/* Civara vision page. Palette variables come from generated/palette.css. */

/* The wordmark's face: Fraunces (SIL OFL, fonts/OFL.txt), cut down to the five letters "Civara" uses. */
@font-face {
  font-family: "Fraunces Civara";
  src: url("fonts/fraunces-civara.woff2") format("woff2");
  font-display: block;
}

:root {
  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, serif;
  --pad: max(22px, env(safe-area-inset-left), env(safe-area-inset-right));
  --top: calc(env(safe-area-inset-top) + 18px);
  --bottom: calc(env(safe-area-inset-bottom) + 28px);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  /* Where the camera pins the anchor: a little above center, clear of the five lines below. */
  --focus: 44%;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: var(--paper);
  color: var(--ink);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--serif);
  line-height: 1.35;
}

/* Title card */

/* The mark, the name, the tagline, then the golden thread running on down into the story. */
.title {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: var(--pad) var(--pad) var(--bottom);
  text-align: center;
}

.title::before {
  content: "";
  flex: 1;
}

/* The mark grows with the name, from 64px on a phone to sit in proportion on a wide screen. */
.mark {
  width: clamp(4rem, 16vw, 5.75rem);
  height: auto;
}

.title h1 {
  font-family: "Fraunces Civara", var(--serif);
  font-size: clamp(3.4rem, 18vw, 6.5rem);
  font-weight: 400;
  line-height: 1;
}

/* The dot of the i is gold, like the green at the mark's center: the letter is painted ink below
   its x-height and gold above it, so the word stays plain text. */
.title h1 .i {
  background: linear-gradient(var(--accent) 0 var(--tittle, 38%), var(--ink) var(--tittle, 38%));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  font-size: clamp(1.1rem, 4.6vw, 1.4rem);
  font-style: italic;
}

.title .thread {
  flex: 1;
  width: 2px;
  min-height: 3rem;
  margin-top: 0.8rem;
  border-radius: 1px;
  background: var(--accent);
}

.cue {
  color: var(--accentText);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.18em;
}

/* The five lines, and the repair. Without JavaScript they read as plain lists. */

.ladder,
.track {
  display: grid;
  gap: 2rem;
  max-width: 34rem;
  margin: 0 auto;
  padding: 0 var(--pad) 4rem;
  list-style: none;
}

.ladder h2,
.track h2 {
  color: var(--soft);
  text-shadow:
    0 0 3px var(--paper),
    0 0 3px var(--paper),
    0 0 8px var(--paper);
  font-size: 0.95rem;
  font-weight: 400;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.16em;
}

.track li[data-beat="mend"] h2 {
  color: var(--accentText);
}

.line {
  font-size: 1.5rem;
  line-height: 1.22;
  text-wrap: pretty;
}

.track .line {
  font-style: italic;
}

.number {
  margin-top: 0.45rem;
  text-wrap: balance;
  color: var(--accentText);
  font-size: 1.05rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.07em;
}

.number:empty {
  display: none;
}

.credit {
  padding: 0 var(--pad) 2rem;
  color: var(--soft);
  font-size: 0.7rem;
  text-align: center;
}

.layers,
.labels,
.ground {
  display: none;
}

.noscript {
  padding: 0 var(--pad) 3rem;
  color: var(--soft);
  text-align: center;
}

/* The pull-back: one sticky stage, scrolled through by a tall track. */

.pullback-on .pullback {
  height: calc((var(--units) + 1) * 100lvh);
}

.pullback-on .stage {
  position: sticky;
  top: 0;
  height: 100lvh;
  overflow: hidden;
}

.pullback-on :is(.layers, .labels, .ground) {
  display: block;
  position: absolute;
  inset: 0;
}

/* The Block's sky and low sun, as a ground that always fills the screen. */
.ground {
  will-change: opacity;
  background:
    radial-gradient(60vmax 30vmax at var(--focus-x, 50%) var(--focus-y, 40%), color-mix(in srgb, var(--accent) 14%, var(--paper)), transparent),
    linear-gradient(to bottom, var(--skyWash), var(--paper) 46%);
  opacity: 0;
}

.layer {
  position: absolute;
  opacity: 0;
  will-change: transform, opacity;
}

.layer :is(img, .life, .drain, .track-art),
.layer :is(.life, .track-art) svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* During the track the world pales and its living gold drains away; the cracks and the mend stay stark. */
.layer .life {
  opacity: calc(1 - var(--drain, 0));
}

.layer .drain {
  background: radial-gradient(closest-side, var(--paper) 92%, transparent);
  opacity: calc(var(--drain, 0) * 0.45);
}

