/* Blog/Articles — единый стайл-набор статейного шаблона (поверка-воды.ру).
   Структура повторяет zhes-savvino: hero + key-points + sticky TOC +
   секции + inline-CTA + FAQ + author + related + requisites.
   Класс-префикс .bp-* (blog page) — не конфликтует со старыми .text-page-*. */

/* ===== Hero ===== */
.bp-hero { padding: var(--spacing-lg) 0 var(--spacing-md); }
.bp-hero h1 {
    font-size: clamp(1.65rem, 1.1rem + 1.7vw, 2.5rem);
    line-height: 1.18;
    margin: 0 0 var(--spacing-sm);
    color: var(--color-text);
    letter-spacing: -0.01em;
}
.bp-hero-lead {
    font-size: clamp(1rem, 0.95rem + 0.3vw, 1.15rem);
    line-height: 1.55;
    color: var(--color-text);
    max-width: 760px;
    margin: 0 0 var(--spacing-sm);
}
.bp-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: center;
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}
.bp-meta-item { display: inline-flex; align-items: center; gap: 0.35rem; }
.bp-meta-cat {
    background: #eff6ff;
    color: var(--color-primary);
    padding: 0.18rem 0.6rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}
.bp-meta svg { width: 14px; height: 14px; }

/* ===== Cover (SVG-обложка) ===== */
.bp-cover {
    width: 100%;
    aspect-ratio: 1200 / 540;
    border-radius: 18px;
    overflow: hidden;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
}
.bp-cover svg, .bp-cover img { width: 100%; height: 100%; display: block; }

/* ===== Коротко о главном (callout) ===== */
.bp-keypoints {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid rgba(37, 99, 235, 0.18);
    border-radius: 16px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}
.bp-keypoints-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--color-primary);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 0.85rem;
}
.bp-keypoints-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.bp-keypoints-list li {
    position: relative;
    padding-left: 1.6rem;
    line-height: 1.45;
    color: var(--color-text);
}
.bp-keypoints-list li::before {
    content: "";
    position: absolute;
    left: 0; top: 0.35rem;
    width: 1.1rem; height: 1.1rem;
    background: var(--color-primary);
    border-radius: 999px;
    box-shadow: inset 0 0 0 4px #fff;
}
.bp-keypoints-list strong { color: var(--color-primary); }

/* ===== Two-column layout: content + sticky TOC ===== */
.bp-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: var(--spacing-xl);
    align-items: start;
}
.bp-content { min-width: 0; }
.bp-toc {
    position: sticky;
    top: 96px;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 1.1rem 1.2rem;
    font-size: 0.92rem;
}
.bp-toc-title {
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 0.6rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
}
.bp-toc-list { list-style: none; counter-reset: bp-toc; margin: 0; padding: 0; display: grid; gap: 0.4rem; }
.bp-toc-list li { counter-increment: bp-toc; }
.bp-toc-list a {
    display: block;
    color: var(--color-text);
    text-decoration: none;
    line-height: 1.35;
    padding: 0.3rem 0 0.3rem 1.6rem;
    position: relative;
    border-left: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}
.bp-toc-list a::before {
    content: counter(bp-toc);
    position: absolute;
    left: 0.3rem; top: 0.3rem;
    color: var(--color-text-light);
    font-weight: 600;
    font-size: 0.82rem;
}
.bp-toc-list a:hover { color: var(--color-primary); }
.bp-toc-list a.is-active {
    color: var(--color-primary);
    font-weight: 600;
    border-left-color: var(--color-primary);
}

/* ===== Секции H2 ===== */
.bp-section { padding: 0; margin: 0 0 var(--spacing-md); scroll-margin-top: 90px; }
.bp-final-cta, .bp-hub-cat-group { padding: 0; }
.bp-hub-cat-group { padding: 0; margin-bottom: var(--spacing-md); }
.bp-final-cta { padding: var(--spacing-lg) var(--spacing-md); }
.bp-section h2 {
    font-size: clamp(1.3rem, 1.05rem + 0.7vw, 1.7rem);
    line-height: 1.2;
    color: var(--color-text);
    margin: 0 0 0.6rem;
    letter-spacing: -0.005em;
}
.bp-section h3 {
    font-size: 1.1rem;
    line-height: 1.25;
    color: var(--color-text);
    margin: 1.1rem 0 0.45rem;
}
.bp-section p { line-height: 1.55; margin: 0 0 0.65rem; color: var(--color-text); }
.bp-section ul, .bp-section ol { line-height: 1.55; margin: 0 0 0.7rem; padding-left: 1.4rem; }
.bp-section li { margin: 0.2rem 0; }
.bp-section strong { color: var(--color-text); font-weight: 700; }
.bp-section table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.95rem;
}
.bp-section th, .bp-section td {
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--color-border);
    text-align: left;
}
.bp-section th { background: var(--color-bg-light); font-weight: 600; }

/* ===== Inline CTA-врезка ===== */
.bp-cta-inline {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 14px;
    padding: 1.25rem 1.4rem;
    margin: 1.5rem 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.9rem 1.2rem;
}
.bp-cta-inline-text { flex: 1 1 240px; }
.bp-cta-inline-text strong { display: block; font-size: 1.05rem; color: var(--color-text); margin-bottom: 0.2rem; }
.bp-cta-inline-text span { color: var(--color-text-light); font-size: 0.92rem; }
.bp-cta-inline .btn {
    background: var(--color-primary);
    color: #fff;
    border: 0;
    padding: 0.7rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
}
.bp-cta-inline .btn:hover { background: var(--color-primary-dark); }

