:root {
  --bg: #f2f5f7;
  --ink: #0f1b24;
  --surface: #ffffff;
  --accent: #0d8fd4;
  --ok: #2aaf62;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  background:
    repeating-linear-gradient(
      -45deg,
      #ecf2f6,
      #ecf2f6 10px,
      #f4f7fa 10px,
      #f4f7fa 20px
    );
  color: var(--ink);
  min-height: 100vh;
  padding: 1rem;
}
main {
  max-width: 1020px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1rem;
}
aside, section {
  background: var(--surface);
  border: 1px solid #d8e3ea;
  border-radius: 18px;
  padding: 1.2rem;
}
.chip {
  display: inline-block;
  border-radius: 999px;
  background: #dcf3ff;
  color: #0a628f;
  font-size: 0.78rem;
  padding: 0.22rem 0.65rem;
}
h1 { margin: 0.7rem 0; font-size: clamp(1.9rem, 4.5vw, 3rem); line-height: 1.05; }
a {
  display: inline-block;
  margin-top: 1rem;
  text-decoration: none;
  background: var(--accent);
  color: white;
  border-radius: 11px;
  padding: 0.68rem 0.9rem;
}
.metric {
  display: grid;
  gap: 0.1rem;
  margin-bottom: 0.65rem;
  background: #f7fbfe;
  border: 1px solid #d8e6ef;
  border-radius: 12px;
  padding: 0.75rem;
}
.metric strong { font-size: 1.45rem; color: var(--ok); }
.metric span { color: #455e70; }
.stack {
  margin-top: 0.8rem;
  border: 1px solid #cfe0ea;
  border-radius: 12px;
  padding: 0.75rem;
}
.stack h2 { margin: 0 0 0.6rem; font-size: 1.1rem; }
.stack ul { margin: 0; padding-left: 1.1rem; }
.stack li { margin-bottom: 0.45rem; }
@media (max-width: 860px) {
  main { grid-template-columns: 1fr; }
}