:root {
  color-scheme: light;
  --ink: #321b2b;
  --muted: #7d596d;
  --paper: #fff8fb;
  --rose: #ff4f86;
  --rose-dark: #c91f58;
  --green: #1fbf75;
  --green-dark: #087f4e;
  --red: #ee364f;
  --red-dark: #b8102b;
  --gold: #f4bf45;
  --blue: #92d7ff;
  --shadow: 0 24px 70px rgba(112, 35, 72, 0.22);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 18%, rgba(146, 215, 255, 0.55), transparent 26%),
    radial-gradient(circle at 84% 14%, rgba(244, 191, 69, 0.45), transparent 24%),
    radial-gradient(circle at 50% 88%, rgba(255, 79, 134, 0.34), transparent 30%),
    linear-gradient(145deg, #fffaf2 0%, #fff0f8 43%, #eef9ff 100%);
}

button {
  font: inherit;
}

.app {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
}

.scene {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(18px, 5vw, 48px);
  opacity: 0;
  visibility: hidden;
  transform: scale(1.02);
  transition:
    opacity 420ms ease,
    transform 420ms ease,
    visibility 420ms ease;
}

.scene.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.scene--question::before,
.scene--question::after {
  content: "";
  position: absolute;
  width: min(48vw, 360px);
  aspect-ratio: 1;
  border-radius: 999px;
  filter: blur(2px);
  opacity: 0.55;
  pointer-events: none;
}

.scene--question::before {
  left: -120px;
  bottom: -115px;
  background:
    linear-gradient(135deg, rgba(31, 191, 117, 0.25), transparent 65%),
    rgba(255, 255, 255, 0.52);
}

.scene--question::after {
  right: -135px;
  top: -120px;
  background:
    linear-gradient(135deg, rgba(255, 79, 134, 0.28), transparent 62%),
    rgba(255, 255, 255, 0.48);
}

.ambient-hearts {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.ambient-hearts span {
  position: absolute;
  color: rgba(255, 79, 134, 0.24);
  font-size: clamp(34px, 7vw, 82px);
  line-height: 1;
  animation: floatHeart 8s ease-in-out infinite;
}

.ambient-hearts span:nth-child(1) {
  left: 7%;
  top: 16%;
  animation-delay: -1s;
}

.ambient-hearts span:nth-child(2) {
  left: 78%;
  top: 18%;
  color: rgba(8, 127, 78, 0.18);
  animation-delay: -3s;
}

.ambient-hearts span:nth-child(3) {
  left: 15%;
  top: 72%;
  color: rgba(244, 191, 69, 0.25);
  animation-delay: -5s;
}

.ambient-hearts span:nth-child(4) {
  left: 86%;
  top: 68%;
  animation-delay: -2s;
}

.ambient-hearts span:nth-child(5) {
  left: 47%;
  top: 8%;
  color: rgba(146, 215, 255, 0.65);
  animation-delay: -4s;
}

.ambient-hearts span:nth-child(6) {
  left: 42%;
  top: 84%;
  animation-delay: -6s;
}

.proposal {
  position: relative;
  z-index: 2;
  width: min(100%, 520px);
  min-height: min(72svh, 540px);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 18px;
  padding: clamp(28px, 7vw, 52px);
  text-shadow: 0 16px 44px rgba(201, 31, 88, 0.13);
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: clamp(0.92rem, 2.7vw, 1.02rem);
  font-weight: 760;
  letter-spacing: 0;
}

h1,
h2,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(3.25rem, 16vw, 6.4rem);
  line-height: 0.92;
  letter-spacing: 0;
  text-align: center;
  text-wrap: balance;
  color: var(--ink);
}

.button-bay {
  position: relative;
  width: min(100%, 380px);
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 6px;
}

.btn {
  min-width: 132px;
  min-height: 58px;
  border: 0;
  border-radius: 18px;
  color: #fff;
  font-size: 1.18rem;
  font-weight: 850;
  letter-spacing: 0;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(50, 27, 43, 0.18);
  transform: translateZ(0);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    filter 180ms ease,
    left 220ms cubic-bezier(0.2, 0.9, 0.24, 1.35),
    top 220ms cubic-bezier(0.2, 0.9, 0.24, 1.35);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.btn:focus-visible {
  outline: 4px solid rgba(50, 27, 43, 0.22);
  outline-offset: 4px;
}

.btn--yes {
  background: linear-gradient(180deg, var(--green), var(--green-dark));
}

.btn--no {
  background: linear-gradient(180deg, var(--red), var(--red-dark));
}

.btn--yes:hover,
.btn--yes:active {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 18px 36px rgba(8, 127, 78, 0.24);
}

.btn--no.is-running {
  position: fixed;
  z-index: 8;
}

.btn--no.is-teasing {
  animation: wiggle 280ms ease;
}

.scene--answer {
  background:
    radial-gradient(circle at 52% 42%, rgba(255, 255, 255, 0.8), transparent 31%),
    linear-gradient(160deg, #fff7ec 0%, #ffe5ef 47%, #eaf8ff 100%);
}

.answer-copy {
  position: relative;
  z-index: 2;
  width: min(100%, 620px);
  text-align: center;
  padding: 24px;
}

.answer-copy p {
  margin: 0 0 12px;
  color: var(--rose-dark);
  font-size: clamp(1.55rem, 6vw, 2.7rem);
  font-weight: 800;
  line-height: 1.08;
  text-wrap: balance;
}

.answer-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2.9rem, 14vw, 6.8rem);
  line-height: 0.92;
  letter-spacing: 0;
  text-wrap: balance;
  text-shadow: 0 16px 44px rgba(201, 31, 88, 0.2);
}

.heart-rain {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.heart-drop {
  position: absolute;
  top: -72px;
  left: var(--left);
  font-size: var(--size);
  line-height: 1;
  opacity: var(--opacity);
  transform: translate3d(0, -80px, 0) rotate(var(--rotate));
  animation: heartRain var(--duration) linear var(--delay) infinite;
  filter: drop-shadow(0 10px 16px rgba(201, 31, 88, 0.16));
}

@keyframes floatHeart {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(-8deg);
  }

  50% {
    transform: translate3d(0, -18px, 0) rotate(8deg);
  }
}

@keyframes wiggle {
  0%,
  100% {
    transform: rotate(0deg);
  }

  28% {
    transform: rotate(-5deg);
  }

  64% {
    transform: rotate(5deg);
  }
}

@keyframes heartRain {
  0% {
    transform: translate3d(0, -90px, 0) rotate(var(--rotate));
  }

  100% {
    transform: translate3d(var(--drift), calc(100svh + 110px), 0) rotate(calc(var(--rotate) + 180deg));
  }
}

@media (max-width: 520px) {
  .scene {
    padding: 16px;
  }

  .proposal {
    min-height: min(76svh, 560px);
  }

  .button-bay {
    width: min(100%, 320px);
    min-height: 150px;
    flex-direction: column;
    gap: 12px;
  }

  .btn {
    width: min(100%, 240px);
    min-height: 60px;
  }

  .btn--no.is-running {
    width: auto;
    min-width: 116px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}