/* 태움 — 직장인 고민을 태우는 장작불
   Direction: split stage (seed 2056038825). Colours mapped from the subject's material:
   night fire, printed office form, red seal. */

:root {
  --paper: #ecebe7;        /* the dealt bone ground */
  --sheet: #e1ddd2;        /* the form's paper, one tone down */
  --ink: #38450f;          /* the dealt olive ink */
  --ink-soft: #566130;
  --night: #0c0a08;        /* the fire panel's dark field */
  --seal: #a8341a;         /* the red seal on a printed document */
  --on-dark: #f2f2f0;

  --font-kr: "Gowun Batang", "Nanum Myeongjo", Batang, serif;
  --font-num: "Zilla Slab", "Gowun Batang", serif;

  --h1: clamp(40px, 5.4vw, 76px);
  --h2: clamp(26px, 2.5vw, 36px);
  --cta: clamp(30px, 3.4vw, 48px);
  --figure: clamp(52px, 5.6vw, 80px);
  --mark: clamp(84px, 14vw, 170px);

  --gap: clamp(88px, 11vw, 176px);
  --radius: 12px;
  --pad: 20px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-kr);
  font-size: 18px;
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: break-word;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

img, canvas { display: block; max-width: 100%; }
/* height="..." attributes reserve the ratio; the CSS crop decides the height */
img { height: auto; }
a { color: inherit; text-underline-offset: 4px; text-decoration-thickness: 2px; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, p, figure, dl, dd, ol, ul { margin: 0; }
ul { padding: 0; list-style: none; }

::selection { background: var(--ink); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
.stage :focus-visible,
.cta :focus-visible,
.footer :focus-visible { outline-color: var(--on-dark); }

.skip {
  position: absolute;
  left: 0;
  top: -80px;
  z-index: 50;
  padding: 12px 20px;
  background: var(--ink);
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
}
.skip:focus { top: 12px; }

/* ---------- frame: the split stage ---------- */

.page {
  display: grid;
  grid-template-columns: 47fr 53fr;
  align-items: start;
}

.stage {
  position: sticky;
  top: var(--pad);
  height: calc(100svh - (var(--pad) * 2));
  padding-left: var(--pad);
}

.stage__panel {
  position: relative;
  height: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--night);
}

.stage__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.stage__mark {
  position: absolute;
  z-index: 2;
  top: 20px;
  left: 22px;
  color: var(--on-dark);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.stage__caption {
  position: absolute;
  z-index: 2;
  top: 44px;
  left: 22px;
  max-width: 250px;
  color: rgba(242, 242, 240, 0.78);
  font-size: 13px;
  line-height: 1.55;
}

.sound {
  position: absolute;
  z-index: 2;
  right: 20px;
  bottom: 16px;
  min-height: 34px;
  padding: 5px 11px;
  border: 2px solid rgba(242, 242, 240, 0.42);
  color: var(--on-dark);
  font-size: 13px;
  line-height: 1.2;
  transition: border-color 0.18s, background-color 0.18s;
}
.sound:hover { border-color: var(--on-dark); }
.sound[aria-pressed="true"] { background: rgba(242, 242, 240, 0.16); }

.stage__noscript {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  padding: 24px;
  color: var(--on-dark);
  font-size: 15px;
  line-height: 1.6;
}
.no-js .stage__canvas { display: none; }
.no-js .stage__panel { background: var(--night) url("../found/fire-close.jpg") center / cover; }

/* the reading column */

.column {
  padding: 0 var(--pad) 0 clamp(32px, 4vw, 56px);
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  padding-top: 24px;
}

.topbar__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 15px;
}
.topbar__nav a {
  text-decoration: none;
  transition: color 0.18s;
}
.topbar__nav a:hover { text-decoration: underline; }
.topbar__nav a:active { color: var(--ink-soft); }

/* ---------- hero ---------- */

.hero {
  padding-top: clamp(34px, 6vh, 68px);
  padding-bottom: calc(var(--gap) * 0.5);
}

.hero__title {
  font-size: var(--h1);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero__lead {
  margin-top: 24px;
  max-width: 26em;
  font-size: 21px;
  line-height: 1.6;
}

/* the printed form */

.slip {
  margin-top: clamp(28px, 4.5vh, 44px);
  border: 2px solid var(--ink);
  background: var(--sheet);
}

.slip__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 22px 13px;
  border-bottom: 2px solid var(--ink);
}

.slip__title { font-size: 21px; font-weight: 700; line-height: 1.3; }
.slip__docno { color: var(--ink-soft); font-size: 13px; white-space: nowrap; }

