/*
  CASE STUDIES — EDITABLE CSS

  Shared colors, fonts and the footer are in style.css.
  Each section below has its own tablet/mobile rules immediately after it.
*/

/* 01. BACK LINK AND PROJECT INTRODUCTION ------------------------------- */
.case-topbar {
  padding-top: clamp(22px, 3.5vw, 56px);
}

.case-intro {
  padding-top: clamp(75px, 10vh, 160px);
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: Inter, Arial, sans-serif;
  font-size: clamp(13px, 0.9vw, 18px);
  font-weight: 500;
  text-decoration: none;
}

.case-back span {
  transition: transform 0.3s ease;
}

.case-back:hover span,
.case-back:focus-visible span {
  transform: translateX(-5px);
}

.case-back:hover,
.case-back:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.case-kicker {
  margin: clamp(85px, 11vh, 180px) 0 20px;
  font-family: Inter, Arial, sans-serif;
  font-size: clamp(13px, 0.9vw, 18px);
  font-weight: 500;
}

.case-intro h1 {
  margin: 0;
  font-family: "Clash Display", Arial, sans-serif;
  font-size: clamp(80px, calc(6vw + 21px), 280px);
  font-weight: 500;
  line-height: 1.06;
  /* letter-spacing: -0.07em; */
}

.case-deck {
  max-width: 900px;
  margin: clamp(50px, 6vw, 110px) 0 clamp(75px, 9vw, 165px);
  font-family: Inter, Arial, sans-serif;
  font-size: clamp(22px, 2.3vw, 48px);
  font-weight: 300;
  line-height: 1.22;
  /* letter-spacing: -0.03em; */
}

@media (max-width: 600px) {
  .case-intro {
    padding-top: 80px;
  }

  .case-kicker {
    margin-top: 75px;
  }

  .case-intro h1 {
    font-size: clamp(39px, 10vw, 58px);
  }

  .case-deck {
    margin-block: 42px 70px;
  }
}

/* 02. PROJECT OVERVIEW AND FACTS --------------------------------------- */
.case-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(25px, 4vw, 80px);
  margin: 0;
  padding-block: clamp(22px, 2.5vw, 45px);
  border-top: 1px solid #d8dadd;
  border-bottom: 1px solid #d8dadd;
  font-family: Inter, Arial, sans-serif;
}

.case-meta div {
  min-width: 0;
}

.case-meta dt {
  margin-bottom: 10px;
  color: #898b8e;
  font-size: clamp(12px, 0.85vw, 16px);
}

.case-meta dd {
  margin: 0;
  font-size: clamp(15px, 1.25vw, 24px);
  font-weight: 500;
  line-height: 1.25;
}

.case-overview {
  display: grid;
  grid-template-columns: 27% minmax(0, 1fr);
  gap: clamp(25px, 4vw, 80px);
  padding-top: clamp(100px, 11vw, 210px);
  padding-bottom: clamp(130px, 15vw, 280px);
}

.case-overview h2 {
  margin: 0;
  font-family: "Clash Display", Arial, sans-serif;
  font-size: clamp(30px, 2.7vw, 58px);
  font-weight: 300;
  line-height: 1.1;
  /* letter-spacing: -0.05em; */
}

.case-overview-content > p {
  max-width: 1150px;
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  font-size: clamp(20px, 2.2vw, 46px);
  font-weight: 300;
  line-height: 1.22;
  /* letter-spacing: -0.035em; */
}

.case-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 60px);
  margin-top: clamp(90px, 10vw, 190px);
}

.case-summary > div {
  padding-top: 18px;
  border-top: 1px solid #d8dadd;
}

.case-summary span {
  color: #888b8f;
  font-family: Inter, Arial, sans-serif;
  font-size: clamp(12px, 0.85vw, 16px);
}

.case-summary p {
  max-width: 380px;
  margin: 25px 0 0;
  font-family: Inter, Arial, sans-serif;
  font-size: clamp(16px, 1.15vw, 23px);
  line-height: 1.32;
}

@media (max-width: 850px) {
  .case-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 32px;
  }

  .case-overview {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 600px) {
  .case-meta {
    gap: 25px 18px;
  }

  .case-overview {
    padding-block: 95px 120px;
  }

  .case-summary {
    grid-template-columns: 1fr;
    gap: 35px;
    margin-top: 75px;
  }

  .case-summary p {
    margin-top: 15px;
  }
}

/* 03. SCREENSHOT SEQUENCE AND SNAPSHOTS -------------------------------- */
.case-screens-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: clamp(40px, 5vw, 90px);
}

.case-screens-heading h2 {
  margin: 0;
  font-family: "Clash Display", Arial, sans-serif;
  font-size: clamp(40px, 4vw, 90px);
  font-weight: 300;
  line-height: 1.05;
  /* letter-spacing: -0.06em; */
}

.case-screens-heading p {
  margin: 0;
  color: #838589;
  font-family: Inter, Arial, sans-serif;
  font-size: clamp(15px, 1.1vw, 22px);
}

.case-screens {
  display: grid;
  gap: clamp(5px, 0.55vw, 10px);
}

.case-shot {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: #e9eaec;
}

.case-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.case-shot:hover img {
  transform: scale(1.018);
}

.case-shot--wide {
  margin-inline: clamp(5px, 0.55vw, 10px);
}

.case-shot--wide img {
  aspect-ratio: 16 / 9;
}

.case-shot--pair img {
  aspect-ratio: 9 / 8;
}

.case-screen-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(5px, 0.55vw, 10px);
  padding-inline: clamp(5px, 0.55vw, 10px);
}

.case-shot figcaption {
  padding: 12px 2px 22px;
  background: var(--paper);
  color: #77797d;
  font-family: Inter, Arial, sans-serif;
  font-size: clamp(12px, 0.85vw, 16px);
}

/* Other selected works share the same case-study typography and image layout. */
.case-snapshot {
  padding-top: clamp(110px, 12vw, 220px);
}

@media (max-width: 600px) {
  .case-screens-heading {
    display: block;
  }

  .case-screens-heading p {
    margin-top: 15px;
  }

  .case-screen-pair {
    grid-template-columns: 1fr;
  }
}

/* 04. REDUCED MOTION --------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .case-shot img {
    transition: none;
  }
}