/* LexFab marketing site — shared Resource Centre styling.
 *
 * Loaded by every Resource Centre page after site.css. Everything here is bound
 * to design tokens (never raw hex), uses dvh rather than vh, and respects the
 * site's 960 / 640 breakpoints — per the design project's own conventions.
 */

a { color: var(--blue-600); }
a:hover { color: var(--blue-700); }
.nav-brand, .nav-links a, .foot-col a, .crumb a, .rc-card a, .subnav a { color: inherit; }

/* ───── Breadcrumb ───── */
.crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--slate-500); padding: 18px 0 0; flex-wrap: wrap; }
.crumb a:hover { color: var(--ink-900); }
.crumb svg { width: 13px; height: 13px; color: var(--slate-300); flex-shrink: 0; }
.crumb .here { color: var(--slate-700); }

/* ───── Resources sub-nav (sticky under the top nav) ───── */
.subnav-wrap { position: sticky; top: 64px; z-index: 40; background: rgba(255,255,255,0.9); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid var(--slate-100); }
.subnav { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.subnav::-webkit-scrollbar { display: none; }
.subnav a { font-size: 14px; font-weight: 500; color: var(--slate-600); white-space: nowrap; padding: 15px 14px 12px; border-bottom: 2px solid transparent; transition: color 120ms, border-color 120ms; min-height: 44px; display: inline-flex; align-items: center; }
.subnav a:hover { color: var(--ink-900); }
.subnav a.active { color: var(--blue-600); border-bottom-color: var(--blue-600); }

/* ───── Section hero ───── */
.rc-hero { padding: 44px 0 36px; border-bottom: 1px solid var(--slate-100); }
.rc-hero h1 { font-family: var(--font-serif); font-size: clamp(34px, 5.2vw, 54px); font-weight: 500; letter-spacing: -0.03em; line-height: 1.05; margin: 12px 0 0; color: var(--ink-900); }
.rc-hero p.lede { font-size: clamp(15px,1.6vw,18px); color: var(--slate-600); max-width: 620px; margin: 16px 0 0; line-height: 1.55; }

.rc-search { display: flex; align-items: center; gap: 10px; max-width: 460px; margin: 26px 0 0; padding: 6px 6px 6px 16px; background: #fff; border: 1px solid var(--slate-200); border-radius: 12px; box-shadow: var(--shadow-sm); transition: border-color 120ms, box-shadow 120ms; }
.rc-search:focus-within { border-color: var(--blue-500); box-shadow: var(--shadow-focus); }
.rc-search svg { width: 19px; height: 19px; color: var(--slate-400); flex-shrink: 0; }
.rc-search input { flex: 1; min-width: 0; border: none; outline: none; font-family: inherit; font-size: 16px; padding: 9px 4px; background: transparent; color: var(--ink-900); }

/* ───── Body + grids ───── */
.rc-body { padding: 44px 0 40px; }
.rc-grid { display: grid; gap: 20px; }
.rc-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.rc-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.rc-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ───── Card ───── */
.rc-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--slate-200); border-radius: 14px; padding: 22px; transition: border-color 120ms, box-shadow 120ms, transform 120ms; text-decoration: none; }
a.rc-card:hover { border-color: var(--slate-300); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.rc-card .rc-ic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; margin-bottom: 16px; }
.rc-card h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; margin: 0 0 8px; color: var(--ink-900); }
.rc-card p { font-size: 14px; color: var(--slate-600); line-height: 1.55; margin: 0 0 14px; }
.rc-card .rc-meta { margin-top: auto; display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--slate-500); flex-wrap: wrap; }
.rc-card .rc-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--slate-300); }

/* Tints — deterministic per category/type (see LexFab.tintFor). */
.t-blue   { background: var(--blue-50);   color: var(--blue-600); }
.t-violet { background: var(--violet-50); color: var(--violet-600); }
.t-green  { background: var(--green-50);  color: var(--green-600); }
.t-amber  { background: var(--amber-50);  color: var(--amber-600); }
.t-slate  { background: var(--slate-100); color: var(--slate-500); }

