.case-study {
  --case-warm: #dca15f;
  --case-green: #81ba87;
  --case-ink: #0a1118;
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 52px;
  color: #607988;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.case-back:hover,
.case-back:focus-visible {
  color: var(--cyan);
  outline: none;
}

.case-hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 90px;
  background:
    radial-gradient(640px 360px at 88% 45%, rgba(220, 161, 95, 0.1), transparent 72%),
    radial-gradient(560px 340px at 70% 34%, rgba(129, 186, 135, 0.08), transparent 72%);
}

.case-hero::after {
  position: absolute;
  width: 620px;
  height: 620px;
  right: -310px;
  top: -280px;
  border: 1px solid rgba(0, 207, 219, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(0, 207, 219, 0.018);
  content: "";
  pointer-events: none;
}

.case-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(520px, 1.16fr);
  gap: 70px;
  align-items: center;
}

.case-kickers {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.case-kickers span,
.case-media-label {
  padding: 5px 9px;
  border: 1px solid var(--border-mid);
  border-radius: 999px;
  background: rgba(8, 14, 20, 0.82);
  color: #76909f;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.case-hero h1 {
  margin: 0 0 18px;
  color: #eff7fa;
  font-size: clamp(48px, 6.4vw, 84px);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.case-deck {
  max-width: 600px;
  color: #b7c8d1;
  font-size: clamp(21px, 2.2vw, 29px);
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.case-intro {
  max-width: 610px;
  margin-top: 22px;
  color: #6d8493;
  font-size: 15px;
  line-height: 1.72;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 30px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.case-meta dt,
.case-meta dd {
  font-family: var(--mono);
}

.case-meta dt {
  margin-bottom: 5px;
  color: #465f6e;
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.case-meta dd {
  color: #91a6b2;
  font-size: 11px;
}

.case-hero-media {
  position: relative;
  display: grid;
  grid-template-columns: minmax(130px, 0.46fr) minmax(0, 1.54fr);
  gap: 20px;
  align-items: center;
  padding: 38px 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background:
    linear-gradient(rgba(55, 83, 99, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(55, 83, 99, 0.1) 1px, transparent 1px),
    rgba(8, 14, 20, 0.82);
  background-size: 34px 34px;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.35);
}

.case-device {
  position: relative;
  z-index: 1;
  min-width: 0;
  margin: 0;
}

.case-device img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #2b3c49;
  background: #080d11;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.38);
}

.case-device.phone {
  width: min(100%, 180px);
  justify-self: center;
  transform: rotate(-2deg);
}

.case-device.phone img {
  aspect-ratio: 900 / 1950;
  object-fit: cover;
  border-width: 5px;
  border-color: #19242c;
  border-radius: 18px;
}

.case-device.quest {
  transform: rotate(1.3deg);
}

.case-device.quest img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
}

.case-media-label {
  position: absolute;
  z-index: 2;
  top: -13px;
  left: 10px;
  white-space: nowrap;
}

.case-device.quest .case-media-label {
  right: 10px;
  left: auto;
}

.case-hero-link {
  position: absolute;
  z-index: 2;
  width: 48px;
  height: 1px;
  left: 25.5%;
  top: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(0, 207, 219, 0.55);
}

.case-hero-link::before,
.case-hero-link::after {
  position: absolute;
  top: -3px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  content: "";
}

.case-hero-link::before { left: 0; }
.case-hero-link::after { right: 0; }

.case-section {
  padding: 96px 0;
  border-top: 1px solid var(--border);
}

.case-summary {
  background: rgba(8, 13, 18, 0.52);
}

.case-summary-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  gap: 80px;
}

.case-summary h2,
.case-section-head h2,
.case-evidence-copy h2,
.case-release h2,
.case-next h2 {
  margin: 12px 0 0;
  color: #e2edf2;
  font-size: clamp(31px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.case-prose p {
  color: #869ca8;
  font-size: 17px;
  line-height: 1.78;
}

.case-prose p + p {
  margin-top: 20px;
}

.case-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 470px);
  gap: 56px;
  align-items: end;
  margin-bottom: 42px;
}

