/* =====================================================
   STEM Articles Plugin - Single Article Styles
===================================================== */

:root {
    --sa-cream:      #f0ede6;
    --sa-dark:       #3D4321;
    --sa-mid:        #6b6b5a;
    --sa-font-serif: 'Albra Book Light', Georgia, serif;
    --sa-font-sans:  'Atlas Grotesk Regular', 'Jost', sans-serif;
    --sa-container:  1440px;
}

/* Body wrapper */
.sa-body {
    max-width: var(--sa-container);
    margin: 0 auto;
    padding: 0 40px 80px;
}

/* =====================================================
   SECTION 0 - HERO IMAGE
===================================================== */
.sa-hero {
    width: 100%;
    line-height: 0;
    margin-bottom: 0;
}

.sa-hero-img {
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 75vh;
    /* width and alignment set inline via meta */
}

/* =====================================================
   SECTION 1 - TITLE + INTRO
===================================================== */
.sa-intro-heading-wrap {
    padding: 48px 0 20px;
}

.sa-intro-wrap {
    padding-bottom: 36px;
}

.sa-intro {
    /* width set inline */
}

.sa-title {
    font-family: var(--sa-font-serif);
    font-size: clamp(28px, 3.5vw, 48px);
    font-weight: 300;
    line-height: 1.1;
    color: var(--sa-dark);
    margin: 0 0 28px;
    letter-spacing: 0;
}

.sa-intro-text {
    font-family: var(--sa-font-serif);
    font-size: clamp(18px, 2vw, 26px);
    line-height: 1.5;
    color: var(--sa-dark);
    font-weight: 300;
}

/* =====================================================
   SECTION 2 - CONTENT BLOCKS (image + text)
===================================================== */
.sa-content-blocks {
    display: flex;
    flex-direction: column;
    gap: 0; /* spacing now controlled per-block via blockSpacing */
    margin-bottom: 64px;
}

/* Two-col block */
.sa-block--two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 48px;
    align-items: start;
}

/* Image left (default) */
.sa-block--img-left .sa-block-image { order: 1; }
.sa-block--img-left .sa-block-text  { order: 2; }

/* Image right */
.sa-block--img-right .sa-block-image { order: 2; }
.sa-block--img-right .sa-block-text  { order: 1; }

/* Image column */
.sa-block-image figure {
    margin: 0;
}

.sa-block-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.sa-block-image figcaption {
    font-family: var(--sa-font-sans);
    font-weight: 400;
    font-style: normal;
    font-size: 12px;
    line-height: 16px;
    letter-spacing: 0;
    text-transform: none;
    color: #3D4321;
    margin-top: 8px;
}

/* Text column */
.sa-block-text {
    font-family: var(--sa-font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--sa-dark);
}

.sa-block-subheading {
    font-family: var(--sa-font-sans);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--sa-dark);
    margin: 0 0 16px;
}

.sa-block-body p {
    margin: 0 0 1em;
}

.sa-block-body p:last-child {
    margin-bottom: 0;
}

.sa-block-body ul,
.sa-block-body ol {
    padding-left: 1.5em;
    margin: 0 0 1em;
}

.sa-block-body li {
    margin-bottom: 0.3em;
}

.sa-block-body strong,
.sa-block-body b {
    font-weight: 700;
}

.sa-block-body em,
.sa-block-body i {
    font-style: italic;
}

/* Mobile */
@media (max-width: 768px) {
    .sa-body {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    /* Hero image: full width with 20px padding each side */
    .sa-hero {
        padding: 0 20px;
        box-sizing: border-box;
    }

    .sa-hero-img {
        width: 100% !important;
        max-width: 100%;
    }

    /* Intro section: 20px padding each side */
    .sa-intro-heading-wrap,
    .sa-intro-wrap {
        padding-left: 20px !important;
        padding-right: 20px !important;
    }

    .sa-intro,
    .sa-intro-wrap > div {
        width: 100% !important;
    }

    .sa-block--two-col {
        grid-template-columns: 1fr !important;
        column-gap: 0 !important;
        row-gap: 0 !important;
    }

    /* Image always on top regardless of left/right setting */
    .sa-block--img-left .sa-block-image,
    .sa-block--img-right .sa-block-image {
        order: 1 !important;
    }

    .sa-block--img-left .sa-block-text,
    .sa-block--img-right .sa-block-text {
        order: 2 !important;
        padding-top: 20px !important;
        padding-left: 20px !important;
        padding-right: 20px !important;
        padding-bottom: 0 !important;
    }

