.thank-you-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #1a5f2a 0%, #2e7d32 45%, #43a047 100%);
  overflow: hidden;
  animation: thankFadeIn 0.45s ease-out;
}
.thank-you-overlay.thank-you-fadeout {
  animation: thankFadeOut 0.45s ease-in forwards;
}
.thank-you-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 24px;
  color: #fff;
}
.thank-check-ring {
  width: 96px;
  height: 96px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: thankPop 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) 0.15s both;
  box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.12);
}
.thank-check {
  font-size: 52px;
  font-weight: 800;
  line-height: 1;
  animation: thankCheckBounce 0.5s ease 0.5s both;
}
.thank-title {
  font-size: clamp(36px, 10vw, 52px);
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
  animation: thankSlideUp 0.55s ease 0.35s both;
}
.thank-sub {
  font-size: clamp(17px, 4.5vw, 22px);
  font-weight: 600;
  opacity: 0.95;
  margin-bottom: 8px;
  animation: thankSlideUp 0.55s ease 0.5s both;
}
.thank-club {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.8;
  animation: thankSlideUp 0.55s ease 0.65s both;
}
.thank-confetti {
  position: absolute;
  top: -12px;
  width: 10px;
  height: 14px;
  border-radius: 2px;
  opacity: 0.9;
  animation: thankConfettiFall linear forwards;
  pointer-events: none;
}
.thank-sparkle {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  opacity: 0;
  animation: thankSparkle 1.2s ease-in-out infinite;
  pointer-events: none;
}
@keyframes thankFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes thankFadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}
@keyframes thankPop {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
@keyframes thankCheckBounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}
@keyframes thankSlideUp {
  from { transform: translateY(24px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
@keyframes thankConfettiFall {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(110vh) rotate(720deg); opacity: 0.6; }
}
@keyframes thankSparkle {
  0%, 100% { opacity: 0; transform: scale(0.5); }
  50% { opacity: 1; transform: scale(1.2); }
}