/* ── Hub pages: /tools/, /guides/, /features/, /solutions/, /use-cases/ ── */

.hub-page {
    --hub-accent: var(--primary, #2563eb);
    --hub-accent-soft: #eff6ff;
    --hub-accent-border: #bfdbfe;
    padding-bottom: 24px;
}

.hub-page--tools {
    --hub-accent: #2563eb;
    --hub-accent-soft: #eff6ff;
    --hub-accent-border: #bfdbfe;
}
.hub-page--guides {
    --hub-accent: #059669;
    --hub-accent-soft: #ecfdf5;
    --hub-accent-border: #a7f3d0;
}
.hub-page--features {
    --hub-accent: #7c3aed;
    --hub-accent-soft: #f5f3ff;
    --hub-accent-border: #ddd6fe;
}
.hub-page--solutions {
    --hub-accent: #ea580c;
    --hub-accent-soft: #fff7ed;
    --hub-accent-border: #fed7aa;
}
.hub-page--usecases {
    --hub-accent: #0891b2;
    --hub-accent-soft: #ecfeff;
    --hub-accent-border: #a5f3fc;
}

/* ── Hero ── */
.hub-hero {
    position: relative;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px 8px;
}
.hub-hero__inner {
    position: relative;
    padding: 36px 32px 32px;
    text-align: center;
    border-radius: var(--radius-lg, 12px);
    border: 1px solid var(--hub-accent-border);
    background: linear-gradient(
        165deg,
        var(--hub-accent-soft) 0%,
        var(--bg-panel, #fff) 55%,
        var(--bg-panel, #fff) 100%
    );
    overflow: hidden;
}
.hub-hero__inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--hub-accent), color-mix(in srgb, var(--hub-accent) 40%, #fff));
}
.hub-hero__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    margin: 0 auto 16px;
    font-size: 1.6rem;
    line-height: 1;
    background: var(--bg-panel, #fff);
    border: 1px solid var(--hub-accent-border);
    border-radius: 14px;
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,.06));
}
.hub-hero__badge {
    display: inline-block;
    margin-bottom: 12px;
    padding: 5px 12px;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--hub-accent);
    background: var(--bg-panel, #fff);
    border: 1px solid var(--hub-accent-border);
    border-radius: 999px;
}
.hub-hero h1 {
    font-size: clamp(1.45rem, 4vw, 2.05rem);
    font-weight: 800;
    letter-spacing: -.02em;
    line-height: 1.22;
    color: var(--text);
    margin: 0 0 12px;
}
.hub-hero .page-hero-lead {
    max-width: 580px;
    margin: 0 auto;
    font-size: 1.02rem;
    line-height: 1.65;
    color: var(--text-secondary);
}

/* ── Stats ── */
.hub-stats-band {
    max-width: 960px;
    margin: 20px auto 0;
    padding: 0 24px;
}
.hub-stats-band .stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    padding: 0;
    overflow: hidden;
    background: var(--hub-accent-border);
    border: 1px solid var(--hub-accent-border);
    border-radius: var(--radius-lg, 12px);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,.06));
}
.hub-stats-band .stat-item {
    text-align: center;
    padding: 18px 12px;
    background: var(--bg-panel, #fff);
}
.hub-stats-band .stat-num {
    display: block;
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--hub-accent);
    line-height: 1.15;
}
.hub-stats-band .stat-label {
    display: block;
    font-size: .78rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: .03em;
}

/* ── Jump nav ── */
.hub-jump-nav {
    position: sticky;
    top: var(--header-height, 56px);
    z-index: 40;
    max-width: 960px;
    margin: 20px auto;
    padding: 8px 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    background: color-mix(in srgb, var(--bg-panel, #fff) 92%, transparent);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 999px;
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,.05));
}
.hub-jump-nav a {
    display: inline-block;
    padding: 7px 14px;
    font-size: .8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 999px;
    transition: color .15s, background .15s;
}
.hub-jump-nav a:hover {
    color: var(--hub-accent);
    background: var(--hub-accent-soft);
    text-decoration: none;
}

