/*
 * MentorFold blog: single posts, post cards, archives. Builds on main.css + pages.css tokens.
 */

.container--post { max-width: 67.5rem; }

/* ---------------------------------------------------------------- Post hero */
.post-hero { padding: 8rem 0 3rem; }
.post-hero .crumbs { margin-bottom: 1.75rem; }
.post-hero__title { margin-top: 1.25rem; font-family: var(--font-display); font-weight: 600; font-size: clamp(2.1rem, 1.35rem + 3.1vw, 3.75rem); line-height: 1.06; letter-spacing: -.03em; color: var(--navy); text-wrap: balance; overflow-wrap: break-word; }
.post-hero__lead { margin-top: 1.5rem; max-width: 44rem; font-size: 1.1875rem; line-height: 1.65; color: var(--muted-foreground); }
.post-meta { margin-top: 2rem; display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.5rem; font-size: .9375rem; color: var(--muted-foreground); }
.post-meta li { display: inline-flex; align-items: center; gap: .5rem; }
.post-meta .icon { color: var(--electric); }
.post-meta__author strong { color: var(--navy); font-weight: 600; }
.post-meta__avatar { width: 2.5rem; height: 2.5rem; border-radius: 9999px; border: 2px solid var(--card); box-shadow: var(--shadow-card); }

/* ---------------------------------------------------------------- Cover */
.post-cover { margin: 0; overflow: hidden; border-radius: 1.75rem; background: var(--navy-deep); box-shadow: var(--shadow-lift); }
.post-cover img { display: block; width: 100%; height: auto; aspect-ratio: 1200 / 630; object-fit: cover; }

/* ---------------------------------------------------------------- Layout + TOC */
.post-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.5rem; padding-block: 3.5rem 5rem; max-width: 67.5rem; }
.post-article, .post-toc { min-width: 0; }
.post-article { max-width: 46rem; }
.post-hero__title, .post-hero__lead { max-width: 52rem; }
.post-toc__box { border: 1px solid var(--border); border-radius: 1.25rem; background: var(--light); padding: 1.25rem 1.5rem; }
.post-toc__title { display: flex; align-items: center; justify-content: space-between; cursor: pointer; list-style: none; font-family: var(--font-display); font-size: .72rem; font-weight: 600; letter-spacing: .28em; text-transform: uppercase; color: var(--electric); }
.post-toc__title::-webkit-details-marker { display: none; }
.post-toc__box[open] .post-toc__title .icon { transform: rotate(180deg); }
.post-toc ol { margin-top: 1rem; display: grid; gap: .125rem; counter-reset: toc; }
.post-toc li { counter-increment: toc; }
.post-toc a { display: grid; grid-template-columns: 1.75rem 1fr; padding: .4rem 0; font-size: .9375rem; line-height: 1.4; color: var(--muted-foreground); transition: color .2s; }
.post-toc a::before { content: counter(toc, decimal-leading-zero); font-family: var(--font-display); font-size: .75rem; font-weight: 600; padding-top: .15rem; color: color-mix(in oklab, var(--navy) 35%, transparent); }
.post-toc a:hover, .post-toc a[aria-current="true"] { color: var(--navy); }
.post-toc a[aria-current="true"]::before { color: var(--electric); }

@media (min-width: 64rem) {
	.post-layout--toc { grid-template-columns: minmax(0, 46rem) 17rem; justify-content: space-between; column-gap: 4.5rem; }
	.post-layout--toc .post-toc { grid-column: 2; grid-row: 1; }
	.post-layout--toc .post-article { grid-column: 1; grid-row: 1; }
	.post-toc__box { position: sticky; top: 7rem; max-height: calc(100vh - 9rem); overflow: auto; background: transparent; border: 0; border-left: 1px solid var(--border); border-radius: 0; padding: .25rem 0 .25rem 1.5rem; }
	.post-toc__title { pointer-events: none; }
	.post-toc__title .icon { display: none; }
}

/* ---------------------------------------------------------------- Article typography */
.post-prose { font-size: 1.125rem; line-height: 1.8; color: color-mix(in oklab, var(--ink) 92%, transparent); }
.post-prose > :first-child { margin-top: 0; }
.post-prose > p:first-child { font-size: 1.25rem; line-height: 1.7; color: var(--ink); }
.post-prose h2 { font-family: var(--font-display); font-size: clamp(1.6rem, 1.3rem + 1vw, 2.05rem); letter-spacing: -.02em; line-height: 1.2; margin-top: 2.75em; scroll-margin-top: 7rem; }
.post-prose h3 { font-family: var(--font-display); font-size: 1.3125rem; letter-spacing: -.01em; margin-top: 2em; scroll-margin-top: 7rem; }
.post-prose h2 + *, .post-prose h3 + * { margin-top: .75em; }
.post-prose strong { color: var(--navy); font-weight: 700; }
.post-prose a { color: var(--electric); text-decoration-thickness: 1px; transition: color .2s; }
.post-prose a:hover { color: var(--navy); }
.post-prose ul, .post-prose ol { padding-left: 0; list-style: none; }
.post-prose li { position: relative; padding-left: 2rem; }
.post-prose li + li { margin-top: .6em; }
.post-prose ul > li::before { content: ""; position: absolute; left: .35rem; top: .7em; width: .5rem; height: .5rem; border-radius: 2px; background: var(--electric); transform: rotate(45deg); }
.post-prose ol { counter-reset: li; }
.post-prose ol > li { counter-increment: li; }
.post-prose ol > li::before { content: counter(li); position: absolute; left: 0; top: .2em; display: grid; place-items: center; width: 1.45rem; height: 1.45rem; border-radius: 9999px; background: var(--soft); color: var(--electric); font-family: var(--font-display); font-size: .75rem; font-weight: 700; }
.post-prose blockquote { margin-block: 2.25em; padding: 1.5rem 1.75rem; border: 0; border-radius: 1.25rem; background: var(--light); font-family: var(--font-serif); font-size: 1.6rem; line-height: 1.35; font-style: italic; color: var(--navy); }
.post-prose figure { margin-block: 2.25em; }
.post-prose figcaption { margin-top: .75rem; text-align: center; font-size: .875rem; color: var(--muted-foreground); }
.post-prose hr { margin-block: 3em; border: 0; height: 1px; background: var(--border); }
.post-prose :not(pre) > code { padding: .1em .4em; border-radius: .4rem; background: var(--soft); color: var(--navy); }

