:root {
  --bg: #f2f5f9;
  --ink: #102a43;
  --accent: #0f766e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #ffffff, var(--bg));
  color: var(--ink);
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid #dbe3ee;
  backdrop-filter: blur(6px);
}
.topbar nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.topbar a {
  color: #0f172a;
  text-decoration: none;
  border: 1px solid #cbd5e1;
  padding: 6px 10px;
  border-radius: 999px;
  background: #fff;
}
.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 18px 14px 60px;
}
.hero {
  background: linear-gradient(130deg, #e0f2fe, #dcfce7);
  border: 1px solid #cde4d5;
  border-radius: 18px;
  padding: 18px;
}
.cards {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}
.card {
  background: #fff;
  border: 1px solid #d8e1ec;
  border-radius: 14px;
  padding: 14px;
}
.long-content {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}
.long-content .block {
  min-height: 280px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid #d8e1ec;
  padding: 12px;
}
.info {
  margin-top: 10px;
  font-size: 14px;
  color: #334155;
}
@media (min-width: 760px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}