/* ProLend /learn/ pillar — hub + article styling. Builds on styles.css tokens. */

.page-content .content-main { width: min(1200px, 94vw); margin: 0 auto; padding: 24px 0 80px; }
.page-content .content-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; max-width: 1190px; margin-inline: auto; padding: 8px 0 34px; }
.page-content .brand-image { width: 164px; }
.page-content .home-link { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.06em; color: var(--text-soft); }
.page-content .home-link:hover { color: var(--accent); }

/* Breadcrumb */
.crumb { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.06em; color: var(--text-faint); margin: 0 0 22px; }
.crumb a { color: var(--text-soft); }
.crumb a:hover { color: var(--accent); }
.crumb span { color: var(--text-faint); margin: 0 6px; }

/* Hub */
.learn-hero { padding: 6px 0 8px; }
.learn-eyebrow { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin: 0 0 14px; }
.learn-hero h1 { font-family: "Schibsted Grotesk", sans-serif; font-size: clamp(28px, 3.2vw, 40px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; margin: 0; max-width: none; width: 100%; }
.learn-hero p { margin: 18px 0 0; font-size: 17px; line-height: 1.55; color: var(--text-soft); max-width: 64ch; }

.learn-group { margin-top: 52px; }
.learn-group h2 { font-family: "Schibsted Grotesk", sans-serif; font-size: 15px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); font-weight: 600; margin: 0 0 18px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.learn-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.learn-card { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md, 12px); padding: 22px 24px; transition: border-color 160ms ease, transform 160ms ease; }
.learn-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.learn-card .k { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.learn-card h3 { font-family: "Schibsted Grotesk", sans-serif; margin: 10px 0 0; font-size: 19px; letter-spacing: -0.02em; line-height: 1.2; color: var(--text); }
.learn-card p { margin: 8px 0 0; font-size: 14px; line-height: 1.5; color: var(--text-soft); }
.learn-card.soon { opacity: 0.6; pointer-events: none; }
.learn-card.soon .k { color: var(--text-faint); }

/* ===== Article — full-width hero, then three-zone body: contents · reading column · CTA rail ===== */
.article-shell {
  display: grid;
  grid-template-columns: 190px minmax(0, 680px) 224px;
  grid-template-areas:
    "hero hero rail"
    "toc  body rail";
  column-gap: 48px;
  align-items: start;
  justify-content: center;
}

/* Hero spans the contents + reading columns so the H1 breathes across the top */
.article-hero { grid-area: hero; margin: 0 0 20px; }
.article-hero .crumb { margin-bottom: 20px; }
.article-hero h1 { font-family: "Schibsted Grotesk", sans-serif; font-size: clamp(28px, 3.2vw, 42px); font-weight: 800; letter-spacing: -0.035em; line-height: 1.08; margin: 0; max-width: none; width: 100%; }
.article-hero .standfirst { margin: 24px 0 0; font-size: 20px; line-height: 1.5; color: var(--text-soft); max-width: 62ch; }

.article { grid-area: body; width: 100%; max-width: 680px; margin: 0; }

/* Left — sticky "on this page" contents */
.article-toc { grid-area: toc; position: sticky; top: 28px; align-self: start; }
.article-toc .tk { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); margin: 0 0 16px; }
.article-toc nav { display: flex; flex-direction: column; }
.article-toc nav a { padding: 8px 0 8px 16px; border-left: 2px solid var(--line); font-family: "Schibsted Grotesk", sans-serif; font-size: 13.5px; line-height: 1.35; color: var(--text-soft); transition: border-color 150ms ease, color 150ms ease; }
.article-toc nav a:hover { border-left-color: var(--accent); color: var(--accent); }
.article-toc nav a.active { border-left-color: var(--accent); color: var(--text); font-weight: 600; }

/* Right — sticky CTA rail (balances the layout, drives conversion) */
.article-rail { grid-area: rail; position: sticky; top: 28px; align-self: start; display: flex; flex-direction: column; gap: 14px; }
.rail-card { border: 1px solid var(--line); border-radius: var(--radius-md, 12px); background: #fff; padding: 20px; }
.rail-card.dark { background: var(--panel); border-color: var(--panel); }
.rail-card .rk { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin: 0 0 10px; }
.rail-card.dark .rk { color: var(--green, #6ec489); }
.rail-card h3 { font-family: "Schibsted Grotesk", sans-serif; font-size: 17px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; margin: 0; }
.rail-card.dark h3 { color: #fff; }
.rail-card p { margin: 8px 0 0; font-size: 13px; line-height: 1.5; color: var(--text-soft); }
.rail-card.dark p { color: rgba(255,255,255,0.7); }
.rail-card .btn { margin-top: 16px; display: flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 14px; background: var(--accent); color: #fff; border-radius: var(--radius-sm, 8px); font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; text-align: center; }
.rail-card .btn:hover { background: #264a64; }
.rail-card .btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); margin-top: 8px; }
.rail-card.dark .btn.ghost { color: #fff; border-color: rgba(255,255,255,0.25); }
.rail-card .btn.ghost:hover { border-color: var(--accent); color: var(--accent); background: transparent; }

