/* ==========================================================================
   Case studies + work index
   ========================================================================== */
.cs-hero { padding-top: calc(var(--header-h) + clamp(48px, 7vw, 96px)); }
.crumb { display: flex; gap: .5em; align-items: baseline; font-size: 1.05rem; color: var(--muted); margin-bottom: 24px; }
.crumb a { text-decoration: none; }
.cs-top { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .9fr); gap: 32px clamp(32px, 6vw, 100px); align-items: end; }
.cs-title { font-size: clamp(3.8rem, 11.5vw, 12rem); line-height: .86; letter-spacing: -.05em; margin-left: -.04em; }
.cs-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 28px; }
.cs-overview { display: grid; gap: 14px; justify-items: start; }
.cs-lede { font-size: var(--s-1); line-height: 1.45; color: #DCD3C8; margin: 0 0 10px; max-width: 36ch; }
.cs-small { font: 500 .95rem var(--text); color: var(--muted); margin: 0; }
.cs-services { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-bottom: 14px; }
.cs-meta { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin: clamp(48px, 7vw, 96px) 0 0; padding-block: 22px; border-top: 1px solid var(--line); }
.cs-meta dt { font-size: .9rem; color: var(--muted); margin-bottom: 6px; }
.cs-meta dd { margin: 0; }
.cs-cover { position: relative; aspect-ratio: 21 / 9; margin-top: 8px; border-radius: var(--r-card); overflow: hidden; }
.cs-cover .cover { animation: cover-in 1.6s var(--ease-out) both; }
@keyframes cover-in { from { transform: scale(1.08); } }

.cs-split { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(32px, 6vw, 100px); }
.cs-split .label { margin-bottom: 20px; }
.cs-split h2 { max-width: 12ch; }
.cs-prose p { font-size: var(--s-1); line-height: 1.55; max-width: 60ch; }
.cs-prose p + p { color: var(--muted); }
.cs-honest { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 1rem !important; }
.cs-honest strong { color: var(--fg); font-weight: 600; }
.cs-note { display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: start; padding: 24px 28px; border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); border-radius: var(--r-card); max-width: 880px; }
.cs-note p { margin: 0; color: var(--muted); }
.cs-note p strong { color: var(--fg); }

/* Live demo */
.cs-demo-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; margin-bottom: 32px; }
.cs-demo-head h2 { max-width: 14ch; margin-top: 20px; }
.demo-tools { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.seg button { border: 0; background: none; color: var(--muted); padding: 9px 16px; border-radius: 999px; cursor: pointer; font-size: .9rem; }
.seg button[aria-pressed="true"] { background: var(--fg); color: var(--bg); }
.demo-shell { transition: max-width .7s var(--ease-out); max-width: 100%; margin-inline: auto; }
.demo-shell.is-mobile { max-width: 400px; }
.demo-shell .device { border-radius: 14px; }
.demo-shell.is-mobile .device { border-radius: 36px; padding: 10px; background: #0c0b0a; }
.demo-shell.is-mobile .device-bar { display: none; }
.demo-shell.is-mobile iframe { border-radius: 28px; height: 760px; }
.demo-frame { position: relative; background: #0c0b0a; }
.demo-frame iframe { width: 100%; height: min(78vh, 820px); border: 0; display: block; background: #fff; }
.demo-load { position: absolute; inset: 0; display: grid; place-items: center; align-content: center; gap: 18px; text-align: center; background: var(--ink); color: var(--ivory); z-index: 1; }
.demo-load[hidden] { display: none; }
.demo-load p { margin: 0; color: var(--muted); font-size: .95rem; }
.demo-try { margin-top: 28px; display: grid; gap: 12px; }
.demo-try ul { display: flex; flex-wrap: wrap; gap: 8px; }
.demo-try li { padding: 8px 14px; border-radius: 999px; background: rgba(244,236,227,.06); font-size: .92rem; }

/* Decisions */
.decisions { border-top: 1px solid var(--line); }
.decision { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 48px; padding: clamp(28px, 4vw, 48px) 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.decision .q { font: italic 400 var(--s-2)/1.2 var(--display); color: var(--muted); }
.decision .a { font: 500 var(--s-2)/1.15 var(--display); }
.decision .a small { display: block; font: 400 1rem/1.55 var(--text); color: var(--muted); margin-top: 12px; }

