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

    html {
      height: 100%;
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      overflow-x: hidden !important;
    }

    body {
      height: 100vh;
      width: 100%;
      max-width: 100%;
      position: relative;
      overflow: hidden;
      overflow-x: hidden !important;
      -webkit-touch-callout: none;
      -webkit-user-select: none;
      -ms-user-select: none;
      user-select: none;
    }

    .background-image {
      position: absolute;
      width: 100%;
      max-width: 100%;
      height: 100vh;
      object-fit: cover;
      object-position: center;
      transition: transform 0.3s ease;
      z-index: 1;
    }

    .corner-image {
      position: absolute;
      width: 60vw;
      max-width: 60%;
      height: 60vh;
      object-fit: cover;
      transition: transform 0.3s ease;
      z-index: 1;
    }

    .corner-image-right {
      position: absolute;
      width: 90vw;
      max-width: 90%;
      height: 90vh;
      object-fit: cover;
      transition: transform 0.3s ease;
      z-index: 1;
    }

    .bottom-left-right {
      position: absolute;
      width: 45vw;
      max-width: 45%;
      height: 45vh;
      bottom: 0;
      right: 0;
      object-fit: cover;
      transition: transform 0.3s ease;
      z-index: 2;
      transform: rotate(-5deg);
      transform-origin: bottom right;
    }


    .heart1 {
      position: absolute;
      width: 30vw;
      height: 53vh;
      bottom: -8vh;
      right: 5vh;
      object-fit: cover;
      transition: transform 0.3s ease;
      z-index: 1;
    }

    .heart2 {
      position: absolute;
      width: 20vw;
      height: 34vh;
      bottom: 35vh;
      right: 22vh;
      object-fit: cover;
      transition: transform 0.3s ease;
      z-index: 1;
      transform: rotate(-19deg);
    }

    /* Bottom-left corner decoration */
    .bottom-left {
      bottom: 0vh;
      left: 0;
      transform-origin: top left;
    }

    .bottom-right {
      bottom: 0;
      right: 0;
      transform-origin: bottom right;
    }


    /* Top-left corner decoration */
    .top-left {
      top: -15vh;
      left: -25vw;
      transform-origin: bottom left;
    }




    /* ---------- Page Load & Dynamic Animations ---------- */
    /* Custom CSS properties for rotation and scaling without transform conflicts */
    @property --scale {
      syntax: '<number>';
      inherits: false;
      initial-value: 1;
    }

    /* Custom properties for gift box lid animation interpolation */
    @property --lidY {
      syntax: '<length-percentage>';
      inherits: false;
      initial-value: 0px;
    }

    @property --lidRot {
      syntax: '<angle>';
      inherits: false;
      initial-value: 0deg;
    }

    /* Heart elements: use --rot for angle, --scale for heartbeat animation */
    .heart1,
    .heart2 {
      transform: rotate(var(--rot, 0deg)) scale(var(--scale, 1));
      transform-origin: center;
    }

    /* Set individual angles for heart elements */
    .heart1 {
      --rot: 0deg;
    }

    .heart2 {
      --rot: -19deg;
    }

    /* Heartbeat keyframe animation altering --scale */
    @keyframes heartbeat {

      0%,
      100% {
        --scale: 1;
      }

      25% {
        --scale: 1.06;
      }

      50% {
        --scale: 0.98;
      }

      75% {
        --scale: 1.06;
      }
    }

    /* Center Interactive Gift Box Container */
    .boxgift {
      position: absolute;
      top: 60%;
      left: 50%;
      /* Secondary variables for position and rotation offsets */
      --tx: 0;
      --ty: 0;
      --rot: 0deg;
      transform: translate(-50%, -50%) translate(var(--tx), var(--ty)) rotate(var(--rot)) scale(var(--scale, 1));
      z-index: 3;
      width: min(12vw, 110px);
      aspect-ratio: 1 / 1;
      /* Relative boundary for layered gift box components */
      pointer-events: auto;
      cursor: pointer;
    }

    .boxgift .box-gift {
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      width: 100%;
      height: auto;
      object-fit: contain;
      image-rendering: auto;
    }

    /* Gift box base positioned at bottom */
    .boxgift .base {
      bottom: 0;
      z-index: 1;
    }

    /* Gift box lid layered smoothly over base */
    .boxgift .lid {
      bottom: 60%;
      z-index: 2;
      /* Default closed state */
      transform: translateX(-50%) translateY(0) rotate(0deg);
      transform-origin: center;
    }

    /* Gentle idle pulse animation for gift box prior to interaction */
    @keyframes giftPulse {

      0%,
      100% {
        --scale: 1;
      }

      50% {
        --scale: 1.08;
      }
    }

    body.is-loaded .boxgift {
      animation: giftPulse 1.2s ease-in-out .4s infinite;
    }

    /* Lid opening animation */
    @keyframes lidOpenTransform {
      0% {
        transform: translateX(-50%) translateY(0) rotate(0deg);
      }

      60% {
        transform: translateX(-50%) translateY(-58%) rotate(-22deg);
      }

      100% {
        transform: translateX(-50%) translateY(-52%) rotate(-18deg);
      }
    }

    .boxgift.open {
      animation: none;
    }

    .boxgift.open .lid {
      animation: lidOpenTransform .7s ease-out forwards;
    }

    /* Subtle floating motion for decorative corner assets */
    @keyframes floatY {
      0% {
        transform: translateY(0);
      }

