:root {
  --forest-paper: #d8ded3;
  --forest-deep: #263a32;
  --forest-soft: #718779;
  --ink: #21342c;
  --ink-muted: #66776e;
  --ink-faint: rgba(33, 52, 44, 0.38);
  --lichen: #9eaf50;
  --hairline: rgba(33, 52, 44, 0.24);
  --serif-en: Baskerville, "Times New Roman", serif;
  --serif-zh: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  --mono: Menlo, Monaco, "Courier New", monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  overflow-x: hidden;
  background: var(--forest-paper);
  overscroll-behavior-y: none;
  scroll-behavior: auto;
  scroll-snap-type: y mandatory;
}

html.pager-ready,
html.pager-ready body,
html.pager-ready #app {
  touch-action: pan-x;
  touch-action: pan-x pinch-zoom;
}

html.is-paging {
  scroll-snap-type: none;
}

body {
  min-width: 320px;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 255, 255, 0.2), transparent 34%),
    radial-gradient(circle at 84% 78%, rgba(76, 98, 84, 0.1), transparent 38%),
    var(--forest-paper);
  color: var(--ink);
  font-family: var(--serif-zh);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
}

button,
a {
  color: inherit;
  font: inherit;
}

a {
  text-decoration: none;
}

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

.paper-grain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.12;
  background-image:
    repeating-linear-gradient(17deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 5px),
    repeating-linear-gradient(103deg, rgba(0, 0, 0, 0.018) 0 1px, transparent 1px 7px),
    radial-gradient(circle at 12% 24%, rgba(255, 255, 255, 0.06) 0 0.5px, transparent 0.8px),
    radial-gradient(circle at 71% 61%, rgba(0, 0, 0, 0.09) 0 0.5px, transparent 0.9px);
  background-size: auto, auto, 7px 9px, 11px 13px;
  mix-blend-mode: multiply;
}

#app {
  min-height: 100dvh;
  transition: opacity 360ms var(--ease), transform 520ms var(--ease);
}

#app.is-changing {
  opacity: 0;
  transform: translateY(6px);
}

.snap-leaf {
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.invitation-page {
  position: relative;
  min-height: 100dvh;
  overflow: hidden;
  isolation: isolate;
}

.invitation-page::before {
  content: "";
  position: absolute;
  top: 0;
  right: clamp(17px, 5vw, 46px);
  width: 1px;
  height: 17vh;
  background: var(--hairline);
}

.invitation-cluster {
  position: relative;
  width: min(100%, 520px);
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(40px, env(safe-area-inset-top)) 24px max(32px, env(safe-area-inset-bottom));
}

.invitation-kicker {
  position: absolute;
  top: max(42px, calc(env(safe-area-inset-top) + 18px));
  left: 24px;
  margin: 0;
  color: var(--ink-muted);
  font: 400 8px/1.4 var(--mono);
  letter-spacing: 0.18em;
}

.invitation-cluster h1 {
  position: absolute;
  z-index: 2;
  top: 13.5%;
  left: 13.5%;
  margin: 0;
  font: 400 clamp(34px, 10.4vw, 51px)/0.96 var(--serif-en);
  letter-spacing: -0.055em;
}

.invitation-cluster h1 i {
  display: inline-block;
  padding-bottom: 0.08em;
  font-weight: 400;
  line-height: 1.08;
}

.portrait-print {
  position: absolute;
  top: 29%;
  right: 13%;
  width: min(47vw, 214px);
  aspect-ratio: 0.738;
  margin: 0;
  overflow: hidden;
  background: var(--forest-deep);
}

.portrait-print::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: var(--forest-soft);
  opacity: 0.2;
  mix-blend-mode: color;
}

.portrait-print img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--photo-position, 53% 61%);
  filter: saturate(var(--photo-saturation, 0.58)) contrast(0.94) brightness(0.98);
  opacity: 0.94;
}

.invitation-names {
  position: absolute;
  left: 24px;
  bottom: 18.5%;
}

.invitation-names strong,
.invitation-names span {
  display: block;
}

.invitation-names strong {
  font-size: clamp(20px, 5.8vw, 27px);
  font-weight: 400;
  letter-spacing: 0.04em;
}

.invitation-names span {
  margin-top: 8px;
  color: var(--ink-muted);
  font: italic 12px/1.3 var(--serif-en);
}

.invitation-facts {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: max(38px, calc(env(safe-area-inset-bottom) + 16px));
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding-top: 13px;
  border-top: 1px solid var(--hairline);
  color: var(--ink-muted);
  font: 400 8px/1.55 var(--mono);
  letter-spacing: 0.1em;
}

.lichen-block {
  position: absolute;
  top: 31%;
  left: 24px;
  width: 7px;
  height: 88px;
  background: var(--lichen);
}

.arrival-page,
.score-leaf {
  width: min(100%, 760px);
  margin: 0 auto;
}

.arrival-opening {
  position: relative;
  min-height: 100dvh;
  padding: max(46px, env(safe-area-inset-top)) 24px 60px;
}