/* ===== FAQ ===== */
.bp-faq { display: grid; gap: 0.65rem; }
.bp-faq details {
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 0;
    overflow: hidden;
    transition: border-color 0.15s;
}
.bp-faq details[open] { border-color: rgba(37, 99, 235, 0.4); background: #fff; }
.bp-faq summary {
    list-style: none;
    cursor: pointer;
    padding: 1rem 1.2rem;
    font-weight: 600;
    color: var(--color-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    line-height: 1.4;
}
.bp-faq summary::-webkit-details-marker { display: none; }
.bp-faq summary::after {
    content: "+";
    font-size: 1.4rem;
    color: var(--color-primary);
    line-height: 1;
    flex: 0 0 auto;
    transition: transform 0.2s;
}
.bp-faq details[open] summary::after { content: "−"; }
.bp-faq-body { padding: 0 1.2rem 1.1rem; color: var(--color-text); line-height: 1.6; }
.bp-faq-body p:last-child { margin-bottom: 0; }

/* ===== Author block (E-E-A-T) ===== */
.bp-author {
    display: flex;
    gap: 1rem;
    align-items: center;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 1rem 1.2rem;
    margin: var(--spacing-md) 0;
}
.bp-author-avatar {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #dbeafe 0%, #93c5fd 100%);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; color: var(--color-primary);
    font-size: 1.1rem;
    flex: 0 0 auto;
}
.bp-author-info { line-height: 1.4; }
.bp-author-name { font-weight: 700; color: var(--color-text); }
.bp-author-role { color: var(--color-text-light); font-size: 0.9rem; }

/* ===== Related articles ===== */
.bp-related { margin: var(--spacing-lg) 0 var(--spacing-md); }
.bp-related-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 1rem;
}
.bp-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}
.bp-related-card {
    display: block;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 1rem 1.1rem;
    text-decoration: none;
    color: var(--color-text);
    transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.bp-related-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
}
.bp-related-card-cat {
    font-size: 0.75rem;
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.bp-related-card-title {
    font-weight: 600;
    line-height: 1.35;
    margin: 0.35rem 0 0.35rem;
}
.bp-related-card-meta { font-size: 0.82rem; color: var(--color-text-light); }

/* ===== Final CTA ===== */
.bp-final-cta {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: #fff;
    border-radius: 18px;
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    margin: var(--spacing-lg) 0;
}
.bp-final-cta h2 {
    color: #fff;
    margin: 0 0 0.5rem;
    font-size: clamp(1.3rem, 1.05rem + 0.7vw, 1.7rem);
}
.bp-final-cta p { color: rgba(255, 255, 255, 0.9); margin: 0 0 1.25rem; }
.bp-final-cta .btn-phone {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #fff;
    color: var(--color-primary);
    padding: 0.85rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
}
.bp-final-cta .btn-phone:hover { background: #f0f9ff; }

/* ===== Requisites (footer-блок статьи) ===== */
.bp-creds {
    font-size: 0.78rem;
    color: var(--color-text-light);
    line-height: 1.5;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-md);
}

/* ===== Hub page ===== */
.bp-hub-search {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 0.65rem 1rem;
    margin-bottom: var(--spacing-md);
    max-width: 520px;
}
.bp-hub-search input {
    flex: 1;
    border: 0;
    background: transparent;
    outline: none;
    font: inherit;
    color: var(--color-text);
}
.bp-hub-search input::placeholder { color: var(--color-text-light); }
.bp-hub-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-lg);
}
.bp-hub-cat-chip {
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    text-decoration: none;
    font-size: 0.92rem;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.bp-hub-cat-chip:hover {
    background: #eff6ff;
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.bp-hub-cat-group { margin-bottom: var(--spacing-lg); scroll-margin-top: 90px; }
.bp-hub-cat-group h2 {
    font-size: 1.4rem;
    color: var(--color-text);
    margin: 0 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-border);
}
.bp-hub-list {
    display: grid;
    gap: 0.6rem;
}
.bp-hub-link {
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.85rem 1rem;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    text-decoration: none;
    color: var(--color-text);
    transition: border-color 0.15s, background 0.15s;
}
.bp-hub-link:hover { border-color: var(--color-primary); background: #f8fafc; }
.bp-hub-link-title { font-weight: 600; line-height: 1.35; }
.bp-hub-link-meta {
    flex: 0 0 auto;
    font-size: 0.82rem;
    color: var(--color-text-light);
    white-space: nowrap;
    align-self: center;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .bp-layout { grid-template-columns: 1fr; gap: var(--spacing-md); }
    .bp-toc {
        position: static;
        order: -1;
    }
    .bp-toc-list a { padding-left: 1.4rem; }
}

/* Override mobile-fix.css rule that hides middle breadcrumb on ≤480 — у нас 3-звенные крошки. */
@media (max-width: 480px) {
    .bp-breadcrumbs .breadcrumbs-list .breadcrumbs-item:not(:first-child):not(:last-child) {
        display: inline-flex !important;
    }
}

@media (max-width: 600px) {
    .bp-hero { padding: var(--spacing-md) 0 var(--spacing-sm); }
    .bp-keypoints { padding: 1rem 1.1rem; }
    .bp-cta-inline { padding: 1rem 1.1rem; flex-direction: column; align-items: stretch; gap: 0.8rem; }
    .bp-cta-inline-text { flex: 0 1 auto; }
    .bp-cta-inline .btn { width: 100%; justify-content: center; }
    .bp-final-cta { padding: var(--spacing-md) 1rem; border-radius: 14px; }
    .bp-author { flex-direction: column; text-align: center; }
    .bp-section table { font-size: 0.85rem; }
    .bp-section th, .bp-section td { padding: 0.45rem 0.5rem; }
}