:root {
  color: #172033;
  background: #f5f8fc;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body { margin: 0; }

main {
  width: min(760px, calc(100% - 32px));
  margin: 40px auto;
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid #dbe5f0;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(15, 35, 65, 0.08);
}

h1, h2 { color: #111827; }
h1 { margin-top: 0; font-size: clamp(2rem, 7vw, 3rem); }
h2 { margin-top: 2rem; font-size: 1.2rem; }
p, li { color: #4b5d73; line-height: 1.65; }
a { color: #0176d3; }
.meta { color: #718096; font-size: 0.9rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.button {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 12px;
  background: #0176d3;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}
nav { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; padding-top: 20px; border-top: 1px solid #e5edf5; }