.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: linear-gradient(
    180deg,
    rgba(7, 10, 18, 0.78),
    rgba(7, 10, 18, 0.52)
  );
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: 0.2px;
}

.logo {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  display: block;
  object-fit: cover;
  background: radial-gradient(
      12px 12px at 30% 30%,
      rgba(255, 255, 255, 0.9),
      rgba(255, 255, 255, 0) 70%
    ),
    linear-gradient(135deg, rgba(97, 245, 255, 0.9), rgba(168, 117, 255, 0.85));
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18),
    0 14px 40px rgba(97, 245, 255, 0.12);
}

main {
  flex: 1;
  min-height: 0;
  display: flex;
}

.hero {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 24px;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  flex: 1;
  min-height: 0;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 0 22px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  line-height: 1.6;
  flex: 0 0 auto;
}

.footer-meta {
  display: flex;
  gap: 12px 18px;
  flex-wrap: wrap;
  justify-content: center;
  text-align: center;
}