/*!
 * Viewnamic Site – blog (overview, archives, author pages, articles).
 * Loaded only on the blog templates. Classes: .vn-blog-*
 */

/* ---------- Overview: chips, featured article, grid ---------- */
.vn-section.vn-blog-list { padding-top: clamp(1.5rem, 1rem + 2vw, 2.5rem); }
.vn-blog-list .vn-blog-chips { margin-bottom: clamp(2rem, 1.5rem + 2vw, 3rem); }

.vn-blog-grid {
    list-style: none; margin: 0; padding: 0;
    display: grid; gap: clamp(1.25rem, 1rem + 1vw, 2rem);
    grid-template-columns: 1fr;
}
@media (min-width: 640px) { .vn-blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 960px) { .vn-blog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.vn-blog-grid > li { display: flex; min-width: 0; }
.vn-blog-grid > li > * { flex: 1; }

.vn-blog-grid-title {
    margin: clamp(3rem, 2.5rem + 2vw, 4.5rem) 0 clamp(1.25rem, 1rem + 1vw, 2rem);
    font-size: var(--vnm-fs-h3);
}

/* ---------- Article card ---------- */
.vn-blog-card {
    position: relative; display: flex; flex-direction: column; min-width: 0;
    background: #fff; border: 1px solid var(--vnm-border); border-radius: var(--vnm-radius-lg);
    box-shadow: var(--vnm-shadow-sm); overflow: hidden;
}
.vn-blog-card__media {
    position: relative; aspect-ratio: 16 / 9; overflow: hidden;
    background: linear-gradient(135deg, var(--vnm-bg-secondary) 0%, #DCEFEA 100%);
}
.vn-blog-card__media img { width: 100%; height: 100%; object-fit: cover; }
.vn-blog-card__placeholder { position: absolute; inset: 0; display: grid; place-items: center; color: var(--vnm-secondary); opacity: .55; }
.vn-blog-card__body { display: flex; flex-direction: column; gap: .65rem; flex: 1; padding: clamp(1.15rem, 1rem + .6vw, 1.6rem); }
.vn-blog-card__meta { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .6rem; margin: 0; font-size: var(--vnm-fs-xs); color: var(--vnm-text-muted); }
.vn-blog-card__title { margin: 0; font-size: clamp(1.125rem, 1.05rem + .3vw, 1.3125rem); line-height: 1.3; }
.vn-blog-card__link { color: inherit !important; text-decoration: none !important; }
.vn-blog-card__link::after { content: ""; position: absolute; inset: 0; z-index: 1; border-radius: inherit; }
.vn-blog-card__link:focus-visible { box-shadow: none; }
.vn-blog-card:has(.vn-blog-card__link:focus-visible) { box-shadow: var(--vnm-focus); }
.vn-blog-card__excerpt {
    margin: 0; color: var(--vnm-text-muted); font-size: var(--vnm-fs-sm); line-height: 1.6;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.vn-blog-card__author { display: flex; align-items: center; gap: .55rem; margin: auto 0 0; padding-top: .5rem; font-size: var(--vnm-fs-xs); font-weight: 600; color: var(--vnm-text-strong); }
.vn-blog-card__author img { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex: none; }
.vn-blog-card__more { display: inline-flex; align-items: center; gap: .4rem; margin-top: auto; padding-top: .75rem; font-family: var(--vnm-font-heading); font-weight: 600; color: var(--vnm-primary-strong); }
.vn-blog-card:hover { border-color: var(--vnm-border-strong); box-shadow: var(--vnm-shadow-lg); }
.vn-blog-card:hover .vn-blog-card__title { color: var(--vnm-primary-strong); }

/* Featured (newest) article */
.vn-blog-featured .vn-blog-card { border-radius: var(--vnm-radius-xl); box-shadow: var(--vnm-shadow-md); }
.vn-blog-card--featured .vn-blog-card__title { font-size: clamp(1.5rem, 1.25rem + 1.1vw, 2.125rem); line-height: 1.2; }
.vn-blog-card--featured .vn-blog-card__excerpt { font-size: var(--vnm-fs-base); -webkit-line-clamp: 4; }
.vn-blog-card--featured .vn-blog-card__author { margin-top: .25rem; }
@media (min-width: 900px) {
    .vn-blog-card--featured { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
    .vn-blog-card--featured .vn-blog-card__media { aspect-ratio: auto; min-height: 340px; }
    .vn-blog-card--featured .vn-blog-card__media img { position: absolute; inset: 0; }
    .vn-blog-card--featured .vn-blog-card__body { justify-content: center; gap: .9rem; padding: clamp(1.75rem, 1rem + 2vw, 3rem); }
}

