/*
 * EM-086 page layer: blog, article, author, CMS and legal pages, «Для центров», advertising, forms.
 * Colours are tokens of resources/css/tokens.css only; type is the site sans, as on the home page.
 * Text on the dark band (--km-band) uses the band tokens: AA in both themes.
 */

/* ---------------------------------------------------------------- dark hero band */
.edu-pages-main { min-width: 0; }
.pages-hero { padding: clamp(3rem, 7vw, 5.75rem) 0 clamp(2.75rem, 6vw, 4.75rem); background: var(--km-band); color: var(--km-band-ink); }
.pages-hero__inner { max-width: var(--digi-width); }
.pages-eyebrow { margin: 0 0 .8rem; color: var(--km-primary); font-size: .8125rem; font-weight: 750; letter-spacing: -.01em; }
.pages-hero .pages-eyebrow, .edu-cabinet-for-centers .pages-eyebrow { color: var(--km-band-accent); }
.pages-hero h1, .pages-article__header h1, .pages-author h1, [data-digi-author] h1 {
    max-width: 52rem; margin: 0; color: inherit;
    font-size: clamp(2.4rem, 5.5vw, 4.5rem); font-weight: 850; line-height: 1.02; letter-spacing: -.06em;
    overflow-wrap: break-word; hyphens: auto;
}
.pages-hero__lead { max-width: 44rem; margin: 1.4rem 0 0; color: var(--km-band-muted); font-size: clamp(1rem, 2vw, 1.2rem); line-height: 1.6; }
.pages-hero__lead a { color: var(--km-band-ink); }

/* ---------------------------------------------------------------- shells, tabs, cards */
.pages-shell { padding-block: clamp(2.25rem, 5vw, 4.5rem) clamp(4rem, 8vw, 7rem); }
.pages-tabs { display: flex; flex-wrap: wrap; gap: .625rem; margin-bottom: 3rem; }
.pages-tabs a { display: inline-flex; min-height: 2.75rem; align-items: center; padding: .5rem 1rem; border: 1px solid var(--km-line); border-radius: 999px; background: var(--km-surface); color: var(--km-ink); text-decoration: none; }
.pages-tabs a:hover, .pages-tabs a:focus-visible { border-color: var(--km-primary); color: var(--km-primary); }
.pages-section { margin-top: clamp(2.75rem, 6vw, 5rem); }
.pages-section__head { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.4rem; }
.pages-section h2 { margin: 0 0 1.25rem; font-size: clamp(1.65rem, 3vw, 2.45rem); letter-spacing: -.045em; }
.pages-card-grid, [data-digi-author-posts] .digi-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.125rem; list-style: none; margin: 0; padding: 0; }
.pages-card-grid > li { min-width: 0; }
.pages-card-grid .digi-card, [data-digi-author-posts] .digi-card { height: 100%; overflow: hidden; border: 1px solid var(--km-line); border-radius: var(--km-radius); background: var(--km-surface); box-shadow: var(--km-shadow-sm); transition: transform .2s ease, border-color .2s ease; }
.pages-card-grid .digi-card:hover, [data-digi-author-posts] .digi-card:hover { border-color: var(--km-primary); transform: translateY(-3px); }
.pages-card-grid .digi-card > picture, .pages-card-grid .digi-card > img { display: block; width: 100%; height: 10.5rem; object-fit: cover; }
.pages-card-grid .digi-card__body { padding: 1.25rem 1.25rem 1.375rem; }
.pages-card-grid .digi-card__title { margin: 0 0 .55rem; font-size: 1.25rem; line-height: 1.15; letter-spacing: -.03em; }
.pages-card-grid .digi-card__title a { color: var(--km-ink); text-decoration: none; }
.pages-card-grid .digi-card__title a:hover { color: var(--km-primary); }
.pages-card-grid .digi-card__meta, .pages-card-grid .digi-card__body > p { color: var(--km-muted); line-height: 1.55; }

