/* FurtherCast: a compact index and architectural studies, using the original drawings. */
.cast-notebook { --sheet-line: #f0eee82d; --sheet-muted: #b8b8ae; }
.cast-notebook .nav { background: #11110ff5; }
.cast-notebook main { overflow: clip; }
.cast-notebook .eyebrow { font-size: 14px; letter-spacing: .035em; }
.cast-notebook .sketch-filter-defs { position: absolute; pointer-events: none; }
.sketch-canvas { position: relative; width: 100%; height: 100%; isolation: isolate; }
.sketch-canvas > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; pointer-events: none; }
.sketch-canvas > .sketch-marker { filter: url(#sketch-yellow-only); }
.sketch-canvas > .sketch-original { z-index: 1; }
.collection-intro { padding: 150px 6vw 42px; display: grid; grid-template-columns: 1.15fr 1fr; gap: 8vw; align-items: end; }
.collection-intro h1 { font-size: clamp(58px, 8.4vw, 142px); letter-spacing: -.065em; line-height: 1; margin: 22px 0; }
.collection-intro h1 > span { color: var(--orange); }
.collection-intro h2 { font-size: clamp(23px, 2.3vw, 36px); letter-spacing: -.025em; line-height: 1.15; }
.collection-context { max-width: 460px; padding-bottom: 3px; }
.collection-context > p { font-size: 18px; line-height: 1.5; margin-top: 18px; color: var(--sheet-muted); }
.collection-context > .collection-note { font-size: 14px; color: var(--paper); margin-top: 25px; }
.collection-nav { display: flex; gap: 30px; border-block: 1px solid var(--sheet-line); padding: 15px 0; margin: 0 6vw; font-size: 14px; }
.collection-nav a { padding: 4px 0; }
.collection-nav a:hover, .entry-link:hover, .sheet-meta a:hover, .sheet-try:hover { color: var(--acid); }
.cast-entries { padding: 0 6vw; }
.cast-entry { border-bottom: 1px solid var(--sheet-line); padding: 36px 0 0; scroll-margin-top: 94px; }
.entry-main { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 4vw; align-items: center; }
.entry-copy { padding: 20px 0; }
.entry-copy > .eyebrow { color: var(--sheet-muted); }
.entry-copy h2 { font-size: clamp(46px, 5.2vw, 86px); letter-spacing: -.055em; line-height: 1.08; margin: 20px 0 14px; }
.entry-copy h2 span, .sheet-copy h1 span { color: var(--orange); }
.entry-copy h3 { font-size: clamp(22px, 2.2vw, 34px); line-height: 1.14; letter-spacing: -.025em; }
.entry-copy > p { max-width: 460px; color: var(--sheet-muted); font-size: 17px; line-height: 1.5; margin-top: 18px; }
.entry-link { display: flex; align-items: center; justify-content: space-between; max-width: 245px; border-bottom: 1px solid #f0eee860; padding: 12px 0; margin-top: 20px; font-size: 16px; }
.entry-drawing { display: block; position: relative; aspect-ratio: 1.5; align-self: center; }
.entry-drawing .sketch-canvas { transition: transform .7s var(--ease); }
.entry-drawing:hover .sketch-canvas { transform: scale(1.025); }
.entry-flow { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; position: relative; margin-top: -15px; padding: 0 8px; color: var(--sheet-muted); font-size: 13px; }
.entry-flow > span { color: var(--orange); }
.cast-entry:nth-child(2) .entry-main { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); }
.cast-entry:nth-child(2) .entry-copy { grid-column: 2; grid-row: 1; }
.cast-entry:nth-child(2) .entry-drawing { grid-column: 1; grid-row: 1; }
.cast-notebook details > summary { list-style: none; cursor: pointer; }
.cast-notebook details > summary::-webkit-details-marker { display: none; }
.disclosure-plus { display: inline-block; font-size: 25px; line-height: 1; font-weight: 300; transition: transform .25s; }
.cast-notebook details[open] > summary .disclosure-plus { transform: rotate(45deg); }
.entry-more { margin-top: 22px; }
.entry-more > summary { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--sheet-line); padding: 16px 0; color: var(--sheet-muted); font-size: 14px; }
.entry-more > summary:hover { color: var(--paper); }
