:root {
  color-scheme: light;
  font-family: Georgia, "Palatino Linotype", Palatino, "Times New Roman", serif;
  color: #793544;
  background: #fce7ec;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.25rem, 5vw, 4rem);
  background:
    radial-gradient(ellipse at 15% 15%, #fff8f4 0%, transparent 60%),
    linear-gradient(135deg, #fff0f2 0%, #f8dce4 55%, #efd0d9 100%);
}

.card {
  width: min(100%, 52rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(2rem, 5vw, 3rem);
  padding: clamp(2.25rem, 7vw, 5rem) clamp(1.25rem, 5vw, 4rem);
  text-align: center;
  background: rgb(255 250 248 / 70%);
  border: 1px solid rgb(255 255 255 / 85%);
  border-radius: 2rem;
  box-shadow: 0 1.5rem 4rem rgb(121 53 68 / 10%);
}

.message {
  max-width: 24ch;
  margin: 0;
  font-size: clamp(1.65rem, 4.5vw, 3.1rem);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -0.02em;
  text-wrap: balance;
  overflow-wrap: break-word;
}

.heart {
  position: relative;
  flex: none;
  width: clamp(2.5rem, 7vw, 3.75rem);
  height: clamp(2.5rem, 7vw, 3.75rem);
  margin-top: 1.25rem;
  background: #cf627b;
  transform: rotate(-45deg);
  animation: heartbeat 2.4s ease-in-out infinite;
}

.heart::before,
.heart::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: inherit;
}

.heart::before {
  top: -50%;
  left: 0;
}

.heart::after {
  top: 0;
  left: 50%;
}

@keyframes heartbeat {
  0%, 40%, 100% { transform: rotate(-45deg) scale(1); }
  15% { transform: rotate(-45deg) scale(1.1); }
  25% { transform: rotate(-45deg) scale(1.03); }
  32% { transform: rotate(-45deg) scale(1.07); }
}

@media (max-width: 480px) {
  .card {
    border-radius: 1.5rem;
    gap: 2rem;
  }

  .message {
    line-height: 1.5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .heart {
    animation: none;
  }
}