.slip__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 2px solid var(--ink);
}
.slip__meta > div {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 22px;
  min-width: 0;
}
.slip__meta > div + div { border-left: 2px solid var(--ink); }
.slip__meta dt { color: var(--ink-soft); font-size: 13px; white-space: nowrap; }
.slip__meta dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.slip__field { padding: 18px 22px 4px; }
.slip__label { display: block; margin-bottom: 8px; color: var(--ink-soft); font-size: 13px; }

.slip__input {
  display: block;
  width: 100%;
  min-height: 112px;
  padding: 12px 14px;
  border: 2px solid rgba(56, 69, 15, 0.32);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.3);
  color: var(--ink);
  font-family: var(--font-kr);
  font-size: 18px;
  line-height: 1.6;
  resize: vertical;
  transition: border-color 0.18s, background-color 0.18s;
}
.slip__input::placeholder { color: rgba(93, 104, 58, 0.72); }
.slip__input:hover { border-color: rgba(56, 69, 15, 0.55); }
.slip__input:focus-visible {
  outline: none;
  border-color: var(--ink);
  background: #f3f0e8;
}

.slip__help {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.5;
}

.slip__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  padding: 4px 22px 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 34px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  border-radius: 0;
  transition: background-color 0.18s, color 0.18s, transform 0.12s;
}
.btn:active { transform: translateY(1px); }
.btn--burn { background: var(--ink); color: var(--paper); border: 2px solid var(--ink); }
.btn--burn:hover { background: #2b3509; }
.btn--paper { background: var(--paper); color: var(--ink); min-height: 52px; padding: 0 30px; }
.btn--paper:hover { background: #ffffff; }

.slip__promise { color: var(--ink-soft); font-size: 13px; line-height: 1.5; }

/* receipt */

.receipt {
  position: relative;
  margin-top: clamp(28px, 4.5vh, 44px);
  padding: 18px 22px 20px;
  border: 2px solid var(--ink);
  background: var(--sheet);
  display: grid;
  gap: 14px;
}

.receipt__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.receipt__title { font-size: 21px; font-weight: 700; line-height: 1.3; }
.receipt__docno { color: var(--ink-soft); font-size: 13px; }

.receipt__rows { display: grid; gap: 8px; }
.receipt__rows > div {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 12px;
  align-items: baseline;
}
.receipt__rows dt { color: var(--ink-soft); font-size: 13px; }
.receipt__rows dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.receipt__note { max-width: 32em; color: var(--ink-soft); font-size: 13px; line-height: 1.6; }

.receipt .btn--again {
  justify-self: start;
  min-height: 52px;
  padding: 0 26px;
  background: var(--ink);
  color: var(--paper);
}
.receipt .btn--again:hover { background: #2b3509; }

.seal {
  position: absolute;
  right: 24px;
  top: 58px;
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border: 3px solid var(--seal);
  color: var(--seal);
  writing-mode: vertical-rl;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.16em;
  transform: rotate(-6deg);
  opacity: 0.92;
}

.live {
  position: absolute;
  width: 2px;
  height: 2px;
  margin: -2px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------- sections ---------- */

.how, .about, .ledger, .faq { padding-top: var(--gap); }
.faq { padding-bottom: calc(var(--gap) * 0.9); }

.h2 {
  margin-bottom: 18px;
  font-size: var(--h2);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.lede {
  margin-bottom: clamp(24px, 4vh, 38px);
  max-width: 30em;
  font-size: 21px;
  line-height: 1.65;
}

.note { color: var(--ink-soft); font-size: 13px; line-height: 1.6; }

.how__figure,
.about__figure,
.faq__figure { margin: 0 0 clamp(26px, 4vh, 38px); }

.how__figure img,
.about__figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius);
  filter: saturate(0.8) brightness(0.84) contrast(1.05);
}

/* the woodpile was shot in daylight: print it as a quiet document photograph */
.about__figure img { filter: grayscale(1) sepia(0.28) brightness(0.62) contrast(1.08); }

.faq__figure img {
  width: 100%;
  height: clamp(280px, 46vh, 500px);
  object-fit: cover;
  border-radius: var(--radius);
  filter: saturate(0.78) brightness(0.8) contrast(1.05);
}

