:root {
  color-scheme: light;
  --paper: #fffaf5;
  --ink: #59413c;
  --muted: #9b7972;
  --pink: #ef9ca8;
  --pink-dark: #c75872;
  --coral: #e98773;
  --mint: #c8e5d8;
  --cream: #ffe8c7;
  --serif: "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--paper);
}

body {
  position: relative;
  display: flex;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  color: var(--ink);
  background:
    radial-gradient(ellipse at 50% 40%, rgba(255, 229, 213, 0.4), transparent 55%),
    var(--paper);
  font-family: var(--sans);
}

button {
  font: inherit;
}

button:focus-visible {
  outline: 3px solid #d87883;
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

.paper-texture {
  position: fixed;
  z-index: 0;
  inset: 0;
  background-image:
    radial-gradient(rgba(159, 119, 99, 0.12) 0.55px, transparent 0.7px),
    radial-gradient(rgba(236, 173, 151, 0.12) 0.65px, transparent 0.8px);
  background-position: 0 0, 7px 9px;
  background-size: 15px 15px, 19px 19px;
  opacity: 0.26;
  pointer-events: none;
}

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

.sparkle {
  position: absolute;
  bottom: -1rem;
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background: #e6a369;
  box-shadow: 0 0 8px 2px rgba(238, 168, 139, 0.45);
  opacity: 0;
  animation: float-sparkle var(--duration) var(--delay) infinite ease-in-out;
}

.page-shell {
  position: relative;
  z-index: 1;
  display: flex;
  width: min(100% - 2rem, 820px);
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 0 1rem;
}

.page-heading {
  position: relative;
  z-index: 1;
  text-align: center;
  animation: fade-up 850ms both;
}

.eyebrow {
  margin: 0 0 0.4rem;
  color: #b66b75;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow span {
  padding: 0 0.35rem;
  color: #eaa66f;
}

h1,
h2 {
  font-family: var(--serif);
  font-weight: 400;
}

h1 {
  margin: 0;
  color: #6d4a47;
  font-size: clamp(2.7rem, 6.1vw, 3.8rem);
  letter-spacing: -0.055em;
  line-height: 0.94;
}

h1 span {
  color: #dc7e87;
  font-style: italic;
}

.welcome-copy {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.06rem;
  font-style: italic;
}

.birthday-scene {
  position: relative;
  width: min(100%, 720px);
  height: clamp(470px, 65vh, 520px);
  margin: 1.5rem auto 0;
  isolation: isolate;
  animation: fade-up 900ms 100ms both;
}

.ground-line {
  position: absolute;
  right: 5%;
  bottom: 40px;
  left: 5%;
  height: 3px;
  border-radius: 50%;
  background: linear-gradient(90deg, transparent, #b99576 10%, #b99576 90%, transparent);
  opacity: 0.7;
}

.cake-tower {
  position: absolute;
  z-index: 2;
  bottom: 40px;
  left: 50%;
  width: 340px;
  height: 510px;
  transform: translateX(-36%) scale(0.86);
  transform-origin: center bottom;
  transition: filter 500ms ease;
  animation: cake-sway 7s ease-in-out infinite;
}

.cake-tier {
  position: absolute;
  display: flex;
  align-items: flex-end;
  justify-content: space-evenly;
  padding: 0 0 14px;
  border: 2px solid rgba(115, 64, 59, 0.75);
  box-shadow:
    inset 0 5px 0 rgba(255, 255, 255, 0.42),
    inset 0 -7px 0 rgba(157, 69, 78, 0.09),
    0 4px 4px rgba(95, 63, 53, 0.08);
  transform: rotate(var(--tilt, 0deg));
}

.tier-pink {
  z-index: 6;
  top: 42px;
  left: 70px;
  width: 210px;
  height: 82px;
  border-radius: 39% 48% 34% 32% / 28% 30% 23% 22%;
  background: linear-gradient(135deg, #f8b4bc, #ef94a2 60%, #edabb2);
  --tilt: 2deg;
}

.tier-cream {
  z-index: 5;
  top: 112px;
  left: 82px;
  width: 186px;
  height: 88px;
  border-radius: 30% 28% 23% 21% / 19% 23% 17% 18%;
  background: linear-gradient(135deg, #ffe9c9, #f4d8ac 58%, #ffe8c9);
  --tilt: -2deg;
}

