/* =========================================================================
   Help / knowledge base — extends case-study.css + style.css.
   ========================================================================= */

.help-page { padding: 1rem 0 4rem; }

/* Search bar */
.help-search {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: stretch;
    margin-bottom: 1.25rem;
}
.help-search input[type="search"] {
    flex: 1 1 280px;
    min-width: 0;
    padding: 0.65rem 0.9rem;
    font-size: 1rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
}
.help-search input[type="search"]:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 1px;
    border-color: var(--color-accent);
}
.help-search button {
    white-space: nowrap;
}
.help-clear {
    align-self: center;
    color: var(--color-muted);
    font-size: 0.9rem;
    text-decoration: none;
    padding: 0 0.4rem;
}
.help-clear:hover { color: var(--color-accent); }

/* Category pills */
.help-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}
.help-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.88rem;
    color: var(--color-text);
    text-decoration: none;
    background: var(--color-bg);
    transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.help-pill:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}
.help-pill.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}
.help-pill .count {
    font-size: 0.78rem;
    opacity: 0.7;
}
.help-pill.active .count { opacity: 0.9; }

/* Results heading */
.help-results-heading {
    font-size: 1.05rem;
    color: var(--color-muted);
    margin: 1rem 0 0.6rem;
    font-weight: 500;
}

/* Sections (grouped by category) */
.help-section { margin-bottom: 2.25rem; }
.help-section-heading {
    font-size: 1.15rem;
    margin: 0 0 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--color-border);
}

/* Article list */
.help-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.85rem;
}
.help-list-item { margin: 0; }

.help-card {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1rem 1.1rem;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-bg);
    text-decoration: none;
    color: var(--color-text);
    transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
    height: 100%;
}
.help-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
}
.help-card-cat {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
}
.help-card h3 {
    font-size: 1rem;
    margin: 0;
    line-height: 1.35;
}
.help-card p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--color-muted);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Article-page-specific additions */
.help-summary {
    font-size: 1.05rem;
    line-height: 1.55;
    color: var(--color-muted);
    margin: 0.2rem 0 0.6rem;
}

/* Empty state */
.help-empty {
    padding: 1.5rem;
    border: 1px dashed var(--color-border);
    border-radius: 10px;
    text-align: center;
    color: var(--color-muted);
}
.help-empty a { color: var(--color-accent); }

/* CTA at bottom of /help index */
.help-cta {
    margin-top: 2.5rem;
    padding: 1.6rem;
    background: var(--color-soft-bg);
    border-left: 4px solid var(--color-accent);
    border-radius: 8px;
}
.help-cta h3 { margin: 0 0 0.4rem; }
.help-cta p  { margin: 0 0 0.9rem; color: var(--color-muted); }

/* Visually-hidden label for the search input */
.visually-hidden {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}