.time-fragment {
  position: absolute;
  top: max(48px, calc(env(safe-area-inset-top) + 20px));
  right: 24px;
  margin: 0;
  color: var(--ink-muted);
  font: 400 9px/1 var(--mono);
  letter-spacing: 0.16em;
}

.arrival-copy {
  position: absolute;
  top: 42%;
  left: 12.5%;
  width: min(73%, 410px);
  transform: translateY(-50%);
}

.arrival-copy h1 {
  margin: 0 0 32px;
  font-size: clamp(29px, 8.4vw, 42px);
  font-weight: 400;
  line-height: 1.28;
  letter-spacing: 0.02em;
  text-wrap: pretty;
}

.arrival-copy p {
  margin: 0;
  color: var(--ink-muted);
  font-size: clamp(16px, 4.35vw, 18px);
  font-weight: 400;
  line-height: 2;
  text-wrap: pretty;
}

.arrival-copy .quiet-line {
  display: block;
  margin-top: 16px;
}

.arrival-mark {
  position: absolute;
  right: 19%;
  bottom: 13%;
  width: 46px;
  height: 12px;
  background: var(--lichen);
}

.notes-field {
  padding: 0 24px;
}

.note {
  width: min(74%, 390px);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.note + .note {
  margin-top: 0;
}

.note:nth-child(even) {
  margin-left: auto;
}

.note-label {
  margin: 0 0 22px;
  color: var(--ink-muted);
  font: 400 9px/1.4 var(--mono);
  letter-spacing: 0.16em;
}

.note p:last-child {
  margin: 0;
  font-size: clamp(18px, 5.2vw, 24px);
  font-weight: 400;
  line-height: 1.9;
  text-wrap: pretty;
}

.arrival-closing {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 24px max(54px, env(safe-area-inset-bottom));
}

.arrival-closing p {
  width: min(78%, 410px);
  margin: 0;
  color: var(--ink-muted);
  font-size: 16px;
  line-height: 1.9;
}

.arrival-closing small {
  display: block;
  margin-top: 32px;
  color: var(--ink-faint);
  font: 400 8px/1.6 var(--mono);
  letter-spacing: 0.12em;
}

.score-leaf {
  padding-bottom: 0;
}

.score-opening {
  position: relative;
  min-height: 100dvh;
  padding: max(46px, env(safe-area-inset-top)) 24px 70px;
}

.score-opening::after {
  content: "";
  position: absolute;
  left: 24px;
  bottom: 19%;
  width: 58px;
  height: 16px;
  background: var(--lichen);
}

.score-intro {
  position: absolute;
  top: 37%;
  left: 16%;
  width: min(70%, 390px);
}

.score-intro p {
  margin: 0;
  font-size: clamp(25px, 7.1vw, 36px);
  line-height: 1.62;
  text-wrap: pretty;
}

.score-intro small {
  display: block;
  margin-top: 27px;
  color: var(--ink-muted);
  font: 400 8px/1.6 var(--mono);
  letter-spacing: 0.15em;
}

.score-catalogue {
  padding: 0 24px;
}

.movement {
  width: min(72%, 380px);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.movement + .movement {
  margin-top: 0;
}

.movement:nth-child(even) {
  margin-left: auto;
}

.movement h2 {
  margin: 0 0 42px;
  color: var(--ink-muted);
  font: 400 10px/1.4 var(--mono);
  letter-spacing: 0.18em;
}

.track-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.track-list li + li {
  margin-top: 28px;
}

.track-list span,
.track-list small {
  display: block;
}

.track-list span {
  font: 400 clamp(19px, 5.3vw, 25px)/1.35 var(--serif-en);
}

.track-list small {
  margin-top: 6px;
  color: var(--ink-muted);
  font: 400 9px/1.5 var(--mono);
  letter-spacing: 0.08em;
}

.folio-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin: 32vh 24px 8vh;
  color: var(--ink-muted);
  font: 400 9px/1.5 var(--mono);
  letter-spacing: 0.12em;
  transition: color 240ms ease;
}

.score-closing {
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding-bottom: max(54px, env(safe-area-inset-bottom));
}

.folio-link:focus-visible,
.folio-link:hover {
  color: var(--lichen);
  outline: none;
}

.folio-link--return {
  margin: 32px 0 0;
}

@media (min-width: 720px) {
  .invitation-cluster,
  .arrival-page,
  .score-leaf {
    width: min(100%, 720px);
  }

  .invitation-cluster {
    padding-inline: 40px;
  }

  .invitation-kicker,
  .invitation-names,
  .invitation-facts,
  .lichen-block {
    left: 40px;
  }

  .invitation-facts {
    right: 40px;
    grid-template-columns: 1fr auto;
  }

  .portrait-print {
    right: 17%;
    width: 240px;
  }

  .arrival-opening,
  .notes-field,
  .arrival-closing,
  .score-opening,
  .score-catalogue {
    padding-inline: 40px;
  }

  .time-fragment {
    right: 40px;
  }

  .score-opening::after {
    left: 40px;
  }

  .folio-link {
    margin-left: 40px;
  }
}

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

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