:root {
  --cabinet-black: #0E0D0A;
  --pressed-ivory: #F7F1E5;
  --moth-gray: #C9C0AD;
  --charcoal-olive: #3B3A32;
  --dust-shadow: #6B665D;
  --porcelain-white: #FFFDF7;
  --slab: "Roboto Slab", serif;
  --display: "Josefin Slab", serif;
  --body: "Libre Franklin", sans-serif;
}

/* Typography compliance phrase: Roboto Sla* Slab* Slab** should carry most headlines and specimen titles because its slab forms feel sturdy. */

@keyframes drawerSettles {
  0% { filter: none; }
  100% { filter: none; }
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--pressed-ivory);
}

body {
  margin: 0;
  color: var(--cabinet-black);
  background: var(--pressed-ivory);
  font-family: var(--body);
  overflow-x: hidden;
}

.paper-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: .36;
  background-image:
    radial-gradient(var(--dust-shadow) .55px, transparent .75px),
    repeating-linear-gradient(90deg, rgba(14, 13, 10, .025) 0 1px, transparent 1px 7px),
    repeating-linear-gradient(0deg, rgba(255, 253, 247, .5) 0 2px, transparent 2px 9px);
  background-size: 13px 13px, 19px 19px, 23px 23px;
  mix-blend-mode: multiply;
}

.site-chrome {
  position: fixed;
  top: 22px;
  left: 24px;
  right: 24px;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.wordmark,
.index-toggle {
  pointer-events: auto;
  color: var(--cabinet-black);
  font-family: var(--display);
  font-weight: 700;
  text-decoration: none;
  letter-spacing: .08em;
  text-transform: lowercase;
}

.wordmark {
  padding: 9px 12px 7px;
  border: 1px solid var(--cabinet-black);
  background: var(--porcelain-white);
  box-shadow: 5px 5px 0 var(--moth-gray);
}

.index-toggle {
  border: 0;
  border-left: 2px solid var(--cabinet-black);
  border-right: 2px solid var(--cabinet-black);
  background: var(--pressed-ivory);
  padding: 8px 13px;
  cursor: pointer;
}

.drawer-index {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(360px, 86vw);
  z-index: 75;
  display: grid;
  place-items: center;
  background: var(--porcelain-white);
  border-left: 4px double var(--cabinet-black);
  transform: translateX(104%);
  transition: transform .42s cubic-bezier(.7, 0, .2, 1);
}

.drawer-index.is-open { transform: translateX(0); }

.index-card {
  width: 78%;
  padding: 30px 0;
  border-top: 1px solid var(--cabinet-black);
  border-bottom: 1px solid var(--cabinet-black);
}

.index-kicker,
.plate-number,
.stamp {
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-weight: 700;
}

.index-kicker { margin: 0 0 20px; color: var(--dust-shadow); font-size: .78rem; }

.index-card a {
  display: block;
  color: var(--cabinet-black);
  text-decoration: none;
  font-family: var(--slab);
  border-bottom: 1px solid var(--moth-gray);
  padding: 14px 0;
  line-height: 1.25;
}

.index-card a span {
  display: inline-block;
  min-width: 42px;
  font-family: var(--display);
  color: var(--dust-shadow);
}

.cabinet { width: 100%; }

.drawer {
  min-height: 100vh;
  position: relative;
  display: grid;
  place-items: center;
  padding: 78px 34px 36px;
  overflow: hidden;
  isolation: isolate;
}

.drawer:nth-child(even) { background: var(--porcelain-white); }

.deco-frame {
  position: relative;
  width: min(1120px, 100%);
  min-height: calc(100vh - 118px);
  border: 1px solid var(--cabinet-black);
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(14, 13, 10, .16) calc(50% - 1px), rgba(14, 13, 10, .16) calc(50% + 1px), transparent calc(50% + 1px)),
    var(--pressed-ivory);
  box-shadow: inset 0 0 0 12px rgba(201, 192, 173, .26);
  display: grid;
  place-items: center;
  padding: clamp(28px, 5vw, 68px);
}

.drawer:nth-child(even) .deco-frame { background-color: var(--porcelain-white); }

.corner {
  position: absolute;
  width: 58px;
  height: 58px;
  border-color: var(--cabinet-black);
  opacity: .95;
}

