/*
  Dream Brush product page (src/projects/dreambrush.html).
  Washi paper, sumi ink and one cinnabar seal. Large brush characters carry
  the page; each chapter is one idea with room around it. A serif for the
  writing, Geist only for the few small labels. Script: src/assets/js/dreambrush.js
*/

.db-page {
  --paper: #efeae0;
  --silk: #d9d1c1;
  --ink: #1c1a17;
  --ink-2: #4a463f;
  --ink-3: #8b8479;
  --line: rgba(28, 26, 23, 0.14);
  --seal: #a8322a;
  --night: #11151d;
  --serif: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --zh: "AR PL UKai CN", "Kaiti SC", "STKaiti", "KaiTi", serif;
  --brush: "Zhi Mang Xing", "Ma Shan Zheng", "Kaiti SC", "STKaiti", "KaiTi", serif;
  --hand: "Ma Shan Zheng", "Kaiti SC", "STKaiti", "KaiTi", serif;
  --sans: "Geist Variable", "Helvetica Neue", Arial, sans-serif;
  --gutter: clamp(20px, 4.5vw, 80px);
  --gap: clamp(16px, 2vw, 32px);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

.db-page .site-header {
  position: fixed;
  left: 0;
  right: 0;
  mix-blend-mode: difference;
}

.db-page main.full-bleed {
  display: block;
  overflow-x: clip;
}

.db {
  font-family: var(--serif);
  font-size: clamp(19px, 1.35vw, 22px);
  font-weight: 450;
  line-height: 1.55;
  color: var(--ink);
  text-wrap: pretty;
  background: var(--paper) url("../../media/dreambrush/washi.webp") 0 0 / 480px;
}

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

.db :where(p, h1, h2, h3, ol, ul, dl, dd, figure, blockquote) {
  margin: 0;
}

.db :where(ol, ul) {
  padding: 0;
  list-style: none;
}

.db :where(img, canvas, svg) {
  display: block;
  max-width: 100%;
}

.db :where(img) {
  height: auto;
}

.db :where([lang="zh"]) {
  font-family: var(--zh);
  font-weight: 400;
}

.db-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* vertical writing, in the carved face, hung from a hairline */
.db-tate {
  position: relative;
  padding-top: 2.6rem;
  writing-mode: vertical-rl;
  font-size: clamp(16px, 1.15vw, 19px);
  line-height: 1.6;
  letter-spacing: 0.5em;
  color: var(--ink-2);
}

.db-tate::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 1.7rem;
  background: currentColor;
  opacity: 0.5;
}

.db .db-brush {
  font-family: var(--brush);
  font-weight: 400;
  line-height: 1;
}

.db :where(h1, h2, h3) {
  font-weight: 300;
  text-wrap: balance;
}

/* ---------------------------------------------------------------- shared type */

.db-meta,
.db-spec dt {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.db-kicker {
  margin-bottom: 0.5em;
  font-style: italic;
  font-size: clamp(19px, 1.4vw, 23px);
  color: var(--ink-3);
}

.db-h2 {
  font-size: clamp(38px, 4.1vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.015em;
}

.db-intro {
  max-width: 34em;
  margin-top: 1.6em;
  color: var(--ink-2);
}

.db-seal {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.28em 0.22em;
  font-family: var(--hand);
  font-size: 18px;
  line-height: 1.02;
  color: #f3ece0;
  background: var(--seal);
  border-radius: 3px;
  box-shadow: inset 0 0 0 2px rgba(243, 236, 224, 0.18);
}

/* ---------------------------------------------------------------- chapters */

.db-ch {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  max-width: 1640px;
  margin: 0 auto;
  padding: clamp(110px, 17vh, 220px) var(--gutter) 0;
}

.db-ch__mark {
  grid-column: 1 / 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-self: start;
  gap: 2.2rem;
}

.db-ch__mark .db-brush {
  display: block;
  margin-top: -0.06em;
  font-size: clamp(84px, 9.6vw, 168px);
}

.db-ch__body {
  grid-column: 3 / 12;
}

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

.db-hero {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  align-items: end;
  min-height: min(92svh, 1000px);
  padding: calc(5.5rem + 6vh) var(--gutter) clamp(48px, 9vh, 110px);
  overflow: hidden;
}

