:root {
  --ink: #21151d;
  --muted: #695765;
  --paper: rgba(255, 255, 255, 0.88);
  --paper-solid: #fffafa;
  --pink: #ff4f8a;
  --pink-dark: #d81b61;
  --coral: #ff7a59;
  --mint: #3bc7a3;
  --blue: #276ef1;
  --gold: #ffbd2e;
  --shadow: 0 24px 80px rgba(96, 25, 53, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background:
    linear-gradient(120deg, rgba(255, 79, 138, 0.14), transparent 34%),
    linear-gradient(240deg, rgba(59, 199, 163, 0.16), transparent 38%),
    linear-gradient(160deg, #fff7f9 0%, #f2fbff 47%, #fff6df 100%);
}

button,
input {
  font: inherit;
}

button {
  border: 0;
}

.page {
  position: relative;
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 32px 18px;
}

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

.ambient span {
  position: absolute;
  display: block;
  width: clamp(34px, 7vw, 82px);
  aspect-ratio: 1;
  background: currentColor;
  opacity: 0.22;
  transform: rotate(45deg);
  animation: drift 12s linear infinite;
}

.ambient span::before,
.ambient span::after {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 999px;
  background: currentColor;
  content: "";
}

.ambient span::before {
  left: -50%;
}

.ambient span::after {
  top: -50%;
}

.ambient span:nth-child(1) {
  left: 8%;
  top: 20%;
  color: var(--pink);
  animation-delay: -2s;
}

.ambient span:nth-child(2) {
  left: 82%;
  top: 14%;
  color: var(--mint);
  animation-delay: -6s;
}

.ambient span:nth-child(3) {
  left: 72%;
  top: 78%;
  color: var(--gold);
  animation-delay: -4s;
}

.ambient span:nth-child(4) {
  left: 16%;
  top: 78%;
  color: var(--coral);
  animation-delay: -9s;
}

.ambient span:nth-child(5) {
  left: 44%;
  top: 9%;
  color: var(--blue);
  animation-delay: -7s;
}

.ambient span:nth-child(6) {
  left: 52%;
  top: 88%;
  color: var(--pink-dark);
  animation-delay: -11s;
}

.invite {
  position: relative;
  width: min(100%, 780px);
  padding: clamp(28px, 6vw, 64px);
  overflow: hidden;
  isolation: isolate;
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: 8px;
  background:
    linear-gradient(var(--paper), var(--paper)),
    repeating-linear-gradient(
      -38deg,
      rgba(255, 79, 138, 0.18) 0 10px,
      rgba(39, 110, 241, 0.13) 10px 20px
    );
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.invite::before {
  position: absolute;
  inset: 12px;
  z-index: -1;
  border: 1px dashed rgba(216, 27, 97, 0.22);
  border-radius: 6px;
  content: "";
}

.invite::after {
  position: absolute;
  right: -80px;
  bottom: -110px;
  z-index: -1;
  width: 240px;
  height: 260px;
  border: 20px solid rgba(59, 199, 163, 0.2);
  border-radius: 50% 50% 48% 52%;
  transform: rotate(-18deg);
  content: "";
}

.stamp-strip {
  display: flex;
  gap: 10px;
  margin-bottom: clamp(28px, 5vw, 46px);
}

.stamp {
  display: grid;
  width: 62px;
  aspect-ratio: 1;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 8px;
  color: var(--pink-dark);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(255, 246, 223, 0.86)),
    repeating-linear-gradient(
      90deg,
      currentColor 0 2px,
      transparent 2px 8px
    );
  box-shadow: 0 10px 24px rgba(216, 27, 97, 0.12);
  transform: rotate(-7deg);
}

.stamp:nth-child(2) {
  color: var(--blue);
  transform: rotate(5deg) translateY(7px);
}

.stamp:nth-child(3) {
  color: var(--mint);
  transform: rotate(-2deg);
}

.stamp span {
  display: grid;
  width: 44px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 999px;
  background: var(--paper-solid);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--pink-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 650px;
  margin: 0;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(3rem, 9vw, 6.6rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h1 span {
  color: var(--pink-dark);
}

.lede {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  line-height: 1.6;
}

.date-details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: clamp(28px, 5vw, 42px) 0;
  border-block: 1px solid rgba(33, 21, 29, 0.12);
}

.date-details div {
  padding: 18px 18px 18px 0;
}

.date-details div + div {
  padding-left: 18px;
  border-left: 1px solid rgba(33, 21, 29, 0.12);
}

