:root {
  --bg: #0d1117;
  --bg-raised: #151c26;
  --text: #e6e9ee;
  --muted: #9aa5b4;
  --accent: #6fb3e0;
  --accent-strong: #3d8fc9;
  --border: #243044;
  --steam: #1b2838;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

h1, h2, h3 {
  font-family: "Cinzel", Georgia, serif;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

.hero {
  padding: 96px 16px 64px;
  text-align: center;
  background:
    radial-gradient(ellipse at top, rgba(111, 179, 224, 0.18), transparent 60%),
    linear-gradient(180deg, #111a26 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}

.hero__inner { max-width: 760px; margin: 0 auto; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  color: var(--accent);
  margin: 0 0 12px;
}

.hero h1 {
  font-size: clamp(2.6rem, 9vw, 5rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
}

.tagline {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 auto 32px;
  max-width: 560px;
}

.hero__art {
  display: block;
  margin: 48px auto 0;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}

.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--accent-strong);
  color: #fff;
  border: 1px solid var(--accent-strong);
}

.btn--primary:hover { background: var(--accent); border-color: var(--accent); }

.btn--ghost {
  color: var(--text);
  border: 1px solid var(--border);
  background: transparent;
}

.btn--ghost:hover { border-color: var(--accent); }

main { max-width: 960px; margin: 0 auto; padding: 0 16px; }

.section { padding: 64px 0; border-bottom: 1px solid var(--border); }

.section h2 { font-size: 1.8rem; color: var(--accent); }

.section > p { max-width: 680px; color: var(--muted); font-size: 1.05rem; }

.features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.features li {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
}

.features h3 { font-size: 1.05rem; }

.features p { margin: 0; color: var(--muted); }

.cta { text-align: center; border-bottom: 0; }

.cta > p { margin: 0 auto 28px; }

.steam-widget {
  display: block;
  width: 100%;
  max-width: 646px;
  height: 190px;
  margin: 40px auto 0;
  border: 0;
}

.footer {
  text-align: center;
  padding: 32px 16px;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}