/* ---- Convertify: stabiles Liquid-Glass ---- */
:root{
  --bg1: #e9eef5;
  --bg2: #f6f9fc;
  --text: #0f172a;
  --muted: #475569;
  --brand: #0ea5e9;
  --glass-bg: rgba(255,255,255,0.42);
  --glass-brd: rgba(255,255,255,0.55);
  --glass-blur: 14px;
  --shadow: 0 8px 28px rgba(15, 23, 42, 0.15);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; padding: 24px;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(900px 600px at 10% 10%, rgba(14,165,233,.10), transparent 60%),
    radial-gradient(800px 500px at 90% 90%, rgba(99,102,241,.08), transparent 60%),
    linear-gradient(135deg, var(--bg1), var(--bg2));
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
}
.container { width: 100%; max-width: 480px; }
.glass-container {
  width: 100%; padding: 28px 22px; border-radius: 18px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd);
  backdrop-filter: blur(var(--glass-blur)) saturate(120%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(120%);
  box-shadow: var(--shadow);
  text-align: center;
}
.glass-container h1 { margin: 0 0 8px 0; font-size: 24px; }
.lead { margin: 0 0 18px 0; color: var(--muted); font-size: 14px; }
form { margin-top: 6px; }
input, textarea {
  width: 100%; padding: 12px 14px; margin: 0 0 14px 0;
  border: 1px solid var(--glass-brd);
  border-radius: 12px;
  background: rgba(255,255,255,0.65);
  color: var(--text);
  outline: none;
}
textarea { min-height: 120px; resize: vertical; }
button {
  width: 100%; padding: 12px 16px; border: none; border-radius: 12px;
  background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.65));
  color: var(--text); font-weight: 600; cursor: pointer;
}
/* Danke */
.success { text-align: center; }
.success .icon {
  width: 72px; height: 72px; margin: 0 auto 12px auto;
  border-radius: 16px; display: grid; place-items: center;
  background: rgba(22,163,74,.14);
  border: 1px solid rgba(22,163,74,.25);
}
.success .icon svg { width: 32px; height: 32px; }
a.btn-link {
  display: inline-block; margin-top: 12px; padding: 10px 14px;
  border-radius: 10px; border: 1px solid var(--glass-brd);
  text-decoration: none; color: var(--text);
  background: rgba(255,255,255,.6);
}