/* ========================================
   FORTBERG BLOG — CSS 2026 Design
   Glassmorphism · Dark Theme · Animations
   ======================================== */

/* === Переменные === */
:root {
    --blog-bg: #0a0a1a;
    --blog-surface: rgba(255, 255, 255, 0.04);
    --blog-surface-hover: rgba(255, 255, 255, 0.08);
    --blog-border: rgba(255, 255, 255, 0.08);
    --blog-border-hover: rgba(255, 255, 255, 0.15);
    --blog-text: #e2e2f0;
    --blog-text-muted: #8888a8;
    --blog-text-strong: #ffffff;
    --blog-accent: #6e8efb;
    --blog-accent2: #a777e3;
    --blog-gradient: linear-gradient(135deg, #6e8efb 0%, #a777e3 100%);
    --blog-card-bg: rgba(255, 255, 255, 0.03);
    --blog-card-blur: 20px;
    --blog-radius: 16px;
    --blog-radius-sm: 10px;
    --blog-max-width: 1200px;
    --blog-article-width: 720px;
    --blog-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Body === */
.blog-body {
    background: var(--blog-bg);
    color: var(--blog-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    min-height: 100vh;
}

/* === Navbar override for blog === */
.blog-navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(10, 10, 26, 0.85);
    border-bottom: 1px solid var(--blog-border);
}

/* === Blog Hero === */
.blog-hero {
    text-align: center;
    padding: 100px 24px 60px;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 30% 50%, rgba(110, 142, 251, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(167, 119, 227, 0.06) 0%, transparent 60%);
    animation: blogHeroGlow 12s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes blogHeroGlow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-3%, 2%) scale(1.05); }
}

.blog-hero-inner {
    position: relative;
    z-index: 1;
    max-width: var(--blog-max-width);
    margin: 0 auto;
}

.blog-hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin: 0 0 20px;
    letter-spacing: -0.02em;
}

.blog-hero-line1 {
    display: block;
    color: var(--blog-text-strong);
}

.blog-hero-accent {
    display: block;
    background: var(--blog-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero-subtitle {
    font-size: 1.15rem;
    color: var(--blog-text-muted);
    max-width: 500px;
    margin: 0 auto;
    font-weight: 400;
}

/* === Blog Grid (Card List) === */
.blog-list-section {
    max-width: var(--blog-max-width);
    margin: 0 auto;
    padding: 0 24px 80px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

/* === Blog Card === */
.blog-card {
    background: var(--blog-card-bg);
    backdrop-filter: blur(var(--blog-card-blur));
    -webkit-backdrop-filter: blur(var(--blog-card-blur));
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    transition: transform var(--blog-transition),
                border-color var(--blog-transition),
                box-shadow var(--blog-transition);
    cursor: pointer;
}

.blog-card:hover {
    transform: translateY(-6px) scale(1.01);
    border-color: var(--blog-border-hover);
    box-shadow: 0 20px 60px rgba(110, 142, 251, 0.1),
                0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Card Cover */
.blog-card-cover {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, rgba(110, 142, 251, 0.1) 0%, rgba(167, 119, 227, 0.1) 100%);
    overflow: hidden;
}

.blog-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-cover img {
    transform: scale(1.05);
}

.blog-card-cover-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 3rem;
    opacity: 0.5;
}

.blog-card-category {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(10, 10, 26, 0.7);
    backdrop-filter: blur(10px);
    color: var(--blog-text-strong);
    letter-spacing: 0.02em;
}

/* Card Body */
.blog-card-body {
    padding: 22px 22px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.35;
    margin: 0 0 10px;
    color: var(--blog-text-strong);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-excerpt {
    font-size: 0.9rem;
    color: var(--blog-text-muted);
    margin: 0 0 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--blog-text-muted);
    padding-top: 14px;
    border-top: 1px solid var(--blog-border);
}

.blog-card-reading {
    opacity: 0.7;
}

/* === Reveal Animation === */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* === Blog Article Page === */
.blog-article {
    max-width: var(--blog-article-width);
    margin: 0 auto;
    padding: 0 24px 60px;
}