/* ---------------------------------------------------------------- EM-090a blog cards on coloured covers */
/* Each cover pairs a token background with its own text token: AA in both themes (tokens.css). */
.edu-blog-card--c1 { --edu-cover-bg: var(--km-primary); --edu-cover-ink: var(--km-on-primary); }
.edu-blog-card--c2 { --edu-cover-bg: var(--km-coral); --edu-cover-ink: var(--km-on-coral); }
.edu-blog-card--c3 { --edu-cover-bg: var(--km-band); --edu-cover-ink: var(--km-band-ink); --edu-cover-line: var(--km-band-line); }
.edu-blog-card--c4 { --edu-cover-bg: var(--km-lime); --edu-cover-ink: var(--km-on-lime); }
.edu-blog-card { position: relative; display: flex; flex-direction: column; height: 100%; overflow: hidden; border: 1px solid var(--edu-cover-line, transparent); border-radius: var(--km-radius); background: var(--edu-cover-bg); color: var(--edu-cover-ink); box-shadow: var(--km-shadow-sm); transition: transform .2s ease; }
.edu-blog-card:hover { transform: translateY(-3px); }
.edu-blog-card:focus-within { outline: 3px solid var(--km-primary); outline-offset: 3px; }
.edu-blog-card__img picture, .edu-blog-card__img img { display: block; width: 100%; height: 10.5rem; object-fit: cover; }
.edu-blog-card__cover { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; min-height: 10rem; padding: 1.5rem; }
.edu-blog-card .edu-blog-card__title { margin: 0 0 .5rem; color: inherit; font-size: 1.35rem; line-height: 1.15; letter-spacing: -.03em; overflow-wrap: break-word; hyphens: auto; }
.edu-blog-card__title a { color: inherit; text-decoration: none; outline: none; }
.edu-blog-card__title a::after { content: ""; position: absolute; inset: 0; }
.edu-blog-card__excerpt { margin: 0 0 .75rem; color: inherit; font-size: .9375rem; line-height: 1.5; }
.edu-blog-card__meta { margin: 0; color: inherit; font-size: .8125rem; font-weight: 600; }

/* closing band of the blog pages */
.pages-cta-band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; margin-top: clamp(3rem, 6vw, 5rem); padding: clamp(1.5rem, 4vw, 2.75rem); border-radius: var(--km-radius); background: var(--km-primary); color: var(--km-on-primary); }
.pages-cta-band > div { min-width: 0; }
.pages-cta-band .pages-eyebrow { color: inherit; }
.pages-cta-band h2 { margin: 0; color: inherit; font-size: clamp(1.5rem, 3vw, 2.2rem); letter-spacing: -.04em; overflow-wrap: break-word; }
.pages-cta-band__button, .pages-cta-band__button:hover { background: var(--km-coral); border-color: var(--km-coral); color: var(--km-on-coral); }

/* ---------------------------------------------------------------- author (core markup of digi-blog) */
[data-digi-author] { max-width: 52rem; padding-top: 1rem; }
[data-digi-author] img { width: 5rem; height: 5rem; margin-bottom: 1.4rem; border-radius: 50%; object-fit: cover; }
[data-digi-author] h1 { margin-bottom: .8rem; }
[data-digi-author] .digi-lead { color: var(--km-muted); font-size: 1.2rem; }
[data-digi-author-posts] { margin-top: clamp(2.75rem, 6vw, 5rem); }
[data-digi-author-posts] h2 { font-size: clamp(1.65rem, 3vw, 2.45rem); letter-spacing: -.045em; }

/* ---------------------------------------------------------------- article: one column, one left edge */
.pages-shell--article > * { max-width: 74rem; margin-inline: auto; }
.pages-article__header { padding-bottom: 2rem; }
.pages-article__header > * { max-width: 52rem; }
.pages-article__lead { margin: 0 0 1.25rem; color: var(--km-muted); font-size: clamp(1.05rem, 2vw, 1.25rem); line-height: 1.6; }
.pages-article__header h1 { margin-bottom: 1rem; }
.pages-article__header .digi-card__meta { color: var(--km-muted); font-size: .8125rem; }
.pages-article__excerpt { margin: 0 0 2rem; color: var(--km-muted); font-size: 1.2rem; line-height: 1.6; }
.pages-toc { margin: 2rem 0 3rem; padding: 1.3rem 1.5rem; border-inline-start: 4px solid var(--km-lime); border-radius: 0 var(--km-radius-md) var(--km-radius-md) 0; background: var(--km-surface); box-shadow: var(--km-shadow-sm); }
.pages-toc strong { display: block; margin-bottom: .8rem; }
.pages-toc ol { margin: 0; padding-inline-start: 1.2rem; }
.pages-toc li + li { margin-top: .5rem; }
.pages-toc a { color: var(--km-ink); }
.pages-toc a:hover { color: var(--km-primary); }
.pages-article__body { font-size: 1.0625rem; line-height: 1.78; }
.pages-article__body h2 { margin-top: 3rem; font-size: clamp(1.55rem, 3vw, 2.2rem); letter-spacing: -.04em; }
.pages-article__body img { max-width: 100%; height: auto; border-radius: var(--km-radius-md); }
.pages-article__body blockquote { margin: 2rem 0; padding: 1rem 1.25rem; border-inline-start: 4px solid var(--km-lime); background: var(--km-lavender); font-size: 1.3rem; font-weight: 700; line-height: 1.35; letter-spacing: -.02em; }
/* EM-090a: the article column and its aside «В этой статье» + catalog button. */
.pages-article-layout { display: grid; grid-template-columns: minmax(0, 52rem) 17rem; gap: clamp(2rem, 5vw, 4rem); align-items: start; justify-content: space-between; }
.pages-article { min-width: 0; }
.pages-article__cover { margin: 0 0 2rem; }
.pages-article__cover img { display: block; width: 100%; height: auto; border-radius: var(--km-radius); }
.pages-article-aside { position: sticky; top: calc(var(--km-header-h) + 1.5rem); min-width: 0; padding: 1.25rem; border: 1px solid var(--km-line); border-radius: var(--km-radius); background: var(--km-surface); box-shadow: var(--km-shadow-sm); }
.pages-article-aside__toc strong { display: block; margin-bottom: .5rem; }
.pages-article-aside__toc ol { margin: 0 0 1rem; padding: 0; list-style: none; }
.pages-article-aside__toc li { border-bottom: 1px solid var(--km-line); }
.pages-article-aside__toc li[data-digi-toc-level="3"] { padding-inline-start: .75rem; }
.pages-article-aside__toc a { display: block; padding: .6rem 0; color: var(--km-ink); font-size: .9375rem; line-height: 1.35; overflow-wrap: break-word; }
.pages-article-aside__toc a:hover { color: var(--km-primary); }
.pages-article-aside__cta { width: 100%; justify-content: center; }
.edu-article__tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2.5rem; }
.pages-shell--article [data-digi-zone] h2 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); letter-spacing: -.04em; }

