:root {
  --bg: #1a1a1a;
  --accent: #225795;
  --text: #e0e0e0;
}

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

body {
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

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

a:hover,
a:focus {
  color: var(--accent);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 8vw;
  border-bottom: 2px solid var(--accent);
}

.brand {
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 24px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
}

.hero {
  padding: 72px 8vw 48px;
  border-bottom: 2px solid var(--accent);
}

.eyebrow {
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(2.2rem, 3vw, 3rem);
  color: var(--accent);
  margin-bottom: 16px;
}

.subhead {
  max-width: 680px;
  font-size: 1.05rem;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  padding: 48px 8vw 72px;
}

.card {
  border: 2px solid var(--accent);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: transparent;
}

.card-label {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.card h2 {
  font-size: 1.1rem;
  color: var(--text);
}

.card p {
  font-size: 0.95rem;
  color: var(--text);
}

.site-footer {
  padding: 24px 8vw 48px;
  border-top: 2px solid var(--accent);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 16px;
  }
}