/* ===== Variables ===== */
:root {
  --rose: #c76b6b;
  --rose-light: #e8a0a0;
  --rose-pale: #f5d4d4;
  --cream: #fff8f0;
  --gold: #d4a853;
  --gold-light: #e8c97a;
  --dark: #2d1f1f;
  --shadow: rgba(45, 31, 31, 0.15);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Outfit', system-ui, sans-serif;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  overflow: hidden;
  height: 100%;
}
body {
  margin: 0;
  min-height: 100%;
  height: 100%;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--dark);
  background: var(--cream);
  overflow: hidden;
}

/* ===== Countdown Section — single view ===== */
.countdown-section {
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  z-index: 50;
  visibility: visible;
  opacity: 1;
}

.countdown-section.hidden {
  display: none !important;
  visibility: hidden;
}

.countdown-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, var(--rose-pale) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 80% 80%, var(--rose-light) 0%, transparent 45%),
    linear-gradient(180deg, var(--cream) 0%, #fef5ef 100%);
  z-index: 0;
}

.countdown-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 32rem;
}

.countdown-for {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 600;
  color: var(--dark);
  margin: 0 0 0.75rem;
  letter-spacing: 0.02em;
}

.countdown-label {
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  color: var(--rose);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
  font-weight: 500;
}

.countdown-date {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  color: var(--dark);
  margin: 0 0 2.5rem;
}

.timer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.5rem, 2vw, 1rem);
  margin-bottom: 2rem;
}

.timer-block {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border-radius: 1rem;
  padding: clamp(0.75rem, 2vw, 1.25rem);
  box-shadow: 0 4px 24px var(--shadow);
  border: 1px solid rgba(199, 107, 107, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.timer-block:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--shadow);
}

.timer-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 600;
  color: var(--rose);
  line-height: 1.1;
}

.timer-unit {
  display: block;
  font-size: clamp(0.65rem, 1.8vw, 0.8rem);
  color: var(--dark);
  opacity: 0.8;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

.countdown-hint {
  font-size: clamp(0.8rem, 2vw, 0.9rem);
  color: var(--dark);
  opacity: 0.75;
  margin: 0 0 0.75rem;
}

.countdown-from {
  font-size: clamp(0.85rem, 2.2vw, 1rem);
  color: var(--rose);
  font-style: italic;
  margin: 0;
  opacity: 0.9;
}

.scroll-indicator {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--rose);
  opacity: 0.9;
  animation: float 2s ease-in-out infinite;
}

.scroll-indicator .arrow {
  font-size: 1.2rem;
}

.scroll-indicator.hidden {
  display: none;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===== Reveal Section — single view, no scroll ===== */
.reveal-section {
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.25rem;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 50% at 50% 20%, var(--rose-pale) 0%, transparent 50%),
    linear-gradient(180deg, #fef5ef 0%, var(--cream) 50%, #fef9f5 100%);
}

.reveal-section.hidden {
  display: none !important;
  visibility: hidden;
  pointer-events: none;
}

.reveal-section.visible {
  display: flex;
  animation: revealFadeIn 0.8s ease-out;
}

@keyframes revealFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

#confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
}

/* Faded photo collage background */
.collage-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  min-height: 100%;
  z-index: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 2px;
  overflow: hidden;
}

.collage-img {
  width: 100%;
  height: 100%;
  min-height: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.52;
  filter: saturate(0.85) brightness(1.05);
}

.collage-overlay {
  position: absolute;
  inset: 0;
  z-index: 0.5;
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(255, 248, 240, 0.4) 0%, transparent 60%),
    linear-gradient(180deg, rgba(255, 248, 240, 0.5) 0%, rgba(254, 245, 239, 0.55) 50%, rgba(255, 249, 245, 0.5) 100%);
  pointer-events: none;
}

.reveal-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 100%;
  width: 100%;
  height: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  overflow: hidden;
  padding: 1rem 0.5rem;
}

.reveal-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.5vh, 4.5rem);
  font-weight: 600;
  color: var(--dark);
  margin: 0 0 0.15rem;
  line-height: 1.15;
  flex-shrink: 0;
}

.reveal-title .word {
  display: inline-block;
  opacity: 0;
  animation: wordReveal 0.8s ease forwards;
}

.reveal-title .word:nth-child(1) { animation-delay: 0.2s; }
.reveal-title .word:nth-child(2) { animation-delay: 0.5s; }
.reveal-title .word:nth-child(3) { animation-delay: 0.8s; }
.reveal-title .word:nth-child(4) { animation-delay: 1.1s; }

