*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  font-family: Nunito, system-ui, sans-serif;
  color: #f4f7ff;
  background: #14182c;
  overflow: hidden;
}

.bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 520px at 8% -10%, rgba(88, 140, 255, 0.55), transparent 58%),
    radial-gradient(720px 480px at 100% 8%, rgba(255, 122, 89, 0.42), transparent 52%),
    radial-gradient(700px 520px at 70% 110%, rgba(74, 226, 168, 0.28), transparent 55%),
    linear-gradient(165deg, #1a2140 0%, #12162a 48%, #241428 100%);
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(42px);
  animation: drift 14s ease-in-out infinite;
}

.blob-a {
  width: 280px;
  height: 280px;
  left: -70px;
  top: 18%;
  background: rgba(94, 156, 255, 0.55);
}

.blob-b {
  width: 340px;
  height: 340px;
  right: -90px;
  top: -40px;
  background: rgba(255, 138, 96, 0.38);
  animation-delay: -4s;
}

.blob-c {
  width: 260px;
  height: 260px;
  right: 18%;
  bottom: -80px;
  background: rgba(90, 230, 180, 0.32);
  animation-delay: -8s;
}

@keyframes drift {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(18px, -22px) scale(1.08);
  }
}

.card {
  position: relative;
  z-index: 1;
  width: min(540px, 100%);
  text-align: center;
  padding: 42px 28px 36px;
  border-radius: 32px;
  background: rgba(18, 22, 42, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow:
    0 30px 80px rgba(8, 10, 24, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
}

.kicker {
  margin: 0 0 12px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9db4ff;
}

h1 {
  margin: 0;
  font-size: clamp(1.85rem, 5vw, 2.45rem);
  line-height: 1.2;
  font-weight: 800;
  color: #fff;
}

.hint {
  margin: 14px 0 28px;
  color: #c5cbe0;
  font-size: 1.02rem;
}

.row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

button {
  min-width: 154px;
  padding: 14px 28px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

#btnYes {
  color: #102038;
  background: linear-gradient(180deg, #f7fbff 0%, #d5e4ff 100%);
  box-shadow: 0 10px 24px rgba(140, 176, 255, 0.28);
}

#btnNo {
  color: #06241a;
  background: linear-gradient(180deg, #b8ffd9 0%, #4ae2a8 100%);
  box-shadow: 0 10px 24px rgba(74, 226, 168, 0.28);
}

button:hover,
button:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.05);
  outline: none;
}

button:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

@media (max-width: 520px) {
  .card {
    padding: 32px 18px 28px;
  }

  button {
    min-width: 132px;
  }
}