/* Стили блога: список статей и страница статьи. Общие компоненты — в main.css */

/* === Список статей === */
.blog-list {
    padding: 0 0 80px;
}

.blog-card {
    display: flex;
    flex-direction: column;
    padding: 28px;
}

.blog-card__meta {
    margin-bottom: 14px;
    font: 500 12px/1.3 var(--font);
    color: var(--muted);
}

.blog-card h2 {
    margin-bottom: 10px;
    font: 600 19px/1.3 var(--font);
    letter-spacing: 0;
}

.blog-card p {
    flex: 1;
    font: 400 14px/1.5 var(--font);
    color: var(--muted);
}

.blog-card .link-arrow {
    margin-top: 18px;
}

/* === Статья === */
.article {
    display: grid;
    grid-template-columns: minmax(0, 720px) minmax(0, 1fr);
    gap: 64px;
    padding: 0 0 80px;
}

.article > article {
    min-width: 0;
}

.article__head {
    padding: 8px 0 40px;
}

.article__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    margin-bottom: 20px;
    font: 500 12px/1.3 var(--font);
    color: var(--muted);
}

.article__meta .eyebrow {
    margin-right: 6px;
}

.article__head h1 {
    max-width: 820px;
    margin-bottom: 20px;
    font-size: 46px;
    line-height: 1.08;
}

.article__head .lead {
    max-width: 720px;
}

.article__cover {
    margin: 0 0 40px;
    border-radius: var(--r-card);
    overflow: hidden;
    background: var(--tint-2);
}

.article__cover img {
    width: 100%;
    height: auto;
}

/* Product photographs show the complete assembly at every viewport width. */
.article__cover--product {
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
}
.article__cover--product img {
    height: clamp(220px, 32vw, 380px);
    object-fit: contain;
    filter: grayscale(1);
}

.toc ol {
    margin: 0;
    padding-left: 18px;
    font: 400 14px/1.5 var(--font);
    color: var(--ink-2);
}

.toc li + li {
    margin-top: 6px;
}

.toc a:hover {
    color: var(--accent-text);
}

.article__sources {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.article__sources h2 {
    margin: 0 0 12px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0;
}

.article__sources ol {
    padding-left: 20px;
    font: 400 14px/1.6 var(--font);
    color: var(--muted);
}

.article__sources a {
    display: inline-block;
    min-height: 24px;
    vertical-align: top;
    padding-block: 2px;
    word-break: break-word;
}

.article__help {
    margin-top: 40px;
}

/* === Адаптив === */
@media (max-width: 1024px) {
    .article {
        grid-template-columns: minmax(0, 1fr);
        gap: 40px;
    }

    .article__head h1 {
        font-size: 38px;
    }
}

@media (max-width: 640px) {
    .blog-list,
    .article {
        padding-bottom: 56px;
    }

