/* --- RESET / BASE STYLES --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background-color: #f8f8f8;
  color: #222;
}

/* --- HEADER --- */
.header {
  background: #1a1a1a;
  color: white;
  text-align: center;
  padding: 1.5rem 1rem;
}
.header h1 span {
  color: #e41b17;
}
.navbar ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}
.navbar a {
  color: white;
  text-decoration: none;
  padding: 0.5rem 0.8rem;
  border: 1px solid transparent;
  transition: 0.3s;
}
.navbar a:hover {
  border-color: #e41b17;
}

/* --- LAYOUT --- */
.content {
  display: flex;
  gap: 2rem;
  padding: 2rem;
  max-width: 1200px;
  margin: auto;
}
.sidebar {
  flex: 1;
  background: #fff;
  padding: 1rem;
  border-radius: 6px;
}
.main-article {
  flex: 2;
  background: #fff;
  padding: 1.5rem;
  border-radius: 6px;
}
h2, h3 {
  color: #e41b17;
  margin-bottom: 0.5rem;
}
p {
  margin-bottom: 1rem;
}
ul {
  margin-left: 1rem;
  margin-bottom: 1rem;
}
img.responsive-img {
  width: 100%;
  height: auto;
  border-radius: 5px;
  margin: 1rem 0;
}

/* --- FOOTER --- */
.footer {
  text-align: center;
  background: #1a1a1a;
  color: white;
  padding: 1.5rem;
  margin-top: 2rem;
}
.footer a {
  color: #e41b17;
  text-decoration: none;
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 992px) {
  .content {
    flex-direction: column;
  }
  .navbar ul {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 0.95rem;
  }
  .header h1 {
    font-size: 1.5rem;
  }
  .header h2 {
    font-size: 1rem;
  }
  .content {
    padding: 1rem;
  }
}