/* ─── Other Projects — editorial hover list with fixed thumbnail pane ────
   All rules namespaced under .op-* so they cannot collide with the site.
   Palette + type inherit from the site defaults; overridable at :root. */

.op-root {
  --op-bg: transparent;
  --op-ink: #1a1a1a;
  --op-ink-dim: rgba(26, 26, 26, 0.35);
  --op-line: rgba(26, 26, 26, 0.12);
  --op-accent: #D9412C;
  --op-display: Gambarino, Georgia, serif;
  --op-sans: Clashgrotesk, Verdana, sans-serif;
  --op-mono: ui-monospace, "SF Mono", Menlo, monospace;

  display: block;
  color: var(--op-ink);
  font-family: var(--op-sans);
  box-sizing: border-box;
  padding: 24px 0 64px;
}

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

.op-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}

/* ─── List ───────────────────────────────────────────── */
.op-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--op-line);
}

.op-row {
  border-bottom: 1px solid var(--op-line);
  padding: 22px 0;
  cursor: pointer;
  position: relative;
  /* entrance state */
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.9s cubic-bezier(.2,.7,.3,1),
    transform 0.9s cubic-bezier(.2,.7,.3,1);
}
.op-row.is-in {
  opacity: 1;
  transform: translateY(0);
}

.op-row-head {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: baseline;
  gap: 24px;
}

.op-row-num {
  font-family: var(--op-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--op-ink-dim);
  transition: color 0.3s ease;
}

.op-row-title {
  font-family: var(--op-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(32px, 4.6vw, 64px);
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--op-ink-dim);
  transition: color 0.35s ease, transform 0.35s cubic-bezier(.2,.7,.3,1);
}

.op-row-meta {
  font-family: var(--op-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--op-ink-dim);
  white-space: nowrap;
  opacity: 0.6;
  transition: opacity 0.3s ease, color 0.3s ease;
}

/* dim non-hovered rows while hovering the list */
.op-list.is-hovering .op-row .op-row-title { color: var(--op-ink-dim); }
.op-list.is-hovering .op-row .op-row-num,
.op-list.is-hovering .op-row .op-row-meta { opacity: 0.35; }

/* active row (either hovered, or default first) */
.op-row.is-active .op-row-num { color: var(--op-accent); opacity: 1; }
.op-row.is-active .op-row-title {
  color: var(--op-ink);
  transform: translateX(10px);
}
.op-row.is-active .op-row-meta { opacity: 1; color: var(--op-ink); }

/* ─── Thumbnail pane ────────────────────────────────── */
.op-pane {
  position: sticky;
  top: 96px;
  aspect-ratio: 4 / 3;
  width: 100%;
  border-radius: 6px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--op-line);
}

.op-thumb {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition:
    opacity 0.45s cubic-bezier(.2,.7,.3,1),
    transform 0.9s cubic-bezier(.2,.7,.3,1);
  will-change: opacity, transform;
}
.op-thumb.is-active {
  opacity: 1;
  transform: scale(1);
}

/* subtle floating gradient overlay so thumbs read as premium */
.op-pane::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0) 60%, rgba(0,0,0,0.18));
  pointer-events: none;
}

/* label chip in the corner of the pane */
.op-pane-label {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  color: #fff;
  font-family: var(--op-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 9px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  border-radius: 999px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.op-pane-label.is-visible { opacity: 1; transform: translateY(0); }

/* ─── Mobile ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .op-root { padding: 16px 0 48px; }
  .op-layout { grid-template-columns: 1fr; gap: 24px; }
  .op-pane { display: none; }
  .op-row { padding: 18px 0; }
  .op-row-head {
    grid-template-columns: 32px 1fr;
    gap: 14px;
  }
  .op-row-meta { display: none; }
  .op-mobile-thumb {
    margin-top: 12px;
    margin-left: 46px;
    aspect-ratio: 4 / 3;
    background-size: cover;
    background-position: center;
    border-radius: 4px;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(.2,.7,.3,1), opacity 0.3s ease;
  }
  .op-row.is-active .op-mobile-thumb {
    max-height: 260px;
    opacity: 1;
  }
}

@media (min-width: 901px) {
  .op-mobile-thumb { display: none; }
}

/* ─── Reduced motion ─────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .op-row,
  .op-row-title,
  .op-thumb,
  .op-pane-label,
  .op-mobile-thumb { transition: none !important; }
  .op-row { opacity: 1; transform: none; }
  .op-thumb.is-active { transform: none; }
}