/* =====================================
   THE KELSEY GRANT CASE STUDY
====================================== */

.kelsey .case-study {
  --kelsey-purple: #593091;
  --kelsey-purple-dark: #2e174a;
  --kelsey-teal: #22b7b7;
  --kelsey-teal-text: #067073;
  --kelsey-teal-pale: #dff5f2;
  --kelsey-lilac: #eee7f6;
  --kelsey-cream: #f8f6f1;
  --kelsey-ink: #1c1722;
}

.kelsey-case-hero h1,
.kelsey-overview h2,
.kelsey-responsive h2,
.kelsey-cms h2,
.kelsey-details h2,
.kelsey-outcome h2 {
  color: var(--kelsey-purple-dark);
}

.kelsey-case-hero h1 {
  max-width: 13ch;
}

/* =====================================
   SHARED TYPOGRAPHY
====================================== */

.kelsey-overview h2,
.kelsey-feature-heading h2,
.kelsey-responsive h2,
.kelsey-section-intro h2,
.kelsey-cms h2,
.kelsey-details h2,
.kelsey-outcome h2 {
  margin: 0.65rem 0 1.5rem;
  font: 600 clamp(2.25rem, 4.5vw, 4.75rem) / 1 var(--display);
  letter-spacing: -0.045em;
}

.kelsey-copy .lead {
  margin-top: 0;
  font: 500 clamp(1.3rem, 2vw, 2rem) / 1.25 var(--display);
}

/* =====================================
   HERO IMAGE
====================================== */

.kelsey-hero-visual {
  margin: 0;
  overflow: hidden;
  background: var(--kelsey-lilac);
}

.kelsey-hero-visual img,
.kelsey-mockup,
.kelsey-device-card img {
  display: block;
  width: 100%;
  height: auto;
}

/* Enlarge supplied mockups without changing the image files. */
.kelsey-hero-visual img,
.kelsey-mockup--desktop,
.kelsey-showcase-grid img,
.kelsey-cms-mockup img {
  transform: scale(1.45);
  transform-origin: center;
}

.kelsey-hero-visual figcaption,
.kelsey-image-caption,
.kelsey-showcase-grid figcaption,
.kelsey-cms-mockup figcaption {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kelsey-hero-visual figcaption {
  position: relative;
  z-index: 2;
  padding: 0.9rem max(4vw, 1rem);
  background: var(--kelsey-cream);
}

.kelsey-image-caption {
  position: relative;
  z-index: 2;
  margin-top: 0;
  padding-block: 0.9rem;
}

/* =====================================
   CHALLENGE AND APPROACH
====================================== */

.kelsey-overview,
.kelsey-outcome {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8%;
  padding-block: 9rem;
}

/* =====================================
   DESKTOP FEATURE
====================================== */

.kelsey-feature {
  overflow: hidden;
  padding: 8rem 0 0;
}

.kelsey-feature--purple {
  background: var(--kelsey-purple-dark);
  color: white;
}

.kelsey-feature-heading {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: end;
  gap: 8%;
  padding-bottom: 3rem;
}

.kelsey-feature-heading h2 {
  color: white;
}

.kelsey-feature-media {
  width: min(90rem, 92vw);
  aspect-ratio: 3 / 2;
  margin-inline: auto;
  overflow: hidden;
  border-radius: 1.5rem;
}

.kelsey-mockup--desktop {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: none;
}

/* =====================================
   RESPONSIVE PAGE MOCKUPS
====================================== */

.kelsey-responsive {
  padding-block: 9rem;
}

.kelsey-responsive-copy {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  align-items: end;
  gap: 5rem;
  padding-bottom: 4rem;
}

.kelsey-showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.kelsey-showcase-grid figure {
  margin: 0;
  overflow: hidden;
  border-radius: 1.25rem;
}

.kelsey-showcase-grid img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 1.25rem;
}

.kelsey-showcase-grid figcaption {
  position: relative;
  z-index: 1;
  padding-top: 0.8rem;
  background: var(--kelsey-cream);
}

/* =====================================
   MOTION PREVIEW
====================================== */

.kelsey-motion {
  padding-block: 8rem;
  background: var(--kelsey-teal-pale);
}

.kelsey-section-intro {
  display: grid;
  grid-template-columns: 0.45fr 1fr 0.75fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.kelsey-section-intro h2 {
  margin-top: 0;
  color: var(--kelsey-purple-dark);
}

.kelsey-motion video {
  display: block;
  width: min(90rem, 92vw);
  max-height: 82vh;
  margin-inline: auto;
  border-radius: 1.5rem;
  background: var(--kelsey-purple-dark);
  object-fit: contain;
  box-shadow: 0 2rem 5rem rgb(46 23 74 / 18%);
}

