/* ==========================================================================
   Case study layout (shared)
   Linked from /work/*.html case studies only. Plain CSS with the site's
   existing light and dark tokens, so no Tailwind rebuild is required.

   Generic class names:
   case-header, case-summary, case-section, case-index, case-decisions,
   case-gallery, case-note.
   ========================================================================== */

:root {
  --case-fg: #0a0a0b;
  --case-muted: rgba(10, 10, 11, 0.65);
  --case-faint: rgba(10, 10, 11, 0.62);
  --case-border: rgba(10, 10, 11, 0.1);
  --case-accent: #274db4;
  --case-accent-soft: rgba(39, 77, 180, 0.07);
  --case-surface: rgba(10, 10, 11, 0.03);
  --case-num: rgba(10, 10, 11, 0.16);
}

html.dark {
  --case-fg: #ffffff;
  --case-muted: rgba(255, 255, 255, 0.65);
  --case-faint: rgba(255, 255, 255, 0.62);
  --case-border: rgba(255, 255, 255, 0.12);
  --case-accent: #7895e2;
  --case-accent-soft: rgba(120, 149, 226, 0.12);
  --case-surface: rgba(255, 255, 255, 0.05);
  --case-num: rgba(255, 255, 255, 0.2);
}

/* Anchor jumps clear the top edge and stay calm. */
html {
  scroll-behavior: smooth;
}

.case-main {
  width: 100%;
  padding-left: 16px;
  padding-right: 16px;
}

@media (min-width: 640px) {
  .case-main {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (min-width: 1024px) {
  .case-main {
    padding-left: 32px;
    padding-right: 32px;
  }
}

.case-shell {
  margin-left: auto;
  margin-right: auto;
  max-width: 1120px;
}

/* The index only exists once there is room for it on the left. */
.case-index {
  display: none;
}

@media (min-width: 1100px) {
  .case-shell.case-layout {
    display: grid;
    grid-template-columns: 184px minmax(0, 1fr);
    column-gap: 56px;
    align-items: start;
    max-width: 1360px;
  }

  .case-index {
    display: block;
    position: sticky;
    top: 96px;
  }

  .case-content {
    max-width: 1120px;
  }
}

/* Index ------------------------------------------------------------------- */
.case-index-title {
  margin: 0 0 12px;
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--case-faint);
}

.case-index nav {
  display: flex;
  flex-direction: column;
}

.case-index a {
  display: block;
  padding: 6px 0 6px 12px;
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.4;
  color: var(--case-muted);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.case-index a:hover {
  color: var(--case-fg);
}

.case-index a.is-active {
  color: var(--case-accent);
  border-left-color: var(--case-accent);
}

/* Text primitives --------------------------------------------------------- */
.case-content {
  font-family: "Instrument Sans", ui-sans-serif, system-ui, sans-serif;
  color: var(--case-fg);
}

.case-label {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--case-faint);
}

.case-section {
  margin-top: 64px;
  scroll-margin-top: 96px;
}

@media (min-width: 768px) {
  .case-section {
    margin-top: 96px;
  }
}

.case-section h2 {
  margin: 0;
  max-width: 680px;
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: clamp(1.5rem, 1.15rem + 1.1vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--case-fg);
}

.case-prose {
  max-width: 680px;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--case-muted);
}

.case-prose + .case-prose {
  margin-top: 16px;
}

.case-note {
  max-width: 680px;
  margin-top: 24px;
  padding: 16px 20px;
  border-left: 3px solid var(--case-accent);
  border-radius: 0 8px 8px 0;
  background: var(--case-accent-soft);
  font-size: 15px;
  line-height: 1.6;
  color: var(--case-fg);
}

/* Header ------------------------------------------------------------------ */
.case-header {
  padding-top: 8px;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
}

.case-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border: 1px solid var(--case-border);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--case-muted);
}

.case-header h1 {
  margin: 0;
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: clamp(2.25rem, 1.4rem + 3.2vw, 3.75rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--case-fg);
}

.case-lede {
  max-width: 680px;
  margin: 18px 0 0;
  font-size: clamp(1rem, 0.94rem + 0.25vw, 1.125rem);
  line-height: 1.6;
  color: var(--case-muted);
}

/* Summary ----------------------------------------------------------------- */
.case-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 40px 0 0;
  border-top: 1px solid var(--case-border);
}

@media (min-width: 640px) {
  .case-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
  }
}

.case-summary-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--case-border);
}

.case-summary dt {
  font-size: 13px;
  color: var(--case-faint);
}

.case-summary dd {
  margin: 6px 0 0;
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--case-fg);
}

/* Hero -------------------------------------------------------------------- */
.case-hero {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 48px;
  border: 1px solid var(--case-border);
  border-radius: 12px;
  box-shadow: none;
}

/* Generic grids ----------------------------------------------------------- */
.case-grid-2,
.case-grid-3 {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.case-grid-3 {
  gap: 20px;
}

@media (min-width: 640px) {
  .case-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Figures ----------------------------------------------------------------- */
.case-figure {
  margin: 0;
}

.case-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--case-border);
  border-radius: 12px;
  background: var(--case-surface);
}

.case-caption {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--case-muted);
}

.case-figure-title {
  margin: 12px 0 0;
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--case-fg);
}

.case-figure .case-figure-title + .case-caption {
  margin-top: 4px;
}

/* Gallery ----------------------------------------------------------------- */
.case-gallery {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px 28px;
  margin-top: 32px;
}

@media (min-width: 768px) {
  .case-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-figure--wide,
  .case-group-label {
    grid-column: 1 / -1;
  }
}

.case-group-label {
  margin: 8px 0 0;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--case-faint);
}

