:root {
  --bg-deep: #1a0b12;
  --bg-mid: #2a0f1c;
  --bg-soft: #3a1424;
  --rose: #f7c9d3;
  --rose-deep: #d16b86;
  --gold: #e8c37a;
  --parchment: #f6ecd8;
  --ink: #3b1e1a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 800px at 20% 10%, #4a1a2e 0%, transparent 60%),
    radial-gradient(900px 700px at 85% 90%, #3a0f24 0%, transparent 60%),
    linear-gradient(160deg, var(--bg-deep), var(--bg-mid) 55%, #180810 100%);
  color: var(--parchment);
  font-family: "Cormorant Garamond", Georgia, serif;
  overflow-x: hidden;
}

.anniv-root {
  position: relative;
  min-height: 100vh;
  width: 100%;
  overflow: hidden;
}

/* ============ Petals ============ */
.petals {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 30;
}

.petal {
  position: absolute;
  top: -12vh;
  will-change: transform, opacity;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.35));
  animation-name: petal-fall;
  animation-timing-function: cubic-bezier(0.42, 0, 0.58, 1);
  animation-fill-mode: forwards;
  animation-iteration-count: 1;
  opacity: 0;
}

@keyframes petal-fall {
  0% {
    transform: translate3d(0, -20vh, 0) rotate(var(--rot, 0deg));
    opacity: 0;
  }

  10% {
    opacity: 1;
  }

  100% {
    transform:
      translate3d(var(--drift, 0px), 110vh, 0) rotate(calc(var(--rot, 0deg) + var(--spin, 360deg)));
    opacity: 1;
  }
}

.petal.petal--aside {
  animation: none !important;
  transition:
    transform 2.2s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 1.8s ease-out;
  opacity: 0.25;
}

/* ============ Stages ============ */
.stage {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 1.2s ease, transform 1.2s ease;
  transform: translateY(24px);
  padding: 6vh 6vw;
}

.stage.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ Photo feed ============ */
.stage--photos {
  z-index: 5;
}

.stage--photos.is-shrunk {
  transform: translateY(-4vh) scale(0.9);
  opacity: 0.35;
  filter: blur(2px);
}

.photo-window {
  position: relative;
  width: min(880px, 92vw);
  padding: 26px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(232, 195, 122, 0.25);
  box-shadow:
    0 30px 80px -20px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  overflow: hidden;
}

.photo-window::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 22px;
  background: radial-gradient(600px 200px at 50% -10%, rgba(232, 195, 122, 0.18), transparent 60%);
  pointer-events: none;
}

.photo-track {
  display: flex;
  gap: 20px;
  animation: photo-scroll 24s linear infinite;
  width: max-content;
}

@keyframes photo-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.photo-card {
  flex: 0 0 auto;
  width: 320px;
  height: 420px;
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 40px -18px rgba(0, 0, 0, 0.7);
  transform: translateZ(0);
  transition: transform 0.6s ease;
}

.photo-card:hover {
  transform: translateY(-4px) scale(1.01);
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.photo-caption {
  margin-top: 22px;
  text-align: center;
  font-family: "Dancing Script", cursive;
  font-size: 1.6rem;
  color: var(--rose);
  letter-spacing: 0.5px;
}

/* ============ Letter ============ */
.stage--letter {
  position: relative;
  z-index: 6;
}

.stage--letter.is-shrunk {
  transform: translateY(-4vh) scale(0.95);
  opacity: 0.2;
  filter: blur(1px);
}

.letter {
  width: min(720px, 92vw);
  padding: 56px 56px 48px;
  background:
    linear-gradient(180deg, #fbf3df 0%, #f2e3c1 100%);
  color: var(--ink);
  border-radius: 6px;
  position: relative;
  box-shadow:
    0 40px 90px -30px rgba(0, 0, 0, 0.7),
    0 2px 0 rgba(0, 0, 0, 0.06);
  transform-origin: center;
}

.letter::before,
.letter::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 22px;
  background:
    radial-gradient(circle at 10px 0, transparent 10px, #f2e3c1 11px) repeat-x;
  background-size: 22px 22px;
}

.letter::before {
  top: -1px;
  transform: rotate(180deg);
}

.letter::after {
  bottom: -1px;
}

.letter-title {
  font-family: "Dancing Script", cursive;
  font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  color: #7a1f36;
  text-align: center;
  margin: 0 0 10px;
  letter-spacing: 0.5px;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

.letter-rule {
  width: 120px;
  height: 2px;
  margin: 10px auto 26px;
  background: linear-gradient(90deg, transparent, #b58a3c, transparent);
  border-radius: 2px;
}

.letter-body {
  font-family: "Special Elite", "Courier New", monospace;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--ink);
  white-space: pre-wrap;
  margin: 0;
  min-height: 320px;
}

.caret {
  display: inline-block;
  width: 8px;
  height: 1.1em;
  vertical-align: -2px;
  background: var(--ink);
  margin-left: 2px;
  animation: caret-blink 0.9s steps(2, start) infinite;
}

@keyframes caret-blink {
  to {
    visibility: hidden;
  }
}

/* ============ Memories ============ */
.stage--memories {
  position: relative;
  z-index: 6;
  align-items: flex-start;
}

.stage--memories.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.memories-shell {
  width: min(980px, 92vw);
}

.memories-track {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.memory-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 28px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(251, 243, 223, 0.95), rgba(242, 227, 193, 0.95));
  border: 1px solid rgba(181, 138, 60, 0.24);
  box-shadow: 0 18px 48px -28px rgba(0, 0, 0, 0.7);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.memory-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.memory-card[data-side="right"] .memory-photo-wrap {
  order: 2;
}

.memory-card[data-side="right"] .memory-copy {
  order: 1;
}

.memory-photo-wrap {
  overflow: hidden;
  border-radius: 16px;
  min-height: 320px;
  background: linear-gradient(135deg, rgba(122, 31, 54, 0.12), rgba(232, 195, 122, 0.18));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.memory-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.memory-copy {
  color: var(--ink);
}

.memory-label {
  font-family: "Dancing Script", cursive;
  font-size: 1.3rem;
  color: #7a1f36;
  margin: 0 0 12px;
}

.memory-typewriter {
  font-family: "Special Elite", "Courier New", monospace;
  font-size: 1rem;
  line-height: 1.8;
  min-height: 8rem;
  white-space: pre-wrap;
  color: var(--ink);
}

.memory-caret {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: var(--ink);
  vertical-align: -2px;
  margin-left: 2px;
  animation: caret-blink 0.9s steps(2, start) infinite;
}

.memory-card.is-complete .memory-caret {
  display: none;
}

/* ============ Floating button ============ */
.fall-button {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--rose), var(--gold));
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 14px 30px -14px rgba(0, 0, 0, 0.55);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.fall-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px -16px rgba(0, 0, 0, 0.6);
}

.fall-button:active {
  transform: translateY(0);
}

/* ============ Responsive ============ */
@media (max-width: 760px) {
  .memory-card {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 18px;
  }

  .memory-card[data-side="right"] .memory-photo-wrap,
  .memory-card[data-side="left"] .memory-photo-wrap {
    order: 0;
  }

  .memory-card[data-side="right"] .memory-copy,
  .memory-card[data-side="left"] .memory-copy {
    order: 0;
  }

  .memory-photo-wrap {
    min-height: 260px;
  }

  .photo-card {
    width: 240px;
    height: 320px;
  }

  .letter {
    padding: 40px 26px;
  }
}