.entry-demo { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 6vw; padding: 28px 0 42px; align-items: start; }
.cast-notebook .entry-demo .uses { display: block; padding: 0; margin: 0; border: 0; }
.entry-demo .uses > p { font-size: clamp(22px, 2.4vw, 34px); margin: 22px 0; line-height: 1.4; }
.entry-demo .uses > span:last-child { font-size: 17px; color: var(--sheet-muted); max-width: 420px; display: block; }
.cast-notebook .experience { min-width: 0; border-radius: 15px; border: 1px solid #f0eee8a0; padding: 25px; box-shadow: none; overflow: hidden; }
.cast-notebook .experience:before { display: none; }
.cast-notebook .experience-top { padding-top: 0; }
.cast-notebook .experience h4 { font-size: clamp(26px, 2.8vw, 38px); }
.cast-notebook .option-group button { font-size: 14px; }
.cast-notebook .object-view { height: 260px; }
.cast-notebook .object-tag { font-size: 13px; }
.cast-notebook .route-map { margin-top: 22px; }
.cast-notebook .route-result ol { margin-bottom: 0; }
.cast-sheet { padding: 128px 5vw 0; }
.sheet-meta { display: flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 14px; color: var(--sheet-muted); border-bottom: 1px solid var(--sheet-line); padding-bottom: 19px; }
.sheet-meta a { color: var(--paper); }
.sheet-lead { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr); align-items: center; gap: 2vw; padding: 35px 0 30px; }
.sheet-copy { padding: 15px 0; }
.sheet-copy > .eyebrow { color: var(--sheet-muted); }
.sheet-copy h1 { font-size: clamp(55px, 6.5vw, 110px); line-height: 1.02; letter-spacing: -.065em; margin: 21px 0; }
.sheet-copy h2 { font-size: clamp(27px, 2.7vw, 43px); line-height: 1.12; letter-spacing: -.035em; }
.sheet-copy > p:not(.eyebrow) { font-size: 18px; color: var(--sheet-muted); max-width: 435px; line-height: 1.5; margin-top: 24px; }
.sheet-try { display: flex; justify-content: space-between; gap: 20px; font-size: 15px; padding: 12px 0; margin-top: 25px; max-width: 230px; border-bottom: 1px solid #f0eee85c; }
.sheet-drawing { margin: 0; min-width: 0; }
.drawing-meta, .sheet-drawing figcaption { display: flex; justify-content: space-between; gap: 20px; align-items: center; font-size: 13px; color: var(--sheet-muted); min-height: 30px; padding: 0 3%; }
.drawing-meta { align-items: start; }
.study-reset { background: transparent; padding: 0; font-size: 13px; white-space: nowrap; text-decoration: underline; text-underline-offset: 4px; }
.study-viewport { width: 100%; aspect-ratio: 1.5; overflow: hidden; isolation: isolate; }
.study-viewport .sketch-canvas { transform: translate(var(--camera-x, 0%), var(--camera-y, 0%)) scale(var(--camera-scale, 1)); transform-origin: center; transition: transform 1s var(--ease); }
.study-pin { position: absolute; z-index: 2; display: grid; place-items: center; width: 28px; height: 28px; transform: translate(-50%, -50%); font-size: 12px; line-height: 1; border: 1px solid var(--orange); background: var(--orange); border-radius: 50%; color: var(--ink); transition: opacity .35s; }
[data-frame]:not([data-frame="0"]) .study-pin { opacity: 0; }
[data-frame="1"] [data-pin="1"], [data-frame="2"] [data-pin="2"], [data-frame="3"] [data-pin="3"] { opacity: 1; border-color: var(--orange); }
.sheet-drawing figcaption { margin-top: 8px; font-size: 14px; }
.sheet-drawing figcaption > span:last-child { font-size: 12px; white-space: nowrap; }
.study-sequence { border-block: 1px solid var(--sheet-line); padding: 19px 0 0; }
.study-sequence > .eyebrow { color: var(--sheet-muted); }
.study-controls { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; padding-top: 16px; }
.study-step { display: flex; gap: 15px; padding: 17px 0 23px; background: transparent; text-align: left; border-top: 1px solid transparent; min-width: 0; align-items: start; }
.study-step:hover, .study-step[aria-pressed="true"] { border-color: var(--orange); }