/* ---------------------------------------------------------------- Post footer */
.post-foot { margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid var(--border); display: grid; gap: 1.5rem; }
.post-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.post-tags a { display: inline-block; padding: .4rem .9rem; border-radius: 9999px; background: var(--soft); font-size: .875rem; font-weight: 600; color: var(--navy); transition: background .2s, color .2s; }
.post-tags a:hover { background: var(--electric); color: var(--on-navy); }
.post-share { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.post-share__label { font-family: var(--font-display); font-size: .72rem; font-weight: 600; letter-spacing: .28em; text-transform: uppercase; color: var(--muted-foreground); }
.post-share ul { display: flex; flex-wrap: wrap; gap: .5rem; }
.post-share a, .post-share__copy { display: inline-grid; place-items: center; min-width: 2.75rem; height: 2.75rem; padding-inline: .9rem; border-radius: 9999px; border: 1px solid var(--border); background: var(--card); color: var(--navy); font: 600 .875rem var(--font-sans); cursor: pointer; transition: border-color .2s, color .2s, background .2s; }
.post-share a { padding-inline: 0; }
.post-share a:hover, .post-share__copy:hover { border-color: var(--electric); color: var(--electric); }
.post-share__copy.is-done { background: var(--electric); border-color: var(--electric); color: var(--on-navy); }

/* ---------------------------------------------------------------- Cards + grid */
.post-related .split-head { margin-bottom: 3rem; }
.post-grid { display: grid; gap: 1.75rem; }
@media (min-width: 48rem) { .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 64rem) { .post-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.post-card { position: relative; display: flex; flex-direction: column; overflow: hidden; border-radius: 1.5rem; border: 1px solid var(--border); background: var(--card); box-shadow: var(--shadow-card); transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s; }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); border-color: color-mix(in oklab, var(--electric) 35%, transparent); }
.post-card__media { display: block; overflow: hidden; aspect-ratio: 1200 / 630; background: var(--navy-deep); }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.post-card:hover .post-card__media img { transform: scale(1.04); }
.post-card__placeholder { display: grid; place-items: center; width: 100%; height: 100%; background-color: var(--navy); color: var(--bright); }
.post-card__body { display: flex; flex: 1; flex-direction: column; padding: 1.5rem 1.5rem 1.75rem; }
.post-card__meta { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; font-size: .8125rem; color: var(--muted-foreground); }
.post-card__cat { padding: .25rem .65rem; border-radius: 9999px; background: var(--soft); font-weight: 700; color: var(--electric); }
.post-card__title { margin-top: 1rem; font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; line-height: 1.3; letter-spacing: -.015em; color: var(--navy); }
.post-card__title a::after { content: ""; position: absolute; inset: 0; }
.post-card__excerpt { margin-top: .75rem; font-size: .9375rem; line-height: 1.6; color: var(--muted-foreground); }
.post-card__more { margin-top: auto; padding-top: 1.25rem; display: inline-flex; align-items: center; gap: .4rem; font-size: .875rem; font-weight: 700; color: var(--electric); }
.post-card__more .icon { transition: transform .3s var(--ease); }
.post-card:hover .post-card__more .icon { transform: translateX(4px); }

/* ---------------------------------------------------------------- Homepage section */
.home-blog__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem 2rem; margin-bottom: 3rem; }
.home-blog__title { margin-top: 1rem; font-family: var(--font-display); font-size: clamp(2.1rem, 1.45rem + 2.7vw, 4rem); font-weight: 600; line-height: 1.02; letter-spacing: -.035em; color: var(--navy); }
.home-blog__accent { font-family: var(--font-serif); font-style: italic; font-weight: 400; font-size: 1.06em; letter-spacing: -.01em; color: var(--electric); }

/* ---------------------------------------------------------------- Archive */
.blog-hero { padding-bottom: 3rem; }
.blog-cats { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.blog-cats a { display: inline-block; padding: .55rem 1.1rem; border-radius: 9999px; border: 1px solid var(--border); background: var(--card); font-size: .9375rem; font-weight: 600; color: var(--navy); transition: all .2s; }
.blog-cats a:hover, .blog-cats a[aria-current="page"] { border-color: var(--navy); background: var(--navy); color: var(--on-navy); }
.blog-pagination .nav-links { margin-top: 3.5rem; display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; }
.blog-pagination .page-numbers { display: inline-grid; place-items: center; min-width: 2.75rem; height: 2.75rem; padding-inline: 1rem; border-radius: 9999px; border: 1px solid var(--border); font-weight: 600; color: var(--navy); }
.blog-pagination .page-numbers.current, .blog-pagination a.page-numbers:hover { background: var(--navy); border-color: var(--navy); color: var(--on-navy); }
.blog-pagination .screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

@media (max-width: 40rem) {
	.post-hero { padding-top: 7rem; }
	.post-cover { border-radius: 1.25rem; }
	.post-prose { font-size: 1.0625rem; }
}