:root {
  font: 16px/1.5 system-ui;
  color: #172538;
  background: #f3f6f8;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
header {
  height: 72px;
  background: #102b4a;
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
}
.eyebrow {
  margin: 0;
  color: #f5a15c;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.header-actions {
  display: flex;
  gap: 12px;
}
.quiet {
  color: white;
  background: transparent;
  border: 1px solid #ffffff66;
  border-radius: 8px;
  padding: 8px 12px;
  text-decoration: none;
  font: inherit;
}
.shell {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: calc(100vh - 72px);
}
aside {
  background: #17385f;
  padding: 24px 16px;
  color: white;
}
nav {
  display: grid;
  gap: 8px;
}
nav button {
  font: inherit;
  text-align: left;
  border: 0;
  border-radius: 8px;
  padding: 12px;
  background: transparent;
  color: white;
}
nav button:hover,
nav button:focus {
  background: #ffffff18;
}
.boundary {
  font-size: 0.8rem;
  color: #c8d6e5;
  margin-top: 32px;
}
main {
  padding: 36px;
  max-width: 1100px;
  width: 100%;
}
.lede {
  color: #526579;
  max-width: 70ch;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.card {
  background: white;
  border: 1px solid #d9e1e8;
  border-radius: 14px;
  padding: 20px;
}
.card h2 {
  font-size: 0.86rem;
  color: #526579;
}
.card p {
  font-size: 1.3rem;
  font-weight: 700;
}
.invite-form {
  margin-top: 28px;
  background: white;
  border: 1px solid #d9e1e8;
  border-radius: 14px;
  padding: 22px;
  max-width: 620px;
}
.invite-form label {
  display: grid;
  gap: 6px;
  margin: 14px 0;
  font-weight: 650;
}
.invite-form input {
  font: inherit;
  padding: 11px;
  border: 1px solid #9aa9ba;
  border-radius: 8px;
}
.invite-form button {
  font: inherit;
  font-weight: 700;
  color: white;
  background: #17385f;
  border: 0;
  border-radius: 8px;
  padding: 11px 16px;
}
@media (max-width: 760px) {
  .shell {
    grid-template-columns: 1fr;
  }
  aside {
    padding: 12px;
  }
  nav {
    display: flex;
    overflow: auto;
  }
  main {
    padding: 24px;
  }
}