/* ── Section panels ── */
.hub-panel {
    max-width: 960px;
    margin: 0 auto 28px;
    padding: 0 24px;
    scroll-margin-top: 110px;
}
.hub-panel__box {
    padding: 24px 26px 26px;
    background: var(--bg-panel, #fff);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg, 12px);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,.04));
}
.hub-panel__box--accent {
    border-color: var(--hub-accent-border);
    background: linear-gradient(180deg, var(--hub-accent-soft) 0%, var(--bg-panel, #fff) 120px);
}
.hub-panel__box--flat {
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}
.hub-panel__box--flush {
    padding: 0;
    border: none;
    box-shadow: none;
    background: transparent;
}
.hub-panel--widget {
    scroll-margin-top: 110px;
}

.hub-section__head {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
}
.hub-section__icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: 1.15rem;
    line-height: 1;
    background: var(--hub-accent-soft);
    border: 1px solid var(--hub-accent-border);
    border-radius: 10px;
}
.hub-section__head h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 4px;
    line-height: 1.3;
}
.hub-section__head .hub-section-lead {
    font-size: .92rem;
    line-height: 1.55;
    color: var(--text-secondary);
    margin: 0;
}

.hub-section {
    scroll-margin-top: 110px;
}

/* ── Cards ── */
.hub-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 10px;
}
.hub-card-grid--dense {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 8px;
}
.hub-card-grid--start {
    grid-template-columns: repeat(3, 1fr);
}
.hub-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px 18px;
    background: var(--bg-panel, #fff);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg, 12px);
    text-decoration: none;
    color: var(--text);
    transition: border-color .15s, box-shadow .15s, transform .15s;
}
.hub-card:hover {
    border-color: var(--hub-accent);
    box-shadow: 0 4px 14px color-mix(in srgb, var(--hub-accent) 12%, transparent);
    transform: translateY(-1px);
    text-decoration: none;
}
.hub-card--start {
    padding: 20px 18px;
    background: var(--hub-accent-soft);
    border-color: var(--hub-accent-border);
}
.hub-card--start:hover {
    background: var(--bg-panel, #fff);
}
.hub-card__icon {
    font-size: 1.35rem;
    line-height: 1;
}
.hub-card__title {
    display: block;
    font-size: .94rem;
    font-weight: 650;
    color: var(--text);
    line-height: 1.35;
}
.hub-card:hover .hub-card__title { color: var(--hub-accent); }
.hub-card__desc {
    display: block;
    font-size: .82rem;
    color: var(--text-secondary);
    line-height: 1.45;
    margin: 0;
}

/* ── Clusters ── */
.hub-cluster {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    scroll-margin-top: 110px;
}
.hub-cluster:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.hub-cluster__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 12px;
    margin-bottom: 12px;
}
.hub-cluster__icon {
    font-size: 1.1rem;
    line-height: 1;
}
.hub-cluster__head h3 {
    flex: 1;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
    min-width: 0;
}
.hub-cluster__count {
    font-size: .72rem;
    font-weight: 700;
    color: var(--hub-accent);
    text-transform: uppercase;
    letter-spacing: .04em;
    padding: 3px 8px;
    background: var(--hub-accent-soft);
    border-radius: 999px;
}
.hub-cluster__more {
    margin-top: 10px;
    font-size: .85rem;
}
.hub-cluster__more a {
    color: var(--hub-accent);
    font-weight: 600;
    text-decoration: none;
}
.hub-cluster__more a:hover { text-decoration: underline; }

/* ── Matrix table ── */
.hub-matrix-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg, 12px);
    background: var(--bg-panel, #fff);
}
.hub-matrix-wrap .content-table {
    margin: 0;
    border: none;
    min-width: 520px;
    font-size: .9rem;
}
.hub-matrix-wrap .content-table th {
    position: sticky;
    top: 0;
    padding: 12px 16px;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--text-secondary);
    background: var(--bg-secondary, #f8fafc);
    border-bottom: 2px solid var(--hub-accent-border);
    z-index: 1;
}
.hub-matrix-wrap .content-table td {
    padding: 11px 16px;
    vertical-align: top;
    border-bottom: 1px solid var(--border-light, #f1f5f9);
}
.hub-matrix-wrap .content-table tbody tr:nth-child(even) td {
    background: var(--bg-secondary, #f8fafc);
}
.hub-matrix-wrap .content-table tbody tr:hover td {
    background: var(--hub-accent-soft);
}
.hub-matrix-wrap .content-table td:first-child {
    color: var(--text-secondary);
    width: 52%;
    line-height: 1.45;
}
.hub-matrix-wrap .content-table td:last-child a {
    font-weight: 600;
    color: var(--hub-accent);
    text-decoration: none;
}
.hub-matrix-wrap .content-table td:last-child a:hover {
    text-decoration: underline;
}