.reveal-title .word.name {
  color: var(--rose);
  font-style: italic;
}

.reveal-title .word.age {
  color: var(--gold);
  font-weight: 600;
}

@keyframes wordReveal {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal-from {
  font-size: clamp(1rem, 2.2vh, 1.35rem);
  color: var(--dark);
  opacity: 0.9;
  margin: 0 0 0.25rem;
  animation: wordReveal 0.6s ease 1.4s forwards;
  opacity: 0;
  flex-shrink: 0;
}

.reveal-from strong {
  color: var(--rose);
  font-weight: 600;
}

/* Cake block — flowing cake + burning candles */
.cake-block {
  margin-bottom: 0.5rem;
  flex-shrink: 0;
  animation: photoReveal 0.6s ease 1.5s backwards;
}

.cake-with-candles {
  position: relative;
  display: inline-block;
  padding-top: clamp(28px, 5vh, 44px);
}

/* Candles above the cake */
.candles {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
  gap: clamp(10px, 2.5vw, 22px);
  z-index: 2;
  pointer-events: none;
}

.candle {
  position: relative;
  width: clamp(5px, 1.2vw, 10px);
  height: clamp(18px, 4.5vh, 36px);
  background: linear-gradient(90deg, #f5e6d3 0%, #e8d4b8 50%, #ddc9a8 100%);
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.06);
}

.wick {
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 6px;
  background: #2d1f1f;
  border-radius: 1px;
}

.flame {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: clamp(10px, 2.5vw, 18px);
  height: clamp(14px, 3.5vh, 24px);
  background: radial-gradient(ellipse 60% 100% at 50% 0%, #fff8b0 0%, #ffcc40 40%, #ff9500 80%, #e85d04 100%);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  filter: blur(0.5px);
  animation: flameFlicker 0.15s ease-in-out infinite alternate;
}

.candle:nth-child(1) .flame { animation-delay: 0s; }
.candle:nth-child(2) .flame { animation-delay: 0.05s; }
.candle:nth-child(3) .flame { animation-delay: 0.1s; }

@keyframes flameFlicker {
  0% {
    transform: translateX(-50%) scale(1) scaleY(1);
    opacity: 1;
  }
  100% {
    transform: translateX(-50%) scale(1.08, 0.95) scaleY(1.05);
    opacity: 0.92;
  }
}

/* Flowing cake animation */
.cake-flow {
  display: block;
  animation: cakeFlow 3s ease-in-out infinite;
}

@keyframes cakeFlow {
  0%, 100% {
    transform: translateY(0) rotate(-0.5deg);
  }
  50% {
    transform: translateY(-4px) rotate(0.5deg);
  }
}

.cake-flow .cake-img {
  display: block;
  max-width: clamp(140px, 28vmin, 260px);
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 1rem;
  box-shadow: 0 8px 32px var(--shadow);
  border: 3px solid rgba(255, 255, 255, 0.9);
}

.cake-flow .cake-placeholder {
  display: none;
  max-width: clamp(120px, 22vmin, 200px);
  margin: 0 auto;
  padding: 1.25rem;
  background: linear-gradient(180deg, var(--rose-pale) 0%, #fef0f0 100%);
  border-radius: 1rem;
  border: 2px solid var(--rose-light);
  box-shadow: 0 8px 24px var(--shadow);
  text-align: center;
}

.cake-emoji {
  display: block;
  font-size: clamp(2.5rem, 6vh, 4rem);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.cake-text {
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 1.8vh, 1.1rem);
  font-weight: 600;
  color: var(--rose);
}

.photos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.5rem, 1.2vw, 1rem);
  margin-bottom: 0.5rem;
  justify-items: center;
  max-width: min(720px, 92vw);
  margin-left: auto;
  margin-right: auto;
  flex-shrink: 1;
  min-height: 0;
}

.photo-card {
  width: 100%;
  max-width: clamp(100px, 18vmin, 170px);
  aspect-ratio: 1;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 6px 24px var(--shadow);
  border: 3px solid rgba(255, 255, 255, 0.9);
  animation: photoReveal 0.6s ease backwards, photoFloat 4.5s ease-in-out 2.2s infinite;
}

.photo-card:nth-child(1) { animation-delay: 1.6s, 2.2s; }
.photo-card:nth-child(2) { animation-delay: 1.7s, 2.4s; }
.photo-card:nth-child(3) { animation-delay: 1.8s, 2.6s; }
.photo-card:nth-child(4) { animation-delay: 1.9s, 2.8s; }
.photo-card:nth-child(5) { animation-delay: 2s, 2.3s; }
.photo-card:nth-child(6) { animation-delay: 2.1s, 2.5s; }
.photo-card:nth-child(7) { animation-delay: 2.2s, 2.7s; }
.photo-card:nth-child(8) { animation-delay: 2.3s, 2.9s; }

