/* Style.css */
body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f8f9fa;
  color: #333;
}

/* HEADER */
header {
  background: linear-gradient(135deg, #333, #555);
  color: #fff;
  padding: 2rem 0;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2.8rem;
  font-weight: 600;
}

header p {
  margin: 0.5rem 0 0;
  font-weight: 300;
}

/* NAVIGATION */
nav {
  background-color: #fff;
  padding: 1rem 0;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav a {
  color: #333;
  text-decoration: none;
  margin: 0 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

nav a:hover {
  color: #007BFF;
  border-bottom: 2px solid #007BFF;
  padding-bottom: 2px;
}

/* MAIN */
main {
  padding: 2rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.article {
  background-color: #fff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.article h2 {
  margin-top: 0;
  color: #007BFF;
}

.article p {
  line-height: 1.7;
}

/* FOOTER */
footer {
  background: linear-gradient(135deg, #333, #555);
  color: #fff;
  padding: 1.2rem 0;
  text-align: center;
  margin-top: 2rem;
}