/* ===================================================================
   Guides & articles (gst/*.html long-form pages) — logo palette.
   Builds on pg- (pages.css), sl-related (solutions.css) and the
   home page FAQ (fz-, styles.css). Everything here is ar-.
   =================================================================== */

/* ---------- Hero ---------- */
.ar-hero { padding-bottom: 48px; }
.ar-hero h1 { max-width: 880px; font-size: clamp(1.9rem, 4vw, 2.9rem); }
.ar-hero .pg-lead { max-width: 760px; }
.ar-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 0; padding: 0; list-style: none; font-size: 0.88rem; color: var(--m-muted); }
.ar-meta i { margin-right: 6px; color: var(--m-blue); }

/* ---------- Layout ---------- */
.ar-wrap { padding: 56px 0 72px; background: #fff; }
.ar-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; align-items: start; }
.ar-side { position: sticky; top: 110px; display: grid; gap: 18px; }

/* ---------- Table of contents ---------- */
.ar-toc { padding: 22px; border-radius: 16px; background: var(--m-tint); border: 1px solid var(--m-line); }
.ar-toc h2 { margin: 0 0 12px; font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; color: var(--m-navy); }
.ar-toc ol { margin: 0; padding: 0; list-style: none; counter-reset: toc; display: grid; gap: 8px; }
.ar-toc li { counter-increment: toc; display: grid; grid-template-columns: 22px minmax(0, 1fr); font-size: 0.88rem; line-height: 1.45; }
.ar-toc li::before { content: counter(toc); font-weight: 700; color: var(--m-orange-text); }
.ar-toc a { color: var(--m-navy); text-decoration: none; }
.ar-toc a:hover { color: var(--m-blue); text-decoration: underline; }

/* Side CTA */
.ar-cta { padding: 22px; border-radius: 16px; color: #fff; background: linear-gradient(135deg, var(--m-blue-deep), var(--m-blue)); }
.ar-cta strong { display: block; font-family: var(--font-display); font-size: 1.05rem; }
.ar-cta p { margin: 8px 0 14px; font-size: 0.88rem; line-height: 1.55; color: rgba(255, 255, 255, 0.86); }
.ar-cta .pg-btn { width: 100%; justify-content: center; }

/* ---------- Article body ---------- */
.ar-body { min-width: 0; font-size: 1.04rem; line-height: 1.8; color: var(--m-text); }
.ar-body > * + * { margin-top: 18px; }
.ar-body h2 { margin-top: 44px; scroll-margin-top: 100px; font-family: var(--font-display); font-weight: 800; font-size: clamp(1.4rem, 2.6vw, 1.75rem); line-height: 1.25; color: var(--m-navy); }
.ar-body h3 { margin-top: 28px; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--m-navy); }
.ar-body p { margin-bottom: 0; }
.ar-body strong { color: var(--m-navy); }
.ar-body a { color: var(--m-blue); font-weight: 600; }
.ar-body ul, .ar-body ol { padding-left: 22px; }
.ar-body li + li { margin-top: 8px; }
.ar-body li::marker { color: var(--m-orange-deep); }

/* Key points box */
.ar-key { padding: 22px 24px; border-radius: 16px; background: var(--m-tint); border: 1px solid var(--m-line); }
.ar-key h2 { margin: 0 0 10px; font-size: 1.05rem; }
.ar-key ul { margin: 0; }

/* Callout */
.ar-note { padding: 14px 18px; border-left: 4px solid var(--m-orange); border-radius: 0 12px 12px 0; background: #fff8ec; font-size: 0.97rem; line-height: 1.65; color: var(--m-navy); }
.ar-note--blue { border-left-color: var(--m-blue); background: #eef5ff; }