.photo-card:nth-child(odd) {
  animation-name: photoReveal, photoFloat;
  animation-duration: 0.6s, 5s;
}
.photo-card:nth-child(even) {
  animation-name: photoReveal, photoFloatAlt;
  animation-duration: 0.6s, 4.2s;
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  animation: photoShine 6s ease-in-out infinite;
}

.photo-card:nth-child(1) img { animation-delay: 0s; }
.photo-card:nth-child(2) img { animation-delay: 0.8s; }
.photo-card:nth-child(3) img { animation-delay: 1.6s; }
.photo-card:nth-child(4) img { animation-delay: 2.4s; }
.photo-card:nth-child(5) img { animation-delay: 3.2s; }
.photo-card:nth-child(6) img { animation-delay: 4s; }
.photo-card:nth-child(7) img { animation-delay: 4.8s; }
.photo-card:nth-child(8) img { animation-delay: 5.6s; }

@keyframes photoReveal {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes photoFloat {
  0%, 100% {
    transform: translateY(0) rotate(-0.8deg);
  }
  50% {
    transform: translateY(-8px) rotate(0.8deg);
  }
}

@keyframes photoFloatAlt {
  0%, 100% {
    transform: translateY(-4px) rotate(0.6deg);
  }
  50% {
    transform: translateY(6px) rotate(-0.6deg);
  }
}

@keyframes photoShine {
  0%, 100% {
    filter: brightness(1) contrast(1);
  }
  50% {
    filter: brightness(1.08) contrast(1.02);
  }
}

.reveal-wish {
  font-size: clamp(0.9rem, 2vh, 1.2rem);
  color: var(--dark);
  opacity: 0.85;
  line-height: 1.45;
  margin: 0;
  font-style: italic;
  animation: wordReveal 0.6s ease 2.2s forwards;
  opacity: 0;
  flex-shrink: 0;
}

/* ===== Rotating text ring (round and round) ===== */
.rotate-text-ring {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.rotate-text-inner {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120vmax;
  height: 120vmax;
  margin-top: -60vmax;
  margin-left: -60vmax;
  animation: spinRing 25s linear infinite;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  white-space: nowrap;
  padding-top: 1rem;
}

.rotate-text-inner span {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.8vw, 1.6rem);
  color: var(--rose-light);
  opacity: 0.6;
  letter-spacing: 0.15em;
}

@keyframes spinRing {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ===== Love letter — fixed floating envelope (above all content) ===== */
.letter-wrapper {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  margin: 0;
  perspective: 1200px;
  animation: wordReveal 0.6s ease 2.4s forwards;
  opacity: 0;
}

.envelope-container {
  max-width: 300px;
  margin: 0;
  cursor: pointer;
  position: relative;
}

.envelope-body {
  position: relative;
  width: 100%;
  padding: 3.25rem 1.5rem 1.75rem;
  background: linear-gradient(160deg, #fdf0ed 0%, #f5e0db 40%, #f0d8d2 100%);
  border: 2px solid var(--rose-light);
  border-top: none;
  border-radius: 0 0 12px 12px;
  overflow: visible;
  box-shadow:
    0 10px 36px var(--shadow),
    inset 0 1px 0 rgba(255,255,255,0.7),
    inset 0 -1px 0 rgba(199, 107, 107, 0.08);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.envelope-container:hover .envelope-body {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 14px 44px var(--shadow);
}

.envelope-container:hover .envelope-seal {
  transform: scale(1.08);
}

.envelope-flap {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 52px;
  background: linear-gradient(180deg, #f8e8e4 0%, #f2ddd8 100%);
  clip-path: polygon(0 100%, 50% 0, 100% 100%);
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.08));
  transform-origin: 50% 100%;
  transition: transform 0.6s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.letter-wrapper.open .envelope-flap {
  transform: rotateX(-160deg);
}

.envelope-seal {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: linear-gradient(145deg, var(--rose) 0%, var(--rose-light) 100%);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(199, 107, 107, 0.4), inset 0 1px 0 rgba(255,255,255,0.4);
  transition: transform 0.35s ease, opacity 0.5s ease;
  z-index: 2;
}

.letter-wrapper.open .envelope-seal {
  opacity: 0;
  transform: translateX(-50%) scale(0.6);
}

.envelope-hint {
  display: block;
  font-size: 0.85rem;
  color: var(--rose);
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
}

.envelope-to {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark);
}

.letter-wrapper.open .envelope-container {
  pointer-events: none;
  animation: envelopeFadeOut 0.5s ease 0.3s forwards;
}

