/* ==========================================================================
   Parallex · pages-cases.css  (case-studies.html + case study pages)
   ========================================================================== */

.hdr-nav .nav-btn[aria-current="page"] { color: var(--b1); }

/* ---------- index ---------- */
.cs-hero .t-lead { max-width: 56ch; }
.cs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 520px), 1fr)); gap: var(--gutter); }
.cs-card { display: grid; grid-template-rows: auto 1fr; overflow: hidden; color: inherit; text-decoration: none; }
.cs-card:hover .cs-media img { transform: scale(1.04); }
.cs-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--field); }
.cs-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-snap); }
.cs-logo { position: absolute; left: 18px; top: 18px; display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 14px; border-radius: 999px; background: rgba(255,255,255,.94); color: var(--navy); font-weight: 500; font-size: 14px; }
.cs-body { display: grid; gap: 14px; align-content: start; padding: 26px 28px 28px; }
.cs-tags { display: flex; flex-wrap: wrap; gap: 8px 14px; color: var(--muted); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; font-weight: 500; }
.cs-body h2 { font-size: clamp(24px, 20px + 1vw, 32px); line-height: 1.15; letter-spacing: -.025em; }
.cs-body p { color: var(--muted); }
.cs-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; padding-top: 16px; border-top: 1px solid var(--border); }
.cs-stats b { display: block; font-family: var(--f-head); font-weight: 500; font-size: clamp(26px, 22px + 1vw, 34px); letter-spacing: -.03em; line-height: 1.1; }
.cs-stats small { color: var(--muted); font-size: 13px; }
.cs-more { margin-top: 4px; }
/* a single (or first-of-one) case study is featured full width: image beside the story */
@media (min-width: 900px) {
  .cs-grid > .cs-card:only-child { grid-column: 1 / -1; grid-template-rows: none; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); }
  .cs-grid > .cs-card:only-child .cs-media { aspect-ratio: auto; min-height: 460px; }
  .cs-grid > .cs-card:only-child .cs-body { align-content: center; padding: 40px 44px; }
}

/* ---------- case study page ---------- */
.csp-hero .crumbs { margin-bottom: 28px; }
.csp-head { display: grid; gap: 20px; max-width: 900px; }
.csp-head h1 { max-width: 20ch; font-size: clamp(42px, 28px + 3.4vw, 76px); line-height: 1.02; letter-spacing: -.04em; }
.csp-head .t-lead { max-width: 60ch; }
.csp-meta { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 44px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.csp-meta div { display: grid; gap: 4px; padding: 18px 20px 18px 0; }
.csp-meta div + div { padding-inline-start: 20px; border-inline-start: 1px solid var(--border); }
.csp-meta small { color: var(--muted); font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; font-weight: 500; }
.csp-meta b { font-weight: 500; }
.csp-cover { margin-top: 40px; aspect-ratio: 21 / 9; border-radius: var(--r-tile); overflow: hidden; background: var(--field); box-shadow: var(--sh-soft); }
.csp-cover img { width: 100%; height: 100%; object-fit: cover; }

.csp-results { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gutter); }
.csp-results div { display: grid; gap: 8px; padding: 26px; border-radius: 24px; background: #fff; box-shadow: 0 0 0 1px var(--border); }
.csp-results b { font-family: var(--f-head); font-weight: 500; font-size: clamp(40px, 30px + 2vw, 60px); letter-spacing: -.04em; line-height: 1; color: var(--b1); }
.csp-results small { color: var(--muted); font-size: 15px; }

.csp-body { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: clamp(32px, 20px + 4vw, 96px); align-items: start; }
.csp-aside { position: sticky; top: calc(var(--header-h) + 32px); display: grid; gap: 18px; padding: 24px; border-radius: 24px; background: var(--mist); }
.csp-aside h2 { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--b1); font-weight: 500; }
.csp-aside p { color: var(--muted); font-size: 15px; }
.csp-aside ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.csp-aside li { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.csp-aside li .ic { color: var(--b1); flex: none; }
.csp-prose { display: grid; gap: 22px; max-width: 70ch; font-size: 18px; line-height: 1.65; color: #2A3142; }
.csp-prose h2 { margin-top: 26px; font-size: clamp(28px, 22px + 1.2vw, 40px); line-height: 1.1; letter-spacing: -.03em; color: var(--navy); }
.csp-prose h2:first-child { margin-top: 0; }
.csp-prose figure { margin: 18px 0; }
.csp-prose figure img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 20px; }
.csp-prose figcaption { margin-top: 10px; color: var(--muted); font-size: 14px; }
.csp-quote { margin: 18px 0; padding: 30px 32px; border-radius: 24px; background: var(--field); color: #fff; }
.csp-quote p { font-family: var(--f-head); font-weight: 500; font-size: clamp(22px, 18px + 1vw, 30px); line-height: 1.3; letter-spacing: -.02em; }
.csp-quote footer { display: flex; align-items: center; gap: 12px; margin-top: 22px; font-size: 15px; }
.csp-quote footer .av { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.2); font-weight: 500; }
.csp-quote footer small { display: block; color: var(--on-dark-2); }

@media (max-width: 1023px) {
  .csp-results { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .csp-body { grid-template-columns: 1fr; }
  .csp-aside { position: static; }
}
@media (max-width: 699px) {
  .csp-meta { grid-template-columns: 1fr 1fr; }
  .csp-meta div:nth-child(3) { padding-inline-start: 0; border-inline-start: 0; }
  .csp-meta div:nth-child(n+3) { border-top: 1px solid var(--border); }
  .csp-cover { aspect-ratio: 4 / 3; }
  .cs-stats { grid-template-columns: 1fr 1fr; }
  .csp-prose { font-size: 17px; }
}
@media (max-width: 479px) { .csp-results { grid-template-columns: 1fr; } }