/* Tables */
.ar-table-wrap { overflow-x: auto; border-radius: 14px; border: 1px solid var(--m-line); }
.ar-table { width: 100%; border-collapse: collapse; font-size: 0.93rem; line-height: 1.5; }
.ar-table th { padding: 12px 14px; text-align: left; background: var(--m-tint); font-weight: 700; color: var(--m-navy); border-bottom: 1px solid var(--m-line); }
.ar-table td { padding: 12px 14px; vertical-align: top; border-bottom: 1px solid #eef2f8; }
.ar-table tr:last-child td { border-bottom: 0; }

/* Numbered steps */
.ar-steps { padding: 0 !important; list-style: none; counter-reset: st; display: grid; gap: 12px; }
.ar-steps li { counter-increment: st; position: relative; margin: 0 !important; padding: 16px 18px 16px 62px; border-radius: 14px; border: 1px solid var(--m-line); background: #fff; }
.ar-steps li::before { content: counter(st); position: absolute; left: 16px; top: 16px; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--m-blue); color: #fff; font-weight: 700; font-size: 0.9rem; }
.ar-steps li > strong:first-child { display: block; margin-bottom: 2px; }

.ar-disclaimer { margin-top: 36px !important; padding-top: 18px; border-top: 1px solid var(--m-line); font-size: 0.86rem; line-height: 1.6; color: var(--m-muted); }

/* ---------- Blog index (blog/index.html) ---------- */
.bl-section { padding-top: 48px; }
.bl-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 0 0 32px; }
.bl-chip {
    display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; border-radius: 50px; cursor: pointer;
    background: #fff; border: 1px solid #d5dfee; font: 600 0.86rem var(--font-primary); color: var(--m-navy);
    transition: border-color .2s ease, background .2s ease;
}
.bl-chip i { font-size: 0.8rem; color: var(--m-blue); }
.bl-chip span { padding: 1px 7px; border-radius: 50px; background: var(--m-tint); font-size: 0.75rem; color: var(--m-muted); }
.bl-chip:hover { border-color: var(--m-blue); }
.bl-chip.is-on { background: var(--m-navy); border-color: var(--m-navy); color: #fff; }
.bl-chip.is-on i { color: var(--m-orange); }
.bl-chip.is-on span { background: rgba(255, 255, 255, 0.15); color: #fff; }
.bl-chip:focus-visible { outline: 3px solid rgba(14, 95, 188, 0.4); outline-offset: 2px; }

.bl-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 0; padding: 0; list-style: none; }
.bl-card[hidden] { display: none; }
.bl-card a {
    display: flex; flex-direction: column; height: 100%; padding: 22px 22px 18px; border-radius: 18px; background: #fff;
    border: 1px solid var(--m-line); text-decoration: none; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.bl-card a:hover { transform: translateY(-4px); border-color: #c9d8ee; box-shadow: 0 18px 38px rgba(31, 48, 84, 0.09); }
.bl-cat { display: inline-flex; align-items: center; gap: 10px; font-size: 0.8rem; font-weight: 700; color: var(--m-muted); }
.bl-cat .pg-ic { width: 34px; height: 34px; border-radius: 10px; font-size: 0.85rem; }
.bl-card h2 { margin: 14px 0 8px; font-family: var(--font-display); font-size: 1.08rem; font-weight: 700; line-height: 1.35; color: var(--m-navy); }
.bl-card p { margin: 0 0 16px; font-size: 0.9rem; line-height: 1.6; color: var(--m-text); }
.bl-more { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-size: 0.84rem; font-weight: 600; color: var(--m-blue); }
.bl-more i { font-size: 0.75rem; }
.bl-more-links { margin: 32px 0 0; text-align: center; font-size: 0.95rem; color: var(--m-text); }
.bl-more-links a { color: var(--m-blue); font-weight: 600; }

