/* Reset & Basics */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

/* Vollbild mit Tresor-Hintergrund */
body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: #fff;
  background:
    #000
    url("assets/safe-cool.png") center center / cover no-repeat fixed;
  position: relative;
}

/* Dunkler Overlay, damit der Text schön knallt */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.08), transparent 50%),
              rgba(0,0,0,0.65);
  z-index: 0;
}

/* Glas-Karte in der Mitte */
.card {
  position: relative;
  z-index: 1;
  width: 90%;
  max-width: 900px;
  padding: 40px 32px 32px;
  border-radius: 28px;
  background: rgba(0, 0, 0, 0.70);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.8);
  text-align: center;
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

/* Überschrift & Tagline */
.card-header {
  margin-bottom: 18px;
}

.tagline {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 6px;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 3vw, 2.8rem);
  font-weight: 700;
}

/* Kurztext unter der Überschrift (kannst du abends ersetzen) */
.lead {
  margin: 10px auto 0;
  max-width: 640px;
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.85;
}

/* Zurück-Button */
.back-link {
  display: inline-block;
  margin-top: 32px;
  padding: 11px 26px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.85rem;
  background: transparent;
  transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.back-link:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.6);
}
/* Typo-Feinschliff für Kartell-Content */
.subline{
  margin: 0 0 10px;
  opacity: .9;
}

.key{
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.7;
  margin: 14px 0 18px;
  color: #00ffe0;
  text-shadow: 0 0 14px rgba(0,255,224,.25);
}

.sep{
  border: 0;
  height: 1px;
  margin: 26px auto;
  max-width: 520px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent);
  opacity: .8;
}

h2{
  margin: 0 0 10px;
  font-size: 1.05rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  opacity: .9;
}

.small{
  opacity: .8;
  font-size: .98rem;
}

.list{
  list-style: none;
  padding: 0;
  margin: 12px auto 0;
  max-width: 680px;
  text-align: left;
}

.list li{
  padding: 10px 12px;
  margin: 8px 0;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px;
  background: rgba(255,255,255,.06);
}

.btn-main{
  display: inline-block;
  margin-top: 18px;
  padding: 13px 26px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .85rem;
  color: #0b0b0b;
  background: #00ffe0;
  box-shadow: 0 16px 34px rgba(0,255,224,.18);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.btn-main:hover{
  transform: translateY(-1px);
  background: #00c8a4;
  box-shadow: 0 22px 46px rgba(0,255,224,.22);
}

.formhint{
  margin-top: 14px;
  font-size: .9rem;
  opacity: .75;
}