/* ========================================
   Terahealth Insights — Article Detail UI
   Aligned with the final site card/resource system
======================================== */

body.page-insight-article .main-nav .nav-menu > li > a[href="insights.html"] {
    color: var(--color-blue-main);
}
body.page-insight-article .main-nav .nav-menu > li > a[href="insights.html"]::after {
    width: 100%;
    background: var(--color-blue-main);
}

.article-hero {
    position: relative;
    isolation: isolate;
    min-height: 430px;
    display: flex;
    align-items: center;
    padding: 92px 0 78px;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(5, 5, 5, 0.76) 0%, rgba(7, 38, 68, 0.66) 48%, rgba(15, 124, 193, 0.20) 100%),
        var(--article-hero-image) center center / cover no-repeat,
        var(--color-blue-main);
    color: #fff;
}
.article-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(5,5,5,.10));
}
.article-hero .container { width: 100%; }
.article-hero-inner {
    max-width: 880px;
    margin: 0;
    text-align: left;
}
.article-kicker {
    display: inline-flex;
    align-items: center;
    margin-bottom: 18px;
    padding: 7px 12px;
    border: 1px solid rgba(255,255,255,.34);
    border-radius: 8px;
    background: rgba(255,255,255,.12);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .02em;
    text-transform: none;
    backdrop-filter: blur(8px);
}
.article-hero h1 {
    max-width: 850px;
    margin: 0 0 18px;
    color: #fff;
    font-size: clamp(38px, 4.4vw, 58px);
    line-height: 1.08;
    letter-spacing: -0.025em;
}

body.page-insight-article .article-hero h1 {
    color: #fff !important;
}
.article-deck {
    max-width: 760px;
    margin: 0 0 22px;
    color: rgba(255,255,255,.92);
    font-size: 18px;
    line-height: 1.65;
}
.article-meta-line {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    color: rgba(255,255,255,.82);
    font-size: 13px;
    font-weight: 600;
}
.article-meta-line span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta-line i { color: #fff; }

.article-layout {
    padding: 76px 0 88px;
    background: var(--color-gray-100);
}
.article-shell {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 32px;
    align-items: start;
}
.article-card {
    min-width: 0;
    background: #fff;
    border: 1px solid var(--card-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    padding: clamp(28px, 4vw, 52px);
}
.article-body {
    max-width: 760px;
    margin: 0 auto;
}
.article-body > p:first-child {
    font-size: 19px;
    line-height: 1.8;
    color: var(--color-navy-deep);
}
.article-body p {
    margin: 0 0 20px;
    color: #425466;
    font-size: 16px;
    line-height: 1.86;
}
.article-body h2 {
    scroll-margin-top: 150px;
    margin: 46px 0 18px;
    color: var(--color-navy-deep);
    font-size: clamp(25px, 2.3vw, 31px);
    line-height: 1.25;
    letter-spacing: -0.015em;
}
.article-body h2:first-of-type { margin-top: 38px; }
.article-body h3 {
    margin: 30px 0 12px;
    color: var(--color-navy-deep);
    font-size: 20px;
}
.article-body ul,
.article-body ol {
    margin: 0 0 24px 22px;
    color: #425466;
}
.article-body li {
    margin-bottom: 9px;
    padding-left: 3px;
    line-height: 1.75;
}
.article-body a { color: var(--color-blue-main); font-weight: 600; }
.article-body a:hover { color: var(--color-navy-deep); }

.article-review-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin: 0 0 28px;
    padding: 14px 16px;
    border: 1px solid #dbe7f0;
    border-radius: 10px;
    background: #f6f9fc;
    color: #425466;
    font-size: 13px;
}

.article-review-meta span {
    display: inline-flex;
    align-items: center;
}

.article-sources {
    margin-top: 42px;
    padding-top: 28px;
    border-top: 1px solid #e4ebf1;
}

.article-sources ul {
    margin: 0 0 14px;
    padding-left: 22px;
}

.article-sources li {
    margin-bottom: 8px;
    color: #425466;
}

.article-sources p {
    color: #5b6875;
    font-size: 14px;
}

.article-inline-cta-label {
    margin: 22px 0;
    font-weight: 700;
    color: var(--color-navy-deep);
}
.article-emphasis {
    margin: 26px 0 !important;
    padding: 18px 20px;
    border-left: 3px solid var(--color-blue-main);
    background: #f3f8fc;
    color: var(--color-navy-deep) !important;
    font-weight: 700;
}
.article-note {
    margin: 42px 0 34px;
    padding: 24px 26px;
    border: 1px solid rgba(15,124,193,.18);
    border-left: 4px solid var(--color-blue-main);
    border-radius: var(--card-radius);
    background: var(--color-blue-light);
}
.article-note h2 { margin: 0 0 10px; font-size: 21px; }
.article-note p { margin: 0; font-size: 15px; }
.article-inline-cta { margin: 34px 0 42px; }