.case-section-head > p {
  color: #6b8190;
  font-size: 15px;
  line-height: 1.72;
}

.case-section-head.compact {
  margin-bottom: 30px;
}

.case-comparison {
  background:
    radial-gradient(520px 280px at 88% 18%, rgba(220, 161, 95, 0.06), transparent 72%);
}

.case-compare-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: 18px;
  align-items: stretch;
}

.case-compare-card {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(11, 18, 25, 0.92);
}

.case-compare-media {
  display: flex;
  height: 560px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    linear-gradient(rgba(55, 83, 99, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(55, 83, 99, 0.1) 1px, transparent 1px),
    #0b1218;
  background-size: 32px 32px;
}

.case-compare-card.phone .case-compare-media {
  padding: 38px;
}

.case-compare-card.phone img {
  width: auto;
  height: 100%;
  border: 5px solid #1c2830;
  border-radius: 18px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.38);
}

.case-compare-card.quest .case-compare-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-compare-card figcaption {
  position: relative;
  display: grid;
  padding: 22px 24px;
  border-top: 1px solid var(--border);
}

.case-compare-card figcaption::before {
  position: absolute;
  width: 50px;
  height: 1px;
  top: 0;
  left: 24px;
  background: var(--cyan);
  content: "";
}

.case-compare-card figcaption span,
.case-compare-card figcaption small {
  font-family: var(--mono);
}

.case-compare-card figcaption span {
  color: #506a79;
  font-size: 9.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.case-compare-card figcaption strong {
  margin-top: 8px;
  color: #dce9ef;
  font-size: 18px;
}

.case-compare-card figcaption small {
  margin-top: 5px;
  color: #667d8b;
  font-size: 10.5px;
}

.case-video-section {
  background: rgba(7, 12, 17, 0.72);
}

.case-video-frame {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--border-mid);
  border-radius: 14px;
  background: #060a0e;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
}

.case-video-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #05080b;
}

.case-video-frame figcaption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  color: #526a79;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.case-steps {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  list-style: none;
  background: var(--border);
}

.case-steps li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 20px;
  padding: 30px;
  background: #0d161e;
}

.case-steps li + li {
  margin-top: 1px;
}

.case-step-num {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 12px;
}

.case-step-tool {
  display: block;
  margin-bottom: 9px;
  color: #577281;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-steps h3 {
  margin-bottom: 8px;
  color: #dce9ef;
  font-size: 21px;
}

.case-steps p {
  max-width: 800px;
  color: #6b8290;
  font-size: 14px;
  line-height: 1.7;
}

.case-credit {
  background:
    linear-gradient(180deg, rgba(0, 207, 219, 0.025), transparent 60%),
    rgba(8, 13, 18, 0.58);
}

.case-credit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--border);
  gap: 1px;
}

.case-credit-grid article {
  min-height: 330px;
  padding: 28px;
  background: #0d161e;
}

.case-credit-grid article > span {
  color: var(--teal);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-credit-grid h3 {
  min-height: 52px;
  margin: 30px 0 18px;
  color: #dbe9ef;
  font-size: 19px;
  line-height: 1.35;
}

.case-credit-grid ul {
  padding-left: 17px;
  color: #667d8c;
  font-size: 12.5px;
  line-height: 1.65;
}

.case-credit-grid li + li {
  margin-top: 7px;
}

.case-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.case-gallery-item {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #080d12;
}

.case-gallery-item.canvas,
.case-gallery-item.quest {
  grid-column: span 2;
}

.case-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-gallery-item.phone-menu img,
.case-gallery-item.phone-chapters img {
  object-position: center 16%;
}

.case-gallery-item figcaption {
  position: absolute;
  inset: auto 0 0;
  display: grid;
  padding: 48px 20px 18px;
  background: linear-gradient(transparent, rgba(4, 8, 12, 0.94));
}

.case-gallery-item figcaption strong {
  color: #e1ecf1;
  font-size: 15px;
}

.case-gallery-item figcaption span {
  margin-top: 4px;
  color: #7b909d;
  font-size: 11.5px;
}

