/**
 * NLFactory Blog — page-specific styles only.
 * Design system (tokens, type, reset, .eyebrow, reduced-motion) comes from
 * includes/theme.css, loaded first via head-public.php.
 * "The Periodical" redesign 2026-06-23 (was Georgia serif + navy/green gradient hero).
 */

img { max-width: 100%; height: auto; display: block; }
@media (max-width: 768px) { .nav-links { display: none; } }

/* ─── Index page-head (flattened from the old gradient hero) ───────────── */
.blog-index-hero {
    max-width: 1140px; margin: 0 auto; padding: 56px 28px 30px;
    border-bottom: 1px solid var(--rule);
}
.blog-index-hero h1 {
    font-family: var(--display); font-weight: 800;
    font-size: clamp(2.3rem, 5vw, 3.4rem); line-height: 1.04;
    letter-spacing: -0.02em; color: var(--navy); margin: 0 0 14px;
}
.blog-index-hero p {
    font-family: var(--body); font-size: 1.12rem; line-height: 1.55;
    color: var(--muted); max-width: 60ch; margin: 0;
}

/* RSS chip — was a translucent pill on the gradient; now an outline chip on paper */
.blog-rss-link {
    display: inline-flex; align-items: center; gap: 7px;
    margin-top: 22px; padding: 7px 15px;
    font-family: var(--mono); font-size: 0.7rem; font-weight: 500;
    letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--green-dark) !important; background: var(--sheet);
    border: 1px solid var(--rule); border-radius: 999px;
    text-decoration: none; transition: border-color 0.15s, background 0.15s;
}
.blog-rss-link:hover { border-color: var(--green); background: rgba(16,160,119,0.06); }
.blog-rss-link svg { flex-shrink: 0; }

/* ─── Category nav (no longer overlaps a gradient; sits inline) ────────── */
.blog-cat-nav {
    max-width: 1140px; margin: 22px auto 0; padding: 0 28px;
    display: flex; flex-wrap: wrap; gap: 9px;
}
.blog-cat-link {
    display: inline-block; padding: 7px 15px; border-radius: 999px;
    font-family: var(--mono); font-size: 0.72rem; font-weight: 500;
    letter-spacing: 0.04em; text-decoration: none;
    color: var(--ink); background: var(--sheet);
    border: 1px solid var(--rule);
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.blog-cat-link:hover { border-color: var(--navy); }
.blog-cat-link.is-active {
    background: var(--cat-color, var(--navy)); color: #fff;
    border-color: var(--cat-color, var(--navy));
}

.blog-tag-filter-banner {
    max-width: 1140px; margin: 18px auto 0; padding: 0 28px;
    font-family: var(--mono); font-size: 0.74rem; color: var(--muted);
}

/* ─── Grid + cards ────────────────────────────────────────────────────── */
.blog-main { max-width: 1140px; margin: 0 auto; padding: 36px 28px 84px; }
.blog-grid {
    display: grid; gap: 26px;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}
.blog-card {
    background: var(--sheet); border: 1px solid var(--rule); border-radius: 10px;
    overflow: hidden; text-decoration: none; color: inherit;
    display: flex; flex-direction: column;
    position: relative; top: 0;
    /* Hover lift uses `top`, NOT `transform`: a transform on this rounded,
       overflow-hidden card promotes it to a GPU layer that rasterizes the
       cover image at low DPI (soft until a window resize). `top` avoids the
       layer entirely, so images stay crisp. */
    transition: top 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.blog-card:hover {
    top: -3px;
    box-shadow: 0 18px 44px -28px rgba(0,55,109,0.4);
    border-color: rgba(0,55,109,0.28);
}
/* Box matches the image's real 3:2 ratio (1200x800) so object-fit:cover is a
   clean proportional downscale with no scale-and-crop mismatch. */
.blog-card-img { width: 100%; aspect-ratio: 3 / 2; overflow: hidden; background: var(--paper); }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; }
.blog-card-img-placeholder {
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.9);
    font-family: var(--display); font-size: 1.15rem; font-weight: 800;
    letter-spacing: 1px;
}
.blog-card-body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.blog-card-meta { display: flex; gap: 8px; margin-bottom: 13px; flex-wrap: wrap; }
.blog-card-title {
    font-family: var(--display); font-size: 1.28rem; font-weight: 700;
    letter-spacing: -0.01em; color: var(--navy); margin: 0 0 10px; line-height: 1.22;
}
.blog-card-excerpt {
    font-family: var(--body); font-size: 0.94rem; line-height: 1.6;
    color: var(--muted); margin: 0 0 16px; flex: 1;
}
.blog-card-footer {
    display: flex; gap: 6px; align-items: center;
    font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.03em; color: var(--muted);
}
.blog-dot { color: var(--rule); }