/* ---------------------------------------------------------------- CMS and legal pages */
.pages-reading-layout { display: grid; grid-template-columns: minmax(0, 52rem) 16rem; gap: clamp(2rem, 7vw, 5rem); align-items: start; justify-content: center; }
.pages-toc--sticky { position: sticky; top: 6.5rem; margin: 0; }
.pages-shell--static .pages-article__body { min-width: 0; }
.pages-faq { max-width: 52rem; margin-inline: auto; }
.pages-faq details { margin-top: .8rem; padding: 1rem 1.2rem; border: 1px solid var(--km-line); border-radius: var(--km-radius-sm); background: var(--km-surface); }
.pages-faq summary { cursor: pointer; font-weight: 700; }
.pages-faq [data-digi-faq-answer] { margin-top: .9rem; color: var(--km-muted); }

/* ---------------------------------------------------------------- dark callouts: for-centers, claim */
.edu-cabinet-for-centers, .edu-cabinet-claim { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; margin: 2rem 0 4rem; padding: clamp(1.5rem, 5vw, 3.5rem); border-radius: var(--km-radius); background: var(--km-band); color: var(--km-band-ink); }
.edu-cabinet-claim { display: flex; flex-wrap: wrap; justify-content: space-between; }
.edu-cabinet-for-centers h2 { margin: 0; color: inherit; font-size: clamp(1.7rem, 4vw, 3rem); letter-spacing: -.05em; }
.edu-cabinet-for-centers a:not(.digi-button), .edu-cabinet-claim a:not(.digi-button) { color: var(--km-band-ink); }
.edu-cabinet-for-centers { box-sizing: border-box; width: min(100% - 2 * var(--km-gutter), var(--digi-width)); margin-inline: auto; }
.pages-callout__actions { display: flex; flex-wrap: wrap; gap: .7rem; justify-content: end; }
/* Quiet button on the dark band: outline, band text (the default quiet one is light-on-light there). */
.edu-cabinet-for-centers .digi-button--quiet, .edu-b2b-hero .digi-button--quiet { background: transparent; color: var(--km-band-ink); border-color: var(--km-band-muted); }
.edu-cabinet-for-centers .digi-button--quiet:hover, .edu-b2b-hero .digi-button--quiet:hover { background: var(--km-band-line); color: var(--km-band-ink); }