/* ticket: the itinerary printed on a slip */

.ticket {
  margin-top: 8px;
  padding: 24px 26px 0;
  background: var(--ink);
  color: var(--on-dark);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), 96.6% 100%, 93.2% calc(100% - 12px), 90% 100%, 86.6% calc(100% - 12px), 83.3% 100%, 80% calc(100% - 12px), 76.6% 100%, 73.3% calc(100% - 12px), 70% 100%, 66.6% calc(100% - 12px), 63.3% 100%, 60% calc(100% - 12px), 56.6% 100%, 53.3% calc(100% - 12px), 50% 100%, 46.6% calc(100% - 12px), 43.3% 100%, 40% calc(100% - 12px), 36.6% 100%, 33.3% calc(100% - 12px), 30% 100%, 26.6% calc(100% - 12px), 23.3% 100%, 20% calc(100% - 12px), 16.6% 100%, 13.3% calc(100% - 12px), 10% 100%, 6.6% calc(100% - 12px), 3.3% 100%, 0 calc(100% - 12px));
  padding-bottom: 0;
}

.ticket__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
}
.ticket__name { font-size: 21px; font-weight: 700; }
.ticket__total { font-size: 13px; color: rgba(242, 242, 240, 0.66); }

.ticket__rows { display: grid; gap: 22px; padding-bottom: 26px; }

.ticket__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 4px 14px;
  align-items: baseline;
}
.ticket__what { font-size: 18px; font-weight: 700; }
.ticket__time { font-family: var(--font-num); font-size: 15px; font-variant-numeric: tabular-nums; }
.ticket__leader { align-self: end; padding-bottom: 6px; color: rgba(242, 242, 240, 0.3); }
.ticket__leader svg { display: block; width: 100%; height: 4px; }
.ticket__desc {
  grid-column: 1 / -1;
  color: rgba(242, 242, 240, 0.7);
  font-size: 15px;
}

.ticket__stamp {
  margin: 0 -26px;
  padding: 14px 26px;
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

/* letter */

.letter {
  max-width: 34em;
  display: grid;
  gap: 18px;
}
.letter__mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: -2px;
}
.letter p { font-size: 18px; line-height: 1.78; }
.letter__sign { margin-top: 10px; font-size: 21px; font-weight: 700; }
.letter__role { margin-top: -14px; color: var(--ink-soft); font-size: 15px; }

/* ledger: photograph with figure tiles, then the book */

.mosaic {
  display: grid;
  grid-template-columns: 2fr 1fr;
  margin-bottom: clamp(26px, 4vh, 38px);
}
.mosaic__photo {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(0.72) brightness(0.84) contrast(1.04);
}
.mosaic__tiles { display: grid; grid-template-rows: 1fr 1fr; min-height: 0; }

.tile {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 12px;
  padding: 26px;
  min-width: 0;
}
.tile--ink { background: var(--ink); color: var(--on-dark); }
.tile--surface { background: var(--sheet); color: var(--ink); }
.tile__figure {
  font-family: var(--font-num);
  font-size: var(--figure);
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.tile__cap { font-size: 15px; line-height: 1.55; }
.tile__unit { margin-left: 3px; font-family: var(--font-kr); font-size: 15px; font-weight: 400; }

.book__table {
  width: 100%;
  border-collapse: collapse;
  border-top: 2px solid var(--ink);
}
.book__table caption {
  padding-bottom: 12px;
  color: var(--ink-soft);
  font-size: 13px;
  text-align: left;
}
.book__table th,
.book__table td {
  padding: 11px 0;
  border-bottom: 2px solid rgba(56, 69, 15, 0.22);
  text-align: left;
  font-size: 15px;
  font-weight: 400;
}
.book__table th { color: var(--ink-soft); font-size: 13px; }
.book__table td:first-child,
.book__table td:nth-child(2) { font-family: var(--font-num); font-variant-numeric: tabular-nums; }

.book__empty { padding: 18px 0 4px; font-size: 18px; }

.book__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
  padding-top: 16px;
}
.book__foot .note { max-width: 34em; }

.linkbtn {
  padding: 4px 0;
  border-bottom: 2px solid var(--ink);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.4;
  transition: color 0.18s, border-color 0.18s;
}
.linkbtn:hover { color: var(--ink-soft); border-color: var(--ink-soft); }

/* questions */

.qa { display: grid; gap: 6px; }

.qa details { padding: 16px 0 18px; }
.qa summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  font-size: 21px;
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  margin-left: auto;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.2s;
}
.qa details[open] summary::after { transform: rotate(225deg) translate(-2px, -2px); }
.qa summary:hover { color: var(--ink-soft); }
.qa details > p {
  margin-top: 12px;
  max-width: 32em;
  font-size: 18px;
  line-height: 1.72;
}
.qa details a { color: var(--ink); }

