/* =============================================
   SINGLE.CSS - Шаблон отдельной статьи
   ============================================= */

:root {
    --primary: #03A398;
    --primary-dark: #028b81;
    --primary-light: #05c4b8;
    --primary-glow: rgba(3,163,152,0.2);
    --secondary: #1a2a33;
    --secondary-light: #2a4a56;
    --dark: #0a141e;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-400: #94a3b8;
    --gray-600: #5a6c7d;
    --gray-800: #1e293b;
    --gradient-primary: linear-gradient(135deg, #03A398, #05c4b8);
    --gradient-dark: linear-gradient(135deg, #0a141e, #1a2a33, #2a4a56);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 24px 64px rgba(0,0,0,0.16);
    --shadow-teal: 0 8px 32px rgba(3,163,152,0.25);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --font: 'Inter', 'Segoe UI', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============================================
   ARTICLE HERO
   ============================================= */
.article-hero {
    position: relative;
    background: var(--gradient-dark);
    padding: 60px 0 50px;
    overflow: hidden;
}

.article-hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 40%, rgba(3,163,152,0.08) 0%, transparent 60%);
}

.article-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

/* ===== ХЛЕБНЫЕ КРОШКИ ===== */
.breadcrumbs {
    margin-bottom: 30px;
    position: relative;
    z-index: 2;
}

.breadcrumbs-list {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
}

.breadcrumbs-item {
    display: flex;
    align-items: center;
}

.breadcrumbs-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 50px;
    transition: var(--transition);
    background: rgba(255,255,255,0.05);
    border: 1px solid transparent;
}

.breadcrumbs-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.15);
}

.breadcrumbs-link .material-symbols-outlined {
    font-size: 1rem;
    font-variation-settings: 'wght' 300;
}

.breadcrumbs-separator {
    color: rgba(255,255,255,0.3);
}

.breadcrumbs-separator .material-symbols-outlined {
    font-size: 1.1rem;
    font-variation-settings: 'wght' 300;
}

.breadcrumbs-item-current {
    color: var(--primary-light);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 5px 10px;
    background: rgba(3,163,152,0.1);
    border-radius: 50px;
    border: 1px solid rgba(3,163,152,0.2);
}

/* ===== МЕТА-ИНФО ===== */
.article-meta-top {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.article-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 14px;
    background: rgba(3,163,152,0.15);
    border: 1px solid rgba(3,163,152,0.25);
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--primary-light);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.8); }
}

.article-date-badge,
.article-reading-time {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.65);
    font-size: 0.8rem;
    font-weight: 500;
}

.article-date-badge .material-symbols-outlined,
.article-reading-time .material-symbols-outlined {
    font-size: 1rem;
    font-variation-settings: 'wght' 300;
}

/* ===== ЗАГОЛОВОК ===== */
.article-hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.article-hero-excerpt {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    margin-bottom: 28px;
    max-width: 600px;
}

/* ===== АВТОР ===== */
.article-author-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid rgba(3,163,152,0.4);
}

.author-avatar .avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--white);
    font-size: 0.95rem;
}

.author-role {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.6);
}

/* ===== WAVE ===== */
.article-hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    z-index: 3;
}

.article-hero-wave svg {
    display: block;
    width: 100%;
}

/* =============================================
   ARTICLE CONTENT LAYOUT
   ============================================= */
.article-content-section {
    padding: 60px 0 80px;
    background: var(--white);
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 60px;
}

/* ===== ОСНОВНОЙ КОНТЕНТ ===== */
.article-main {
    max-width: 780px;
}

.article-featured-image {
    margin-bottom: 36px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.featured-img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== ТИПОГРАФИКА СТАТЬИ ===== */
.article-body {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--gray-800);
}

.article-body h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary);
    margin: 40px 0 16px;
    letter-spacing: -0.01em;
}

.article-body h2:first-child {
    margin-top: 0;
}

.article-body h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary);
    margin: 32px 0 12px;
}

.article-body p {
    margin-bottom: 18px;
}

.article-body ul,
.article-body ol {
    margin: 20px 0;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 8px;
    padding-left: 4px;
}

.article-body li::marker {
    color: var(--primary);
}

.article-body blockquote {
    margin: 28px 0;
    padding: 24px 28px;
    background: var(--gray-50);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--gray-600);
}

.article-body blockquote p:last-child {
    margin-bottom: 0;
}

.article-body a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid rgba(3,163,152,0.2);
    transition: var(--transition);
}

.article-body a:hover {
    color: var(--primary-dark);
    border-bottom-color: var(--primary);
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 24px 0;
}

.article-body strong {
    color: var(--secondary);
}

.article-body hr {
    border: none;
    height: 1px;
    background: var(--gray-200);
    margin: 36px 0;
}