.db-land {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 34%;
  opacity: 0.55;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000 62%);
  mask-image: linear-gradient(90deg, transparent 30%, #000 62%);
}

.db-trace {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.db-hero__text {
  position: relative;
  grid-column: 1 / 10;
  grid-row: 1;
}

.db-title {
  margin: 0.32em 0 0.34em -0.04em;
  font-size: clamp(68px, 11.5vw, 210px);
  line-height: 0.88;
  letter-spacing: -0.03em;
}

.db-lede {
  font-size: clamp(24px, 2.3vw, 38px);
  line-height: 1.22;
  color: var(--ink-2);
}

.db-hero__mark {
  position: relative;
  grid-column: 9 / 13;
  grid-row: 1;
  justify-self: end;
  align-self: center;
  display: flex;
  flex-direction: row-reverse;
  align-items: flex-start;
  gap: clamp(14px, 1.6vw, 28px);
}

.db-hero__brush {
  writing-mode: vertical-rl;
  font-size: min(17vw, 36svh);
  letter-spacing: -0.04em;
}

.db-hero__inscr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
  margin-top: min(9vw, 18svh);
}

.db-hero__inscr .db-tate {
  color: var(--ink);
}

.db-hero__inscr .db-seal {
  font-size: clamp(15px, 1.2vw, 20px);
}

/* ---------------------------------------------------------------- film */

.db-film {
  position: relative;
  padding: clamp(36px, 6vh, 80px) var(--gutter) clamp(40px, 7vh, 90px);
  overflow: hidden;
  background: var(--night);
}

.db-film__ghost {
  position: absolute;
  left: -6vw;
  top: 50%;
  translate: 0 -56%;
  font-size: min(160svh, 120vw);
  line-height: 0.8;
  color: #000;
  opacity: 0.5;
  pointer-events: none;
}

.db-film::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  opacity: 0.09;
  pointer-events: none;
}

.db-film__frame {
  position: relative;
  z-index: 1;
  width: min(100%, calc((100svh - 12vh) * 4 / 3), 1500px);
  aspect-ratio: 4 / 3;
  margin: 0 auto;
  background: #000;
}

.db-film__play {
  position: absolute;
  inset: 0;
  display: block;
  color: #f3eee5;
  text-decoration: none;
}

.db-film__play img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.9);
  transition: filter 0.8s var(--ease);
}

.db-film__btn {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  place-items: center;
  width: clamp(76px, 8vw, 116px);
  aspect-ratio: 1;
  translate: -50% -50%;
  border: 1px solid rgba(243, 238, 229, 0.85);
  border-radius: 50%;
  background: rgba(19, 18, 16, 0.22);
  backdrop-filter: blur(6px);
  transition: background-color 0.5s var(--ease), border-color 0.5s var(--ease);
}

.db-film__btn svg {
  width: 34%;
  margin-left: 7%;
  fill: currentColor;
}

.db-film__label {
  position: absolute;
  left: 50%;
  top: calc(50% + clamp(56px, 5.8vw, 82px));
  translate: -50% 0;
  font-style: italic;
  font-size: clamp(19px, 1.5vw, 24px);
  white-space: nowrap;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.db-film__play:hover img,
.db-film__play:focus-visible img {
  filter: none;
}

.db-film__play:hover .db-film__btn,
.db-film__play:focus-visible .db-film__btn {
  background-color: var(--seal);
  border-color: var(--seal);
}

.db-film__play:focus-visible {
  outline: 1px solid #f3eee5;
  outline-offset: 6px;
}

.db-film iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------------------------------------------------------------- prelude */

.db-statement {
  max-width: 21em;
  font-size: clamp(34px, 3.7vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.db-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 72px);
  max-width: 1040px;
  margin-top: clamp(48px, 7vh, 88px);
  color: var(--ink-2);
}

.db-quote {
  grid-column: 3 / 13;
  display: flex;
  align-items: flex-end;
  gap: clamp(28px, 4vw, 72px);
  margin-top: clamp(80px, 13vh, 170px);
}

