/* ============================================================
   Digital Flowers — keepsake styles
   Animate transform + opacity ONLY (60fps everywhere).
   3D scene = perspective + depth layers + parallax tilt.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Jost:wght@300;400;500&display=swap');

:root {
  --bg-0: #3a2438;
  --bg-1: #160f1c;
  --bg-2: #0c0810;
  --glow: #ecc05a;
  --text: #fdeef2;
  --muted: rgba(253, 238, 242, 0.64);
  --hint: rgba(253, 238, 242, 0.32);
  --vig: 0.46;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Jost', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg-2);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none; user-select: none;
  touch-action: none;
}
#root { height: 100%; }

/* ---------- Stage (perspective root) ---------- */
.stage {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: radial-gradient(120% 92% at 50% 116%, var(--bg-0) 0%, var(--bg-1) 46%, var(--bg-2) 100%);
  cursor: pointer;
  perspective: 1300px;
  perspective-origin: 50% 42%;
}
.stage.bloomed { cursor: default; }

/* 3D scene that tilts with pointer / device orientation */
.scene {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transform: rotateX(var(--tiltX, 0deg)) rotateY(var(--tiltY, 0deg));
  will-change: transform;
}
.layer {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.layer-glow   { transform: translateZ(-260px) scale(1.28); }
.layer-bouquet { transform: translateZ(0); }
.layer-front  { transform: translateZ(150px); pointer-events: none; }

/* warm ground glow that swells with bloom */
.ground-glow {
  position: absolute;
  left: 50%; bottom: -14%;
  width: 120vmin; height: 92vmin;
  transform: translateX(-50%) scale(var(--glow-s, 0.6));
  transform-origin: 50% 100%;
  background: radial-gradient(50% 50% at 50% 50%, var(--glow) 0%, transparent 62%);
  opacity: calc(0.10 + var(--glow-o, 0) * 0.5);
  filter: blur(6px);
  pointer-events: none;
  will-change: transform, opacity;
}

.vignette {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(140% 120% at 50% 40%, transparent 50%, rgba(0,0,0,var(--vig, 0.46)) 100%);
}

/* ---------- Bouquet ---------- */
.scene-shift {
  width: min(96vw, 580px);
  height: 82vh;
  max-height: 840px;
  margin-bottom: clamp(18px, 4.5vh, 48px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  transform: scale(var(--settle-s, 1));
  transform-origin: 50% 100%;
  transition: transform 1.6s cubic-bezier(.22,.7,.2,1);
}
.bouquet-svg {
  width: 100%; height: 100%;
  overflow: visible; display: block;
  pointer-events: none;
}

.tulip-grow {
  transform-box: fill-box; transform-origin: 50% 100%;
  transform: scaleY(var(--grow, 0)) scaleX(calc(0.6 + var(--grow,0) * 0.4));
  opacity: var(--vis, 0);
}
.tulip-sway {
  transform-box: fill-box; transform-origin: 50% 100%;
  animation: sway var(--sway-dur, 5s) ease-in-out infinite alternate;
  animation-delay: var(--sway-delay, 0s);
}
@keyframes sway {
  from { transform: rotate(calc(var(--sway-amp, 1.4deg) * -1)); }
  to   { transform: rotate(var(--sway-amp, 1.4deg)); }
}
.petal {
  transform-box: fill-box; transform-origin: 50% 100%;
  transform:
    translate(calc(var(--sx, 0px) * var(--scatter, 0) * (1 - var(--open, 0))),
              calc(var(--sy, 0px) * var(--scatter, 0) * (1 - var(--open, 0))))
    rotate(calc(var(--a0) + var(--open, 0) * var(--da)));
}

/* wrap (tissue + bow) scales in early, then holds */
.wrap-grow {
  transform-box: fill-box; transform-origin: 50% 100%;
  transform: translateY(calc((1 - var(--wrap,0)) * 26px)) scale(calc(0.72 + var(--wrap,0) * 0.28));
  opacity: var(--wrap, 0);
}

/* ---------- Intro / prompt ---------- */
.intro {
  position: absolute; inset: 0; z-index: 5;
  display: flex; flex-direction: column; align-items: center; justify-content: space-between;
  padding: clamp(40px, 9vh, 92px) 24px clamp(54px, 12vh, 120px);
  text-align: center; pointer-events: none;
  transition: opacity 0.9s ease, transform 1.1s ease;
}
.intro.gone { opacity: 0; transform: translateY(-12px); }
.intro-eyebrow {
  font-family: var(--sans); font-weight: 400;
  font-size: clamp(11px, 3vw, 14px); letter-spacing: 0.42em;
  text-transform: uppercase; color: var(--muted); padding-left: 0.42em;
}
.intro-to {
  font-family: var(--serif); font-style: italic; font-weight: 500;
  font-size: clamp(34px, 11vw, 64px); line-height: 1.04; color: var(--text);
  margin-top: 0.32em; text-shadow: 0 2px 30px rgba(0,0,0,0.4);
}
.prompt { display: flex; flex-direction: column; align-items: center; gap: 16px;
  animation: floatHint 3.4s ease-in-out infinite; }
@keyframes floatHint { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.hold-ring {
  width: 64px; height: 64px; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.28);
  display: grid; place-items: center; position: relative;
}
.hold-ring::before {
  content: ''; position: absolute; inset: -7px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.14);
  animation: pulseRing 2.6s ease-out infinite;
}
@keyframes pulseRing { 0% { transform: scale(0.86); opacity: 0.7; } 100% { transform: scale(1.5); opacity: 0; } }
.hold-dot { width: 13px; height: 13px; border-radius: 50%; background: var(--glow);
  box-shadow: 0 0 18px 2px var(--glow); }
.prompt-text {
  font-family: var(--sans); font-weight: 300; font-size: clamp(13px, 3.6vw, 16px);
  letter-spacing: 0.16em; color: var(--muted); text-transform: uppercase;
}
.hold-progress { position: absolute; inset: -1.5px; transform: rotate(-90deg); }
.hold-progress circle {
  fill: none; stroke: var(--glow); stroke-width: 2; stroke-linecap: round;
  filter: drop-shadow(0 0 5px var(--glow));
}

