/* ============================================================
   Контентная страница / SEO-кокон (#2.4). Токены/компонент-слой ДС —
   глобально (/ds/*.css). Портировано из design-reference SeoArticle (ARTICLE_CSS),
   без preview-обёртки и избыточных медиа-вариантов (слайдеры/видео-демо).
   Категорийный акцент (--c/--c-soft) — из классов .c-* дизайн-системы.
   ============================================================ */

.art { padding-top: 8px; padding-bottom: 8px; }
.art section { margin: 22px 0; scroll-margin-top: 12px; }
.art section:first-of-type { margin-top: 14px; }

/* плейсхолдер медиа */
.art-ph { position: relative; height: 140px; border-radius: var(--r-md); overflow: hidden; display: grid; place-items: center;
  background:
    radial-gradient(120% 100% at 82% -14%, color-mix(in srgb, var(--c) 56%, #fff 8%), transparent 56%),
    linear-gradient(155deg, color-mix(in srgb, var(--c) 92%, #000 5%), color-mix(in srgb, var(--c) 52%, var(--brand-plum) 60%)); }
.art-ph__ic { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; background: rgba(255,255,255,0.2); }
.art-ph__tag { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); white-space: nowrap; font-size: var(--fs-xs); font-weight: var(--fw-bold); color: #fff; background: rgba(0,0,0,0.24); padding: 4px 11px; border-radius: var(--r-pill); }

/* прогресс чтения */
.art-progress { position: sticky; top: 0; z-index: 30; height: 3px; background: var(--border); margin: 0 calc(-1 * var(--gutter)); }
.art-progress__bar { display: block; height: 100%; transform-origin: 0 50%; background: linear-gradient(90deg, var(--primary), var(--rose)); transition: transform .1s linear; }

/* hero */
.art-hero__crumbs { margin-bottom: 12px; }
.art-eyebrow { display: inline-flex; align-items: center; gap: 5px; font-size: var(--fs-label); letter-spacing: var(--ls-label); text-transform: uppercase; font-weight: var(--fw-bold); color: var(--c); }
.art-eyebrow svg { width: 13px; height: 13px; }
.art-hero__title { margin: 10px 0 0; }
.art-hero__dek { margin: 10px 0 0; font-size: var(--fs-body); line-height: 1.55; color: var(--fg-2); }
.art-hero__meta { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin: 16px 0 16px; }
.art-hero__by { display: flex; flex-direction: column; line-height: 1.2; }
.art-hero__by b { font-size: var(--fs-sm); font-weight: var(--fw-bold); color: var(--fg); }
.art-hero__by span { font-size: var(--fs-xs); color: var(--fg-3); }
.art-hero__dot { width: 3px; height: 3px; border-radius: 50%; background: var(--border-2); }
.art-meta-i { display: inline-flex; align-items: center; gap: 4px; font-size: var(--fs-xs); color: var(--fg-2); }
.art-meta-i svg { width: 14px; height: 14px; color: var(--fg-3); }
.art-ava { width: 38px; height: 38px; flex: none; border-radius: 50%; display: grid; place-items: center; font-size: var(--fs-body); font-weight: var(--fw-extra); color: #fff; background: linear-gradient(150deg, var(--primary), var(--rose)); }
.art-ava--lg { width: 54px; height: 54px; font-size: var(--fs-h3); }

/* toc */
.art-toc { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 14px 16px; }
.art-toc__head { display: flex; align-items: center; gap: 8px; font-size: var(--fs-sm); font-weight: var(--fw-extra); color: var(--fg); margin-bottom: 8px; }
.art-toc__head svg { width: 17px; height: 17px; color: var(--primary); }
.art-toc__list { list-style: none; margin: 0; padding: 0; }
.art-toc__list li + li { border-top: 1px solid var(--border); }
.art-toc__list button { width: 100%; display: flex; align-items: center; gap: 10px; padding: 11px 0; background: none; border: none; font-family: inherit; font-size: var(--fs-sm); font-weight: var(--fw-semibold); color: var(--fg-2); text-align: left; cursor: pointer; }
.art-toc__list button:hover { color: var(--primary); }
.art-toc__list button > svg:last-child { width: 15px; height: 15px; margin-left: auto; color: var(--fg-3); flex: none; }
.art-toc__n { font-size: var(--fs-xs); font-weight: var(--fw-extra); color: var(--primary); min-width: 18px; }

