:root {
  --bg: #0b0f17;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.09);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.68);
  --ring: rgba(255,255,255,0.20);
  --accent: #7C3AED; /* lila, kannst du anpassen */
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(124,58,237,0.22), transparent 60%),
              radial-gradient(900px 500px at 80% 30%, rgba(255,215,0,0.10), transparent 55%),
              var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 999;
  backdrop-filter: blur(12px);
  background: rgba(11,15,23,0.75);
  border-bottom: 1px solid var(--ring);
}

.topbar__inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 14px;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.switcher {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 2px;
}

.switcher__item {
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid transparent;
  white-space: nowrap;
}

.switcher__item.is-active {
  color: var(--text);
  background: rgba(124,58,237,0.22);
  border-color: rgba(124,58,237,0.50);
}

.page {
  padding: 16px 14px 40px;
}

.hero h1 {
  margin: 10px 0 6px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
}

.grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.card {
  display: block;
  padding: 16px;
  border-radius: 16px;
  background: var(--panel2);
  border: 1px solid var(--ring);
  text-decoration: none;
  color: var(--text);
}

.card__title {
  font-weight: 900;
  font-size: 16px;
}

.card__sub {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

@media (min-width: 720px) {
  .topbar__inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .switcher { max-width: 70vw; }
  .grid { grid-template-columns: repeat(2, 1fr); }
}