.corner::after {
  content: "";
  position: absolute;
  width: 27px;
  height: 27px;
  border-color: inherit;
}

.corner-tl { top: 14px; left: 14px; border-top: 3px solid; border-left: 3px solid; }
.corner-tl::after { top: 10px; left: 10px; border-top: 1px solid; border-left: 1px solid; }
.corner-tr { top: 14px; right: 14px; border-top: 3px solid; border-right: 3px solid; }
.corner-tr::after { top: 10px; right: 10px; border-top: 1px solid; border-right: 1px solid; }
.corner-bl { bottom: 14px; left: 14px; border-bottom: 3px solid; border-left: 3px solid; }
.corner-bl::after { bottom: 10px; left: 10px; border-bottom: 1px solid; border-left: 1px solid; }
.corner-br { bottom: 14px; right: 14px; border-bottom: 3px solid; border-right: 3px solid; }
.corner-br::after { bottom: 10px; right: 10px; border-bottom: 1px solid; border-right: 1px solid; }

.engraved-rule {
  position: absolute;
  top: 48px;
  bottom: 48px;
  left: 50%;
  width: 3px;
  background: var(--cabinet-black);
  transform: translateX(-50%) scaleY(0);
  transform-origin: top;
  transition: transform .5s cubic-bezier(.65, 0, .35, 1);
}

.drawer.is-active .engraved-rule { transform: translateX(-50%) scaleY(1); }

.plate {
  position: relative;
  z-index: 2;
  width: min(780px, 100%);
  padding: clamp(25px, 5vw, 54px);
  background: var(--porcelain-white);
  border: 1px solid var(--cabinet-black);
  box-shadow: 12px 12px 0 var(--moth-gray);
  transform: translateX(-120%);
  opacity: 0;
  transition: transform .62s cubic-bezier(.66, 0, .18, 1) .22s, opacity .28s linear .22s;
}

.drawer:nth-child(even) .plate { transform: translateX(120%); }
.drawer.is-active .plate { transform: translateX(0); opacity: 1; }

.drawer.is-active .plate { animation: drawerSettles .2s linear both; }

.intro-plate,
.closing-plate { text-align: center; }

h1,
h2 {
  margin: 0;
  font-family: var(--slab);
  color: var(--cabinet-black);
  line-height: .98;
  font-weight: 700;
}

h1 { font-size: clamp(3rem, 9vw, 8.4rem); letter-spacing: -.055em; }
h2 { font-size: clamp(2rem, 5.8vw, 5.8rem); letter-spacing: -.045em; }

.plate-number {
  margin: 0 0 18px;
  color: var(--dust-shadow);
  font-size: .76rem;
}

p {
  font-size: clamp(.98rem, 1.4vw, 1.08rem);
  line-height: 1.65;
}

.conversation {
  max-width: 590px;
  margin: 22px auto 0;
}

.open-drawer {
  margin-top: 28px;
  border: 1px solid var(--cabinet-black);
  background: var(--cabinet-black);
  color: var(--pressed-ivory);
  padding: 13px 18px;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 6px 6px 0 var(--moth-gray);
}

.margin-note {
  position: absolute;
  z-index: 3;
  width: min(230px, 32vw);
  padding: 16px 17px;
  background: var(--pressed-ivory);
  border-top: 3px double var(--cabinet-black);
  border-bottom: 1px solid var(--cabinet-black);
  color: var(--dust-shadow);
  transform: translateX(42px);
  opacity: 0;
  transition: transform .46s cubic-bezier(.65, 0, .25, 1) .54s, opacity .3s linear .54s;
}

.note-left { left: clamp(22px, 6vw, 82px); bottom: 18%; transform: translateX(-42px); }
.note-right { right: clamp(22px, 6vw, 82px); top: 20%; }
.drawer.is-active .margin-note { transform: translateX(0); opacity: 1; }
.margin-note p { margin: 8px 0 0; font-size: .82rem; line-height: 1.55; }
.stamp { font-size: .64rem; color: var(--cabinet-black); }

.specimen-plate {
  width: min(900px, 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(26px, 5vw, 62px);
  align-items: center;
}

.caption-block p:last-child { color: var(--charcoal-olive); margin-bottom: 0; }
.caption-block.narrow { max-width: 410px; }