      100% {
        transform: translateY(-10px);
      }
    }

    /* Smooth fade-in transition */
    @keyframes fadeIn {
      from {
        opacity: 0;
      }

      to {
        opacity: 1;
      }
    }

    /* Hero headline styling */
    .headline {
      position: absolute;
      top: 20%;
      left: 50%;
      transform: translate(-50%, -50%);
      z-index: 3;
      width: 92vw;
      text-align: center;
      font-family: 'Dancing Script', cursive;
      font-weight: 700;
      font-size: clamp(32px, 7.6vw, 104px);
      line-height: 1.5;
      letter-spacing: 0.2px;
      padding: 0 2vw;
      background: linear-gradient(90deg, #ff77aa, #f70e8e, #b9515f);
      background-size: 300% 100%;
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      filter: drop-shadow(0 6px 18px rgba(255, 105, 180, 0.35));
      opacity: 0;
    }

    @keyframes gradientShift {
      0% {
        background-position: 0% 50%;
      }

      100% {
        background-position: 100% 50%;
      }
    }

    @keyframes glowPulse {

      0%,
      100% {
        filter: drop-shadow(0 6px 18px rgba(255, 105, 180, 0.35));
      }

      50% {
        filter: drop-shadow(0 10px 26px rgba(255, 105, 180, 0.65));
      }
    }

    body.is-loaded .headline {
      animation: fadeIn .9s ease-out .3s forwards, gradientShift 6s linear .9s infinite, glowPulse 2.4s ease-in-out .9s infinite;
    }

    /* Preloader initial hidden state */
    body:not(.is-loaded) .background-image,
    body:not(.is-loaded) .corner-image,
    body:not(.is-loaded) .corner-image-right,
    body:not(.is-loaded) .heart1,
    body:not(.is-loaded) .heart2 {
      opacity: 0;
    }

    /* Page loaded state: trigger entrance sequences */
    body.is-loaded .background-image {
      animation: fadeIn .6s ease-out forwards;
    }

    body.is-loaded .corner-image {
      animation: fadeIn .8s ease-out forwards, floatY 6s ease-in-out .8s infinite alternate;
    }

    body.is-loaded .corner-image-right {
      animation: fadeIn .9s ease-out forwards, floatY 7s ease-in-out .9s infinite alternate;
    }

    /* Synchronized heartbeat animation starting after entrance */
    body.is-loaded .heart1 {
      animation: fadeIn 1s ease-out forwards, heartbeat 1.5s ease-in-out 1.1s infinite;
    }

    /* Responsive: Large Desktop */
    @media (min-width: 1440px) {
      .headline {
        top: 22%;
        font-size: clamp(48px, 5.6vw, 120px);
      }

      .boxgift {
        width: min(14vw, 220px);
        top: 58%;
      }

      .corner-image-right {
        width: 86vw;
        height: 86vh;
        right: -16vh;
      }

      .corner-image.bottom-left {
        left: -16vh;
      }
    }

    /* Responsive: Tablet */
    @media (max-width: 1024px) {
      .headline {
        top: calc(18% + env(safe-area-inset-top, 0px));
        font-size: clamp(28px, 6.2vw, 72px);
      }

      .boxgift {
        width: min(22vw, 140px);
        top: 62%;
      }

      .corner-image {
        width: 64vw;
        height: 54vh;
      }

      .corner-image-right {
        width: 96vw;
        height: 86vh;
        right: -18vh;
      }

      .corner-image.bottom-left {
        left: -22vh;
      }
    }

    /* Responsive: Tablet Portrait / Phablet */
    @media (max-width: 768px) {
      .headline {
        top: calc(17% + env(safe-area-inset-top, 0px));
        font-size: clamp(26px, 7.2vw, 64px);
      }

      .boxgift {
        width: min(40vw, 170px);
        top: 64%;
      }

      .corner-image {
        width: 70vw;
        height: 50vh;
      }

      .corner-image-right {
        width: 110vw;
        height: 92vh;
        right: -24vh;
      }

      .corner-image.bottom-left {
        left: -24vh;
      }

      .heart1 {
        width: 38vw;
        height: auto;
      }

      .heart2 {
        width: 24vw;
        height: auto;
        right: 12vh;
        bottom: 36vh;
      }
    }

    /* Responsive: Mobile */
    @media (max-width: 600px) {
      .headline {
        top: calc(14% + env(safe-area-inset-top, 0px));
        font-size: clamp(24px, 8vw, 42px);
        line-height: 1.25;
        padding: 0 4vw;
      }

      .boxgift {
        width: min(35vw, 130px);
        top: 55%;
      }

      .heart1 {
        width: 52vw;
        height: auto;
        bottom: 3vh;
        right: 0;
      }

      .heart2 {
        width: 28vw;
        height: auto;
        bottom: 20vh;
        right: 8vh;
      }

      .corner-image-right {
        width: 128vw;
        height: 50vh;
        right: -2vh;
      }

      .corner-image.bottom-left {
        left: -6vh;
      }

      /* Hide secondary overlay on mobile */
      .bottom-left-right {
        display: none;
      }
    }


    /* Accessibility: prefers-reduced-motion support */
    @media (prefers-reduced-motion: reduce) {

      /* Reduce ambient motion while preserving core interactions */
      .background-image,
      .corner-image,
      .corner-image-right {
        animation: none !important;
      }
    }

    /* Hide initial UI layer upon gift box opening */
    body.hide-ui .corner-image,
    body.hide-ui .corner-image-right,
    body.hide-ui .bottom-left-right,
    body.hide-ui .heart1,
    body.hide-ui .heart2,
    body.hide-ui .headline,
    body.hide-ui .boxgift {
      opacity: 0 !important;
      pointer-events: none !important;
      transition: opacity .4s ease !important;
    }