/* ───── Detail reading layout: wide content + slim sticky TOC rail ───── */
.rc-read { display: grid; grid-template-columns: minmax(0,1fr) 250px; gap: 56px; padding: 40px 0 64px; align-items: start; }
.rc-article h1 { font-family: var(--font-serif); font-size: clamp(30px,4.2vw,44px); font-weight: 500; letter-spacing: -0.025em; line-height: 1.12; margin: 10px 0 0; color: var(--ink-900); }
.rc-article .rc-sub { font-size: 17px; color: var(--slate-600); line-height: 1.55; margin: 14px 0 0; }
.rc-byline { display: flex; align-items: center; gap: 10px; margin: 24px 0 0; padding: 16px 0; border-top: 1px solid var(--slate-100); border-bottom: 1px solid var(--slate-100); font-size: 13px; color: var(--slate-500); flex-wrap: wrap; }
.rc-byline .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--slate-300); }
.rc-byline .who { font-weight: 600; color: var(--slate-700); }

.rc-prose { font-size: 16.5px; line-height: 1.72; color: var(--slate-700); margin-top: 30px; }
.rc-prose h2 { font-family: var(--font-serif); font-size: 27px; font-weight: 500; letter-spacing: -0.02em; color: var(--ink-900); margin: 40px 0 12px; scroll-margin-top: 130px; }
.rc-prose h3 { font-size: 19px; font-weight: 600; color: var(--ink-900); margin: 30px 0 10px; scroll-margin-top: 130px; }
.rc-prose h4 { font-size: 16px; font-weight: 600; color: var(--ink-900); margin: 24px 0 8px; }
.rc-prose p { margin: 0 0 18px; }
.rc-prose ul, .rc-prose ol { margin: 0 0 18px; padding-left: 24px; }
.rc-prose li { margin-bottom: 8px; }
.rc-prose blockquote { margin: 24px 0; padding: 16px 22px; border-left: 3px solid var(--blue-500); background: var(--slate-50); border-radius: 0 10px 10px 0; color: var(--slate-700); font-style: italic; }
.rc-prose code { font-family: var(--font-mono); font-size: 0.9em; background: var(--slate-100); padding: 2px 6px; border-radius: 5px; }
.rc-prose pre { background: var(--ink-900); color: #fff; padding: 18px; border-radius: 10px; overflow-x: auto; margin: 0 0 18px; }
.rc-prose pre code { background: none; padding: 0; color: inherit; }
.rc-prose hr { border: none; border-top: 1px solid var(--slate-200); margin: 32px 0; }
.rc-prose img { max-width: 100%; height: auto; border-radius: 10px; }

.rc-toc { position: sticky; top: 130px; }
.rc-toc h4 { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--slate-400); margin: 0 0 12px; }
.rc-toc ul { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--slate-100); }
.rc-toc li a { display: block; padding: 6px 0 6px 14px; margin-left: -2px; border-left: 2px solid transparent; font-size: 13.5px; color: var(--slate-500); line-height: 1.4; }
.rc-toc li a:hover { color: var(--ink-900); }
.rc-toc li a.active { color: var(--blue-600); border-left-color: var(--blue-600); font-weight: 500; }
.rc-toc li.lvl3 a { padding-left: 26px; font-size: 13px; }

/* ───── Accordion (FAQs, help) ───── */
.rc-acc { border: 1px solid var(--slate-200); border-radius: 12px; background: #fff; overflow: hidden; }
.rc-acc + .rc-acc { margin-top: 10px; }
.rc-acc summary { list-style: none; cursor: pointer; padding: 18px 22px; font-size: 15.5px; font-weight: 600; color: var(--ink-900); display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 44px; }
.rc-acc summary::-webkit-details-marker { display: none; }
.rc-acc summary::after { content: ''; width: 10px; height: 10px; border-right: 2px solid var(--slate-400); border-bottom: 2px solid var(--slate-400); transform: rotate(45deg); flex-shrink: 0; transition: transform 160ms var(--ease-out); }
.rc-acc[open] summary::after { transform: rotate(225deg); }
.rc-acc .rc-acc-body { padding: 0 22px 20px; font-size: 15px; line-height: 1.65; color: var(--slate-600); }

