/* ============================================================================
   Blog — listing (index/category/tag) + single post.
   Builds on tokens + primitives from public.css / pages.css. No new tokens.
   ========================================================================== */

/* ---- Filter chips ---------------------------------------------------------- */
.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    align-items: center;
}
.blog-chip {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .45rem .95rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--bg);
    color: var(--ink-soft);
    font-size: .88rem;
    font-weight: 600;
    line-height: 1;
    transition: color .15s ease, background .15s ease, border-color .15s ease;
}
a.blog-chip:hover {
    color: var(--brand-dark);
    border-color: var(--brand-light);
    background: var(--brand-soft);
}
.blog-chip.is-active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}
a.blog-chip.is-active:hover {
    background: var(--brand-dark);
    border-color: var(--brand-dark);
    color: #fff;
}
.blog-chip--tag { text-transform: none; }

/* ---- Listing grid + cards -------------------------------------------------- */
.blog-grid { align-items: stretch; }

.blog-card {
    display: flex;
    flex-direction: column;
}
.blog-card__media {
    display: block;
    aspect-ratio: 5 / 3;
    background: var(--bg-alt);
    overflow: hidden;
}
.blog-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .25s ease;
}
.blog-card:hover .blog-card__media img { transform: scale(1.04); }

.blog-card__body {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    padding: 1.25rem;
    flex: 1 1 auto;
}
.blog-card__badge { align-self: flex-start; text-decoration: none; }
a.blog-card__badge:hover { background: var(--brand-light); color: #fff; }

.blog-card__title {
    font-size: 1.15rem;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -.01em;
    margin: 0;
    color: var(--ink);
}
.blog-card__title a { color: inherit; text-decoration: none; }
.blog-card__title a:hover { color: var(--brand-dark); }

.blog-card__excerpt {
    margin: 0;
    color: var(--ink-soft);
    font-size: .95rem;
    line-height: 1.6;
}
.blog-card__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .45rem;
    margin-top: auto;
    padding-top: .35rem;
    font-size: .82rem;
    color: var(--muted);
}
.blog-card__author { font-weight: 600; color: var(--ink-soft); }
.blog-card__dot { color: var(--line); }

.blog-empty { text-align: center; background: var(--bg-alt); border: 1px solid var(--line); color: var(--ink-soft); }
.blog-empty a { color: var(--brand-dark); text-decoration: underline; }

/* ---- Two-column shell (content + right sidebar) ---------------------------- */
.blog-shell {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
}
@media (min-width: 1000px) {
    .blog-shell {
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: 2rem 3rem;
    }
}
.blog-shell__main { min-width: 0; }

/* ---- Sidebar --------------------------------------------------------------- */
.blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
@media (min-width: 1000px) {
    .blog-sidebar { position: sticky; top: 1.5rem; }
}
.blog-widget {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.35rem 1.4rem;
    box-shadow: var(--shadow-sm);
}
.blog-widget__title {
    font-size: .82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--muted);
    margin: 0 0 1rem;
    padding-bottom: .7rem;
    border-bottom: 1px solid var(--line);
}
.blog-widget__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .1rem; }
.blog-widget__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    padding: .5rem .65rem;
    border-radius: var(--radius-sm);
    color: var(--ink-soft);
    text-decoration: none;
    font-size: .95rem;
    font-weight: 500;
    transition: background .15s ease, color .15s ease;
}
.blog-widget__link:hover { background: var(--brand-soft); color: var(--brand-dark); }
.blog-widget__link.is-active { background: var(--brand-soft); color: var(--brand-dark); font-weight: 700; }
.blog-widget__count {
    flex: none;
    min-width: 1.5rem;
    text-align: center;
    padding: .05rem .45rem;
    border-radius: 999px;
    background: var(--bg-alt);
    color: var(--muted);
    font-size: .75rem;
    font-weight: 700;
}
.blog-widget__link:hover .blog-widget__count,
.blog-widget__link.is-active .blog-widget__count { background: var(--brand); color: #fff; }

/* ---- Search box ------------------------------------------------------------ */
.blog-search { display: flex; align-items: stretch; gap: .5rem; }
.blog-search__input {
    flex: 1 1 auto;
    min-width: 0;
    padding: .6rem .8rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: .95rem;
    color: var(--ink);
    background: var(--bg);
}
.blog-search__input:focus {
    outline: none;
    border-color: var(--brand-light);
    box-shadow: 0 0 0 3px var(--brand-soft);
}
.blog-search__button {
    flex: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.6rem;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--brand);
    color: #fff;
    cursor: pointer;
    transition: background .15s ease;
}
.blog-search__button:hover { background: var(--brand-dark); }

/* ---- Recent posts ---------------------------------------------------------- */
.blog-recent { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1rem; }
.blog-recent__item { display: flex; gap: .85rem; align-items: flex-start; }
.blog-recent__media {
    flex: none;
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-alt);
    display: block;
}
.blog-recent__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.blog-recent__body { min-width: 0; display: flex; flex-direction: column; gap: .2rem; }
.blog-recent__title {
    font-size: .92rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--ink);
    text-decoration: none;
}
.blog-recent__title:hover { color: var(--brand-dark); }
.blog-recent__date { font-size: .78rem; color: var(--muted); }

/* ---- Tag cloud ------------------------------------------------------------- */
.blog-tagcloud { display: flex; flex-wrap: wrap; gap: .5rem; }

/* ---- Utility --------------------------------------------------------------- */
.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---- Single post ----------------------------------------------------------- */
.blog-article { padding: 0; }

.blog-article__header { margin-bottom: 1.75rem; }
.blog-article__badge { display: inline-flex; text-decoration: none; margin-bottom: 1rem; }
a.blog-article__badge:hover { background: var(--brand-light); color: #fff; }

.blog-article__title {
    font-size: clamp(1.9rem, 4.5vw, 2.75rem);
    line-height: 1.12;
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--ink);
    margin: 0 0 1rem;
}
.blog-article__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem;
    font-size: .92rem;
    color: var(--muted);
}
.blog-article__author { display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: .4rem; }
.blog-article__author-name { font-weight: 700; color: var(--ink); }
.blog-article__author-title { color: var(--muted); }
.blog-article__dot { color: var(--line); }

/* ---- Article body header (category + meta, moved out of the hero) ----------
   Category badge + meta now live in the article body and reuse the readable
   .blog-article__badge / .blog-article__meta styles defined above. */

.blog-article__media {
    margin: 0 0 2rem;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    aspect-ratio: 16 / 9;
    background: var(--bg-alt);
}
.blog-article__media img { width: 100%; height: 100%; object-fit: cover; display: block; }

.blog-article__body { margin-bottom: 2rem; }

/* ---- Tag chips + back link ------------------------------------------------- */
.blog-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .55rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
}
.blog-tags__label {
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--muted);
    margin-right: .25rem;
}
.blog-article__back { margin: 1.75rem 0 0; }
.blog-article__back a {
    font-weight: 700;
    color: var(--brand-dark);
    text-decoration: none;
}
.blog-article__back a:hover { text-decoration: underline; }

/* ---- Related --------------------------------------------------------------- */
.blog-related .section-head { margin-bottom: 1.75rem; }

@media (max-width: 560px) {
    .blog-card__body { padding: 1.1rem; }
}