:root {
  --bg: #0b1220;
  --card: #111a2e;
  --muted: #9fb0d1;
  --text: #e8eefc;
  --accent: #3aa0ff;
  --border: #22304f;
  --radius: 16px;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial, sans-serif;
}
a {
  color: inherit;
  text-decoration: none;
}

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, 0.8);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.brand img {
  height: 36px;
  border-radius: 8px;
}
.menu {
  display: flex;
  gap: 18px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0.02)
  );
  font-weight: 600;
}

.container {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 28px 16px;
}
.page-title {
  margin: 24px 0 8px;
  text-align: center;
  font-size: 34px;
  line-height: 1.15;
}
.subtitle {
  margin: 0 auto 24px;
  max-width: 900px;
  color: var(--muted);
  text-align: center;
}

.section {
  padding: 18px 0;
}
.grid {
  display: grid;
  gap: 24px;
  justify-items: center;
}
.grid.cols-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  width: 100%;
  max-width: 280px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}
.avatar {
  width: 130px;
  height: 130px;
  border-radius: 18px;
  object-fit: cover;
  margin: 6px auto 12px;
  display: block;
  border: 1px solid var(--border);
}
.role {
  color: var(--muted);
  margin: 6px 0 0;
}

.section h2 {
  margin: 0 0 12px;
  text-align: center;
}
.group-title {
  margin: 18px 0 18px;
  font-size: 22px;
  text-align: center;
}

footer {
  text-align: center;
  padding: 20px 0;
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}