/* Pills (category + type) */
.blog-cat-pill {
    display: inline-block; padding: 4px 10px; border-radius: 999px;
    font-family: var(--mono); font-size: 0.62rem; font-weight: 500;
    letter-spacing: 0.06em; text-transform: uppercase;
    color: #fff; text-decoration: none;
}
.blog-type-pill {
    display: inline-block; padding: 4px 10px; border-radius: 999px;
    font-family: var(--mono); font-size: 0.62rem; font-weight: 500;
    letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--c-fun); background: rgba(181,120,26,0.1); border: 1px solid rgba(181,120,26,0.3);
}

/* ─── Single post ─────────────────────────────────────────────────────── */
.blog-post { max-width: 760px; margin: 0 auto; padding: 52px 28px 84px; }
.blog-post-header { margin-bottom: 30px; }
.blog-post-meta {
    display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
    font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.03em;
    color: var(--muted); margin-bottom: 20px;
}
.blog-post-title {
    font-family: var(--display); font-size: clamp(2.1rem, 5vw, 3rem); font-weight: 800;
    letter-spacing: -0.02em; color: var(--navy); line-height: 1.08; margin: 0 0 18px;
}
.blog-post-excerpt {
    font-family: var(--body); font-size: 1.2rem; line-height: 1.55; color: var(--ink);
    margin: 0 0 16px; font-weight: 400;
}
.blog-post-author { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); margin: 0; }
/* Byline name links to the founder bio on /about.php (2026-07-30, replaces the
   per-post author card). Inherits the muted byline color deliberately: a default
   browser-blue link would shout inside this small mono line. */
.blog-post-author a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--rule); }
.blog-post-author a:hover { color: var(--green-dark); border-bottom-color: var(--green-dark); }

.blog-hero { margin: 0 0 38px; }
.blog-hero img { border-radius: 12px; }

.blog-use-case-card {
    background: var(--sheet); border: 1px solid var(--rule); border-left: 4px solid var(--c-fun);
    border-radius: 10px; padding: 22px 26px; margin: 0 0 32px;
}
.blog-use-case-card h3 {
    margin: 0 0 14px; font-family: var(--mono); font-size: 0.72rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-fun);
}
.blog-use-case-card dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; margin: 0; }
.blog-use-case-card dt { font-family: var(--body); font-weight: 700; color: var(--navy); font-size: 0.9rem; }
.blog-use-case-card dd { margin: 0; font-family: var(--body); font-size: 0.9rem; color: var(--ink); }

