/* =========================================================
   MINDTHINKMEDIA — ARTICLE READING EXPERIENCE
   Design concept: "The Shelf"
   A personal library where every piece — AI, finance,
   health, a book review, a movie take — is simply a
   different spine on the same shelf. One neutral,
   paper-and-ink reading room; each article carries its
   own spine colour as its only ornament.
========================================================= */


/* =========================================================
   DESIGN TOKENS
   (namespaced so this page can layer safely over a
   site-wide style.css without fighting existing variables)
========================================================= */

.article-page,
.reading-progress {

    /* Paper + ink */
    --mtm-paper: #FAF9F5;
    --mtm-surface: #FFFFFF;
    --mtm-ink: #1C1B1A;
    --mtm-ink-soft: #58554E;
    --mtm-rule: #E7E2D6;

    /* Brand accent (default / fallback spine) */
    --mtm-teal: #1E5F5B;
    --mtm-gold: #B8862E;

    /* Type */
    --mtm-display: "Fraunces", "Iowan Old Style", Georgia, serif;
    --mtm-body: "Source Serif 4", Georgia, "Times New Roman", serif;
    --mtm-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

    /* Default working spine colour — overridden per-article by JS
       via style="--spine-color: #hex" on this element */
    --spine-color: var(--mtm-teal);

    background: var(--mtm-paper);
    color: var(--mtm-ink);
    font-family: var(--mtm-body);
}


/* =========================================================
   READING PROGRESS
   A thin line that fills as you move through the piece —
   the page as a bookmark ribbon, not a decoration.
========================================================= */

.reading-progress {

    position: fixed;
    top: 0;
    left: 0;
    z-index: 60;

    width: 100%;
    height: 3px;

    background: transparent;
    pointer-events: none;

}


.reading-progress-bar {

    height: 100%;
    width: 0%;

    background: var(--spine-color);

    transition: width 0.1s linear;

}


@media (prefers-reduced-motion: reduce) {

    .reading-progress-bar {

        transition: none;

    }

}


/* =========================================================
   ARTICLE HEADER
========================================================= */

.article-header-section {

    position: relative;

    padding:
        56px
        0
        46px;

}


/* The spine: a vertical rule that runs the height of the
   header block, colour-coded to the article's category —
   like a book standing on the shelf. */

.article-header-section .container {

    position: relative;

    padding-left: 30px;

    border-left: 3px solid var(--spine-color);

}


@media (max-width: 700px) {

    .article-header-section .container {

        padding-left: 20px;

    }

}


.article-breadcrumb {

    display: flex;

    align-items: center;

    flex-wrap: wrap;

    gap: 8px;

    margin-bottom: 26px;

    font-family: var(--mtm-mono);
    font-size: 0.76rem;
    letter-spacing: 0.02em;

    color: var(--mtm-ink-soft);

}


.article-breadcrumb a {

    color: inherit;

    text-decoration: none;

}


.article-breadcrumb a:hover {

    color: var(--spine-color);

    text-decoration: underline;

}


.article-category {

    display: inline-flex;

    align-items: center;

    margin-bottom: 20px;

    padding:
        6px
        14px;

    border-radius: 999px;

    background: color-mix(in srgb, var(--spine-color) 12%, transparent);

    color: var(--spine-color);

    font-family: var(--mtm-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.09em;
    text-transform: uppercase;

}


.article-title {

    max-width: 900px;

    margin: 0;

    font-family: var(--mtm-display);
    font-weight: 600;
    font-size:
        clamp(
            2.15rem,
            4.8vw,
            3.9rem
        );

    line-height: 1.1;
    letter-spacing: -0.01em;

    color: var(--mtm-ink);

}


.article-excerpt {

    max-width: 700px;

    margin:
        22px
        0
        30px;

    font-family: var(--mtm-body);
    font-style: italic;
    font-size: 1.2rem;
    line-height: 1.7;

    color: var(--mtm-ink-soft);

}


/* =========================================================
   ARTICLE META
========================================================= */

