* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  font-family: Arial, sans-serif;
  background:
    radial-gradient(circle at top left, #2b2b2b 0%, transparent 40%),
    radial-gradient(circle at bottom right, #111111 0%, transparent 40%),
    linear-gradient(135deg, #0f0f0f, #1a1a1a);
  color: white;
  position: relative;
}

/* Červené světlo v pozadí */
.background-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: rgba(255, 0, 0, 0.15);
  filter: blur(120px);
  border-radius: 50%;
  animation: pulse 6s infinite ease-in-out;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }

  50% {
    transform: scale(1.15);
    opacity: 0.8;
  }

  100% {
    transform: scale(1);
    opacity: 0.5;
  }
}

/* Hlavní karta */
.card {
  position: relative;
  z-index: 2;

  width: 90%;
  max-width: 700px;

  padding: 60px 40px;

  text-align: center;

  border-radius: 28px;

  background: rgba(255, 255, 255, 0.05);

  backdrop-filter: blur(20px);

  border: 1px solid rgba(255,255,255,0.08);

  box-shadow:
    0 10px 40px rgba(0,0,0,0.6),
    inset 0 0 1px rgba(255,255,255,0.3);
}

/* Ikona */
.icon-wrapper {
  width: 120px;
  height: 120px;

  margin: 0 auto 30px;

  border-radius: 50%;

  display: flex;
  justify-content: center;
  align-items: center;

  background: linear-gradient(135deg, #ff3b3b, #c30000);

  box-shadow:
    0 0 30px rgba(255,0,0,0.45),
    0 0 80px rgba(255,0,0,0.25);
}

.icon {
  font-size: 58px;
  color: white;
  font-weight: bold;
}

/* Nadpis */
h1 {
  font-size: 48px;
  margin-bottom: 20px;
  font-weight: 700;
}

/* Text */
p {
  font-size: 20px;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);

  max-width: 520px;
  margin: auto;
}

/* Status */
.status {
  display: inline-block;

  margin-top: 35px;

  padding: 12px 24px;

  border-radius: 999px;

  background: rgba(255,0,0,0.12);

  border: 1px solid rgba(255,0,0,0.35);

  color: #ff6b6b;

  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* Mobil */
@media (max-width: 600px) {

  .card {
    padding: 40px 25px;
  }

  h1 {
    font-size: 34px;
  }

  p {
    font-size: 17px;
  }

  .icon-wrapper {
    width: 100px;
    height: 100px;
  }

  .icon {
    font-size: 48px;
  }

}