.tier-rose {
  z-index: 4;
  top: 184px;
  left: 53px;
  width: 240px;
  height: 91px;
  border-radius: 21% 22% 17% 16% / 21% 18% 18% 20%;
  background: linear-gradient(135deg, #f39aa8, #df758a 55%, #ef9ba5);
  --tilt: 1deg;
}

.tier-apricot {
  z-index: 3;
  top: 259px;
  left: 43px;
  width: 260px;
  height: 86px;
  border-radius: 18% 18% 14% 14% / 16% 15% 13% 14%;
  background: linear-gradient(135deg, #f5a46f, #e8804f 56%, #f4a06b);
  --tilt: -1deg;
}

.tier-mint {
  z-index: 2;
  top: 330px;
  left: 22px;
  width: 302px;
  height: 100px;
  border-radius: 17% 16% 13% 13% / 14% 16% 12% 13%;
  background: linear-gradient(135deg, #d9eee1, #b8ddd1 60%, #d7ecdf);
  --tilt: -4deg;
}

.tier-berry {
  z-index: 1;
  top: 414px;
  left: 39px;
  width: 272px;
  height: 86px;
  overflow: hidden;
  border-radius: 13% 14% 8% 8% / 14% 14% 10% 10%;
  background: linear-gradient(100deg, #df879a, #f2a3ae 48%, #d9768b);
  --tilt: 1deg;
}

.heart-mark {
  position: relative;
  z-index: 1;
  color: #d6506c;
  font-family: var(--serif);
  font-size: 1.55rem;
  line-height: 1;
  text-shadow: 1px 2px 0 rgba(129, 58, 65, 0.19);
  transform: rotate(-9deg);
}

.heart-mark:nth-child(even) {
  color: #c74a65;
  font-size: 1.35rem;
  transform: translateY(-10px) rotate(12deg);
}

.berry {
  position: relative;
  z-index: 1;
  width: 19px;
  height: 17px;
  border: 1px solid rgba(125, 42, 59, 0.6);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fa9aab 0 14%, #c83d5d 48%, #a92c50 100%);
  box-shadow: inset -2px -2px 0 rgba(99, 25, 45, 0.18);
  animation: berry-twinkle 3.6s ease-in-out infinite;
}

.berry:nth-child(even) {
  animation-delay: 1.8s;
}

.tier-pink .berry {
  align-self: flex-end;
  margin-bottom: -10px;
}

.berry-a,
.berry-d {
  transform: translateY(3px);
}

.berry-b,
.berry-e {
  transform: translateY(-1px);
}

.icing-ribbon {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 15px;
  border-bottom: 2px solid rgba(117, 61, 64, 0.6);
  border-radius: 0 0 50% 40%;
  background: #f7c2c8;
}

.bow {
  position: absolute;
  top: 16px;
  left: 50%;
  width: 72px;
  height: 42px;
  transform: translateX(-50%);
}

.bow i {
  position: absolute;
  top: 1px;
  width: 34px;
  height: 25px;
  border: 2px solid #844052;
  border-radius: 80% 18% 70% 22%;
  background: #eea0b0;
}

.bow i:first-child {
  left: 3px;
  transform: rotate(23deg);
}

.bow i:nth-child(2) {
  right: 3px;
  transform: scaleX(-1) rotate(23deg);
}

.bow b {
  position: absolute;
  top: 13px;
  left: 30px;
  width: 13px;
  height: 14px;
  border: 2px solid #844052;
  border-radius: 50%;
  background: #d8758d;
}

.cake-plate {
  position: absolute;
  z-index: 0;
  bottom: 0;
  left: 13px;
  width: 313px;
  height: 19px;
  border: 2px solid rgba(105, 74, 64, 0.7);
  border-radius: 50%;
  background: linear-gradient(#fff0d6, #e7c8a9);
  box-shadow: 0 6px 6px rgba(88, 59, 48, 0.14);
}

.candles {
  position: absolute;
  z-index: 8;
  top: 3px;
  left: 93px;
  display: flex;
  width: 165px;
  height: 48px;
  align-items: flex-end;
  justify-content: space-between;
}

