.testimonial-card {
  border-radius: 18px;
  overflow: hidden;
}

.card-cut {
  width: 36px;
  height: 36px;
  background: #f4f4f4;
  border-top-left-radius: 18px;
}

.card-cut {
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.card-notch-br {
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - 28px),
    calc(100% - 28px) 100%,
    0 100%
  );
}

@keyframes floatUp {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

.back-to-top-arrow {
  animation: floatUp 1.0s ease-in-out infinite;
}