/* =====================================
   CMS WORKFLOW
====================================== */

.kelsey-cms {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 8%;
  padding-block: 9rem;
}

.kelsey-cms-mockup {
  grid-column: 1 / -1;
  margin: 1rem 0 3rem;
  overflow: hidden;
  border-radius: 1.5rem;
}

.kelsey-cms-mockup img {
  display: block;
  width: 100%;
  border-radius: 1.5rem;
}

.kelsey-cms-mockup figcaption {
  position: relative;
  z-index: 1;
  padding-top: 0.8rem;
  background: var(--kelsey-cream);
}

.kelsey-workflow {
  display: grid;
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  padding: 0;
  list-style: none;
}

.kelsey-workflow li {
  position: relative;
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  padding: 1.25rem 0;
  border-top: 1px solid var(--kelsey-purple-dark);
}

.kelsey-workflow li:last-child {
  border-bottom: 1px solid var(--kelsey-purple-dark);
}

.kelsey-workflow span {
  grid-row: 1 / 3;
  color: var(--kelsey-teal-text);
  font: 700 0.75rem var(--display);
}

.kelsey-workflow strong {
  color: var(--kelsey-purple-dark);
  font: 600 1.2rem var(--display);
}

.kelsey-workflow small {
  margin-top: 0.2rem;
  color: var(--kelsey-ink);
}

/* =====================================
   PROCESS
====================================== */

.kelsey-process {
  padding-block: 8rem;
  background: var(--kelsey-lilac);
}

.kelsey-process-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--kelsey-purple-dark);
  border-left: 1px solid var(--kelsey-purple-dark);
  list-style: none;
}

.kelsey-process-list li {
  min-height: 13rem;
  padding: 1.5rem;
  border-right: 1px solid var(--kelsey-purple-dark);
  border-bottom: 1px solid var(--kelsey-purple-dark);
}

.kelsey-process-list span {
  color: var(--kelsey-teal-text);
  font: 700 0.75rem var(--display);
}

.kelsey-process-list p {
  max-width: 22rem;
  margin-top: 3.5rem;
  font: 500 1.2rem / 1.3 var(--display);
}

/* =====================================
   ACCESSIBILITY AND TECHNOLOGY
====================================== */

.kelsey-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8%;
  padding-block: 9rem;
}

.kelsey-details ul {
  margin: 0;
  padding-left: 1.2rem;
}

.kelsey-details li + li {
  margin-top: 0.65rem;
}

.kelsey-disclosure {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid currentColor;
  font-size: 0.9rem;
}

/* =====================================
   OUTCOME
====================================== */

.kelsey-outcome {
  border-top: 1px solid currentColor;
}

/* =====================================
   REVEAL MOTION
====================================== */

.kelsey-reveal {
  opacity: 0;
  transform: translateY(2.5rem);
  transition:
    opacity 0.8s ease,
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.kelsey-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* =====================================
   TABLET LAYOUT
====================================== */

@media (max-width: 900px) {
  .kelsey-overview,
  .kelsey-outcome,
  .kelsey-feature-heading,
  .kelsey-cms,
  .kelsey-details {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .kelsey-overview,
  .kelsey-outcome,
  .kelsey-cms,
  .kelsey-details {
    padding-block: 6rem;
  }

  .kelsey-responsive {
    padding-block: 6rem;
  }

  .kelsey-responsive-copy {
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 42rem;
  }

  .kelsey-workflow {
    grid-column: auto;
    grid-row: auto;
  }

  .kelsey-section-intro {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .kelsey-process-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =====================================
   MOBILE LAYOUT
====================================== */

@media (max-width: 600px) {
  .kelsey-feature,
  .kelsey-motion,
  .kelsey-process {
    padding-block: 5rem;
  }

  .kelsey-feature {
    padding-bottom: 0;
  }

  .kelsey-feature-heading {
    padding-bottom: 2rem;
  }

  .kelsey-feature-media {
    width: calc(100% - 2rem);
    border-radius: 0.8rem;
  }

  .kelsey-showcase-grid {
    grid-template-columns: 1fr;
  }

  .kelsey-motion video {
    width: calc(100% - 2rem);
    border-radius: 0.8rem;
  }

  .kelsey-process-list {
    grid-template-columns: 1fr;
  }

  .kelsey-process-list li {
    min-height: 10rem;
  }

  .kelsey-process-list p {
    margin-top: 2rem;
  }
}

/* =====================================
   REDUCED MOTION
====================================== */

@media (prefers-reduced-motion: reduce) {
  .kelsey-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}