/* Features */
.cs-feat-h { margin: clamp(56px, 7vw, 96px) 0 18px; }
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.features li { padding: 28px 28px 28px 0; border-bottom: 1px solid var(--line); }
.features li:not(:nth-child(3n + 1)) { padding-left: 28px; border-left: 1px solid var(--line); }
.features h3 { font: 500 1.4rem/1.15 var(--display); margin-bottom: 8px; }
.features p { margin: 0; color: var(--muted); font-size: .97rem; }

/* Package CTA */
.cs-package { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(32px, 6vw, 100px); align-items: end; }
.cs-package h2 { max-width: 12ch; }
.cs-package .lede { margin: 28px 0 36px; color: #CFC6BB; }
.pk-card { border: 1px solid var(--line); border-radius: 6px; padding: 32px; display: grid; gap: 18px; }
.pk-card h3 { font: 500 var(--s-3)/1 var(--display); }
.pk-card ul { display: grid; gap: 10px; }
.pk-card li { display: grid; grid-template-columns: 18px 1fr; gap: 8px; }
.pk-card li::before { content: "—"; color: var(--accent); }
.pk-card .form-small { margin-top: 4px; }

/* Next */
.cs-after { padding-block: clamp(48px, 6vw, 96px) clamp(72px, 9vw, 130px); }
.cs-next { display: grid; gap: 14px; text-decoration: none; padding-block: clamp(40px, 6vw, 80px) clamp(72px, 9vw, 120px); margin-bottom: clamp(48px, 6vw, 80px); border-bottom: 1px solid var(--line); }
.cs-next-title { font: 500 clamp(3.6rem, 12vw, 12rem)/.86 var(--display); letter-spacing: -.05em; }
.cs-next-sub { color: var(--muted); }
.cs-next:hover .cs-next-title { font-style: italic; }
.cs-more { margin-top: 28px; }

/* Work index */
.work-list { display: grid; gap: clamp(64px, 9vw, 140px); }
.work-row { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 64px); align-items: end; }
.work-row:nth-child(even) { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); }
.work-row:nth-child(even) .work-row-cover { order: 2; }
.work-row-cover { position: relative; aspect-ratio: 4 / 3; border-radius: 6px; overflow: hidden; display: block; }
.work-row-cover .cover { transition: transform 1.4s var(--ease-out); }
.work-row:hover .work-row-cover .cover { transform: scale(1.03); }
.work-row-info { display: grid; gap: 18px; }
.work-row-info .panel-n { font: 500 .8rem var(--text); letter-spacing: .2em; text-transform: uppercase; color: var(--accent); }
.work-row-info h2 { font-size: clamp(2.8rem, 6vw, 5.6rem); line-height: .92; letter-spacing: -.035em; }
.work-row-info h2 a { text-decoration: none; }
.work-row-info p { color: var(--muted); max-width: 40ch; margin: 0; }
.work-row-info .tags { display: flex; gap: 6px; flex-wrap: wrap; }
.work-row-info .btn-row { gap: 22px; }
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 56px; }
.filter-bar button { border: 1px solid var(--line); background: none; border-radius: 999px; padding: 9px 16px; cursor: pointer; font-size: .92rem; color: var(--fg); }
.filter-bar button[aria-pressed="true"] { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.work-row[hidden] { display: none; }
.work-honest { margin-top: clamp(64px, 9vw, 120px); }

@media (max-width: 900px) {
  .cs-meta { grid-template-columns: 1fr 1fr; }
  .cs-top { grid-template-columns: 1fr; }
  .cs-cover { aspect-ratio: 4 / 3; }
  .cs-split, .cs-package, .work-row, .work-row:nth-child(even) { grid-template-columns: 1fr; }
  .work-row:nth-child(even) .work-row-cover { order: 0; }
  .decision { grid-template-columns: 1fr; gap: 10px; }
  .features { grid-template-columns: 1fr; }
  .features li:not(:nth-child(3n + 1)) { padding-left: 0; border-left: 0; }
  .demo-frame iframe { height: 72vh; }
}
@media (max-width: 520px) {
  .cs-note { grid-template-columns: 1fr; }
  .demo-shell.is-mobile iframe { height: 640px; }
}

.work-honest { margin-top: clamp(64px, 9vw, 120px); }
.demo-links { margin-top: 40px; display: grid; gap: 14px; }
.demo-links ul { display: flex; flex-wrap: wrap; gap: 12px 32px; }
.pk-card { border-radius: var(--r-card); }