/* ========================================
   NOW2CODE — Article / Longform Reading
   Editorial typography for the blog
   ======================================== */

/* === Body / page-level === */
.article-body {
    background: var(--color-bg-primary);
}

/* Navbar solid for article pages — no hero behind it */
.navbar--solid {
    background: rgba(255, 255, 255, 0.94) !important;
    border-bottom: 1px solid var(--color-border);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}


/* === Narrow reading container (overrides default container) === */
.container--narrow {
    max-width: 760px;
}


/* === Article page wrapper === */
.article-page {
    padding-top: calc(72px + clamp(2rem, 5vw, 4rem));
    padding-bottom: clamp(4rem, 8vw, 6rem);
}


/* === Article header (editorial, no decorative image) === */
.article__header {
    padding-bottom: clamp(2rem, 4vw, 3rem);
}

.article__meta-top {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-caption);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    margin-bottom: var(--space-6);
}

.article__breadcrumb {
    color: var(--color-text-tertiary);
    transition: color var(--duration-fast);
}

a.article__breadcrumb:hover {
    color: var(--color-accent-light);
}

.article__breadcrumb-sep {
    opacity: 0.4;
}

.article__eyebrow {
    display: inline-block;
    font-family: var(--font-body);
    font-size: var(--text-caption);
    font-weight: 700;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-5);
    padding: 6px 12px;
    background: var(--color-accent-glow);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-full);
}

.article__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4.5vw + 0.5rem, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.025em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
    max-width: 800px;
}

.article__deck {
    font-family: var(--font-body);
    font-size: clamp(1.125rem, 1.2vw + 0.5rem, 1.375rem);
    line-height: 1.55;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
    max-width: 720px;
    font-weight: 400;
}

.article__byline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.article__byline-author {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.article__byline-name {
    font-family: var(--font-heading);
    font-size: var(--text-body);
    font-weight: 700;
    color: var(--color-text-primary);
}

.article__byline-role {
    font-size: var(--text-caption);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.article__byline-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-small);
    color: var(--color-text-tertiary);
}

.article__byline-sep {
    opacity: 0.5;
}


/* === Table of contents === */
.article__toc-wrap {
    margin-top: var(--space-8);
    margin-bottom: var(--space-10);
}

.article__toc {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-6);
    position: relative;
}

.article__toc::before {
    content: '';
    position: absolute;
    left: -1px;
    top: -1px;
    bottom: -1px;
    width: 3px;
    background: var(--gradient-accent);
    border-radius: 3px 0 0 3px;
}

.article__toc summary {
    font-family: var(--font-heading);
    font-size: var(--text-caption);
    font-weight: 700;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    list-style: none;
    padding-left: var(--space-3);
}

.article__toc summary::-webkit-details-marker {
    display: none;
}

.article__toc summary::after {
    content: '+';
    float: right;
    font-size: 1.2em;
    line-height: 1;
    color: var(--color-accent-light);
    transition: transform var(--duration-fast);
}

.article__toc[open] summary::after {
    content: '−';
}

.article__toc-list {
    list-style: none;
    margin: var(--space-5) 0 0 0;
    padding: 0 0 0 var(--space-3);
    counter-reset: toc;
    display: grid;
    gap: var(--space-2);
}

.article__toc-list li {
    font-size: var(--text-small);
}

.article__toc-list a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--duration-fast), padding-left var(--duration-fast);
    display: inline-block;
    line-height: 1.5;
}

.article__toc-list a:hover {
    color: var(--color-accent-light);
    padding-left: 4px;
}


/* === Article body typography === */
.article__body {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.75;
    color: var(--color-text-primary);
}

.article__body > p,
.article__body > .article__list,
.article__body > .article__roadmap,
.article__body > .article__table-wrap,
.article__body > .article__callout,
.article__body > .article__product-cta,
.article__body > .article__final-cta {
    margin-bottom: var(--space-6);
}

.article__body p {
    color: var(--color-text-primary);
    line-height: 1.75;
}

.article__lead {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--color-text-primary);
    font-weight: 400;
    margin-bottom: var(--space-8) !important;
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.article__lead strong {
    color: var(--color-text-primary);
    font-weight: 700;
}


