/* Editorial bridge for legacy use-case + guide page markup.
   Maps the old class names (.usecase-hero, .usecase-body, .usecase-cta,
   .related-usecases, .tldr, .compare-table, .article-meta, .faq-section,
   nav, footer, .btn-primary, .btn-secondary) onto the editorial design tokens.
   Loaded after editorial.css. */

/* Aliases for legacy CSS variables used by inline styles in older pages */
:root {
  --text: var(--ink);
  --text-secondary: var(--ink-2);
  --text-dim: var(--ink-soft);
  --accent-bright: var(--accent);
  --bg: var(--paper);
  --bg-card: var(--paper-2);
  --surface: var(--paper-2);
  --border: var(--rule);
  --border-strong: var(--ink);
  --success: var(--accent);
  --error: var(--accent);
  --font-sans: var(--sans);
  --font-mono: var(--mono);
}

/* ── Legacy nav restyle ── */
nav:not(.top) {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--paper) 86%, transparent);
  backdrop-filter: blur(8px) saturate(1.1);
  -webkit-backdrop-filter: blur(8px) saturate(1.1);
  border-bottom: 1px solid var(--rule);
  padding: 0;
}
nav:not(.top) > .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: 14px;
}
nav .nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--ink);
  font-weight: 700;
}
nav .nav-logo img { display: none; } /* hide raster logo; use the typewriter mark via ::before */
nav .nav-logo::before {
  content: "";
  width: 26px; height: 26px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32' fill='none' stroke='%2315110c' stroke-width='1.6' stroke-linejoin='round' stroke-linecap='round'><path d='M6 19 L 26 19 L 24 25 L 8 25 Z'/><path d='M9 13 L 23 13 L 25 19 L 7 19 Z'/><ellipse cx='16' cy='12' rx='9' ry='1.6'/><path d='M12 4 L 20 4 L 21 12 L 11 12 Z' fill='%23ece6d8'/><line x1='13' y1='7' x2='19' y2='7' opacity='0.55'/><circle cx='12' cy='22' r='1'/><circle cx='16' cy='22' r='1' fill='%2315110c'/><circle cx='20' cy='22' r='1'/></svg>");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
}
nav .nav-logo span {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  font-weight: 700;
}
nav .nav-links {
  display: flex; gap: 28px; list-style: none;
  font-size: 13px; color: var(--ink-soft);
  font-family: var(--mono);
  margin-left: auto;
}
nav .nav-links a { color: inherit; text-decoration: none; }
nav .nav-links a:hover { color: var(--ink); }
nav .nav-burger {
  display: none;
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--ink);
  cursor: pointer;
}
@media (max-width: 720px) {
  nav .nav-links {
    display: none;
    position: absolute;
    top: 56px; left: 0; right: 0;
    flex-direction: column;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: 14px 24px;
    gap: 14px;
    margin-left: 0;
  }
  nav .nav-links.open { display: flex; }
  nav .nav-burger { display: inline-flex; }
}

/* ── Legacy footer restyle ── */
footer:not(.bottom) {
  border-top: 1px solid var(--ink);
  padding: 56px 0 36px;
  margin-top: 48px;
  background: var(--paper);
}
footer .footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--rule);
}
footer .footer-brand .nav-logo { font-size: 13px; }
footer .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}
footer .footer-links a:hover { color: var(--ink); }
footer .footer-contact a {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  border-bottom: 1px solid color-mix(in oklab, var(--accent) 50%, transparent);
}
footer .footer-copy {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 22px;
}

/* ── Buttons (legacy class compat) ── */
.btn-primary, .btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid var(--ink);
  font-weight: 600;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .2s ease, background .15s, color .15s;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 4px 4px 0 0 var(--accent); }
.btn-secondary {
  background: transparent;
  color: var(--ink);
}
.btn-secondary:hover { transform: translateY(-2px); box-shadow: 4px 4px 0 0 var(--ink); }

/* ── usecase-hero (legacy) → editorial ── */
.usecase-hero {
  padding: 96px 0 48px;
  text-align: left;
  border-bottom: 1px solid var(--rule);
}
.usecase-hero > .container { max-width: 760px; }
.usecase-hero .breadcrumb {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  margin-bottom: 18px;
  text-align: left;
}
.usecase-hero .breadcrumb a { color: var(--ink-soft); }
.usecase-hero .breadcrumb a:hover { color: var(--ink); }
.usecase-hero h1 {
  font-family: var(--headline);
  font-weight: var(--headline-weight);
  font-size: clamp(44px, 7.2vw, 96px);
  line-height: 0.95;
  letter-spacing: var(--headline-tracking);
  text-wrap: balance;
  margin-bottom: 22px;
  background: none;
  color: var(--ink);
  -webkit-text-fill-color: var(--ink);
  text-align: left;
}
.usecase-hero h1 em { font-style: italic; color: var(--accent); }
.usecase-hero .lede {
  font-family: var(--serif);
  font-size: clamp(17px, 1.55vw, 21px);
  color: var(--ink-2);
  max-width: 60ch;
  line-height: 1.5;
  margin: 0 0 28px;
  text-align: left;
}