.db-quote blockquote {
  filter: url(#db-stone);
  writing-mode: vertical-rl;
  font-size: clamp(40px, 4.4vw, 74px);
  line-height: 1.2;
  letter-spacing: 0.32em;
}

.db-quote figcaption {
  max-width: 22em;
  padding-bottom: 0.4em;
}

.db-quote__en {
  font-size: clamp(26px, 2.3vw, 38px);
  font-style: italic;
  line-height: 1.2;
}

.db-quote__src {
  margin-top: 1.2em;
  font-size: 17px;
  color: var(--ink-3);
}

.db-quote__src [lang="zh"] {
  font-size: 0.92em;
}

/* ---------------------------------------------------------------- photo */

.db-photo {
  position: relative;
  margin-top: clamp(110px, 17vh, 220px);
}

.db-photo__tate {
  position: absolute;
  top: 14%;
  right: calc(var(--gutter) + 2vw);
  writing-mode: vertical-rl;
  font-size: clamp(20px, 1.9vw, 32px);
  letter-spacing: 0.6em;
  color: #f4efe6;
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.35);
}

.db-photo img {
  width: 100%;
  height: auto;
}

/* ---------------------------------------------------------------- write */

.db-studio {
  grid-column: 3 / 13;
  display: grid;
  grid-template-columns: auto minmax(240px, 1fr);
  gap: clamp(36px, 5vw, 96px);
  align-items: start;
  margin-top: clamp(56px, 8vh, 110px);
}

.db-scroll {
  --mount: clamp(14px, 1.7vw, 28px);
  --h: min(80svh, 900px);
  position: relative;
  width: calc(var(--h) * 0.75 + var(--mount) * 2);
  padding: calc(var(--mount) * 2.4) var(--mount) calc(var(--mount) * 1.5);
  background:
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.07) 0 2px, transparent 2px 5px),
    var(--silk);
  box-shadow:
    0 50px 70px -50px rgba(40, 28, 12, 0.55),
    0 1px 0 rgba(255, 255, 255, 0.35) inset;
}

.db-scroll::before,
.db-scroll::after {
  content: "";
  position: absolute;
  left: -3.5%;
  right: -3.5%;
  height: clamp(11px, 1vw, 15px);
  border-radius: 8px;
  background: linear-gradient(#4a3a2c, #1d1611 70%);
  box-shadow: 0 6px 12px -6px rgba(0, 0, 0, 0.5);
}

.db-scroll::before {
  top: -6px;
}

.db-scroll::after {
  bottom: -7px;
}

.db-canvas {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: #f4efe5;
  box-shadow: 0 0 0 1px rgba(28, 26, 23, 0.08);
  touch-action: none;
  cursor: crosshair;
}

.db-desk {
  max-width: 420px;
  padding-top: 0.4rem;
}

.db-inkstone {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 1.6rem;
}

.db-char {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  width: 100%;
  padding: 0.5rem 0;
  font: inherit;
  text-align: left;
  color: var(--ink-3);
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.db-char b {
  font-family: var(--hand);
  font-size: clamp(34px, 2.9vw, 48px);
  font-weight: 400;
  line-height: 1.05;
  color: var(--ink);
  transition: color 0.3s;
}

.db-char span {
  font-style: italic;
  font-size: 18px;
}

.db-char:hover b {
  color: var(--ink-2);
}

.db-char[aria-checked="true"] b {
  color: var(--seal);
}

.db-char[aria-checked="true"] span {
  color: var(--ink);
}

.db-char:focus-visible {
  outline: 1px solid var(--ink);
  outline-offset: 2px;
}

.db-status {
  min-height: 2.7em;
  margin: 2.2rem 0 1.4rem;
  font-style: italic;
  font-size: clamp(21px, 1.7vw, 26px);
  line-height: 1.3;
}

.db-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1.6rem;
}

.db-btn {
  padding: 0.85rem 1.3rem;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.3s, border-color 0.3s, color 0.3s;
}

.db-btn:hover {
  background: var(--seal);
  border-color: var(--seal);
}

.db-btn--quiet {
  padding-inline: 0;
  color: var(--ink-2);
  background: none;
  border-color: transparent;
  border-radius: 0;
}

