* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, -apple-system, Arial, sans-serif;
  background: #ffffff;
  color: #111827;
  line-height: 1.85;
  font-size: 20px;
}

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 52px 20px;
}

.site-header {
  border-bottom: 1px solid #e5e7eb;
  padding: 24px 0;
}

.site-header img {
  height: 60px;
}

.article-meta {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 18px;
}

h1 {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 30px;
  color: #0f172a;
}

.lead {
  font-size: 23px;
  font-weight: 500;
  margin-bottom: 30px;
  color: #1f2937;
}

p {
  margin-bottom: 26px;
  color: #1f2937;
}

h2 {
  font-size: 27px;
  font-weight: 600;
  margin: 52px 0 20px;
  color: #0f172a;
}

.article-image {
  width: 100%;
  margin: 40px 0;
  border-radius: 8px;
}

.highlight {
  background: #f0f6ff;
  border-left: 5px solid #1b5fa7;
  padding: 24px;
  margin: 40px 0;
  font-size: 22px;
  font-weight: 500;
  color: #0f172a;
}

.cta {
  margin: 70px 0;
  text-align: center;
}

.cta a {
  display: inline-block;
  max-width: 600px;
  width: 100%;
  padding: 22px 34px;
  background: #1b5fa7;
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 22px;
  border-radius: 12px;
  transition: background 0.25s ease;
}

.cta a:hover {
  background: #144a80;
}

.cta-note {
  margin-top: 14px;
  font-size: 14px;
  color: #6b7280;
}

footer {
  border-top: 1px solid #e5e7eb;
  margin-top: 90px;
  padding: 40px 0;
  font-size: 14px;
  text-align: center;
  color: #6b7280;
}