/* ---------- Love note: clear-sky band at top, with legibility scrim ---------- */
.message {
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 46%;
  z-index: 6;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: clamp(30px, 6vh, 64px) 30px 18px;
  text-align: center; pointer-events: none;
  opacity: 0;
  transition: opacity 1.1s ease;
}
.message::before {
  content: '';
  position: absolute; inset: -6% -20% -30% -20%;
  background: radial-gradient(64% 80% at 50% 38%, rgba(12,8,16,0.82) 0%, rgba(12,8,16,0.5) 46%, rgba(12,8,16,0) 78%);
  z-index: -1;
}
.message.show { opacity: 1; }
.message-body {
  font-family: var(--serif); font-weight: 400; font-style: italic;
  font-size: clamp(21px, 5.8vw, 31px); line-height: 1.4; color: var(--text);
  max-width: 17em; text-wrap: pretty; text-shadow: 0 2px 22px rgba(0,0,0,0.7);
}
.message-line {
  display: block; opacity: 0; transform: translateY(14px);
  transition: opacity 1s ease, transform 1s cubic-bezier(.2,.7,.2,1);
}
.message.show .message-line { opacity: 1; transform: translateY(0); }
.note-rule {
  width: 0; height: 1px; margin: clamp(14px,3vh,24px) auto 0;
  background: linear-gradient(90deg, transparent, var(--glow), transparent);
  opacity: 0; transition: width 1.2s ease, opacity 1.2s ease;
}
.message.show .note-rule { width: 120px; opacity: 0.7; }
.signoff {
  margin-top: clamp(12px, 2.4vh, 20px);
  font-family: var(--serif); font-weight: 500; font-size: clamp(16px, 4.4vw, 23px);
  letter-spacing: 0.02em; color: var(--glow);
  opacity: 0; transform: translateY(14px);
  transition: opacity 1s ease, transform 1s ease;
}
.signoff .sign-pre {
  display: block; font-style: italic; font-weight: 400; font-size: 0.74em;
  color: var(--muted); letter-spacing: 0.04em; margin-bottom: 0.12em;
}
.message.show .signoff { opacity: 1; transform: translateY(0); }

/* ---------- Footer / keepsake ---------- */
.footer {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 7;
  display: flex; align-items: center; justify-content: center; gap: 22px;
  padding: 20px; opacity: 0;
  transition: opacity 1s ease 0.6s; pointer-events: none;
}
.footer.show { opacity: 1; pointer-events: auto; }
.footer button {
  background: none; border: none; font-family: var(--sans); font-weight: 400;
  font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted);
  cursor: pointer; display: inline-flex; align-items: center; gap: 8px; padding: 8px 4px;
  transition: color 0.3s ease;
}
.footer button:hover { color: var(--text); }
.footer .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--hint); }

/* ---------- Particles ---------- */
.particles { position: absolute; inset: 0; z-index: 3; pointer-events: none; overflow: hidden; }
.spark {
  position: absolute; border-radius: 50%; background: var(--glow); opacity: 0;
  will-change: transform, opacity;
  animation: rise var(--dur, 9s) linear infinite; animation-delay: var(--delay, 0s);
}
@keyframes rise {
  0% { transform: translate3d(0, 12vh, 0) scale(0.5); opacity: 0; }
  12% { opacity: var(--max-o, 0.7); } 88% { opacity: var(--max-o, 0.7); }
  100% { transform: translate3d(var(--drift, 10px), -88vh, 0) scale(1); opacity: 0; }
}
.petal-fall {
  position: absolute; top: -8%;
  width: var(--pw, 16px); height: var(--ph, 22px);
  border-radius: 60% 60% 64% 64% / 78% 78% 42% 42%;
  opacity: 0; will-change: transform, opacity;
  animation: fall var(--dur, 11s) linear infinite; animation-delay: var(--delay, 0s);
}
@keyframes fall {
  0% { transform: translate3d(0, -10vh, 0) rotate(0deg); opacity: 0; }
  10% { opacity: 0.9; } 90% { opacity: 0.85; }
  100% { transform: translate3d(var(--drift, 30px), 116vh, 0) rotate(var(--spin, 320deg)); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .prompt { animation: none; }
  .hold-ring::before { animation: none; }
}