/* =========================================================================
   The LLM Registry - Editorial / Knowledge Base Add-on
   ========================================================================= */

.pt-large { padding-top: 4rem; }
.pb-large { padding-bottom: 4rem; }
.text-center { text-align: center; }
.center-block { margin-left: auto; margin-right: auto; }

.page-content {
    min-height: 60vh;
}

.display-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.lead-text {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 700px;
    font-family: var(--font-serif);
    font-style: italic;
}

/* Nav Link Overrides for Static Pages */
.nav-link {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid transparent;
    color: var(--gray-600);
}
.nav-link:hover {
    color: var(--black);
}
.nav-link.active {
    color: var(--black);
    border-bottom-color: var(--black);
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin: 3rem 0;
}

.digest-card {
    border-top: 2px solid var(--black);
    padding-top: 1.5rem;
}

.digest-card.featured {
    grid-column: 1 / -1;
    border-top-width: 4px;
    background: var(--gray-100);
    padding: 3rem;
}

.digest-card.featured h3 {
    font-size: 2.5rem;
}

.digest-card .tag {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.digest-card h3 {
    font-size: 1.75rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.digest-card h3 a {
    color: var(--black);
}

.digest-card .excerpt {
    font-size: 1rem;
    color: var(--gray-800);
    margin-bottom: 2rem;
}

.read-more {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Deep Article Formatting */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

.article-header {
    margin-bottom: 4rem;
    border-bottom: 1px solid var(--gray-300);
    padding-bottom: 2rem;
}

.article-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.article-meta {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-600);
    display: flex;
    justify-content: space-between;
}

.article-body {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--gray-800);
}

.article-body p {
    margin-bottom: 2rem;
}

.article-body h2 {
    font-size: 2rem;
    margin: 3rem 0 1.5rem;
    color: var(--black);
}

.article-body h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    font-family: var(--font-sans);
    font-weight: 600;
}

.article-body ul, .article-body ol {
    margin-bottom: 2rem;
    padding-left: 2rem;
}

.article-body li {
    margin-bottom: 0.5rem;
}

.article-body strong {
    color: var(--black);
    font-weight: 600;
}

/* In-Line CTA Wrapper for Heavy SEO Funneling */
.inline-cta {
    background: var(--black);
    color: var(--white);
    padding: 3rem;
    margin: 3rem 0;
    text-align: center;
}

.inline-cta h4 {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.inline-cta p {
    color: var(--gray-300);
    font-size: 1rem;
    margin-bottom: 2rem;
}

.btn-white {
    background: var(--white);
    color: var(--black);
    padding: 1rem 2rem;
    display: inline-block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

@media (max-width: 768px) {
    .articles-grid { grid-template-columns: 1fr; }
    .digest-card.featured { padding: 1.5rem; }
    .display-title { font-size: 2.5rem; }
}