:root {
  --grad-1: #fff3e0;
  --grad-2: #ffccbc;
  --grad-3: #f8bbd0;
  --ink: #5d2e46;
  --accent: #d63384;
  --card-bg: #ffffff;
  --card-edge: rgba(0,0,0,0.10);
  --shadow: 0 10px 30px rgba(93,46,70,0.18);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}
body {
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--ink);
  background: linear-gradient(135deg, var(--grad-1) 0%, var(--grad-2) 50%, var(--grad-3) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

.stage {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  perspective: 1200px;
}

.card {
  position: relative;
  width: min(86vw, 360px);
  aspect-ratio: 3 / 4;
  cursor: pointer;
  outline: none;
  transform-style: preserve-3d;
}
.card:focus-visible { box-shadow: 0 0 0 4px rgba(214,51,132,0.35); border-radius: 12px; }

.card-body {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

.card-back {
  position: absolute; inset: 0;
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.card-flap {
  position: absolute; inset: 0;
  transform-origin: bottom;
  transform-style: preserve-3d;
}

.card-flap-front,
.card-flap-back {
  position: absolute; inset: 0;
  border-radius: 12px;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1rem;
}
.card-flap-front {
  background: linear-gradient(155deg, #fff 0%, #ffe6ee 100%);
  box-shadow: var(--shadow);
}
.card-flap-back {
  background: var(--card-bg);
  transform: rotateX(180deg);
}

.card-deco {
  font-size: 1.1rem;
  letter-spacing: 6px;
  opacity: 0.95;
}
.card-title {
  font-family: 'Marker Felt', 'Bradley Hand', 'Comic Sans MS', sans-serif;
  font-size: clamp(2rem, 8vw, 2.8rem);
  font-weight: bold;
  text-align: center;
  line-height: 1.05;
  color: var(--accent);
}
.card-name {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: clamp(1rem, 3.5vw, 1.2rem);
  opacity: 0.85;
}

.card-cta {
  position: absolute;
  left: 0; right: 0;
  bottom: -2.5rem;
  text-align: center;
  font-family: 'Marker Felt', 'Comic Sans MS', sans-serif;
  font-size: 1rem;
  color: var(--ink);
  opacity: 0.85;
}

/* Idle "wobble" hint so the user notices the card is interactive */
@keyframes card-wobble {
  0%, 90%, 100% { transform: rotate(0deg); }
  93% { transform: rotate(-1.5deg); }
  96% { transform: rotate(1.5deg); }
}
.card:not(.open) .card-body {
  animation: card-wobble 4s ease-in-out infinite;
  transform-origin: center bottom;
}

/* Open state: front flap lifts up and back */
.card-flap {
  transition: transform 800ms cubic-bezier(0.34, 1.2, 0.64, 1);
}
.card.open .card-flap {
  transform: rotateX(-165deg);
}
.card.open .card-cta {
  opacity: 0;
  transition: opacity 200ms;
  pointer-events: none;
}
.card.open .card-body {
  animation: none;
}

/* Greeting note — hidden until card opens */
.content {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease-out 200ms, transform 600ms ease-out 200ms;
  padding: 2rem 1rem 4rem;
  max-width: 640px;
  margin: 0 auto;
}
.content.revealed {
  opacity: 1;
  transform: translateY(0);
}

.greeting {
  text-align: center;
  margin-bottom: 2rem;
}
.greeting-title {
  font-family: 'Marker Felt', 'Bradley Hand', 'Comic Sans MS', sans-serif;
  font-size: clamp(2rem, 7vw, 2.6rem);
  color: var(--accent);
  margin: 0 0 1.25rem;
}
.greeting-body {
  font-family: Georgia, serif;
  font-size: clamp(1rem, 3.6vw, 1.1rem);
  line-height: 1.65;
  margin: 0 auto 1.5rem;
  max-width: 32em;
}
.greeting-sig {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 1rem;
  opacity: 0.85;
  margin: 0;
}

/* Slideshow */
.slideshow {
  margin: 0 auto;
  max-width: 560px;
}
.slideshow-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 700ms ease-in-out;
}
.slide.active {
  opacity: 1;
}
.dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(93, 46, 70, 0.25);
  transition: background 300ms, transform 300ms;
}
.dot.active {
  background: var(--accent);
  transform: scale(1.25);
}

/* Floating hearts background */
.hearts {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.hearts span {
  position: absolute;
  bottom: -10vh;
  left: var(--x);
  font-size: clamp(1.4rem, 4vw, 2rem);
  opacity: 0;
  animation: heart-rise var(--dur) linear var(--d) infinite;
  will-change: transform, opacity;
}
@keyframes heart-rise {
  0%   { transform: translateY(0)        rotate(-6deg); opacity: 0; }
  10%  { opacity: 0.55; }
  85%  { opacity: 0.55; }
  100% { transform: translateY(-115vh)   rotate(6deg);  opacity: 0; }
}

/* Keep card and content above the hearts */
.stage, .content { position: relative; z-index: 1; }

/* After the card opens, dismiss it so the greeting + slideshow can
   fill the viewport without scrolling on mobile. */
.stage {
  transition: opacity 600ms ease, transform 600ms ease;
}
body.card-dismissed .stage {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  opacity: 0;
  transform: scale(0.55) translateY(-10vh);
  pointer-events: none;
}

body.card-dismissed .content {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.5rem 1rem;
  max-width: 100%;
  margin: 0;
}
body.card-dismissed .greeting {
  margin-bottom: 1.25rem;
}
body.card-dismissed .greeting-body {
  max-width: 28em;
}
body.card-dismissed .slideshow {
  margin: 0 auto;
  max-width: min(94vw, 480px);
  width: 100%;
}