/* ═══════════════════════════════════════════════════════════
   case-study.css  —  shared layout for all /work/* pages
   Loaded alongside styles.css (global nav/footer/typography).
   ═══════════════════════════════════════════════════════════ */

/* ─── Page chrome ───────────────────────────────────────── */
/* First section clears the fixed nav (~105 px tall) */
.cs-overview-section {
  margin-top: 82px;
}

/* ─── Project overview header ───────────────────────────── */
/* Row 1: title (full width)                                 */
/* Row 2: problem/solution (2fr) | role (1fr)               */
.project-overview {
  display: grid;
  grid-template-columns: 2fr 1fr;
  column-gap: 50px;
  row-gap: 40px;
  margin-top: 120px;
  margin-bottom: 135px;
}

/* Title + client bar spans both columns */
.project-overview > div:first-child {
  grid-column: 1 / -1;
}

/* ─── Hero image ────────────────────────────────────────── */
.section-hero {
  margin: 82px 0 0;
}

.detail-header-image {
  display: block;
  width: 100%;
}

/* ─── Content wrappers ──────────────────────────────────── */
/* Matches Webflow's .container-3 (gray band inner) */
.container-3 {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-top: 15px;
  padding-left: 48px;
  padding-right: 48px;
}

/* Matches Webflow's .container-4 (white band inner) */
.container-4 {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 10px;
  padding-bottom: 60px;
  padding-left: 48px;
  padding-right: 48px;
}

/* ─── Alternating section bands ─────────────────────────── */
.section-gray {
  background: #f8f8f8;
  padding-bottom: 60px;
}

.section-mod {
  margin: 0 0 40px;
}

/* ─── Label + content two-column layout ─────────────────── */
/* Used for Background, Design Explorations, Reflections     */
.label-content-grid {
  display: grid;
  grid-template-columns: 1fr 4fr;
  column-gap: 50px;
  margin-top: 60px;
  margin-bottom: 60px;
}

/* ─── Section titles & labels ───────────────────────────── */
.work-section-title {
  text-align: left;
  font-size: 30px;
  font-weight: 600;
  line-height: 39px;
  margin: 0;
}

.position-name-text {
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  line-height: 34px;
  margin: 20px 0 0;
}

.position-name-text:first-child {
  margin-top: 0;
}

.subsection-heading-full-width {
  text-align: left;
  font-size: 26px;
  font-weight: 400;
  line-height: 1.3;
  margin: 20px 0 10px;
}

.caption {
  text-align: left;
  font-size: 12px;
  font-weight: 300;
  line-height: 1.6;
  color: #333;
  margin: 8px 0;
}

.small-textblock-description {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.75;
  padding: 0 40px;
}

.role-description {
  opacity: 0.6;
  text-align: left;
  font-style: italic;
  font-weight: 400;
  margin-top: 8px;
  margin-bottom: 0;
}

/* ─── Client bar (name + logo inline) ───────────────────── */
.client-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  font-size: 14px;
}

.client-logo {
  max-height: 2rem;
  width: auto;
  display: block;
}

/* ─── Lists ─────────────────────────────────────────────── */
.list-3,
.numbered-list {
  color: #1a1b1f;
  margin: 12px 0 16px;
  padding-left: 2.2em;
  font-weight: 400;
}

.list-3 li,
.numbered-list li {
  margin-bottom: 6px;
  line-height: 24px;
}

/* ─── Requirements callout box ──────────────────────────── */
.requirements-box {
  background: #f8f8f8;
  margin-top: 40px;
  padding: 10px 0 35px;
}

.req-item-label {
  padding: 25px 40px 0;
  margin: 0;
}

.req-item-desc {
  padding: 6px 40px 0;
  font-weight: 300;
  line-height: 24px;
  margin: 0;
  opacity: 0.7;
}

/* ─── Stats strip (used in RNA-Seq overview) ────────────── */
.stat-strip {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 40px;
  border-top: 1px solid #e8e8e8;
}

.stat-strip-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.stat-strip-items {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  align-items: baseline;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-size: 36px;
  font-weight: 300;
  color: #1a1b1f;
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  font-weight: 300;
  color: #777;
  line-height: 1.4;
  max-width: 140px;
}

/* ─── Image / GIF placeholder ───────────────────────────── */
.img-placeholder {
  background: #f0f0f0;
  border: 1px dashed #ccc;
  border-radius: 2px;
  padding: 48px 32px;
  text-align: center;
  color: #999;
  font-size: 13px;
  font-weight: 300;
  font-style: italic;
}