/* Each overlay on its own layer: a mark fading in, or the drain, never repaints the map beneath it. */
.layer :is(.life, .drain, .track-art) {
  will-change: opacity;
}

/* Marks appear as their beat's progress passes their threshold (--t), and leave past --t2 if set. */
.life .l {
  opacity: clamp(0, calc((var(--life, 0) - var(--t)) * 10), 1);
}

.track-art .s {
  opacity: min(clamp(0, calc((var(--p, 0) - var(--t)) * 20), 1), clamp(0, calc((var(--t2, 9) - var(--p, 0)) * 20), 1));
}

.track-art .k-cut {
  --p: var(--cut, 0);
}

.track-art .k-cost {
  --p: var(--cost, 0);
}

.track-art .k-mend {
  --p: var(--mend, 0);
}

/* The dead-end teeth arrive with the cut and leave as the mend stitches their street. */
.track-art .k-tick .s {
  opacity: min(clamp(0, calc((var(--cut, 0) - var(--t)) * 20), 1), clamp(0, calc((var(--t2, 9) - var(--mend, 0)) * 20), 1));
}

.marker {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 11;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 7px color-mix(in srgb, var(--accent) 22%, transparent);
  opacity: 0;
  will-change: transform, opacity;
}

.veil {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: var(--paper);
  opacity: calc(var(--quiet, 0) * 0.62); /* a story beat quiets the map behind the words */
}

.stage[data-final] .veil {
  opacity: 0.72;
  transition: opacity 1s var(--ease);
}

/* On a wide screen the words have their own column, so the gold country stays bright at the close. */
.stage[data-final][data-layout="desktop"] .veil {
  opacity: 0.2;
}

/* Labels: place names, needs, water, and parks, set as text so they stay crisp at every zoom. */

.pullback-on .labels {
  z-index: 9;
  pointer-events: none;
}

.label {
  position: absolute;
  top: 0;
  left: 0;
  color: color-mix(in srgb, var(--ink) 75%, var(--paper));
  font-size: 0.82rem;
  white-space: nowrap;
  text-shadow:
    0 0 3px var(--paper),
    0 0 3px var(--paper),
    0 0 8px var(--paper);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.label.on {
  opacity: 1;
}

.label.place {
  font-variant-caps: all-small-caps;
  letter-spacing: 0.1em;
}

.label:is(.water, .park, .need, .note) {
  font-style: italic;
}

.label.water {
  color: var(--skyText);
}

.label.park {
  color: var(--leafText);
}

.label.note {
  color: var(--accentText);
}

/* The words. On a phone they sit at the bottom over a paper scrim; on a wide screen they take a column
   at the left over a scrim that clears into the art. */

.pullback-on :is(.ladder, .track) {
  position: absolute;
  inset: 0 0 auto;
  z-index: 12;
  height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0;
  max-width: none;
  margin: 0;
  padding: var(--top) var(--pad) var(--bottom);
  pointer-events: none;
}

.pullback-on .stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 8;
  background: linear-gradient(to top, color-mix(in srgb, var(--paper) 92%, transparent), color-mix(in srgb, var(--paper) 60%, transparent) 30%, transparent 52%);
  pointer-events: none;
}

.pullback-on .stage[data-layout="desktop"]::before {
  background: radial-gradient(
    ellipse calc(var(--col-width) * 0.62 + 150px) 46vh at calc(var(--col-left) + var(--col-width) * 0.45) 50%,
    color-mix(in srgb, var(--paper) 92%, transparent),
    color-mix(in srgb, var(--paper) 86%, transparent) 55%,
    transparent
  );
}

.pullback-on .stage[data-layout="desktop"] :is(.ladder, .track) .line {
  text-shadow: 0 0 14px var(--paper);
}

.pullback-on .stage[data-layout="desktop"] :is(.ladder, .track) {
  right: auto;
  left: var(--col-left);
  width: var(--col-width);
  justify-content: center;
  padding: 14vh 0;
}

.pullback-on .stage[data-layout="tablet"] :is(.ladder, .track) {
  max-width: 38rem;
}

.pullback-on :is(.ladder, .track) li {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition:
    grid-template-rows 0.8s var(--ease),
    opacity 0.8s var(--ease);
}

.pullback-on :is(.ladder, .track) .body {
  min-height: 0;
  max-width: 30rem;
  overflow: hidden;
}

.pullback-on :is(.ladder, .track) h2 {
  position: absolute;
  top: var(--top);
  left: var(--pad);
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}

.pullback-on .stage[data-layout="desktop"] :is(.ladder, .track) h2,
.pullback-on .stage[data-layout="desktop"] .ladder[data-final]::after {
  top: 8vh;
  left: 0;
}