    .sa-block-image {
        padding: 0 20px;
    }

    .sa-block-image img {
        width: 100%;
        height: auto !important;
        object-fit: cover;
    }

    .sa-block-image figcaption {
        padding: 6px 0 0;
        text-align: left;
        font-size: 11px;
        line-height: 17px;
    }

    /* Text width always 100% on mobile regardless of desktop setting */
    .sa-block-text > div[style*="width"] {
        width: 100% !important;
    }
}

/* =====================================================
   SECTION 3 - RELATED TEASER (dark card)
===================================================== */
.sa-related-block {
    background: var(--sa-dark);
    color: var(--sa-cream);
    margin: 64px -40px 0;
    padding: 40px;
}

.sa-related-inner {
    max-width: var(--sa-container);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 48px;
    align-items: center;
}

.sa-related-heading {
    font-family: var(--sa-font-serif);
    font-size: 34px;
    font-weight: 300;
    font-style: normal;
    line-height: 40px;
    letter-spacing: 0;
    vertical-align: middle;
    margin: 0 0 20px;
}

.sa-related-desc-heading {
    font-family: var(--sa-font-sans);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin: 0 0 5px;
}

.sa-related-excerpt {
    font-family: var(--sa-font-sans);
    font-size: 13px;
    line-height: 1.5;
    color: rgba(240, 237, 230, 0.75);
    margin: 0 0 20px;
}

.sa-related-excerpt p {
    margin: 0 0 0.8em;
}

.sa-related-excerpt p:last-child {
    margin-bottom: 0;
}

.sa-related-excerpt strong,
.sa-related-excerpt b {
    font-weight: 600;
    color: var(--sa-cream);
}

.sa-related-excerpt em,
.sa-related-excerpt i {
    font-style: italic;
}

.sa-related-excerpt ul,
.sa-related-excerpt ol {
    padding-left: 1.4em;
    margin: 0 0 0.8em;
}

.sa-related-excerpt li {
    margin-bottom: 0.3em;
}

.sa-related-link {
    font-family: var(--sa-font-sans);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .04em;
    color: var(--sa-cream);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color .2s;
}

.sa-related-link:hover {
    color: #ffffff;
}

.sa-related-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

@media (max-width: 768px) {
    .sa-related-inner {
        grid-template-columns: 1fr;
        gap: 24px 0;
    }
    .sa-related-block {
        margin: 48px 0 0;
        padding: 32px 20px;
    }
    .sa-related-heading {
        font-size: 22px;
        line-height: 28px;
    }
    .sa-related-desc-heading {
        font-size: 11px;
        line-height: 17px;
        margin: 0 0 5px;
    }
    .sa-related-excerpt,
    .sa-related-excerpt p {
        font-size: 16px;
        line-height: 23px;
        width: 100% !important;
        max-width: 100% !important;
    }
    .sa-body {
        padding: 0 0 60px;
    }
    .sa-intro-heading-wrap,
    .sa-intro-wrap,
    .sa-nav {
        padding-left: 20px;
        padding-right: 20px;
    }

    /* Mobile nav: stacked */
    .sa-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding-top: 24px;
    }

    .sa-nav-prev,
    .sa-nav-next {
        padding: 16px 0;
    }

    .sa-nav-prev {
        order: 1;
        justify-content: flex-start;
    }

    .sa-nav-line {
        order: 2;
        width: 100%;
        height: 1px;
        min-height: 1px;
        flex: none;
        margin: 0;
        background: #3D4321;
    }

    .sa-nav-prev {
        order: 1;
        justify-content: flex-start;
        padding: 20px 0;
    }

    .sa-nav-next {
        order: 3;
        justify-content: flex-end;
        padding: 20px 0;
        border-top: none;
    }
}

/* =====================================================
   SECTION 4 - PREV / NEXT NAV
===================================================== */
.sa-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 40px 0 0;
    margin-top: 16px;
}

.sa-nav-prev,
.sa-nav-next {
    font-family: var(--sa-font-serif);
    font-size: 34px;
    font-weight: 300;
    line-height: 40px;
    color: var(--sa-dark);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0;
    transition: opacity .15s;
}

.sa-nav-prev:hover,
.sa-nav-next:hover {
    opacity: .6;
}

.sa-nav-arrow {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
}

.sa-nav-disabled {
    opacity: 0.3;
    cursor: default;
    pointer-events: none;
}

.sa-nav-line {
    flex: 1;
    height: 1px;
    background: rgba(61, 67, 33, .15);
    margin: 0 24px;
}