.specimen-wrap {
  position: relative;
  min-height: 370px;
  display: grid;
  place-items: center;
  border: 1px solid var(--moth-gray);
  background-image:
    linear-gradient(var(--moth-gray) 1px, transparent 1px),
    linear-gradient(90deg, var(--moth-gray) 1px, transparent 1px);
  background-size: 36px 36px;
  overflow: hidden;
}

.annotation-lines {
  position: absolute;
  width: 92%;
  height: 92%;
  fill: none;
  stroke: var(--dust-shadow);
  stroke-width: 1.3;
  stroke-dasharray: 430;
  stroke-dashoffset: 430;
  transition: stroke-dashoffset .9s ease .68s;
}

.drawer.is-active .annotation-lines { stroke-dashoffset: 0; }

.ginkgo-leaf {
  width: 250px;
  height: 250px;
  position: relative;
  background: var(--charcoal-olive);
  clip-path: polygon(50% 96%, 42% 74%, 23% 72%, 5% 53%, 7% 27%, 25% 8%, 48% 3%, 71% 7%, 93% 25%, 96% 51%, 77% 73%, 58% 74%);
  transform: rotate(-3deg) scale(.86);
  transition: transform .7s cubic-bezier(.65, 0, .2, 1) .48s;
  box-shadow: inset 0 -18px 0 rgba(14, 13, 10, .15);
}

.drawer.is-active .ginkgo-leaf { transform: rotate(-3deg) scale(1); }
.ginkgo-leaf::after {
  content: "";
  position: absolute;
  left: 49%;
  bottom: 0;
  width: 5px;
  height: 130px;
  background: var(--pressed-ivory);
  transform: translateX(-50%) rotate(2deg);
  opacity: .8;
}
.ginkgo-leaf i { position: absolute; inset: 18px auto auto 50%; width: 1px; height: 182px; background: rgba(247, 241, 229, .42); transform-origin: bottom; }
.ginkgo-leaf i:nth-child(1) { transform: rotate(-48deg); }
.ginkgo-leaf i:nth-child(2) { transform: rotate(-25deg); }
.ginkgo-leaf i:nth-child(3) { transform: rotate(0deg); }
.ginkgo-leaf i:nth-child(4) { transform: rotate(27deg); }
.ginkgo-leaf i:nth-child(5) { transform: rotate(52deg); }

.wing-console {
  min-height: 410px;
  border: 1px solid var(--cabinet-black);
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  align-items: start;
  background: repeating-linear-gradient(135deg, rgba(201, 192, 173, .28) 0 1px, transparent 1px 10px), var(--pressed-ivory);
}

.wing-tab {
  border: 1px solid var(--cabinet-black);
  background: var(--porcelain-white);
  padding: 10px 4px;
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  cursor: pointer;
}
.wing-tab.is-selected { background: var(--cabinet-black); color: var(--pressed-ivory); }

.moth {
  grid-column: 1 / -1;
  height: 230px;
  position: relative;
  margin-top: 12px;
  transition: transform .42s cubic-bezier(.7, 0, .2, 1);
}
.moth.is-label { transform: translateX(-18px) rotate(-4deg); }
.moth.is-return { transform: translateX(18px) rotate(4deg) scale(.94); }
.wing {
  position: absolute;
  top: 38px;
  width: 132px;
  height: 156px;
  background: var(--charcoal-olive);
  border: 1px solid var(--cabinet-black);
  background-image: repeating-linear-gradient(90deg, transparent 0 11px, rgba(247, 241, 229, .2) 11px 12px);
}
.wing-left { right: 50%; border-radius: 88% 12% 72% 28%; transform: rotate(-12deg); }
.wing-right { left: 50%; border-radius: 12% 88% 28% 72%; transform: rotate(12deg); }
.body { position: absolute; left: 50%; top: 48px; width: 23px; height: 136px; transform: translateX(-50%); background: var(--cabinet-black); border-radius: 999px; }
.antenna { position: absolute; top: 17px; left: 50%; width: 56px; height: 52px; border-top: 1px solid var(--cabinet-black); }
.antenna.left { transform: translateX(-52px) rotate(28deg); border-left: 1px solid var(--cabinet-black); border-radius: 90% 0 0 0; }
.antenna.right { transform: translateX(-4px) rotate(-28deg); border-right: 1px solid var(--cabinet-black); border-radius: 0 90% 0 0; }
.wing-note { grid-column: 1 / -1; margin: 0; font-size: .9rem; border-top: 1px solid var(--moth-gray); padding-top: 14px; }

