.yandex-index-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #141322;
    color: #e8e6f0;
    font-family: 'Montserrat', system-ui, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(20, 19, 34, 0.92);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.35s ease, border-color 0.35s ease, padding 0.35s ease;
}

.header::before,
.header::after {
    display: none !important;
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.45);
    border-bottom-color: rgba(255, 255, 255, 0.04);
}

.header-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 24px;
    gap: 16px;
    transition: padding 0.35s ease;
}

.header.scrolled .header-inner {
    padding: 4px 24px;
    justify-content: center;
}

.logo-link {
    flex-shrink: 0;
    transition: opacity 0.35s ease, max-width 0.35s ease, margin 0.35s ease;
    overflow: hidden;
    max-width: 200px;
}

.header.scrolled .logo-link {
    opacity: 0;
    max-width: 0;
    margin: 0;
    pointer-events: none;
}

.logo {
    height: 32px;
    width: auto;
}

.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    overflow: visible;
    min-width: 0;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-list li {
    flex-shrink: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    color: #f5f5f7;
    font-size: 11px;
    font-weight: 400;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s ease, opacity 0.2s ease;
    opacity: 0.8;
    border-radius: 6px;
}

.nav-link:hover {
    opacity: 1;
    color: var(--brand-primary);
    background: rgba(var(--brand-rgb), 0.08);
}

.nav-link.active {
    opacity: 1;
    color: var(--brand-primary);
}

.nav-icon {
    font-size: 12px;
}

.header.scrolled .nav-list {
    flex-wrap: nowrap;
}

.header.scrolled .nav-link {
    padding: 5px 8px;
    font-size: 11px;
}

@media (max-width: 1200px) {
    .nav-link { padding: 5px 7px; font-size: 10px; }
    .nav-icon { font-size: 11px; }
}

@media (max-width: 1024px) {
    .main-nav { display: none; }
    .header-actions { display: none !important; }
    .mobile-menu-btn { display: flex !important; }
}

/* ===== Header Menu Variants ===== */
/* v1 - стандартный (по умолчанию) */
.header.variant-v1 .main-nav .nav-list {
    gap: 2px;
}
.header.variant-v1 .nav-link {
    padding: 6px 10px;
    font-size: 11px;
}

/* v2 - компактный */
.header.variant-v2 .main-nav .nav-list {
    gap: 1px;
}
.header.variant-v2 .nav-link {
    padding: 5px 8px;
    font-size: 10px;
}
.header.variant-v2 .nav-icon {
    font-size: 11px;
}

/* v3 - расширенный */
.header.variant-v3 .main-nav .nav-list {
    gap: 4px;
}
.header.variant-v3 .nav-link {
    padding: 8px 12px;
    font-size: 12px;
}
.header.variant-v3 .nav-icon {
    font-size: 13px;
}

/* v4 - минималистичный */
.header.variant-v4 .main-nav .nav-list {
    gap: 0;
}
.header.variant-v4 .nav-link {
    padding: 6px 8px;
    font-size: 10px;
    border-radius: 4px;
}
.header.variant-v4 .nav-link:hover {
    background: rgba(var(--brand-rgb), 0.12);
}

.header-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
    transition: opacity 0.35s ease, max-width 0.35s ease, margin 0.35s ease;
    overflow: hidden;
    max-width: 300px;
}

.header.scrolled .header-actions {
    opacity: 0;
    max-width: 0;
    margin: 0;
    pointer-events: none;
}

.header-actions .btn {
    padding: 6px 14px;
    font-size: 12px;
    border-radius: 18px;
}

.header-actions .btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #f5f5f7;
}

.header-actions .btn-cta {
    background: var(--brand-primary);
    color: #0a0f14;
    border: none;
    font-weight: 600;
}

.preloader {
    position: fixed;
    inset: 0;
    background: var(--surface-raised);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid var(--glass-edge);
    border-top-color: var(--brand-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.content-hidden {
    opacity: 0;
}

