/* ==========================================================================
   CASE STUDY TEMPLATE — extends styles.css
   Shared layout for /work/[slug] pages.
   ========================================================================== */

/* ── Back link ── */
.cs-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ecl-mono);
  font-size: var(--ecl-fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ecl-muted);
  margin-bottom: var(--ecl-sp-4);
  transition: color var(--ecl-transition);
}
.cs-back:hover { color: var(--ecl-ink); }

/* ── Hero ── */
.cs-hero {
  padding: var(--ecl-sp-6) 0 var(--ecl-sp-5);
  border-bottom: none;
}
.cs-hero h1 {
  font-size: clamp(56px, 7vw, 140px);
  line-height: 0.92;
  margin-bottom: var(--ecl-sp-3);
}
.cs-hero .lead {
  max-width: 640px;
  margin-bottom: var(--ecl-sp-5);
}
.cs-hero .label {
  margin-bottom: var(--ecl-sp-3);
  display: block;
}

/* Meta row — key facts under the headline */
.cs-meta-row {
  display: flex;
  gap: var(--ecl-sp-5);
  padding-top: var(--ecl-sp-4);
  border-top: var(--ecl-border);
  flex-wrap: wrap;
}
.cs-meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cs-meta-item .label { margin-bottom: 0; }
.cs-meta-item span,
.cs-meta-item a {
  font-family: var(--ecl-sans);
  font-size: var(--ecl-fs-sm);
  font-weight: 500;
}
.cs-meta-item a {
  border-bottom: 2px solid var(--ecl-magenta);
  padding-bottom: 1px;
}

/* ── Hero media (full-width screenshot) ── */
.cs-hero-media {
  padding: 0 0 var(--ecl-sp-6);
  border-bottom: var(--ecl-border);
  position: relative;
}
.cs-screenshot {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--ecl-cream);
  border: var(--ecl-border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ecl-serif);
  font-style: italic;
  font-size: clamp(24px, 2.5vw, 48px);
  color: var(--ecl-muted);
}

/* ── Content sections ── */
.cs-content {
  max-width: 960px;
}
.cs-section {
  margin-bottom: var(--ecl-sp-6);
}
.cs-section .label {
  display: block;
  margin-bottom: var(--ecl-sp-3);
}
.cs-section h2 {
  margin-bottom: var(--ecl-sp-4);
}
.cs-section p {
  font-size: var(--ecl-fs-lead);
  line-height: 1.5;
  color: var(--ecl-ink);
  max-width: 720px;
  margin-bottom: var(--ecl-sp-3);
}

/* ── Deliverables grid ── */
.cs-deliverables {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: var(--ecl-border);
  padding-top: var(--ecl-sp-5);
}
.cs-deliverable {
  padding-right: var(--ecl-sp-4);
  border-right: var(--ecl-border);
}

/* four tools instead of three (UnitySCM): keep one even row rather than a lone card */
.cs-deliverables--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) { .cs-deliverables--4 { grid-template-columns: repeat(2, 1fr); } }
.cs-deliverable:last-child { border-right: none; padding-right: 0; }
.cs-deliverable:not(:first-child) { padding-left: var(--ecl-sp-4); }
.cs-deliverable h3 {
  font-size: var(--ecl-fs-md);
  margin-bottom: var(--ecl-sp-2);
}
.cs-deliverable p {
  font-size: var(--ecl-fs-sm);
  color: var(--ecl-muted);
  line-height: 1.5;
}

/* ── Full-width image break ── */
.cs-full-image {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  aspect-ratio: 21 / 9;
  background: var(--ecl-cream);
  border-top: var(--ecl-border);
  border-bottom: var(--ecl-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ecl-serif);
  font-style: italic;
  font-size: clamp(24px, 3vw, 56px);
  color: var(--ecl-muted);
  position: relative;
}
.cs-full-image::after {
  content: attr(data-label);
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--ecl-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ecl-muted);
  font-style: normal;
}

