:root {
  color-scheme: dark;
  --paper: #f4ece0;
  --muted: rgba(244, 236, 224, 0.72);
  --line: rgba(244, 236, 224, 0.24);
  --ink: #0b0a10;
  --accent: #e0826b;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--ink); scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--paper);
  background:
    radial-gradient(70rem 38rem at 80% -10%, rgba(130, 65, 80, 0.6), transparent 65%),
    var(--ink);
  font-family: var(--sans);
  line-height: 1.65;
}
a { color: inherit; }
.case-shell { width: min(100% - 3rem, 76rem); margin: 0 auto; }
.case-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.case-nav a { text-underline-offset: 0.3em; }
.case-hero { padding: clamp(5rem, 13vw, 11rem) 0 5rem; }
.case-kicker {
  margin: 0 0 1.2rem;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
h1, h2 { font-family: var(--serif); font-weight: 400; line-height: 0.98; }
h1 { max-width: 14ch; margin: 0; font-size: clamp(4rem, 11vw, 9rem); font-style: italic; }
.case-intro { max-width: 42rem; margin: 2rem 0 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.35rem); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 3rem 0 5rem; }
.case-stat { padding: 1rem 0; border-top: 1px solid var(--line); }
.case-stat strong { display: block; font-family: var(--serif); font-size: 2rem; font-weight: 400; }
.case-stat span { color: var(--muted); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; }
.case-visual { margin: 0 0 5rem; }
.case-visual img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 0.75rem; box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.35); }
.case-content { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: clamp(2rem, 8vw, 8rem); padding-bottom: 7rem; }
.case-content h2 { margin: 0; font-size: clamp(2.4rem, 5vw, 4.5rem); }
.case-content p { max-width: 42rem; margin: 0 0 1.2rem; color: var(--muted); }
.case-content ul { max-width: 42rem; margin: 1.5rem 0 0; padding-left: 1.2rem; color: var(--muted); }
.case-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.case-button { display: inline-flex; min-height: 2.8rem; align-items: center; padding: 0.7rem 1rem; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; }
.case-button:hover, .case-button:focus-visible { border-color: var(--paper); background: rgba(244, 236, 224, 0.1); }
.case-button--primary { color: var(--ink); border-color: var(--paper); background: var(--paper); }
.case-button--primary:hover, .case-button--primary:focus-visible { background: #fff8ec; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
@media (max-width: 700px) {
  .case-shell { width: min(100% - 2rem, 76rem); }
  .case-hero { padding-top: 4rem; }
  .case-grid, .case-content { grid-template-columns: 1fr; }
  .case-grid { gap: 0; }
  .case-stat { display: flex; align-items: baseline; justify-content: space-between; }
  .case-stat strong { font-size: 1.6rem; }
}