:root {
  --primary: #00ffcc;
  --secondary: #1e1e2f;
  --background: #121212;
  --text: #eeeeee;
  --card-bg: #1f1f2f;
}

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

body {
  background: var(--background);
  color: var(--text);
  font-family: 'Segoe UI', Arial, sans-serif;
  line-height: 1.6;
}

header {
  background: var(--secondary);
  padding: 10px;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}

header img {
  height: 60px;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 20px auto;
}

h1, h2, h3 { color: var(--primary); }

.articles {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:20px;
  margin-top:20px;
}

.card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

.card a {
  color: var(--primary);
  text-decoration: none;
}

footer {
  text-align:center;
  margin-top:50px;
  padding:20px;
  background: var(--secondary);
  color: var(--text);
}