:root {
  --paper: #f3e7d5;
  --paper-light: #fff7ec;
  --paper-deep: #dec8a8;
  --ink: #2d1d13;
  --muted: #68594c;
  --dobox: #7a2e24;
  --dobox-dark: #4b1c16;
  --line: rgba(90, 61, 42, 0.2);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow: 0 26px 80px rgba(61, 34, 20, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  background:
    radial-gradient(circle at 18% 6%, rgba(255, 250, 241, 0.9), transparent 26rem),
    radial-gradient(circle at 86% 18%, rgba(122, 46, 36, 0.08), transparent 22rem),
    linear-gradient(120deg, rgba(255,255,255,0.34), rgba(222, 200, 168, 0.22)),
    var(--paper);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.32;
  background-image:
    linear-gradient(100deg, transparent 0 47%, rgba(76, 50, 34, 0.08) 48%, transparent 50%),
    linear-gradient(18deg, transparent 0 48%, rgba(76, 50, 34, 0.07) 49%, transparent 51%);
  background-size: 360px 420px, 520px 360px;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.42;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(68, 43, 28, 0.12) 1px, transparent 0);
  background-size: 18px 18px;
  mix-blend-mode: multiply;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 26px;
}

.brand {
  display: inline-flex;
  width: 74px;
  height: 74px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.42);
  border-radius: 50%;
  background: rgba(255, 247, 236, 0.86);
  box-shadow: 0 12px 30px rgba(45, 29, 19, 0.12);
}

.brand img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.topbar nav {
  display: flex;
  gap: 20px;
  padding: 12px 16px;
  color: var(--paper-light);
  border: 1px solid rgba(255,255,255,0.24);
  background: rgba(45, 29, 19, 0.34);
  backdrop-filter: blur(10px);
}

.topbar nav a {
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
}

.step {
  min-height: 94vh;
  display: grid;
  align-items: center;
  padding: 102px 7vw;
}

.inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.split,
.mei-grid,
.arrival-grid,
.passport-grid,
.suitcase-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(330px, 1.05fr);
  gap: 62px;
  align-items: center;
}

.reverse {
  grid-template-columns: minmax(330px, 1.05fr) minmax(0, 0.95fr);
}

.hero {
  position: relative;
  overflow: hidden;
  color: var(--paper-light);
}

.hero {
  min-height: 98vh;
  align-items: end;
  padding-bottom: 74px;
}

.hero-image,
.hero-veil {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-image {
  object-position: center;
  filter: blur(4px) saturate(0.96);
  transform: scale(1.035);
}

.hero-veil {
  background:
    linear-gradient(180deg, rgba(45, 29, 19, 0.32), rgba(45, 29, 19, 0.9)),
    radial-gradient(circle at 50% 38%, rgba(45, 29, 19, 0.18) 0 18rem, rgba(45, 29, 19, 0.46) 34rem);
}

.hero-content,
.finale-content {
  position: relative;
  width: min(710px, 100%);
}

.hero-logo {
  display: none;
}

.eyebrow {
  margin: 0 0 15px;
  color: var(--dobox);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 850;
}

.hero .eyebrow,
.finale .eyebrow {
  color: #f2d8be;
}

h1,
h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
}

h1 {
  max-width: 700px;
  font-size: 82px;
}

h2 {
  font-size: 48px;
}

p {
  margin: 0 0 18px;
  line-height: 1.75;
}

.hero p,
.finale p {
  max-width: 610px;
  font-size: 18px;
}

.copy {
  max-width: 600px;
}

.copy.center {
  max-width: 690px;
  margin: 0 auto 44px;
  text-align: center;
}

.privacy-note {
  display: inline-flex;
  margin-top: 8px;
  padding: 10px 13px;
  color: var(--dobox-dark);
  border-left: 3px solid var(--dobox);
  background: rgba(255, 247, 236, 0.56);
  font-size: 14px;
  font-weight: 700;
}

.cta,
.text-link,
.choice,
.stamp-button,
.audio-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--dobox);
  padding: 0 23px;
  color: var(--paper-light);
  background: var(--dobox);
  text-decoration: none;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.cta:hover,
.text-link:hover,
.choice:hover,
.stamp-button:hover,
.audio-button:hover {
  transform: translateY(-2px);
  background: var(--dobox-dark);
  border-color: var(--dobox-dark);
}