.article-meta {

    display: flex;

    align-items: center;

    justify-content: space-between;

    flex-wrap: wrap;

    gap: 20px;

    max-width: 900px;

    padding-top: 22px;

    border-top: 1px solid var(--mtm-rule);

}


.article-author {

    display: flex;

    align-items: center;

    gap: 12px;

}


.author-avatar {

    width: 40px;

    height: 40px;

    display: grid;

    place-items: center;

    border-radius: 50%;

    background: var(--spine-color);

    color: var(--mtm-paper);

    font-family: var(--mtm-display);
    font-weight: 700;

}


.article-author > div:last-child {

    display: flex;

    flex-direction: column;

    gap: 3px;

}


.article-author strong {

    font-family: var(--mtm-body);
    font-size: 0.95rem;
    font-weight: 600;

}


.article-author span {

    font-family: var(--mtm-mono);
    font-size: 0.74rem;
    letter-spacing: 0.01em;

    color: var(--mtm-ink-soft);

}


.meta-dot {

    margin:
        0
        6px;

}


.article-reading-time {

    display: flex;

    align-items: center;

    gap: 7px;

    font-family: var(--mtm-mono);
    font-size: 0.76rem;
    letter-spacing: 0.02em;

    color: var(--mtm-ink-soft);

}


/* =========================================================
   FEATURED IMAGE
========================================================= */

.article-featured-section {

    padding-bottom: 55px;

}


.article-featured-image {

    margin: 0;

    position: relative;

}


.article-featured-image img {
    display: block;
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
    border-radius: 6px;
}


.article-featured-image figcaption {

    margin-top: 12px;

    padding-left: 2px;

    text-align: left;

    font-family: var(--mtm-mono);
    font-size: 0.74rem;
    letter-spacing: 0.01em;

    color: var(--mtm-ink-soft);

}


/* =========================================================
   ARTICLE LAYOUT
========================================================= */

.article-content-section {

    padding:
        10px
        0
        90px;

}


.article-layout {

    display: grid;

    grid-template-columns:
        minmax(0, 720px)
        280px;

    justify-content: center;

    gap: 76px;

    align-items: start;

}


.article-body {

    min-width: 0;

}


/* =========================================================
   ARTICLE CONTENT
========================================================= */

.article-content {

    font-family: var(--mtm-body);
    font-size: 1.14rem;
    line-height: 1.85;

    color: var(--mtm-ink);

}


.article-content > p:first-child {

    font-size: 1.28rem;
    line-height: 1.75;

}


.article-content > p:first-child::first-letter {

    float: left;

    padding: 4px 8px 0 0;

    font-family: var(--mtm-display);
    font-weight: 600;
    font-size: 3.6em;
    line-height: 0.85;

    color: var(--spine-color);

}


.article-content p {

    margin:
        0
        0
        1.5rem;

}


.article-content h2 {

    margin:
        3.4rem
        0
        1.1rem;

    padding-top: 0.2rem;

    font-family: var(--mtm-display);
    font-weight: 600;
    font-size:
        clamp(
            1.5rem,
            2.6vw,
            1.95rem
        );

    line-height: 1.3;
    letter-spacing: -0.005em;

    color: var(--mtm-ink);

}


.article-content h3 {

    margin:
        2.3rem
        0
        0.75rem;

    font-family: var(--mtm-display);
    font-weight: 600;
    font-size: 1.3rem;
    line-height: 1.4;

}


/* =========================================================
   ARTICLE LISTS
========================================================= */

.article-content ul {
    list-style: disc outside;

    margin:
        0
        0
        1.6rem;

    padding-left: 1.8rem;
}


.article-content ol {
    list-style: decimal outside;

    margin:
        0
        0
        1.6rem;

    padding-left: 1.8rem;
}


.article-content li {
    display: list-item;

    margin-bottom: 0.7rem;

    padding-left: 0.25rem;
}


.article-content li::marker {
    color: var(--spine-color);
}


.article-content strong {

    font-weight: 700;

