.article-page { padding: 1.75rem 0 4rem; }

.article-header {
    max-width: 760px;
    margin: 0 0 1.75rem;
}

.article-header h1 {
    font-size: clamp(2rem, 4.8vw, 3.25rem);
    font-weight: 700;
    margin: 0 0 0.9rem;
    letter-spacing: -0.035em;
}

.article-header .lead {
    font-size: 1.15rem;
    color: var(--nl-muted);
    font-weight: 400;
    line-height: 1.6;
    margin: 0;
    max-width: 48ch;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.15rem;
    margin-top: 1.2rem;
    font-size: 0.85rem;
    color: var(--nl-muted);
}

.article-cover {
    margin: 0 0 2.25rem;
    border-radius: var(--nl-radius-lg);
    overflow: hidden;
    border: 1px solid var(--nl-line);
    box-shadow: var(--nl-shadow-sm);
}

.article-cover img { width: 100%; }

.article-content {
    background: var(--nl-surface);
    border: 1px solid var(--nl-line);
    border-radius: var(--nl-radius-lg);
    padding: 2rem 2.1rem;
    box-shadow: var(--nl-shadow-sm);
}

@media (max-width: 576px) {
    .article-content { padding: 1.25rem 1.1rem; }
    .article-page { overflow-x: hidden; }
}

.article-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding-bottom: 1.15rem;
    margin-bottom: 1.4rem;
    border-bottom: 1px solid var(--nl-line);
    font-size: 0.85rem;
    color: var(--nl-muted);
}

.article-text {
    font-size: 1.08rem;
    line-height: 1.85;
}

.article-text img {
    margin: 1.5rem 0;
    max-width: 100%;
    border-radius: var(--nl-radius);
}

.article-text h2,
.article-text h3 {
    margin-top: 2rem;
    margin-bottom: 0.7rem;
}

.article-text a { color: var(--nl-accent); }

.article-text blockquote {
    margin: 1.6rem 0;
    padding: 1rem 1.2rem;
    border-left: 4px solid var(--nl-accent);
    background: var(--nl-accent-soft);
    border-radius: 0 var(--nl-radius) var(--nl-radius) 0;
    font-family: var(--nl-display);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.4;
}

.article-sidebar {
    position: sticky;
    top: calc(var(--nl-header-h) + 1rem);
}

.author-card {
    display: flex;
    gap: 1rem;
    padding: 1.25rem 0 0;
    border-top: 1px solid var(--nl-line);
    margin-top: 2rem;
}

.author-card img {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: 50%;
}

.comment-section,
.comment-form {
    margin-top: 2.25rem;
}

.comment-section h4,
.comment-form h4 {
    font-family: var(--nl-display);
    margin-bottom: 1rem;
}

.comment-item {
    background: var(--nl-surface);
    border: 1px solid var(--nl-line);
    border-radius: var(--nl-radius);
    padding: 1rem 1.1rem;
    margin-bottom: 0.85rem;
}

.comment-form .form-control,
.comment-form textarea {
    border-radius: var(--nl-radius);
    border: 1px solid var(--nl-line);
    background: var(--nl-bg);
}

.comment-form .form-control:focus,
.comment-form textarea:focus {
    border-color: var(--nl-accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

@media (max-width: 991px) {
    .article-sidebar,
    .home-sidebar {
        position: static;
        margin-top: 2rem;
    }
}