:root {
  --bg: #020702;
  --panel: #031003;
  --text: #8dff8d;
  --muted: #5fd95f;
  --primary: #7bff7b;
  --primary-strong: #b7ffb7;
  --border: #2ca72c;
  --glow: rgba(94, 255, 94, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Courier New", Courier, monospace;
  line-height: 1.55;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    repeating-linear-gradient(
      180deg,
      rgba(0, 0, 0, 0) 0,
      rgba(0, 0, 0, 0) 2px,
      rgba(27, 90, 27, 0.25) 3px,
      rgba(0, 0, 0, 0) 4px
    );
  text-shadow: 0 0 6px var(--glow);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at center, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0.55) 100%);
  z-index: 999;
}

.container {
  width: min(980px, 92%);
  margin: 0 auto;
}

.hero {
  border-bottom: 1px solid var(--border);
  padding: 72px 0 56px;
  background: linear-gradient(180deg, rgba(6, 22, 6, 0.85), rgba(3, 12, 3, 0.9));
}

h1, h2, h3 {
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

h2 {
  font-size: 1.7rem;
  margin-bottom: 16px;
}

p {
  color: var(--muted);
}

main {
  padding: 40px 0 60px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 18px;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: inset 0 0 8px rgba(0, 255, 0, 0.15);
}

.card .btn {
  margin-top: auto;
  align-self: flex-start;
}

.btn {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 0;
  text-decoration: none;
  color: #001900;
  background: var(--primary-strong);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.btn:hover {
  color: var(--bg);
  background: var(--primary);
  box-shadow: 0 0 10px var(--glow);
}

.btn-secondary {
  background: var(--primary);
}

.nav-link {
  display: inline-block;
  margin: 20px 0;
  color: var(--primary);
  text-decoration: none;
}

.nav-link:hover {
  text-decoration: underline;
}

.section-panel {
  background: rgba(4, 20, 4, 0.8);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 20px;
  margin-bottom: 16px;
}

ul {
  color: var(--muted);
}

footer {
  border-top: 1px solid var(--border);
  padding: 20px 0 28px;
}