.blog-body { font-family: var(--body); font-size: 1.08rem; line-height: 1.75; color: var(--ink); }
.blog-body h2 {
    font-family: var(--display); font-size: 1.7rem; font-weight: 700; letter-spacing: -0.01em;
    color: var(--navy); margin: 44px 0 14px;
}
.blog-body h3 {
    font-family: var(--display); font-size: 1.32rem; font-weight: 700;
    color: var(--navy); margin: 34px 0 12px;
}
.blog-body p { margin: 0 0 18px; }
.blog-body ul, .blog-body ol { margin: 0 0 20px; padding-left: 26px; }
.blog-body li { margin-bottom: 8px; }
.blog-body blockquote {
    margin: 26px 0; padding: 14px 22px; border-left: 4px solid var(--green);
    background: rgba(16,160,119,0.07); color: var(--green-dark); font-style: italic;
}
.blog-body img { border-radius: 8px; margin: 24px 0; }
.blog-body a { color: var(--navy); text-decoration: underline; text-decoration-color: var(--green); text-underline-offset: 3px; }
.blog-body code {
    background: var(--paper); padding: 2px 6px; border-radius: 4px;
    font-family: var(--mono); font-size: 0.85em;
}
.blog-body pre {
    background: var(--navy-deep); color: #e8eef5; padding: 18px 20px;
    border-radius: 8px; overflow-x: auto; font-family: var(--mono); font-size: 0.85rem; line-height: 1.6;
}
.blog-body pre code { background: none; padding: 0; }

.blog-tags { margin: 36px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.blog-tag {
    display: inline-block; padding: 4px 11px; border-radius: 999px;
    font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.03em;
    background: var(--sheet); border: 1px solid var(--rule); color: var(--muted); text-decoration: none;
}
.blog-tag:hover { border-color: var(--navy); color: var(--ink); }

.blog-cta {
    margin: 50px 0 0;
    background: var(--sheet); border: 1px solid var(--rule);
    border-top: 3px solid var(--green);
    border-radius: 12px; padding: 34px; text-align: center;
}
.blog-cta h3 { font-family: var(--display); font-size: 1.5rem; font-weight: 700; color: var(--navy); margin: 0 0 8px; }
.blog-cta p { font-family: var(--body); margin: 0 0 22px; color: var(--muted); }

.btn-primary {
    display: inline-block; background: var(--green); color: #fff !important;
    padding: 14px 32px; border-radius: 8px;
    font-family: var(--body); font-weight: 700;
    text-decoration: none !important; transition: background 0.15s, transform 0.15s;
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-1px); }

/* ─── Author byline card ──────────────────────────────────────────────── */
.blog-author-card {
    margin: 46px 0 0; padding: 22px 24px;
    background: var(--sheet); border: 1px solid var(--rule); border-radius: 12px;
    display: flex; gap: 18px; align-items: flex-start;
}
.blog-author-avatar { width: 64px; height: 64px; border-radius: 50%; flex-shrink: 0; object-fit: cover; }
.blog-author-avatar-placeholder {
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--navy) 0%, var(--green) 100%);
    color: #fff; font-family: var(--display); font-size: 1.6rem; font-weight: 800;
}
.blog-author-body { flex: 1; min-width: 0; }
.blog-author-name {
    font-family: var(--display); font-size: 1.05rem; font-weight: 700;
    color: var(--navy); margin-bottom: 4px;
}
.blog-author-title-inline { font-family: var(--mono); font-weight: 400; color: var(--muted); font-size: 0.78rem; }
.blog-author-title { font-weight: 400; color: var(--muted); }
.blog-author-bio { margin: 0; font-family: var(--body); font-size: 0.92rem; line-height: 1.6; color: var(--muted); }
.blog-author-links { margin-top: 10px; display: flex; gap: 14px; font-family: var(--mono); font-size: 0.72rem; }
.blog-author-links a { color: var(--navy); text-decoration: none; }
.blog-author-links a:hover { text-decoration: underline; }

