.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 13, 22, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 960px;
  margin: auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  margin-left: 1.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}

nav a:hover {
  color: var(--text);
}

.section {
  max-width: 960px;
  margin: auto;
  padding: 6rem 1.5rem;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 3.8rem);
}

h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.section-intro {
  max-width: 520px;
  color: var(--muted);
  margin-bottom: 2.5rem;
}