 20px;
  font-size: 12px;
  color: #6b7280;
}