.candles span {
  position: relative;
  width: 9px;
  height: 34px;
  border: 1px solid #86564d;
  border-radius: 4px 4px 1px 1px;
  background: repeating-linear-gradient(135deg, #fff4dc 0 5px, #e79292 5px 8px);
  transform: rotate(var(--candle-tilt, 0deg));
}

.candles span:nth-child(2n) {
  height: 43px;
  --candle-tilt: 4deg;
}

.candles span:nth-child(3n) {
  height: 38px;
  --candle-tilt: -4deg;
}

.candles i {
  position: absolute;
  top: -19px;
  left: 0;
  width: 8px;
  height: 14px;
  border: 1px solid #d87939;
  border-radius: 70% 30% 65% 35%;
  background: radial-gradient(ellipse at 50% 70%, #fff8ac 0 20%, #ffc543 45%, #ed793b 100%);
  box-shadow: 0 0 9px rgba(255, 173, 62, 0.48);
  transform-origin: 50% 100%;
  animation: candle-flicker 850ms ease-in-out infinite alternate;
}

.candles span:nth-child(even) i {
  animation-delay: 320ms;
}

.little-guest {
  position: absolute;
  z-index: 3;
  bottom: 47px;
  left: 6%;
  width: 166px;
  height: 280px;
  transform: rotate(-2deg);
  animation: guest-bob 4s ease-in-out infinite;
}

.party-hat {
  position: absolute;
  z-index: 5;
  top: 2px;
  left: 24px;
  width: 75px;
  height: 93px;
  border: 2px solid #78474d;
  border-radius: 12% 12% 4% 4%;
  background:
    radial-gradient(circle, #fff0dc 0 3px, transparent 4px) 2px 9px / 18px 19px,
    linear-gradient(140deg, #e77a9b, #bd4d76);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  transform: rotate(-12deg);
}

.party-hat span {
  position: absolute;
  top: -5px;
  left: 33px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #e9b56b;
  animation: pom-bounce 2.8s ease-in-out infinite;
}

.guest-hair {
  position: absolute;
  z-index: 4;
  top: 78px;
  left: 28px;
  width: 98px;
  height: 39px;
  border: 2px solid #65463e;
  border-radius: 55% 56% 24% 18%;
  background:
    repeating-linear-gradient(115deg, transparent 0 8px, rgba(75, 48, 40, 0.3) 9px 11px),
    linear-gradient(120deg, #a36a4c, #5f423b 70%, #8b5a40);
  box-shadow: -5px 13px 0 -5px #76503f, 8px 10px 0 -6px #76503f;
  clip-path: polygon(0 72%, 5% 37%, 21% 14%, 42% 4%, 68% 10%, 92% 29%, 100% 67%, 88% 74%, 78% 54%, 66% 76%, 53% 57%, 39% 79%, 27% 59%, 16% 81%);
}

.guest-hair::after {
  position: absolute;
  top: -4px;
  left: 39px;
  width: 27px;
  height: 14px;
  border: 2px solid #65463e;
  border-bottom: 0;
  border-radius: 75% 30% 0 0;
  background: #8b5a40;
  content: "";
  transform: rotate(-12deg);
}

.guest-face {
  position: absolute;
  z-index: 3;
  top: 87px;
  left: 32px;
  width: 91px;
  height: 99px;
  border: 2px solid #805047;
  border-radius: 46% 48% 48% 45%;
  background: linear-gradient(145deg, #ffd8ac, #f2a77e);
  transform: rotate(8deg);
}

.eye {
  position: absolute;
  top: 42px;
  width: 5px;
  height: 7px;
  border-radius: 50%;
  background: #4a3834;
}

.eye-left {
  left: 27px;
}

.eye-right {
  right: 25px;
}

.smile {
  position: absolute;
  top: 52px;
  left: 34px;
  width: 22px;
  height: 13px;
  border-bottom: 2px solid #8e4d4d;
  border-radius: 0 0 50% 50%;
}

.blush {
  position: absolute;
  top: 55px;
  width: 13px;
  height: 7px;
  border-radius: 50%;
  background: rgba(224, 116, 113, 0.48);
}