/* === TL;DR block (AEO — quoted verbatim by AI engines) === */
.article__tldr {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: clamp(var(--space-5), 3vw, var(--space-8)) clamp(var(--space-6), 3vw, var(--space-8));
    margin: 0 0 var(--space-8) 0;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.article__tldr::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    z-index: 1;
}

.article__tldr-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--text-caption);
    font-weight: 700;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-4);
}

.article__tldr ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-3);
}

.article__tldr li {
    position: relative;
    padding-left: var(--space-8);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text-primary);
}

.article__tldr li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 16px;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
}

.article__tldr li strong {
    font-weight: 700;
    color: var(--color-text-primary);
}


/* === Inline links === */
.article__body a:not(.btn):not(.article__breadcrumb) {
    color: var(--color-accent-light);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    text-decoration-color: rgba(79, 70, 229, 0.4);
    transition: text-decoration-color var(--duration-fast), color var(--duration-fast);
}

.article__body a:not(.btn):not(.article__breadcrumb):hover {
    text-decoration-color: var(--color-accent-light);
}


/* === Inline emphasis === */
.article__body strong {
    color: var(--color-text-primary);
    font-weight: 700;
}

.article__body em {
    color: var(--color-text-primary);
    font-style: italic;
}


/* === Headings === */
.article__body h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.625rem, 2vw + 0.75rem, 2.125rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    margin-top: clamp(3rem, 5vw, 4.5rem);
    margin-bottom: var(--space-5);
    scroll-margin-top: 100px;
    position: relative;
    padding-left: var(--space-5);
}

.article__body h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.4em;
    bottom: 0.4em;
    width: 3px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
}

.article__body h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
    line-height: 1.3;
}


/* === Lists === */
.article__list {
    list-style: none;
    padding: 0;
    margin-left: 0;
    display: grid;
    gap: var(--space-3);
}

.article__list li {
    position: relative;
    padding-left: var(--space-8);
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text-primary);
}

.article__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 18px;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
}

.article__list li strong {
    font-weight: 700;
}


/* === Callout box === */
.article__callout {
    background: var(--color-accent-glow);
    border: 1px solid rgba(99, 102, 241, 0.18);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: var(--space-6) var(--space-8);
    margin: var(--space-8) 0 !important;
}

.article__callout-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: var(--text-caption);
    font-weight: 700;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--space-3);
}

.article__callout p {
    margin: 0 !important;
    font-size: 1.0625rem;
    color: var(--color-text-primary);
    line-height: 1.65;
}


/* === Comparison table === */
.article__table-wrap {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin: var(--space-8) 0 !important;
}

.article__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
    min-width: 640px;
}

.article__table thead th {
    background: var(--color-bg-secondary);
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-text-primary);
    text-align: left;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9375rem;
}

.article__table thead th:first-child {
    background: var(--color-bg-secondary);
}

.article__table tbody th {
    text-align: left;
    font-weight: 600;
    color: var(--color-text-secondary);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
    font-size: 0.875rem;
    white-space: nowrap;
}

.article__table tbody td {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-primary);
    line-height: 1.5;
    vertical-align: top;
}

.article__table tbody tr:last-child th,
.article__table tbody tr:last-child td {
    border-bottom: 0;
}

/* OfEngine column highlight */
.article__table thead th:last-child,
.article__table tbody td:last-child {
    background: rgba(99, 102, 241, 0.04);
    color: var(--color-text-primary);
    font-weight: 600;
}

.article__table thead th:last-child {
    color: var(--color-accent-light);
    background: var(--color-accent-glow);
    position: relative;
}


/* === Mid-article product CTA (with screenshot) === */
.article__product-cta {
    margin: var(--space-10) 0 !important;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: 1fr;
    position: relative;
    isolation: isolate;
}

.article__product-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    z-index: 2;
}

.article__product-cta-media {
    margin: 0;
    background: var(--color-bg-secondary);
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.article__product-cta-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top left;
    display: block;
}

.article__product-cta-body {
    padding: clamp(var(--space-5), 3vw, var(--space-8));
}