    /* Final cleanup state: dismiss letter scene */
    body.final-hide #letterScene {
      display: none !important;
    }

    /* Utility hidden class */
    .is-hidden {
      display: none !important;
    }

    /* Central preloader spinner */
    #pageLoader {
      position: absolute;
      inset: 0;
      z-index: 1000;
      display: none;
      align-items: center;
      justify-content: center;
      background: rgba(0, 0, 0, .45);
    }

    #pageLoader.show {
      display: flex;
    }

    #pageLoader .wrap {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 14px;
    }

    #pageLoader .spinner {
      width: 64px;
      height: 64px;
      border: 6px solid rgba(211, 7, 234, 0.35);
      border-top-color: #a317a5;
      border-radius: 50%;
      animation: spin 1s linear infinite;
    }

    #pageLoader .text {
      color: hsl(296, 97%, 65%);
      font-family: system-ui, sans-serif;
      font-size: 20px;
      text-align: center;
      padding: 0 16px;
    }

    @keyframes spin {
      to {
        transform: rotate(360deg);
      }
    }

    /* ---------- INTERACTIVE LETTER & ENVELOPE SCENE ---------- */
    /* Encapsulated container for the letter & envelope reveal */
    #letterScene {
      position: absolute;
      inset: 0;
      z-index: 10;
      display: none;
    }

    #letterScene .container {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 97vh;
    }

    #letterScene .container svg {
      width: 50%;
      height: 50%;
    }

    #letterScene * {
      margin: 0;
      padding: 0;
    }

    #letterScene .body-letter {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      background-color: transparent;
    }

    #letterScene .letter {
      position: relative;
      z-index: 1;
    }

    #letterScene .valentines {
      position: relative;
      top: 50px;
      cursor: pointer;
      animation: up 3s linear infinite;
    }

    @keyframes up {

      0%,
      100% {
        transform: translateY(0);
      }

      50% {
        transform: translateY(-30px);
      }
    }

    #letterScene .envelope {
      position: relative;
      width: 300px;
      height: 200px;
      background-color: #f08080;
    }

    #letterScene .envelope:before {
      background-color: #f08080;
      content: "";
      position: absolute;
      width: 212px;
      height: 212px;
      transform: rotate(45deg);
      top: -105px;
      left: 44px;
      border-radius: 30px 0 0 0;
    }

    #letterScene .card {
      position: absolute;
      background-color: #eae2b7;
      width: 270px;
      height: 170px;
      top: 5px;
      left: 15px;
      box-shadow: -5px -5px 100px rgba(0, 0, 0, 0.4);
    }

    #letterScene .card:before {
      content: "";
      position: absolute;
      border: 3px dotted #003049;
      width: 240px;
      height: 140px;
      left: 12px;
      top: 12px;
    }

    #letterScene .text {
      position: absolute;
      font-family: 'Brush Script MT', cursive;
      font-size: 30px;
      text-align: center;
      line-height: 25px;
      top: 19px;
      left: 85px;
      color: #003049;
    }

    #letterScene .heart {
      background-color: #d62828;
      display: inline-block;
      height: 30px;
      margin: 0 10px;
      position: relative;
      top: 110px;
      left: 105px;
      transform: rotate(-45deg);
      width: 30px;
    }

    #letterScene .heart:before,
    #letterScene .heart:after {
      content: "";
      background-color: #d62828;
      border-radius: 50%;
      height: 30px;
      position: absolute;
      width: 30px;
    }

    #letterScene .heart:before {
      top: -15px;
      left: 0;
    }

    #letterScene .heart:after {
      left: 15px;
      top: 0;
    }

    #letterScene .hearts {
      position: absolute;
      top: 0;
    }

    #letterScene .one,
    #letterScene .two,
    #letterScene .three,
    #letterScene .four,
    #letterScene .five {
      background-color: red;
      display: inline-block;
      height: 10px;
      margin: 0 10px;
      position: relative;
      transform: rotate(-45deg);
      width: 10px;
      top: 50px;
    }

    #letterScene .one:before,
    #letterScene .one:after,
    #letterScene .two:before,
    #letterScene .two:after,
    #letterScene .three:before,
    #letterScene .three:after,
    #letterScene .four:before,
    #letterScene .four:after,
    #letterScene .five:before,
    #letterScene .five:after {
      content: "";
      background-color: red;
      border-radius: 50%;
      height: 10px;
      position: absolute;
      width: 10px;
    }

    #letterScene .one:before,
    #letterScene .two:before,
    #letterScene .three:before,
    #letterScene .four:before,
    #letterScene .five:before {
      top: -5px;
      left: 0;
    }

    #letterScene .one:after,
    #letterScene .two:after,
    #letterScene .three:after,
    #letterScene .four:after,
    #letterScene .five:after {
      left: 5px;
      top: 0;
    }

    #letterScene .one {
      left: 10px;
      animation: heart 1s ease-out infinite;
    }

    #letterScene .two {
      left: 30px;
      animation: heart 2s ease-out infinite;
    }

    #letterScene .three {
      left: 50px;
      animation: heart 1.5s ease-out infinite;
    }

    #letterScene .four {
      left: 70px;
      animation: heart 2.3s ease-out infinite;
    }

    #letterScene .five {
      left: 90px;
      animation: heart 1.7s ease-out infinite;
    }

