/* ============================================================
   THE REF PAGE
   Hub Pages
   ============================================================ */


/* ============================================================
   1. HUB SHELL
   ============================================================ */

.hub-page {
    width: 100%;

    overflow: hidden;
}


/* ------------------------------------------------------------
   Hub header
   ------------------------------------------------------------ */

.hub-header {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr) auto;

    align-items: end;

    gap: var(--space-6);

    padding: clamp(1.25rem, 2vw, 2rem);

    border-bottom: var(--border-width) solid var(--color-border);

    background: var(--color-surface-2);
}

.hub-header-copy {
    min-width: 0;
}

.hub-header h1 {
    max-width: 900px;

    margin-bottom: var(--space-4);

    font-size: var(--heading-md);
}

.hub-lead {
    max-width: 850px;

    margin-bottom: 0;

    font-size: var(--text-lg);
    font-weight: 550;

    line-height: 1.55;
}

.hub-header-meta {
    display: flex;
    flex-direction: column;

    align-items: flex-end;

    gap: var(--space-1);

    color: var(--color-text-muted);

    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;

    line-height: 1.4;

    letter-spacing: 0.05em;
    text-align: right;
    text-transform: uppercase;

    white-space: nowrap;
}


/* ============================================================
   2. HUB OVERVIEW
   ============================================================ */

.hub-overview {
    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    width: 100%;

    border-bottom: var(--border-width) solid var(--color-border);
}

.hub-stat {
    min-width: 0;

    padding:
        var(--space-4) clamp(var(--space-4), 2vw, var(--space-5));

    border-right: 1px solid var(--color-border-soft);

    background: var(--color-bg);
}

.hub-stat:last-child {
    border-right: 0;
}

.hub-stat-value {
    display: block;

    margin-bottom: var(--space-1);

    color: var(--color-accent);

    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.5vw, 2.25rem);
    font-weight: 850;
    font-stretch: var(--font-stretch-display);

    line-height: 1;
}

.hub-stat-label {
    color: var(--color-text-muted);

    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;

    line-height: 1.35;

    letter-spacing: 0.05em;
    text-transform: uppercase;
}


/* ============================================================
   3. HUB NAVIGATION
   ============================================================ */

.hub-navigation {
    padding: var(--space-4);

    border-bottom: var(--border-width) solid var(--color-border);

    background: var(--color-surface);
}

.hub-navigation .eyebrow {
    display: block;
}

.hub-navigation-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;

    gap: var(--space-2);
}


/* ============================================================
   4. HUB SECTIONS
   ============================================================ */

.hub-section {
    width: 100%;

    border-bottom:
        var(--border-width) solid var(--color-border);
}

.hub-section:last-child {
    border-bottom: 0;
}


/* ------------------------------------------------------------
   Header icon colors
   Matches global category badge colors
   ------------------------------------------------------------ */


/* Tech */

.hub-icon--tech {
    background:
        var(--color-teal);

    color:
        #ffffff;
}


/* Web */

.hub-icon--web {
    background:
        var(--color-blue);

    color:
        #ffffff;
}


/* Creator */

.hub-icon--creator {
    background:
        var(--color-accent);

    color:
        var(--color-accent-text);
}


/* Tools */

.hub-icon--tools {
    background:
        var(--color-green);

    color:
        #ffffff;
}


/* General reference */

.hub-icon--reference {
    background:
        var(--color-text);

    color:
        var(--color-bg);
}


/* ------------------------------------------------------------
   Header icon colors - dark mode
   ------------------------------------------------------------ */

:root[data-theme="dark"] .hub-icon--tech,
:root[data-theme="dark"] .hub-icon--web,
:root[data-theme="dark"] .hub-icon--tools {
    color:
        #111311;
}


@media (prefers-color-scheme: dark) {

    :root:not([data-theme]) .hub-icon--tech,
    :root:not([data-theme]) .hub-icon--web,
    :root:not([data-theme]) .hub-icon--tools {
        color:
            #111311;
    }

}


/* ============================================================
   5. HUB CARD GRID
   ============================================================ */

.hub-card-grid {
    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 1px;

    width: 100%;

    background: var(--color-border);
}

/* ------------------------------------------------------------
   Grid column variants
   ------------------------------------------------------------ */

.hub-card-grid--4 {
    grid-template-columns:
        repeat(4, minmax(0, 1fr));
}