.faq__close {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: 36px;
  font-size: 21px;
}
.faq__close .btn { min-height: 52px; padding: 0 26px; }

/* ---------- closing image + footer ---------- */

.cta {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  min-height: 90svh;
  background: var(--night);
  color: var(--on-dark);
  overflow: clip;
}

.cta__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.64) saturate(0.92);
}

.cta__text {
  position: relative;
  z-index: 1;
  grid-column: 2;
  max-width: 620px;
  padding: 0 clamp(24px, 4vw, 64px) clamp(56px, 10vh, 104px) clamp(0px, 5vw, 80px);
}
.cta__title {
  margin-bottom: 18px;
  font-size: var(--cta);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.01em;
}
.cta__text p {
  margin-bottom: 28px;
  max-width: 24em;
  font-size: 18px;
  line-height: 1.7;
}

.footer { background: var(--ink); color: var(--on-dark); }

.footer__split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 72svh;
}

.footer__photo { position: relative; overflow: hidden; }
.footer__photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.9) contrast(1.03);
}

.footer__field {
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 5vh, 60px);
  padding: clamp(36px, 5vw, 68px) clamp(24px, 5vw, 64px);
}

.footer__nav { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.footer__nav a {
  font-size: var(--h2);
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
  transition: transform 0.22s, opacity 0.22s;
}
.footer__nav:hover a { opacity: 0.55; }
.footer__nav a:hover { transform: translateX(12px); opacity: 1; }

.footer__meta {
  display: grid;
  gap: 16px;
  margin-top: auto;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.7;
}
.footer__legal { color: rgba(242, 242, 240, 0.64); font-size: 13px; }

.credits summary { cursor: pointer; font-size: 15px; }
.credits ul {
  display: grid;
  gap: 10px;
  padding-top: 14px;
  color: rgba(242, 242, 240, 0.82);
  font-size: 13px;
  line-height: 1.65;
}
.credits a { color: inherit; }

.footer__close {
  padding: clamp(34px, 5vh, 54px) clamp(24px, 5vw, 64px) clamp(22px, 4vh, 34px);
}
.footer__mark {
  display: block;
  font-size: var(--mark);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.045em;
  text-decoration: none;
  transform-origin: left bottom;
  will-change: transform;
}

/* ---------- motion ---------- */

@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 0.7, 0.2, 1);
    transition-delay: var(--d, 0ms);
  }
  .js .reveal.is-in { opacity: 1; transform: none; }

  .cta__photo { animation: drift 32s ease-in-out infinite alternate; }

  @keyframes drift {
    from { transform: scale(1.02); }
    to { transform: scale(1.1) translateY(-1.4%); }
  }

  .js .receipt .seal { opacity: 0; }
  .js .receipt.is-stamped .seal {
    animation: stamp 0.42s cubic-bezier(0.2, 1.3, 0.4, 1) both;
  }
  @keyframes stamp {
    from { opacity: 0; transform: scale(1.65) rotate(-1deg); }
    to { opacity: 0.92; transform: scale(1) rotate(-6deg); }
  }
}

/* narrow desktop: the reading column is too tight for a 2:1 mosaic */

@media (min-width: 901px) and (max-width: 1199px) {
  .mosaic { display: block; }
  .mosaic__photo { aspect-ratio: 4 / 3; height: auto; }
  .mosaic__tiles { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .tile { min-height: 176px; }
}

/* ---------- tablet: the split closes into one column ---------- */

@media (max-width: 900px) {
  .page { display: block; }

  .stage {
    position: relative;
    top: auto;
    height: 34svh;
    padding: 12px 12px 0;
  }

  .column { padding: 0 24px; }
  .topbar { padding-top: 18px; }
  .hero { padding-top: 30px; }

  .cta {
    display: block;
    min-height: 0;
  }
  .cta__photo { position: static; height: 62svh; }
  .cta__text { max-width: none; padding: 32px 24px 56px; }
  .cta__text p { max-width: 34em; }

  .footer__split { display: block; min-height: 0; }
  .footer__photo { height: 46svh; }
  .footer__photo img { position: static; }
  .footer__field { padding: 32px 24px 40px; }
  .footer__nav a { font-size: var(--h2); }
}