    @keyframes heart {
      0% {
        transform: translateY(0) rotate(-45deg) scale(0.3);
        opacity: 1;
      }

      100% {
        transform: translateY(-150px) rotate(-45deg) scale(1.3);
        opacity: 0.5;
      }
    }

    #letterScene .front {
      position: absolute;
      border-right: 180px solid #f4978e;
      border-top: 95px solid transparent;
      border-bottom: 100px solid transparent;
      left: 120px;
      top: 5px;
      width: 0;
      height: 0;
      z-index: 10;
    }

    #letterScene .front:before {
      position: absolute;
      content: "";
      border-left: 300px solid #f8ad9d;
      border-top: 195px solid transparent;
      left: -120px;
      top: -95px;
      width: 0;
      height: 0;
    }

    #letterScene .shadow {
      position: absolute;
      width: 330px;
      height: 25px;
      border-radius: 50%;
      background-color: rgba(0, 0, 0, 0.3);
      top: 265px;
      left: -15px;
      animation: scale 3s linear infinite;
      z-index: -1;
    }

    @keyframes scale {

      0%,
      100% {
        transform: scaleX(1);
      }

      50% {
        transform: scaleX(0.85);
      }
    }

    #letterScene .hover-animation {
      animation: hover 1.75s ease-in-out infinite;
    }

    #letterScene #castle {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      background-color: transparent;
    }

    #letterScene .dustDef {
      position: absolute;
      background-color: white;
      border-radius: 100%;
      box-shadow: 0 0 3px 1px white;
      opacity: 0;
    }

    @keyframes hover {
      0% {
        margin-top: 60px;
      }

      50% {
        margin-top: 50px;
      }

      100% {
        margin-top: 60px;
      }
    }

    @keyframes glow {
      0% {
        box-shadow: 0 0 25px 0 #e8b2ca;
      }

      50% {
        box-shadow: 0 0 45px 0 #e8b2ca;
      }

      100% {
        box-shadow: 0 0 25px 0 #e8b2ca;
      }
    }

    @keyframes fall {
      5% {
        top: 209px;
        left: 105px;
        transform: rotate(55deg) scale(0.9, 0.95) skew(-18deg);
        opacity: .9;
      }

      30% {
        left: 90px;
      }

      55% {
        left: 130px;
      }

      60%,
      100% {
        top: 380px;
        transform: rotate(30deg) scale(0.9, 0.95) skew(-32deg);
        opacity: 0;
      }
    }

    @keyframes floatAnimate {
      0% {
        background-size: 105% 120%;
        background-position: 0 0;
        opacity: .7;
      }

      50% {
        background-size: 100% 100%;
        background-position: 0 0;
        opacity: .5;
      }

      100% {
        background-size: 105% 120%;
        background-position: 0 0;
        opacity: .7;
      }
    }

    #letterScene svg {
      width: 80%;
      display: block;
      position: absolute;
      margin: auto;
      top: 0;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 1;
    }

    #letterScene text {
      fill: #e6668a;
      font-family: consolas;
      font-size: 9px;
    }

    #letterScene p {
      position: absolute;
      z-index: 2;
    }

    #letterScene label {
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      opacity: .8;
    }

    #letterScene .wrapperLetterForm {
      position: absolute;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      z-index: 1000;
      background: rgba(0, 0, 0, 0.7);
      display: none;
    }

    #letterScene .boxLetter {
      width: 100%;
      height: 100%;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    #letterScene .boxLetter .formLetter {
      position: relative;
      width: 600px;
      max-width: 92vw;
      height: 350px;
      background-color: #FFEBEB;
      border-radius: 20px;
      z-index: 100;
      padding: 20px 15px;
      box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
    }

    #letterScene .formLetter .wrapperLetter {
      position: relative;
      width: 100%;
      height: 100%;
      border: 2px dashed #FF6666;
      border-radius: inherit;
      display: flex;
    }

    #letterScene .boxLetter .before {
      position: absolute;
      width: 600px;
      max-width: 92vw;
      height: 350px;
      background: #fff;
      transform: rotate(-15deg);
      border-radius: 20px;
      z-index: 10;
    }

    #letterScene .formLetter .heartLetter {
      position: absolute;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: #FFEBEB;
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 10;
    }

    #letterScene .heartLetter .heartLetterItem {
      position: relative;
      width: 10px;
      height: 10px;
      transform: rotate(45deg);
      background: #FF6666;
    }

    #letterScene .heartLetter:first-child {
      right: 5px;
      top: 10px;
    }

    #letterScene .heartLetter:nth-child(2) {
      left: 5px;
      bottom: 10px;
    }

    #letterScene .heartLetterItem::before,
    #letterScene .heartLetterItem::after {
      position: absolute;
      content: '';
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background: inherit;
    }

    #letterScene .heartLetterItem::before {
      top: -50%;
    }

    #letterScene .heartLetterItem::after {
      left: -50%;
    }

    #letterScene .giftbox {
      position: relative;
      width: 40%;
      height: 100%;
    }

    #letterScene .giftbox .img {
      position: absolute;
      width: 160px;
      bottom: -10px;
      left: 0;
      z-index: 100;
    }

    #letterScene .giftbox img {
      width: 100%;
    }

    #letterScene .textLetter {
      width: 100%;
      flex-direction: column;
      justify-content: center;
      display: flex;
      align-items: center;
      user-select: none;
    }

    #letterScene .textLetter h2 {
      font-size: 30px;
      font-weight: 700;
      font-family: 'Dancing Script', cursive;
    }