/* ── usecase-body → article body ── */
.usecase-body { padding: 56px 0 72px; }
.usecase-body > .container { max-width: 760px; }
.usecase-body h2 {
  font-family: var(--headline);
  font-weight: 800;
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 56px 0 18px;
  color: var(--ink);
}
.usecase-body h2 em { color: var(--accent); font-style: italic; }
.usecase-body h3 {
  font-family: var(--headline);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 36px 0 12px;
  color: var(--ink);
}
.usecase-body p {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink-2);
  margin-bottom: 18px;
}
.usecase-body ul, .usecase-body ol {
  margin: 12px 0 24px 0;
  padding-left: 0;
  list-style: none;
}
.usecase-body li {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  padding: 8px 0 8px 26px;
  border-bottom: 1px solid var(--rule-soft);
  position: relative;
}
.usecase-body ul li::before {
  content: "→";
  position: absolute; left: 0; top: 8px;
  color: var(--accent);
  font-style: italic; font-weight: 700;
  font-family: var(--serif);
}
.usecase-body ol { counter-reset: ol; }
.usecase-body ol li::before {
  counter-increment: ol;
  content: counter(ol, decimal-leading-zero);
  position: absolute; left: 0; top: 8px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}
.usecase-body strong { color: var(--ink); font-weight: 700; }
.usecase-body code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--paper-2);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--ink);
}
.usecase-body a {
  color: var(--accent);
  border-bottom: 1px solid color-mix(in oklab, var(--accent) 50%, transparent);
}
.usecase-body a:hover { border-bottom-color: var(--accent); }

/* TL;DR (legacy) → editorial */
.tldr {
  background: var(--paper-2);
  border-left: 3px solid var(--accent);
  border-radius: 0;
  padding: 20px 24px;
  margin: 0 0 40px;
}
.tldr-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.tldr p {
  font-family: var(--serif);
  color: var(--ink);
  margin: 0;
  line-height: 1.6;
  font-size: 16px;
}
.tldr p + p { margin-top: 10px; }

/* article-meta */
.article-meta {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin-bottom: 28px;
}
.article-meta time { color: var(--ink-soft); }

/* faq-section */
.faq-section {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--rule);
}
.faq-section h2 { margin-top: 0; }
.faq-section details {
  border: none;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  margin-bottom: 0;
  background: transparent;
  padding: 0;
}
.faq-section details[open] { border-bottom: 1px solid var(--rule); }
.faq-section summary {
  cursor: pointer;
  padding: 18px 0;
  font-family: var(--headline);
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-section summary::-webkit-details-marker { display: none; }
.faq-section summary::after {
  content: "+";
  color: var(--accent);
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  font-weight: 400;
}
.faq-section details[open] summary::after { content: "−"; }
.faq-section details p {
  padding: 0 0 18px;
  margin: 0;
  font-family: var(--serif);
  color: var(--ink-2);
  font-size: 17px;
  line-height: 1.7;
}

/* compare-table → editorial mono table */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 32px;
  font-family: var(--mono);
  font-size: 13px;
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: 0;
  overflow: visible;
}
.compare-table th, .compare-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-2);
}
.compare-table thead th {
  background: var(--ink); color: var(--paper);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 11px;
  font-weight: 700;
}
.compare-table tbody td:first-child {
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 700;
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table .yes { color: var(--accent); font-weight: 700; }
.compare-table .no { color: var(--ink-faint); }
.compare-table .partial { color: #b5851b; }

/* usecase-cta → article-cta */
.usecase-cta {
  background: var(--paper-2);
  border: 1px solid var(--ink);
  border-radius: 0;
  padding: 36px 32px;
  margin: 56px 0 0;
  text-align: left;
}
.usecase-cta h3 {
  font-family: var(--headline);
  font-weight: 800;
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  color: var(--ink);
}
.usecase-cta h3 em { color: var(--accent); font-style: italic; }
.usecase-cta p {
  font-family: var(--serif);
  color: var(--ink-2);
  margin-bottom: 20px;
  font-size: 17px;
}

/* related-usecases / related-grid */
.related-usecases {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--rule);
}
.related-usecases h2 { margin-top: 0; font-size: 22px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  margin-top: 24px;
  border: 1px solid var(--ink);
}
.related-grid a {
  display: block;
  padding: 22px 22px;
  background: var(--paper);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
  text-decoration: none;
  transition: background .15s;
  font-size: 14px;
  border-radius: 0;
  transform: none !important;
}
.related-grid a:hover { background: var(--paper-2); border-color: var(--rule); }
.related-grid a strong {
  display: block;
  font-family: var(--headline);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
  color: var(--ink);
}
.related-grid a span {
  font-family: var(--serif);
  color: var(--ink-2);
  font-size: 14px;
}

/* Override accent links inside inline-styled cards */
.usecase-body a[style*="--accent-bright"], .usecase-body a[style*="color"] {
  color: var(--accent) !important;
}