.hub-card-grid--3 {
    grid-template-columns:
        repeat(3, minmax(0, 1fr));
}

.hub-card-grid--2 {
    grid-template-columns:
        repeat(2, minmax(0, 1fr));
}

.hub-card-grid--1 {
    grid-template-columns: 1fr;
}


/* ============================================================
   6. HUB CARD
   ============================================================ */

.hub-card {
    display: flex;
    flex-direction: column;

    min-width: 0;
    min-height: 215px;

    padding: clamp(1rem, 1.5vw, 1.35rem);

    background: var(--color-surface);

    transition:
        background var(--transition-fast);
}

.hub-card:hover {
    background: var(--color-surface-2);
}


/* ------------------------------------------------------------
   Card top
   ------------------------------------------------------------ */

.hub-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: var(--space-3);

    margin-bottom: var(--space-4);
}

.hub-card-icon {
    display: grid;
    place-items: center;

    flex: 0 0 auto;

    width: 42px;
    height: 42px;

    border: var(--border-width) solid var(--color-border);

    background: var(--color-bg);
    color: var(--color-text);

    font-size: 1.05rem;
}

.hub-card-icon i {
    pointer-events: none;
}


/* ------------------------------------------------------------
   Popular rank
   ------------------------------------------------------------ */

.hub-card-rank {
    color: var(--color-text);

    font-family: var(--font-display);
    font-size: 1.65rem;
    font-weight: 850;
    font-stretch: var(--font-stretch-display);

    line-height: 1;
}


/* ------------------------------------------------------------
   Card content
   ------------------------------------------------------------ */

.hub-card h2,
.hub-card h3 {
    margin-bottom: var(--space-3);

    font-size: clamp(1.15rem, 1.6vw, 1.45rem);

    line-height: 1.05;
}

.hub-card-title {
    color: var(--color-text);

    text-decoration: none;
}

.hub-card-title:hover {
    color: var(--color-accent);
}

.hub-card-description {
    margin-bottom: var(--space-4);

    color: var(--color-text-muted);

    font-family: var(--font-mono);
    font-size: var(--text-xs);

    line-height: 1.5;
}

.hub-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: var(--space-3);

    margin-top: auto;
}

.hub-card-meta {
    color: var(--color-text-muted);

    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;

    line-height: 1.3;

    letter-spacing: 0.04em;
    text-transform: uppercase;
}


/* ============================================================
   7. HUB FOOTER NOTE
   ============================================================ */

.hub-note {
    padding: clamp(1rem, 2vw, 1.5rem);

    background: var(--color-surface-2);
}

.hub-note p {
    max-width: 850px;

    margin-bottom: var(--space-3);
}

.hub-note p:last-child {
    margin-bottom: 0;
}


/* ============================================================
   8. RESPONSIVE
   ============================================================ */

@media (max-width: 1050px) {

    .hub-card-grid,
    .hub-card-grid--3,
    .hub-card-grid--4 {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

    .hub-card-grid--2 {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

    .hub-card-grid--1 {
        grid-template-columns: 1fr;
    }
}


@media (max-width: 760px) {

    /* ------------------------------------------------------------
       Hub header
       ------------------------------------------------------------ */

    .hub-header {
        grid-template-columns: 1fr;

        align-items: start;

        gap: var(--space-4);
    }

    .hub-header-meta {
        align-items: flex-start;

        text-align: left;
    }


    /* ------------------------------------------------------------
       Overview
       ------------------------------------------------------------ */

    .hub-overview {
        grid-template-columns: 1fr;
    }

    .hub-stat {
        border-right: 0;
        border-bottom: 1px solid var(--color-border-soft);
    }

    .hub-stat:last-child {
        border-bottom: 0;
    }
}


@media (max-width: 560px) {

    /* ------------------------------------------------------------
       Card grids
       ------------------------------------------------------------ */

    .hub-card-grid,
    .hub-card-grid--1,
    .hub-card-grid--2,
    .hub-card-grid--3,
    .hub-card-grid--4 {
        grid-template-columns: 1fr;
    }


    /* ------------------------------------------------------------
       Cards
       ------------------------------------------------------------ */

    .hub-card {
        min-height: 190px;
    }

    .hub-card-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .hub-card-footer .button {
        width: 100%;
    }
}