.blush-left {
  left: 11px;
}

.blush-right {
  right: 10px;
}

.guest-body {
  position: absolute;
  z-index: 3;
  top: 177px;
  left: 35px;
  width: 75px;
  height: 72px;
  border: 2px solid #94533e;
  border-radius: 25% 25% 20% 20%;
  background:
    radial-gradient(circle at 35% 32%, rgba(255, 215, 164, 0.65) 0 2px, transparent 3px),
    linear-gradient(110deg, #f3a05f, #e98449 62%, #ef9857);
  clip-path: polygon(17% 0, 36% 0, 50% 13%, 64% 0, 83% 0, 100% 35%, 84% 47%, 80% 100%, 20% 100%, 16% 47%, 0 35%);
}

.guest-body::before {
  position: absolute;
  top: 0;
  left: 22px;
  width: 27px;
  height: 19px;
  background: #fff0d6;
  clip-path: polygon(0 0, 50% 52%, 28% 100%, 0 68%, 100% 68%, 72% 100%, 50% 52%, 100% 0);
  content: "";
}

.guest-body::after {
  position: absolute;
  top: 20px;
  left: 33px;
  width: 8px;
  height: 8px;
  border-radius: 50% 50% 2px 2px;
  background: #bd5b62;
  box-shadow: 0 12px 0 -2px rgba(255, 233, 202, 0.9), 0 24px 0 -2px rgba(255, 233, 202, 0.9);
  content: "";
  transform: rotate(45deg);
}

.guest-arm {
  position: absolute;
  z-index: 4;
  top: 164px;
  left: 88px;
  width: 60px;
  height: 46px;
}

.arm-sleeve,
.arm-forearm,
.arm-hand,
.hand-finger,
.hand-thumb {
  position: absolute;
  display: block;
  border: 1.5px solid #94533e;
}

.arm-sleeve {
  top: 16px;
  left: 0;
  width: 29px;
  height: 15px;
  border-radius: 8px 6px 7px 8px;
  background: linear-gradient(110deg, #f3a05f, #e98449);
  transform: rotate(-48deg);
}

.arm-forearm {
  top: 1px;
  left: 23px;
  width: 27px;
  height: 11px;
  border-radius: 50%;
  background: #f5ae81;
  transform: rotate(-48deg);
}

.arm-hand {
  top: -8px;
  left: 39px;
  width: 15px;
  height: 14px;
  border-radius: 45% 45% 55% 55%;
  background: #f5ae81;
  transform: rotate(-23deg);
}

.hand-finger {
  top: -6px;
  left: 1px;
  width: 4px;
  height: 9px;
  border-radius: 50% 50% 40% 40%;
  background: #f5ae81;
  transform: rotate(-12deg);
}

.hand-finger:nth-child(2) {
  top: -8px;
  left: 5px;
  height: 11px;
  transform: rotate(-5deg);
}

.hand-finger:nth-child(3) {
  top: -7px;
  left: 9px;
  height: 10px;
  transform: rotate(4deg);
}

.hand-finger:nth-child(4) {
  top: -5px;
  left: 12px;
  height: 8px;
  transform: rotate(12deg);
}

.hand-thumb {
  top: 5px;
  left: -5px;
  width: 8px;
  height: 5px;
  border-radius: 50%;
  background: #f5ae81;
  transform: rotate(-35deg);
}

.guest-legs {
  position: absolute;
  z-index: 2;
  top: 244px;
  left: 55px;
  display: flex;
  gap: 22px;
}

.guest-legs i {
  width: 5px;
  height: 27px;
  border-radius: 5px;
  background: #94533e;
}

.guest-shoes {
  position: absolute;
  z-index: 2;
  top: 263px;
  left: 0;
  width: 105px;
  height: 20px;
}

.guest-shoes i {
  position: absolute;
  bottom: 0;
  width: 29px;
  height: 18px;
  border: 2px solid #825453;
  border-radius: 7px 12px 8px 6px;
  background: linear-gradient(180deg, #f4d9b8 0 25%, #e986a2 28% 100%);
  box-shadow: inset 0 -3px 0 rgba(123, 59, 75, 0.18);
}

.guest-shoes i:first-child {
  left: 43px;
}

.guest-shoes i:nth-child(2) {
  left: 70px;
}

.guest-shoes i::before {
  position: absolute;
  right: -1px;
  bottom: 1px;
  left: -1px;
  height: 3px;
  border-radius: 0 0 7px 5px;
  background: #fff0d6;
  content: "";
}

