* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #17221f;
    background: #f7fbf8;
    line-height: 1.65;
}

a {
    color: #08785f;
}

.blog-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.blog-topbar {
    background: #073b35;
    color: #fff;
    padding: 14px 0;
}

.blog-topbar .blog-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand-link,
.nav-link {
    color: #fff;
    text-decoration: none;
}

.brand-link {
    font-weight: 700;
}

.nav-link {
    border: 1px solid rgba(255, 255, 255, .34);
    padding: 7px 11px;
    font-size: 14px;
}

.blog-hero {
    background: #d8efe5;
    border-bottom: 1px solid #c2ded2;
    padding: 54px 0 44px;
}

.blog-hero h1,
.article-title {
    margin: 0 0 16px;
    max-width: 920px;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.05;
    letter-spacing: 0;
}

.blog-hero p,
.article-header p {
    max-width: 780px;
    margin: 0;
    font-size: 18px;
}

.article-title {
    display: block;
    font-weight: 700;
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
    padding: 34px 0 54px;
}

.post-card {
    background: #fff;
    border: 1px solid #dbe8e2;
    border-radius: 8px;
    padding: 20px;
}

.post-card h2 {
    margin: 10px 0;
    font-size: 22px;
    line-height: 1.2;
}

.post-card p {
    margin: 0 0 14px;
}

.post-meta {
    color: #557169;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.read-link {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    color: #073b35;
    font-weight: 700;
}

.article-header {
    background: #d8efe5;
    padding: 38px 0 30px;
}

.article-layout {
    display: block;
    padding: 34px 0 58px;
}

.article-main {
    min-width: 0;
    max-width: 920px;
    margin: 0 auto;
}

.brief-box,
.article-body,
.article-aside .panel {
    background: #fff;
    border: 1px solid #dbe8e2;
    border-radius: 8px;
}

.brief-box {
    padding: 22px;
    margin-bottom: 20px;
}

.brief-box h2,
.article-aside h2 {
    margin: 0 0 10px;
    font-size: 20px;
}

.article-body {
    padding: clamp(22px, 4vw, 46px);
}

.article-body h1 {
    font-size: clamp(32px, 4.5vw, 50px);
    line-height: 1.08;
    margin: 0 0 24px;
}

.article-body h2 {
    margin: 34px 0 12px;
    font-size: 28px;
    line-height: 1.2;
}

.article-body h3 {
    margin: 24px 0 8px;
    font-size: 22px;
}

.article-body p {
    margin: 0 0 16px;
}

.article-body ul {
    padding-left: 22px;
}

.article-image {
    margin: 28px 0;
    overflow: hidden;
    border-radius: 8px;
    background: #e8f1ed;
}

.article-image img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    height: auto;
}

.article-aside {
    position: sticky;
    top: 20px;
    align-self: start;
}

.article-aside .panel {
    padding: 18px;
    margin-bottom: 16px;
}

.article-aside ul {
    margin: 0;
    padding-left: 20px;
}

.article-aside li {
    margin: 0 0 8px;
}

.back-row {
    padding: 24px 0 0;
}

@media (max-width: 860px) {
    .blog-topbar .blog-shell,
    .article-layout {
        display: block;
    }

    .nav-link {
        display: inline-flex;
        margin-top: 10px;
    }

    .article-aside {
        position: static;
        margin-top: 20px;
    }
}