:root {
  font-family: "IBM Plex Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #111;
  background-color: #f9fafc;
}

body {
  margin: 0;
  background-color: #f9fafc;
  color: #111;
}

a {
  color: inherit;
}

.layout-post {
  background: #f9fafc;
  min-height: 100vh;
}

.navigation-wrap {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  background-color: #fff;
}

.navbar {
  padding: 1rem 0;
}

.navbar-brand {
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mainheading {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.posttitle {
  font-size: 2.25rem;
  font-weight: 600;
}

.article-post {
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 20px 45px rgba(15, 30, 50, 0.08);
}

.article-post p {
  font-size: 1rem;
  line-height: 1.7;
  color: #2d2d2d;
}

.article-post h4 {
  font-weight: 600;
  margin-top: 2rem;
}

.sidebar .sidebar-section {
  background: #fff;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  padding: 1.5rem;
  box-shadow: 0 20px 45px rgba(15, 30, 50, 0.08);
  margin-top: 2rem;
}

.footer {
  padding: 3rem 0;
  color: #777;
}

.list-group-item {
  border: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.list-group-item:last-child {
  border-bottom: none;
}

.card {
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.08);
}