    #letterScene .textLetter .contentLetter {
      font-size: 19px;
      text-align: center;
      padding: 0 30px;
      margin-top: 10px;
      font-family: 'Dancing Script', cursive;
      position: initial;
      word-break: break-word;
      overflow-wrap: anywhere;
      white-space: pre-wrap;
      max-height: 55vh;
      overflow-y: auto;
      -webkit-overflow-scrolling: touch;
    }

    #letterScene .fa-xmark {
      position: absolute;
      right: 20px;
      top: 20px;
      color: #fff;
      cursor: pointer;
      font-size: 25px;
    }

    /* Next stage action button positioned cleanly beneath the letter card */
    #letterScene .letterNextBtn {
      position: absolute;
      right: 25px;
      bottom: -46px;
      z-index: 120;
      padding: 9px 24px;
      border-radius: 50px;
      border: none;
      cursor: pointer;
      background: linear-gradient(135deg, #ff4e83 0%, #ff758c 100%);
      color: #fff;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: 'Outfit', sans-serif;
      font-size: 14.5px;
      font-weight: 700;
      box-shadow: 0 8px 22px rgba(255, 78, 131, 0.5);
      animation: nextBtnPulse 1.8s infinite ease-in-out;
      transition: all 0.2s ease;
    }

    #letterScene .letterNextBtn:hover {
      transform: scale(1.06);
      box-shadow: 0 10px 26px rgba(255, 78, 131, 0.65);
    }

    #letterScene .letterNextBtn:active {
      transform: scale(0.96);
    }

    @keyframes nextBtnPulse {
      0%, 100% { transform: scale(1); box-shadow: 0 8px 22px rgba(255, 78, 131, 0.5); }
      50% { transform: scale(1.06); box-shadow: 0 12px 28px rgba(255, 78, 131, 0.7); }
    }

    /* Envelope tap hint */
    .envelope-hint {
      position: absolute;
      bottom: -45px;
      left: 50%;
      transform: translateX(-50%);
      white-space: nowrap;
      background: rgba(255, 255, 255, 0.92);
      color: #ff3366;
      font-family: 'Outfit', sans-serif;
      font-size: 13.5px;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 50px;
      box-shadow: 0 6px 16px rgba(255, 78, 131, 0.3);
      animation: hintBob 1.5s infinite ease-in-out;
      pointer-events: none;
      z-index: 15;
    }

    @keyframes hintBob {
      0%, 100% { transform: translateX(-50%) translateY(0); }
      50% { transform: translateX(-50%) translateY(-6px); }
    }

    #letterScene .show {
      display: block;
    }

    #letterScene .heartAnimation {
      position: absolute;
      width: 150px;
      bottom: 0;
    }

    #letterScene .heartAnimation img {
      width: 100%;
    }

    #letterScene .mewmew1,
    #letterScene .mewmew2 {
      position: absolute;
      width: 90px;
    }

    #letterScene .mewmew1 {
      bottom: 0;
      left: 0;
    }

    #letterScene .mewmew2 {
      bottom: 0;
      right: 0;
    }

    #letterScene .mewmew1 img,
    #letterScene .mewmew2 img {
      width: 100%;
    }

    #letterScene .signature {
      position: absolute;
      bottom: 12px;
      right: 28px;
      font-weight: 700;
      font-family: 'Dancing Script', cursive;
      font-size: 20px;
      color: #ff4e83;
      font-style: italic;
      text-align: right;
      z-index: 5;
    }

    @media (max-width: 480px) {
      #letterScene .letterNextBtn {
        bottom: -46px;
        right: 50%;
        transform: translateX(50%);
        padding: 8px 20px;
        font-size: 14px;
      }

      #letterScene .boxLetter .formLetter {
        width: 92vw;
        height: auto;
        max-height: 80vh;
      }

      #letterScene .formLetter .wrapperLetter {
        overflow: hidden;
      }

      #letterScene .giftbox {
        display: none;
      }

      #letterScene .textLetter {
        padding: 6px 4px;
      }

      #letterScene .textLetter h2 {
        font-size: 24px;
      }

      #letterScene .textLetter .contentLetter {
        font-size: 16px;
        max-height: 58vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: 0 12px;
      }

      #letterScene .heartAnimation {
        position: static;
        width: 120px;
        margin: 8px auto 0;
      }

      #letterScene .signature {
        right: 35px;
        bottom: 8px;
        font-size: 16px;
      }

      #giftOverlay .caption {
        bottom: 16vh;
      }
    }

    /* ==========================================================
       BIRTHDAY JOURNEY ENHANCEMENTS (CAKE, POLAROIDS, SCRATCH, FINALE)
       ========================================================== */
    #birthdayJourneyContainer {
      position: fixed;
      inset: 0;
      width: 100vw;
      height: 100vh;
      z-index: 9999;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 16px;
      font-family: 'Outfit', sans-serif;
      box-sizing: border-box;
      overflow-y: auto;
      -webkit-overflow-scrolling: touch;
    }

    .journey-backdrop {
      position: fixed;
      inset: 0;
      background: radial-gradient(circle at center, rgba(255, 235, 245, 0.45) 0%, rgba(255, 180, 210, 0.3) 60%, rgba(30, 10, 25, 0.4) 100%);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      z-index: -1;
    }