@media (prefers-reduced-motion: no-preference) {
    .vn-blog-card { transition: transform .25s var(--vnm-ease), box-shadow .25s var(--vnm-ease), border-color .25s var(--vnm-ease); }
    .vn-blog-card__media img { transition: transform .5s var(--vnm-ease); }
    .vn-blog-card__title { transition: color var(--vnm-duration) var(--vnm-ease); }
    .vn-blog-card:hover { transform: translateY(-4px); }
    .vn-blog-card:hover .vn-blog-card__media img { transform: scale(1.03); }
}

/* ---------- Author archive header ---------- */
.vn-blog-profile__grid { display: grid; gap: clamp(1.5rem, 1rem + 2vw, 2.5rem); align-items: center; justify-items: center; text-align: center; }
@media (min-width: 700px) {
    .vn-blog-profile__grid { grid-template-columns: auto minmax(0, 1fr); justify-items: start; text-align: left; }
}
.vn-blog-profile__photo { width: 160px; height: 160px; border-radius: 50%; object-fit: cover; border: 6px solid #fff; box-shadow: var(--vnm-shadow-md); }
.vn-blog-profile .vn-hero__title { margin-bottom: .2em; }
.vn-blog-profile__role { margin: 0 0 .9rem; font-family: var(--vnm-font-heading); font-weight: 600; color: var(--vnm-secondary); }
.vn-blog-profile__bio { margin: 0; color: var(--vnm-text); max-width: 40rem; }
.vn-blog-profile .vn-blog-author-links { margin-top: 1.25rem; }
@media (max-width: 699.98px) { .vn-blog-profile .vn-blog-author-links { justify-content: center; } }

/* ---------- Author links (archive header, author box) ---------- */
.vn-blog-author-links { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0 0; padding: 0; }
.vn-blog-author-links__link {
    display: inline-flex; align-items: center; gap: .45rem; min-height: 44px; padding: .5rem 1rem;
    border: 1px solid var(--vnm-border-strong); border-radius: var(--vnm-radius-pill); background: #fff;
    font-family: var(--vnm-font-heading); font-size: var(--vnm-fs-sm); font-weight: 600;
    color: var(--vnm-secondary) !important; text-decoration: none !important;
    transition: background-color var(--vnm-duration) var(--vnm-ease), border-color var(--vnm-duration) var(--vnm-ease);
}
.vn-blog-author-links__link:hover { background: var(--vnm-bg-secondary); border-color: var(--vnm-secondary); }
.vn-blog-author-links__link--primary { background: var(--vnm-primary-strong); border-color: var(--vnm-primary-strong); color: #fff !important; }
.vn-blog-author-links__link--primary:hover { background: var(--vnm-secondary); border-color: var(--vnm-secondary); }

/* ---------- Article header ---------- */
.vn-blog-header__lead { margin: 0 0 1.5rem; font-size: clamp(1.125rem, 1.05rem + .4vw, 1.3125rem); color: #3A4747; }
.vn-blog-byline { display: flex; align-items: center; gap: .85rem; }
.vn-blog-byline__photo { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; flex: none; border: 2px solid #fff; box-shadow: var(--vnm-shadow-sm); }
.vn-blog-byline__text { display: grid; gap: .1rem; margin: 0; font-size: var(--vnm-fs-sm); line-height: 1.45; }
.vn-blog-byline__name { font-weight: 600; color: var(--vnm-text-strong); }
.vn-blog-byline__name a { color: var(--vnm-secondary); }
.vn-blog-byline__meta { display: flex; flex-wrap: wrap; gap: .4rem; color: var(--vnm-text-muted); }
.vn-blog-cover { margin-bottom: 0; }

/* ---------- Article layout with table of contents ---------- */
.vn-blog-layout--toc { display: grid; gap: 2rem; }
.vn-blog-main { min-width: 0; }
.vn-blog-layout--toc .vn-blog-main { max-width: var(--vnm-narrow-width); width: 100%; margin-inline: auto; }

