/* Help centre (fwdia.com/help): the marketing site's look with a docs layout:
   topic list left, article in a readable column, search everywhere, a chat bottom right. */
.hc-hero { background: linear-gradient(180deg, var(--fw-accent-soft), transparent); padding: 56px 0 40px; }
.hc-hero-inner { max-width: 760px; text-align: center; }
.hc-eyebrow { margin: 0 0 8px; font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--fw-accent); }
.hc-hero h1 { margin: 0 0 10px; font-family: var(--fw-font-display); font-size: clamp(2.2rem, 4.8vw, 3.6rem); letter-spacing: -.02em; }
.hc-lede { margin: 0 0 22px; font-size: 1.15rem; line-height: 1.55; color: var(--fw-ink-soft); }
.hc-sub { color: var(--fw-ink-soft); margin: 0 0 16px; line-height: 1.55; }
.hc-h2 { font-size: 1.15rem; font-weight: 700; margin: 36px 0 14px; letter-spacing: -.01em; }

/* search */
.hc-search { position: relative; }
.hc-search input {
    width: 100%; height: 46px; padding: 0 16px 0 44px; border: 1px solid var(--fw-border-strong); border-radius: var(--fw-radius-md);
    background: var(--fw-surface); color: var(--fw-ink); font: inherit; font-size: .9rem; box-shadow: var(--fw-shadow-sm);
}
.hc-search input:focus { outline: none; border-color: var(--fw-accent); box-shadow: 0 0 0 3px var(--fw-accent-soft); }
.hc-search-big input { height: 58px; font-size: 1.15rem; border-radius: var(--fw-radius-lg); padding-left: 50px; }
.hc-search-ico { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--fw-ink-faint); pointer-events: none; }
.hc-search-big .hc-search-ico { left: 18px; }
.hc-suggest {
    position: absolute; left: 0; right: 0; top: calc(100% + 6px); z-index: 30; max-height: min(70vh, 560px); overflow-y: auto; text-align: left;
    background: var(--fw-surface); border: 1px solid var(--fw-border); border-radius: var(--fw-radius-lg); box-shadow: var(--fw-shadow-md); padding: 6px;
}
.hc-suggest-item { display: grid; gap: 2px; padding: 10px 12px; border-radius: var(--fw-radius-md); text-decoration: none; color: var(--fw-ink); }
.hc-suggest-item:hover, .hc-suggest-item.is-active { background: var(--fw-surface-sunk); }
.hc-suggest-item small, .hc-results small { font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--fw-accent); }
.hc-suggest-item b span, .hc-results b span { font-weight: 500; color: var(--fw-ink-soft); }
.hc-suggest-snip, .hc-results-snip { font-size: .86rem; color: var(--fw-ink-soft); line-height: 1.45; }
.hc-suggest-refine { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 6px 8px 8px; border-bottom: 1px solid var(--fw-border); margin-bottom: 4px; font-size: .8rem; color: var(--fw-ink-soft); }
.hc-suggest-refine .hc-chip { padding: 4px 10px; font-size: .8rem; }
.hc-suggest-refine em { font-style: normal; color: var(--fw-ink-faint); }
.hc-suggest-all { display: block; padding: 10px 12px; font-size: .86rem; font-weight: 600; text-decoration: none; }
.hc-suggest-none { margin: 0; padding: 12px; font-size: .9rem; color: var(--fw-ink-soft); }
.hc-linkbtn { border: 0; background: none; padding: 0; font: inherit; color: var(--fw-accent); font-weight: 600; cursor: pointer; text-decoration: underline; }

