:root {
  --bg: #0b0d12;
  --accent: #00f5ff;
  --text: #e6e6e6;
  --muted: #9aa0a6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  background: radial-gradient(circle at top, #11162a, #05060a);
}

.hero h1 {
  font-size: 4rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  color: var(--accent);
}

.tagline {
  font-size: 1.2rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

.cta {
  text-decoration: none;
  color: #000;
  background: var(--accent);
  padding: 0.8rem 1.6rem;
  font-weight: 700;
  border-radius: 4px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 245, 255, 0.35);
}

/* MAIN */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

section {
  margin-bottom: 3rem;
}

section h2 {
  color: var(--accent);
  margin-bottom: 0.75rem;
}

ul {
  padding-left: 1.2rem;
}

li {
  margin: 0.4rem 0;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 2rem 1rem;
  background: #05060a;
  color: var(--muted);
  font-size: 0.9rem;
}