/* ===== ТЕГИ ===== */
.article-tags {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-top: 40px;
    padding: 24px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
}

.tags-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--secondary);
    white-space: nowrap;
}

.tags-label .material-symbols-outlined {
    font-size: 1.2rem;
    color: var(--primary);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    display: inline-block;
    padding: 5px 14px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.tag-item:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* ===== ШЕРИНГ ===== */
.article-share {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 28px;
    padding: 20px 24px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
}

.share-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--secondary);
}

.share-label .material-symbols-outlined {
    font-size: 1.2rem;
    color: var(--primary);
}

.share-buttons {
    display: flex;
    gap: 8px;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}

.share-btn .material-symbols-outlined {
    font-size: 1.2rem;
}

.share-facebook {
    background: #1877f2;
    color: var(--white);
}
.share-twitter {
    background: #1da1f2;
    color: var(--white);
}
.share-linkedin {
    background: #0a66c2;
    color: var(--white);
}
.share-email {
    background: var(--gray-400);
    color: var(--white);
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* ===== НАВИГАЦИЯ ===== */
.article-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--gray-200);
}

.nav-previous a,
.nav-next a {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 18px 20px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}

.nav-previous a:hover,
.nav-next a:hover {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.nav-previous a {
    align-items: flex-start;
    text-align: left;
}

.nav-next a {
    align-items: flex-end;
    text-align: right;
}

.nav-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.nav-label .material-symbols-outlined {
    font-size: 1rem;
}

.nav-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--secondary);
    line-height: 1.4;
}

/* ===== ПОХОЖИЕ СТАТЬИ ===== */
.related-posts {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid var(--gray-200);
}

.related-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 24px;
}

.related-title .material-symbols-outlined {
    font-size: 1.5rem;
    color: var(--primary);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.related-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    text-decoration: none;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.related-card-image {
    height: 140px;
    overflow: hidden;
}

.related-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-img-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-img-placeholder .material-symbols-outlined {
    font-size: 2rem;
    color: var(--gray-400);
}

.related-card-body {
    padding: 14px 16px;
}

.related-date {
    font-size: 0.7rem;
    color: var(--gray-600);
    margin-bottom: 4px;
    display: block;
}

.related-card-body h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--secondary);
    margin: 0;
    line-height: 1.4;
}

/* =============================================
   САЙДБАР
   ============================================= */
.article-sidebar {
    position: sticky;
    top: 30px;
}

.sidebar-widget {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--gray-200);
}

.sidebar-cta {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
    border: none;
}

.sidebar-cta-icon {
    width: 56px;
    height: 56px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.sidebar-cta-icon .material-symbols-outlined {
    font-size: 1.8rem;
    color: var(--white);
}

.sidebar-cta h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.sidebar-cta p {
    color: rgba(255,255,255,0.85);
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 18px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.widget-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 18px;
}

.widget-title .material-symbols-outlined {
    font-size: 1.3rem;
    color: var(--primary);
}

/* Категории */
.categories-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.categories-list li {
    margin-bottom: 4px;
}

.category-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.category-link:hover {
    background: var(--white);
    color: var(--primary);
}

.cat-count {
    background: var(--gray-200);
    padding: 2px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-600);
}

.category-link:hover .cat-count {
    background: var(--primary);
    color: var(--white);
}

/* Последние статьи */
.recent-posts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recent-post-item {
    display: flex;
    gap: 12px;
    text-decoration: none;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.recent-post-item:hover {
    background: var(--white);
}

.recent-post-thumb {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
}

.recent-post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.recent-post-thumb .material-symbols-outlined {
    font-size: 1.4rem;
    color: var(--gray-400);
}

.recent-post-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.recent-post-date {
    font-size: 0.7rem;
    color: var(--gray-600);
    margin-bottom: 2px;
}

.recent-post-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary);
    line-height: 1.4;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 992px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .article-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .sidebar-widget {
        margin-bottom: 0;
    }

    .sidebar-cta {
        grid-column: 1 / -1;
    }

    .article-hero-title {
        font-size: 2.4rem;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .article-hero {
        padding: 40px 0 40px;
    }

    .article-hero-title {
        font-size: 2rem;
    }

    .article-content-section {
        padding: 40px 0 60px;
    }

    .article-navigation {
        grid-template-columns: 1fr;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        grid-template-columns: 1fr;
    }

    .breadcrumbs-link {
        font-size: 0.75rem;
        padding: 4px 8px;
    }

    .breadcrumbs-item-current {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .article-hero-title {
        font-size: 1.7rem;
    }

    .article-meta-top {
        gap: 8px;
    }

    .article-body {
        font-size: 0.95rem;
    }

    .article-body h2 {
        font-size: 1.4rem;
    }

    .article-tags {
        flex-direction: column;
        gap: 10px;
    }

    .article-share {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}