.blog-article-header {
    padding: 80px 0 40px;
}

.blog-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--blog-text-muted);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.blog-breadcrumb a {
    color: var(--blog-accent);
    text-decoration: none;
    transition: color var(--blog-transition);
}

.blog-breadcrumb a:hover {
    color: var(--blog-accent2);
}

.blog-breadcrumb .sep {
    opacity: 0.4;
}

.blog-article-meta-top {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.blog-article-date,
.blog-article-reading {
    font-size: 0.85rem;
    color: var(--blog-text-muted);
}

.blog-article-title {
    font-size: clamp(1.8rem, 4.5vw, 2.8rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--blog-text-strong);
    margin: 0 0 20px;
    letter-spacing: -0.02em;
}

.blog-article-lead {
    font-size: 1.15rem;
    color: var(--blog-text-muted);
    line-height: 1.7;
    margin: 0;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--blog-border);
}

/* === Article Content === */
.blog-article-content {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--blog-text);
    padding-top: 0;
}

.blog-article-content h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--blog-text-strong);
    margin: 24px 0 12px;
    letter-spacing: -0.01em;
}

.blog-article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--blog-text-strong);
    margin: 16px 0 8px;
}

.blog-article-content p {
    margin: 0 0 20px;
}

.blog-article-content .blog-lead {
    font-size: 1.15rem;
    color: var(--blog-text-muted);
    line-height: 1.7;
    border-left: 3px solid var(--blog-accent);
    padding-left: 20px;
    margin-bottom: 32px;
}

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

.blog-article-content li {
    margin-bottom: 8px;
}

.blog-article-content strong {
    color: var(--blog-text-strong);
    font-weight: 600;
}

/* === Tags === */
.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 28px 0;
    border-top: 1px solid var(--blog-border);
    margin-top: 40px;
}

.blog-tag {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--blog-surface);
    border: 1px solid var(--blog-border);
    color: var(--blog-text-muted);
    transition: all var(--blog-transition);
}

.blog-tag:hover {
    background: var(--blog-surface-hover);
    border-color: var(--blog-border-hover);
    color: var(--blog-text-strong);
}

/* === CTA Block === */
.blog-article-cta {
    background: var(--blog-card-bg);
    backdrop-filter: blur(var(--blog-card-blur));
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    padding: 32px;
    text-align: center;
    margin-top: 40px;
}

.blog-article-cta p {
    margin: 0 0 16px;
    color: var(--blog-text-muted);
    font-size: 1rem;
}

.blog-cta-btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: var(--blog-radius-sm);
    background: var(--blog-gradient);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: transform var(--blog-transition), box-shadow var(--blog-transition);
}

.blog-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(110, 142, 251, 0.3);
}

/* === Related Articles === */
.blog-related {
    max-width: var(--blog-article-width);
    margin: 0 auto;
    padding: 0 24px 80px;
}

.blog-related-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blog-text-strong);
    margin: 0 0 24px;
}

.blog-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.blog-related-card {
    background: var(--blog-card-bg);
    backdrop-filter: blur(var(--blog-card-blur));
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius-sm);
    padding: 20px;
    text-decoration: none;
    color: inherit;
    transition: transform var(--blog-transition), border-color var(--blog-transition);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.blog-related-card:hover {
    transform: translateY(-3px);
    border-color: var(--blog-border-hover);
}

.blog-related-category {
    font-size: 0.75rem;
    color: var(--blog-accent);
    font-weight: 600;
}

.blog-related-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--blog-text-strong);
    line-height: 1.35;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-related-meta {
    font-size: 0.75rem;
    color: var(--blog-text-muted);
}

/* === 404 Not Found === */
.blog-not-found {
    text-align: center;
    padding: 120px 24px;
    max-width: 500px;
    margin: 0 auto;
}

.blog-not-found h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--blog-text-strong);
    margin: 0 0 16px;
}

.blog-not-found p {
    color: var(--blog-text-muted);
    margin: 0 0 32px;
    font-size: 1.05rem;
}

/* === Responsive === */
@media (max-width: 900px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .blog-related-grid {
        grid-template-columns: 1fr 1fr;
    }
    .blog-hero {
        padding: 80px 20px 50px;
    }
}

