:root {
  /* Design typography record: IBM Plex Mono* Mono** for coordinates; Playfair Display* Display** 800/900 for `chika.day`; Source Serif 4* 4** 400/500/600 for article snippets and field notes. */
  --paper: #E9D8B7;
  --ink: #2E2418;
  --clay: #9B4A2F;
  --olive: #6F7151;
  --brass: #B08A42;
  --lagoon: #2D8C8A;
  --coral: #E06B4F;
  --kelp: #4B3A2B;
  --display: "Playfair Display", "Playfair", Georgia, "Times New Roman", serif;
  --body: "Source Serif 4", Georgia, Cambria, serif;
  --jp: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 14% 18%, rgba(176, 138, 66, .18), transparent 24rem),
    radial-gradient(circle at 84% 22%, rgba(45, 140, 138, .13), transparent 18rem),
    linear-gradient(90deg, rgba(46, 36, 24, .035) 1px, transparent 1px),
    linear-gradient(rgba(46, 36, 24, .025) 1px, transparent 1px);
  background-size: auto, auto, 41px 41px, 41px 41px;
  pointer-events: none;
  z-index: -3;
}

.type-ledger {
  position: fixed;
  left: -200vw;
  top: 0;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  opacity: .33;
  background-image:
    radial-gradient(rgba(46, 36, 24, .18) .7px, transparent .8px),
    radial-gradient(rgba(233, 216, 183, .55) .8px, transparent 1px);
  background-size: 7px 7px, 11px 11px;
  mix-blend-mode: multiply;
}

.date-ruler {
  position: fixed;
  top: 0;
  left: 0;
  width: 86px;
  height: 100vh;
  z-index: 15;
  font-family: var(--mono);
  color: var(--ink);
  background: linear-gradient(90deg, rgba(111, 113, 81, .34), rgba(233, 216, 183, .1));
  border-right: 1px solid rgba(46, 36, 24, .28);
}

.ruler-spine {
  position: absolute;
  left: 42px;
  top: 26px;
  bottom: 26px;
  width: 2px;
  background: var(--ink);
}

.ruler-spine::before {
  content: "";
  position: absolute;
  inset: 0 -12px;
  background: repeating-linear-gradient(to bottom, transparent 0 17px, rgba(46, 36, 24, .65) 17px 18px);
}

.ruler-current {
  position: absolute;
  left: 9px;
  top: 11%;
  width: 67px;
  height: 24px;
  background: var(--clay);
  color: var(--paper);
  transform: translateY(-50%);
  transition: top .7s cubic-bezier(.2, .8, .2, 1);
  display: grid;
  place-items: center;
  font-size: 11px;
  box-shadow: 3px 3px 0 var(--brass);
}

.ruler-tick {
  position: absolute;
  left: 50px;
  color: var(--ink);
  text-decoration: none;
  font-size: 10px;
  letter-spacing: .07em;
  text-transform: uppercase;
  transform: translateY(-50%);
}

.ruler-tick::before {
  content: "";
  position: absolute;
  right: calc(100% + 5px);
  top: 50%;
  width: 18px;
  height: 1px;
  background: var(--ink);
}

.ruler-tick.active { color: var(--clay); }
.ruler-tick[data-edition="0"] { top: 11%; }
.ruler-tick[data-edition="1"] { top: 31%; }
.ruler-tick[data-edition="2"] { top: 51%; }
.ruler-tick[data-edition="3"] { top: 71%; }
.ruler-tick[data-edition="4"] { top: 91%; }

.almanac { margin-left: 86px; }

.edition {
  position: relative;
  min-height: 100vh;
  padding: clamp(38px, 6vw, 82px) clamp(20px, 5vw, 74px);
  border-bottom: 1px solid rgba(46, 36, 24, .24);
  isolation: isolate;
}

.edition::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(46, 36, 24, .18);
  pointer-events: none;
  z-index: -1;
}

.hero-edition { padding-top: 26px; }

.kicker, .card-id, .jp-label {
  font-family: var(--jp);
  font-weight: 700;
  color: var(--clay);
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: 12px;
}

