/* --- Variables --- */
:root {
  --blush: #e8b4b8;
  --blush-deep: #d4a5a9;
  --cream: #faf6f3;
  --rose: #c9a9a6;
  --ink: #3d3232;
  --ink-soft: #6b5b5b;
  --white: #fff;
  --shadow: rgba(61, 50, 50, 0.08);
  --shadow-strong: rgba(61, 50, 50, 0.15);
  --yes-color: #c48b8f;
  --yes-hover: #b07a7e;
  --no-color: #b8a5a8;
  --radius: 20px;
  --radius-sm: 12px;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Quicksand', sans-serif;
}

/* --- Reset & base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100vh;
  min-height: 100dvh;
}

/* --- Background hearts (decorative) --- */
.bg-hearts {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.bg-heart {
  position: absolute;
  animation: bgHeartFloat 20s ease-in-out infinite;
}

.bg-heart--xs { font-size: clamp(1rem, 4vw, 1.5rem); }
.bg-heart--sm { font-size: clamp(1.5rem, 6vw, 2.5rem); }
.bg-heart--md { font-size: clamp(2rem, 8vw, 3.5rem); }
.bg-heart--lg { font-size: clamp(2.5rem, 11vw, 4.5rem); }
.bg-heart--xl { font-size: clamp(3rem, 14vw, 6rem); }

.bg-heart--blush { color: var(--blush); opacity: 0.32; }
.bg-heart--rose { color: var(--rose); opacity: 0.28; }
.bg-heart--deep { color: var(--blush-deep); opacity: 0.3; }
.bg-heart--ink { color: var(--ink-soft); opacity: 0.22; }
.bg-heart--muted { color: #d9b8bc; opacity: 0.26; }

.bg-hearts--dark .bg-heart--blush { color: var(--blush); opacity: 0.2; }
.bg-hearts--dark .bg-heart--rose { color: #e8b4b8; opacity: 0.18; }
.bg-hearts--dark .bg-heart--deep { color: var(--blush-deep); opacity: 0.19; }
.bg-hearts--dark .bg-heart--ink { color: #c9a9a6; opacity: 0.16; }
.bg-hearts--dark .bg-heart--muted { color: #b8989c; opacity: 0.17; }

@keyframes bgHeartFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-8px) scale(1.05); }
}

.bg-hearts--dark .bg-heart:nth-child(odd) { animation-duration: 25s; }
.bg-hearts--dark .bg-heart:nth-child(3n) { animation-delay: -5s; }

/* --- Screens --- */
.screen {
  display: none;
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 1.5rem;
  padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
  align-items: center;
  justify-content: center;
}

.screen.active {
  display: flex;
  flex-direction: column;
}

/* --- Intro --- */
#intro {
  background: linear-gradient(160deg, var(--cream) 0%, var(--blush) 50%, var(--blush-deep) 100%);
}

.intro-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 320px;
}

#intro h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.75rem, 6vw, 2.25rem);
  color: var(--ink);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.subtitle {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin-bottom: 2rem;
}

.btn-primary {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.85rem 2rem;
  border: none;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px var(--shadow-strong);
}

.btn-primary:active {
  transform: scale(0.98);
}

/* --- Questionnaire --- */
#questionnaire {
  background: linear-gradient(180deg, var(--cream) 0%, #f5eeeb 100%);
  justify-content: flex-start;
  padding-top: 2rem;
}

#questionnaire .progress-bar,
#questionnaire .question-card {
  position: relative;
  z-index: 1;
}

.progress-bar {
  width: 100%;
  max-width: 320px;
  height: 6px;
  background: var(--blush);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--rose), var(--blush-deep));
  border-radius: 3px;
  width: 0%;
  transition: width 0.4s ease;
}

.question-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  max-width: 340px;
  width: 100%;
  box-shadow: 0 8px 32px var(--shadow);
  position: relative;
}

.question-number {
  font-size: 0.8rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.question-text {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.25rem, 4.5vw, 1.5rem);
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 1.75rem;
}

.options {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  position: relative;
  min-height: 52px;
}

.btn-option {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: absolute;
}

.btn-yes {
  background: linear-gradient(135deg, var(--yes-color), var(--yes-hover));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(196, 139, 143, 0.4);
  left: 0;
  top: 0;
}

.btn-yes:active {
  transform: scale(0.96);
}

.btn-no {
  background: var(--no-color);
  color: var(--white);
  left: 0;
  top: 0;
  margin-left: 100px; /* default position next to Yes */
  transition: left 0.2s ease-out, top 0.2s ease-out, margin-left 0.2s ease-out;
}

.btn-no.runaway {
  position: fixed;
  margin-left: 0;
  z-index: 5;
  transition: left 0.15s ease-out, top 0.15s ease-out;
}

/* --- Hearts (floating - full screen on Yes) --- */
.hearts-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  overflow: hidden;
}

.heart-float {
  position: absolute;
  animation: heartFloat 1.8s ease-out forwards;
  opacity: 0;
}

.heart-float--s { font-size: clamp(1rem, 5vw, 1.75rem); }
.heart-float--m { font-size: clamp(1.5rem, 8vw, 2.75rem); }
.heart-float--l { font-size: clamp(2rem, 11vw, 3.5rem); }
.heart-float--xl { font-size: clamp(2.5rem, 14vw, 4.5rem); }

@keyframes heartFloat {
  0% {
    opacity: 0;
    transform: scale(0.2) translateY(0);
  }
  15% {
    opacity: 0.95;
    transform: scale(1) translateY(-15px);
  }
  100% {
    opacity: 0;
    transform: scale(1.15) translateY(-120px);
  }
}

/* --- Video screen --- */
#video-screen {
  background: linear-gradient(180deg, #1a1515 0%, #2d2222 100%);
  padding: 1rem;
}

.video-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 280px; /* portrait width */
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.video-reveal {
  position: relative;
  width: 100%;
  padding-bottom: 177.78%; /* 9:16 portrait */
  background: #000;
  opacity: 0;
  transform: scale(0.85);
  border-radius: var(--radius);
  overflow: hidden;
}

.video-reveal.reveal {
  animation: videoReveal 1s ease-out forwards;
}

@keyframes videoReveal {
  0% {
    opacity: 0;
    transform: scale(0.85);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

#romantic-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.video-caption {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--blush);
  margin-top: 1rem;
  text-align: center;
  font-style: italic;
}