.site-structure-block {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.025);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}
/* ===== Variants: Site Structure (v1..v4) ===== */
.site-structure-block.variant-v2 .site-structure-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}
.site-structure-block.variant-v2 .site-structure-group {
    background: rgba(0,0,0,0.18);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 0.9rem;
}
.site-structure-block.variant-v3 .site-structure-priority {
    background: transparent;
    border: 1px dashed rgba(255,255,255,0.16);
}
.site-structure-block.variant-v3 .site-structure-nav {
    display: flex;
    gap: 0.9rem;
    overflow-x: auto;
    padding-bottom: 0.4rem;
}
.site-structure-block.variant-v3 .site-structure-group { min-width: 260px; }
.site-structure-block.variant-v4 { background: rgba(0,0,0,0.22); border-style: dashed; }
.site-structure-block.variant-v4 .site-structure-group-desc { display: none; }
.site-structure-block.variant-v4 .site-structure-priority { padding: 0.6rem 0.8rem; }
.site-structure-header { margin-bottom: 1rem; }
.site-structure-heading { font-size: 1.35rem; margin-bottom: 0.25rem; color: var(--brand-primary); }
.site-structure-desc { color: rgba(255, 255, 255, 0.55); margin-bottom: 0; font-size: 0.9rem; }
.site-structure-priority {
    display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem;
    margin-bottom: 1.25rem; padding: 0.75rem 1rem; background: rgba(0,0,0,0.2);
    border-radius: 8px;
}
.site-structure-priority-label { font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-right: 0.25rem; }
.site-structure-priority-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem; }
.site-structure-priority-link { color: rgba(255,255,255,0.9); text-decoration: none; font-size: 0.95rem; font-weight: 500; }
.site-structure-priority-link:hover { color: var(--brand-primary); }
.site-structure-priority-sep { color: rgba(255,255,255,0.35); user-select: none; }
.site-structure-nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.site-structure-group { flex: 1 1 200px; }
.site-structure-group-title { font-size: 0.95rem; color: rgba(255,255,255,0.8); margin-bottom: 0.25rem; font-weight: 600; }
.site-structure-group-desc { font-size: 0.8rem; color: rgba(255,255,255,0.45); margin-bottom: 0.5rem; }
.site-structure-list { list-style: none; padding: 0; margin: 0; }
.hero-live-online { margin-top: 1rem; font-size: 0.9rem; color: rgba(255,255,255,0.7); display: flex; align-items: center; gap: 0.5rem; }
.hero-live-online .live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-primary); box-shadow: 0 0 8px var(--brand-primary); animation: live-pulse 1.5s ease-in-out infinite; }
@keyframes live-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.site-structure-list li { margin-bottom: 0.35rem; }
.site-structure-link { color: rgba(255,255,255,0.85); text-decoration: none; }
.site-structure-link:hover { color: var(--brand-primary); text-decoration: underline; }
.site-structure-link--current { color: var(--brand-primary); font-weight: 600; }
.on-this-page-nav {
    display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem;
    margin: 0.75rem 0 1rem; padding: 0.6rem 1rem; background: rgba(255,255,255,0.04);
    border-radius: 8px; font-size: 0.9rem;
}
.on-this-page-label { color: rgba(255,255,255,0.55); }
.on-this-page-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; }
.on-this-page-link { color: var(--brand-primary); text-decoration: none; }
.on-this-page-link:hover { text-decoration: underline; }
.review-quotes-block { margin: 2rem 0; }
.page-thematic-block { margin: 2rem 0; }
/* ===== Variants: Review Quotes / Thematic ===== */
.review-quotes-block.variant-v2 .review-quotes-list,
.page-thematic-block.variant-v2 .review-quotes-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.review-quotes-block.variant-v3,
.page-thematic-block.variant-v3 {
    padding: 1.25rem;
}
.review-quotes-block.variant-v3 .faq-item,
.page-thematic-block.variant-v3 .faq-item {
    border-style: dashed;
    background: rgba(0,0,0,0.18);
}
.review-quotes-block.variant-v4 .faq-answer,
.page-thematic-block.variant-v4 .faq-answer {
    display: block;
    padding-top: 0.25rem;
}
.review-quotes-block.variant-v4 .faq-question::after,
.page-thematic-block.variant-v4 .faq-question::after {
    display: none;
}
body.layout-structure-asymmetric .page-thematic-block .review-quotes-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
@media (max-width: 768px) {
    body.layout-structure-asymmetric .page-thematic-block .review-quotes-list {
        grid-template-columns: 1fr;
    }
}
.review-quotes-heading { font-size: 1.25rem; margin-bottom: 0.35rem; color: rgba(255,255,255,0.95); }
.review-quotes-desc { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-bottom: 1rem; }
.review-quote-item .review-quote-summary { font-weight: 600; }
.review-quote-text { margin: 0; font-style: italic; color: rgba(255,255,255,0.85); }
.related-sections, .topic-nav {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
}

.related-sections-heading, .topic-nav-heading {
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
    color: var(--brand-primary);
    font-weight: 600;
}

.related-sections-desc, .topic-nav-desc {
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.related-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.9rem;
}
/* ===== Variants: Related ===== */
.related-sections.variant-v2 .related-cards { grid-template-columns: 1fr 1fr; gap: 1rem; }
.related-sections.variant-v2 .related-card { padding: 1.25rem; border-radius: 14px; }
.related-sections.variant-v3 .related-cards {
    display: flex;
    gap: 0.85rem;
    overflow-x: auto;
    padding-bottom: 0.4rem;
}
.related-sections.variant-v3 .related-card { min-width: 260px; }
.related-sections.variant-v4 .related-cards { grid-template-columns: 1fr; gap: 0.65rem; }
.related-sections.variant-v4 .related-card { background: transparent; border-style: dashed; }
body.layout-structure-asymmetric .related-cards {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
body.layout-structure-asymmetric .related-card {
    display: flex;
    flex-direction: column;
}
body.layout-structure-vertical .related-cards {
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.related-card {
    padding: 1.1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: border-color 0.2s, background 0.2s;
}

.related-card:hover {
    background: rgba(var(--brand-rgb), 0.06);
    border-color: rgba(var(--brand-rgb), 0.2);
}

.related-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.related-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.35rem 0;
    color: #f0f0f0;
}

.related-card-desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.35;
    margin: 0;
}

.topic-links {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.topic-link-item {
    margin: 0;
}

.topic-link-item .topic-link {
    display: inline-block;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-decoration: none;
    color: #e8e8e8;
    font-size: 0.88rem;
    font-weight: 500;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.topic-link-item .topic-link:hover {
    background: rgba(var(--brand-rgb), 0.1);
    border-color: rgba(var(--brand-rgb), 0.25);
    color: var(--brand-primary);
}

@media (max-width: 768px) {
    .site-structure-block { margin: 1.25rem 0; padding: 1.25rem; }
    .site-structure-priority { flex-direction: column; align-items: flex-start; }
    .site-structure-nav { flex-direction: column; }
    .on-this-page-nav { flex-direction: column; align-items: flex-start; }
    .related-sections, .topic-nav {
        margin: 1.25rem 0;
        padding: 1.25rem;
    }
    .related-sections-heading, .topic-nav-heading {
        font-size: 1.15rem;
    }
    .related-cards {
        grid-template-columns: 1fr;
    }
    body.layout-structure-asymmetric .related-cards {
        grid-template-columns: 1fr;
    }
}