.step-number { font-size: 14px; color: var(--orange); padding-top: 3px; }
.step-wording { flex: 1; }
.step-wording > strong { font-size: clamp(19px, 1.7vw, 26px); letter-spacing: -.02em; font-weight: 400; display: block; line-height: 1.1; }
.step-wording > span { display: block; font-size: 15px; color: var(--sheet-muted); margin-top: 9px; max-width: 265px; }
.step-detail { font-size: 21px; line-height: 1; color: var(--sheet-muted); }
.study-step[aria-pressed="true"] .step-detail { transform: rotate(45deg); color: var(--orange); }
.sheet-details { padding: 25px 5vw 10px; }
.product-experience { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.45fr); gap: 6vw; align-items: center; padding: 45px 0 55px; scroll-margin-top: 96px; }
.product-experience-copy { min-width: 0; }
.cast-notebook .product-experience .product-description { position: static; margin: 0 0 30px; }
.cast-notebook .product-experience .product-description h3 { font-size: clamp(38px, 4.2vw, 66px); margin: 22px 0; line-height: 1.08; }
.cast-notebook .product-experience .concept-label { margin: 0; font-size: 14px; color: var(--sheet-muted); }
.detail-mobile-pair { --screen-width: min(23vw, 280px); min-width: 0; }
.detail-mobile-pair .preview-journey { justify-content: center; gap: clamp(14px, 1.5vw, 24px); animation: none; }
.detail-mobile-pair .journey-step figcaption { font-size: 14px; text-shadow: none; }
.product-experience .audio-player, .entry-context .audio-player { border-top-color: var(--sheet-line); grid-template-columns: 44px minmax(0, 1fr) auto; gap: 12px; }
.product-experience .audio-player > .bars, .entry-context .audio-player > .bars { display: none; }
.product-experience .audio-copy strong, .entry-context .audio-copy strong { font-size: 17px; }
.product-experience .audio-copy small, .product-experience .audio-status, .entry-context .audio-copy small, .product-experience .audio-status { color: var(--sheet-muted); }
.product-experience .audio-speed, .entry-context .audio-speed { background: transparent; border-color: var(--sheet-line); color: var(--paper); }
.product-experience .audio-seek, .entry-context .audio-seek { accent-color: var(--orange); }
.cast-notebook .product-use-cases { margin: 0; padding: 32px 0 25px; border-top: 1px solid var(--sheet-line); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.45fr); gap: 18px 6vw; }
.product-use-cases .uses-label { font-size: 14px; color: var(--sheet-muted); }
.product-use-cases h4 { font-size: clamp(28px, 3vw, 44px); margin: 0; line-height: 1.1; }
.product-use-cases .uses-industries { font-size: 16px; margin: 0; max-width: 360px; color: var(--sheet-muted); }
.product-use-cases dt { font-size: 21px; }
.product-use-cases dd { font-size: 17px; }
.sample-disclosure, .use-disclosure { border-bottom: 1px solid var(--sheet-line); scroll-margin-top: 92px; }
.sheet-details details > summary { display: grid; grid-template-columns: minmax(175px, 1fr) minmax(0, 2fr) 30px; gap: 20px; align-items: center; padding: 24px 0; }
.sheet-details summary > .eyebrow { color: var(--sheet-muted); }
.sheet-details summary > strong { font-size: 22px; font-weight: 400; letter-spacing: -.02em; line-height: 1.25; }
.sheet-details .use-disclosure summary > strong { font-size: 17px; }
.sheet-details summary > .disclosure-plus { justify-self: end; }
.sample-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.45fr); gap: 8vw; padding: 24px 0 42px; align-items: start; }
.cast-notebook .sample-layout .product-description { position: static; margin: 0; }
.cast-notebook .sample-layout .product-description h3 { font-size: clamp(40px, 4.2vw, 66px); margin: 23px 0; line-height: 1.08; }
.cast-notebook .sample-layout .concept-label { margin: 0; font-size: 14px; }
.cast-notebook .compact-uses { margin: 0; padding: 10px 0 35px; border: 0; display: grid; grid-template-columns: 1fr 1.45fr; gap: 18px 8vw; }