/* ---------- Help centre, docs, training, support, community (hp- / dc-) ---------- */
.hp-search { display: flex; align-items: center; gap: 10px; max-width: 620px; margin: 0 auto; height: 56px; padding: 0 18px; border-radius: 16px; background: #fff; border: 1px solid #d5dfee; box-shadow: 0 12px 30px rgba(31, 48, 84, 0.08); }
.hp-search:focus-within { border-color: var(--m-blue); box-shadow: 0 0 0 4px rgba(14, 95, 188, 0.12); }
.hp-search i { color: var(--m-muted); }
.hp-search input { flex: 1; min-width: 0; height: 100%; border: 0; outline: 0; background: transparent; font: 500 1rem var(--font-primary); color: var(--m-navy); }
.hp-empty { margin: 18px 0 0; text-align: center; color: var(--m-muted); }
.hp-empty[hidden], .hp-topic[hidden] { display: none; }
.hp-topic ul { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.hp-topic li a { display: flex; align-items: center; gap: 8px; font-size: 0.92rem; font-weight: 600; color: var(--m-blue); text-decoration: none; }
.hp-topic li a::before { content: '\f105'; font: 900 0.75rem 'Font Awesome 6 Free'; color: var(--m-orange-deep); }
.hp-topic li a:hover { text-decoration: underline; }
.hp-ways { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.hp-ways .cn-way { height: 100%; }
.hp-level { display: inline-block; margin-top: 16px; padding: 3px 10px; border-radius: 50px; background: var(--m-tint); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--m-orange-text); }
.hp-level + h3 { margin-top: 8px; }

/* Documentation layout */
.dc-layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 48px; align-items: start; }
.dc-nav { position: sticky; top: 110px; max-height: calc(100vh - 130px); overflow: auto; padding: 18px; border-radius: 16px; background: var(--m-tint); border: 1px solid var(--m-line); }
.dc-nav .hp-search { height: 44px; margin: 0 0 14px; padding: 0 12px; border-radius: 10px; box-shadow: none; }
.dc-nav .hp-search input { font-size: 0.9rem; }
.dc-nav h2 { margin: 14px 0 6px; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--m-muted); }
.dc-nav ul { margin: 0; padding: 0; list-style: none; }
.dc-nav li[hidden] { display: none; }
.dc-nav a { display: block; padding: 6px 10px; border-radius: 8px; font-size: 0.9rem; color: var(--m-navy); text-decoration: none; }
.dc-nav a:hover, .dc-nav a.is-on { background: #fff; color: var(--m-blue); }
.dc-guide { padding-bottom: 40px; margin-bottom: 40px; border-bottom: 1px solid var(--m-line); scroll-margin-top: 100px; }
.dc-guide:last-child { border-bottom: 0; }
.dc-guide > h2 { margin-top: 0 !important; }
.dc-meta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 6px !important; font-size: 0.85rem; color: var(--m-muted); }
.dc-meta i { margin-right: 5px; color: var(--m-blue); }
.dc-path { display: inline-block; padding: 1px 8px; border-radius: 6px; background: var(--m-tint); border: 1px solid var(--m-line); font-size: 0.9em; font-weight: 600; color: var(--m-navy); white-space: nowrap; }