/* ── Steps ── */
.hub-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}
.hub-step {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg, 12px);
}
.hub-step__num {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    font-size: .82rem;
    font-weight: 800;
    color: #fff;
    background: var(--hub-accent);
    border-radius: 8px;
}
.hub-step__body {
    font-size: .92rem;
    line-height: 1.55;
    color: var(--text-secondary);
}
.hub-step__body strong {
    display: block;
    color: var(--text);
    font-weight: 650;
    margin-bottom: 2px;
}

/* ── Tools widget on hubs ── */
.hub-page .tools-widget {
    max-width: none;
    margin: 0;
    padding: 22px 24px;
    border-color: var(--hub-accent-border);
    background: linear-gradient(135deg, var(--hub-accent-soft), var(--bg-panel, #fff));
    border-radius: var(--radius-lg, 12px);
}
.hub-page .tools-widget-title {
    color: var(--text);
}
.hub-page .tools-widget-all-link {
    color: var(--hub-accent);
    border-color: var(--hub-accent-border);
    background: var(--bg-panel, #fff);
}
.hub-page .tools-widget-all-link:hover {
    background: var(--hub-accent);
    border-color: var(--hub-accent);
    color: #fff;
}
.hub-page .tools-widget-link {
    border: 1px solid var(--border);
    background: var(--bg-panel, #fff);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: .82rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--text);
    transition: border-color .15s, color .15s;
}
.hub-page .tools-widget-link:hover {
    border-color: var(--hub-accent);
    color: var(--hub-accent);
    text-decoration: none;
}

/* ── Footer blocks on hub ── */
.hub-page .faq-section,
.hub-page .related-section,
.hub-page .cta-section {
    scroll-margin-top: 110px;
}
.hub-page .related-section {
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}
.hub-page .faq-section {
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 24px 40px;
}
.hub-page .cta-section {
    max-width: 912px;
    border: 1px solid var(--hub-accent-border);
    background: linear-gradient(135deg, var(--hub-accent-soft), var(--bg-panel, #fff));
    color: var(--text);
}
.hub-page .cta-section h2 {
    color: var(--text);
}
.hub-page .cta-section p {
    color: var(--text-secondary);
}
.hub-page .cta-section .btn-primary {
    background: var(--hub-accent);
    border-color: var(--hub-accent);
}
.hub-page .cta-section .btn-outline {
    color: var(--hub-accent);
    border-color: var(--hub-accent-border);
}

/* ── Tools catalog on hub ── */
.hub-page .tools-catalog-block .tools-catalog {
    margin-top: 8px;
}
.hub-page .tools-catalog__notice {
    font-size: .88rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

@media (max-width: 768px) {
    .hub-hero { padding: 0 16px 4px; }
    .hub-hero__inner { padding: 28px 20px 24px; }
    .hub-stats-band,
    .hub-panel,
    .hub-page .related-section,
    .hub-page .faq-section { padding-left: 16px; padding-right: 16px; }
    .hub-jump-nav {
        top: 48px;
        margin: 16px;
        padding: 6px 10px;
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        border-radius: var(--radius-lg, 12px);
        -webkit-overflow-scrolling: touch;
    }
    .hub-jump-nav a { flex-shrink: 0; }
    .hub-stats-band .stats-row { grid-template-columns: 1fr; }
    .hub-card-grid,
    .hub-card-grid--dense,
    .hub-card-grid--start { grid-template-columns: 1fr; }
    .hub-panel__box { padding: 18px 16px 20px; }
    .hub-page .cta-section { margin-left: 16px; margin-right: 16px; }
}