/* takeaways */
.art-takeaways { border: 1px solid var(--border); border-left: 3px solid var(--primary); border-radius: var(--r-md); background: var(--primary-soft); padding: 16px 18px; }
.art-takeaways__head { display: flex; align-items: center; gap: 8px; font-size: var(--fs-sm); font-weight: var(--fw-extra); color: var(--primary-on-soft); margin-bottom: 10px; }
.art-takeaways__head svg { width: 16px; height: 16px; }
.art-takeaways ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.art-takeaways li { display: flex; align-items: flex-start; gap: 9px; font-size: var(--fs-sm); line-height: 1.5; color: var(--fg); }
.art-takeaways li svg { width: 15px; height: 15px; flex: none; margin-top: 2px; color: var(--primary); }

/* headings + text */
.art-h2 { margin: 0 0 10px; scroll-margin-top: 12px; }
.art-h3 { margin: 0 0 8px; }
.art-lead { margin: 0; font-size: 18px; line-height: 1.55; font-weight: var(--fw-medium); color: var(--fg); }
.art-p { margin: 0 0 12px; font-size: var(--fs-body); line-height: 1.62; color: var(--fg-2); }
.art-p:last-child { margin-bottom: 0; }
.art-p strong { color: var(--fg); font-weight: var(--fw-bold); }

/* pull-quote + blockquote */
.art-pull { position: relative; margin: 0; padding: 4px 0 4px 18px; border-left: 3px solid var(--rose); font-size: 20px; line-height: 1.35; font-weight: var(--fw-bold); letter-spacing: -0.01em; color: var(--fg); }
.art-pull svg { width: 20px; height: 20px; color: var(--rose); margin-bottom: 4px; display: block; }
.art-quote { margin: 0; padding: 16px 18px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.art-quote p { margin: 0 0 12px; font-size: var(--fs-body); line-height: 1.55; color: var(--fg); font-style: italic; }
.art-quote footer { display: flex; align-items: center; gap: 10px; }
.art-quote footer .who { display: flex; flex-direction: column; line-height: 1.25; }
.art-quote footer b { font-size: var(--fs-sm); font-weight: var(--fw-bold); color: var(--fg); }
.art-quote footer i { font-size: var(--fs-xs); font-style: normal; color: var(--fg-3); }

/* lists */
.art-ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.art-ul li { position: relative; display: flex; align-items: flex-start; gap: 11px; font-size: var(--fs-body); line-height: 1.5; color: var(--fg-2); }
.art-ul__dot { flex: none; width: 7px; height: 7px; margin-top: 8px; border-radius: 50%; background: var(--primary); }
.art-ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.art-ol li { display: flex; align-items: flex-start; gap: 12px; font-size: var(--fs-body); line-height: 1.5; color: var(--fg-2); }
.art-ol__n { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: var(--fs-sm); font-weight: var(--fw-extra); color: var(--primary-on-soft); background: var(--primary-soft); }

/* steps */
.art-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.art-step { position: relative; display: flex; gap: 14px; padding-bottom: 16px; }
.art-step:not(:last-child)::before { content: ""; position: absolute; left: 17px; top: 36px; bottom: 0; width: 2px; background: var(--border-2); }
.art-step__n { flex: none; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; z-index: 1; font-size: var(--fs-body); font-weight: var(--fw-extra); color: #fff; background: linear-gradient(150deg, var(--primary), var(--rose)); box-shadow: var(--shadow-sm); }
.art-step__body { display: flex; flex-direction: column; gap: 3px; padding-top: 5px; }
.art-step__body b { font-size: var(--fs-body); font-weight: var(--fw-bold); color: var(--fg); }
.art-step__body span { font-size: var(--fs-sm); line-height: 1.5; color: var(--fg-2); }