.card-id { font-family: var(--mono); color: var(--brass); font-size: 11px; }

.masthead {
  margin: 0 0 16px;
  font-family: var(--display);
  font-weight: 900;
  letter-spacing: -.085em;
  font-size: clamp(82px, 17vw, 244px);
  line-height: .78;
  text-shadow: 3px 2px 0 rgba(155, 74, 47, .85), -2px -1px 0 rgba(176, 138, 66, .65);
}

.edition-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 28px;
  border-bottom: 4px double rgba(46, 36, 24, .65);
}

.edition-header h2, .paper-card h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(45px, 7vw, 92px);
  line-height: .88;
  letter-spacing: -.055em;
}

.paper-card {
  position: relative;
  background: rgba(233, 216, 183, .92);
  border: 1px solid rgba(46, 36, 24, .55);
  padding: 21px;
  min-height: 158px;
  box-shadow: 8px 9px 0 rgba(75, 58, 43, .18), 0 0 0 5px rgba(233, 216, 183, .35) inset;
  clip-path: polygon(0 8px, 96% 0, 100% 92%, 92% 100%, 3px 100%, 0 14%);
  transform: translateY(22px) rotate(var(--tilt, 0deg));
  opacity: 0;
  transition: transform .8s cubic-bezier(.2, .9, .2, 1), opacity .8s ease;
}

.paper-card.in-view { transform: translateY(0) rotate(var(--tilt, 0deg)); opacity: 1; }

.paper-card h3 {
  margin: 10px 0 8px;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 40px);
  line-height: .96;
  letter-spacing: -.035em;
}

.paper-card p, .paper-card li {
  font-size: 17px;
  line-height: 1.42;
}

.masonry-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-auto-rows: minmax(82px, auto);
  gap: 18px;
  align-items: stretch;
}

.span-2 { grid-column: span 2; }
.tall { grid-row: span 2; }
.narrow { grid-column: span 1; }
.hero-grid .intro-note { grid-column: span 3; --tilt: -1deg; }
.hero-grid .tide-card { grid-column: span 2; --tilt: 1.2deg; }
.hero-grid .vertical-note { --tilt: -.8deg; writing-mode: vertical-rl; text-orientation: mixed; }
.dense-grid .plate-card { grid-column: span 3; --tilt: -.7deg; }
.dense-grid .time-slip { grid-column: span 2; --tilt: 1deg; }
.dense-grid .mini-calendar { grid-column: span 1; --tilt: -1.5deg; }
.pull-card { grid-column: span 3; --tilt: .7deg; }
.pin-card, .coral-card { grid-column: span 2; }
.errata-grid .span-2 { grid-column: span 3; }

.olive-card, .archive-board {
  background: var(--olive);
  color: var(--paper);
  border-color: var(--ink);
}

.tide-card strong {
  display: block;
  font-family: var(--display);
  font-size: clamp(52px, 8vw, 100px);
  line-height: .85;
  color: currentColor;
}

.hero-stamps {
  position: absolute;
  inset: 11% 8% auto auto;
  width: 300px;
  height: 170px;
  pointer-events: none;
}

.fish-stamp, .fish-mark {
  display: inline-grid;
  place-items: center;
  font-family: var(--jp);
  color: var(--lagoon);
  text-shadow: 2px 1px 0 var(--coral);
  border: 2px solid var(--brass);
  border-radius: 999px;
  background: rgba(233, 216, 183, .76);
}

.fish-stamp {
  position: absolute;
  min-width: 74px;
  min-height: 52px;
  opacity: 0;
  transform: translate(40px, -24px) rotate(-11deg) scale(.8);
  transition: transform 1.1s cubic-bezier(.2, .9, .1, 1), opacity .8s ease;
}

.fish-stamp.stamped { opacity: 1; transform: translate(0, 0) rotate(var(--r)) scale(1); }
.stamp-one { left: 8px; top: 6px; --r: -8deg; }
.stamp-two { right: 38px; top: 46px; --r: 12deg; }
.stamp-three { left: 84px; bottom: 8px; --r: 4deg; }