.article__product-cta-eyebrow {
    display: inline-block;
    font-size: var(--text-caption);
    font-weight: 700;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--space-3);
}

.article__product-cta-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.article__product-cta-body p {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5) !important;
}


/* === Roadmap === */
.article__roadmap {
    list-style: none;
    padding: 0;
    margin: var(--space-8) 0 !important;
    display: grid;
    gap: 0;
    border-left: 2px solid var(--color-border);
    padding-left: var(--space-6);
    position: relative;
}

.article__roadmap > li {
    position: relative;
    padding-bottom: var(--space-8);
}

.article__roadmap > li:last-child {
    padding-bottom: 0;
}

.article__roadmap > li::before {
    content: '';
    position: absolute;
    left: calc(var(--space-6) * -1 - 7px);
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gradient-accent);
    box-shadow: 0 0 0 4px var(--color-bg-primary);
}

.article__roadmap-stage {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--text-caption);
    font-weight: 700;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-2);
}

.article__roadmap p {
    margin: 0 !important;
    color: var(--color-text-primary);
    line-height: 1.65;
    font-size: 1.0625rem;
}


/* === Final CTA === */
.article__final-cta {
    margin-top: var(--space-12) !important;
    padding: clamp(var(--space-8), 5vw, var(--space-12));
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.article__final-cta::before {
    content: '';
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    aspect-ratio: 2;
    background: radial-gradient(ellipse, var(--color-accent-glow-strong), transparent 60%);
    filter: blur(50px);
    z-index: -1;
}

.article__final-cta-eyebrow {
    display: inline-block;
    font-size: var(--text-caption);
    font-weight: 700;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-bottom: var(--space-4);
}

.article__final-cta h3 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 2.5vw + 0.5rem, 2rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    margin: 0 0 var(--space-4) 0 !important;
    max-width: 540px;
    margin-left: auto !important;
    margin-right: auto !important;
}

.article__final-cta p {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    margin: 0 auto var(--space-8) auto !important;
    max-width: 480px;
    line-height: 1.65;
}

.article__final-cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}


/* ============================================
   BLOG INDEX (listing page)
   ============================================ */
.blog-index {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-6);
}

.blog-index__item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-bg-primary);
    overflow: hidden;
    transition: transform var(--duration-normal) var(--ease-out),
                box-shadow var(--duration-normal) var(--ease-out),
                border-color var(--duration-normal) var(--ease-out);
}

.blog-index__item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(99, 102, 241, 0.25);
}

.blog-index__link {
    display: block;
    padding: clamp(var(--space-6), 3vw, var(--space-8));
    text-decoration: none !important;
    color: inherit;
    position: relative;
}

.blog-index__link::before {
    content: '';
    position: absolute;
    left: -1px;
    top: 50%;
    transform: translateY(-50%) scaleY(0);
    width: 3px;
    height: 60%;
    background: var(--gradient-accent);
    border-radius: 3px;
    transition: transform var(--duration-normal) var(--ease-out);
}

.blog-index__item:hover .blog-index__link::before {
    transform: translateY(-50%) scaleY(1);
}

.blog-index__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}

.blog-index__eyebrow {
    display: inline-block;
    font-family: var(--font-body);
    font-size: var(--text-caption);
    font-weight: 700;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 4px 10px;
    background: var(--color-accent-glow);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-full);
}

.blog-index__date {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-caption);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.blog-index__title {
    font-family: var(--font-heading);
    font-size: clamp(1.375rem, 1.5vw + 0.5rem, 1.75rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    margin: 0 0 var(--space-3) 0;
}

.blog-index__excerpt {
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5);
}

.blog-index__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-small);
    font-weight: 600;
    color: var(--color-accent-light);
    transition: gap var(--duration-fast) var(--ease-out);
}

.blog-index__item:hover .blog-index__cta {
    gap: var(--space-3);
}


/* === Responsive === */
@media (min-width: 768px) {
    .article__product-cta {
        grid-template-columns: 1fr 1fr;
        align-items: stretch;
    }

    .article__product-cta-media {
        aspect-ratio: auto;
        height: 100%;
    }
}