/* chips (finder, refine, chat) */
.hc-chip {
    display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: var(--fw-radius-pill); border: 1px solid var(--fw-border-strong);
    background: var(--fw-surface); color: var(--fw-ink); font: inherit; font-size: .9rem; font-weight: 550; text-decoration: none; cursor: pointer;
    transition: border-color var(--fw-dur) var(--fw-ease), background-color var(--fw-dur) var(--fw-ease);
}
.hc-chip:hover { border-color: var(--fw-accent); }
.hc-chip.is-on { background: var(--fw-accent); border-color: var(--fw-accent); color: var(--fw-accent-contrast); }
.hc-chip svg { color: var(--fw-accent); flex: none; }
.hc-chip-answer { border-color: var(--fw-accent); color: var(--fw-accent); }

/* home */
.hc-home { padding: 8px var(--mk-gutter) 72px; }
.hc-finder { margin-top: 8px; padding: 26px; border: 1px solid var(--fw-border); border-radius: var(--fw-radius-lg); background: var(--fw-surface); box-shadow: var(--fw-shadow-sm); }
.hc-finder h2 { margin: 0 0 4px; font-size: 1.15rem; }
.hc-finder-step { display: flex; flex-wrap: wrap; gap: 8px; }
.hc-finder-path { list-style: none; margin: 0 0 12px; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 6px; font-size: .86rem; }
.hc-finder-path:empty { display: none; }
.hc-finder-path li + li::before { content: '›'; margin-right: 6px; color: var(--fw-ink-faint); }
.hc-topics { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.hc-topic { align-content: start;
    display: grid; gap: 4px; padding: 18px; border: 1px solid var(--fw-border); border-radius: var(--fw-radius-lg); background: var(--fw-surface);
    text-decoration: none; color: var(--fw-ink); transition: border-color var(--fw-dur) var(--fw-ease), box-shadow var(--fw-dur) var(--fw-ease);
}
.hc-topic:hover { border-color: var(--fw-accent); box-shadow: var(--fw-shadow-sm); }
.hc-topic-ico { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: var(--fw-radius-md); background: var(--fw-accent-soft); color: var(--fw-accent); margin-bottom: 6px; }
.hc-topic small { color: var(--fw-ink-soft); font-size: .86rem; line-height: 1.45; }
.hc-topic em { font-style: normal; font-size: .8rem; color: var(--fw-ink-faint); margin-top: 4px; }
.hc-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.hc-list a { display: grid; gap: 2px; padding: 14px 16px; border: 1px solid var(--fw-border); border-radius: var(--fw-radius-md); background: var(--fw-surface); text-decoration: none; color: var(--fw-ink); }
.hc-list a:hover { border-color: var(--fw-accent); }
.hc-list small { color: var(--fw-ink-soft); font-size: .86rem; line-height: 1.45; }
.hc-list-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.hc-pro { display: inline-block; margin-left: 4px; padding: 1px 7px; border-radius: var(--fw-radius-pill); background: var(--fw-accent-soft); color: var(--fw-accent); font-size: .72rem; font-weight: 700; vertical-align: 2px; }