.icon-row { display: flex; gap: 16px; font-size: 42px; color: var(--lagoon); text-shadow: 2px 1px 0 var(--coral); }
.fish-blue { background: linear-gradient(135deg, rgba(45, 140, 138, .24), rgba(233, 216, 183, .92)); }
.stamp-seal, .wax-seal {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--clay);
  color: var(--paper);
  font-family: var(--jp);
  font-weight: 700;
  transform: rotate(-9deg);
}

.mini-calendar .calendar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 14px; }
.mini-calendar b { border: 1px solid rgba(46, 36, 24, .45); text-align: center; padding: 8px 0; font-family: var(--mono); }
.mini-calendar .marked { background: var(--coral); color: var(--paper); }

blockquote {
  margin: 0;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(42px, 6vw, 83px);
  line-height: .9;
  letter-spacing: -.055em;
  color: var(--clay);
}

.paperclip {
  position: absolute;
  right: 18px;
  top: -11px;
  width: 27px;
  height: 55px;
  border: 4px solid var(--brass);
  border-left-width: 2px;
  border-radius: 15px;
  transform: rotate(12deg);
}

.coral-card { background: rgba(224, 107, 79, .22); }
.fish-mark { width: 84px; height: 62px; font-size: 38px; }

.redacted {
  color: var(--clay);
  text-decoration: line-through 4px var(--ink);
  cursor: default;
}

.corrected { border-left: 5px solid var(--brass); padding-left: 14px; }
.correction-card:hover, .correction-card:focus, .correction-card.shiver { animation: editorial-shake .28s linear 1; }
.zig-card { background-image: repeating-linear-gradient(135deg, rgba(155, 74, 47, .2) 0 8px, transparent 8px 18px); }

@keyframes editorial-shake {
  0%, 100% { transform: translateX(0) rotate(var(--tilt, 0deg)); }
  25% { transform: translateX(-4px) rotate(calc(var(--tilt, 0deg) - .4deg)); }
  50% { transform: translateX(3px) rotate(calc(var(--tilt, 0deg) + .3deg)); }
  75% { transform: translateX(-2px) rotate(var(--tilt, 0deg)); }
}

.specimen-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.specimen-plate { min-height: 64vh; display: flex; flex-direction: column; justify-content: space-between; }
.specimen-plate.raised { margin-top: 48px; }
.plate-icon {
  min-height: 220px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(46, 36, 24, .38);
  background:
    radial-gradient(circle, rgba(45, 140, 138, .16), transparent 32%),
    repeating-radial-gradient(circle, rgba(46, 36, 24, .12) 0 1px, transparent 1px 10px);
}
.plate-icon span { font-size: clamp(92px, 12vw, 168px); color: var(--lagoon); text-shadow: 5px 2px 0 var(--coral), -3px 2px 0 var(--brass); }

.evening-edition { background: linear-gradient(180deg, transparent, rgba(75, 58, 43, .18)); }
.archive-board { padding: clamp(24px, 4vw, 48px); box-shadow: inset 0 0 0 1px rgba(233, 216, 183, .3), 14px 14px 0 rgba(46, 36, 24, .22); }
.archive-board .paper-card { color: var(--ink); }
.closing-grid .final-note { grid-column: span 3; }
.closing-grid .tide-card, .closing-grid .last-stamp { grid-column: span 1; }

@media (max-width: 900px) {
  .date-ruler { width: 54px; }
  .ruler-tick span { display: none; }
  .ruler-current { width: 48px; left: 3px; font-size: 9px; }
  .ruler-spine { left: 27px; }
  .almanac { margin-left: 54px; }
  .masonry-grid, .specimen-wall { grid-template-columns: 1fr; }
  .span-2, .hero-grid .intro-note, .hero-grid .tide-card, .dense-grid .plate-card, .dense-grid .time-slip, .dense-grid .mini-calendar, .pull-card, .pin-card, .coral-card, .errata-grid .span-2, .closing-grid .final-note, .closing-grid .tide-card, .closing-grid .last-stamp { grid-column: span 1; }
  .hero-stamps { position: relative; inset: auto; margin-left: auto; }
  .hero-grid .vertical-note { writing-mode: horizontal-tb; }
  .specimen-plate, .specimen-plate.raised { min-height: auto; margin-top: 0; }
}