    .article__head {
        padding-bottom: 28px;
    }

    .article__head h1 {
        font-size: 30px;
    }

    .blog-card {
        padding: 22px;
    }
}

/* Editorial features shared by the homepage and article index. */
.feature-article {
    position: relative;
    isolation: isolate;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    /* WebKit can retain the old stretched grid height after a width change.
       Size the feature from its own image and text on every layout pass. */
    align-self: start;
    min-width: 0;
    min-height: 440px;
    overflow: hidden;
    border-radius: var(--r-card);
    background: var(--ink);
    color: var(--on-dark);
}
.feature-article__image {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1.9 / 1;
    object-fit: cover;
    filter: grayscale(1);
    flex: 0 0 auto;
}
.feature-article--product .feature-article__image { object-fit: contain; padding: 20px; background: var(--surface); }
.feature-article__body {
    padding: 28px 36px 36px;
    width: 100%;
    min-width: 0;
    /* Include the content and padding in the flex basis; never compress them. */
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.feature-article__body > * { flex-shrink: 0; }
.feature-article__meta { margin: 0 0 12px; color: var(--accent-light); font: 600 12px/1.5 var(--font); letter-spacing: .08em; text-transform: uppercase; }
.feature-article h2, .feature-article h3 { max-width: 800px; margin: 0 0 14px; color: inherit; font: 700 32px/1.12 var(--font); letter-spacing: -.025em; }
.feature-article__excerpt { max-width: 720px; margin-bottom: 20px; font: 400 15px/1.5 var(--font); color: var(--on-dark-80); }
.feature-article__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.feature-article__actions .btn { white-space: normal; text-align: center; }
.feature-article h2 a:hover, .feature-article h3 a:hover { color: var(--accent-light); }
.article-card__cta { display: flex; flex-wrap: wrap; gap: 4px; margin-top: auto; padding-top: 14px; color: var(--accent-text); font: 500 13px/1.5 var(--font); }
.article-card__cta a { padding-block: 4px; }
.article-card__cta a:hover, .blog-card h2 a:hover { text-decoration: underline; text-underline-offset: 3px; }
.blog-card p { margin-bottom: 0; }
.blog-card h2 a { color: var(--ink); }
.blog-feature { margin-bottom: 24px; }
@media (min-width: 901px) {
    .blog-feature .feature-article { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); }
    .blog-feature .feature-article__image { height: 100%; aspect-ratio: auto; object-fit: contain; }
}
.blog-feature[hidden], .article-index > [hidden] { display: none; }
.rubric-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.rubric-filter__item { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 18px; border: 1px solid var(--border-20); border-radius: 100px; font: 500 14px/1.4 var(--font); }
.rubric-filter__item[aria-current="true"] { color: #fff; background: var(--ink); border-color: var(--ink); }
.rubric-filter__item:hover { border-color: var(--ink); }
.rubric-filter__status { margin-bottom: 20px; font-size: 13px; color: var(--muted); }
.article { grid-template-columns: minmax(0, 1fr) 340px; gap: 48px; }
.article-aside { min-width: 0; display: flex; flex-direction: column; gap: 12px; position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.article-aside section { padding: 22px; }
.article-aside h2 { margin: 0 0 16px; font: 600 12px/1.4 var(--font); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.article-aside ul { list-style: none; margin: 0; padding: 0; }
.article-aside li + li { border-top: 1px solid var(--border); margin-top: 12px; padding-top: 12px; }
.aside-products__item { display: flex; align-items: center; gap: 12px; font-size: 15px; line-height: 1.35; }
.aside-products__item img { flex: 0 0 56px; width: 56px; height: 56px; object-fit: contain; border-radius: 4px; background: var(--tint-2); filter: grayscale(1) contrast(1.05); }
.aside-products__item strong { display: block; font-weight: 600; }
.aside-products__item small { display: block; margin-top: 4px; font-size: 12px; color: var(--muted); }
.aside-products__item:hover strong, .aside-related a:hover { color: var(--accent-text); text-decoration: underline; }
.aside-service { color: var(--on-dark); background: var(--ink); border-radius: var(--r-card); }
.aside-service .eyebrow { color: var(--accent-light); margin-bottom: 10px; }
.aside-service h2 { font: 700 19px/1.25 var(--font); text-transform: none; letter-spacing: 0; color: inherit; margin-bottom: 12px; }
.aside-service > p:not(.eyebrow) { font: 400 13px/1.55 var(--font); color: var(--on-dark-80); margin-bottom: 16px; }
.aside-service .btn { width: 100%; }
.aside-service__details { display: inline-block; margin-top: 12px; font-size: 13px; color: var(--on-dark-80); }
.aside-service__details:hover { color: var(--accent-light); }
.aside-related a { display: block; font: 500 14px/1.4 var(--font); }
.toc { padding: 22px 24px; margin: 0 0 32px; }
.toc h2 { margin: 0 0 14px; font: 600 15px/1.4 var(--font); letter-spacing: 0; }
.toc ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 30px; }
.toc li + li { margin-top: 0; }
.toc a { display: block; padding-block: 2px; }
.callout { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 20px; margin-top: 32px; padding: 20px 24px; border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0; background: var(--tint); }
.callout h2 { margin: 0; font: 700 13px/1.5 var(--font); text-transform: uppercase; letter-spacing: .03em; color: var(--accent-text); }
.callout p { margin: 0; font: 400 15px/1.55 var(--font); }
@media (max-width: 1100px) and (min-width: 901px) {
    .article { grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; }
    .toc ol { grid-template-columns: 1fr; }
    .callout { grid-template-columns: 1fr; gap: 10px; }
}
@media (max-width: 900px) {
    .article { grid-template-columns: minmax(0, 1fr); gap: 32px; }
    .article-aside { position: static; }
    .aside-service { order: -1; }
}
@media (max-width: 640px) {
    .feature-article { min-height: 400px; }
    .feature-article__body { padding: 24px; }
    .feature-article h2, .feature-article h3 { font-size: 27px; }
    .feature-article__actions { flex-direction: column; align-items: stretch; }
    .toc { padding: 20px; }
    .toc ol { grid-template-columns: 1fr; }
    .callout { grid-template-columns: 1fr; gap: 10px; padding: 20px; }
}

.lab-callout { margin:32px 0; padding:24px; border:1px solid var(--border); border-radius:var(--r-card); background:var(--tint); }
.lab-callout h2 { font-size:24px; line-height:1.2; margin:10px 0 12px; }
.lab-callout > p:not(.eyebrow) { font-size:15px; line-height:1.65; color:var(--ink-2); }
.lab-callout > div { display:flex; flex-wrap:wrap; gap:16px 24px; margin-top:18px; font-size:14px; color:var(--accent-text); }
.lab-callout a { text-decoration:underline; text-underline-offset:4px; }
.lab-callout small { display:block; margin-top:14px; color:var(--muted); font-size:11px; }
@media(max-width:540px) { .lab-callout { padding:20px; } .lab-callout h2 { font-size:22px; } }