/* ── Results ── */
.cs-results {
  background: var(--ecl-bg);
}
.cs-results > .container > .label {
  display: block;
  margin-bottom: var(--ecl-sp-4);
}
.cs-results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: var(--ecl-border);
  padding-top: var(--ecl-sp-4);
  overflow: visible;
}
.cs-result {
  padding: var(--ecl-sp-3) var(--ecl-sp-4);
  border-right: var(--ecl-border);
  overflow: visible;
}
.cs-result:first-child { padding-left: 8px; }
.cs-result:last-child { border-right: none; padding-right: 0; }
.cs-results .cs-result .stat-num {
  font-family: var(--ecl-serif) !important;
  font-size: clamp(36px, 5vw, 80px) !important;
  font-style: italic;
  line-height: 1.4 !important;
  display: block !important;
  margin-bottom: var(--ecl-sp-1);
  color: transparent;
  background: var(--ecl-gradient);
  -webkit-background-clip: text;
  background-clip: text;
}

/* ── Quote ── */
.cs-quote {
  max-width: 960px;
  padding: var(--ecl-sp-4) 0;
}
.cs-blockquote {
  font-family: var(--ecl-serif);
  font-size: var(--ecl-fs-lg);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--ecl-sp-4);
}
.cs-blockquote em {
  background: var(--ecl-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-style: italic;
}
.cs-quote-author {
  padding-top: var(--ecl-sp-3);
  border-top: var(--ecl-border);
}

/* ── Gallery (2-up) ── */
.cs-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ecl-sp-4);
}
.cs-gallery-item {
  aspect-ratio: 16 / 10;
  background: var(--ecl-cream);
  border: var(--ecl-border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ecl-serif);
  font-style: italic;
  font-size: clamp(18px, 1.6vw, 28px);
  color: var(--ecl-muted);
  position: relative;
}
.cs-gallery-item::after {
  content: attr(data-label);
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--ecl-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ecl-muted);
  font-style: normal;
}

/* ── Next project link ── */
.cs-next {
  background: var(--ecl-cream);
}
.cs-next .label {
  display: block;
  margin-bottom: var(--ecl-sp-3);
}
.cs-next-link {
  display: block;
  padding-top: var(--ecl-sp-4);
  border-top: var(--ecl-border);
  transition: padding-left var(--ecl-transition-smooth);
}
.cs-next-link h2 {
  transition: all var(--ecl-transition-smooth);
}
.cs-next-link:hover {
  padding-left: var(--ecl-sp-3);
}
.cs-next-link:hover h2 {
  background: var(--ecl-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.cs-next-link .label { border: none; padding: 0; margin-top: var(--ecl-sp-1); }

.cs-next-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ecl-sp-5);
  align-items: center;
}
.cs-next-preview {
  aspect-ratio: 16 / 10;
  background: var(--ecl-bg);
  border: var(--ecl-border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ecl-serif);
  font-style: italic;
  font-size: clamp(18px, 1.6vw, 28px);
  color: var(--ecl-muted);
  position: relative;
}
.cs-next-preview::after {
  content: attr(data-label);
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--ecl-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ecl-muted);
  font-style: normal;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .cs-meta-row { flex-direction: column; gap: var(--ecl-sp-3); }
  .cs-deliverables { grid-template-columns: 1fr; }
  .cs-deliverable {
    border-right: none;
    border-bottom: var(--ecl-border-soft);
    padding: var(--ecl-sp-3) 0;
  }
  .cs-deliverable:last-child { border-bottom: none; }
  .cs-deliverable:not(:first-child) { padding-left: 0; }
  .cs-results-grid { grid-template-columns: 1fr; }
  .cs-result {
    border-right: none;
    border-bottom: var(--ecl-border-soft);
    padding: var(--ecl-sp-3) 0;
  }
  .cs-result:first-child { padding-left: 8px; }
  .cs-result:last-child { border-bottom: none; }
  .cs-gallery { grid-template-columns: 1fr; }
  .cs-next-inner { grid-template-columns: 1fr; }
  .cs-next-preview { max-height: 240px; }
}

/* ── RESULTS on tablets + phones (2026-09-21, Rasul: "сделай как с цифрами — flex wrap center"): the four numbers are a centred row that WRAPS, like the homepage hero stats —
   each cell keeps its natural width, its label on one line, no rules; the desktop four-column grid above 900px is untouched ── */
@media (max-width: 900px) {
  .cs-results-grid { display: flex; flex-wrap: wrap; justify-content: center; align-items: flex-start; gap: var(--ecl-sp-4) var(--ecl-sp-6); }
  .cs-result, .cs-result:first-child, .cs-result:last-child { flex: 0 1 auto; padding: 0; border: none; text-align: center; }
  .cs-result .label { white-space: nowrap; }
}
@media (max-width: 600px) { .cs-results-grid { gap: var(--ecl-sp-3) var(--ecl-sp-5); } }