.guest-shoes i::after {
  position: absolute;
  top: 6px;
  left: 10px;
  width: 7px;
  height: 4px;
  border-top: 1px solid #fff0d6;
  border-bottom: 1px solid #fff0d6;
  content: "";
}

.mini-cupcake {
  position: absolute;
  z-index: 3;
  right: 5%;
  bottom: 43px;
  width: 70px;
  height: 60px;
  animation: cupcake-bob 3.8s ease-in-out infinite;
}

.cupcake-cherry {
  position: absolute;
  z-index: 2;
  top: 1px;
  left: 31px;
  width: 12px;
  height: 12px;
  border: 1px solid #984755;
  border-radius: 50%;
  background: #d94d5e;
}

.cupcake-icing {
  position: absolute;
  top: 12px;
  left: 6px;
  width: 59px;
  height: 25px;
  border: 2px solid #78605a;
  border-radius: 50% 50% 40% 40%;
  background: #cce5d8;
}

.cupcake-wrapper {
  position: absolute;
  bottom: 2px;
  left: 12px;
  width: 47px;
  height: 30px;
  border: 2px solid #80524e;
  background: repeating-linear-gradient(90deg, #e78ba0 0 7px, #f4a9b4 7px 13px);
  clip-path: polygon(0 0, 100% 0, 85% 100%, 15% 100%);
}

.cake-caption {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  margin: 0;
  color: #9a6b63;
  font-family: var(--serif);
  font-size: 0.95rem;
  font-style: italic;
  text-align: center;
}

.cake-caption span {
  color: #de7c8c;
}

.floating-heart,
.scene-sparkle {
  position: absolute;
  z-index: 4;
  color: #de7d8b;
  animation: drift 3.8s ease-in-out infinite;
}

.heart-one {
  top: 26%;
  left: 25%;
  font-size: 1.45rem;
  transform: rotate(-15deg);
}

.heart-two {
  top: 55%;
  right: 20%;
  font-size: 1.9rem;
  animation-delay: 700ms;
}

.heart-three {
  top: 14%;
  right: 24%;
  color: #ecaa69;
  font-size: 1rem;
  animation-delay: 1.2s;
}

.scene-sparkle {
  color: #dfa869;
  font-size: 1.3rem;
}

.sparkle-one {
  top: 10%;
  left: 42%;
}

.sparkle-two {
  top: 39%;
  right: 8%;
  animation-delay: 1s;
}

.sparkle-three {
  top: 28%;
  left: 8%;
  animation-delay: 1.5s;
}

.surprise-controls {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 0.35rem;
}

.button {
  display: inline-flex;
  min-height: 3.15rem;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.8rem 1.25rem;
  border: 2px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.91rem;
  font-weight: 650;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fffaf5;
  background: linear-gradient(130deg, #df7c89, #c95d78);
  box-shadow: 0 7px 18px rgba(182, 91, 108, 0.2);
}

.button-primary:hover {
  box-shadow: 0 10px 24px rgba(182, 91, 108, 0.3);
}

.button-gift {
  font-size: 1.1rem;
}

.button-music,
.button-replay {
  border-color: #e5b3a5;
  color: #895b55;
  background: rgba(255, 255, 255, 0.65);
}

.button-music:hover,
.button-replay:hover {
  background: #fff0e9;
}

.music-status {
  flex-basis: 100%;
  margin: 0;
  color: #a24c54;
  font-size: 0.82rem;
  text-align: center;
}

.surprise-note {
  position: relative;
  z-index: 2;
  width: min(100%, 410px);
  margin: 1.15rem auto 0;
  padding: 1.2rem 1.4rem 1.35rem;
  border: 1px solid #f0c5b7;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 12px 35px rgba(158, 105, 86, 0.12);
  text-align: center;
  animation: note-pop 550ms cubic-bezier(0.18, 0.8, 0.25, 1.2) both;
}

.note-flower {
  color: #df8c90;
  font-size: 1.5rem;
}

.surprise-note h2 {
  margin: 0.25rem 0 0.35rem;
  color: #c65e73;
  font-size: 1.8rem;
}