.vn-blog-toc {
    padding: 1.25rem 1.25rem 1rem; border: 1px solid var(--vnm-border); border-radius: var(--vnm-radius-lg);
    background: var(--vnm-bg-tint); max-width: var(--vnm-narrow-width); width: 100%; margin-inline: auto;
}
.vn-blog-toc__title { margin: 0 0 .5rem; font-family: var(--vnm-font-heading); font-size: var(--vnm-fs-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--vnm-secondary); }
.vn-blog-toc__list { list-style: none; margin: 0; padding: 0; counter-reset: vn-toc; }
.vn-blog-toc__list li { counter-increment: vn-toc; margin: 0; }
.vn-blog-toc__list a {
    display: flex; gap: .6rem; align-items: center; min-height: 44px; padding: .35rem .5rem; border-radius: var(--vnm-radius-sm);
    font-size: var(--vnm-fs-sm); line-height: 1.4; color: var(--vnm-text) !important; text-decoration: none !important;
}
.vn-blog-toc__list a::before { content: counter(vn-toc, decimal-leading-zero); flex: none; font-family: var(--vnm-font-heading); font-size: var(--vnm-fs-xs); font-weight: 700; color: var(--vnm-primary-strong); }
.vn-blog-toc__list a:hover { background: var(--vnm-bg-secondary); color: var(--vnm-secondary) !important; }

@media (min-width: 1100px) {
    .vn-blog-layout--toc { grid-template-columns: minmax(0, var(--vnm-narrow-width)) 16rem; justify-content: center; column-gap: clamp(2.5rem, 1rem + 3vw, 4.5rem); align-items: start; }
    .vn-blog-layout--toc .vn-blog-main { grid-column: 1; grid-row: 1; margin: 0; }
    .vn-blog-layout--toc .vn-blog-toc { grid-column: 2; grid-row: 1; position: sticky; top: calc(var(--vnm-header-height) + 1.5rem); max-height: calc(100vh - var(--vnm-header-height) - 3rem); overflow-y: auto; padding: 0 0 0 1.25rem; border: 0; border-left: 2px solid var(--vnm-border); border-radius: 0; background: none; }
    .admin-bar .vn-blog-layout--toc .vn-blog-toc { top: calc(var(--vnm-header-height) + 32px + 1.5rem); }
}

/* ---------- Article body ---------- */
.vn-blog-article .vn-prose--article :where(h2) { scroll-margin-top: calc(var(--vnm-header-height) + 1.5rem); }
.vn-blog-article .vn-prose--article :where(table) { border: 1px solid var(--vnm-border); border-radius: var(--vnm-radius-md); }
.vn-blog-article .vn-prose--article :where(thead th, thead td) { background: var(--vnm-bg-secondary); color: var(--vnm-secondary); font-family: var(--vnm-font-heading); }
.vn-blog-article .vn-prose--article :where(blockquote) { margin-inline: 0; padding: 1rem 1.25rem; border-left: 4px solid var(--vnm-primary); background: var(--vnm-bg-tint); border-radius: 0 var(--vnm-radius-md) var(--vnm-radius-md) 0; }
/* Diagrams drawn with box characters must keep their lines: scroll instead of wrapping. */
.vn-blog-article .vn-prose--article :where(pre) { white-space: pre; overflow-x: auto; max-width: 100%; font-size: var(--vnm-fs-xs); line-height: 1.45; }
.vn-blog-article .vn-prose--article :where(pre code) { font-size: inherit; background: none; padding: 0; color: inherit; }
.vn-blog-article .vn-prose--article :where(figure video) { display: block; width: 100%; height: auto; background: var(--vnm-bg-dark); }
.vn-blog-article .vn-prose--article :where(figure:has(> table)) { margin-block: 1.75rem; }
.vn-blog-article .vn-prose--article :where(a) { overflow-wrap: anywhere; }
.vn-blog-updated { margin: 2rem 0 0; font-size: var(--vnm-fs-sm); color: var(--vnm-text-muted); }

