:root {
  --bg: #f5f3ef;
  --paper: #ffffff;
  --ink: #111111;
  --muted: #5f5a53;
  --line: #dad5cd;
  --accent: #0f4c81;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: radial-gradient(1200px 500px at 100% -10%, #efe9df 0%, var(--bg) 55%), var(--bg);
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  line-height: 1.55;
}

.topbar,
.cases-page,
.footer {
  width: min(1060px, calc(100% - 2.2rem));
  margin: 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.3rem 0 0.8rem;
}

.brand {
  font-size: 1rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
}

.primary-nav {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.primary-nav a {
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.86rem;
  background: var(--paper);
}

.primary-nav a:hover,
.primary-nav a.active {
  border-color: var(--accent);
}

.cases-page {
  padding-bottom: 2.4rem;
}

.hero {
  padding: 1.6rem 0 1rem;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

h1 {
  margin: 0.35rem 0 0.5rem;
  font-family: "Spectral", Georgia, serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.06;
}

.lead {
  max-width: 78ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.lang-links {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin: 1rem 0 0;
}

.lang-links a {
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.72rem;
  font-size: 0.8rem;
  background: var(--paper);
}

.lang-links a.active {
  border-color: var(--accent);
  background: rgba(15, 76, 129, 0.1);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  align-items: start;
}

.case-card,
.refs-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
}

.case-card {
  padding: 1rem;
}

.case-id {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.76rem;
}

.case-card h2 {
  margin: 0.45rem 0 0.65rem;
  font-family: "Spectral", Georgia, serif;
  font-size: 1.3rem;
  line-height: 1.2;
}

.case-card p {
  margin: 0;
}

.refs-card {
  margin-top: 1rem;
  padding: 1rem;
}

.refs-card h2 {
  margin: 0 0 0.5rem;
  font-family: "Spectral", Georgia, serif;
  font-size: 1.24rem;
}

.refs-card ul {
  margin: 0;
  padding-left: 1.15rem;
}

.refs-card li {
  margin: 0.45rem 0;
}

.refs-card a {
  color: var(--accent);
}

.footer {
  padding: 0.5rem 0 2rem;
  color: var(--muted);
  font-size: 0.83rem;
}

@media (max-width: 860px) {
  .topbar {
    align-items: flex-start;
    gap: 0.6rem;
    flex-direction: column;
  }
}