}


.article-content a {

    color: var(--spine-color);

    font-weight: 600;

    text-decoration-thickness: 1px;
    text-underline-offset: 3px;

    transition: color 0.15s ease;

}


.article-content a:hover {

    color: var(--mtm-gold);

}


.article-content blockquote {

    margin:
        2.1rem
        0;

    padding:
        4px
        0
        4px
        24px;

    border-left:
        3px
        solid
        var(--spine-color);

    background: transparent;

    font-family: var(--mtm-display);
    font-style: italic;
    font-size: 1.3rem;
    line-height: 1.55;

    color: var(--mtm-ink);

}


.article-content img {

    display: block;

    width: 100%;

    height: auto;

    margin:
        2.6rem
        0;

    border-radius: 6px;

}

/* =========================================================
   INLINE ARTICLE IMAGES
   Images inserted through the CMS content editor
========================================================= */

.article-content .article-inline-image {

    width: 100%;

    margin:
        2.8rem
        0;

}


.article-content .article-inline-image img {

    display: block;

    width: 100%;

    height: auto;

    margin: 0;

    border-radius: 6px;

    object-fit: cover;

}


.article-content .article-inline-image figcaption {

    max-width: 92%;

    margin:
        11px
        auto
        0;

    font-family: var(--mtm-mono);

    font-size: 0.72rem;

    line-height: 1.6;

    letter-spacing: 0.01em;

    text-align: center;

    color: var(--mtm-ink-soft);

}

.article-content .article-inline-image {

    margin:
        2.2rem
        0;

}


.article-content .article-inline-image figcaption {

    max-width: 100%;

    margin-top: 9px;

    padding:
        0
        4px;

    font-size: 0.68rem;

    line-height: 1.55;

}

.article-content table {

    width: 100%;

    margin:
        2rem
        0;

    border-collapse: collapse;

    font-size: 0.95rem;

}


.article-content th,
.article-content td {

    padding:
        13px
        16px;

    border:
        1px
        solid
        var(--mtm-rule);

    text-align: left;

}


.article-content th {

    font-family: var(--mtm-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;

    background: color-mix(in srgb, var(--spine-color) 6%, var(--mtm-surface));

}


/* =========================================================
   TABLE OF CONTENTS
========================================================= */

.article-toc {

    margin:
        0
        0
        38px;

    border:
        1px
        solid
        var(--mtm-rule);

    border-radius: 10px;

    overflow: hidden;

    background: var(--mtm-surface);

}


.toc-header {

    width: 100%;

    display: flex;

    align-items: center;

    justify-content: space-between;

    padding:
        16px
        20px;

    border: 0;

    background: transparent;

    color: inherit;

    font-family: var(--mtm-mono);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;

    cursor: pointer;

    transition: color 0.15s ease;

}


.toc-header:hover {

    color: var(--spine-color);

}


.toc-content {

    display: block;

    padding:
        2px
        20px
        18px;

}


.toc-content a {

    display: block;

    padding:
        7px
        0;

    color: var(--mtm-ink-soft);

    text-decoration: none;

    font-family: var(--mtm-body);
    font-size: 0.95rem;

    border-bottom: 1px dashed transparent;

    transition:
        color 0.15s ease,
        border-color 0.15s ease;

}


.toc-content a:hover {

    color: var(--spine-color);

    border-bottom-color: var(--spine-color);

}


.toc-content .toc-subitem {

    padding-left: 18px;

    font-size: 0.87rem;

}


/* =========================================================
   CONCLUSION
========================================================= */

.article-conclusion {

    margin-top: 58px;

    padding:
        28px
        30px;

    border-radius: 10px;

    border-left: 3px solid var(--spine-color);

    background: color-mix(in srgb, var(--spine-color) 5%, var(--mtm-surface));

}


.article-conclusion-label {

    display: block;

    margin-bottom: 14px;

    font-family: var(--mtm-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.1em;

    color: var(--spine-color);

}


.article-conclusion p:last-child {

    margin-bottom: 0;

