.cp-window {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  margin-top: clamp(26px, calc(4 * var(--vh, 1vh)), 44px);
}

.cp-side {
  position: relative;
  border-right: 1px solid var(--line-faint);
}

.cp-ruler {
  position: sticky;
  top: calc(var(--bar-h) + 30px);
  display: block;
  height: min(60vh, 520px);
  margin: 30px auto 0;
  width: 18px;
  background:
    repeating-linear-gradient(180deg, var(--line-soft) 0 1px, transparent 1px 10px) left / 8px 100% no-repeat,
    repeating-linear-gradient(180deg, var(--ink-cool) 0 1px, transparent 1px 50px) left / 18px 100% no-repeat;
}

.cp-ruler::after {
  content: '';
  position: absolute;
  left: 22px;
  top: calc(var(--read, 0) * 100%);
  border-left: 6px solid var(--accent);
  border-block: 4px solid transparent;
  translate: 0 -50%;
  transition: top 300ms var(--ease);
}

.cp-main {
  padding: clamp(28px, calc(4 * var(--vw, 1vw)), 64px) clamp(22px, calc(5 * var(--vw, 1vw)), 90px) clamp(40px, calc(6 * var(--vh, 1vh)), 70px);
}

.cp-head {
  display: grid;
  gap: 22px;
  max-width: 760px;
  margin: 0 auto clamp(40px, calc(7 * var(--vh, 1vh)), 80px);
}

.cp-integrity {
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr);
  align-items: center;
  gap: 8px 16px;
}

.cp-integrity-bar {
  position: relative;
  height: 1px;
  background: var(--line-faint);
}

.cp-integrity-bar i {
  position: absolute;
  inset: -1px 0;
  background: var(--ink-cool);
  transform-origin: left;
  transform: scaleX(var(--kept, 0));
  transition: transform 500ms var(--ease);
}

.cp-kept {
  grid-column: 1 / -1;
  font-family: var(--hud);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--line-soft);
}

.cp-kept b {
  font-family: var(--num);
  font-weight: 400;
  color: var(--ink-cool);
  font-variant-numeric: tabular-nums;
}

.cp-integrity.is-full .cp-kept {
  color: var(--accent);
}

.cp-letter {
  max-width: 760px;
  margin: 0 auto;
}

.cp-chapter {
  margin-bottom: clamp(56px, calc(9 * var(--vh, 1vh)), 110px);
}

.cp-chapter-title {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin: 0 0 28px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-faint);
  font-family: var(--mark);
  font-weight: 400;
  font-size: clamp(1.2rem, calc(1.6 * var(--vw, 1vw)), 1.6rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-warm);
}

.cp-chapter-title span {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--accent);
}

.cp-chapter > p {
  margin: 0 0 1.5em;
  font-size: clamp(1.06rem, calc(1.2 * var(--vw, 1vw)), 1.2rem);
  line-height: 2.05;
}

.cp-w {
  --b: 3;
  color: color-mix(in oklab, var(--ink) calc(100% - var(--b) * 20%), transparent);
  text-shadow: 0 0 calc(var(--b) * 1.6px) color-mix(in oklab, var(--ink) calc(var(--b) * 14%), transparent);
  transition: color 600ms ease, text-shadow 600ms ease;
}

.cp-w.is-kept {
  --b: 0 !important;
  text-shadow: none;
}

.cp-w.is-kept.is-fresh {
  color: var(--accent);
  transition: color 1400ms ease;
}

.cp-quote {
  position: relative;
  margin: clamp(40px, calc(6 * var(--vh, 1vh)), 70px) 0 0;
  padding: clamp(26px, calc(4 * var(--vh, 1vh)), 40px) 0 clamp(18px, calc(3 * var(--vh, 1vh)), 30px) clamp(20px, calc(3 * var(--vw, 1vw)), 40px);
  border-left: 1px solid var(--ink-cool);
}

.cp-quote::before {
  content: 'record · kept';
  position: absolute;
  top: 0;
  left: clamp(20px, calc(3 * var(--vw, 1vw)), 40px);
  font-family: var(--hud);
  font-size: 10px;
  line-height: 1;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
}

.cp-quote p {
  margin: 0;
  font-family: var(--mark);
  font-size: clamp(1.6rem, calc(2.9 * var(--vw, 1vw)), 2.7rem);
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--ink-warm);
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1200ms var(--snap);
}

.cp-quote.is-seen p {
  clip-path: inset(0 0 0 0);
}

.cp-sign {
  margin: 30px 0 0;
  text-align: right;
  font-family: var(--sign);
  font-size: 1.4rem;
  letter-spacing: 0.3em;
  color: var(--ink-cool);
}

@media (max-width: 700px) {
  .cp-window {
    grid-template-columns: 1fr;
  }

  .cp-side {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cp-w {
    --b: 0 !important;
  }

  .cp-quote p {
    clip-path: none;
  }
}