.date-details dt {
  margin-bottom: 8px;
  color: var(--pink-dark);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.date-details dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.96rem;
  line-height: 1.45;
}

.actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  min-height: 78px;
}

.btn {
  position: relative;
  display: inline-flex;
  min-width: 148px;
  min-height: 64px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 900;
  letter-spacing: 0;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
  user-select: none;
}

.btn:focus-visible {
  outline: 4px solid rgba(39, 110, 241, 0.28);
  outline-offset: 4px;
}

.btn-yes {
  flex-direction: column;
  min-width: min(100%, 252px);
  padding: 12px 22px;
  color: #fff;
  background:
    linear-gradient(135deg, var(--pink), var(--coral)),
    var(--pink);
  box-shadow: 0 18px 34px rgba(216, 27, 97, 0.28);
}

.btn-yes small {
  display: block;
  margin-top: 4px;
  font-size: 0.72rem;
  font-weight: 800;
  opacity: 0.84;
}

.btn-yes:hover {
  transform: translateY(-3px) rotate(-1deg);
  box-shadow: 0 24px 42px rgba(216, 27, 97, 0.36);
}

.btn-no,
.no-slot {
  width: 148px;
  height: 64px;
}

.btn-no {
  color: #342331;
  background: #fff;
  box-shadow: inset 0 0 0 2px rgba(33, 21, 29, 0.14);
}

.btn-no:hover {
  background: #fff9fb;
}

.no-slot {
  display: none;
  flex: 0 0 auto;
  border-radius: 8px;
}

.js-ready .no-slot {
  display: inline-flex;
}

.js-ready .btn-no {
  position: fixed;
  z-index: 20;
  left: 0;
  top: 0;
  visibility: hidden;
  transition:
    left 240ms cubic-bezier(0.2, 0.9, 0.2, 1),
    top 240ms cubic-bezier(0.2, 0.9, 0.2, 1),
    transform 160ms ease,
    box-shadow 160ms ease;
  will-change: left, top, transform;
}

.js-ready .btn-no.is-placed {
  visibility: visible;
}

.js-ready .btn-no.is-running {
  transform: rotate(7deg) scale(0.98);
  box-shadow: inset 0 0 0 2px rgba(33, 21, 29, 0.14),
    0 16px 28px rgba(33, 21, 29, 0.16);
}

.js-ready .btn-no.is-catchable {
  color: #fff;
  background:
    linear-gradient(135deg, var(--pink), var(--coral)),
    var(--pink);
  box-shadow: 0 20px 38px rgba(216, 27, 97, 0.34);
  transform: rotate(-2deg) scale(1.05);
  animation: catchable-pulse 700ms ease-in-out infinite alternate;
}

.js-ready .btn-no.is-catchable:hover {
  background:
    linear-gradient(135deg, var(--pink-dark), var(--coral)),
    var(--pink-dark);
}

.js-ready .btn-no.is-converting {
  animation: convert-to-yes 380ms ease both;
}

.tease {
  min-height: 1.5em;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.answer {
  position: fixed;
  inset: auto 18px 18px;
  z-index: 40;
  width: min(560px, calc(100% - 36px));
  margin-inline: auto;
  padding: 22px;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, #21151d, #522241);
  box-shadow: 0 26px 60px rgba(33, 21, 29, 0.32);
  transform: translateY(18px);
  opacity: 0;
  transition:
    transform 260ms ease,
    opacity 260ms ease;
}

.answer.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.answer-kicker {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.answer h2 {
  margin: 0;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(2rem, 8vw, 3.3rem);
  line-height: 1;
  letter-spacing: 0;
}

.answer p:last-child {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.55;
}

.confetti {
  position: fixed;
  inset: 0;
  z-index: 30;
  pointer-events: none;
  overflow: hidden;
}

.confetti i {
  position: absolute;
  top: -16px;
  width: 10px;
  height: 18px;
  border-radius: 3px;
  animation: confetti-fall var(--duration, 2200ms) ease-in forwards;
  background: var(--piece, var(--pink));
  transform: translate3d(0, -30px, 0) rotate(0deg);
}