    .journey-card {
      width: 100%;
      max-width: 490px;
      background: rgba(255, 255, 255, 0.90);
      backdrop-filter: blur(25px);
      -webkit-backdrop-filter: blur(25px);
      border-radius: 32px;
      padding: 26px 22px 22px;
      text-align: center;
      box-shadow: 0 30px 70px rgba(255, 105, 180, 0.3), 0 0 40px rgba(255, 182, 193, 0.35);
      border: 2px solid rgba(255, 255, 255, 0.95);
      box-sizing: border-box;
      position: relative;
      margin: auto;
      will-change: transform, opacity;
    }

    .stage-enter-active {
      animation: smoothStageIn 0.5s cubic-bezier(0.2, 0.9, 0.3, 1) forwards;
    }

    .stage-exit-active {
      animation: smoothStageOut 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    }

    @keyframes smoothStageIn {
      0% {
        opacity: 0;
        transform: translateY(22px) scale(0.96);
      }
      100% {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }

    @keyframes smoothStageOut {
      0% {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
      100% {
        opacity: 0;
        transform: translateY(-20px) scale(0.96);
      }
    }

    .stage-tag {
      display: inline-block;
      padding: 5px 14px;
      border-radius: 50px;
      background: linear-gradient(135deg, #ffeef4 0%, #ffd1dc 100%);
      color: #ff3366;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 10px;
      border: 1px solid rgba(255, 51, 102, 0.15);
    }

    .stage-title {
      font-family: 'Playfair Display', serif;
      font-size: 24px;
      font-weight: 700;
      color: #2b1025;
      margin-bottom: 6px;
    }

    .stage-subtitle {
      font-size: 13.5px;
      color: #7a6375;
      margin-bottom: 14px;
      line-height: 1.4;
    }

    .journey-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      background: linear-gradient(135deg, #ff4e83 0%, #ff758c 100%);
      color: #fff;
      font-family: 'Outfit', sans-serif;
      font-size: 15.5px;
      font-weight: 600;
      padding: 12px 26px;
      border-radius: 50px;
      border: none;
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(255, 78, 131, 0.4);
      transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      margin-top: 14px;
      user-select: none;
    }

    .journey-btn:hover {
      transform: translateY(-2px) scale(1.03);
      box-shadow: 0 12px 25px rgba(255, 78, 131, 0.55);
    }

    .journey-btn:active {
      transform: translateY(1px) scale(0.98);
    }

    .journey-btn.secondary-btn {
      background: #fff;
      color: #ff4e83;
      border: 2px solid #ffd1dc;
      box-shadow: 0 4px 12px rgba(255, 105, 180, 0.15);
    }

    /* --- STAGE 1: 3D REALISTIC CAKE & CANDLE --- */
    .cake-wrapper-3d {
      position: relative;
      width: 280px;
      height: 270px;
      margin: 4px auto 10px;
      cursor: pointer;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .cake-3d-img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      filter: drop-shadow(0 15px 30px rgba(255, 105, 180, 0.35));
      transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .cake-wrapper-3d:hover .cake-3d-img {
      transform: scale(1.03);
    }

    /* Interactive realistic candle flame overlay */
    .flame-overlay-3d {
      position: absolute;
      top: 16px;
      left: 50%;
      transform: translateX(-50%);
      width: 22px;
      height: 38px;
      background: radial-gradient(ellipse at bottom, #ffffff 0%, #fff7a1 20%, #ff8c00 70%, #ff2200 100%);
      border-radius: 50% 50% 35% 35%;
      box-shadow: 0 0 25px #ffbb00, 0 0 45px #ff5500, 0 0 70px rgba(255, 200, 0, 0.8);
      animation: flameFlicker3D 0.5s infinite alternate ease-in-out;
      transform-origin: center bottom;
      transition: opacity 0.4s ease, transform 0.4s ease;
      z-index: 10;
    }

    @keyframes flameFlicker3D {
      0% { transform: translateX(-50%) scale(1) rotate(-2deg); opacity: 0.92; }
      100% { transform: translateX(-50%) scale(1.15, 1.25) rotate(2.5deg); opacity: 1; filter: drop-shadow(0 0 20px #ffea00); }
    }

    .flame-overlay-3d.blown-out {
      opacity: 0 !important;
      transform: translateX(-50%) scale(0.1) translateY(-15px) !important;
    }

    .smoke-3d {
      position: absolute;
      top: 15px;
      left: 50%;
      transform: translateX(-50%);
      width: 10px;
      height: 10px;
      background: rgba(220, 220, 220, 0.85);
      border-radius: 50%;
      opacity: 0;
      pointer-events: none;
      z-index: 15;
    }

    .smoke-3d.active {
      animation: smokeRise3D 1.8s forwards ease-out;
    }

    @keyframes smokeRise3D {
      0% { opacity: 0.9; transform: translateX(-50%) scale(1) translate(0, 0); }
      50% { opacity: 0.6; transform: translateX(-50%) scale(4) translate(-12px, -30px); }
      100% { opacity: 0; transform: translateX(-50%) scale(7) translate(18px, -70px); }
    }

    .tap-hint-3d {
      position: absolute;
      bottom: 2px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, #ff477e 0%, #ff758c 100%);
      color: #fff;
      padding: 6px 16px;
      border-radius: 50px;
      font-size: 12px;
      font-weight: 600;
      white-space: nowrap;
      box-shadow: 0 6px 16px rgba(255, 71, 126, 0.4);
      animation: pulseTap3D 1.6s infinite;
      z-index: 5;
    }

    @keyframes pulseTap3D {
      0%, 100% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.06); }
    }

    .wish-celebration-text {
      background: #fff8fa;
      border: 1px dashed #ff8da1;
      padding: 12px 16px;
      border-radius: 16px;
      margin-top: 12px;
      animation: fadeInUp 0.5s ease;
    }