.compact-uses .uses-label, .compact-uses .uses-industries { display: none; }
.cast-notebook .compact-uses h4 { font-size: clamp(28px, 3.4vw, 48px); line-height: 1.12; }
.compact-uses dl { grid-row: 1 / 3; }
.compact-uses dt { font-size: 20px; }
.compact-uses dd { font-size: 16px; }
.notebook-close { display: grid; grid-template-columns: 1.15fr 1fr; gap: 8vw; padding: 55px 6vw; align-items: end; }
.notebook-close .eyebrow { color: var(--sheet-muted); }
.notebook-close h2 { font-size: clamp(32px, 4.2vw, 65px); letter-spacing: -.04em; line-height: 1.08; margin-top: 20px; }
.notebook-close > div:last-child { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.notebook-close a { font-size: 18px; padding: 6px 0; border-bottom: 1px solid var(--orange); }
.notebook-close a:hover { color: var(--acid); }
.notebook-close p { font-size: 14px; color: var(--sheet-muted); margin-top: 7px; }
.cast-notebook footer { display: flex; align-items: end; justify-content: space-between; gap: 30px; padding: 25px 6vw 30px; border-top: 1px solid var(--sheet-line); }
.cast-notebook .footer-word { font-size: clamp(52px, 6vw, 96px); line-height: 1; }
.cast-notebook .footer-word > span { font-size: 14px; margin: 5px 0 0 8px; }
.cast-notebook .footer-meta { display: flex; flex-wrap: wrap; justify-content: end; padding: 0; margin: 0; border: 0; gap: 10px 24px; font-size: 13px; }
@media (min-width: 1650px) {
  .cast-notebook main, .cast-notebook footer { max-width: 1800px; margin-inline: auto; }
}
@media (max-width: 1050px) {
  .sheet-lead { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 3vw; }
  .sheet-copy h1 { font-size: 6.5vw; }
  .sheet-copy > p:not(.eyebrow) { font-size: 17px; }
  .drawing-meta { font-size: 12px; }
  .study-controls { gap: 20px; }
  .study-step { gap: 10px; }
  .step-wording > strong { font-size: 20px; }
  .entry-flow { gap: 8px; font-size: 12px; }
  .sheet-details details > summary { grid-template-columns: minmax(140px, 1fr) minmax(0, 2fr) 24px; }
}
@media (max-width: 850px) {
  .product-experience { display: flex; flex-direction: column; align-items: stretch; gap: 35px; padding: 30px 0 40px; }
  .detail-mobile-pair { --screen-width: min(280px, calc((100vw - 64px) / 2)); order: -1; }
  .detail-mobile-pair .preview-journey { gap: 16px; }
  .product-experience-copy { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 25px; }
  .cast-notebook .product-experience .product-description { margin-bottom: 0; }
}
@media (max-width: 700px) {
  .cast-notebook .eyebrow { font-size: 13px; }
  .collection-intro { display: block; padding: 115px 22px 28px; }
  .collection-intro h1 { font-size: 13.5vw; margin: 20px 0; }
  .collection-intro h2 { font-size: 25px; }
  .collection-context { margin-top: 28px; }
  .collection-context > .eyebrow, .collection-note { display: none; }
  .collection-context > p { font-size: 16px; margin-top: 0; }
  .collection-nav { margin: 0 22px; justify-content: space-between; gap: 10px; font-size: 13px; }
  .cast-entries { padding-inline: 22px; }
  .cast-entry { padding-top: 24px; }
  .entry-main, .cast-entry:nth-child(2) .entry-main { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .entry-copy { padding-top: 6px; }
  .entry-copy h2 { font-size: 13vw; margin: 14px 0 10px; }
  .entry-copy h3 { font-size: 25px; }
  .entry-copy > p { font-size: 16px; margin-top: 15px; }
  .entry-link { max-width: none; margin-top: 16px; font-size: 15px; }
  .entry-drawing { width: 100%; margin-top: 8px; }
  .entry-flow { margin-top: -8px; font-size: 12px; gap: 8px; }
  .entry-more { margin-top: 25px; }
  .entry-demo, .sample-layout { display: block; padding: 15px 0 28px; }
  .entry-demo .uses { margin-bottom: 26px; }
  .entry-demo .uses > p { font-size: 23px; margin: 15px 0; }