/* checklist */
.art-check { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.art-check li { display: flex; align-items: center; gap: 11px; font-size: var(--fs-body); color: var(--fg); }
.art-check__box { flex: none; width: 24px; height: 24px; border-radius: 7px; border: 2px solid var(--border-2); background: var(--surface); display: grid; place-items: center; cursor: pointer; transition: all var(--dur-fast); color: transparent; }
.art-check__box svg { width: 14px; height: 14px; }
.art-check__box.is-on { background: var(--success); border-color: var(--success); color: #fff; }
.art-check li span.is-done { color: var(--fg-3); text-decoration: line-through; }

/* callout */
.art-callout { display: flex; gap: 12px; padding: 14px 16px; border-radius: var(--r-md); border: 1px solid var(--border); }
.art-callout__ic { flex: none; width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; }
.art-callout__ic svg { width: 17px; height: 17px; }
.art-callout b { display: block; font-size: var(--fs-sm); font-weight: var(--fw-extra); margin-bottom: 3px; color: var(--fg); }
.art-callout p { margin: 0; font-size: var(--fs-sm); line-height: 1.55; color: var(--fg-2); }
.art-callout--info { background: var(--primary-soft); border-color: transparent; }
.art-callout--info .art-callout__ic { background: var(--primary); color: #fff; }
.art-callout--tip { background: var(--success-soft); border-color: transparent; }
.art-callout--tip .art-callout__ic { background: var(--success); color: #fff; }
.art-callout--warn { background: var(--warning-soft); border-color: transparent; }
.art-callout--warn .art-callout__ic { background: var(--warning); color: #fff; }

/* definition */
.art-def { border-radius: var(--r-md); border: 1px dashed var(--border-2); background: var(--surface-2); padding: 14px 16px; }
.art-def__label { font-size: var(--fs-xs); font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: .04em; color: var(--fg-3); }
.art-def__term { display: block; margin: 4px 0 6px; font-size: var(--fs-h3); font-weight: var(--fw-extra); color: var(--fg); }
.art-def p { margin: 0; font-size: var(--fs-sm); line-height: 1.55; color: var(--fg-2); }

/* figure + grid */
.art-figure { margin: 0; }
.art-figure figcaption { margin-top: 8px; font-size: var(--fs-xs); line-height: 1.45; color: var(--fg-3); text-align: center; }
.art-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.art-grid .art-ph { height: 100px; border-radius: var(--r-sm); }
.art-grid .art-ph__tag { font-size: 10px; padding: 2px 7px; bottom: 6px; }
.art-grid .art-ph:first-child { grid-column: span 2; }

/* tabs */
.art-tabs__bar { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.art-tabs__bar::-webkit-scrollbar { display: none; }
.art-tabs__tab { flex: none; height: 38px; padding: 0 16px; border-radius: var(--r-pill); border: 1px solid var(--border-2); background: var(--surface); color: var(--fg-2); font-family: inherit; font-size: var(--fs-sm); font-weight: var(--fw-semibold); cursor: pointer; transition: all var(--dur-fast); }
.art-tabs__tab.is-on { background: var(--accent-navy); color: #fff; border-color: transparent; }
[data-theme="dark"] .art-tabs__tab.is-on { background: var(--primary); }
.art-tabs__panel { margin-top: 14px; padding: 16px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--border); }

/* table */
.art-table-wrap { overflow-x: auto; border-radius: var(--r-md); border: 1px solid var(--border); scrollbar-width: none; }
.art-table-wrap::-webkit-scrollbar { display: none; }
.art-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); min-width: 360px; }
.art-table th { text-align: left; padding: 11px 14px; background: var(--surface-2); color: var(--fg-2); font-weight: var(--fw-bold); white-space: nowrap; }
.art-table td { padding: 11px 14px; border-top: 1px solid var(--border); color: var(--fg-2); }
.art-table__lead { font-weight: var(--fw-bold); color: var(--fg); }
.art-table tbody tr:hover { background: var(--surface-hover); }