/* ───── Glossary A–Z ───── */
.az-bar { display: flex; flex-wrap: wrap; gap: 6px; margin: 24px 0 32px; }
.az-bar button { min-width: 36px; min-height: 36px; border: 1px solid var(--slate-200); background: #fff; border-radius: 8px; font-family: inherit; font-size: 13px; font-weight: 600; color: var(--slate-600); cursor: pointer; transition: all 120ms; }
.az-bar button:hover:not(:disabled) { border-color: var(--blue-400); color: var(--blue-600); }
.az-bar button.active { background: var(--ink-900); border-color: var(--ink-900); color: #fff; }
.az-bar button:disabled { opacity: 0.32; cursor: default; }

/* ───── Filter chips ───── */
.rc-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.rc-chip { appearance: none; border: 1px solid var(--slate-200); background: #fff; font-family: inherit; font-size: 13.5px; font-weight: 500; color: var(--slate-600); padding: 8px 14px; border-radius: 9999px; min-height: 36px; cursor: pointer; transition: all 120ms var(--ease-out); }
.rc-chip:hover { border-color: var(--blue-400); color: var(--blue-700); }
.rc-chip.active { background: var(--ink-900); border-color: var(--ink-900); color: #fff; }

/* ───── Badges ───── */
.rc-badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 9999px; font-size: 11.5px; font-weight: 600; letter-spacing: 0.02em; }
.rc-badge.soon { background: var(--amber-50); color: var(--amber-700); }
.rc-badge.new { background: var(--green-50); color: var(--green-700); }
.rc-badge.past { background: var(--slate-100); color: var(--slate-500); }

/* ───── States ───── */
.rc-state { grid-column: 1 / -1; padding: 52px 24px; text-align: center; color: var(--slate-500); font-size: 15px; }
.rc-state p { margin: 0 0 14px; }
.rc-state.error { color: var(--slate-700); }
.rc-skel { pointer-events: none; }
.rc-skel .sk-line { height: 12px; border-radius: 6px; background: var(--slate-100); margin-bottom: 10px; }
.rc-skel .sk-line.w90 { width: 90%; } .rc-skel .sk-line.w70 { width: 70%; } .rc-skel .sk-line.w40 { width: 40%; }
@media (prefers-reduced-motion: no-preference) {
  .rc-skel .sk-line { animation: rcsk 1.4s ease-in-out infinite; }
  @keyframes rcsk { 0%,100% { opacity: 1; } 50% { opacity: 0.55; } }
}

/* ───── Pagination ───── */
.rc-pag { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 42px; flex-wrap: wrap; }
.rc-pag button { min-width: 40px; min-height: 40px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--slate-200); background: #fff; border-radius: 9px; font-family: inherit; font-size: 14px; font-weight: 500; color: var(--slate-600); padding: 0 12px; cursor: pointer; transition: all 120ms; }
.rc-pag button:hover:not(:disabled) { border-color: var(--blue-400); color: var(--blue-600); }
.rc-pag button.active { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }
.rc-pag button:disabled { opacity: 0.4; cursor: default; }

/* ───── Hub section blocks ───── */
.rc-section { padding: 56px 0; border-top: 1px solid var(--slate-100); }
.rc-section:first-of-type { border-top: none; }
.rc-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 26px; flex-wrap: wrap; }
.rc-section-head h2 { font-family: var(--font-serif); font-size: clamp(24px,3vw,32px); font-weight: 500; letter-spacing: -0.02em; margin: 6px 0 0; color: var(--ink-900); }
.rc-section-head .rc-eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--blue-600); }
.rc-section-head p { font-size: 15px; color: var(--slate-600); margin: 8px 0 0; max-width: 560px; }
.rc-seeall { font-size: 14px; font-weight: 600; color: var(--blue-600); white-space: nowrap; }

/* ───── Responsive ───── */
@media (max-width: 960px) {
  .rc-read { grid-template-columns: 1fr; gap: 0; }
  .rc-toc { display: none; }           /* collapses per the design at <=960 */
  .rc-grid.cols-3, .rc-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .rc-section { padding: 44px 0; }
}
@media (max-width: 640px) {
  .subnav-wrap { top: 56px; }
  .rc-body { padding: 30px 0 32px; }
  .rc-grid.cols-2, .rc-grid.cols-3, .rc-grid.cols-4 { grid-template-columns: 1fr; }
  .rc-prose { font-size: 16px; }
}

/* Fixed/sticky bottom elements must clear the home indicator on iOS. */
.rc-sticky-bottom { padding-bottom: max(16px, env(safe-area-inset-bottom)); }