/* Case-study and tool pages, in the v2 language. Loaded after v2.css. */

.wrap { width: 100%; max-width: calc(var(--col) + 48px); margin: 0 auto; padding: 0 24px; }

/* Hero */
.cs-hero { padding: 88px 0 56px; }
.cs-back { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); margin-bottom: 40px; }
.cs-back:hover { color: var(--text); }
.cs-hero .eyebrow { display: block; }
.cs-hero h1 { font-size: 46px; line-height: 1.12; font-weight: 500; letter-spacing: -0.02em; margin-top: 8px; }
.hero-sub { margin-top: 24px; font-size: 19px; line-height: 1.55; color: var(--muted); max-width: 62ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

/* The old .btn classes map onto the v2 pills */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 9px 18px; border-radius: 999px;
  font-size: 15px; font-weight: 500; line-height: 1.4;
  transition: transform .2s, background .2s, border-color .2s;
}
.btn-primary { background: #e2e8f0; color: var(--deep); }
.btn-primary:hover { background: #fff; transform: translateY(-1px); }
.btn-ghost { border: 1px solid #cbd5e1; color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,.08); transform: translateY(-1px); }
.btn-sm { padding: 7px 14px; font-size: 14px; }

/* Meta row */
.cs-meta {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px;
  margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line);
}
.cs-meta div { display: grid; gap: 6px; }
.cs-meta span { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.cs-meta strong { font-size: 15px; font-weight: 500; line-height: 1.4; }

/* Cover */
.cs-cover { margin: 24px auto 0; }
.cs-cover img { width: 100%; border-radius: var(--radius); background: #e7e5df; }

/* Body */
.cs-body { padding: 72px 0 96px; }
.cs-toc {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 56px; padding-bottom: 24px; border-bottom: 1px solid var(--line);
}
.cs-toc a {
  font-size: 13px; font-weight: 500; color: var(--muted);
  padding: 6px 14px; border-radius: 999px; background: var(--card);
}
.cs-toc a:hover { color: var(--text); background: var(--card-hover); }

.cs-content section + section { margin-top: 64px; }
.cs-content h2 { font-size: 30px; font-weight: 500; letter-spacing: -0.015em; margin-bottom: 20px; }
.cs-content h3 { font-size: 19px; font-weight: 500; line-height: 1.35; }
.cs-content p { color: var(--muted); font-size: 16px; line-height: 1.75; }
.cs-content p + p, .cs-content ul + p, .cs-content p + h3 { margin-top: 16px; }
.cs-content strong, .cs-content b { color: var(--text); font-weight: 600; }
.cs-content em { color: var(--dim); }
.cs-content ul { margin: 20px 0 0; padding-left: 20px; display: grid; gap: 12px; }
.cs-content li { color: var(--muted); font-size: 16px; line-height: 1.7; }
.cs-content li::marker { color: var(--dim); }
.cs-content a { color: var(--text); text-decoration: underline; text-underline-offset: 4px; }

.pull-quote {
  margin: 40px 0 0; padding: 28px 32px;
  background: var(--card); border-radius: var(--radius);
  font-size: 21px; line-height: 1.4; font-weight: 500; color: var(--text);
}

.process-steps { display: grid; gap: 16px; margin-top: 28px; }
.process-step {
  display: grid; grid-template-columns: 44px 1fr; gap: 16px;
  background: var(--card); border-radius: var(--radius); padding: 26px 28px;
}
.process-step .num { font-size: 14px; font-weight: 600; color: var(--dim); padding-top: 3px; }
.process-step p { margin-top: 8px; font-size: 15px; }

.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; margin-top: 8px; }
.metric-card { background: var(--card); border-radius: var(--radius); padding: 26px 28px; }
.metric-card strong { display: block; font-size: 30px; font-weight: 500; letter-spacing: -0.01em; }
.metric-card span { display: block; margin-top: 8px; font-size: 14px; line-height: 1.5; color: var(--dim); }
.cs-content .metric-grid + p { margin-top: 24px; }

.cs-footer-nav {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 40px 24px 96px; border-top: 1px solid var(--line);
}

@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  .cs-hero { padding: 48px 0 40px; }
  .cs-hero h1 { font-size: 32px; }
  .hero-sub { font-size: 17px; }
  .cs-body { padding: 48px 0 64px; }
  .cs-content h2 { font-size: 25px; }
  .pull-quote { font-size: 18px; padding: 24px; }
  .process-step { grid-template-columns: 1fr; gap: 8px; }
  .cs-footer-nav { padding: 32px 16px 64px; }
  .cs-footer-nav .btn { flex: 1 1 100%; justify-content: center; }
}