:root {
  --bg: #0b0b0b;
  --fg: #f6f6f6;
  --accent: #ffb300;
  --card: #141414;
  --muted: #bdbdbd;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #0d0d0d, #1c1c1c);
  color: var(--fg);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
}
.container {
  width: min(920px, 92vw);
  background: var(--card);
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 8px 30px rgba(0,0,0,.35);
  text-align: center;
  border: 1px solid #2a2a2a;
}
.logo {
  width: 140px; height: 140px;
  border-radius: 16px;
  background: #fff;
  display: inline-grid; place-items: center;
  overflow: hidden;
  margin: 6px auto 20px;
  border: 1px solid #eee;
}
h1 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 8px 0;
  letter-spacing: 0.5px;
}
p.lead {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--muted);
  margin: 0 0 18px 0;
}
a.button {
  display: inline-block;
  padding: 12px 18px;
  background: var(--accent);
  color: #1a1a1a;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: transform .06s ease, box-shadow .2s ease;
  box-shadow: 0 6px 16px rgba(255,179,0,.35);
}
a.button:hover { transform: translateY(-1px); }
nav {
  margin-top: 22px;
  font-size: 15px;
}
nav a {
  color: var(--fg);
  opacity: 0.8;
  text-decoration: none;
  margin: 0 10px;
}
nav a:hover { opacity: 1; text-decoration: underline; }
footer {
  margin-top: 22px;
  font-size: 13px;
  color: #9a9a9a;
}
main {
  padding: 8px 0 0;
}
.article {
  text-align: left;
  line-height: 1.6;
}
.article h2 {
  margin-top: 18px;
}
.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background: #0f0f0f;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #2a2a2a;
}