/* pros/cons */
.art-pc { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.art-pc__col { border-radius: var(--r-md); padding: 14px; border: 1px solid var(--border); }
.art-pc__col--pro { background: var(--success-soft); border-color: transparent; }
.art-pc__col--con { background: var(--danger-soft); border-color: transparent; }
.art-pc__head { display: flex; align-items: center; gap: 6px; font-size: var(--fs-sm); font-weight: var(--fw-extra); margin-bottom: 10px; }
.art-pc__head svg { width: 15px; height: 15px; }
.art-pc__col--pro .art-pc__head { color: var(--success); }
.art-pc__col--con .art-pc__head { color: var(--danger); }
.art-pc__col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.art-pc__col li { display: flex; align-items: flex-start; gap: 7px; font-size: var(--fs-sm); line-height: 1.4; color: var(--fg); }
.art-pc__col li svg { width: 14px; height: 14px; flex: none; margin-top: 2px; }
.art-pc__col--pro li svg { color: var(--success); }
.art-pc__col--con li svg { color: var(--danger); }

/* stats */
.art-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.art-stat { text-align: center; padding: 16px 8px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.art-stat__v { display: block; font-size: 26px; font-weight: var(--fw-extra); letter-spacing: -0.02em; line-height: 1; background: linear-gradient(150deg, var(--primary), var(--rose)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.art-stat__l { display: block; margin-top: 6px; font-size: var(--fs-xs); line-height: 1.35; color: var(--fg-2); }

/* cta */
.art-cta { position: relative; overflow: hidden; isolation: isolate; border-radius: var(--r-lg); padding: 28px 22px 26px; text-align: center; color: #fff; display: flex; flex-direction: column; align-items: center; gap: 8px; box-shadow: var(--shadow-lg);
  background:
    radial-gradient(120% 90% at 85% -12%, color-mix(in srgb, var(--brand-coral) 62%, transparent), transparent 56%),
    radial-gradient(110% 90% at 8% 6%, color-mix(in srgb, var(--brand-violet) 52%, transparent), transparent 54%),
    linear-gradient(155deg, color-mix(in srgb, var(--accent-navy) 92%, var(--brand-rose) 18%), color-mix(in srgb, var(--brand-rose) 76%, var(--accent-navy) 32%)); }
.art-cta__spark { width: 48px; height: 48px; border-radius: 15px; display: grid; place-items: center; margin-bottom: 2px; background: rgba(255,255,255,0.18); border: 1px solid rgba(255,255,255,0.24); }
.art-cta__title { margin: 0; font-size: var(--fs-h2); font-weight: var(--fw-extra); line-height: 1.2; max-width: 22ch; }
.art-cta__sub { margin: 0; font-size: var(--fs-sm); line-height: 1.5; color: rgba(255,255,255,0.88); max-width: 34ch; }
.art-cta__btn { margin-top: 10px; display: inline-flex; align-items: center; gap: 8px; min-height: var(--tap-min); padding: 0 24px; border: none; border-radius: var(--r-pill); cursor: pointer; font-family: inherit; font-size: var(--fs-body); font-weight: var(--fw-bold); background: #fff; color: var(--accent-navy); box-shadow: var(--shadow-md); transition: transform var(--dur-fast) var(--ease-out); }
.art-cta__btn svg { width: 18px; height: 18px; }
.art-cta__btn:active { transform: scale(0.97); }

/* author */
.art-author { display: flex; gap: 14px; padding: 16px; border-radius: var(--r-md); background: var(--surface-2); border: 1px solid var(--border); }
.art-author__body { display: flex; flex-direction: column; }
.art-author__label { font-size: var(--fs-xs); font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: .04em; color: var(--fg-3); }
.art-author__body > b { font-size: var(--fs-body); font-weight: var(--fw-extra); color: var(--fg); margin-top: 2px; }
.art-author__role { font-size: var(--fs-xs); color: var(--primary); font-weight: var(--fw-semibold); }
.art-author p { margin: 8px 0 0; font-size: var(--fs-sm); line-height: 1.5; color: var(--fg-2); }

