:root {
    --a2a-blog-single-bg: #f5f7fb;
    --a2a-blog-single-surface: #ffffff;
    --a2a-blog-single-border: rgba(226, 232, 240, 0.9);
    --a2a-blog-single-primary: #2563eb;
    --a2a-blog-single-muted: #4b5563;
}

body.single-blog {
    background: var(--a2a-blog-single-bg);
}

.a2a-blog-single {
    max-width: 1160px;
    margin: 0 auto;
    padding: clamp(40px, 7vw, 96px) 24px 80px;
}

.a2a-blog-single__hero {
    position: relative;
    border-radius: 32px;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.75), rgba(15, 23, 42, 0.88)), var(--a2a-blog-cover, url('')) center/cover no-repeat;
    background-blend-mode: overlay;
    color: #ffffff;
    margin-bottom: clamp(36px, 6vw, 64px);
}

.a2a-blog-single__hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: inherit;
    filter: blur(8px);
    opacity: 0.3;
}

.a2a-blog-single__hero-inner {
    position: relative;
    padding: clamp(48px, 8vw, 96px);
    background: rgba(15, 23, 42, 0.65);
}

.a2a-blog-single__breadcrumbs {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    font-size: 14px;
    margin-bottom: 18px;
}

.a2a-blog-single__breadcrumbs a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.a2a-blog-single__breadcrumbs a:hover,
.a2a-blog-single__breadcrumbs a:focus {
    color: #ffffff;
    text-decoration: underline;
}

.a2a-blog-single__title {
    margin: 0 0 18px;
    font-size: clamp(40px, 6vw, 60px);
    line-height: 1.15;
}

.a2a-blog-single__meta {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
}

.a2a-blog-single__layout {
    display: grid;
    grid-template-columns: minmax(0, 2.1fr) minmax(0, 0.9fr);
    gap: clamp(32px, 5vw, 56px);
}

.a2a-blog-single__content {
    background: var(--a2a-blog-single-surface);
    border-radius: 28px;
    padding: clamp(32px, 4vw, 48px);
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.08);
    border: 1px solid var(--a2a-blog-single-border);
}

.a2a-blog-single__body {
    font-size: 17px;
    line-height: 1.75;
    color: #1f2937;
}

.a2a-blog-single__body h2,
.a2a-blog-single__body h3,
.a2a-blog-single__body h4 {
    margin-top: 1.8em;
    margin-bottom: 0.8em;
}

.a2a-blog-single__body p {
    margin-bottom: 1.4em;
}

.a2a-blog-single__body img {
    border-radius: 18px;
}

.a2a-blog-single__tags {
    margin-top: clamp(32px, 5vw, 48px);
}

.a2a-blog-single__tags h2 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #111827;
}

.a2a-blog-single__tags ul {
    list-style: none;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
}

.a2a-blog-single__tags a {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: 999px;
    background: #e0f2fe;
    color: #0f172a;
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
}

.a2a-blog-single__aside {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.a2a-blog-single__related {
    background: var(--a2a-blog-single-surface);
    border-radius: 28px;
    padding: 28px;
    border: 1px solid var(--a2a-blog-single-border);
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.08);
}

.a2a-blog-single__related-title {
    margin: 0 0 18px;
    font-size: 22px;
    font-weight: 700;
    color: #111827;
}

.a2a-blog-single__related-grid {
    display: grid;
    gap: 18px;
}

.a2a-blog-single__related-empty {
    margin: 0;
    color: var(--a2a-blog-single-muted);
    font-size: 15px;
}

@media (max-width: 991px) {
    .a2a-blog-single__layout {
        grid-template-columns: 1fr;
    }

    .a2a-blog-single__aside {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .a2a-blog-single__related {
        flex: 1 1 100%;
    }
}

@media (max-width: 600px) {
    .a2a-blog-single {
        padding: 32px 18px 64px;
    }

    .a2a-blog-single__hero-inner {
        padding: 48px 28px;
    }
}