.img-placeholder p {
  margin: 0;
}

/* ─── Utility spacing ───────────────────────────────────── */
.content-block {
  margin-top: 20px;
  margin-bottom: 20px;
}

.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }

/* ─── Full-width case study image ───────────────────────── */
.case-img {
  display: block;
  width: 100%;
  margin: 20px auto;
}

.case-img-half {
  width: 50%;
}

@media screen and (max-width: 991px) {
  .case-img-half {
    width: 100%;
  }
}

.case-img-centered {
  display: block;
  max-width: 100%;
  margin: 20px auto;
}

/* ─── Results: intro text + image side by side ──────────── */
.results-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 48px;
  align-items: start;
  margin: 30px 0;
}

/* ─── Design exploration block ──────────────────────────── */
.exploration-block {
  margin-bottom: 50px;
}

/* ─── Aside / callout block ─────────────────────────────── */
.aside-block {
  background: #f8f8f8;
  padding: 40px 56px;
  margin-bottom: 50px;
}

/* ─── GIF demo grid (gif | description, repeated) ──────── */
.gif-grid {
  display: grid;
  grid-template-columns: 0.75fr 1fr;
  column-gap: 40px;
  row-gap: 71px;
  align-items: start;
  margin-top: 60px;
  margin-bottom: 60px;
}

.gif-grid img,
.gif-grid video {
  display: block;
  max-height: 40rem;
  width: auto;
  max-width: 100%;
}

.gif-desc {
  padding-top: 16px;
}

/* ─── Flow images: 3 equal columns ─────────────────────── */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 16px;
  margin-bottom: 12px;
}

.flow-grid img {
  display: block;
  width: 100%;
}

/* ─── Before / After comparison layout ─────────────────── */
.before-after-grid {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 24px 0;
}

.before-after-item {
  flex: 1;
  min-width: 0;
}

.before-after-arrow {
  flex-shrink: 0;
  width: 32px;
  opacity: 0.5;
}

/* ─── Image drop shadow ─────────────────────────────────── */
.img-shadow {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* ─── Image lightbox ────────────────────────────────────── */
/* Applied to any image that should be click-to-expand      */
.zoomable {
  cursor: zoom-in;
}

/* Always flex; toggled via opacity + pointer-events so     */
/* CSS transitions work on both open and close.             */
.lightbox-overlay {
  display: flex;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 999;
  cursor: zoom-out;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.lightbox-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Image + caption scale together as one unit */
.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  max-width: 90vw;
  transform: scale(0.88);
  transition: transform 0.25s ease;
}

.lightbox-overlay.open .lightbox-content {
  transform: scale(1);
}

.lightbox-img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  box-shadow: 0 8px 60px rgba(0, 0, 0, 0.25);
}

.lightbox-caption {
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  font-weight: 300;
  line-height: 1.6;
  text-align: center;
  max-width: 560px;
  margin: 0;
}

/* ═══ Responsive ═══════════════════════════════════════════ */

/* Tablet (≤991px) */
@media screen and (max-width: 991px) {
  .container-3,
  .container-4 {
    padding-left: 24px;
    padding-right: 24px;
  }

  .project-overview {
    grid-template-columns: 1fr;
    width: 70%;
    margin-left: auto;
    margin-right: auto;
    row-gap: 50px;
    margin-top: 90px;
    margin-bottom: 95px;
  }

  .label-content-grid {
    grid-template-columns: 1fr;
    row-gap: 24px;
  }

  .results-intro-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile (≤767px) */
@media screen and (max-width: 767px) {
  .container-3,
  .container-4 {
    padding-left: 15px;
    padding-right: 15px;
  }

  .section-hero,
  .section-mod {
    margin-left: 15px;
    margin-right: 15px;
  }

  .project-overview {
    width: 80%;
    max-width: 470px;
  }

  .work-section-title {
    margin-right: 15px;
  }

  .gif-grid {
    grid-template-columns: 1fr;
    row-gap: 40px;
  }

  .flow-grid {
    grid-template-columns: 1fr;
    row-gap: 12px;
  }

  .before-after-grid {
    flex-direction: column;
    gap: 12px;
  }

  .before-after-arrow {
    transform: rotate(90deg);
  }
}

/* Small mobile (≤479px) */
@media screen and (max-width: 479px) {
  .project-overview {
    width: 100%;
    max-width: none;
  }

  .detail-header-image {
    margin-left: auto;
  }
}