/* GLOBAL */
body {
  margin: 0;
  font-family: sans-serif;
  background: #FDF5EB;
  color: #222;
}

main {
  padding-bottom: 100px;
}

/* ==========================
PROJECT INTRO
========================== */

.projectIntro {
    max-width: 1400px;
    margin: 80px auto;
    padding: 0 90px;
}

.projectIntro.MetroIntro {
  --project-color: #0c36aa;
  --project-color-light: rgba(0, 54, 201, 0.592);
}
.projectIntro.JournalIntro {
  --project-color: #bb0baf;
  --project-color-light: rgba(218, 12, 207, 0.592);
}
.projectIntro.DataIntro {
  --project-color: #0d72d0;
  --project-color-light: rgba(13, 125, 216, 0.592);
}


/* sentence */

.projectSentence {
    text-align: center;
    font-size: 36px;
    line-height:1.5;
    max-width: 900px;
    margin: 0 auto 40px auto;
}

/* divider */

.introDivider {
    border: none;
    height: 2px;
    margin: 35px 0;
     background: var(--project-color-light);
}

/* ==========================
META INFO
========================== */

.projectMeta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.metaItem {
    flex: 1;
}

.metaItem h4 {
    margin-bottom: 8px;
   color: var(--project-color);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.metaItem p {
    margin: 0;
    font-size: 18px;
}

/* ==========================
CONTEXT AREA
========================== */

.contextSection {
    display: flex;
    gap: 40px;
    align-items: stretch;
    text-align:left;
}

/* left side */

.contextBox {
    flex: 1;
     border: 2px solid var(--project-color);
    border-radius: 6px;
    padding: 30px;
}

.contextBox h3 {
    margin-top: 0;
    margin-bottom: 15px;
}

.contextBox p {
    line-height: 1.8;
}

/* right side */

.summaryBoxes {
    flex: 1.2;
    text-align:left;
    display: flex;
    flex-direction: column;
}

.summaryCard {
    flex: 1;
     border: 2px solid var(--project-color);
    border-radius: 4px;

    padding: 20px;
    margin:12px;
}

.summaryCard h4 {
    margin-top: 0;
    margin-bottom: 10px;

    color: var(--project-color);
}

.summaryCard p {
    margin: 0;
    line-height: 1.6;
}

/* TITLES */
.cs-title {
  font-size: 40px;
  margin-bottom: 20px;
  text-align: left;
}
.cs-title1 {
  font-size: 40px;
  margin-bottom: 20px;
  text-align: left;
  padding-left:75px;
}

/* TEXT */
.cs-text {
  font-size: 16px;
  line-height: 1.6;
  margin-top: 20px;
  text-align: left;
   background: rgba(0, 0, 0, 0.039);
  border: 1px solid rgba(0, 0, 0, 0.1);
   padding: 14px 16px;
  border-radius: 2px;
}
.cs-text-clean {
  font-size: 16px;
  line-height: 1.6;
  margin-top: 20px;
  text-align: left;
  
}

.threeImageGallery {
    display: flex;
    gap: 12px;

    max-width: 1400px;
    padding: 0 90px;

    margin: 40px auto 80px;
    box-sizing: border-box;
}
.threeImageGallery img {
    flex: 1 1 0;
    min-width: 0;

    height: 320px;
    object-fit: cover;

    display: block;
    object-fit: cover;
    border-radius: 2px;

    cursor: pointer;
    transition: 0.25s ease;
}

.threeImageGallery img:hover {
    transform: scale(1.02);
}

/* =========================
   WIDE IMAGE SECTION
========================= */
.cs-wide {
  max-width: 1200px;
  margin: 80px auto;
  padding: 0 90px;
}

.cs-wide img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
  cursor: zoom-in;
  transition: transform 0.2s ease;
}

.cs-wide video {
  width: 100%;
  max-width: 1200px;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 2px;
}

.cs-wide img:hover {
  transform: scale(1.01);
}

.experimentGrid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 25px;
}

.experimentCard h4 {
    margin: 0 0 8px;
}

.experimentCard p {
    margin: 0;
    line-height: 1.6;
    font-size: 15px;
}

/* =========================
   SPLIT SECTION (1/3 vs 2/3 feel)
========================= */
.cs-split {
  display: flex;
  gap: 60px;
  max-width: 1200px;
  margin: 80px auto;
  padding: 0 90px;
  align-items: flex-start;
}

.cs-split-text {
  flex: 1;
  background: rgba(0, 0, 0, 0.039);
  border: 1px solid rgba(0, 0, 0, 0.1);
   padding: 14px 16px;
  border-radius: 2px;
  font-size: 15px;
  line-height: 1.6;
  text-align:left;
}
.cs-split-text-clean {
  flex: 1;
  font-size: 15px;
  line-height: 1.6;
  text-align:left;
}

.cs-split-image {
  flex: 1.5;
}

.cs-split-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
  cursor: zoom-in;
}

/* =========================
CASE STUDY FLEX BLOCK
========================= */

.caseFlexBlock {
  display: flex;
  gap: 40px;
  max-width: 1400px;
  margin: 60px auto;
  padding: 0 80px;
  align-items: flex-start;
}

/* each side */
.caseColumn {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

/* images */
.caseImage img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.25s ease;
}

.caseImage img:hover {
  transform: scale(1.02);
}

/* text box under image */
.caseText {
  background: rgba(0, 0, 0, 0.039);
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 14px 16px;
  border-radius: 2px;
  font-size: 15px;
  line-height: 1.6;
  text-align:left;
}

/* =========================
FULL WIDTH IMAGE BLOCK
========================= */

.caseFullImage {
  max-width: 1400px;
  margin: 60px auto;
  padding: 0 80px;
}

.caseFullImage img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.25s ease;
}

.caseFullImage img:hover {
  transform: scale(1.01);
}

.look img{
  transition: 0.25s ease;
}

.look img:hover {
    transform: scale(1.02);
}

/* =========================
RESPONSIVE
========================= */

@media (max-width: 900px) {

    .projectIntro {
        padding: 0 20px;
    }

    .projectMeta {
        flex-direction: column;
        gap: 20px;
    }

    .contextSection {
        flex-direction: column;
    }

    .threeImageGallery {
    flex-direction: column;
}

.threeImageGallery img {
    height: auto;
}

}

@media (max-width: 900px) {
  .caseFlexBlock {
    flex-direction: column;
    padding: 0 20px;
  }
}

@media (max-width: 900px) {
    .experimentGrid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {

  .cs-wide,
  .cs-split {
    padding: 0 25px;
  }

  .cs-split {
    flex-direction: column;
    gap: 30px;
  }
}

/* =========================
   LIGHTBOX (ZOOM POPUP)
========================= */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 40px;
}

.lightbox.show {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 80vh;
  border-radius: 6px;
}

.lightbox-caption {
  color: white;
  margin-top: 15px;
  font-size: 14px;
  opacity: 0.8;
  text-align: center;
}

.close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 30px;
  color: white;
  cursor: pointer;
}