/* ─── Related posts ───────────────────────────────────────────────────── */
.blog-related { margin: 58px 0 0; padding-top: 42px; border-top: 1px solid var(--rule); }
.blog-related > h3 {
    font-family: var(--display); font-size: 1.4rem; font-weight: 700; color: var(--navy);
    margin: 0 0 22px; text-align: center;
}
.blog-related-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.blog-related-card {
    display: block; text-decoration: none; color: inherit;
    background: var(--sheet); border: 1px solid var(--rule); border-radius: 10px; overflow: hidden;
    position: relative; top: 0;
    transition: top 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.blog-related-card:hover {
    top: -3px; box-shadow: 0 14px 30px -22px rgba(0,55,109,0.4);
    border-color: rgba(0,55,109,0.28);
}
.blog-related-img { width: 100%; aspect-ratio: 3 / 2; overflow: hidden; background: var(--paper); }
.blog-related-img img { width: 100%; height: 100%; object-fit: cover; }
.blog-related-body { padding: 14px 16px 16px; }
.blog-related-body .blog-cat-pill { font-size: 0.58rem; }
.blog-related-body h4 {
    font-family: var(--display); font-size: 1.02rem; font-weight: 700; color: var(--navy);
    margin: 10px 0 6px; line-height: 1.25;
}
.blog-related-meta { font-family: var(--mono); font-size: 0.68rem; color: var(--muted); }

.blog-empty { text-align: center; padding: 84px 24px; font-family: var(--body); color: var(--muted); }
.blog-empty h1, .blog-empty h2 { font-family: var(--display); color: var(--navy); }

/* ─── Listen (Podcast Mode narration, 2026-08-23) ─────────────────────────
   Chip sits in the single-post meta row (inherits the .blog-rss-link chip
   idiom); the player is a bottom-fixed card on the .blog-cta green-edge
   pattern. JS lives inline in blog.php's single-post branch; audio comes from
   /api/blog-audio.php?slug= (302 -> cached /audio/blog/ MP3). */
.blog-listen-chip {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 5px 13px; margin-left: 2px;
    font-family: var(--mono); font-size: 0.66rem; font-weight: 500;
    letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--green-dark); background: var(--sheet);
    border: 1px solid var(--rule); border-radius: 999px; cursor: pointer;
    transition: border-color 0.15s, background 0.15s, color 0.15s;
    min-height: 28px;
}
.blog-listen-chip:hover { border-color: var(--green); background: rgba(16,160,119,0.06); }
.blog-listen-chip:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.blog-listen-chip.is-active { background: var(--green); border-color: var(--green); color: #fff; }
.blog-listen-chip-icon { font-size: 0.7rem; line-height: 1; }