@media (max-width: 1140px) {
  .article-shell { grid-template-columns: 180px minmax(0, 680px); grid-template-areas: "hero hero" "toc body"; }
  .article-rail { display: none; }
}
@media (max-width: 900px) {
  .article-shell { grid-template-columns: minmax(0, 1fr); grid-template-areas: "hero" "body"; }
  .article-toc { display: none; }
  .article { margin: 0 auto; }
  .article-hero h1 { max-width: none; }
}
@media (max-width: 560px) {
  .article-hero h1 { font-size: clamp(28px, 8vw, 34px); }
  .article-hero .standfirst { font-size: 18px; }
  .article-body h2 { font-size: 22px; }
  .article-body p, .article-body li { font-size: 16px; }
  .inline-cta { flex-direction: column; align-items: flex-start; }
  .keyfacts { grid-template-columns: 1fr; }
}
.article-eyebrow { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin: 0 0 14px; }
.article-body { margin-top: 4px; }
.article-body h2 { font-family: "Schibsted Grotesk", sans-serif; font-size: 25px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; margin: 44px 0 0; }
.article-body h3 { font-family: "Schibsted Grotesk", sans-serif; font-size: 18px; font-weight: 700; letter-spacing: -0.01em; margin: 30px 0 0; }
.article-body p { margin: 16px 0 0; font-size: 17px; line-height: 1.72; color: var(--text); }
.article-body ul, .article-body ol { margin: 16px 0 0; padding-left: 22px; }
.article-body li { font-size: 17px; line-height: 1.7; color: var(--text); margin-top: 8px; }
.article-body strong { font-weight: 600; }
.article-body a { color: var(--accent); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
.article-body a:hover { text-decoration-color: var(--accent); }

.keytakeaway { margin: 30px 0 0; padding: 20px 24px; background: var(--accent-soft, rgba(47,88,119,0.08)); border-radius: var(--radius-md, 12px); }
.keytakeaway .kt { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin: 0 0 8px; }
.keytakeaway p { margin: 0; font-size: 16px; line-height: 1.6; color: var(--text); }

.inline-cta { margin: 44px 0 0; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md, 12px); background: #fff; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.inline-cta .t { font-family: "Schibsted Grotesk", sans-serif; font-size: 18px; font-weight: 600; letter-spacing: -0.01em; max-width: 40ch; }
.inline-cta a { flex: none; display: inline-flex; align-items: center; min-height: 46px; padding: 0 22px; background: var(--accent); color: #fff; border-radius: var(--radius-sm, 8px); font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
.inline-cta a:hover { background: #264a64; }

.article-faq { margin-top: 50px; padding-top: 20px; border-top: 1px solid var(--line); }
.article-faq h2 { font-family: "Schibsted Grotesk", sans-serif; font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin: 0 0 8px; }
.article-faq details { border-top: 1px solid var(--line); }
.article-faq details:last-of-type { border-bottom: 1px solid var(--line); }
.article-faq summary { list-style: none; cursor: pointer; padding: 16px 30px 16px 0; position: relative; font-family: "Schibsted Grotesk", sans-serif; font-size: 16px; font-weight: 600; }
.article-faq summary::-webkit-details-marker { display: none; }
.article-faq summary::after { content: "+"; position: absolute; right: 2px; top: 50%; transform: translateY(-50%); font-family: "IBM Plex Mono", monospace; color: var(--accent); font-size: 18px; }
.article-faq details[open] summary::after { content: "–"; }
.article-faq .a { padding: 0 20px 18px 0; font-size: 15.5px; line-height: 1.65; color: var(--text-soft); }

.related { margin-top: 46px; }
.related .rk { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); margin: 0 0 12px; }
.related a { display: block; padding: 12px 0; border-top: 1px solid var(--line); font-family: "Schibsted Grotesk", sans-serif; font-size: 16px; font-weight: 600; color: var(--text); letter-spacing: -0.01em; }
.related a:last-child { border-bottom: 1px solid var(--line); }
.related a:hover { color: var(--accent); }

.article-disc { margin-top: 40px; font-family: "IBM Plex Mono", monospace; font-size: 11px; line-height: 1.6; color: var(--text-faint); }