/* ---------------------------------------------------------------- EM-090a «Для центров» landing */
.edu-fc-hero__actions { margin: 2rem 0 0; }
.edu-fc-hero__primary, .edu-fc-hero__primary:hover { background: var(--km-coral); border-color: var(--km-coral); color: var(--km-on-coral); }
.edu-fc { padding-bottom: 0; }
.edu-fc-section + .edu-fc-section { margin-top: clamp(2.75rem, 6vw, 4.5rem); padding-top: clamp(2.75rem, 6vw, 4.5rem); border-top: 1px solid var(--km-line); }
.edu-fc-section > h2 { margin: 0 0 1.5rem; font-size: clamp(1.65rem, 3vw, 2.45rem); letter-spacing: -.045em; }
.edu-fc-steps, .edu-fc-products { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.125rem; margin: 0; padding: 0; list-style: none; }
.edu-fc-card { min-width: 0; padding: 1.5rem; border: 1px solid var(--km-line); border-radius: var(--km-radius); background: var(--km-surface); box-shadow: var(--km-shadow-sm); }
.edu-fc-steps .edu-fc-card { border-top: 3px solid var(--km-primary); }
.edu-fc-card h2, .edu-fc-card h3 { margin: 0 0 .5rem; font-size: 1.2rem; letter-spacing: -.02em; overflow-wrap: break-word; }
.edu-fc-card p { margin: 0; color: var(--km-muted); line-height: 1.55; }
.edu-fc-steps__n { display: inline-grid; place-items: center; width: 2rem; height: 2rem; margin-bottom: 1rem; border-radius: 50%; background: var(--km-primary); color: var(--km-on-primary); font-weight: 800; }
.edu-fc-products .edu-fc-card { display: flex; flex-direction: column; }
.edu-fc-card--catalog { background: var(--km-lavender); }
.edu-fc-card__link { margin-top: auto; padding-top: 1rem; color: var(--km-primary); font-weight: 700; }
.edu-fc-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.125rem; }

/* ---------------------------------------------------------------- forms in cards */
.pages-form-card { border: 1px solid var(--km-line); border-radius: var(--km-radius-md); background: var(--km-surface); box-shadow: var(--km-shadow-sm); }
.pages-form-card.edu-lead-form--closed, .edu-report-form.pages-form-card { padding: 1rem; }
.pages-form-card .edu-report-form__body, .pages-form-card .edu-lead-form__body { padding: 1.25rem; }
.edu-lead-form__toggle, .edu-report-form__toggle { width: 100%; justify-content: center; }
.edu-form__context { margin-bottom: .75rem; color: var(--km-muted); }

/* ---------------------------------------------------------------- advertising (edu-ads b2b) */
.pages-b2b-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, 28rem); gap: clamp(2rem, 6vw, 5rem); align-items: center; max-width: var(--digi-width); margin: 0 auto 1.5rem; padding: clamp(2rem, 6vw, 5rem); border-radius: var(--km-radius); background: var(--km-band); color: var(--km-band-ink); }
.edu-b2b-hero h1 { color: inherit; }
.edu-b2b-hero .edu-lead, .edu-b2b-hero .edu-b2b-small { color: var(--km-band-muted); }
.edu-b2b-hero .edu-b2b-small a { color: var(--km-band-ink); }
.edu-b2b-hero > div:last-child { min-width: 0; }
.edu-b2b-hero img { max-width: 100%; height: auto; border-radius: var(--km-radius-sm); }
/* The sample card keeps the page colours, not the band ones. */
.edu-b2b-hero .edu-results { color: var(--km-ink); }
.pages-b2b-section { max-width: var(--digi-width); margin: 1.5rem auto; padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--km-line); border-radius: var(--km-radius); background: var(--km-surface); }
.pages-b2b-section h2 { margin-top: 0; }
.edu-b2b-grid > li, .edu-b2b-mock { box-shadow: var(--km-shadow-sm); }

@media (max-width: 52em) {
    .pages-card-grid, [data-digi-author-posts] .digi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .pages-reading-layout, .pages-b2b-hero { grid-template-columns: 1fr; }
    .pages-toc--sticky, .pages-article-aside { position: static; }
    .pages-article-layout { grid-template-columns: minmax(0, 1fr); }
    .edu-fc-steps, .edu-fc-products, .edu-fc-pair { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 37.5em) {
    .pages-hero { padding-block: 2.75rem 3rem; }
    .pages-hero h1, .pages-article__header h1, [data-digi-author] h1 { font-size: 2.375rem; }
    .pages-card-grid, [data-digi-author-posts] .digi-grid { grid-template-columns: 1fr; }
    .pages-b2b-hero { padding: 2rem 1.25rem; }
    .edu-cabinet-for-centers, .edu-cabinet-claim { display: grid; grid-template-columns: 1fr; align-items: start; }
    .pages-callout__actions { justify-content: start; }
}
@media (prefers-reduced-motion: reduce) { .pages-card-grid .digi-card, .edu-blog-card { transition: none; } .edu-blog-card:hover { transform: none; } }

/* EM-106 ui4 */
.pages-hero { background: var(--km-head-bg); color: var(--km-head-ink); border-bottom: 1px solid var(--km-head-line); }
.pages-hero h1 { color: var(--km-head-ink); }
.pages-hero .pages-eyebrow { color: var(--km-primary); }
.pages-hero__lead { color: var(--km-head-muted); }