/* Case study as a plain article: one reading column, images breaking out wider between paragraphs. */
.case-article main {
  --article-text: 42rem;
  --article-wide: 64rem;
  --article-gutter: max(1rem, 5vw);
  display: grid;
  grid-template-columns:
    minmax(var(--article-gutter), 1fr)
    min(var(--article-text), 100% - 2 * var(--article-gutter))
    minmax(var(--article-gutter), 1fr);
  padding-block: clamp(2.5rem, 6vw, 4.5rem) var(--space-section);
}
.case-article main > * { grid-column: 2; }
.case-article main > .article-wide {
  grid-column: 1 / -1;
  width: min(var(--article-wide), 100% - 2 * var(--article-gutter));
  margin-inline: auto;
}
/* Header */
.article-back {
  justify-self: start;
  margin-bottom: var(--space-5);
  color: var(--color-muted);
  font-size: var(--text-sm);
  text-decoration: none;
}
.article-back:hover { color: var(--color-ink); text-decoration: underline; text-underline-offset: .3em; }
.article-kicker {
  margin: 0 0 var(--space-3);
  color: var(--color-accent);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}
.case-article h1 {
  margin: 0 0 var(--space-4);
  font-size: clamp(2.25rem, 4.6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: var(--tracking-h3);
}
.article-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: var(--space-3) var(--space-4);
  margin: 0 0 var(--space-6);
  padding-block: var(--space-4);
  border-block: 1px solid var(--color-line);
}
.article-meta dt {
  margin-bottom: .25rem;
  color: var(--color-muted);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}
.article-meta dd { margin: 0; font-size: var(--text-sm); }
.article-meta .article-meta-wide { grid-column: 1 / -1; }
/* Body text */
.case-article h2 {
  margin: var(--space-7) 0 var(--space-3);
  font-size: clamp(1.625rem, 2.6vw, 2.125rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: var(--tracking-h3);
}
.case-article main > p,
.case-article main > ol,
.case-article main > ul {
  margin: 0 0 var(--space-4);
  font-size: 1.125rem;
  line-height: 1.75;
}
.case-article main > ol,
.case-article main > ul { padding-left: 1.4em; }
.case-article main > ol li,
.case-article main > ul li { margin-bottom: var(--space-1); }
.case-article main > ol li::marker { color: var(--color-accent); font-weight: 700; }
/* Figures */
.article-figure { margin: var(--space-5) 0 var(--space-6); }
.article-figure a { display: block; border-radius: var(--radius-sm); }
.article-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}
/* Very tall screenshots are shown from the top; the link opens the full image. */
.article-figure.is-tall img { max-height: 40rem; object-fit: cover; object-position: top; }
.article-figure figcaption {
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: 1.5;
}
/* Closing learning */
.article-learning {
  margin: var(--space-3) 0 0;
  padding: var(--space-5);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-accent-soft);
}
.article-learning p { margin: 0 0 var(--space-2); font-size: 1.125rem; line-height: 1.7; }
.article-learning p:last-child { margin-bottom: 0; }
/* Next project */
.article-next {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-8);
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-line);
  color: inherit;
  text-decoration: none;
}
.article-next small { display: block; color: var(--color-muted); font-size: var(--text-sm); }
.article-next strong { font-family: var(--font-display); font-size: var(--text-h3); }
.article-next:hover strong { text-decoration: underline; text-underline-offset: .2em; }
@media (max-width: 600px) {
  .case-article main > p,
.case-article main > ol,
.case-article main > ul { font-size: 1.0625rem; }
}
/* Row of separate images, e.g. design iterations */
.article-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin: var(--space-5) auto var(--space-6);
}
.article-gallery .article-figure { margin: 0; }
@media (max-width: 700px) {
  .article-gallery { grid-template-columns: 1fr; gap: var(--space-4); }
}
/* Two-column gallery, e.g. current site vs proposal */
.article-gallery.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 700px) {
  .article-gallery.cols-2 { grid-template-columns: 1fr; }
}