/* Article meta (byline / dates) — E-E-A-T signal */
.article-meta { margin: 18px 0 0; font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.04em; color: var(--text-faint); line-height: 1.7; }
.article-meta span { margin: 0 8px; color: var(--line-hover); }
.article-meta .rev { color: var(--text-soft); }

/* Sources & references — YMYL trust / citations */
.article-sources { margin: 40px 0 0; padding: 20px 22px; border: 1px solid var(--line); border-radius: var(--radius-md, 12px); background: #fff; }
.article-sources .sk { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); margin: 0 0 12px; }
.article-sources ul { margin: 0; padding-left: 18px; }
.article-sources li { font-size: 14px; line-height: 1.55; color: var(--text-soft); margin-top: 8px; }
.article-sources a { color: var(--accent); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 2px; }
.article-sources a:hover { text-decoration-color: var(--accent); }
.article-sources .note { margin: 14px 0 0; font-size: 12.5px; line-height: 1.5; color: var(--text-faint); }

/* Current-rate note — dated, self-correcting */
.ratenote { margin: 30px 0 0; padding: 14px 18px; border-left: 3px solid var(--green, #6ec489); background: var(--accent-soft, rgba(47,88,119,0.06)); border-radius: var(--radius-sm, 8px); font-size: 14px; line-height: 1.6; color: var(--text-soft); }
.ratenote strong { color: var(--text); font-weight: 600; }

/* Comparison table — extractable for AEO */
.article-body .table-wrap { margin: 24px 0 0; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-md, 12px); }
.article-body table { width: 100%; border-collapse: collapse; font-size: 15.5px; min-width: 460px; }
.article-body thead th { text-align: left; padding: 12px 16px; font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); font-weight: 600; background: var(--accent-soft, rgba(47,88,119,0.06)); border-bottom: 1px solid var(--line); }
.article-body tbody th { text-align: left; padding: 13px 16px; font-weight: 600; color: var(--text); border-bottom: 1px solid var(--line); vertical-align: top; width: 32%; }
.article-body tbody td { padding: 13px 16px; color: var(--text-soft); border-bottom: 1px solid var(--line); vertical-align: top; line-height: 1.5; }
.article-body tbody tr:last-child th, .article-body tbody tr:last-child td { border-bottom: none; }

/* ===== Editorial components (the pillar's component library) ===== */

/* Section kicker — mono label above each H2 (Stripe-docs feel) */
.article-body .kicker { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin: 56px 0 0; padding-top: 20px; border-top: 1px solid var(--line); }
.article-body .kicker + h2 { margin-top: 10px; }

/* Key facts strip */
.keyfacts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-md, 12px); overflow: hidden; margin: 34px 0 0; }
.keyfacts div { background: #fff; padding: 18px 20px; }
.keyfacts .n { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); }
.keyfacts .v { font-family: "Schibsted Grotesk", sans-serif; font-size: 17px; font-weight: 700; letter-spacing: -0.02em; margin-top: 6px; color: var(--text); line-height: 1.2; }

/* Callout aside — a side-note inside the flow */
.callout { margin: 30px 0 0; padding: 20px 22px; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: var(--radius-sm, 8px); background: #fff; }
.callout .ck { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin: 0 0 8px; }
.callout p { margin: 0; font-size: 15px; line-height: 1.62; color: var(--text-soft); }
.callout p + p { margin-top: 10px; }
.callout strong { color: var(--text); font-weight: 600; }

/* Pull quote */
.pullquote { margin: 42px 0 0; padding: 4px 0 4px 26px; border-left: 3px solid var(--accent); }
.pullquote p { font-family: "Schibsted Grotesk", sans-serif; font-size: 23px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.36; color: var(--text); margin: 0; }

/* Worked example card */
.example { margin: 34px 0 0; border: 1px solid var(--line); border-radius: var(--radius-md, 12px); overflow: hidden; background: #fff; }
.example .eh { background: var(--panel); color: #fff; padding: 13px 22px; font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; }
.example .eb { padding: 20px 22px; }
.example .row { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.example .row:last-child { border-bottom: none; }
.example .row .l { color: var(--text-soft); }
.example .row .r { font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; }
.example .row.total .l, .example .row.total .r { color: var(--accent); font-weight: 700; }
.example .fine { margin: 12px 0 0; font-family: "IBM Plex Mono", monospace; font-size: 10.5px; line-height: 1.5; color: var(--text-faint); }

@media (max-width: 640px) { .learn-grid { grid-template-columns: 1fr; } .keyfacts { grid-template-columns: 1fr; } }