/* docs layout */
.hc-shell { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 40px; padding-top: 28px; padding-bottom: 80px; align-items: start; }
.hc-nav { position: sticky; top: 16px; display: grid; gap: 2px; font-size: .9rem; max-height: calc(100vh - 32px); overflow-y: auto; padding-bottom: 12px; }
.hc-nav a { color: var(--fw-ink-soft); text-decoration: none; }
.hc-nav a:hover { color: var(--fw-ink); }
.hc-nav a[aria-current="page"] { color: var(--fw-accent); font-weight: 650; }
.hc-nav-home { font-weight: 700; color: var(--fw-ink) !important; padding: 6px 10px; margin-bottom: 4px; }
.hc-nav-group summary { list-style: none; padding: 6px 10px; border-radius: var(--fw-radius-sm); cursor: pointer; font-weight: 600; }
.hc-nav-group summary::-webkit-details-marker { display: none; }
.hc-nav-group summary:hover { background: var(--fw-surface-sunk); }
.hc-nav-group ul { list-style: none; margin: 2px 0 8px; padding: 0 0 0 12px; border-left: 1px solid var(--fw-border); margin-left: 10px; display: grid; gap: 1px; }
.hc-nav-group li a { display: block; padding: 5px 10px; border-radius: var(--fw-radius-sm); line-height: 1.35; }
.hc-nav-contact { margin-top: 14px; padding: 6px 10px; font-weight: 600; color: var(--fw-accent) !important; }
.hc-main { min-width: 0; max-width: 780px; }
.hc-main > .hc-search { margin-bottom: 22px; }
.hc-crumbs { font-size: .86rem; color: var(--fw-ink-soft); margin-bottom: 10px; }
.hc-crumbs a { color: var(--fw-ink-soft); }
.hc-title { font-family: var(--fw-font-display); font-size: clamp(1.6rem, 2.6vw, 2.2rem); letter-spacing: -.02em; margin: 0 0 10px; }
.hc-toc { margin: 18px 0 26px; padding: 14px 18px; border: 1px solid var(--fw-border); background: var(--fw-surface-sunk); border-radius: var(--fw-radius-md); font-size: .9rem; }
.hc-toc b { display: block; margin-bottom: 6px; font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--fw-ink-soft); }
.hc-toc ul { margin: 0; padding-left: 18px; display: grid; gap: 3px; }

/* article text */
.hc-body { font-size: 1rem; line-height: 1.7; color: var(--fw-ink); }
.hc-body h2 { font-size: 1.3rem; margin: 36px 0 12px; letter-spacing: -.01em; scroll-margin-top: 88px; }
.hc-body h3 { font-size: 1.15rem; margin: 26px 0 10px; scroll-margin-top: 88px; }
.hc-body h4 { font-size: 1rem; margin: 20px 0 8px; }
.hc-body p { margin: 0 0 14px; }
.hc-body ul, .hc-body ol { margin: 0 0 16px; padding-left: 22px; }
.hc-body li { margin: 4px 0; }
.hc-body code { padding: 1px 6px; border-radius: var(--fw-radius-xs); background: var(--fw-surface-sunk); font-family: var(--fw-font-mono); font-size: .88em; }
.hc-body a { color: var(--fw-accent); }
.hc-callout { margin: 0 0 18px; padding: 12px 16px; border-radius: var(--fw-radius-md); background: var(--fw-accent-soft); font-size: .9rem; line-height: 1.6; }
.hc-callout-important { background: var(--fw-highlight-soft); }
.hc-callout-pro, .hc-callout-business { background: var(--fw-surface-sunk); border: 1px dashed var(--fw-border-strong); }
.hc-table { overflow-x: auto; margin: 0 0 18px; border: 1px solid var(--fw-border); border-radius: var(--fw-radius-md); }
.hc-table table { width: 100%; border-collapse: collapse; font-size: .9rem; line-height: 1.5; }
.hc-table th, .hc-table td { padding: 10px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--fw-border); }
.hc-table tr:last-child td { border-bottom: 0; }
.hc-table th { background: var(--fw-surface-sunk); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--fw-ink-soft); }
.hc-table td:first-child { width: 34%; }
.hc-helpful { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 40px 0 0; padding: 16px 0; border-top: 1px solid var(--fw-border); font-weight: 600; }
.hc-helpful p { flex-basis: 100%; margin: 4px 0 0; font-weight: 400; color: var(--fw-ink-soft); }
.hc-helpful [hidden] { display: none; }
.hc-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.hc-pager a { display: grid; gap: 2px; padding: 14px 16px; border: 1px solid var(--fw-border); border-radius: var(--fw-radius-md); text-decoration: none; color: var(--fw-ink); }
.hc-pager a:hover { border-color: var(--fw-accent); }
.hc-pager small { color: var(--fw-ink-soft); }
.hc-pager-next { text-align: right; grid-column: 2; }
.hc-refine { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 18px; }
.hc-refine .hc-chip { padding: 6px 12px; font-size: .86rem; }
.hc-results { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.hc-results a { display: grid; gap: 3px; padding: 14px 16px; border: 1px solid var(--fw-border); border-radius: var(--fw-radius-md); text-decoration: none; color: var(--fw-ink); background: var(--fw-surface); }
.hc-results a:hover { border-color: var(--fw-accent); }

