:root {
  --bg: #0b0f0d;
  --panel: #111814;
  --green: #00ff9c;
  --green-dim: #00c27a;
  --text: #e6f0eb;
  --muted: #8fa3a0;
  --border: #1e2a25;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: radial-gradient(circle at top, #0f1a14, var(--bg));
  color: var(--text);
  line-height: 1.7;
}

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

a:hover {
  color: var(--green-dim);
}

nav {
  border-bottom: 1px solid var(--border);
  background: rgba(10, 14, 12, 0.85);
  backdrop-filter: blur(6px);
}

.nav-inner {
  max-width: 1100px;
  margin: auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 1px;
}

.logo span {
  color: var(--green);
}

.nav-links a {
  margin-left: 24px;
  font-size: 14px;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--green);
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 80px 24px;
}

.hero h1 {
  font-size: 46px;
  margin-bottom: 10px;
}

.hero p {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.card {
  background: linear-gradient(180deg, #0f1713, var(--panel));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
}

.card h3 {
  margin-top: 0;
  color: var(--green);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

nav {
  position: sticky;
  top: 0;
  z-index: 1000;
}