:root {
  --ground: #0F211C;
  --ground-raised: #16302A;
  --paper: #F4EFE6;
  --gold: #C8AD7F;
  --text: #F4EFE6;
  --muted: #93A09A;
  --line: rgb(244 239 230 / 0.2);
  --serif: "Cormorant Garamond", "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: "Inter", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --radius: 2px;
  --print-border: 5px;
  --float-size: 2rem;
  --float-rise: 11rem;
}

* {
  box-sizing: border-box;
}

html {
  background-color: var(--ground);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
}

body {
  margin: 0;
}

[hidden] {
  display: none !important;
}

.display {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.monogram {
  display: grid;
  justify-items: center;
  gap: 0.35em;
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  text-align: center;
}

.mono-names {
  font-size: 1.4em;
  letter-spacing: 0.22em;
}

.mono-date {
  font-family: var(--sans);
  font-size: 0.6em;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--muted);
}

.print {
  position: relative;
  margin: 0;
  padding: var(--print-border);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 14px 34px rgb(0 0 0 / 0.26);
}

.print img {
  display: block;
  width: 100%;
  height: auto;
}

.floats {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.float {
  position: absolute;
  bottom: 6%;
  font-size: var(--float-size);
  line-height: 1;
  animation: float-up 2.6s ease-out forwards;
}

@keyframes float-up {
  0% { opacity: 0; transform: translateY(0); }
  18% { opacity: 1; }
  100% { opacity: 0; transform: translateY(calc(var(--float-rise) * -1)); }
}

@keyframes float-fade {
  0%, 100% { opacity: 0; }
  20%, 70% { opacity: 1; }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .float {
    animation-name: float-fade;
  }
}