/* A 年代記 "Album Odometer" — markup in src/dir-a.mjs */
.dir--a .dir__screen {
  container-type: inline-size;
}
.dir--a {
  --paper: #ece2cf;
  --ink: #3b2c1e;
  --amber: #c98a3c;
  --expo: cubic-bezier(0.16, 1, 0.3, 1);
}
.dir--a .film {
  background: var(--paper);
  background-image: radial-gradient(120% 90% at 50% 40%, #f2e9d7, #e3d7c0);
}
/* cuts: the new frame is opaque at once; its print wipes in over the previous one */
.dir--a .frame,
.dir--a .frame.is-leaving {
  transition: none;
}
/* captions stay for screen readers only; the odometer is the visible year */
.dir--a .cap {
  position: absolute;
  inset: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* the print on its mat */
.dir--a .print {
  position: absolute;
  top: 6cqi;
  left: 6cqi;
  right: 6cqi;
  height: 76cqi;
  overflow: hidden;
  background: #cdbfa6;
  box-shadow: 0 0.4cqi 2.4cqi -0.8cqi rgba(70, 45, 20, 0.45);
  clip-path: inset(0 0 0 100%);
  transform: translate3d(4%, 0, 0);
}
.dir--a .frame.is-active .print,
.dir--a .frame.is-leaving .print {
  animation: a-wipe 1.6s var(--expo) both;
}
@keyframes a-wipe {
  0%,
  6% {
    clip-path: inset(0 0 0 100%);
    transform: translate3d(4%, 0, 0);
  }
  to {
    clip-path: inset(0);
    transform: none;
  }
}
.dir--a .frame img {
  filter: sepia(0.22) saturate(0.9) contrast(0.88) brightness(1.06);
}
/* lifted blacks + hairline edge */
.dir--a .print::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: rgba(255, 224, 176, 0.13);
  box-shadow: inset 0 0 0 1px rgba(60, 40, 20, 0.22);
}
/* amber light leak sweeping across at each cut */
.dir--a .print::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 90%;
  z-index: 2;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0;
  background: linear-gradient(100deg, transparent 0%, rgba(255, 150, 50, 0.28) 40%, rgba(255, 205, 130, 0.4) 55%, transparent 100%);
  transform: translate3d(-100%, 0, 0);
}
.dir--a .frame.is-active .print::after {
  animation: a-leak 1.95s cubic-bezier(0.45, 0, 0.2, 1) both;
}
@keyframes a-leak {
  0%,
  3% {
    opacity: 0;
    transform: translate3d(190%, 0, 0);
  }
  18% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate3d(-110%, 0, 0);
  }
}

/* odometer */
.dir--a .odo {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  top: 87cqi;
  display: flex;
  justify-content: center;
  pointer-events: none;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 500;
  font-size: 12.5cqi;
  line-height: 1.1;
}
.lang-en .dir--a .odo {
  font-family: var(--latin);
  font-weight: 500;
  font-size: 14cqi;
  font-feature-settings: "lnum" 1, "tnum" 1;
  font-variant-numeric: lining-nums tabular-nums;
}
.dir--a .odo__s {
  --v: var(--f0);
  display: block;
  width: 1.04em;
  height: 1.1em;
  overflow: hidden;
  text-align: center;
  -webkit-mask-image: linear-gradient(transparent, #000 22%, #000 78%, transparent);
  mask-image: linear-gradient(transparent, #000 22%, #000 78%, transparent);
}
.lang-en .dir--a .odo__s {
  width: 0.56em;
}
.dir--a .odo__r {
  display: block;
  transform: translate3d(0, calc(var(--v) * -1.1em), 0);
  transition: transform 1.5s var(--expo) calc(0.25s + var(--k) * 0.08s);
}
.dir--a .odo__r i {
  display: block;
  height: 1.1em;
  font-style: normal;
}
.dir--a .film[data-f="1"] .odo__s {
  --v: var(--f1);
}
.dir--a .film[data-f="2"] .odo__s {
  --v: var(--f2);
}

/* decade ruler */
.dir--a .ruler {
  --p: var(--p0);
  position: absolute;
  z-index: 3;
  left: 6cqi;
  right: 64px;
  bottom: 15cqi;
  height: 1px;
  background: rgba(59, 44, 30, 0.55);
  pointer-events: none;
}
.dir--a .film[data-f="1"] .ruler {
  --p: var(--p1);
}
.dir--a .film[data-f="2"] .ruler {
  --p: var(--p2);
}
.dir--a .ruler__t i {
  position: absolute;
  bottom: 0;
  left: calc(var(--i) * 5%);
  width: 1px;
  height: 1.4cqi;
  background: rgba(59, 44, 30, 0.55);
}
.dir--a .ruler__t i.maj {
  height: 3cqi;
  background: rgba(59, 44, 30, 0.8);
}
.dir--a .ruler__m {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 1px;
  height: 5.6cqi;
  background: var(--amber);
  transform: translate3d(calc(var(--p) * (94cqi - 64px)), 0, 0);
  transition: transform 1.6s var(--expo) 0.2s;
}
.dir--a .ruler__m::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1.5px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--amber);
}