/* ==========================================================================
   SELECTED WORK — hover index + inline case studies
   ========================================================================== */
.wk-hero { padding: calc(var(--nav-h) + clamp(3rem, 7vw, 6rem)) 0 clamp(2rem, 4vw, 3rem); }
.wk-hero__grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 6rem); align-items: end; }
.wk-hero__title { font-size: var(--t-3xl); margin-top: 1rem; max-width: 12ch; }
.wk-hero__title em { color: var(--red); }
.wk-hero__lead { color: var(--text-2); font-size: var(--t-lg); line-height: 1.5; max-width: 42ch; }
.wk-hero__stats { display: flex; gap: 2.5rem; margin-top: 1.75rem; }
.wk-hero__stats strong { display: block; font-family: var(--f-display); font-size: var(--t-xl); line-height: 1; }
.wk-hero__stats span { font-size: var(--t-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--text-3); }

.wk-bar { position: sticky; top: var(--nav-h); z-index: 30; background: rgba(243,241,236,.94); backdrop-filter: blur(14px); border-block: 1px solid var(--line); }
.wk-bar__row { display: flex; align-items: center; gap: 1rem; padding: .8rem 0; flex-wrap: wrap; }
.wk-bar__right { margin-left: auto; display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }

/* Index layout */
.wk-index { padding-block: clamp(2rem, 4vw, 3.5rem) clamp(4rem, 8vw, 7rem); }
.wk-index__grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 4vw, 5rem); align-items: start; }
.wk-list { border-top: 1px solid var(--line-strong); }
.wk-row { border-bottom: 1px solid var(--line-strong); scroll-margin-top: calc(var(--nav-h) + 72px); }
.wk-row__head { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr) auto auto 2.5rem; align-items: baseline; gap: 1.25rem; width: 100%; text-align: left; padding: clamp(1.1rem, 2vw, 1.6rem) 0; transition: padding-left .5s var(--ease); cursor: pointer; }
.wk-row__head:hover, .wk-row.is-active .wk-row__head { padding-left: .6rem; }
.wk-row__num { font-family: var(--f-display); color: var(--red); font-size: var(--t-sm); letter-spacing: .1em; }
.wk-row__title { font-family: var(--f-display); font-size: clamp(1.5rem, 1.2rem + 1.6vw, 2.6rem); line-height: 1; transition: color .3s; }
.wk-row__head:hover .wk-row__title { color: var(--red); }
.wk-row__meta { font-size: var(--t-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--text-3); white-space: nowrap; }
.wk-row__year { font-family: var(--f-serif); font-style: italic; font-size: 1.1rem; color: var(--text-2); }
.wk-row__plus { width: 28px; height: 28px; border: 1px solid var(--line-strong); border-radius: 50%; display: grid; place-items: center; justify-self: end; transition: transform .5s var(--ease), background .3s, color .3s; }
.wk-row__plus svg { width: 12px; height: 12px; }
.wk-row.is-active .wk-row__plus { transform: rotate(45deg); background: var(--ink); color: var(--cream); border-color: var(--ink); }

/* Expanded case study */
.wk-row__body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .7s var(--ease); }
.wk-row.is-active .wk-row__body { grid-template-rows: 1fr; }
.wk-row__inner { overflow: hidden; }
.wk-case { padding: .5rem 0 clamp(1.75rem, 3vw, 2.5rem); display: grid; gap: 1.5rem; }
.wk-case__cover { aspect-ratio: 16 / 9; background: var(--bg-2); position: relative; overflow: hidden; }
.wk-case__cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.wk-case__cover a { position: absolute; inset: 0; }
.wk-case__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 2rem; align-items: start; }
.wk-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.5rem; }
.wk-facts div { border-top: 1px solid var(--line); padding-top: .6rem; }
.wk-facts small { display: block; font-size: var(--t-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--text-3); margin-bottom: .2rem; }
.wk-facts strong { font-family: var(--f-display); font-weight: 500; font-size: 1.15rem; }
.wk-case__story { color: var(--text-2); font-size: var(--t-base); line-height: 1.6; }
.wk-case__story p + p { margin-top: .8rem; }
.wk-case__story em { color: var(--text-3); }
.wk-case__actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.25rem; }
.wk-strip { display: flex; gap: .5rem; overflow-x: auto; scrollbar-width: none; padding-bottom: .25rem; scroll-snap-type: x proximity; }
.wk-strip::-webkit-scrollbar { display: none; }
.wk-strip a { flex: 0 0 auto; width: clamp(140px, 16vw, 220px); aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-2); scroll-snap-align: start; }
.wk-strip img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 1s var(--ease); }
.wk-strip a:hover img { transform: scale(1.05); }

/* Sticky preview */
.wk-preview { position: sticky; top: calc(var(--nav-h) + 1rem); }
.wk-preview__frame { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--bg-2); }
.wk-preview__frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.04); transition: opacity .7s var(--ease), transform 1.4s var(--ease); }
.wk-preview__frame img.is-on { opacity: 1; transform: none; }
.wk-preview__cap { display: flex; justify-content: space-between; align-items: baseline; margin-top: .8rem; font-size: var(--t-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--text-3); }
.wk-preview__cap strong { font-family: var(--f-display); font-size: 1.1rem; letter-spacing: 0; text-transform: none; color: var(--text); }
.wk-preview__hint { margin-top: .6rem; font-family: var(--f-serif); font-style: italic; color: var(--text-3); font-size: 1rem; }

/* Cross-link to walkthrough */
.wk-tour { background: var(--dark); color: var(--cream); position: relative; overflow: clip; }
.wk-tour::before { content: ''; position: absolute; left: -6%; bottom: -30%; width: 42vw; max-width: 700px; aspect-ratio: 1; background: url('../images/arch-white.png') center / contain no-repeat; opacity: .05; }
.wk-tour .eyebrow { color: var(--gold-2); }
.wk-tour__grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: clamp(2rem, 5vw, 6rem); align-items: center; position: relative; }
.wk-tour__title { font-size: var(--t-2xl); margin-top: 1rem; }
.wk-tour__title em { color: var(--gold-2); }
.wk-tour__body { margin-top: 1.25rem; color: rgba(242,236,224,.75); font-size: var(--t-lg); line-height: 1.5; max-width: 42ch; }
.wk-tour__frame { aspect-ratio: 16 / 10; background: #0f0d0b; border: 1px solid rgba(242,236,224,.15); position: relative; overflow: hidden; display: grid; place-items: center; }
.wk-tour__frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.wk-tour__frame .btn { position: relative; }

@media (max-width: 960px) {
  .wk-hero__grid, .wk-index__grid, .wk-tour__grid { grid-template-columns: 1fr; }
  .wk-preview { display: none; }
  .wk-row__head { grid-template-columns: 2.5rem minmax(0, 1fr) auto 2rem; }
  .wk-row__meta { display: none; }
  .wk-case__grid { grid-template-columns: 1fr; }
  .wk-bar { position: static; } .wk-bar__right { margin-left: 0; width: 100%; }
}