.db-btn--quiet:hover {
  color: var(--seal);
  background: none;
  border-color: transparent;
}

.db-btn:focus-visible {
  outline: 1px solid var(--ink);
  outline-offset: 3px;
}

.db-note {
  margin-top: 2.6rem;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink-3);
}

/* ---------------------------------------------------------------- rules: a four-panel screen */

.db-screen {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(64px, 10vh, 130px);
}

.db-screen li {
  padding: 0 clamp(10px, 1.3vw, 22px);
  border-left: 1px solid var(--line);
}

.db-screen li:last-child {
  border-right: 1px solid var(--line);
}

.db-screen__art {
  position: relative;
}

.db .db-screen__tate {
  position: absolute;
  top: 5%;
  right: 8%;
  font-size: clamp(16px, 1.45vw, 23px);
  letter-spacing: 0.3em;
  color: var(--ink);
  pointer-events: none;
}

.db-panel {
  width: 100%;
  aspect-ratio: 2 / 3;
  background: #f4efe5;
  box-shadow: 0 30px 50px -36px rgba(40, 28, 12, 0.5);
}

.db-screen__t {
  margin: 1.6rem 0 0.5rem;
  font-size: clamp(24px, 1.9vw, 30px);
  line-height: 1.1;
}

.db-screen li > p:last-child {
  max-width: 16em;
  font-size: clamp(17px, 1.2vw, 19px);
  line-height: 1.5;
  color: var(--ink-2);
}

/* ---------------------------------------------------------------- storyboard */

.db-story__fig {
  grid-column: 1 / -1;
  margin: clamp(56px, 9vh, 120px) calc(var(--gutter) * -0.5) 0;
}

.db-story__strip img {
  width: 100%;
  mix-blend-mode: multiply;
}

.db-story__caps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: 1.4rem;
  padding: 0 4%;
  font-size: clamp(17px, 1.2vw, 19px);
  line-height: 1.45;
  color: var(--ink-2);
}

.db-story__caps [lang="zh"] {
  font-weight: 400;
  color: var(--ink);
}

/* ---------------------------------------------------------------- instrument */

.db-tool__fig {
  position: relative;
  grid-column: 1 / -1;
  justify-self: center;
  width: min(100%, 1180px);
  margin-top: clamp(40px, 7vh, 90px);
}

.db-tool__fig img {
  width: 100%;
  mix-blend-mode: multiply;
}

.db-tool__leaders {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.db-tool__leaders path {
  fill: none;
  stroke: var(--ink);
  stroke-width: 0.75;
  vector-effect: non-scaling-stroke;
}

.db-tool__labels li {
  position: absolute;
  top: var(--y);
  left: var(--x);
  translate: 0 -50%;
  font-size: clamp(15px, 1.25vw, 20px);
  line-height: 1.2;
  white-space: nowrap;
}

.db-tool__labels .is-left {
  left: auto;
  right: var(--x);
  text-align: right;
}

.db-spec div {
  display: grid;
  grid-template-columns: minmax(7rem, 9rem) 1fr;
  gap: 1rem;
  padding: 1.05rem 0 1.15rem;
  border-top: 1px solid var(--line);
}

.db-spec dt {
  padding-top: 0.45em;
}

.db-spec dd {
  font-size: clamp(18px, 1.3vw, 20px);
  line-height: 1.45;
  color: var(--ink-2);
}

.db-tool__spec {
  grid-column: 3 / 12;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(28px, 4vw, 72px);
  margin-top: clamp(48px, 7vh, 90px);
}

/* ---------------------------------------------------------------- time */

.db-clock {
  --label: clamp(200px, 22vw, 330px);
  position: relative;
  grid-column: 3 / 13;
  margin-top: clamp(56px, 9vh, 120px);
}

.db-clock__axis {
  display: flex;
  justify-content: space-between;
  margin-left: var(--label);
  padding-bottom: 0.6rem;
  font-size: clamp(40px, 4vw, 68px);
  font-weight: 300;
  line-height: 1;
}