.case-evidence {
  background: rgba(8, 13, 18, 0.74);
}

.case-evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.84fr);
  gap: 90px;
  align-items: center;
}

.case-evidence-copy p,
.case-release p,
.case-next p {
  max-width: 650px;
  margin-top: 22px;
  color: #718794;
  font-size: 15px;
  line-height: 1.72;
}

.case-evidence-list {
  border-top: 1px solid var(--border-mid);
}

.case-evidence-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 10.5px;
}

.case-evidence-list dt {
  color: #496170;
}

.case-evidence-list dd {
  color: #8ba1ad;
  text-align: right;
}

.case-release-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
  gap: 80px;
  align-items: center;
}

.case-release-cards {
  display: grid;
  gap: 12px;
}

.case-release-cards article {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: rgba(12, 20, 28, 0.82);
}

.case-release-cards span,
.case-release-cards small {
  font-family: var(--mono);
  font-size: 9.5px;
}

.case-release-cards span {
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.case-release-cards strong {
  color: #bacbd3;
  font-size: 13px;
  font-weight: 500;
}

.case-release-cards small {
  color: #506877;
  text-align: right;
}

.case-next {
  padding: 90px 0;
  border-top: 1px solid var(--border);
  background:
    radial-gradient(460px 220px at 20% 50%, rgba(0, 207, 219, 0.055), transparent 74%),
    #0a1118;
}

.case-next-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 60px;
  align-items: center;
}

.case-next-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

@media (max-width: 1080px) {
  .case-hero-grid {
    grid-template-columns: 1fr;
  }

  .case-hero-copy {
    max-width: 760px;
  }

  .case-hero-media {
    width: 100%;
    max-width: 850px;
  }

  .case-credit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-credit-grid article {
    min-height: 290px;
  }
}

@media (max-width: 820px) {
  .case-section {
    padding: 72px 0;
  }

  .case-summary-grid,
  .case-section-head,
  .case-evidence-grid,
  .case-release-grid,
  .case-next-inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }

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

  .case-compare-media {
    height: 500px;
  }

  .case-gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-gallery-item.canvas,
  .case-gallery-item.quest {
    grid-column: span 2;
  }

  .case-gallery-item.phone-menu,
  .case-gallery-item.phone-chapters {
    min-height: 520px;
  }

  .case-next-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .case-back {
    margin-bottom: 36px;
  }

  .case-hero {
    padding: 34px 0 58px;
  }

  .case-hero-grid {
    gap: 48px;
  }

  .case-hero h1 {
    font-size: clamp(48px, 17vw, 68px);
  }

  .case-deck {
    font-size: 20px;
  }

  .case-meta {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .case-hero-media {
    grid-template-columns: minmax(82px, 0.56fr) minmax(0, 1.44fr);
    gap: 10px;
    padding: 28px 12px;
    border-radius: 12px;
  }

  .case-media-label {
    display: none;
  }

  .case-hero-link {
    width: 24px;
    left: 27%;
  }

  .case-section {
    padding: 58px 0;
  }

  .case-summary h2,
  .case-section-head h2,
  .case-evidence-copy h2,
  .case-release h2,
  .case-next h2 {
    font-size: 33px;
  }

  .case-prose p {
    font-size: 15px;
  }

  .case-compare-media {
    height: 430px;
  }

  .case-compare-card.quest .case-compare-media {
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .case-video-frame figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .case-steps li {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 10px;
    padding: 22px 18px;
  }

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

  .case-credit-grid article {
    min-height: 0;
  }

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

  .case-gallery-item,
  .case-gallery-item.canvas,
  .case-gallery-item.quest {
    min-height: 280px;
    grid-column: auto;
  }

  .case-gallery-item.phone-menu,
  .case-gallery-item.phone-chapters {
    min-height: 480px;
  }

  .case-evidence-list div {
    grid-template-columns: 100px 1fr;
  }

  .case-release-cards article {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .case-release-cards small {
    text-align: left;
  }

  .case-next-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .case-next-actions .btn {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-device.phone,
  .case-device.quest {
    transform: none;
  }
}