}


/* =========================================================
   ARTICLE CTA
========================================================= */

.article-cta {

    margin-top: 52px;

    padding:
        44px
        30px;

    text-align: center;

    border-radius: 12px;

    background: var(--mtm-ink);

    color: var(--mtm-paper);

}


.article-cta-icon {

    display: block;

    margin-bottom: 14px;

    font-size: 1.5rem;

    color: var(--spine-color);

}


.article-cta h2 {

    margin:
        0
        0
        10px;

    font-family: var(--mtm-display);
    font-weight: 600;

}


.article-cta p {

    max-width: 520px;

    margin:
        0
        auto
        24px;

    font-family: var(--mtm-body);

    color: color-mix(in srgb, var(--mtm-paper) 75%, transparent);

}


.article-cta .primary-button {

    display: inline-block;

    padding:
        13px
        26px;

    border-radius: 999px;

    background: var(--spine-color);

    color: var(--mtm-paper);

    font-weight: 600;
    text-decoration: none;

    transition:
        background 0.15s ease,
        transform 0.15s ease;

}


.article-cta .primary-button:hover {

    background: var(--mtm-gold);

    transform: translateY(-2px);

}


/* =========================================================
   SIDEBAR
========================================================= */

.article-sidebar {

    position: sticky;

    top: 90px;

}


.sidebar-card {

    margin-bottom: 22px;

    padding:
        24px;

    border:
        1px
        solid
        var(--mtm-rule);

    border-radius: 10px;

    background: var(--mtm-surface);

}


.sidebar-label {

    display: block;

    margin-bottom: 10px;

    font-family: var(--mtm-mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.1em;

    color: var(--spine-color);

}


.sidebar-card h3 {

    margin:
        0
        0
        10px;

    font-family: var(--mtm-display);
    font-weight: 600;
    font-size: 1.1rem;

}


.sidebar-card p {

    margin:
        0
        0
        15px;

    font-family: var(--mtm-body);
    font-size: 0.9rem;
    line-height: 1.7;

    color: var(--mtm-ink-soft);

}


.sidebar-link {

    font-family: var(--mtm-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.02em;

    color: var(--spine-color);

    text-decoration: none;

}


.sidebar-link:hover {

    color: var(--mtm-gold);

}


.sidebar-categories {

    display: flex;

    flex-direction: column;

    gap: 2px;

}


.sidebar-categories a {

    padding: 8px 0;

    color: var(--mtm-ink-soft);

    font-size: 0.9rem;

    text-decoration: none;

    border-bottom: 1px solid var(--mtm-rule);

    transition: color 0.15s ease, padding-left 0.15s ease;

}


.sidebar-categories a:last-child {

    border-bottom: 0;

}


.sidebar-categories a:hover {

    color: var(--spine-color);

    padding-left: 4px;

}


.sidebar-related {

    display: flex;

    flex-direction: column;

}


.sidebar-related-item {

    display: block;

    padding:
        13px
        0
        13px
        14px;

    border-left: 2px solid var(--card-spine, var(--mtm-rule));

    border-bottom:
        1px
        solid
        var(--mtm-rule);

    text-decoration: none;

    transition: border-left-color 0.15s ease;

}


.sidebar-related-item:last-child {

    border-bottom: 0;

}


.sidebar-related-item:hover {

    border-left-color: var(--card-spine, var(--spine-color));

}


.sidebar-related-item span {

    display: block;

    margin-bottom: 5px;

    font-family: var(--mtm-mono);
    font-size: 0.66rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;

    color: var(--card-spine, var(--spine-color));

}


.sidebar-related-item strong {

    display: block;

    font-family: var(--mtm-body);
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.45;

    color: var(--mtm-ink);

}


/* =========================================================
   RELATED ARTICLES
========================================================= */

.related-section {

    padding:
        72px
        0
        100px;

    border-top: 1px solid var(--mtm-rule);

}


.related-section .eyebrow {

    font-family: var(--mtm-mono);
    font-size: 0.74rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;

    color: var(--mtm-ink-soft);