.article-table-wrap {
    overflow-x: auto;
    margin: 30px 0;
    border: 1px solid var(--card-border);
    border-radius: var(--card-radius);
    background: #fff;
}
.article-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.article-table th,
.article-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--card-border);
    text-align: left;
    vertical-align: top;
    line-height: 1.6;
}
.article-table th { background: #f3f8fc; color: var(--color-navy-deep); }
.article-table tr:last-child td { border-bottom: 0; }

.article-faq {
    margin-top: 50px;
    padding-top: 8px;
    border-top: 1px solid var(--card-border);
}
.article-faq > h2 { margin-top: 32px; }
.faq-item { border-bottom: 1px solid var(--card-border); margin-bottom: 2px; }
.faq-item summary {
    cursor: pointer;
    padding: 18px 22px;
    list-style: none;
    color: var(--color-navy-deep);
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; flex: 0 0 auto; color: var(--color-blue-main); font-size: 20px; line-height: 1; }
.faq-item[open] summary::after { content: '–'; }
.faq-item p { margin: 0; padding: 0 22px 18px; font-size: 15px; }

.article-back {
    margin-top: 48px;
    padding-top: 28px;
    border-top: 1px solid var(--card-border);
}
.article-back .btn-link { font-size: 14px; }

.article-sidebar {
    position: sticky;
    top: 132px;
    display: grid;
    gap: 20px;
}
.article-side-card,
.article-side-cta {
    border: 1px solid var(--card-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
}
.article-side-card {
    padding: 24px;
    background: #fff;
}
.article-side-card h3,
.article-side-cta h3 {
    margin: 0 0 16px;
    font-size: 18px;
    line-height: 1.25;
}
.article-toc { display: grid; gap: 2px; }
.article-toc a {
    display: block;
    padding: 9px 0;
    border-bottom: 1px solid #eef3f7;
    color: var(--color-gray-700);
    font-size: 13px;
    line-height: 1.45;
}
.article-toc a:hover { color: var(--color-blue-main); }
.article-side-link {
    display: inline-block;
    margin-top: 18px;
    color: var(--color-blue-main);
    font-size: 13px;
    font-weight: 700;
}
.article-side-cta {
    padding: 24px;
    background: var(--color-blue-main);
    color: #fff;
    border-color: var(--color-blue-main);
}
.article-side-cta h3 { color: #fff; }
.article-side-cta p {
    margin: 0 0 18px;
    color: rgba(255,255,255,.86);
    font-size: 13px;
    line-height: 1.65;
}
.article-side-actions { display: grid; gap: 12px; }
.article-side-actions .btn { width: 100%; padding: 12px 16px; border-radius: 8px; font-size: 13px; }
.article-text-link { color: #fff; font-size: 13px; font-weight: 700; }
.article-text-link:hover { color: #fff; opacity: .82; }

@media (max-width: 992px) {
    .article-hero { min-height: 400px; padding: 82px 0 66px; }
    .article-shell { grid-template-columns: minmax(0, 1fr); max-width: 860px; }
    .article-sidebar { position: static; grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .article-hero {
        min-height: 360px;
        padding: 66px 0 54px;
        background-position: center center;
    }
    .article-hero h1 { font-size: clamp(32px, 10vw, 42px); }
    .article-deck { font-size: 16px; }
    .article-layout { padding: 48px 0 64px; }
    .article-card { padding: 26px 20px; }
    .article-body > p:first-child { font-size: 17px; }
    .article-body p { font-size: 15.5px; line-height: 1.8; }
    .article-body h2 { margin-top: 38px; font-size: 25px; }
    .article-sidebar { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .article-kicker { margin-bottom: 14px; }
    .article-meta-line { gap: 12px; }
    .article-side-card { display: none; }
}

/* Future editorial image positions inside article content */
.article-image-placeholder {
    margin: 38px 0 42px;
}
.article-image-placeholder__box {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: 1px dashed #b9c8d8;
    border-radius: 12px;
    background: #f5f8fb;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #718096;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .12em;
}
@media (max-width: 767px) {
    .article-image-placeholder { margin: 28px 0 32px; }
    .article-image-placeholder__box { border-radius: 10px; }
}

/* Article media cleanup: card imagery belongs only on All Insights */
.article-main,
.article-content {
    min-width: 0;
}
.article-content img:not(.article-image-placeholder img),
.article-main > img {
    display: none !important;
}

