/* AstroWillkommen v3 – clean, friendly, no popups */

:root{
  --bgA:#090b2a;
  --bgB:#081a3f;

  --glow1: rgba(255, 210, 245, .34);
  --glow2: rgba(190, 255, 250, .26);
  --glow3: rgba(255, 245, 200, .20);

  --card: rgba(255,255,255,.14);
  --card2: rgba(255,255,255,.20);
  --stroke: rgba(255,255,255,.26);

  --text: rgba(255,255,255,.94);
  --muted: rgba(255,255,255,.78);

  --accent1:#b9fff6;
  --accent2:#ffd7fb;

  --shadow: 0 18px 60px rgba(0,0,0,.42);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: "Nunito", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  overflow:hidden;

  background:
    radial-gradient(900px 560px at 18% 10%, var(--glow1), transparent 65%),
    radial-gradient(900px 560px at 92% 18%, var(--glow2), transparent 65%),
    radial-gradient(900px 560px at 50% 92%, var(--glow3), transparent 70%),
    linear-gradient(135deg, var(--bgA), var(--bgB));
}

#space{
  position:fixed; inset:0;
  width:100%; height:100%;
  display:block;
  z-index:0;
}

/* Topbar */
.topbar{
  position:relative;
  z-index:3;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 18px 22px;
}

.brand{display:flex; align-items:center; gap:12px; user-select:none}
.logo{
  width:42px; height:42px;
  border-radius:16px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(255,255,255,.18), rgba(255,255,255,.10));
  border:1px solid rgba(255,255,255,.22);
  box-shadow: 0 14px 36px rgba(0,0,0,.28);
  font-size:20px;
}
.brandTitle{font-weight:800; letter-spacing:.3px; font-size:20px}
.brandTag{font-weight:700; font-size:12px; color: var(--muted); margin-top:2px}

.actions{display:flex; gap:10px; align-items:center}

/* Main */
.stage{
  position:relative;
  z-index:2;
  height: calc(100% - 86px);
  display:grid;
  place-items:center;
  padding: 16px;
}

.card{
  position:relative;
  width:min(1040px, 92vw);
  height: min(76vh, 740px);
  padding: 24px 26px 22px;
  border-radius: 26px;
  background: linear-gradient(180deg, var(--card2), var(--card));
  border:1px solid var(--stroke);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow:hidden;
}

.cardGlow{
  position:absolute; inset:-2px;
  border-radius: 28px;
  background:
    radial-gradient(700px 260px at 35% 0%, rgba(185,255,246,.26), transparent 60%),
    radial-gradient(520px 240px at 85% 10%, rgba(255,215,251,.22), transparent 55%),
    radial-gradient(620px 300px at 22% 100%, rgba(255,245,200,.18), transparent 60%);
  pointer-events:none;
  opacity:.95;
}

.cardHeader h1{
  margin:0 0 6px;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height:1.05;
}
.accent{
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.subtitle{
  margin:0 0 14px;
  color: var(--muted);
  font-weight:700;
  font-size: 14px;
}

.introText{
  font-size: clamp(14px, 1.25vw, 18px);
  line-height: 1.45;
  font-weight: 700;
  color: rgba(255,255,255,.92);

  column-count: 2;
  column-gap: 26px;
  column-fill: auto;

  height: calc(100% - 132px);
  padding-right: 6px;
}
.introText p{margin:0 0 10px; break-inside: avoid;}

.ctaRow{
  position:absolute;
  left: 26px; right: 26px; bottom: 18px;
  display:flex; gap:12px; align-items:center; flex-wrap:wrap;
}

/* Buttons/links */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;

  border:0;
  cursor:pointer;
  border-radius: 14px;
  padding: 10px 14px;
  font-weight: 800;
  letter-spacing:.2px;
  color: rgba(255,255,255,.96);
  transition: transform .12s ease, filter .12s ease, background .18s ease, border-color .18s ease;
  user-select:none;
}
.btn:active{transform: translateY(1px) scale(.99)}
.btn:hover{filter: brightness(1.08)}
.btnBig{padding: 12px 18px; font-size: 15px}

.btnPrimary{
  background: linear-gradient(135deg, rgba(109,91,255,.95), rgba(37,215,255,.86));
  box-shadow: 0 16px 34px rgba(0,0,0,.28);
}
.btnSoft{
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.26);
}

.floaty{ animation: float 7.5s ease-in-out infinite; }
@keyframes float{
  0%{ transform: translateY(0px) }
  50%{ transform: translateY(-12px) }
  100%{ transform: translateY(0px) }
}

@media (max-width: 900px){
  .introText{ column-count: 1; height: calc(100% - 140px); }
}
@media (max-width: 560px){
  .brandTag{display:none}
  .card{padding: 18px 16px 18px; height: min(78vh, 760px)}
  .ctaRow{left:16px; right:16px}
}