:root {
  --rose: #e11d48;
  --rose-soft: #fff1f2;
  --ink: #1c1917;
  --font: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 2rem;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 20%, #ffe4e6 0%, transparent 45%),
    radial-gradient(circle at 80% 0%, #fecdd3 0%, transparent 40%),
    linear-gradient(160deg, #fff7ed 0%, #fff1f2 45%, #ffffff 100%);
}

main {
  width: min(32rem, 100%);
  padding: 2.5rem 2rem;
  text-align: center;
  border: 1px solid rgba(225, 29, 72, 0.15);
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.82);
  box-shadow:
    0 1px 2px rgba(28, 25, 23, 0.04),
    0 24px 48px rgba(225, 29, 72, 0.08);
}

.heart {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 1rem;
  animation: pulse 2.4s ease-in-out infinite;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--rose);
}

.signature {
  margin: 0;
  font-size: 1.125rem;
  font-style: italic;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
}