.surprise-note p {
  margin: 0 0 0.85rem;
  color: #8d6a64;
  font-family: var(--serif);
  line-height: 1.5;
}

.button-replay {
  min-height: 2.7rem;
  padding: 0.58rem 1rem;
  font-size: 0.82rem;
}

.toy-train-track {
  position: relative;
  width: min(100%, 460px);
  height: 48px;
  margin: 0.75rem auto 0;
  overflow: hidden;
}

.toy-train-track::before {
  position: absolute;
  right: 0;
  bottom: 8px;
  left: 0;
  height: 2px;
  background: repeating-linear-gradient(90deg, #c59c85 0 12px, transparent 12px 19px);
  content: "";
}

.toy-train-track::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 3px;
  border-radius: 50%;
  background: #e7cdb8;
  content: "";
}

.toy-train {
  position: absolute;
  z-index: 1;
  bottom: 10px;
  left: -118px;
  display: flex;
  width: 112px;
  height: 29px;
  align-items: flex-end;
  gap: 3px;
  animation: train-roll 13s linear infinite;
}

.train-engine {
  position: relative;
  width: 34px;
  height: 23px;
  border: 2px solid #855254;
  border-radius: 10px 8px 3px 4px;
  background: linear-gradient(145deg, #e98a9b, #ce637b);
}

.train-engine::before {
  position: absolute;
  right: -7px;
  bottom: -2px;
  width: 11px;
  height: 9px;
  border: 2px solid #855254;
  border-radius: 50% 50% 2px 2px;
  background: #e8a06f;
  content: "";
}

.train-window {
  position: absolute;
  top: 4px;
  left: 11px;
  width: 11px;
  height: 9px;
  border: 1.5px solid #855254;
  border-radius: 4px 4px 2px 2px;
  background: #fff0cf;
}

.train-chimney {
  position: absolute;
  top: -9px;
  left: 5px;
  width: 8px;
  height: 9px;
  border: 1.5px solid #855254;
  border-bottom: 0;
  border-radius: 3px 3px 0 0;
  background: #e8a06f;
}

.train-car {
  position: relative;
  width: 27px;
  height: 16px;
  border: 2px solid #855254;
  border-radius: 5px 5px 3px 3px;
}

.train-car::before {
  position: absolute;
  top: 3px;
  left: 7px;
  width: 8px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 242, 213, 0.85);
  content: "";
}

.train-car-pink {
  background: #efb0b6;
}

.train-car-mint {
  background: #b9ddcf;
}

.train-wheel {
  position: absolute;
  bottom: -4px;
  width: 9px;
  height: 9px;
  border: 2px solid #755052;
  border-radius: 50%;
  background: #fff0d6;
  animation: train-wheel-spin 800ms linear infinite;
}

.wheel-one {
  left: 7px;
}

.wheel-two {
  left: 25px;
}

.wheel-three {
  left: 43px;
}

.wheel-four {
  left: 63px;
}

.wheel-five {
  left: 82px;
}

.wheel-six {
  left: 102px;
}

.train-smoke {
  position: absolute;
  top: -8px;
  left: 1px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ead4c4;
  opacity: 0;
  animation: train-smoke-float 1.6s ease-out infinite;
}

.train-smoke::after {
  position: absolute;
  top: -5px;
  left: 5px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #ead4c4;
  content: "";
}

.page-footer {
  position: relative;
  z-index: 1;
  padding: 0.5rem 1rem 1rem;
  color: #a58279;
  font-family: var(--serif);
  font-size: 0.8rem;
  font-style: italic;
  text-align: center;
}

.page-footer span {
  color: #d97989;
}

.birthday-scene.is-revealed .cake-tower {
  filter: drop-shadow(0 10px 14px rgba(205, 119, 114, 0.16));
  animation: cake-cheer 750ms ease-out, cake-sway 7s 750ms ease-in-out infinite;
}

.birthday-scene.is-revealed .little-guest {
  animation: guest-cheer 650ms ease-out, guest-bob 4s 650ms ease-in-out infinite;
}