.cta.small {
  min-height: 42px;
  padding: 0 18px;
  font-size: 14px;
}

.text-link {
  margin-top: 16px;
}

.secondary,
.audio-button.secondary {
  color: var(--dobox);
  background: transparent;
}

.choice.is-active,
.audio-button.is-playing {
  color: var(--paper-light);
  border-color: var(--dobox-dark);
  background: var(--dobox-dark);
}

.locked {
  opacity: 0.48;
  pointer-events: none;
}

.rituals {
  display: grid;
  gap: 14px;
}

.rituals button,
.objects button {
  min-height: 66px;
  border: 1px solid var(--line);
  padding: 0 20px;
  color: var(--ink);
  background: rgba(255, 247, 236, 0.62);
  text-align: left;
  font-weight: 750;
}

.rituals button span {
  display: inline-block;
  min-width: 42px;
  color: var(--dobox);
  font-family: var(--serif);
  font-size: 24px;
}

.rituals button.is-done,
.objects button.is-selected {
  color: var(--paper-light);
  border-color: var(--dobox);
  background: var(--dobox);
}

.rituals button.is-done span {
  color: var(--paper-light);
}

.image-frame {
  margin: 0;
}

.image-frame img {
  width: 100%;
  box-shadow: var(--shadow);
}

.image-frame.wide img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.envelope-stage {
  position: relative;
  min-height: 660px;
  display: grid;
  place-items: center;
  margin-top: 18px;
}

.envelope {
  position: relative;
  width: min(620px, 92vw);
  height: 285px;
  border: 0;
  color: var(--ink);
  background:
    linear-gradient(145deg, transparent 49%, rgba(102, 71, 50, 0.16) 50%),
    linear-gradient(35deg, transparent 49%, rgba(102, 71, 50, 0.13) 50%),
    #d9c2a1;
  box-shadow: var(--shadow);
  font-family: var(--serif);
  font-size: 25px;
}

.envelope::before {
  position: absolute;
  inset: 0;
  content: "";
  clip-path: polygon(0 0, 50% 58%, 100% 0);
  background: #ead1aa;
  transform-origin: top;
  transition: transform 650ms ease;
}

.envelope-stage[data-open="true"] .envelope::before {
  transform: rotateX(74deg);
}

.seal {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--dobox);
  transform: translate(-50%, -50%);
}

.envelope span:last-child {
  position: relative;
  top: 88px;
}

.ticket {
  position: absolute;
  width: min(520px, 86vw);
  margin: 0;
  opacity: 0;
  transform: translateY(80px) rotate(-2deg);
  pointer-events: none;
  transition: opacity 520ms ease 250ms, transform 520ms ease 250ms;
}

.ticket img {
  box-shadow: var(--shadow);
}

.envelope-stage[data-open="true"] .ticket {
  opacity: 1;
  transform: translateY(-150px) rotate(-2deg);
}

.decision {
  text-align: center;
}

.decision-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 18px;
}

.decision-impact {
  min-height: 32px;
  color: var(--dobox-dark);
  font-family: var(--serif);
  font-size: 24px;
}

.mei-grid,
.arrival-grid {
  grid-template-columns: minmax(260px, 390px) minmax(0, 1fr);
}

.mei-image {
  margin: 0;
  mix-blend-mode: multiply;
}

.message-panel,
.mei-note,
.passport,
.train-text {
  border: 1px solid var(--line);
  background: rgba(255, 247, 236, 0.58);
}

.message-panel {
  padding: 42px;
}

.mei-line {
  color: var(--dobox);
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.45;
}

.suitcase-grid {
  grid-template-columns: minmax(310px, 540px) minmax(280px, 1fr);
  gap: 44px;
}

.objects {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
}

.objects button:disabled {
  opacity: 0.48;
  cursor: default;
}

.mei-note {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  max-width: 830px;
  margin: 48px auto 0;
  padding: 24px;
}

.mei-note img {
  max-height: 230px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.passport-grid {
  grid-template-columns: minmax(0, 0.82fr) minmax(340px, 1fr);
}

.passport {
  position: relative;
  display: grid;
  gap: 22px;
  min-height: 500px;
  padding: 36px;
  box-shadow: var(--shadow);
}