/* ---------- Sitemap (sitemap.html) ---------- */
.sm-jump { margin: 18px 0 0; }
.sm-jump .bl-chip { text-decoration: none; }
.sm-block[hidden], .sm-card[hidden] { display: none; }
.sm-block { padding: 56px 0; }
.sm-grid { columns: 3 300px; column-gap: 20px; }
.sm-card { break-inside: avoid; margin: 0 0 20px; padding: 20px 20px 16px; border-radius: 16px; background: #fff; border: 1px solid var(--m-line); }
.sm-card h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 12px; font-family: var(--font-display); font-size: 1.02rem; font-weight: 700; color: var(--m-navy); }
.sm-card h3 .pg-ic { width: 34px; height: 34px; border-radius: 10px; font-size: 0.85rem; }
.sm-card h3 small { margin-left: auto; padding: 1px 8px; border-radius: 50px; background: var(--m-tint); font-size: 0.75rem; font-weight: 600; color: var(--m-muted); }
.sm-card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 2px; }
.sm-card li[hidden] { display: none; }
.sm-card a { display: block; padding: 5px 8px; border-radius: 8px; font-size: 0.9rem; line-height: 1.4; color: var(--m-navy); text-decoration: none; }
.sm-card a:hover { background: var(--m-tint); color: var(--m-blue); }
#sm-all > .hp-empty { padding: 0 0 48px; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
    .ar-layout { grid-template-columns: 1fr; gap: 32px; }
    .ar-side { position: static; order: -1; }
    .ar-side .ar-cta { display: none; }
    .bl-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hp-ways { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dc-layout { grid-template-columns: 1fr; gap: 28px; }
    .dc-nav { position: static; max-height: none; }
}
@media (max-width: 640px) {
    .ar-wrap { padding: 36px 0 56px; }
    .ar-body { font-size: 1rem; }
    .ar-steps li { padding-left: 56px; }
    .bl-grid { grid-template-columns: 1fr; }
    .bl-chips { justify-content: flex-start; }
    .hp-ways { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    .bl-card a { transition: none; }
    .bl-card a:hover { transform: none; }
}

/* ================================================
   404 PAGE (nf-)
   ================================================ */
.nf-code { margin: 0 0 6px; font: 900 clamp(4.5rem, 16vw, 8.5rem)/1 var(--font-heading, 'Outfit', sans-serif); letter-spacing: -0.04em; color: var(--m-navy); }
.nf-code span { color: var(--m-orange); }
.nf-path { margin: 4px 0 0; font-size: 0.92rem; color: var(--m-muted); }
.nf-path code { display: inline-block; max-width: 100%; padding: 2px 8px; border-radius: 6px; background: #eef3fa; color: var(--m-navy); font-size: 0.88rem; overflow-wrap: anywhere; }
.nf-guess { display: inline-flex; align-items: center; gap: 10px; margin: 18px auto 0; padding: 10px 16px; border-radius: 12px; background: #fff7e8; border: 1px solid #f7d9a6; color: var(--m-navy); font-size: 0.95rem; text-align: left; }
.nf-guess[hidden] { display: none; }
.nf-guess i { color: var(--m-orange); }
.nf-guess a { font-weight: 700; color: var(--m-blue); text-decoration: underline; text-underline-offset: 3px; }
.nf-search { margin-top: 26px; }
.nf-results { list-style: none; max-width: 620px; margin: 10px auto 0; padding: 6px; border-radius: 16px; background: #fff; border: 1px solid #d5dfee; box-shadow: 0 12px 30px rgba(31, 48, 84, 0.08); text-align: left; }
.nf-results[hidden], .nf-none[hidden] { display: none; }
.nf-results a { display: flex; text-decoration: none; align-items: center; gap: 12px; min-height: 44px; padding: 8px 12px; border-radius: 10px; color: var(--m-navy); font-weight: 600; }
.nf-results a:hover, .nf-results a:focus-visible { background: #eef3fa; color: var(--m-blue); }
.nf-results .nf-t { flex: 1; min-width: 0; }
.nf-results i { color: var(--m-muted); font-size: 0.8rem; }
.nf-tag { flex: none; min-width: 64px; padding: 2px 8px; border-radius: 999px; background: #e6eefa; color: var(--m-blue); font-size: 0.72rem; font-weight: 700; text-align: center; text-transform: uppercase; letter-spacing: 0.04em; }
.nf-none { margin: 12px 0 0; color: var(--m-muted); }
.nf-actions { margin-top: 26px; }
.nf-card { display: block; color: inherit; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.nf-card:hover { transform: translateY(-3px); border-color: var(--m-blue); }
.nf-card h3 { color: var(--m-navy); }
.nf-report { margin: 28px 0 0; text-align: center; color: var(--m-muted); }
.nf-report a { color: var(--m-blue); font-weight: 600; }
@media (prefers-reduced-motion: reduce) {
    .nf-card { transition: none; }
    .nf-card:hover { transform: none; }
}