}


.related-section h2 {

    margin-top: 8px;

    font-family: var(--mtm-display);
    font-weight: 600;

    color: var(--mtm-ink);

}


.related-grid {

    display: grid;

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

    gap: 26px;

}


.related-card {

    overflow: hidden;

    border:
        1px
        solid
        var(--mtm-rule);

    border-top: 3px solid var(--card-spine, var(--spine-color));

    border-radius: 8px;

    background: var(--mtm-surface);

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;

}


.related-card:hover {

    transform: translateY(-5px);

    box-shadow: 0 14px 30px -18px rgba(28, 27, 26, 0.35);

}


.related-image {

    aspect-ratio: 16 / 9;

    overflow: hidden;

}


.related-image img {

    width: 100%;

    height: 100%;

    object-fit: cover;

    display: block;

    transition: transform 0.3s ease;

}


.related-card:hover .related-image img {

    transform: scale(1.04);

}


.related-placeholder {

    width: 100%;

    height: 100%;

    display: grid;

    place-items: center;

    font-size: 1.8rem;

    color: var(--card-spine, var(--spine-color));

    background: color-mix(in srgb, var(--card-spine, var(--spine-color)) 8%, var(--mtm-surface));

}


.related-content {

    padding: 22px;

}


.related-content .post-category {

    font-family: var(--mtm-mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.07em;
    text-transform: uppercase;

    color: var(--card-spine, var(--spine-color));

}


.related-content h3 {

    margin:
        10px
        0
        10px;

    font-family: var(--mtm-display);
    font-weight: 600;
    font-size: 1.15rem;
    line-height: 1.35;

    color: var(--mtm-ink);

}


.related-content p {

    margin:
        0
        0
        15px;

    font-family: var(--mtm-body);
    font-size: 0.9rem;
    line-height: 1.65;

    color: var(--mtm-ink-soft);

}


.related-content a {

    font-family: var(--mtm-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.01em;

    color: var(--mtm-ink);

    text-decoration: none;

}


.related-card:hover .related-content a {

    color: var(--card-spine, var(--spine-color));

}


/* =========================================================
   ERROR
========================================================= */

.article-error {

    min-height: 60vh;

    display: grid;

    place-items: center;

    text-align: center;

    padding:
        80px
        0;

}


.article-error-icon {

    display: block;

    margin-bottom: 15px;

    font-size: 2.6rem;

}


.article-error h1 {

    margin-bottom: 12px;

    font-family: var(--mtm-display);
    font-weight: 600;

}


.article-error p {

    max-width: 520px;

    margin:
        0
        auto
        26px;

    font-family: var(--mtm-body);
    color: var(--mtm-ink-soft);

}


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 1000px) {

    .article-layout {

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

        gap: 42px;

    }


    .article-sidebar {

        position: static;

        display: grid;

        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );

        gap: 20px;

    }


    .sidebar-card {

        margin-bottom: 0;

    }

}


@media (max-width: 700px) {

    .article-header-section {

        padding:
            34px
            0
            30px;

    }


    .article-title {

        font-size: 2.1rem;

    }


    .article-excerpt {

        font-size: 1.05rem;

    }


    .article-meta {

        align-items: flex-start;

        flex-direction: column;

    }


    .article-featured-section {

        padding-bottom: 36px;

    }


    .article-content-section {

        padding-bottom: 55px;

    }


    .article-content {

        font-size: 1.02rem;

        line-height: 1.8;

    }


    .article-content h2 {

        margin-top: 2.6rem;

    }


    .article-sidebar {

        grid-template-columns:
            1fr;

    }


    .related-grid {

        grid-template-columns:
            1fr;

    }


    .article-conclusion {

        padding:
            22px;

    }


    .article-cta {

        padding:
            32px
            22px;

    }

}


@media (prefers-reduced-motion: reduce) {

    .related-card,
    .related-image img,
    .article-cta .primary-button,
    .sidebar-categories a,
    .toc-content a {

        transition: none;

    }

}