/* Subheading inside a section */
.case-article main > h3 {
  margin: var(--space-5) 0 var(--space-2);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
}
/* Animated demo with play/stop button (driven by portfolio-demo.js) */
.article-demo-toggle {
  margin-top: var(--space-2);
  padding: .45rem .9rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: var(--text-sm);
  cursor: pointer;
}
.article-demo-toggle:hover { border-color: var(--color-accent); }
/* Summary box at the top of a case */
.article-summary {
  margin: 0 0 var(--space-6);
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}
.article-summary .article-summary-title {
  margin: 0 0 var(--space-3);
  color: var(--color-accent);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}
.article-summary p { margin: 0 0 var(--space-2); line-height: 1.65; }
.article-summary p:last-child { margin-bottom: 0; }
/* Short highlighted point inside the story */
.article-callout {
  margin: var(--space-4) 0 var(--space-5);
  padding: var(--space-4) var(--space-5);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-accent-soft);
}
.article-callout p { margin: 0; line-height: 1.65; }
/* Client quote */
.article-quote {
  margin: var(--space-5) 0;
  padding: 0 0 0 var(--space-4);
  border-left: 3px solid var(--color-accent);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  line-height: 1.4;
}
.article-quote p { margin: 0; }
.article-learning ol { margin: 0; padding-left: 1.4em; }
.article-learning li { margin-bottom: var(--space-2); font-size: 1.0625rem; line-height: 1.7; }
.article-learning li:last-child { margin-bottom: 0; }
.article-learning li::marker { color: var(--color-accent); font-weight: 700; }
/* Collapsible summary (driven by article-summary.js; fully open without JS) */
.article-summary.is-collapsible { position: relative; overflow: hidden; }
.article-summary.is-collapsed { max-height: 15.5rem; }
.article-summary.is-collapsed::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 7rem;
  background: linear-gradient(to bottom, rgba(255, 253, 249, 0), var(--color-surface) 70%);
  pointer-events: none;
}
.article-summary-toggle { display: block; margin: var(--space-3) auto 0; }
.article-summary.is-collapsed .article-summary-toggle {
  position: absolute;
  z-index: 1;
  left: 50%;
  bottom: var(--space-4);
  margin: 0;
  transform: translateX(-50%);
}
.article-summary-toggle .when-closed::after { content: " ↓"; }
.article-summary-toggle .when-open::after { content: " ↑"; }
.article-summary-toggle[aria-expanded="false"] .when-open,
.article-summary-toggle[aria-expanded="true"] .when-closed { display: none; }
/* Journey: a vertical timeline with year, role and a short story per step; the current step is filled. */
.case-article main > ol.journey {list-style:none;padding:0;margin:var(--space-2) 0 var(--space-5)}
.case-article main > ol.journey li {position:relative;margin:0;padding:0 0 var(--space-5) 2.25rem}
.case-article main > ol.journey li:last-child {padding-bottom:0}
.case-article main > ol.journey li::before {content:"";position:absolute;left:0;top:.3rem;width:.875rem;height:.875rem;border:2px solid var(--color-accent);border-radius:50%;background:var(--paper, #fff);box-sizing:border-box}
.case-article main > ol.journey li::after {content:"";position:absolute;left:calc(.4375rem - 1px);top:1.35rem;bottom:.15rem;width:2px;background:var(--color-line)}
.case-article main > ol.journey li:last-child::after {display:none}
.case-article main > ol.journey li.is-now::before {background:var(--color-accent);box-shadow:0 0 0 4px var(--color-accent-soft)}
.journey-year {color:var(--color-accent);font-size:var(--text-sm);font-weight:700;letter-spacing:.02em}
.case-article main > ol.journey h3 {margin:.2rem 0 0;font-size:1.1875rem;font-weight:700;line-height:1.3}
.journey-now {display:inline-block;margin-left:.5rem;padding:.15rem .55rem;border-radius:var(--radius-pill);background:var(--color-accent-soft);color:var(--color-accent);font-size:var(--text-label);font-weight:700;letter-spacing:var(--tracking-label);text-transform:uppercase;vertical-align:.2em}
.case-article main > ol.journey p {margin:.35rem 0 0;color:var(--color-muted);line-height:1.65}