/* help chat */
.hc-chat { position: fixed; right: 20px; bottom: 20px; z-index: 50; }
.hc-chat-open {
    display: inline-flex; align-items: center; gap: 8px; padding: 12px 18px; border: 0; border-radius: var(--fw-radius-pill);
    background: var(--fw-accent); color: var(--fw-accent-contrast); font: inherit; font-weight: 650; box-shadow: var(--fw-shadow-md); cursor: pointer;
}
.hc-chat-open[aria-expanded="true"] { display: none; }
.hc-chat-panel {
    width: min(380px, calc(100vw - 24px)); height: min(560px, calc(100dvh - 40px)); display: flex; flex-direction: column;
    background: var(--fw-surface); border: 1px solid var(--fw-border); border-radius: var(--fw-radius-lg); box-shadow: var(--fw-shadow-md); overflow: hidden;
}
.hc-chat-panel[hidden] { display: none; }
.hc-chat-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 14px 16px; background: var(--fw-accent); color: var(--fw-accent-contrast); }
.hc-chat-head small { display: block; font-size: .8rem; opacity: .85; }
.hc-chat-close { border: 0; background: none; color: inherit; padding: 4px; line-height: 0; cursor: pointer; border-radius: 50%; }
.hc-chat-log { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; background: var(--fw-paper); }
.hc-msg { max-width: 92%; padding: 10px 12px; border-radius: var(--fw-radius-md); font-size: .9rem; line-height: 1.5; }
.hc-msg p { margin: 0; }
.hc-msg.is-me { align-self: flex-end; background: var(--fw-accent); color: var(--fw-accent-contrast); border-bottom-right-radius: var(--fw-radius-xs); }
.hc-msg.is-bot { align-self: flex-start; background: var(--fw-surface); border: 1px solid var(--fw-border); border-bottom-left-radius: var(--fw-radius-xs); }
.hc-msg-links { margin: 8px 0 0; padding-left: 18px; }
.hc-msg-links a { color: var(--fw-accent); font-weight: 600; }
.hc-msg-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.hc-msg-chips .hc-chip { padding: 5px 10px; font-size: .8rem; }
.hc-typing { display: inline-flex; gap: 4px; }
.hc-typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--fw-ink-faint); animation: hc-pulse 1s infinite ease-in-out; }
.hc-typing i:nth-child(2) { animation-delay: .15s; } .hc-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes hc-pulse { 0%, 80%, 100% { opacity: .3; } 40% { opacity: 1; } }
.hc-chat-form { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--fw-border); background: var(--fw-surface); }
.hc-chat-form input { flex: 1; min-width: 0; height: 40px; padding: 0 12px; border: 1px solid var(--fw-border-strong); border-radius: var(--fw-radius-pill); font: inherit; font-size: .9rem; }
.hc-chat-form input:focus { outline: none; border-color: var(--fw-accent); }
.hc-chat-form button { width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--fw-accent); color: var(--fw-accent-contrast); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; }

@media (max-width: 900px) {
    .hc-shell { grid-template-columns: 1fr; gap: 16px; }
    .hc-nav { position: static; max-height: none; border-bottom: 1px solid var(--fw-border); padding-bottom: 12px; }
    .hc-nav-group:not([open]) { display: none; }
}
@media (max-width: 560px) {
    .hc-pager { grid-template-columns: 1fr; }
    .hc-pager-next { grid-column: 1; text-align: left; }
    .hc-chat { right: 12px; bottom: 12px; }
    .hc-chat-open span { display: none; }
}
@media (prefers-reduced-motion: reduce) { .hc-typing i { animation: none; opacity: .6; } .hc-chip, .hc-topic { transition: none; } }