.confetti {
  position: fixed;
  z-index: 8;
  top: -12px;
  left: var(--x);
  width: var(--size);
  height: calc(var(--size) * 1.45);
  border-radius: 3px;
  background: var(--color);
  pointer-events: none;
  animation: confetti-fall var(--duration) var(--delay) ease-in forwards;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-sparkle {
  0% {
    opacity: 0;
    transform: translateY(0) scale(0.6);
  }
  18% {
    opacity: var(--opacity);
  }
  80% {
    opacity: calc(var(--opacity) * 0.7);
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--drift), -105vh, 0) scale(1.1);
  }
}

@keyframes drift {
  0%, 100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -8px;
  }
}

@keyframes candle-flicker {
  from {
    transform: rotate(-5deg) scale(0.95);
  }
  to {
    transform: rotate(5deg) scale(1.06, 0.96);
  }
}

@keyframes guest-bob {
  0%, 100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -5px;
  }
}

@keyframes guest-cheer {
  0%, 100% {
    rotate: 0deg;
  }
  35% {
    rotate: -7deg;
  }
  70% {
    rotate: 5deg;
  }
}

@keyframes cake-cheer {
  0%, 100% {
    rotate: 0deg;
  }
  28% {
    rotate: -2deg;
  }
  58% {
    rotate: 2deg;
  }
}

@keyframes cake-sway {
  0%, 100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -3px;
  }
}

@keyframes cupcake-bob {
  0%, 100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -5px;
  }
}

@keyframes pom-bounce {
  0%, 100% {
    scale: 1;
  }
  50% {
    scale: 1.16;
  }
}

@keyframes berry-twinkle {
  0%, 100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.14) saturate(1.08);
  }
}

@keyframes train-roll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(100vw + 240px));
  }
}

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

@keyframes train-smoke-float {
  0% {
    opacity: 0;
    transform: translate(0, 3px) scale(0.7);
  }
  35% {
    opacity: 0.7;
  }
  100% {
    opacity: 0;
    transform: translate(-8px, -15px) scale(1.25);
  }
}

@keyframes note-pop {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.94);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes confetti-fall {
  to {
    opacity: 0;
    transform: translate3d(var(--drift), 105vh, 0) rotate(720deg);
  }
}

@media (max-width: 600px) {
  body {
    min-height: 100svh;
    justify-content: flex-start;
  }

  .page-shell {
    width: min(100% - 1.25rem, 480px);
    padding-top: 1.5rem;
  }

  .eyebrow {
    font-size: 0.6rem;
    letter-spacing: 0.11em;
  }

  .welcome-copy {
    margin-top: 0.65rem;
    font-size: 0.98rem;
  }

  .birthday-scene {
    height: clamp(400px, 58svh, 495px);
    margin-top: 1.2rem;
  }

  .cake-tower {
    bottom: 36px;
    transform: translateX(-31%) scale(0.78);
  }

  .little-guest {
    bottom: 42px;
    left: 3%;
    transform: scale(0.83) rotate(-2deg);
    transform-origin: bottom left;
  }

  .mini-cupcake {
    right: -1%;
    bottom: 38px;
    transform: scale(0.78);
    transform-origin: bottom right;
  }

  .ground-line {
    right: 0;
    bottom: 35px;
    left: 0;
  }

  .cake-caption {
    bottom: -2px;
    font-size: 0.84rem;
  }

  .heart-one {
    left: 32%;
  }

  .heart-two {
    right: 9%;
  }

  .sparkle-three {
    left: 1%;
  }

  .surprise-controls {
    gap: 0.55rem;
    margin-top: 0.55rem;
  }

  .button {
    min-height: 2.95rem;
    padding: 0.72rem 1rem;
    font-size: 0.84rem;
  }

  .page-footer {
    padding-top: 0.8rem;
  }
}

@media (max-width: 380px) {
  .cake-tower {
    transform: translateX(-31%) scale(0.68);
  }

  .little-guest {
    left: 2%;
    transform: scale(0.74) rotate(-2deg);
  }

  .mini-cupcake {
    right: 2%;
    transform: scale(0.65);
  }
}

@media (max-width: 340px) {
  .cake-tower {
    transform: translateX(-38%) scale(0.68);
  }
}

@media (prefers-reduced-motion: reduce) {
  .toy-train {
    left: calc(50% - 56px);
    animation: none;
  }

  .train-wheel,
  .train-smoke {
    animation: none;
  }

  .train-smoke {
    display: none;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}