:root {
  --main-bg: #000000;
  --text-color: #ffffff;
  --accent-color: #d00000;
  --line-color: #ffffff;
  --gap: 20px;
}

body {
  margin: 0;
  background-color: var(--main-bg);
  color: var(--text-color);
  font-family: "Times New Roman", serif;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  padding: 0 40px;
}

nav a {
  text-decoration: none;
  color: inherit;
  font-family: Arial, sans-serif;
  font-size: 12px;
  text-transform: uppercase;
}

.horizontal-line {
  grid-column: span 12;
  border-bottom: 1px solid var(--line-color);
  margin: 10px 0;
}

.science-title {
  grid-column: span 12;
  font-size: clamp(3rem, 10vw, 8rem);
  text-transform: uppercase;
  margin: 20px 0;
  line-height: 1;
}

.content-left {
  grid-column: 1 / span 5;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: 20px;
}

.sub-heading {
  font-size: 2rem;
  font-style: italic;
  border-bottom: 1px solid white;
  padding-bottom: 10px;
  margin: 0;
}

.description {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-top: 20px;
}

.image-wrapper {
  margin-top: auto;
  padding-top: 40px;
}

.grayscale-img {
  width: 100%;
  filter: grayscale(100%);
  opacity: 0.8;
}

.stats-right {
  grid-column: 7 / span 6;
  padding: 30px;
  background-color: #111;
  border-radius: 5px;
  padding-top: 20px;
}

.stat-item {
  margin-bottom: 40px;
}

.stat-item:last-child {
  margin-bottom: 0;
}

.stat-number {
  font-size: 4rem;
  font-weight: bold;
  color: var(--accent-color);
  display: block;
}

.stat-label {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 2px;
  margin: 10px 0;
}

.stat-detail {
  font-size: 0.9rem;
  opacity: 0.8;
  margin: 0;
}

.footer-line {
  margin-top: 60px;
}

.footer-container {
  grid-column: span 12;
  padding: 20px 0;
  font-size: 12px;
  opacity: 0.6;
  display: flex;
  justify-content: space-between;
}