/* ---------- Featured document ---------- */
.vn-blog-doc {
    display: grid; gap: 1.25rem; margin: 3rem 0; padding: clamp(1.25rem, 1rem + 1.5vw, 2rem);
    border: 1px solid var(--vnm-border); border-radius: var(--vnm-radius-xl);
    background: var(--vnm-bg-secondary);
}
@media (min-width: 600px) { .vn-blog-doc { grid-template-columns: 13rem minmax(0, 1fr); align-items: center; } }
.vn-blog-doc__media {
    display: grid; place-items: center; aspect-ratio: 16 / 10; overflow: hidden;
    border-radius: var(--vnm-radius-md); background: #fff; box-shadow: var(--vnm-shadow-sm);
}
.vn-blog-doc__image { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.vn-blog-doc__icon { display: inline-grid; place-items: center; width: 88px; height: 88px; border-radius: var(--vnm-radius-lg); background: var(--vnm-bg-secondary); color: var(--vnm-secondary); }
.vn-blog-doc__body { min-width: 0; }
.vn-blog-doc__eyebrow { margin: 0 0 .25rem; font-family: var(--vnm-font-heading); font-size: var(--vnm-fs-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--vnm-secondary); }
.vn-blog-doc__title { margin: 0; font-size: var(--vnm-fs-h3); line-height: 1.3; color: var(--vnm-text-strong); overflow-wrap: anywhere; }
.vn-blog-doc__meta { margin: .3rem 0 0; font-size: var(--vnm-fs-xs); font-weight: 600; color: var(--vnm-text-muted); }
.vn-blog-doc__text { margin: .65rem 0 0; font-size: var(--vnm-fs-sm); line-height: 1.65; color: #3A4747; }
.vn-blog-doc__action { margin-top: 1.1rem; }
@media (max-width: 599.98px) {
    .vn-blog-doc__media { aspect-ratio: 16 / 9; }
    .vn-blog-doc__media--icon { aspect-ratio: auto; place-items: start; overflow: visible; background: none; box-shadow: none; }
    .vn-blog-doc__media--icon .vn-blog-doc__icon { width: 64px; height: 64px; background: #fff; }
    .vn-blog-doc__media--icon .vn-blog-doc__icon svg { width: 32px; height: 32px; }
    .vn-blog-doc__action { width: 100%; }
}

/* ---------- Author box ---------- */
.vn-blog-author {
    display: grid; gap: 1.25rem; margin: 3rem 0; padding: clamp(1.25rem, 1rem + 1.5vw, 2rem);
    border: 1px solid var(--vnm-border); border-radius: var(--vnm-radius-xl);
    background: linear-gradient(160deg, var(--vnm-bg-tint) 0%, var(--vnm-bg-secondary) 100%);
}
@media (min-width: 600px) { .vn-blog-author { grid-template-columns: auto minmax(0, 1fr); align-items: start; } }
.vn-blog-author__photo { width: 112px; height: 112px; border-radius: 50%; object-fit: cover; border: 4px solid #fff; box-shadow: var(--vnm-shadow-sm); }
.vn-blog-author__eyebrow { margin: 0 0 .25rem; font-family: var(--vnm-font-heading); font-size: var(--vnm-fs-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--vnm-secondary); }
.vn-blog-author__name { margin: 0; font-family: var(--vnm-font-heading); font-size: var(--vnm-fs-h3); font-weight: 700; line-height: 1.25; }
.vn-blog-author__name a { color: var(--vnm-text-strong); text-decoration: none; }
.vn-blog-author__name a:hover { color: var(--vnm-primary-strong); text-decoration: underline; }
.vn-blog-author__role { margin: .15rem 0 .75rem; font-size: var(--vnm-fs-sm); font-weight: 600; color: var(--vnm-secondary); }
.vn-blog-author__bio { margin: 0; font-size: var(--vnm-fs-sm); line-height: 1.65; color: #3A4747; }

/* ---------- Related use cases / features ---------- */
.vn-blog-related-pages { margin: 3rem 0; }
.vn-blog-related-pages__title { margin: 0 0 1rem; font-size: var(--vnm-fs-h3); }
.vn-blog-related-pages__list { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.vn-blog-related-pages__link {
    display: flex; align-items: center; gap: 1rem; min-height: 44px; padding: 1rem 1.15rem;
    border: 1px solid var(--vnm-border); border-radius: var(--vnm-radius-lg); background: #fff;
    color: var(--vnm-text) !important; text-decoration: none !important;
    transition: border-color var(--vnm-duration) var(--vnm-ease), box-shadow var(--vnm-duration) var(--vnm-ease);
}
.vn-blog-related-pages__link:hover { border-color: var(--vnm-border-strong); box-shadow: var(--vnm-shadow-md); }
.vn-blog-related-pages__link > .vn-icon { flex: none; color: var(--vnm-primary-strong); }
.vn-blog-related-pages__icon { display: inline-grid; place-items: center; flex: none; width: 44px; height: 44px; border-radius: 12px; background: var(--vnm-bg-secondary); color: var(--vnm-secondary); }
.vn-blog-related-pages__text { display: grid; gap: .1rem; flex: 1; min-width: 0; }
.vn-blog-related-pages__tag { font-size: var(--vnm-fs-xs); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--vnm-text-muted); }
.vn-blog-related-pages__text strong { font-family: var(--vnm-font-heading); font-weight: 600; color: var(--vnm-text-strong); }
.vn-blog-related-pages__desc { font-size: var(--vnm-fs-sm); color: var(--vnm-text-muted); }

/* ---------- Related articles ---------- */
.vn-blog-related .vn-blog-card__excerpt { -webkit-line-clamp: 2; }