@media (max-width: 600px) {
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .blog-related-grid {
        grid-template-columns: 1fr;
    }
    .blog-hero {
        padding: 60px 16px 40px;
    }
    .blog-hero-title {
        font-size: 2rem;
    }
    .blog-hero-subtitle {
        font-size: 1rem;
    }
    .blog-card-cover {
        height: 180px;
    }
    .blog-article-header {
        padding: 60px 0 30px;
    }
    .blog-article-title {
        font-size: 1.6rem;
    }
    .blog-article-content {
        font-size: 1rem;
    }
    .blog-article-content h2 {
        font-size: 1.3rem;
    }
    .blog-article-content h3 {
        font-size: 1.1rem;
    }
    .blog-article-cta {
        padding: 24px 20px;
    }
}

/* === Print styles === */
@media print {
    .blog-navbar,
    .footer,
    .blog-article-cta,
    .blog-related {
        display: none;
    }
    .blog-body {
        background: #fff;
        color: #333;
    }
    .blog-article-title,
    .blog-article-content h2,
    .blog-article-content h3 {
        color: #111;
    }
}


/* === Inline Product Card (Shortcodes) === */
.blog-inline-product {
    display: flex;
    flex-direction: row;
    gap: 20px;
    background: var(--blog-card-bg);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    padding: 24px;
    margin: 12px 0;
    backdrop-filter: blur(var(--blog-card-blur));
    -webkit-backdrop-filter: blur(var(--blog-card-blur));
    transition: transform var(--blog-transition), border-color var(--blog-transition), box-shadow var(--blog-transition);
}

.blog-inline-product:hover {
    transform: translateY(-4px);
    border-color: var(--blog-border-hover);
    box-shadow: 0 12px 40px rgba(110, 142, 251, 0.15);
}

.blog-inline-product-img {
    flex: 0 0 160px;
    border-radius: var(--blog-radius-sm);
    overflow: hidden;
    position: relative;
    display: block;
    background: rgba(255, 255, 255, 0.05);
}

.blog-inline-product-img img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 3/4;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.blog-inline-product-img:hover img {
    transform: scale(1.05);
}

.blog-product-promo {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--blog-gradient);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    z-index: 2;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blog-inline-product-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-inline-product-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 12px;
    line-height: 1.3;
}

.blog-inline-product-title a {
    color: var(--blog-text-strong);
    text-decoration: none;
    transition: color var(--blog-transition);
}

.blog-inline-product-title a:hover {
    color: var(--blog-accent);
}

.blog-inline-product-desc {
    font-size: 0.95rem;
    color: var(--blog-text-muted);
    line-height: 1.6;
    margin: 0 0 20px !important;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-inline-product-actions {
    margin-top: auto;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.blog-inline-btn-catalog, .blog-inline-btn-wb {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--blog-transition);
}

.blog-inline-btn-catalog {
    background: var(--blog-surface);
    color: var(--blog-text);
    border: 1px solid var(--blog-border);
}

.blog-inline-btn-catalog:hover {
    background: var(--blog-surface-hover);
    color: var(--blog-text-strong);
    border-color: var(--blog-border-hover);
}

.blog-inline-btn-wb {
    background: #cb11ab; /* WB Brand color */
    color: #fff;
    border: 1px solid #cb11ab;
}

.blog-inline-btn-wb:hover {
    background: #a90d8e;
    box-shadow: 0 8px 20px rgba(203, 17, 171, 0.3);
}

@media (max-width: 600px) {
    .blog-inline-product {
        flex-direction: column;
        padding: 20px;
    }
    .blog-inline-product-img {
        flex: 0 0 auto;
        width: 100%;
        max-width: 240px;
        margin: 0 auto;
    }
    .blog-inline-product-actions {
        flex-direction: column;
    }
    .blog-inline-btn-catalog, .blog-inline-btn-wb {
        width: 100%;
    }
}


/* === Article Images === */
.blog-image-cover {
    width: 100%;
    border-radius: var(--blog-radius);
    margin: 12px 0;
    object-fit: cover;
    max-height: 450px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--blog-border);
}

@media (max-width: 600px) {
    .blog-image-cover {
        max-height: 250px;
        margin: 24px 0;
    }
}