  .entry-demo .uses > span:last-child { font-size: 16px; }
  .cast-notebook .experience { padding: 18px; border-radius: 12px; }
  .cast-notebook .object-view { height: 235px; }
  .cast-notebook .experience-top { font-size: 12px; }
  .cast-notebook .option-group { gap: 7px; }
  .cast-notebook .option-group button { font-size: 14px; padding: 8px 10px; }
  .cast-sheet { padding: 110px 22px 0; }
  .sheet-meta { font-size: 13px; gap: 10px; padding-bottom: 16px; }
  .sheet-lead { display: block; padding: 14px 0 24px; }
  .sheet-copy h1 { font-size: clamp(47px, 14vw, 85px); margin: 17px 0; }
  .sheet-copy h2 { font-size: 28px; }
  .sheet-copy > p:not(.eyebrow) { font-size: 17px; margin-top: 18px; }
  .sheet-try { margin-top: 14px; }
  .sheet-drawing { margin-top: 26px; }
  .drawing-meta { padding: 0; gap: 10px; }
  .sheet-drawing figcaption { padding: 0; font-size: 13px; margin-top: 5px; gap: 10px; }
  .study-pin { width: 22px; height: 22px; font-size: 10px; }
  .study-controls { display: block; padding-top: 8px; }
  .study-step { width: 100%; gap: 16px; padding: 17px 0; border-top-color: var(--sheet-line); }
  .study-step:first-child { border-top-color: transparent; }
  .study-step[aria-pressed="true"] { border-top-color: var(--orange); }
  .step-wording > strong { font-size: 22px; }
  .step-wording > span { max-width: 100%; margin-top: 6px; font-size: 15px; }
  .step-number { padding-top: 4px; }
  .sheet-details { padding: 15px 22px 0; }
  .product-experience { gap: 30px; }
  .product-experience-copy { display: block; }
  .cast-notebook .product-experience .product-description { margin-bottom: 26px; }
  .cast-notebook .product-experience .product-description h3 { font-size: 42px; }
  .detail-mobile-pair .journey-step figcaption { font-size: 12px; white-space: normal; gap: 6px; }
  .cast-notebook .product-use-cases { display: block; padding: 25px 0; }
  .product-use-cases h4 { font-size: 30px; margin: 18px 0; }
  .product-use-cases .uses-industries { margin-bottom: 25px; max-width: 100%; }
  .product-use-cases dt { font-size: 21px; }
  .product-use-cases dd { font-size: 16px; }
  .sheet-details details > summary { grid-template-columns: minmax(0, 1fr) 25px; gap: 9px 15px; padding: 20px 0; }
  .sheet-details summary > .eyebrow { grid-column: 1; }
  .sheet-details summary > strong { grid-column: 1; font-size: 21px; }
  .sheet-details summary > .disclosure-plus { grid-column: 2; grid-row: 1 / 3; }
  .sheet-details .use-disclosure summary > strong { font-size: 16px; }
  .cast-notebook .sample-layout .product-description { margin-bottom: 25px; }
  .cast-notebook .sample-layout .product-description h3 { font-size: 42px; margin: 16px 0; }
  .cast-notebook .compact-uses { display: block; padding: 5px 0 25px; }
  .compact-uses h4 { margin: 0 0 25px; font-size: 30px; }
  .notebook-close { display: block; padding: 40px 22px; }
  .notebook-close h2 { font-size: 39px; margin: 20px 0 28px; }
  .notebook-close > div:last-child { gap: 14px; }
  .notebook-close a { font-size: 17px; }
  .cast-notebook footer { display: block; padding: 25px 22px; }
  .cast-notebook .footer-word { font-size: 58px; margin-bottom: 22px; }
  .cast-notebook .footer-meta { justify-content: start; font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .study-viewport .sketch-canvas, .entry-drawing .sketch-canvas, .study-pin, .disclosure-plus { transition: none; }
}

/* Overview disclosures reuse the same two app screens as each project page. */
.entry-context { min-width: 0; }
.entry-context .audio-player { margin-top: 30px; max-width: 420px; }
.entry-demo .detail-mobile-pair { --screen-width: min(21.5vw, 280px); }
@media (max-width: 850px) {
  .entry-demo { display: flex; flex-direction: column; align-items: stretch; gap: 30px; }
  .entry-demo .detail-mobile-pair { --screen-width: min(280px, calc((100vw - 64px) / 2)); order: -1; }
}