    .wish-celebration-text h3 {
      font-family: 'Playfair Display', serif;
      color: #ff3366;
      font-size: 18px;
      margin-bottom: 4px;
    }

    .wish-celebration-text p {
      font-size: 13px;
      color: #555;
      margin: 0;
    }

    /* --- STAGE 2: POLAROID MEMORIES (PHYSICS STACK) --- */
    .polaroid-deck {
      position: relative;
      width: 275px;
      height: 345px;
      margin: 8px auto 14px;
      perspective: 1000px;
    }

    .polaroid-card {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: #ffffff;
      border-radius: 14px;
      padding: 14px 14px 18px;
      box-sizing: border-box;
      box-shadow: 0 16px 35px rgba(0, 0, 0, 0.12), 0 3px 10px rgba(0,0,0,0.06);
      transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.5s ease, filter 0.5s ease;
      opacity: 0;
      transform: scale(0.88) translateY(20px) rotate(5deg);
      pointer-events: none;
      display: flex;
      flex-direction: column;
      will-change: transform, opacity;
    }

    .polaroid-card.active {
      opacity: 1;
      transform: scale(1) translateY(0) rotate(-1.5deg);
      pointer-events: auto;
      z-index: 10;
      filter: blur(0);
    }

    .polaroid-card.swiped-out {
      opacity: 0;
      transform: translateX(-125%) rotate(-25deg) scale(0.82);
      filter: blur(2px);
      z-index: 20;
    }

    .washi-tape {
      position: absolute;
      top: -10px;
      left: 50%;
      transform: translateX(-50%) rotate(2deg);
      width: 80px;
      height: 22px;
      background: rgba(255, 182, 193, 0.7);
      border-left: 2px dashed rgba(255, 105, 180, 0.4);
      border-right: 2px dashed rgba(255, 105, 180, 0.4);
      box-shadow: 0 2px 4px rgba(0,0,0,0.08);
      z-index: 10;
    }

    .washi-pink { background: rgba(255, 105, 180, 0.6); }
    .washi-gold { background: rgba(255, 215, 0, 0.65); }
    .washi-sparkle { background: rgba(255, 138, 174, 0.75); }

    .polaroid-img-wrap {
      width: 100%;
      height: 230px;
      border-radius: 8px;
      overflow: hidden;
      background: #f5f5f5;
    }

    .polaroid-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center top;
      transition: transform 0.4s ease;
    }

    .polaroid-caption {
      font-family: 'Dancing Script', cursive;
      font-size: 18px;
      font-weight: 700;
      color: #333;
      margin: 10px 0 2px;
      line-height: 1.2;
    }

    .polaroid-tag {
      font-size: 11px;
      color: #ff477e;
      font-weight: 600;
    }

    .polaroid-dots {
      display: flex;
      justify-content: center;
      gap: 6px;
      margin-bottom: 8px;
    }

    .polaroid-dots .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #ffd1dc;
      transition: all 0.3s ease;
    }

    .polaroid-dots .dot.active {
      width: 22px;
      border-radius: 10px;
      background: #ff477e;
    }

    /* --- STAGE 3: SCRATCH CARDS (LUXURY VOUCHERS) --- */
    .scratch-grid {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin: 16px 0;
    }

    .scratch-card {
      position: relative;
      width: 100%;
      height: 108px;
      perspective: 1000px;
      cursor: pointer;
    }

    .scratch-inner {
      position: relative;
      width: 100%;
      height: 100%;
      transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
      transform-style: preserve-3d;
      border-radius: 18px;
    }

    .scratch-card.revealed .scratch-inner {
      transform: rotateY(180deg);
    }

    .scratch-front, .scratch-back {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      backface-visibility: hidden;
      border-radius: 18px;
      box-sizing: border-box;
    }

    .scratch-front {
      background: linear-gradient(135deg, #ff8da1 0%, #ff6b8b 50%, #ffa5b9 100%);
      border: 2px dashed rgba(255, 255, 255, 0.9);
      box-shadow: 0 8px 20px rgba(255, 107, 139, 0.35);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 18px;
      position: relative;
      overflow: hidden;
    }

    .scratch-front::after {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: linear-gradient(60deg, transparent 30%, rgba(255,255,255,0.4) 50%, transparent 70%);
      transform: rotate(30deg);
      animation: shimmerFoil 3s infinite linear;
      pointer-events: none;
    }

    @keyframes shimmerFoil {
      0% { transform: translateX(-100%) rotate(30deg); }
      100% { transform: translateX(100%) rotate(30deg); }
    }

    .scratch-front-left {
      display: flex;
      align-items: center;
      gap: 12px;
      text-align: left;
    }

    .scratch-front .card-icon-wrap {
      width: 46px;
      height: 46px;
      background: rgba(255, 255, 255, 0.3);
      backdrop-filter: blur(8px);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
      flex-shrink: 0;
    }

    .scratch-front .card-hint-title {
      font-family: 'Outfit', sans-serif;
      font-weight: 700;
      color: #ffffff;
      font-size: 16px;
      margin: 0;
      text-shadow: 0 1px 3px rgba(0,0,0,0.15);
    }

    .scratch-front .card-hint-sub {
      font-size: 12px;
      color: #fff0f3;
      margin-top: 2px;
    }