/* ========================================
   Narrative proposal — web article override
   The DOCX preset is translated to the site surface while preserving
   its restrained blue hierarchy, generous prose rhythm, and quiet fills.
======================================== */
:root {
    --article-heading-blue: #2e74b5;
    --article-heading-dark: #1f4d78;
    --article-ink: #0b2545;
    --article-copy: #40566b;
    --article-muted: #66788a;
    --article-blue-gray: #e8eef5;
    --article-light-gray: #f2f4f7;
    --article-callout: #f4f6f9;
}

.article-reading-progress {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1200;
    height: 4px;
    pointer-events: none;
    background: rgba(255,255,255,.16);
}
.article-reading-progress span {
    display: block;
    width: 100%;
    height: 100%;
    transform: scaleX(0);
    transform-origin: left center;
    background: linear-gradient(90deg, var(--article-heading-blue), #59b7e8);
    transition: transform .08s linear;
}

body.page-insight-article .article-hero {
    min-height: 520px;
    padding: 104px 0 88px;
    background:
        linear-gradient(100deg, rgba(6,25,44,.93) 0%, rgba(11,37,69,.80) 48%, rgba(46,116,181,.38) 100%),
        var(--article-hero-image) center center / cover no-repeat,
        var(--article-ink);
}
body.page-insight-article .article-hero::before {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    right: -150px;
    bottom: -330px;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 50%;
    box-shadow: 0 0 0 80px rgba(255,255,255,.035), 0 0 0 160px rgba(255,255,255,.02);
    pointer-events: none;
}
body.page-insight-article .article-hero-inner {
    max-width: 920px;
}
body.page-insight-article .article-kicker {
    margin-bottom: 22px;
    padding: 8px 13px;
    border-color: rgba(255,255,255,.28);
    border-radius: 999px;
    background: rgba(255,255,255,.10);
    font-size: 11px;
    letter-spacing: .09em;
    text-transform: uppercase;
}
body.page-insight-article .article-hero h1 {
    max-width: 900px;
    margin-bottom: 20px;
    font-family: Calibri, "Segoe UI", Arial, sans-serif;
    font-size: clamp(42px, 5vw, 66px);
    line-height: 1.02;
    letter-spacing: -.035em;
    text-wrap: balance;
}
body.page-insight-article .article-deck {
    max-width: 790px;
    margin-bottom: 28px;
    font-size: clamp(17px, 1.6vw, 20px);
    line-height: 1.55;
}
body.page-insight-article .article-meta-line {
    gap: 10px 22px;
    font-size: 12px;
    letter-spacing: .01em;
}
body.page-insight-article .article-meta-line span {
    padding-right: 22px;
    border-right: 1px solid rgba(255,255,255,.26);
}
body.page-insight-article .article-meta-line span:last-child {
    padding-right: 0;
    border-right: 0;
}

body.page-insight-article .article-layout {
    position: relative;
    padding: 84px 0 104px;
    background:
        radial-gradient(circle at 8% 5%, rgba(46,116,181,.08), transparent 26%),
        linear-gradient(180deg, #f7f9fb 0%, #eef3f7 100%);
}
body.page-insight-article .article-shell {
    max-width: 1180px;
    grid-template-columns: minmax(0, 830px) 286px;
    gap: 36px;
}
body.page-insight-article .article-card {
    position: relative;
    padding: clamp(34px, 5vw, 66px);
    border: 1px solid #dce5ed;
    border-radius: 22px;
    box-shadow: 0 22px 55px rgba(11,37,69,.10);
}
body.page-insight-article .article-card::before {
    content: "";
    position: absolute;
    inset: 0 48px auto;
    height: 4px;
    border-radius: 0 0 6px 6px;
    background: linear-gradient(90deg, var(--article-heading-blue), #7cc6eb);
}
body.page-insight-article .article-body {
    max-width: 720px;
    font-family: Calibri, "Segoe UI", Arial, sans-serif;
}
body.page-insight-article .article-body p {
    margin-bottom: 18px;
    color: var(--article-copy);
    font-size: 17px;
    line-height: 1.68;
}
body.page-insight-article .article-body > .article-review-meta + p,
body.page-insight-article .article-body > .article-note + p {
    color: var(--article-ink);
    font-size: 20px;
    line-height: 1.55;
}
body.page-insight-article .article-body h2 {
    margin: 50px 0 16px;
    color: var(--article-heading-blue);
    font-size: clamp(27px, 2.4vw, 34px);
    line-height: 1.18;
    letter-spacing: -.02em;
    text-wrap: balance;
}
body.page-insight-article .article-body h3 {
    margin: 34px 0 12px;
    color: var(--article-heading-dark);
    font-size: 22px;
    line-height: 1.3;
}
body.page-insight-article .article-body ul,
body.page-insight-article .article-body ol {
    margin: 0 0 26px;
    padding-left: 26px;
    color: var(--article-copy);
}
body.page-insight-article .article-body li {
    margin-bottom: 10px;
    font-size: 17px;
    line-height: 1.58;
}
body.page-insight-article .article-body li::marker {
    color: var(--article-heading-blue);
    font-weight: 700;
}

