/* ===============================
   Global Reset & Base
================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background-color: #f8f9fa;
  color: #333;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===============================
   Typography
================================ */
.article-title {
  font-size: 32px;
  margin-bottom: 15px;
  color: #2c3e50;
}

.article-subtitle {
  font-size: 18px;
  color: #7f8c8d;
  margin-bottom: 20px;
}

.author-info {
  font-size: 14px;
  color: #7f8c8d;
  margin-bottom: 30px;
}

.article-content {
  background: #ffffff;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.article-content p {
  margin-bottom: 16px;
  line-height: 1.7;
}

.article-content ul {
  margin-left: 20px;
  margin-bottom: 16px;
}

h2 {
  margin: 40px 0 15px;
  color: #2c3e50;
}

h3 {
  margin-bottom: 10px;
  color: #2c3e50;
}

/* ===============================
   CTA Button (Base)
================================ */
.cta-btn {
  display: inline-block;
  margin-top: 16px;
  padding: 14px 22px;
  background: linear-gradient(90deg, #3b82f6, #2563eb);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 8px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

/* ===============================
   Responsive
================================ */
@media (max-width: 768px) {
  .article-title {
    font-size: 24px;
  }

  .article-content {
    padding: 22px;
  }
}