:root {
  --bg: #0f1220;
  --panel: #181c30;
  --text: #e6e9f5;
  --muted: #9aa3c4;
  --accent: #4f8cff;
  --accent2: #9b6bff;
  --border: #2a3050;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
}
.container { width: min(1000px, 92%); margin: 0 auto; }
.hero {
  padding: 4rem 0 3rem;
  background: linear-gradient(135deg, rgba(79, 140, 255, .25), rgba(155, 107, 255, .2));
  border-bottom: 1px solid var(--border);
}
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; margin: 0; }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); margin: .4rem 0; }
.lead { color: var(--muted); font-size: 1.15rem; max-width: 40rem; }
h2 { margin-top: 3rem; border-left: 4px solid var(--accent2); padding-left: .7rem; }
code { background: #0b0d18; padding: .1em .35em; border-radius: 4px; font-size: .9em; color: #b9c8ff; }
.flow { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; counter-reset: step; }
.flow li {
  counter-increment: step;
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}
.flow li::before { content: counter(step); display: inline-block; width: 1.6rem; height: 1.6rem; line-height: 1.6rem; text-align: center; border-radius: 50%; background: var(--accent); color: #fff; font-size: .85rem; margin-bottom: .4rem; }
.flow strong, .flow span { display: block; }
.flow span { color: var(--muted); font-size: .9rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 1.2rem; }
.card h3 { margin-top: 0; }
.role { color: var(--muted); }
.card ul { padding-left: 1.1rem; margin-bottom: 0; }
.advantages { display: grid; gap: .8rem; margin: 0; }
.advantages div { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 1rem 1.2rem; }
.advantages dt { font-weight: 700; color: var(--accent); }
.advantages dd { margin: .2rem 0 0; }
.footer { margin-top: 4rem; padding: 1.5rem 0; border-top: 1px solid var(--border); color: var(--muted); font-size: .9rem; }
a { color: var(--accent); }
.demo { width: 100%; height: auto; border: 1px solid var(--border); border-radius: 10px; background: #000; }