.db-clock__row {
  display: grid;
  grid-template-columns: var(--label) 1fr;
  align-items: center;
  min-height: 3.6rem;
  border-top: 1px solid var(--line);
}

.db-clock__row p {
  padding-right: 1.5rem;
  font-style: italic;
  font-size: clamp(17px, 1.25vw, 20px);
  line-height: 1.25;
  color: var(--ink-2);
}

.db-clock__track {
  position: relative;
  height: 100%;
}

.db-clock__track i {
  position: absolute;
  top: 50%;
  left: calc(var(--a) * 1%);
  width: calc((var(--b) - var(--a)) * 1%);
  height: 2px;
  translate: 0 -50%;
  background: var(--ink);
}

.db-clock__track .dry {
  height: 10px;
  background: linear-gradient(90deg, var(--ink), rgba(28, 26, 23, 0));
}

.db-clock__track .mark {
  min-width: 10px;
  height: 22px;
  border-radius: 1px;
}

.db-clock__track .red {
  background: var(--seal);
}

/* the playhead: a lane as wide as the tracks, sliding its own width in ten seconds */
.db-clock__now {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--label);
  right: 0;
  pointer-events: none;
  animation: db-clock 10s linear infinite;
}

.db-clock__now::before {
  content: "";
  position: absolute;
  top: 4.2rem;
  bottom: 0;
  left: 0;
  width: 1px;
  background: var(--seal);
}

@keyframes db-clock {
  from {
    translate: 0 0;
  }
  to {
    translate: 100% 0;
  }
}

/* ---------------------------------------------------------------- reflections */

.db-notes__list {
  grid-column: 3 / 13;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(32px, 4.5vw, 80px);
  margin-top: clamp(56px, 9vh, 120px);
}

.db-notes__n {
  display: block;
  margin-bottom: 1.6rem;
  font-size: clamp(56px, 5vw, 88px);
}

.db-notes__list h3 {
  margin-bottom: 0.7em;
  font-size: clamp(27px, 2.2vw, 36px);
  font-weight: 400;
  line-height: 1.1;
}

.db-notes__list p {
  color: var(--ink-2);
}

/* ---------------------------------------------------------------- close */

.db-close {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  align-items: center;
  max-width: 1640px;
  margin: 0 auto;
  padding: clamp(130px, 20vh, 260px) var(--gutter) clamp(110px, 16vh, 200px);
}

.db-close__brush {
  grid-column: 1 / 5;
  justify-self: center;
  writing-mode: vertical-rl;
  font-size: min(11vw, 19svh);
  letter-spacing: -0.02em;
}

.db-close__body {
  grid-column: 6 / 12;
}

.db-credits {
  margin-top: clamp(48px, 7vh, 90px);
}

.db-credits small {
  display: block;
  margin-top: 0.3em;
  font-size: 15px;
  color: var(--ink-3);
}

.db-close__seal {
  margin-top: clamp(40px, 6vh, 72px);
  font-size: 22px;
}

/* ---------------------------------------------------------------- chapter index */

.db-index {
  position: fixed;
  top: 50%;
  right: clamp(10px, 1.3vw, 22px);
  z-index: 9;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  translate: 0 -50%;
  font-family: var(--zh);
  transition: opacity 0.6s;
}

.db-index a {
  position: relative;
  padding: 0.25rem 0.3rem;
  font-size: 15px;
  line-height: 1;
  color: var(--ink-3);
  text-decoration: none;
  transition: color 0.4s;
}

.db-index a::before {
  content: "";
  position: absolute;
  top: 50%;
  right: calc(100% + 4px);
  width: 0;
  height: 1px;
  background: var(--seal);
  transition: width 0.4s var(--ease);
}

.db-index a:hover,
.db-index a:focus-visible {
  color: var(--ink);
}

.db-index a.is-on {
  color: var(--seal);
}

.db-index a.is-on::before {
  width: 14px;
}

.db-index.on-dark a {
  color: rgba(244, 239, 230, 0.45);
}

.db-index.on-dark a.is-on {
  color: #e2675a;
}

.db-index.is-away {
  opacity: 0;
  pointer-events: none;
}

/* ---------------------------------------------------------------- arrival */

.db-js [data-reveal] {
  opacity: 0;
  translate: 0 22px;
  transition: opacity 1.4s var(--ease), translate 1.4s var(--ease);
}

