/* Case study editorial layout */

/* ─── Hero ─── */
.case-hero {
  padding: clamp(64px, 10vw, 120px) var(--pad-x) clamp(48px, 8vw, 96px);
  border-bottom: 1px solid var(--hairline);
}
.case-hero-inner { max-width: var(--max); margin: 0 auto; }
.case-hero .eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.case-hero .eyebrow strong { color: var(--ink); font-weight: 600; }
.case-hero .eyebrow .rule { flex: 0 0 60px; height: 1px; background: var(--ink); }
.case-hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 11vw, 168px);
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--black);
  margin-bottom: clamp(28px, 4vw, 48px);
  max-width: 16ch;
}
.case-hero h1 em { font-style: italic; }
.case-hero .standfirst {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(22px, 2.4vw, 32px);
  font-style: italic;
  line-height: 1.3;
  color: var(--ink);
  max-width: 36ch;
  margin-bottom: clamp(40px, 6vw, 64px);
}

/* ─── Meta strip ─── */
.case-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.case-meta dt { color: var(--muted); margin-bottom: 4px; }
.case-meta dd { color: var(--ink); }
@media (min-width: 720px) { .case-meta { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1080px) { .case-meta { grid-template-columns: repeat(6, 1fr); } }

/* ─── Body ─── */
.case-body {
  padding: clamp(64px, 10vw, 120px) var(--pad-x) clamp(96px, 12vw, 160px);
  border-bottom: 1px solid var(--hairline);
}
.case-body-inner {
  max-width: var(--col);
  margin: 0 auto;
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink);
}
.case-body h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 4.6vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--black);
  margin-top: clamp(64px, 8vw, 112px);
  margin-bottom: 28px;
  scroll-margin-top: 40px;
}
.case-body h2 em { font-style: italic; }
.case-body h2:first-child { margin-top: 0; }
.case-body h2 .num {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  display: block;
  font-style: normal;
  margin-bottom: 14px;
  font-weight: 400;
}
.case-body h3 {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--black);
  margin-top: 40px;
  margin-bottom: 14px;
}
.case-body p {
  margin-bottom: 1.1em;
  hanging-punctuation: first last;
}
.case-body p strong { font-weight: 600; color: var(--black); }
.case-body p em { font-style: italic; }
.case-body a { border-bottom: 1px solid var(--hairline); transition: border-color 0.15s ease; }
.case-body a:hover { border-bottom-color: var(--ink); }
.case-body ul, .case-body ol {
  margin: 0 0 1.4em 0;
  padding-left: 1.4em;
}
.case-body li { margin-bottom: 0.6em; }
.case-body ol { padding-left: 0; counter-reset: finding; list-style: none; }
.case-body ol li {
  counter-increment: finding;
  padding-left: 56px;
  position: relative;
  margin-bottom: 1.4em;
}
.case-body ol li::before {
  content: counter(finding, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1em;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* User-need quote */
.user-need {
  border-left: 2px solid var(--black);
  padding: 14px 0 14px 20px;
  margin: 32px 0 40px;
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink);
}
.user-need .qual { color: var(--muted); }

/* Pull quote */
.pull {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--black);
  font-style: italic;
  margin: 56px 0;
  text-align: left;
  max-width: 22ch;
}
.pull::before { content: '\201C'; }
.pull::after { content: '\201D'; }

/* Tier callouts */
.tier {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 32px 0;
  margin: 24px 0 32px;
}
.tier .tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--paper);
  background: var(--black);
  padding: 4px 10px;
  border-radius: 980px;
  margin-bottom: 14px;
}
.tier h4 {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.2;
  color: var(--black);
  margin-bottom: 14px;
}

/* Hero rule between sections */
.case-body hr {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: clamp(56px, 8vw, 96px) 0;
}

/* Findings recap (numbered list of contents at top of findings) */
.findings-toc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 32px 0 56px;
  border-top: 1px solid var(--hairline);
}
.findings-toc li {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--hairline);
}
.findings-toc li::before { display: none !important; }
.findings-toc a {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 16px 0;
  font-size: 16px;
  color: var(--ink);
  border: none;
  align-items: baseline;
  transition: padding-left 0.2s ease;
}
.findings-toc a:hover { padding-left: 8px; }
.findings-toc a .n {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* Continue / next case */
.case-next {
  padding: var(--rhythm) var(--pad-x);
  border-bottom: 1px solid var(--hairline);
  background: var(--surface);
}
.case-next-inner { max-width: var(--max); margin: 0 auto; }
.case-next .small {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 16px;
  display: block;
}
.case-next a.next-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  transition: padding-left 0.2s ease;
}
.case-next a.next-card:hover { padding-left: 8px; }
.case-next a.next-card h4 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--black);
}
.case-next a.next-card h4 em { font-style: italic; }
.case-next a.next-card p {
  font-size: 15px;
  color: var(--muted);
  margin-top: 8px;
  max-width: 56ch;
}
.case-next a.next-card .arrow {
  font-family: var(--serif);
  font-size: 32px;
  color: var(--ink);
  transition: transform 0.2s ease;
}
.case-next a.next-card:hover .arrow { transform: translateX(6px); }