:root {
  --bg: #12151a;
  --panel: #1b2027;
  --text: #e3e7ec;
  --muted: #98a2ae;
  --accent: #ff8a1f;
  --accent-text: #1a1005;
  --border: #2b323c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

.hero {
  padding: 4.5rem 1rem 3.5rem;
  text-align: center;
  background: linear-gradient(180deg, #232a33, var(--bg));
  border-bottom: 1px solid var(--border);
}
.hero-inner { max-width: 44rem; margin: 0 auto; }
h1 { margin: 0 0 .5rem; font-size: clamp(2.5rem, 8vw, 4rem); letter-spacing: .02em; }
.tagline { color: var(--muted); font-size: 1.15rem; }

.cta { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; margin: 1.5rem 0; }
.button {
  display: inline-block;
  padding: .7rem 1.4rem;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  text-decoration: none;
}
.button:hover { filter: brightness(1.1); }
.button.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }

main { max-width: 52rem; margin: 0 auto; padding: 0 1rem; }
section { margin: 3rem 0; }
h2 { font-size: 1.7rem; border-bottom: 1px solid var(--border); padding-bottom: .4rem; }
h3 { margin-bottom: .25rem; }

img { max-width: 100%; height: auto; border-radius: 8px; display: block; }

.notice {
  margin-top: 1rem;
  padding: .8rem 1rem;
  background: var(--panel);
  border-left: 4px solid var(--accent);
  border-radius: 4px;
}

.steam {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.steam h2 { margin: 0 0 .25rem; padding: 0; border: 0; font-size: 1.3rem; }
.steam p { margin: 0; color: var(--muted); }
.button.disabled { background: transparent; color: var(--muted); border: 1px dashed var(--muted); cursor: default; }
.button.disabled:hover { filter: none; }

.notice.warning {
  margin: 1.25rem 0;
  padding: 1rem 1.25rem;
  background: rgba(255, 138, 31, .12);
  border: 1px solid var(--accent);
  border-left-width: 6px;
  font-size: 1.05rem;
}

.features { list-style: none; padding: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.features li { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: .5rem 1rem 1rem; }
.features h3 { margin-top: .6rem; color: var(--accent); }
.features p { margin: 0; color: var(--muted); }
.planned-title { margin-top: 2rem; }
.planned { color: var(--muted); }

.gallery { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); }
.gallery img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.gallery.single { grid-template-columns: minmax(0, 36rem); justify-content: center; }
.gallery.single img { aspect-ratio: auto; object-fit: contain; }
figure.gallery { margin: 1rem 0 0; }
figcaption { margin-top: .5rem; color: var(--muted); font-size: .95rem; text-align: center; }

code { background: var(--panel); padding: .1rem .35rem; border-radius: 4px; font-size: .92em; }
pre { background: var(--panel); padding: 1rem; border-radius: 8px; overflow-x: auto; }
pre code { padding: 0; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .5rem .75rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }

footer { text-align: center; color: var(--muted); font-size: .9rem; padding: 2rem 1rem 3rem; border-top: 1px solid var(--border); }