.db-js [data-reveal].is-in {
  opacity: 1;
  translate: none;
}

/* brush characters are written in, top to bottom */
.db-js .db-brush[data-reveal] {
  opacity: 1;
  translate: none;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.9s cubic-bezier(0.6, 0.05, 0.25, 1);
}

.db-js .db-brush[data-reveal].is-in {
  clip-path: inset(-10%);
}

.db-screen li[data-reveal]:nth-child(2) {
  transition-delay: 0.12s;
}

.db-screen li[data-reveal]:nth-child(3) {
  transition-delay: 0.24s;
}

.db-screen li[data-reveal]:nth-child(4) {
  transition-delay: 0.36s;
}

/* ---------------------------------------------------------------- smaller screens */

@media (max-width: 1100px) {
  .db-studio {
    grid-column: 1 / -1;
  }

  .db-scroll {
    --h: min(76svh, 820px);
  }

  .db-screen {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 3.5rem;
  }

  .db-screen li:nth-child(2) {
    border-right: 1px solid var(--line);
  }
}

@media (max-width: 900px) {
  .db-index {
    display: none;
  }

  .db-ch__mark {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: flex-start;
    gap: 1.4rem;
    margin-bottom: 1.2em;
  }

  .db-ch__mark .db-brush {
    font-size: clamp(72px, 16vw, 120px);
  }

  .db-ch__body,
  .db-quote,
  .db-clock,
  .db-notes__list,
  .db-tool__spec {
    grid-column: 1 / -1;
  }

  .db-studio {
    grid-template-columns: 1fr;
  }

  .db-scroll {
    width: 100%;
  }

  .db-desk {
    max-width: none;
  }

  .db-inkstone {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap: 0;
  }

  .db-char {
    flex-direction: column;
    gap: 0.1rem;
    padding: 0.6rem 0;
    text-align: center;
  }

  .db-char span {
    font-size: 15px;
  }

  .db-notes__list,
  .db-tool__spec,
  .db-cols {
    grid-template-columns: 1fr;
  }

  .db-close__brush {
    grid-column: 1 / -1;
    justify-self: start;
    margin-bottom: 3rem;
    writing-mode: horizontal-tb;
    font-size: clamp(64px, 18vw, 120px);
  }

  .db-close__body {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .db-hero {
    align-items: start;
    align-content: end;
    row-gap: 2rem;
  }

  .db-hero__text {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .db-hero__mark {
    grid-column: 1 / -1;
    grid-row: 1;
    justify-self: start;
  }

  .db-hero__brush {
    font-size: min(30vw, 24svh);
  }

  .db-land {
    display: none;
  }

  .db-film {
    padding-inline: 0;
  }

  .db-tool__leaders,
  .db-tool__labels {
    display: none;
  }

  .db-story__fig {
    margin-inline: calc(var(--gutter) * -1);
  }

  .db-story__strip {
    overflow-x: auto;
    padding-inline: var(--gutter);
    scrollbar-width: thin;
  }

  .db-story__strip img {
    width: 820px;
    max-width: none;
  }

  .db-story__caps {
    grid-template-columns: 1fr 1fr;
    row-gap: 1.2rem;
    padding: 0 var(--gutter);
  }

  .db-clock {
    --label: 0px;
  }

  .db-clock__axis {
    margin-left: 0;
  }

  .db-clock__row {
    grid-template-columns: 1fr;
    padding: 0.8rem 0 1rem;
  }

  .db-clock__row p {
    margin-bottom: 0.6rem;
  }

  .db-clock__track {
    height: 22px;
  }

  .db-clock__now {
    display: none;
  }

  .db-screen {
    column-gap: 0;
  }

  .db-spec div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .db-js [data-reveal],
  .db-js .db-brush[data-reveal] {
    opacity: 1;
    translate: none;
    clip-path: none;
    transition: none;
  }

  .db-clock__now {
    display: none;
  }
}