.hello-blog-single {
    background: #ffffff;
    color: #0f172a;
    padding: 40px 20px 64px;
}

.hello-blog-single__container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 28px;
    align-items: start;
}

.hello-blog-single__content {
    background: #ffffff;
    border: 0;
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
}

.hello-blog-single__hero {
    padding: 32px 34px 10px;
}

.hello-blog-single__cats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
}

.hello-blog-single__cat {
    display: inline-flex;
    align-items: center;
    border: 1px solid #d4deea;
    border-radius: 999px;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 600;
    color: #0b5fff;
    text-decoration: none;
    background: #f8fbff;
}

.hello-blog-single__cat:hover {
    border-color: #0b5fff;
}

.hello-blog-single__title {
    margin: 0;
    font-size: clamp(32px, 3.2vw, 52px);
    line-height: 1.12;
    letter-spacing: -0.02em;
    font-weight: 700;
    color: #0b1220;
}

.hello-blog-single__meta {
    margin-top: 16px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #64748b;
}

.hello-blog-single__thumb img {
    display: block;
    width: 100%;
    height: auto;
}

.hello-blog-single__article {
    padding: 30px 34px 40px;
    font-size: 17px;
    line-height: 1.9;
    color: #1e293b;
}

.hello-blog-single__article h2,
.hello-blog-single__article h3,
.hello-blog-single__article h4 {
    color: #0f172a;
    line-height: 1.3;
    margin-top: 1.6em;
    margin-bottom: 0.6em;
}

.hello-blog-single__article h2 {
    font-size: clamp(26px, 2.2vw, 34px);
}

.hello-blog-single__article h3 {
    font-size: clamp(22px, 1.8vw, 28px);
}

.hello-blog-single__article p {
    margin: 0 0 1.05em;
}

.hello-blog-single__article a {
    color: #0b5fff;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.hello-blog-single__article img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
}

.hello-blog-single__article blockquote {
    margin: 1.4em 0;
    padding: 16px 18px;
    border-left: 4px solid #0b5fff;
    background: #f1f6ff;
    border-radius: 8px;
}

.hello-blog-single__sidebar {
    position: sticky;
    top: 28px;
}

.hello-blog-sidebox {
    background: #ffffff;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    padding: 18px;
}

.hello-blog-sidebox__title {
    margin: 0 0 14px;
    font-size: 20px;
    line-height: 1.2;
    color: #0b1220;
}

.hello-blog-sidebox__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.hello-blog-sidebox__item {
    margin: 0;
}

.hello-blog-sidebox__link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    border-radius: 12px;
    padding: 8px;
    transition: background-color .2s ease, transform .2s ease;
}

.hello-blog-sidebox__link:hover {
    background: #f5f8fc;
    transform: translateX(2px);
}

.hello-blog-sidebox__img {
    width: 74px;
    height: 58px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    background: #e9eef5;
}

.hello-blog-sidebox__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hello-blog-sidebox__txt {
    min-width: 0;
    display: grid;
    gap: 5px;
}

.hello-blog-sidebox__post-title {
    font-size: 14px;
    line-height: 1.4;
    font-weight: 600;
    color: #0f172a;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.hello-blog-sidebox__date {
    font-size: 12px;
    color: #64748b;
}

.hello-blog-sidebox__empty {
    margin: 0;
    font-size: 14px;
    color: #64748b;
}

@media (max-width: 1080px) {
    .hello-blog-single__container {
        grid-template-columns: 1fr;
    }

    .hello-blog-single__sidebar {
        position: static;
    }
}

@media (max-width: 767px) {
    .hello-blog-single {
        padding: 24px 12px 44px;
    }

    .hello-blog-single__hero {
        padding: 22px 18px 8px;
    }

    .hello-blog-single__article {
        padding: 18px 18px 26px;
        font-size: 16px;
        line-height: 1.8;
    }
}