:root {
  --bg: #03100a;
  --fg: #5cff8f;
  --muted: #5f9e7a;
  --accent: #2fd674;
  --accent-2: #8effb8;
  --danger: #ff5a5a;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(60, 200, 130, 0.18);
  --maxw: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animated starfield behind everything */
#stars {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  display: block;
}

a { color: var(--accent-2); text-decoration: none; }

/* ---- Nav ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1.4rem;
  background: rgba(3, 16, 10, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fg);
  font-family: monospace;
  font-weight: 700;
  letter-spacing: 0.25em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.9rem;
}
.nav-links a { color: var(--muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--fg); }

.nav-cta {
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent-2) !important;
}
.nav-cta:hover { background: rgba(47, 214, 116, 0.15); }

/* ---- Layout ---- */
main { max-width: var(--maxw); margin: 0 auto; padding: 0 1.4rem; }

.section { padding: 5rem 0; }
.section h2 {
  font-family: monospace;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: 0.1em;
  margin-bottom: 2.2rem;
  text-align: center;
}

/* ---- Hero ---- */
.hero {
  text-align: center;
  padding: 5.5rem 0 4rem;
}
.hero-logo {
  filter: drop-shadow(0 0 30px rgba(47, 214, 116, 0.45));
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.hero-title {
  margin: 1.2rem 0 0.6rem;
  line-height: 0;
}
/* Wordmark drawn from the in-game vector font (typer.cpp glyph geometry). */
.wordmark {
  display: block;
  width: min(640px, 82vw);
  height: auto;
  margin: 0 auto;
  color: var(--accent-2);
  filter: drop-shadow(0 0 16px rgba(47, 214, 116, 0.5));
}
.tagline {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: var(--accent-2);
}
.sub {
  max-width: 38rem;
  margin: 1rem auto 0;
  color: var(--muted);
}
.cta-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2.2rem;
}
.note { margin-top: 1rem; color: var(--muted); font-size: 0.85rem; }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #16a44f);
  color: #fff;
  box-shadow: 0 6px 24px rgba(47, 214, 116, 0.35);
}
.btn-primary:hover { box-shadow: 0 10px 32px rgba(47, 214, 116, 0.5); }
.btn-ghost {
  border: 1px solid var(--border);
  color: var(--fg);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.05); }
.btn-lg { font-size: 1.2rem; padding: 1rem 2.4rem; }

/* ---- Features grid ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.6rem;
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  background: rgba(47, 214, 116, 0.06);
}
.card h3 {
  font-family: monospace;
  color: var(--accent-2);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}
.card p { color: var(--muted); }

/* ---- Platforms ---- */
.platforms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.platform {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}
.platform-name {
  font-family: monospace;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
}
.platform-detail { color: var(--muted); font-size: 0.9rem; }
.platform-primary {
  border-color: var(--accent);
  background: rgba(47, 214, 116, 0.08);
}
.platform-primary .platform-name { color: var(--accent-2); }
a.platform { transition: transform 0.2s, box-shadow 0.2s; }
a.platform:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(47, 214, 116, 0.3); }

/* ---- Controls ---- */
.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 760px;
  margin: 0 auto;
}
.ctrl-col h3 {
  font-family: monospace;
  color: var(--accent-2);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}
.ctrl-col p { color: var(--muted); margin-bottom: 0.8rem; }
.ctrl-col table { width: 100%; border-collapse: collapse; }
.ctrl-col td { padding: 0.4rem 0; border-bottom: 1px solid var(--border); }
.ctrl-col td:last-child { color: var(--muted); text-align: right; }
kbd {
  display: inline-block;
  font-family: monospace;
  font-size: 0.8rem;
  padding: 0.15rem 0.5rem;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
}

/* ---- Final CTA ---- */
.cta-final { text-align: center; }
.cta-final h2 { margin-bottom: 1.6rem; }

/* ---- Footer ---- */
.footer {
  text-align: center;
  padding: 3rem 1.4rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}
.footer p { margin: 0.2rem 0; }

@media (max-width: 560px) {
  .nav-links { gap: 0.9rem; }
  .nav-links a:not(.nav-cta) { display: none; }
}