.confetti i:nth-child(3n) {
  border-radius: 999px;
}

.confetti i:nth-child(4n) {
  width: 14px;
  height: 14px;
}

.yes-mode .invite {
  animation: happy-card 700ms ease both;
}

.yes-mode .btn-no {
  opacity: 0;
  pointer-events: none;
}

.jumpscare {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 22px;
  pointer-events: none;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.94) 0 22%, transparent 23%),
    linear-gradient(135deg, rgba(216, 27, 97, 0.96), rgba(33, 21, 29, 0.98));
  opacity: 0;
}

.jumpscare-card {
  display: grid;
  width: min(92vw, 620px);
  aspect-ratio: 1.45;
  place-items: center;
  border: 6px solid #fff;
  border-radius: 8px;
  color: #fff;
  background:
    linear-gradient(90deg, transparent 48%, rgba(255, 255, 255, 0.22) 48% 52%, transparent 52%),
    linear-gradient(#21151d, #21151d);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.46);
  text-align: center;
  transform: scale(0.35) rotate(-8deg);
}

.jumpscare-card p {
  margin: 0;
  font-size: clamp(5rem, 21vw, 11rem);
  font-weight: 900;
  line-height: 0.8;
  text-shadow: 7px 7px 0 var(--pink-dark);
}

.jumpscare-card span {
  align-self: start;
  margin-top: -14px;
  color: var(--gold);
  font-size: clamp(1rem, 4vw, 1.55rem);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scare-mode {
  animation: page-shake 520ms steps(2, end);
}

.scare-mode .jumpscare {
  opacity: 1;
  animation: scare-flash 960ms ease-out both;
}

.scare-mode .jumpscare-card {
  animation: scare-pop 960ms cubic-bezier(0.13, 1.38, 0.32, 1) both;
}

@keyframes drift {
  0%,
  100% {
    translate: 0 0;
  }

  50% {
    translate: 18px -22px;
  }
}

@keyframes confetti-fall {
  0% {
    opacity: 1;
    transform: translate3d(0, -30px, 0) rotate(0deg);
  }

  100% {
    opacity: 0;
    transform: translate3d(var(--sway, 20px), 110vh, 0) rotate(760deg);
  }
}

@keyframes happy-card {
  0%,
  100% {
    transform: rotate(0deg) scale(1);
  }

  35% {
    transform: rotate(-1deg) scale(1.01);
  }

  70% {
    transform: rotate(1deg) scale(1.006);
  }
}

@keyframes catchable-pulse {
  0% {
    transform: rotate(-2deg) scale(1.02);
  }

  100% {
    transform: rotate(2deg) scale(1.08);
  }
}

@keyframes convert-to-yes {
  0% {
    transform: rotate(-2deg) scale(1.05);
  }

  55% {
    transform: rotate(8deg) scale(1.16);
  }

  100% {
    transform: rotate(0deg) scale(1.02);
  }
}

@keyframes scare-flash {
  0%,
  100% {
    opacity: 0;
  }

  6%,
  78% {
    opacity: 1;
  }
}

@keyframes scare-pop {
  0% {
    filter: contrast(1.8);
    transform: scale(0.22) rotate(-14deg);
  }

  10% {
    transform: scale(1.16) rotate(4deg);
  }

  28% {
    transform: scale(0.98) rotate(-2deg);
  }

  70% {
    filter: contrast(1.08);
    transform: scale(1.04) rotate(1deg);
  }

  100% {
    filter: contrast(1);
    transform: scale(0.72) rotate(0deg);
  }
}

@keyframes page-shake {
  0%,
  100% {
    transform: translate(0, 0);
  }

  12% {
    transform: translate(-10px, 7px);
  }

  24% {
    transform: translate(9px, -6px);
  }

  36% {
    transform: translate(-8px, -8px);
  }

  48% {
    transform: translate(7px, 8px);
  }

  60% {
    transform: translate(-5px, 5px);
  }
}

@media (max-width: 720px) {
  .page {
    align-items: start;
    padding-top: 20px;
  }

  .invite {
    padding: 28px 22px;
  }

  .stamp-strip {
    margin-bottom: 28px;
  }

  .stamp {
    width: 54px;
  }

  h1 {
    font-size: clamp(2.85rem, 15vw, 4.6rem);
  }

  .date-details {
    grid-template-columns: 1fr;
  }

  .date-details div {
    padding: 16px 0;
  }

  .date-details div + div {
    padding-left: 0;
    border-top: 1px solid rgba(33, 21, 29, 0.12);
    border-left: 0;
  }

  .actions {
    align-items: stretch;
  }

  .btn-yes {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}