@keyframes envelopeFadeOut {
  to {
    opacity: 0;
    transform: scale(0.96);
  }
}

.letter-paper {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  max-width: 420px;
  width: min(520px, calc(100vw - 3rem));
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  z-index: 101;
}

.letter-wrapper.open .letter-paper {
  max-width: min(520px, calc(100vw - 3rem));
  width: min(520px, calc(100vw - 3rem));
  max-height: 85vh;
  overflow-y: auto;
  opacity: 1;
  margin: 0;
  padding: 1.75rem 2rem;
  background: #fffefc;
  border: 1px solid var(--rose-pale);
  border-radius: 8px;
  box-shadow: 0 12px 48px var(--shadow);
  animation: letterSlideOut 0.6s cubic-bezier(0.34, 1.2, 0.64, 1) 0.25s forwards;
  transform: translateY(0);
}

@keyframes letterSlideOut {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.letter-message {
  text-align: left;
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  line-height: 1.7;
  color: var(--dark);
}

.letter-message p {
  margin: 0 0 1rem;
}

.letter-message p:last-child {
  margin-bottom: 0;
}

.letter-greeting {
  font-family: var(--font-display);
  font-size: 1.15em;
  font-weight: 600;
  color: var(--rose);
}

.letter-sign {
  margin-top: 1.25rem !important;
  font-style: italic;
}

.letter-sign strong {
  color: var(--rose);
}

/* Reveal button (when countdown ends) */
.reveal-btn {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  padding: 1rem 1.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: white;
  background: linear-gradient(135deg, var(--rose) 0%, var(--rose-light) 100%);
  border: none;
  border-radius: 2rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(199, 107, 107, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.reveal-btn:hover {
  transform: translateX(-50%) translateY(-2px);
  box-shadow: 0 6px 28px rgba(199, 107, 107, 0.5);
}

.reveal-btn.hidden {
  display: none; /* hidden only after reveal is shown */
}

/* ===== Mobile ===== */
@media (max-width: 480px) {
  .timer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .timer-block {
    padding: 0.9rem;
  }

  .scroll-indicator {
    bottom: 1rem;
    font-size: 0.75rem;
  }

  .photos-grid {
    grid-template-columns: repeat(4, 1fr);
    max-width: 96vw;
    gap: 0.4rem;
  }

  .photo-card {
    max-width: 22vmin;
  }

  .cake-flow .cake-img {
    max-width: 32vmin;
  }

  .reveal-title {
    font-size: clamp(1.75rem, 5.5vh, 3rem);
  }

  /* Collage: 2x4 on mobile so cells are wider and images don't get cut */
  .collage-bg {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(4, 1fr);
    min-height: 100vh;
    min-height: 100dvh;
  }

  .collage-img {
    background-size: contain;
    background-color: rgba(254, 245, 239, 0.3);
  }

  .reveal-btn {
    bottom: 1.5rem;
    padding: 0.9rem 1.5rem;
    font-size: 0.95rem;
  }

  .letter-wrapper {
    top: max(1rem, env(safe-area-inset-top));
    right: max(1rem, env(safe-area-inset-right));
    bottom: auto;
    left: auto;
    z-index: 110;
    animation: wordReveal 0.5s ease 0.8s forwards;
  }

  .letter-paper {
    top: max(1rem, env(safe-area-inset-top));
    right: max(1rem, env(safe-area-inset-right));
    bottom: auto;
  }

  .letter-wrapper.open .letter-paper {
    top: max(1rem, env(safe-area-inset-top));
    right: max(1rem, env(safe-area-inset-right));
    bottom: auto;
    width: calc(100vw - 2rem);
    max-width: none;
    max-height: 75vh;
  }

  .envelope-container {
    max-width: 160px;
  }

  .envelope-container .envelope-body {
    padding: 2rem 1.25rem 1.35rem;
  }

  .envelope-hint {
    font-size: 0.8rem;
  }

  .envelope-to {
    font-size: 1.2rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal-title .word,
  .photo-card,
  .reveal-from,
  .reveal-wish,
  .letter-wrapper {
    animation: none;
    opacity: 1;
  }
  .scroll-indicator {
    animation: none;
  }
  .rotate-text-inner {
    animation: none;
  }
  .cake-flow {
    animation: none;
  }
  .flame {
    animation: none;
  }
  .photo-card {
    animation: photoReveal 0.6s ease backwards;
  }
  .photo-card img {
    animation: none;
  }
  .envelope-flap,
  .envelope-seal,
  .envelope-container .envelope-body {
    transition: none;
  }
  .letter-wrapper.open .letter-paper {
    animation: none;
  }
  .letter-wrapper.open .envelope-container {
    animation: none;
  }
}