/* KRK Studio — Work detail (v2.1 · 261005)
   PC: left image column scrolls, right text column sticks.
   Mobile: 4:3 swipe slider first, then text. */

.site-header.has-rule { border-bottom: 1px solid var(--ink); }

.split { display: flex; align-items: flex-start; }

/* ── Images (PC) — no rules between images ──────────────── */
.pane-img { width: 58%; flex: 0 0 58%; display: flex; flex-direction: column; }
.pane-img figure { margin: 0; overflow: hidden; background: var(--mist); }
.pane-img figure img, .pane-img figure video { width: 100%; height: 100%; object-fit: cover; }
.r-hero { aspect-ratio: 4 / 5; }
.r-sq { aspect-ratio: 1 / 1; }
.r-story { aspect-ratio: 9 / 16; }
.r-anchor { aspect-ratio: 4 / 3; }
.r-free img { height: auto; }
.row-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.row-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.group-label { padding: 28px clamp(20px, 3vw, 40px) 12px; }

/* ── Mobile-only blocks (hidden on PC) ──────────────────── */
.m-slider, .m-detail, .site-footer.m-only { display: none; }

/* ── Text ───────────────────────────────────────────────── */
.pane-text {
  position: sticky;
  top: var(--header-h);
  width: 42%;
  flex: 0 0 42%;
  height: calc(100vh - var(--header-h));
  overflow: auto;
  border-left: 1px solid var(--ink);
  padding: 40px clamp(24px, 3vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.meta-row { display: flex; justify-content: space-between; align-items: baseline; }
.case-title { margin: 0 0 10px; font-family: var(--serif-display); font-weight: 400; font-size: 48px; line-height: 1.05; letter-spacing: -0.01em; }
.case-slogan { margin: 0; font-family: var(--sans); font-weight: 400; font-size: 15px; line-height: 1.5; color: var(--ink-muted); }
.case-lead { margin: 0; font-size: 15px; line-height: 1.8; }

/* Scope · Tools · Workflow — one table */
.credits { border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.credits .k { font-size: 10px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-muted); }
.credit { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--hairline); font-size: 13px; line-height: 1.6; }
.credit .k { padding-top: 3px; }
.acc-btn {
  display: flex; justify-content: space-between; align-items: center; width: 100%;
  padding: 14px 0; border: 0; background: transparent; cursor: pointer; text-align: left; transition: color 160ms ease;
}
.acc-btn:hover, .acc-btn:hover .k { color: var(--signal-ink); }
.acc-btn .plus { font-family: var(--serif-text); font-size: 18px; line-height: 1; transition: transform 240ms ease; }
.acc-btn[aria-expanded="true"] .plus { transform: rotate(45deg); }
.acc-panel { padding: 4px 0 18px; }
.acc-panel[hidden] { display: none; }
.acc-panel .wf-title { margin: 0 0 10px; font-family: var(--serif-display); font-size: 22px; line-height: 1.25; }
.acc-panel .wf-lead { margin: 0 0 14px; font-size: 13px; line-height: 1.7; color: var(--ink-muted); }
.acc-panel ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--hairline); }
.acc-panel li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--hairline); font-size: 14px; line-height: 1.6; }
.acc-panel li:last-child { border-bottom: 0; }
.acc-panel li span:first-child { font-family: var(--serif-text); color: var(--ink-muted); }

.case-nav { margin-top: auto; padding-top: 24px; border-top: 1px solid var(--ink); display: flex; justify-content: space-between; align-items: center; }
.case-nav .next { font-family: var(--serif-display); font-size: 18px; letter-spacing: 0.02em; transition: color 160ms ease; }
.case-nav .next:hover { color: var(--signal-ink); }

/* ── Mobile ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .split { flex-direction: column; }
  .pane-img { display: none; }
  /* Sticky Detail bar under the header; panel opens beneath it */
  .m-detail { display: block; position: sticky; top: var(--header-h); z-index: 30; background: rgba(255,255,255,.96); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid var(--ink); }
  .m-detail-bar { display: flex; justify-content: space-between; align-items: center; width: 100%; padding: 12px 20px; border: 0; background: transparent; cursor: pointer; text-align: left; }
  .m-detail-name { font-family: var(--serif-display); font-size: 20px; line-height: 1.2; }
  .m-detail-toggle { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-muted); }
  .m-detail-toggle .plus { font-family: var(--serif-text); font-size: 18px; line-height: 1; color: var(--ink); transition: transform 240ms ease; }
  .m-detail-bar[aria-expanded="true"] .plus { transform: rotate(45deg); }
  .m-detail-panel { max-height: calc(100vh - var(--header-h) - 52px); overflow: auto; padding: 16px 20px 20px; border-top: 1px solid var(--hairline); display: flex; flex-direction: column; gap: 14px; }
  .m-detail-panel[hidden] { display: none; }
  .m-detail-panel .case-slogan { font-size: 14px; }
  .m-detail-panel .case-lead { font-size: 13.5px; line-height: 1.75; }
  .m-detail-panel .credits { border-bottom: 0; }
  .m-detail-panel .credit:last-child { border-bottom: 0; }
  .m-detail-panel .wf-title { font-family: var(--serif-display); font-size: 16px; line-height: 1.3; }
  .m-detail-panel .wf-lead { font-size: 12.5px; line-height: 1.6; color: var(--ink-muted); }
  .m-detail-panel .wf-list { margin: 0; padding: 0; list-style: none; }
  .m-detail-panel .wf-list li { display: grid; grid-template-columns: 24px 1fr; gap: 8px; padding: 6px 0; font-size: 13px; line-height: 1.5; }
  .m-detail-panel .wf-list li span:first-child { font-family: var(--serif-text); color: var(--ink-muted); }

  .m-slider { display: block; width: 100%; }
  .site-footer.m-only { display: flex; }
  .m-track {
    display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
    -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain;
  }
  .m-track::-webkit-scrollbar { display: none; }
  .m-slide { flex: 0 0 100%; margin: 0; aspect-ratio: 3 / 4; overflow: hidden; background: var(--mist); scroll-snap-align: start; scroll-snap-stop: always; }
  .m-slide img, .m-slide video { width: 100%; height: 100%; object-fit: cover; }
  .m-meta { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px 0; }
  .m-count { font-family: var(--serif-text); font-size: 12px; color: var(--ink-muted); }
  .m-hint { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); }

  .pane-text { position: static; flex: none; width: 100%; height: auto; overflow: visible; border-left: 0; padding: 0 20px; gap: 0; }
  .pane-text > :not(.case-nav) { display: none; }
  .credit { grid-template-columns: 80px 1fr; gap: 12px; padding: 12px 0; }
  .case-nav { margin-top: 24px; padding: 18px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); gap: 16px; }
  .case-nav .next { font-size: 17px; }
  .site-footer { padding-top: 56px; }
}