.blog-listen-player {
    position: fixed; left: 50%; bottom: 12px;
    transform: translateX(-50%) translateY(16px);
    width: calc(100% - 24px); max-width: 720px;
    background: var(--sheet); border: 1px solid var(--rule); border-top: 3px solid var(--green);
    border-radius: 14px; box-shadow: 0 18px 44px -18px rgba(0,55,109,0.45);
    padding: 14px 18px 12px; z-index: 400;
    opacity: 0; pointer-events: none;
    transition: opacity 0.22s ease, transform 0.22s ease;
}
.blog-listen-player.is-open { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
@media (prefers-reduced-motion: reduce) { .blog-listen-player { transition: none; } }
.blog-listen-row { display: flex; align-items: center; gap: 14px; }
.blog-listen-play {
    width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
    background: var(--green); color: #fff; border: none; cursor: pointer;
    font-size: 1rem; line-height: 1; display: flex; align-items: center; justify-content: center;
    transition: background 0.15s;
}
.blog-listen-play:hover { background: var(--green-dark); }
.blog-listen-play:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }
.blog-listen-meta { flex: 1; min-width: 0; }
.blog-listen-title {
    font-family: var(--display); font-size: 0.95rem; font-weight: 700; color: var(--navy);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin: 0 0 2px;
}
.blog-listen-status {
    font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.06em;
    text-transform: uppercase; color: var(--muted); margin: 0;
}
.blog-listen-status.is-live { color: var(--green-dark); }
.blog-listen-time {
    font-family: var(--mono); font-size: 0.72rem; color: var(--muted);
    font-variant-numeric: tabular-nums; white-space: nowrap;
}
.blog-listen-speed {
    font-family: var(--mono); font-size: 0.66rem; font-weight: 500; color: var(--navy);
    background: var(--paper); border: 1px solid var(--rule); border-radius: 999px;
    padding: 5px 10px; cursor: pointer; min-width: 44px; min-height: 28px;
    transition: border-color 0.15s;
}
.blog-listen-speed:hover { border-color: var(--navy); }
.blog-listen-close {
    background: none; border: none; color: var(--muted); cursor: pointer;
    font-size: 1.05rem; line-height: 1; padding: 8px; border-radius: 6px;
}
.blog-listen-close:hover { color: var(--navy); background: var(--paper); }
.blog-listen-seek-row { display: flex; align-items: center; gap: 12px; margin-top: 10px; }
.blog-listen-seek {
    -webkit-appearance: none; appearance: none; flex: 1; height: 6px; border-radius: 999px;
    background: linear-gradient(to right, var(--green) var(--pct,0%), rgba(0,55,109,0.12) var(--pct,0%));
    cursor: pointer; outline-offset: 4px;
}
.blog-listen-seek::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none; width: 15px; height: 15px; border-radius: 50%;
    background: var(--green-dark); border: 2px solid #fff; box-shadow: 0 1px 4px rgba(0,55,109,0.4);
}
.blog-listen-seek::-moz-range-thumb {
    width: 13px; height: 13px; border-radius: 50%;
    background: var(--green-dark); border: 2px solid #fff; box-shadow: 0 1px 4px rgba(0,55,109,0.4);
}
.blog-listen-caption {
    margin: 10px 0 0; padding-top: 9px; border-top: 1px solid var(--rule-soft);
    font-family: var(--mono); font-size: 0.63rem; letter-spacing: 0.04em;
    color: var(--muted); text-align: center;
}
.blog-listen-caption strong { color: var(--navy); font-weight: 500; }
.blog-listen-caption a { color: var(--green-dark); text-decoration: none; border-bottom: 1px solid rgba(13,133,99,0.4); }
.blog-listen-caption a:hover { border-bottom-color: var(--green-dark); }

/* ─── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 680px) {
    .blog-index-hero { padding: 40px 22px 26px; }
    .blog-post { padding: 40px 22px 64px; }
    .blog-body { font-size: 1rem; }
    .blog-cta { padding: 26px 22px; }
    .blog-listen-player { padding: 12px 14px 10px; }
}

/* ── Live blog search (2026-08-24) ─────────────────────────────────────── */
.blog-search {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 560px;
    margin: 20px auto 0;
    padding: 0 20px;
}
.blog-search-box { position: relative; flex: 1; min-width: 0; }
.blog-search-icon {
    position: absolute; left: 13px; top: 50%;
    transform: translateY(-50%);
    color: var(--muted, #3f4e5e); opacity: .65; pointer-events: none;
}
.blog-search-box input {
    width: 100%;
    border: 1px solid var(--rule, rgba(0,55,109,0.2));
    border-radius: 10px;
    padding: 10px 34px 10px 38px;
    font-size: .95rem; font-family: inherit;
    color: var(--ink, #11263b);
    background: var(--sheet, #ffffff);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.blog-search-box input:focus {
    outline: none;
    border-color: var(--green-dark, #0d8563);
    box-shadow: 0 0 0 3px rgba(16,160,119,0.14);
}
.blog-search-box input::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }
.blog-search-clear {
    position: absolute; right: 8px; top: 50%;
    transform: translateY(-50%);
    border: 0; background: transparent;
    font-size: 1.15rem; line-height: 1;
    color: var(--muted, #3f4e5e);
    cursor: pointer; padding: 4px 8px; border-radius: 6px;
}
.blog-search-clear:hover { color: var(--ink, #11263b); }
.blog-search-count { font-size: .85rem; color: var(--muted, #3f4e5e); white-space: nowrap; }
.blog-card[hidden] { display: none !important; }
@media (max-width: 600px) {
    .blog-search { flex-wrap: wrap; }
    .blog-search-count { width: 100%; text-align: center; margin-top: 6px; }
}