.pullback-on :is(.ladder, .track) .line {
  padding-top: 0.6rem;
  transition: font-size 0.8s var(--ease);
}

.pullback-on :is(.ladder, .track) .number {
  transition:
    font-size 0.8s var(--ease),
    opacity 0.8s var(--ease),
    margin 0.8s var(--ease);
}

.pullback-on :is(.ladder, .track) li[data-state="current"],
.pullback-on .ladder li[data-state="past"] {
  grid-template-rows: 1fr;
  opacity: 1;
}

.pullback-on .ladder li[data-state="past"] {
  opacity: 0.62;
}

.pullback-on :is(.ladder, .track) li[data-state="current"] h2 {
  opacity: 1;
}

.pullback-on .ladder li[data-state="past"] .line {
  font-size: 1rem;
  line-height: 1.3;
}

.pullback-on .ladder li:not([data-state="current"]) .number,
.pullback-on .ladder[data-final] .number {
  margin-top: 0;
  font-size: 0;
  opacity: 0;
}

/* On a phone only the two most recent lines stay stacked, so the map keeps its room. */
.pullback-on .stage[data-layout="phone"] .ladder:not([data-final]) li[data-state="past"][data-old] {
  grid-template-rows: 0fr;
  opacity: 0;
}

/* The repair takes the words over: the stack steps aside, one track line at a time speaks. */
.pullback-on .stage[data-mode="track"] .ladder li {
  grid-template-rows: 0fr;
  opacity: 0;
}

.pullback-on .track {
  display: grid;
  align-content: end;
}

.pullback-on .stage[data-layout="desktop"] .track {
  align-content: center;
}

.pullback-on .track li {
  grid-area: 1 / 1;
}

/* A story beat: the map steps back and the line stands alone, large, before the map moves on. Its number
   waits for the map to show it. */

.pullback-on .stage[data-story] .ladder li[data-state="past"] {
  grid-template-rows: 0fr;
  opacity: 0;
}

.pullback-on .stage[data-story] :is(.ladder, .track) .number {
  margin-top: 0;
  font-size: 0;
  opacity: 0;
}

.pullback-on .stage[data-story] :is(.ladder, .track) li[data-state="current"] .line {
  font-size: 1.9rem;
  line-height: 1.18;
  text-shadow:
    0 0 4px var(--paper),
    0 0 16px var(--paper);
}

.pullback-on .stage[data-layout="phone"] :is(.ladder, .track) {
  transition: padding-bottom 0.8s var(--ease);
}

.pullback-on .stage[data-layout="phone"][data-story] :is(.ladder, .track) {
  padding-bottom: 36svh;
}

/* The words to remember: in the gold that means Civara, or, in the fracture, set roman in ink. */
.line .key {
  font-style: normal;
  color: var(--accentText);
}

.track li:not([data-beat="mend"]) .line .key {
  color: var(--ink);
}

/* The final beat: all five lines at full weight, over the country. */

.pullback-on .ladder[data-final] li {
  grid-template-rows: 1fr;
  opacity: 1;
}

.pullback-on .ladder[data-final] li .line {
  padding-top: 0.75rem;
  font-size: 1.22rem;
  line-height: 1.28;
}

.pullback-on .ladder[data-final] li h2 {
  opacity: 0;
}

.pullback-on .ladder[data-final]::after {
  content: "Civara · Centers for Flourishing";
  position: absolute;
  top: var(--top);
  right: var(--pad);
  left: var(--pad);
  color: var(--accentText);
  font-size: 0.95rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.16em;
  text-shadow:
    0 0 3px var(--paper),
    0 0 8px var(--paper);
}

.pullback-on .stage[data-layout="phone"] .ladder[data-final]::after {
  letter-spacing: 0.1em;
}

.pullback-on .credit {
  position: absolute;
  right: var(--pad);
  bottom: 6px;
  z-index: 13;
  padding: 0;
  font-size: 0.62rem;
  opacity: 0.8;
}

@media (min-width: 900px) {
  .line {
    font-size: clamp(1.6rem, 1.1rem + 1.2vw, 2.4rem);
  }

  .pullback-on .stage[data-story] :is(.ladder, .track) li[data-state="current"] .line {
    font-size: clamp(2rem, 1.3rem + 1.8vw, 3.1rem);
  }

  .pullback-on .ladder li[data-state="past"] .line {
    font-size: 1.15rem;
  }

  .pullback-on .ladder[data-final] li .line {
    font-size: 1.45rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pullback-on :is(.ladder, .track) *,
  .pullback-on :is(.ladder, .track) li,
  .veil,
  .label {
    transition-duration: 0.01s;
  }
}