/* Decisions --------------------------------------------------------------- */
.case-decisions {
  display: grid;
  gap: 40px;
  max-width: 760px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}

.case-decision {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.case-decision-num {
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--case-num);
}

.case-decision h3 {
  margin: 0;
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--case-fg);
}

.case-decision p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--case-muted);
}

.case-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 20px;
}

@media (min-width: 640px) {
  .case-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.case-compare-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--case-faint);
}

.case-compare ol {
  margin: 8px 0 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--case-muted);
}

/* Personas ---------------------------------------------------------------- */
.case-personas {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 32px;
}

@media (min-width: 768px) {
  .case-personas {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.case-persona {
  padding: 24px;
  border: 1px solid var(--case-border);
  border-radius: 16px;
}

.case-persona-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.case-avatar {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--case-accent-soft);
  color: var(--case-accent);
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.case-persona-name {
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--case-fg);
}

.case-persona-role {
  margin-top: 2px;
  font-size: 12.5px;
  color: var(--case-muted);
}

.case-pill {
  margin-left: auto;
  padding: 3px 10px;
  border: 1px solid var(--case-border);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  color: var(--case-muted);
}

.case-fig-label {
  display: block;
  margin-top: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--case-faint);
}

.case-persona p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--case-muted);
}

.case-list {
  margin: 8px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--case-muted);
}

.case-list li + li {
  margin-top: 4px;
}

.case-quote {
  margin: 20px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--case-accent);
  font-size: 14px;
  font-style: italic;
  line-height: 1.6;
  color: var(--case-muted);
}

.case-illustrative {
  display: inline-block;
  margin-top: 8px;
  font-size: 11px;
  font-style: normal;
  letter-spacing: 0.04em;
  color: var(--case-faint);
}

.case-quote .case-illustrative {
  margin-top: 6px;
}

/* Journey ----------------------------------------------------------------- */
.case-journey {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.case-journey-item {
  padding: 20px;
  border: 1px solid var(--case-border);
  border-radius: 16px;
}

.case-journey-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.case-day {
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--case-surface);
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--case-muted);
}

.case-journey-title {
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--case-fg);
}

.case-journey-time {
  margin-top: 2px;
  font-size: 12px;
  color: var(--case-faint);
}

.case-journey-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 16px;
}

@media (min-width: 640px) {
  .case-journey-cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.case-journey-cols .case-fig-label {
  margin-top: 0;
}

.case-journey-cols p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--case-muted);
}

.case-response {
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--case-accent-soft);
}

.case-response .case-fig-label {
  color: var(--case-accent);
}

/* Cards (reflection, responsive notes) ------------------------------------ */
.case-card {
  padding: 24px;
  border: 1px solid var(--case-border);
  border-radius: 16px;
}

.case-card h3 {
  margin: 0;
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--case-accent);
}

.case-card p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--case-muted);
}

/* Intent statements ------------------------------------------------------- */
.case-statements {
  display: grid;
  gap: 14px;
  max-width: 680px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.case-statements li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--case-fg);
}

.case-statements li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 4px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--case-accent);
}

/* Next project ------------------------------------------------------------ */
.case-next {
  display: block;
  margin-top: 64px;
  padding: 28px;
  border: 1px solid var(--case-border);
  border-radius: 16px;
  text-decoration: none;
  transition: border-color 0.2s ease;
}

@media (min-width: 768px) {
  .case-next {
    margin-top: 96px;
  }
}

.case-next:hover {
  border-color: var(--case-accent);
}

.case-next h3 {
  margin: 8px 0 0;
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--case-fg);
}

.case-next p {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--case-muted);
}

/* Lightbox ---------------------------------------------------------------- */
.lb-img {
  cursor: zoom-in;
}

#lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(10, 10, 11, 0.92);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

#lightbox.open {
  opacity: 1;
  pointer-events: all;
}

#lightbox img#lb-img {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: 10px;
}

#lb-close {
  position: fixed;
  top: 20px;
  right: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(240, 236, 230, 0.12);
  color: #f8f7f5;
  font-size: 20px;
  cursor: pointer;
}

/* Motion ------------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}

/* ==========================================================================
   Deakin Dental addition
   Appended for the Deakin Dental case page, which has seven information
   architecture areas. No existing rule above is changed, so numera.html
   renders exactly as before.
   ========================================================================== */

.case-ia-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  flex: 1;
  min-width: 0;
}

@media (min-width: 640px) {
  .case-ia-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .case-ia-grid {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }
}

/* ==========================================================================
   Persona disclosure and summary extras
   Appended after the HR feedback pass. No rule above is changed.
   ========================================================================== */

/* The one line summary a persona leads with stays at full contrast, above the
   folded background, goal and pain points. Wins over ".case-persona p" because
   two classes outrank a class plus an element. */
.case-persona .case-persona-need {
  color: var(--case-fg);
}

/* "Read more" disclosure that hides the long form persona detail. */
.case-more {
  margin-top: 20px;
  border-top: 1px solid var(--case-border);
}

.case-more summary {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 0;
  font-family: "DM Sans", ui-sans-serif, sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--case-accent);
  cursor: pointer;
  list-style: none;
}

.case-more summary::-webkit-details-marker {
  display: none;
}

.case-more summary::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: -3px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.case-more[open] summary::after {
  transform: rotate(-135deg);
}

.case-more summary:focus-visible {
  border-radius: 4px;
  outline: 2px solid var(--case-accent);
  outline-offset: 2px;
}

.case-more .case-fig-label:first-of-type {
  margin-top: 4px;
}

/* A summary row that spans the full width of the two column meta grid. */
.case-summary-item--wide {
  grid-column: 1 / -1;
}