* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  background: linear-gradient(135deg, #fce4ec 0%, #f8bbd0 30%, #f48fb1 60%, #ec407a 100%);
  font-family: 'Poppins', sans-serif;
  overflow-x: hidden;
  position: relative;
}

/* Floating hearts background */
.hearts-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.floating-heart {
  position: absolute;
  bottom: -50px;
  font-size: 20px;
  animation: floatUp linear infinite;
  opacity: 0.6;
}

@keyframes floatUp {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 0.6;
  }
  100% {
    transform: translateY(-110vh) rotate(360deg);
    opacity: 0;
  }
}

/* ========================================
   Pages
   ======================================== */
.page {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
  overflow: hidden;
}

.page.active {
  opacity: 1;
  pointer-events: auto;
}

/* Page 1 stays fixed/centered */
#page-question.active {
  position: fixed;
}

/* Page 2 scrolls */
#page-details.active {
  position: relative;
  min-height: 100vh;
  height: auto;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 0;
  overflow-y: auto;
}

/* ========================================
   Card — paper texture, larger, mobile-first
   ======================================== */
.card {
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 31px,
      rgba(200, 180, 160, 0.08) 31px,
      rgba(200, 180, 160, 0.08) 32px
    ),
    linear-gradient(
      180deg,
      #fdf8f0 0%,
      #faf3e8 30%,
      #f5ece0 100%
    );
  border-radius: 8px;
  padding: 50px 35px;
  text-align: center;
  max-width: 600px;
  width: 92%;
  position: relative;
  animation: cardEntrance 1s ease-out;
  /* Paper-like shadow & edges */
  box-shadow:
    0 2px 4px rgba(0,0,0,0.06),
    0 8px 20px rgba(0,0,0,0.08),
    0 30px 60px rgba(0,0,0,0.12),
    inset 0 0 80px rgba(200, 180, 160, 0.06);
  border: 1px solid rgba(200, 180, 160, 0.3);
  /* Slight paper roughness via noise */
  background-blend-mode: multiply;
}

/* Torn/deckled edge feel */
.card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 10px;
  right: 10px;
  height: 3px;
  background: linear-gradient(90deg,
    transparent 0%, #fdf8f0 5%, transparent 10%,
    #fdf8f0 15%, transparent 20%, #fdf8f0 25%,
    transparent 30%, #fdf8f0 35%, transparent 40%,
    #fdf8f0 45%, transparent 50%, #fdf8f0 55%,
    transparent 60%, #fdf8f0 65%, transparent 70%,
    #fdf8f0 75%, transparent 80%, #fdf8f0 85%,
    transparent 90%, #fdf8f0 95%, transparent 100%
  );
  border-radius: 2px;
}

@keyframes cardEntrance {
  0% {
    transform: scale(0.85) translateY(30px);
    opacity: 0;
  }
  100% {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.envelope-icon {
  font-size: 72px;
  margin-bottom: 24px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.card h1 {
  font-family: 'Dancing Script', cursive;
  font-size: 3rem;
  color: #c2185b;
  margin-bottom: 12px;
}

.subtitle {
  font-family: 'Dancing Script', cursive;
  font-size: 1.6rem;
  color: #e91e63;
  margin-bottom: 44px;
}

/* ========================================
   Buttons
   ======================================== */
.buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  min-height: 80px;
  position: relative;
}

.btn {
  padding: 18px 48px;
  border: none;
  border-radius: 50px;
  font-size: 1.25rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-yes {
  background: linear-gradient(135deg, #e91e63, #c2185b);
  color: white;
  box-shadow: 0 6px 20px rgba(233, 30, 99, 0.4);
}

.btn-yes:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 30px rgba(233, 30, 99, 0.6);
}

.btn-no {
  background: #f5f5f5;
  color: #999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: none;
}

/* ========================================
   Page 2: Details with floating photos
   ======================================== */
.details-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.details-container {
  text-align: center;
  padding: 0 20px;
  max-width: 500px;
  width: 95%;
  animation: fadeInUp 1s ease-out;
  position: relative;
  z-index: 2;
}

@keyframes fadeInUp {
  0% {
    transform: translateY(40px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

.celebrate-title {
  font-family: 'Dancing Script', cursive;
  font-size: 3rem;
  color: white;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  margin-bottom: 30px;
}

.date-details {
  background:
    linear-gradient(
      180deg,
      #fdf8f0 0%,
      #faf3e8 30%,
      #f5ece0 100%
    );
  border-radius: 8px;
  padding: 35px 25px;
  margin-bottom: 30px;
  box-shadow:
    0 2px 4px rgba(0,0,0,0.06),
    0 8px 20px rgba(0,0,0,0.08),
    0 20px 40px rgba(0,0,0,0.1);
  border: 1px solid rgba(200, 180, 160, 0.3);
}

.date-details h2 {
  font-family: 'Dancing Script', cursive;
  font-size: 2rem;
  color: #c2185b;
  margin-bottom: 20px;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: 15px;
  text-align: left;
  padding: 15px 0;
  border-bottom: 1px solid rgba(200, 180, 160, 0.2);
}

.detail-item:last-child {
  border-bottom: none;
}

.detail-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.detail-item strong {
  color: #c2185b;
  font-size: 1.05rem;
}