body.page-insight-article .article-review-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    margin: 0 0 34px;
    padding: 0;
    overflow: hidden;
    border: 1px solid #d9e4ed;
    border-radius: 14px;
    background: #fff;
}
body.page-insight-article .article-review-meta span {
    min-height: 52px;
    padding: 14px 16px;
    border-right: 1px solid #e4ebf1;
    border-bottom: 1px solid #e4ebf1;
    color: var(--article-muted);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.35;
}
body.page-insight-article .article-review-meta span:nth-child(2n) { border-right: 0; }
body.page-insight-article .article-review-meta span:nth-last-child(-n+2) { border-bottom: 0; }
body.page-insight-article .article-note {
    margin: 0 0 34px;
    padding: 22px 24px;
    border: 0;
    border-left: 4px solid var(--article-heading-blue);
    border-radius: 0 12px 12px 0;
    background: var(--article-callout);
    color: var(--article-copy);
}
body.page-insight-article .article-emphasis {
    padding: 20px 22px;
    border-left-color: var(--article-heading-blue);
    border-radius: 0 10px 10px 0;
    background: var(--article-blue-gray);
}
body.page-insight-article .article-sources {
    margin-top: 58px;
    padding: 30px;
    border: 1px solid #dce5ed;
    border-radius: 14px;
    background: var(--article-light-gray);
}
body.page-insight-article .article-sources h2 {
    margin: 0 0 18px;
    color: var(--article-heading-dark);
    font-size: 24px;
}
body.page-insight-article .article-sources a {
    text-decoration: underline;
    text-decoration-color: rgba(46,116,181,.35);
    text-underline-offset: 3px;
}

body.page-insight-article .article-sidebar {
    top: 118px;
    gap: 18px;
}
body.page-insight-article .article-side-card,
body.page-insight-article .article-side-cta {
    border-radius: 16px;
    box-shadow: 0 15px 34px rgba(11,37,69,.09);
}
body.page-insight-article .article-side-card {
    padding: 26px;
}
body.page-insight-article .article-side-eyebrow {
    display: block;
    margin-bottom: 8px;
    color: var(--article-heading-blue);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}
body.page-insight-article .article-side-card h3,
body.page-insight-article .article-side-cta h3 {
    color: var(--article-ink);
    font-family: Calibri, "Segoe UI", Arial, sans-serif;
    font-size: 20px;
}
body.page-insight-article .article-toc a {
    position: relative;
    padding: 10px 0 10px 14px;
    border-bottom-color: #edf1f5;
    color: #607286;
    font-size: 12.5px;
}
body.page-insight-article .article-toc a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 15px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #b5c3cf;
}
body.page-insight-article .article-toc a:hover,
body.page-insight-article .article-toc a.is-active {
    color: var(--article-heading-blue);
}
body.page-insight-article .article-toc a.is-active::before {
    background: var(--article-heading-blue);
    box-shadow: 0 0 0 4px rgba(46,116,181,.12);
}
body.page-insight-article .article-side-cta {
    padding: 28px 26px;
    background: linear-gradient(145deg, var(--article-ink), var(--article-heading-blue));
}
body.page-insight-article .article-side-cta .article-side-eyebrow,
body.page-insight-article .article-side-cta h3 { color: #fff; }

@media (max-width: 992px) {
    body.page-insight-article .article-hero { min-height: 460px; }
    body.page-insight-article .article-shell { grid-template-columns: minmax(0, 1fr); max-width: 860px; }
    body.page-insight-article .article-sidebar { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    body.page-insight-article .article-hero {
        min-height: 430px;
        padding: 72px 0 62px;
        background-position: 62% center;
    }
    body.page-insight-article .article-hero h1 { font-size: clamp(36px, 11vw, 48px); }
    body.page-insight-article .article-meta-line span { padding-right: 0; border-right: 0; }
    body.page-insight-article .article-layout { padding: 48px 0 72px; }
    body.page-insight-article .article-card { padding: 34px 22px; border-radius: 16px; }
    body.page-insight-article .article-card::before { inset-inline: 22px; }
    body.page-insight-article .article-body p { font-size: 16.5px; line-height: 1.65; }
    body.page-insight-article .article-body h2 { margin-top: 42px; font-size: 28px; }
    body.page-insight-article .article-review-meta { grid-template-columns: 1fr; }
    body.page-insight-article .article-review-meta span { border-right: 0; }
    body.page-insight-article .article-review-meta span:nth-last-child(2) { border-bottom: 1px solid #e4ebf1; }
    body.page-insight-article .article-sidebar { grid-template-columns: 1fr; }
    body.page-insight-article .article-sources { padding: 24px 20px; }
}