@font-face {
  font-family: "Indie Flower";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/indie-flower-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Indie Flower";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/indie-flower-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  color-scheme: dark;
  --bg: #000000;
  --art-ratio: 0.7053;
  --phrase-color: #ff3d63;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  background: var(--bg);
  display: grid;
  place-items: center;
  touch-action: manipulation;
}

.stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(0.5rem, 2.2vh, 1.6rem);
  width: 100%;
}

.stage {
  width: min(94vw, calc((90vh - 5.5rem) * var(--art-ratio)));
  width: min(94vw, calc((90dvh - 5.5rem) * var(--art-ratio)));
  aspect-ratio: 40.2 / 57;
  display: grid;
  place-items: center;
  will-change: opacity;
}

.phrase {
  margin: 0;
  padding: 0 4vw;
  max-width: 96vw;
  font-family: "Indie Flower", "Segoe Script", "Brush Script MT", cursive;
  font-size: clamp(1.75rem, 7.5vw, 3rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: 0.01em;
  text-align: center;
  color: var(--phrase-color);
  text-shadow: 0 0 0.55em color-mix(in srgb, var(--phrase-color) 45%, transparent);
  opacity: 1;
  transform: translateY(0);
  transition: opacity 380ms ease, transform 380ms ease, color 600ms ease;
  will-change: opacity, transform;
}

.phrase.is-changing {
  opacity: 0;
  transform: translateY(0.25em);
}

#bouquet {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Mono", "Roboto Mono",
    "DejaVu Sans Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 1px;
  font-weight: 700;
  font-variant-ligatures: none;
  font-kerning: none;
  text-rendering: geometricPrecision;
}

.ch {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  text-anchor: middle;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}

/* ---------- stems & leaves ---------- */

.stem-char {
  animation: stem-grow 340ms cubic-bezier(0.2, 0.75, 0.3, 1) both;
}

.leaf-char {
  animation: leaf-open 420ms cubic-bezier(0.18, 0.9, 0.24, 1.2) both;
}

@keyframes stem-grow {
  0% {
    opacity: 0;
    transform: translateY(0.9px) scale(0.7);
    filter: brightness(2.6);
  }
  60% {
    opacity: 1;
    filter: brightness(1.8);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: brightness(1);
  }
}

@keyframes leaf-open {
  0% {
    opacity: 0;
    transform: scale(0.15) rotate(-24deg);
    filter: brightness(2.4);
  }
  70% {
    opacity: 1;
    transform: scale(1.12) rotate(3deg);
    filter: brightness(1.3);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
    filter: brightness(1);
  }
}

/* ---------- flower heads ---------- */

.flower {
  transform-box: view-box;
  transform-origin: var(--ox) var(--oy);
  animation: sway var(--sway-dur, 7s) ease-in-out infinite;
  animation-delay: var(--sway-delay, 3s);
}

.bloom {
  transform-box: view-box;
  transform-origin: var(--bx) var(--by);
  opacity: 0;
  animation: bloom-open 760ms cubic-bezier(0.17, 0.89, 0.28, 1.22)
    var(--bloom-delay, 1s) both;
}

.petal-char {
  animation: petal-open 560ms cubic-bezier(0.16, 0.9, 0.24, 1.08)
    var(--petal-delay, 1s) both;
}

@keyframes bloom-open {
  0% {
    opacity: 0;
    transform: scale(0.08) rotate(-7deg);
  }
  55% {
    opacity: 1;
    transform: scale(1.12) rotate(2.4deg);
  }
  78% {
    transform: scale(0.97) rotate(-0.8deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

@keyframes petal-open {
  0% {
    opacity: 0;
    transform: translate(calc(var(--tx, 0) * 1px), calc(var(--ty, 0) * 1px))
      scale(0.5) rotate(-14deg);
  }
  70% {
    opacity: 1;
    transform: translate(0, 0) scale(1.06) rotate(1deg);
  }
  100% {
    opacity: 1;
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
}

@keyframes sway {
  0%,
  100% {
    transform: rotate(calc(var(--sway) * -1deg));
  }
  50% {
    transform: rotate(calc(var(--sway) * 1deg));
  }
}

/* ---------- ribbon ---------- */

.ribbon-char {
  animation: ribbon-in 600ms ease-out both;
}

.ribbon-tail {
  animation: tail-in 520ms ease-out both;
}

@keyframes tail-in {
  0% {
    opacity: 0;
    transform: translateY(-0.6px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ribbon-in {
  0% {
    opacity: 0;
    transform: translateY(-0.5px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.glow {
  opacity: 0;
  animation: glow-in 1000ms ease-out both;
}

@keyframes glow-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: var(--glow-opacity, 0.16);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ch,
  .bloom,
  .glow {
    animation-duration: 1ms !important;
    animation-delay: 0ms !important;
  }
  .flower {
    animation: none !important;
  }
  .phrase {
    transition: none;
  }
}