.detail-item p {
  color: #777;
  font-size: 0.95rem;
  margin-top: 4px;
}

/* ========================================
   3D Photo Carousel
   ======================================== */
.carousel-wrapper {
  perspective: 800px;
  width: 100%;
  max-width: 500px;
  margin: 40px auto 30px;
  height: 180px;
  overflow: visible;
}

.carousel {
  width: 150px;
  height: 150px;
  margin: 0 auto;
  position: relative;
  transform-style: preserve-3d;
  animation: spin 20s linear infinite;
}

.carousel img {
  position: absolute;
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 12px;
  border: 3px solid white;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  backface-visibility: hidden;
  top: 0;
  left: 0;
}

/* 5 images = 72deg apart, radius ~200px */
.carousel img:nth-child(1) { transform: rotateY(0deg)    translateZ(200px); }
.carousel img:nth-child(2) { transform: rotateY(72deg)   translateZ(200px); }
.carousel img:nth-child(3) { transform: rotateY(144deg)  translateZ(200px); }
.carousel img:nth-child(4) { transform: rotateY(216deg)  translateZ(200px); }
.carousel img:nth-child(5) { transform: rotateY(288deg)  translateZ(200px); }

@keyframes spin {
  from { transform: rotateY(0deg); }
  to   { transform: rotateY(360deg); }
}

.love-note {
  font-family: 'Dancing Script', cursive;
  font-size: 2rem;
  color: white;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  padding: 20px 0;
  position: relative;
  z-index: 2;
}

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

/* ========================================
   Music prompt overlay
   ======================================== */
.music-prompt {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.5s ease;
}

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

.music-prompt-card {
  background: #fdf8f0;
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  max-width: 340px;
  width: 85%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(200, 180, 160, 0.3);
}

.music-prompt-card p {
  font-family: 'Dancing Script', cursive;
  font-size: 1.5rem;
  color: #c2185b;
  margin-bottom: 24px;
}

.music-prompt-card button {
  padding: 14px 40px;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  cursor: pointer;
  background: linear-gradient(135deg, #e91e63, #c2185b);
  color: white;
  box-shadow: 0 6px 20px rgba(233, 30, 99, 0.4);
  transition: transform 0.2s ease;
}

.music-prompt-card button:hover {
  transform: scale(1.05);
}

/* ========================================
   Responsive — mobile first, scale up
   ======================================== */

/* Base: mobile (small screens) */
.card {
  max-width: 92vw;
}

.card h1 {
  font-size: 2.8rem;
}

.subtitle {
  font-size: 1.4rem;
}

.btn {
  padding: 16px 36px;
  font-size: 1.1rem;
}

.celebrate-title {
  font-size: 2.4rem;
}

.carousel-wrapper {
  height: 140px;
}

.carousel {
  width: 110px;
  height: 110px;
}

.carousel img {
  width: 110px;
  height: 110px;
}

.carousel img:nth-child(1) { transform: rotateY(0deg)    translateZ(150px); }
.carousel img:nth-child(2) { transform: rotateY(72deg)   translateZ(150px); }
.carousel img:nth-child(3) { transform: rotateY(144deg)  translateZ(150px); }
.carousel img:nth-child(4) { transform: rotateY(216deg)  translateZ(150px); }
.carousel img:nth-child(5) { transform: rotateY(288deg)  translateZ(150px); }

/* Medium screens (tablets) */
@media (min-width: 480px) {
  .card {
    max-width: 500px;
    padding: 55px 40px;
  }

  .card h1 {
    font-size: 3.2rem;
  }

  .subtitle {
    font-size: 1.6rem;
  }

  .celebrate-title {
    font-size: 2.8rem;
  }

  .carousel-wrapper {
    height: 160px;
  }

  .carousel {
    width: 130px;
    height: 130px;
  }

  .carousel img {
    width: 130px;
    height: 130px;
  }

  .carousel img:nth-child(1) { transform: rotateY(0deg)    translateZ(180px); }
  .carousel img:nth-child(2) { transform: rotateY(72deg)   translateZ(180px); }
  .carousel img:nth-child(3) { transform: rotateY(144deg)  translateZ(180px); }
  .carousel img:nth-child(4) { transform: rotateY(216deg)  translateZ(180px); }
  .carousel img:nth-child(5) { transform: rotateY(288deg)  translateZ(180px); }
}

/* Large screens (desktop) */
@media (min-width: 768px) {
  .card {
    max-width: 580px;
    padding: 65px 50px;
  }

  .card h1 {
    font-size: 3.8rem;
  }

  .subtitle {
    font-size: 1.9rem;
    margin-bottom: 50px;
  }

  .btn {
    padding: 20px 52px;
    font-size: 1.3rem;
  }

  .envelope-icon {
    font-size: 80px;
  }

  .celebrate-title {
    font-size: 3.5rem;
  }

  .details-container {
    max-width: 550px;
  }

  .carousel-wrapper {
    height: 200px;
  }

  .carousel {
    width: 150px;
    height: 150px;
  }

  .carousel img {
    width: 150px;
    height: 150px;
  }

  .carousel img:nth-child(1) { transform: rotateY(0deg)    translateZ(220px); }
  .carousel img:nth-child(2) { transform: rotateY(72deg)   translateZ(220px); }
  .carousel img:nth-child(3) { transform: rotateY(144deg)  translateZ(220px); }
  .carousel img:nth-child(4) { transform: rotateY(216deg)  translateZ(220px); }
  .carousel img:nth-child(5) { transform: rotateY(288deg)  translateZ(220px); }
}