.passport label,
.passport legend {
  display: grid;
  gap: 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
  font-weight: 850;
}

.passport input[type="text"] {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(45, 29, 19, 0.55);
  border-radius: 0;
  padding: 13px 2px;
  color: var(--ink);
  background: transparent;
  text-transform: none;
  letter-spacing: 0;
}

.passport fieldset {
  display: grid;
  gap: 10px;
  margin: 0;
  border: 0;
  padding: 0;
}

.passport fieldset label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
}

.stamp-button {
  justify-self: start;
}

.passport-result {
  min-height: 28px;
  color: var(--dobox-dark);
  font-weight: 750;
}

.stamp {
  position: absolute;
  right: 34px;
  bottom: 34px;
  display: grid;
  place-items: center;
  width: 150px;
  height: 150px;
  border: 4px double var(--dobox);
  border-radius: 50%;
  color: var(--dobox);
  font-family: var(--serif);
  font-size: 25px;
  line-height: 1.12;
  text-align: center;
  text-transform: uppercase;
  opacity: 0;
  transform: rotate(-13deg) scale(0.68);
  transition: opacity 240ms ease, transform 240ms ease;
}

.passport.is-stamped .stamp {
  opacity: 0.9;
  transform: rotate(-13deg) scale(1);
}

.audio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.route {
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto;
  gap: 24px;
  align-items: center;
  max-width: 760px;
  margin: 34px auto;
  color: var(--dobox-dark);
  font-family: var(--serif);
  font-size: 30px;
}

.route i {
  position: relative;
  display: block;
  height: 2px;
  background: var(--dobox);
}

.route i::after {
  position: absolute;
  top: 50%;
  right: -2px;
  width: 16px;
  height: 16px;
  border-top: 2px solid var(--dobox);
  border-right: 2px solid var(--dobox);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.train-text {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 28px;
  text-align: center;
}

.finale {
  min-height: 98vh;
  color: var(--paper-light);
  background:
    radial-gradient(circle at 82% 20%, rgba(243, 231, 213, 0.15), transparent 24rem),
    linear-gradient(135deg, #2b160f, #54231b 60%, #2b160f);
}

.finale-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
  gap: 70px;
  align-items: center;
}

.finale-content {
  width: auto;
}

.finale h2 {
  max-width: 820px;
  font-size: 58px;
}

.finale-figure {
  margin: 0;
}

.finale-figure img {
  width: 100%;
  max-height: 76vh;
  object-fit: contain;
  mix-blend-mode: normal;
  filter: drop-shadow(0 30px 50px rgba(0,0,0,0.28));
  opacity: 1;
}

.promise {
  color: #ffe2c7;
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1.45;
}

@media (max-width: 860px) {
  .topbar {
    padding: 12px 16px;
  }

  .brand {
    width: 58px;
    height: 58px;
  }

  .topbar nav {
    display: none;
  }

  .step {
    min-height: auto;
    padding: 78px 24px;
  }

  .hero,
  .finale {
    min-height: 94vh;
    padding-bottom: 54px;
  }

  .hero-logo {
    display: none;
  }

  h1 {
    font-size: 52px;
  }

  h2,
  .finale h2 {
    font-size: 36px;
  }

  .split,
  .reverse,
  .mei-grid,
  .arrival-grid,
  .passport-grid,
  .suitcase-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .mei-image {
    max-width: 270px;
    margin-inline: auto;
  }

  .message-panel,
  .passport {
    padding: 26px;
  }

  .objects {
    grid-template-columns: 1fr;
  }

  .mei-note {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .mei-note img {
    margin-inline: auto;
  }

  .stamp {
    position: static;
    margin-top: 8px;
  }

  .route {
    grid-template-columns: 1fr;
    gap: 14px;
    text-align: center;
  }

  .route i {
    width: 2px;
    height: 90px;
    margin: 0 auto;
  }

  .route i::after {
    top: auto;
    right: 50%;
    bottom: -2px;
    transform: translateX(50%) rotate(135deg);
  }

  .finale-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .finale-figure {
    max-width: 250px;
    margin-inline: auto;
    order: -1;
  }

  .envelope-stage {
    min-height: 590px;
  }

  .envelope {
    height: 240px;
  }

  .envelope-stage[data-open="true"] .ticket {
    transform: translateY(-135px) rotate(-2deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}