/* tablet closing section: the headline and the action share the band */

@media (min-width: 601px) and (max-width: 900px) {
  .cta__text {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 32px;
    align-items: start;
  }
  .cta__title { grid-column: 1; grid-row: 1 / span 2; margin: 0; }
  .cta__text p { grid-column: 2; grid-row: 1; margin: 0; max-width: 30em; }
  .cta__text .btn { grid-column: 2; grid-row: 2; justify-self: start; width: auto; }
}

/* ---------- phone ---------- */

@media (max-width: 600px) {
  .column { padding: 0 20px; }

  .stage { height: 29svh; padding: 8px 8px 0; }
  .stage__panel { border-radius: 8px; }
  .stage__mark { top: 14px; left: 16px; font-size: 15px; }
  .stage__caption { display: none; }
  .sound { right: 12px; bottom: 10px; min-height: 32px; padding: 4px 9px; }

  .topbar { padding-top: 14px; }
  .topbar__nav { gap: 6px 14px; font-size: 13px; }

  .hero { padding-top: 26px; padding-bottom: 76px; }
  .hero__lead { margin-top: 16px; font-size: 18px; line-height: 1.6; }

  .slip { margin-top: 26px; }
  .slip__head { padding: 13px 16px 11px; }
  .slip__docno { font-size: 13px; }
  .slip__meta > div { padding: 9px 16px; gap: 8px; }
  .slip__field { padding: 14px 16px 2px; }
  .slip__input { min-height: 88px; padding: 10px 12px; }
  .slip__help { margin-top: 8px; }
  .slip__foot { padding: 2px 16px 16px; }
  .btn { width: 100%; min-height: 52px; padding: 0 24px; }
  .slip__promise { text-align: center; width: 100%; }

  .receipt { margin-top: 26px; padding: 16px; }
  .receipt__rows > div { grid-template-columns: 76px 1fr; }
  .seal { right: 16px; top: 54px; width: 54px; height: 54px; font-size: 13px; }

  .how, .about, .ledger, .faq { padding-top: 84px; }
  .faq { padding-bottom: 84px; }

  .lede { font-size: 18px; }

  .ticket { padding: 20px 20px 0; }
  .ticket__total { font-size: 13px; }
  .ticket__stamp { margin: 0 -20px; padding: 13px 20px; }

  .letter p { font-size: 18px; }

  .mosaic { display: block; }
  .mosaic__photo { aspect-ratio: 4 / 3; height: auto; }
  .mosaic__tiles { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .tile { padding: 18px; min-height: 150px; }
  .tile__cap { font-size: 13px; }

  .book__foot { align-items: flex-start; }

  .qa summary { font-size: 18px; gap: 14px; }
  .qa details > p { font-size: 18px; }

  .faq__close { font-size: 18px; margin-top: 28px; }

  .cta__photo { height: 62svh; }
  .cta__text { padding: 28px 20px 48px; }
  .cta__text p { font-size: 18px; }

  .footer__photo { height: 40svh; }
  .footer__field { padding: 28px 20px 32px; gap: 28px; }
  .footer__meta { font-size: 15px; }
  .footer__close { padding: 30px 20px 24px; }
}
[hidden] { display: none !important; }

/* the slip in flight */
.flight {
  position: fixed;
  z-index: 40;
  padding: 11px 13px 13px;
  border: 2px solid #38450f;
  background: #f0ebdd;
  color: #2c3509;
  font-family: "Gowun Batang", serif;
  pointer-events: none;
  transform-origin: center;
  will-change: transform;
}
.flight__head {
  display: block;
  margin-bottom: 6px;
  padding-bottom: 5px;
  border-bottom: 2px solid rgba(56, 69, 15, 0.35);
  color: #5d683a;
  font-family: "Zilla Slab", serif;
  font-size: 11px;
  letter-spacing: 0.01em;
}
.flight__body {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  font-size: 13px;
  line-height: 1.5;
}
.flight__seal {
  position: absolute;
  right: 8px;
  bottom: 8px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 26px;
  border: 2px solid #a8341a;
  color: #a8341a;
  font-size: 9px;
  line-height: 1;
  opacity: 0.85;
  writing-mode: vertical-rl;
}

@media (prefers-reduced-motion: no-preference) {
  .receipt.is-new { animation: receipt-in 0.5s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
  .slip.is-empty { animation: slip-shake 0.42s ease; }
  @keyframes receipt-in {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: none; }
  }
  @keyframes slip-shake {
    20% { transform: translateX(-6px); }
    45% { transform: translateX(5px); }
    70% { transform: translateX(-3px); }
  }
}
.footer__credit {
  color: rgba(242, 242, 240, 0.7);
  font-size: 13px;
  line-height: 1.6;
}