/* =========================================================================
   Unsurfaced — article.css
   Single article page: centered reading column + right rail + bottom strip.
   ========================================================================= */

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 3rem;
    align-items: start;
}
@media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; gap: 2rem; }
}

/* ----- Article column ----- */
.article {
    max-width: 760px;
    width: 100%;
    margin: 0 auto;
}
.article .breadcrumbs { margin-bottom: 1rem; }
.article__header { margin-bottom: 1.5rem; }
.article__title {
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: clamp(1.9rem, 3vw, 2.6rem);
    line-height: 1.15;
    letter-spacing: -0.012em;
    margin: 0 0 .85rem;
}
.article__meta {
    font-family: var(--font-sans);
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-mute);
    border-top: 3px solid var(--color-accent);
    padding-top: .7rem;
    display: inline-block;
}
.article__hero {
    margin: 0 0 2rem;
    aspect-ratio: 840 / 470;
    overflow: hidden;
    background: var(--color-surface);
}
.article__hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ----- Article body (CMS HTML) ----- */
.article__body {
    font-family: var(--font-serif);
    font-size: 1.12rem;
    line-height: 1.72;
    color: var(--color-text);
}
.article__body p { margin: 0 0 1.2em; }
.article__body h2 {
    font-size: 1.7rem;
    line-height: 1.2;
    margin: 2rem 0 .85rem;
}
.article__body h3 {
    font-size: 1.35rem;
    margin: 1.7rem 0 .7rem;
}
.article__body a {
    color: var(--color-accent);
    text-decoration: underline;
    text-decoration-color: rgba(10,37,64,0.45);
    text-underline-offset: 3px;
}
.article__body a:hover { color: var(--color-accent-2); text-decoration-color: currentColor; }
.article__body img { margin: 1.5rem 0; height: auto; }
.article__body ul, .article__body ol {
    margin: 0 0 1.2em 1.5em;
    padding: 0;
    list-style: disc;
}
.article__body ol { list-style: decimal; }
.article__body li { margin-bottom: .4em; }
.article__body blockquote {
    margin: 1.6rem 0;
    padding: .5rem 0 .5rem 1.2rem;
    border-left: 3px solid var(--color-accent);
    font-style: italic;
    color: var(--color-text-mute);
}
.article__body code {
    font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    font-size: .92em;
    background: var(--color-surface);
    padding: .12em .35em;
    border-radius: 2px;
}
.article__body pre {
    background: var(--color-surface);
    padding: 1rem 1.1rem;
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: .9rem;
    line-height: 1.55;
    margin: 1.4rem 0;
}
.article__body pre code { background: none; padding: 0; }

/* ----- Right-hand rail ----- */
.article-rail {
    position: sticky;
    top: 1.5rem;
    align-self: start;
}
.rail__heading {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--color-accent);
    border-top: 3px solid var(--color-accent);
    padding-top: .8rem;
    margin: 0 0 .8rem;
}
.rail__list { display: flex; flex-direction: column; }
.rail__item {
    border-top: 1px solid var(--color-border-soft);
    /* Thin category-colored left rule, mirrors the card top-rule treatment
       used elsewhere so rail items feel like the same component family. */
    box-shadow: inset 3px 0 0 var(--cat-color);
    padding-left: .7rem;
}
.rail__item:first-child { border-top: none; }
.rail__link {
    display: block;
    padding: .85rem 0;
    color: var(--color-text);
}
.rail__link:hover { text-decoration: none; }
.rail__link:hover .rail__title { color: var(--cat-color); }
.rail__title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.3;
    margin: 0 0 .25rem;
    transition: color .15s ease;
}
.rail__meta {
    font-family: var(--font-sans);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-faint);
}

/* ----- Bottom "more articles" strip ----- */
.more-section {
    padding-top: 0;
    padding-bottom: 3rem;
    border-top: 1px solid var(--color-border);
    margin-top: 1rem;
}
.more-grid {
    display: grid;
    gap: 2rem 1.75rem;
    grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 1024px) {
    .more-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
    .more-grid { grid-template-columns: 1fr; }
}