:root {
  color-scheme: dark;
  --ink: #171716;
  --paper: #f3f1eb;
}

* { box-sizing: border-box; }

html { background: var(--ink); }

body {
  overflow: hidden;
  min-width: 320px;
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  text-rendering: optimizeLegibility;
}

.page {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100dvh;
  overflow: hidden;
  padding:
    max(2rem, env(safe-area-inset-top))
    max(2rem, env(safe-area-inset-right))
    max(2rem, env(safe-area-inset-bottom))
    max(2rem, env(safe-area-inset-left));
}

.light {
  position: fixed;
  top: 0;
  left: 0;
  width: 32.5rem;
  height: 32.5rem;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgb(243 241 235 / 0.075) 0%,
    rgb(243 241 235 / 0.025) 35%,
    transparent 70%
  );
  opacity: 0;
  pointer-events: none;
  transition: opacity 600ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.scene {
  position: relative;
  transform-style: preserve-3d;
  will-change: transform;
}

.hello {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin: 0;
  font-size: clamp(7rem, 24vw, 22rem);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.86;
  text-align: center;
  transform-origin: center;
  animation: word-arrival 1.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.glyph {
  display: inline-block;
  overflow: visible;
  transform-style: preserve-3d;
  will-change: transform;
}

.letter {
  display: inline-block;
  transform-origin: 50% 100%;
  animation: letter-arrival 1.15s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(110ms + var(--i) * 65ms);
  will-change: transform, opacity;
}

@keyframes word-arrival {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes letter-arrival {
  from {
    opacity: 0;
    transform: translate3d(0, 118%, 0) rotate(9deg);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) rotate(0);
  }
}

@media (max-width: 42rem) {
  .page {
    padding:
      max(1.5rem, env(safe-area-inset-top))
      max(1.5rem, env(safe-area-inset-right))
      max(1.5rem, env(safe-area-inset-bottom))
      max(1.5rem, env(safe-area-inset-left));
  }

  .light {
    display: none;
  }
}

@media (pointer: coarse) {
  .light {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scene,
  .glyph,
  .letter,
  .hello {
    animation: none;
    transform: none;
  }

  .light {
    display: none;
  }
}