:root {
  --bg-dark: #050816;
  --bg-card: #0f172a;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.18);
  --text-main: #e5e7eb;
  --text-muted: #9ca3af;
  --text-dark: #13456f;
  --border-subtle: rgba(148, 163, 184, 0.35);
  --shadow-soft: 0 24px 80px rgba(15, 23, 42, 0.8);
  --radius-xl: 24px;
  --radius-pill: 999px;
  --transition-fast: 180ms ease-out;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top, #1e293b 0, #020617 55%);
  color: var(--text-main);
  /* min-height: 100vh; */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.navbar {
  background: #004080;
  color: white;
  display: flex;
  justify-content: space-between;
  padding: 1rem 2rem;
  position: relative;
}
.sticky {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  padding: 2rem;
}
.blog-card {
  background: white;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
}
.featured-img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
}
.read-more, .download-pdf {
  background: #004080;
  color: white;
  padding: 0.5rem 1rem;
  text-decoration: none;
  display: inline-block;
  margin-top: 1rem;
}