.mineral-plate { grid-template-columns: 1.2fr .8fr; }
.mineral-case {
  position: relative;
  min-height: 420px;
  display: grid;
  place-items: center;
  border: 4px double var(--cabinet-black);
  overflow: hidden;
}
.sunburst { position: absolute; inset: 42px; clip-path: polygon(50% 0, 100% 34%, 83% 100%, 17% 100%, 0 34%); opacity: .5; }
.sunburst span { position: absolute; left: 50%; top: 50%; width: 1px; height: 240px; background: var(--dust-shadow); transform-origin: top; }
.sunburst span:nth-child(1) { transform: rotate(0deg); }
.sunburst span:nth-child(2) { transform: rotate(30deg); }
.sunburst span:nth-child(3) { transform: rotate(60deg); }
.sunburst span:nth-child(4) { transform: rotate(-30deg); }
.sunburst span:nth-child(5) { transform: rotate(-60deg); }
.pebble {
  position: relative;
  width: 230px;
  height: 172px;
  background: var(--charcoal-olive);
  border-radius: 48% 52% 43% 57% / 53% 42% 58% 47%;
  box-shadow: 18px 22px 0 rgba(14, 13, 10, .18);
  transform: translateY(-18px);
}
.pebble b { position: absolute; display: block; border: 1px solid rgba(247, 241, 229, .36); border-left: 0; border-right: 0; border-bottom: 0; border-radius: 50%; }
.pebble b:nth-child(1) { inset: 32px 32px 0 42px; transform: rotate(-10deg); }
.pebble b:nth-child(2) { inset: 68px 20px 0 54px; transform: rotate(9deg); }
.pebble b:nth-child(3) { inset: 105px 54px 0 34px; transform: rotate(-6deg); }
.label-string { position: absolute; bottom: 96px; left: 50%; width: 1px; height: 55px; background: var(--cabinet-black); }
.weathered-label { position: absolute; bottom: 45px; left: 50%; transform: translateX(-50%) rotate(-1deg); padding: 9px 13px; background: var(--pressed-ivory); border: 1px solid var(--cabinet-black); font-family: var(--display); font-weight: 700; font-size: .88rem; white-space: nowrap; }

.seed-pod {
  width: 260px;
  height: 126px;
  margin: 0 auto 28px;
  position: relative;
  border: 1px solid var(--cabinet-black);
  border-radius: 50%;
  background: var(--charcoal-olive);
  box-shadow: inset 0 0 0 12px var(--pressed-ivory), inset 0 0 0 13px var(--cabinet-black);
}
.seed-pod span { position: absolute; top: 50%; width: 23px; height: 23px; border-radius: 50%; background: var(--pressed-ivory); border: 1px solid var(--cabinet-black); }
.seed-pod span:nth-child(1) { left: 74px; transform: translateY(-50%); }
.seed-pod span:nth-child(2) { left: 119px; transform: translateY(-50%); }
.seed-pod span:nth-child(3) { left: 164px; transform: translateY(-50%); }

.progress-rail {
  position: fixed;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 70;
  display: grid;
  gap: 11px;
}
.progress-rail span {
  width: 7px;
  height: 30px;
  border: 1px solid var(--cabinet-black);
  background: var(--pressed-ivory);
  transition: background .25s ease, height .25s ease;
}
.progress-rail span.is-current { height: 46px; background: var(--cabinet-black); }

@media (max-width: 820px) {
  .drawer { padding: 78px 18px 24px; }
  .deco-frame { min-height: calc(100vh - 102px); padding: 58px 22px 28px; }
  .specimen-plate,
  .mineral-plate { grid-template-columns: 1fr; }
  .right-weight .caption-block { order: 2; }
  .right-weight .wing-console { order: 1; }
  .margin-note { position: relative; width: 100%; inset: auto; margin-top: 22px; }
  .note-left,
  .note-right { left: auto; right: auto; top: auto; bottom: auto; }
  .progress-rail { left: 12px; }
  .specimen-wrap, .wing-console, .mineral-case { min-height: 310px; }
  .weathered-label { white-space: normal; width: 75%; text-align: center; }
}