.case-page {
  max-width: 1060px;
  padding-top: 28px;
  padding-bottom: 64px;
}
.back-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
  font-size: 14px;
}
.case-intro {
  padding: 32px 0 40px;
}
.case-intro h1 {
  font-size: clamp(34px, 4.7vw, 56px);
  line-height: 1.4;
  margin: 16px 0 23px;
  letter-spacing: 0;
}
.case-subtitle {
  display: block;
  color: var(--muted);
  font-size: 0.48em;
  font-weight: 400;
  margin-top: 10px;
}
.case-lead {
  max-width: 780px;
  font-size: 19px;
  color: #c4cedd;
  line-height: 1.95;
}
.case-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin: 30px 0 0;
  padding-top: 23px;
  border-top: 1px solid var(--line);
}
.case-meta dt {
  color: var(--muted);
  font-size: 12px;
}
.case-meta dd {
  font-size: 14px;
  margin: 6px 0 0;
}
.case-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin-top: 28px;
}
.case-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}
.diagram-link {
  display: block;
}
.case-figure figcaption {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
  margin-top: 14px;
}
.case-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  padding: 22px 0;
  margin-top: 25px;
  border-bottom: 1px solid var(--line);
}
.case-toc a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--accent);
  font-size: 14px;
}
.case-section {
  padding: 45px 0;
  border-bottom: 1px solid var(--line);
}
.case-section h2 {
  font-size: clamp(25px, 3vw, 31px);
  margin: 10px 0 22px;
}
.case-section > p:not(.eyebrow) {
  max-width: 850px;
  color: #c4cedd;
  font-size: 16px;
  line-height: 2;
  margin: 16px 0;
}
.case-note {
  padding: 20px 23px;
  margin-top: 25px;
  background: #29394d;
  border-left: 3px solid var(--accent);
  border-radius: 0 5px 5px 0;
  color: #c5d2e4;
  font-size: 14px;
  line-height: 1.95;
}
.case-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 28px 0;
}
.case-cards article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #273344;
}
.case-cards h3,
.case-story h3 {
  font-size: 19px;
  font-weight: 500;
  margin-bottom: 13px;
}
.case-cards p,
.case-story p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
}
.step-number {
  display: block;
  color: var(--accent);
  font: 13px var(--mono);
  margin-bottom: 17px;
}
.case-steps {
  margin: 25px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.case-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 34px 130px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 21px 0;
  border-top: 1px solid var(--line);
}
.case-steps li::before {
  content: "0" counter(step);
  color: var(--accent);
  font: 13px var(--mono);
}
.case-steps strong {
  font-size: 16px;
  font-weight: 500;
}
.case-steps li > span {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
}
.case-story {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin: 27px 0;
}
.case-ending {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px 28px;
  padding-top: 35px;
}
.case-ending p {
  flex-basis: 100%;
  color: var(--muted);
  font-size: 15px;
}
.case-ending .text-link,
.case-actions .text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--accent);
  font-size: 14px;
}
.focus-flow {
  background: linear-gradient(135deg, #334761, #243040);
  border: 1px solid #607895;
  border-radius: 8px;
  padding: 30px;
}
.focus-flow ol {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}
.focus-flow li > span {
  color: var(--accent);
  font: 13px var(--mono);
  display: block;
  margin-bottom: 15px;
}
.focus-flow strong {
  font-size: 21px;
  font-weight: 500;
}
.focus-flow li p {
  color: #bac9de;
  font-size: 14px;
  margin-top: 8px;
}
@media (max-width: 900px) {
  .case-cards,
  .case-story {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}
@media (max-width: 700px) {
  .case-page {
    padding-top: 14px;
    padding-bottom: 40px;
  }
  .case-intro {
    padding: 20px 0 28px;
  }
  .case-intro h1 {
    font-size: clamp(28px, 7.5vw, 40px);
    margin: 12px 0 20px;
  }
  .case-subtitle {
    font-size: 20px;
    line-height: 1.6;
  }
  .case-lead {
    font-size: 16px;
  }
  .case-meta {
    grid-template-columns: 1fr;
    gap: 13px;
    margin-top: 22px;
    padding-top: 18px;
  }
  .case-meta > div {
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
  }
  .case-meta dd {
    margin: 0;
  }
  .case-meta dt {
    font-size: 13px;
  }
  .case-toc {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 14px;
    padding: 20px 0;
    margin-top: 15px;
  }
  .case-toc a {
    justify-content: center;
    background: #273344;
    border-radius: 4px;
  }
  .case-section {
    padding: 32px 0;
  }
  .case-section h2 {
    font-size: 25px;
    line-height: 1.6;
    margin-bottom: 18px;
  }
  .case-note {
    padding: 17px 18px;
    font-size: 15px;
  }
  .case-cards article {
    padding: 22px;
  }
  .case-steps li {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 8px 12px;
  }
  .case-steps li > span {
    grid-column: 2;
  }
  .case-story > div + div {
    padding-top: 20px;
    border-top: 1px solid var(--line);
  }
  .focus-flow {
    padding: 24px;
  }
  .focus-flow ol {
    grid-template-columns: 1fr;
    gap: 22px;
    margin-top: 20px;
  }
  .focus-flow li + li {
    padding-top: 20px;
    border-top: 1px solid #607895;
  }
  .focus-flow li > span {
    margin-bottom: 8px;
  }
  .case-actions .button {
    flex: 1 1 140px;
  }
}