/* related */
.art-related { display: flex; flex-direction: column; gap: 10px; }
.art-related__card { display: flex; align-items: center; gap: 12px; padding: 10px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: transform var(--dur-fast), box-shadow var(--dur-fast); }
.art-related__card:active { transform: scale(0.99); }
.art-related__card:hover { box-shadow: var(--shadow-md); }
.art-related__card .art-ph { width: 84px; height: 64px; flex: none; border-radius: var(--r-sm); }
.art-related__card .art-ph__ic { width: 32px; height: 32px; border-radius: 9px; }
.art-related__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.art-related__body b { font-size: var(--fs-sm); font-weight: var(--fw-bold); color: var(--fg); line-height: 1.3; }
.art-related__meta { display: inline-flex; align-items: center; gap: 4px; font-size: var(--fs-xs); color: var(--fg-3); }
.art-related__meta svg { width: 12px; height: 12px; }
.art-related__card > svg { width: 18px; height: 18px; color: var(--fg-3); flex: none; }

/* footer */
.art-foot { display: flex; flex-direction: column; gap: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.art-helpful { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.art-helpful > span { font-size: var(--fs-sm); font-weight: var(--fw-semibold); color: var(--fg); }
.art-helpful__btns { display: flex; gap: 8px; }
.art-helpful__btns button { width: 40px; height: 40px; border-radius: var(--r-sm); border: 1px solid var(--border-2); background: var(--surface); color: var(--fg-2); display: grid; place-items: center; cursor: pointer; transition: all var(--dur-fast); }
.art-helpful__btns button svg { width: 16px; height: 16px; }
.art-helpful__btns button.is-on { background: var(--primary); border-color: transparent; color: #fff; }
.art-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.art-share { display: flex; gap: 10px; }

@media (min-width: 760px) {
  .art-lead { font-size: 20px; }
  .art-hero__title { font-size: var(--fs-display); }
}

/* ── #2.4.2/#2.4.3 · подтипы коконов: мини-статья и сторителлинг ── */
.art-sub-switch { display: inline-flex; gap: 2px; padding: 3px; border-radius: var(--r-pill); background: var(--surface-2); margin-bottom: 16px; }
.art-sub-switch a { padding: 6px 14px; border-radius: var(--r-pill); font-size: var(--fs-xs); font-weight: var(--fw-bold); color: var(--fg-2); text-decoration: none; }
.art-sub-switch a.is-active { background: var(--surface); color: var(--fg); box-shadow: var(--shadow-sm); }

/* мини-статья */
.art--mini { max-width: 600px; }
.art-mini-points { display: flex; flex-direction: column; gap: 10px; margin: 18px 0; }
.art-mini-point { display: flex; gap: 12px; align-items: flex-start; padding: 13px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm); font-size: var(--fs-sm); line-height: 1.5; color: var(--fg); }
.art-mini-point__n { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--primary); color: var(--fg-on-brand); font-size: var(--fs-sm); font-weight: var(--fw-extra); }
.art-related-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }

/* сторителлинг */
.art--story { max-width: 640px; }
.art-story-hero { border-radius: var(--r-lg); padding: 26px 22px; margin-bottom: 22px; color: var(--fg-on-brand); background: linear-gradient(150deg, var(--c, var(--primary)), color-mix(in srgb, var(--c, var(--primary)) 50%, var(--brand-navy) 62%)); }
.art-story-hero h1 { margin: 10px 0 8px; font-family: var(--font-display); font-size: var(--fs-h1); font-weight: var(--fw-extra); line-height: 1.12; letter-spacing: -0.02em; }
.art-story-hero p { margin: 0; font-size: var(--fs-body); line-height: 1.5; opacity: .92; }
.art-chapter { position: relative; padding: 0 0 26px 0; }
.art-chapter__mark { margin-bottom: 12px; }
.art-chapter__ic { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; color: var(--fg-on-brand); background: linear-gradient(150deg, var(--c, var(--primary)), color-mix(in srgb, var(--c, var(--primary)) 55%, var(--brand-navy) 60%)); }
.art-chapter__ic svg { width: 22px; height: 22px; }
.art-quote { margin: 16px 0 0; padding: 14px 18px; border-left: 4px solid var(--c, var(--primary)); background: var(--surface-2); border-radius: 0 var(--r-md) var(--r-md) 0; font-family: var(--font-display); font-size: var(--fs-body); font-weight: var(--fw-bold); font-style: italic; line-height: 1.4; color: var(--fg); }