    .scratch-badge {
      background: #ffffff;
      color: #ff3366;
      font-family: 'Outfit', sans-serif;
      font-size: 11px;
      font-weight: 700;
      padding: 7px 14px;
      border-radius: 50px;
      letter-spacing: 0.5px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      animation: pulseBadge 1.8s infinite;
      white-space: nowrap;
      flex-shrink: 0;
    }

    @keyframes pulseBadge {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.05); }
    }

    .scratch-back {
      background: #ffffff;
      border: 2px solid #ff4e83;
      transform: rotateY(180deg);
      box-shadow: 0 10px 25px rgba(255, 78, 131, 0.22);
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      padding: 10px 18px;
    }

    .scratch-back-tag {
      font-size: 10.5px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.8px;
      color: #ff3366;
      background: #fff0f5;
      padding: 2px 8px;
      border-radius: 10px;
      margin-bottom: 4px;
    }

    .scratch-back h4 {
      font-family: 'Playfair Display', serif;
      font-size: 15.5px;
      font-weight: 700;
      color: #ff3366;
      margin: 0 0 4px;
    }

    .scratch-back p {
      font-family: 'Outfit', sans-serif;
      font-size: 12.5px;
      font-weight: 500;
      color: #3b1828;
      margin: 0;
      line-height: 1.35;
    }

    /* --- STAGE 4: GRAND FINALE --- */
    .finale-crown {
      font-size: 42px;
      margin-bottom: 8px;
      animation: crownFloat 2s infinite ease-in-out alternate;
    }

    @keyframes crownFloat {
      0% { transform: translateY(0) rotate(-4deg); }
      100% { transform: translateY(-8px) rotate(4deg); }
    }

    .finale-title {
      font-family: 'Playfair Display', serif;
      font-size: 28px;
      color: #ff3366;
      margin-bottom: 12px;
    }

    .finale-text {
      font-family: 'Dancing Script', cursive;
      font-size: 20px;
      font-weight: 700;
      color: #4a1937;
      line-height: 1.4;
      margin-bottom: 18px;
      padding: 0 10px;
    }

    .floating-hearts-cluster {
      display: flex;
      justify-content: center;
      gap: 14px;
      font-size: 24px;
      margin: 14px 0 6px;
    }

    .cluster-heart {
      animation: clusterBounce 1.5s infinite alternate ease-in-out;
    }

    .cluster-heart:nth-child(2) { animation-delay: 0.2s; }
    .cluster-heart:nth-child(3) { animation-delay: 0.4s; }
    .cluster-heart:nth-child(4) { animation-delay: 0.6s; }
    .cluster-heart:nth-child(5) { animation-delay: 0.8s; }

    @keyframes clusterBounce {
      0% { transform: translateY(0) scale(1); }
      100% { transform: translateY(-10px) scale(1.2); }
    }

    .finale-actions {
      display: flex;
      flex-direction: column;
      gap: 10px;
      align-items: center;
      margin-top: 10px;
    }

    @media (max-width: 480px) {
      .journey-card {
        padding: 20px 16px 18px;
        border-radius: 22px;
      }
      .stage-title { font-size: 22px; }
      .polaroid-deck { width: 240px; height: 310px; }
      .polaroid-img-wrap { height: 200px; }
      .scratch-front .card-hint { font-size: 14px; }
      .scratch-badge { font-size: 10px; padding: 4px 8px; }
      .scratch-back p { font-size: 14px; }
    }

    /* Floating Balloons & Celebration Atmosphere (Foreground Layer) */
    #celebrationSky {
      position: fixed;
      inset: 0;
      width: 100vw;
      height: 100vh;
      pointer-events: none !important;
      z-index: 99999 !important; /* Always in front of cards and background blur */
      overflow: hidden;
    }

    .floating-balloon {
      position: absolute;
      bottom: -120px;
      pointer-events: none;
      will-change: transform, bottom;
      filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.16));
    }

    .balloon-body {
      width: 48px;
      height: 58px;
      border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
      position: relative;
      box-shadow: inset -4px -6px 12px rgba(0, 0, 0, 0.15), inset 4px 6px 12px rgba(255, 255, 255, 0.45);
    }

    .balloon-body::before {
      content: '';
      position: absolute;
      top: 9px;
      left: 11px;
      width: 11px;
      height: 20px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.75);
      transform: rotate(-35deg);
      filter: blur(0.5px);
    }

    .balloon-knot {
      position: absolute;
      bottom: -5px;
      left: 50%;
      transform: translateX(-50%);
      width: 7px;
      height: 6px;
      background: inherit;
      border-radius: 2px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
    }

    .balloon-string {
      position: absolute;
      bottom: -48px;
      left: 50%;
      transform: translateX(-50%);
      width: 1.5px;
      height: 48px;
      background: rgba(200, 180, 195, 0.75);
      box-shadow: 0 0 2px rgba(0, 0, 0, 0.1);
    }

    /* Heart balloon */
    .heart-balloon {
      font-size: 46px;
      position: relative;
      filter: drop-shadow(0 8px 18px rgba(255, 78, 131, 0.5));
    }

    .heart-balloon .balloon-string {
      bottom: -40px;
      height: 42px;
      background: rgba(255, 105, 180, 0.6);
    }

    /* Floating Petal */
    .floating-petal {
      position: absolute;
      top: -30px;
      width: 18px;
      height: 24px;
      background: linear-gradient(135deg, #ffc0cb 0%, #ff6b8b 100%);
      border-radius: 50% 0 50% 50%;
      opacity: 0.9;
      pointer-events: none;
      filter: drop-shadow(0 4px 8px rgba(255, 105, 180, 0.35));
    }