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

body {
  background-color: #0C0F12;
  color: #FFFFFF;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Heading Styles */
h1 {
  color: #DE9B35;
  font-size: 2.5rem;
  border-bottom: 2px solid #DE9B35;
  padding-bottom: 10px;
  margin-bottom: 20px;
}

h2 {
  font-size: 1.8rem;
  margin-top: 30px;
  color: #F5F5F5;
  position: relative;
}

h2::before {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  height: 3px;
  width: 60px;
  background: linear-gradient(to right, #DE9B35, #5D79AE);
}

/* Text Elements */
p {
  margin-bottom: 16px;
}

a {
  color: #FFFFFF;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Navigation */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

nav a {
  color: #FFFFFF;
}

/* Highlight Boxes */
.highlight-box {
  border-left: 4px solid #DE9B35;
  padding-left: 16px;
  margin: 30px 0;
}

/* Section Block Styling */
.section {
  padding: 60px 20px;
  margin-bottom: 40px;
  border-radius: 12px;
  background: linear-gradient(145deg, #0F1218 0%, #1C1F26 100%);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Visual Placeholder */
.viz-placeholder {
  border: 2px dashed #5D79AE;
  background-color: rgba(93, 121, 174, 0.05);
  color: #5D79AE;
  padding: 80px 20px;
  text-align: center;
  font-weight: bold;
  margin: 40px 0;
}

/* Footer */
footer {
  background-color: #0C0F12;
  border-top: 2px solid #DE9B35;
  padding: 20px 0;
  text-align: center;
  font-size: 14px;
  color: #FFFFFF;
  margin-top: 60px;
}

/* Banner Image */
.banner {
  width: 100%;
  display: block;
  max-height: 400px;
  object-fit: cover;
}

/* Source Card Layout */
.source-cards {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 2rem;
  margin-bottom: 3rem;
}

.source-card {
  background-color: #1A1D22;
  width: 300px;
  padding: 20px;
  border-left: 4px solid #5D79AE;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
  color: inherit;
}

.source-card:hover {
  transform: scale(1.03);
  box-shadow: 0 0 20px rgba(93, 121, 174, 0.5);
}

.source-card h3 {
  color: #5D79AE;
}

.source-card p {
  color: #A0A0A0;
}