/* MailEach — public blog / content hub (extends landing.css).
   Same navy/blue palette, strong type, generous space; no gradients/glass
   clichés beyond the existing brand accents. */

/* ---- blog hero ---- */
.blog-hero { padding: 68px 0 30px; text-align: center; }
.blog-hero h1 { font-size: 42px; line-height: 1.12; letter-spacing: -0.03em; font-weight: 800; margin: 0 auto 16px; max-width: 720px; }
.blog-hero .lede { font-size: 18px; color: var(--lp-muted); max-width: 640px; margin: 0 auto 30px; line-height: 1.7; }

/* ---- search ---- */
.blog-search { position: relative; max-width: 520px; margin: 0 auto; }
.blog-search input {
    width: 100%; height: 50px; padding: 0 18px 0 48px;
    border: 1px solid var(--lp-border); border-radius: 12px;
    font-size: 15px; color: var(--lp-text); background: #fff;
    font-family: inherit;
}
.blog-search input::placeholder { color: #94a3b8; }
.blog-search input:focus { outline: none; border-color: var(--lp-blue); box-shadow: 0 0 0 3px rgba(37,99,235,0.12); }
.blog-search .ico { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--lp-muted); display: flex; }
.blog-search .ico svg { width: 18px; height: 18px; }

/* ---- content-type tabs ---- */
.blog-tabs { display: flex; justify-content: center; gap: 6px; margin: 24px 0 0; flex-wrap: wrap; }
.blog-tab { font-size: 13.5px; font-weight: 600; color: var(--lp-muted); padding: 8px 18px; border-radius: 9px; border: 1px solid transparent; }
.blog-tab:hover { background: var(--lp-bg-soft); color: var(--lp-text); text-decoration: none; }
.blog-tab.active { background: var(--lp-navy); color: #fff; }

/* ---- category pills ---- */
.blog-pills { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 14px 0 42px; }
.blog-pill {
    font-size: 13px; font-weight: 600; color: var(--lp-muted);
    padding: 7px 15px; border: 1px solid var(--lp-border); border-radius: 999px;
    transition: color .12s ease, border-color .12s ease, background .12s ease;
}
.blog-pill:hover { color: var(--lp-text); border-color: #cbd5e1; background: var(--lp-bg-soft); text-decoration: none; }
.blog-pill.active { color: var(--lp-blue-dark); border-color: var(--lp-blue); background: var(--lp-blue-soft); }

/* ---- type badge ---- */
.blog-badge {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
    color: var(--lp-blue-dark); background: var(--lp-blue-soft); border: 1px solid #dbe6fb;
    border-radius: 999px; padding: 3px 10px; white-space: nowrap;
}
.blog-badge.guide { color: #1d4ed8; background: #e8effd; border-color: #d3e0fb; }
.blog-badge.update { color: #0f766e; background: #e7f6f1; border-color: #d1ecf0; }
.blog-badge.article { color: #7c3aed; background: #f3e8ff; border-color: #ead9ff; }

/* ---- cover art (placeholder vs uploaded) ---- */
.blog-cover {
    position: relative; display: flex; align-items: center; justify-content: center;
    overflow: hidden; background: linear-gradient(135deg, #2563eb, #1d4ed8);
}
.blog-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.blog-cover .glyph { color: rgba(255,255,255,0.85); display: flex; }
.blog-cover .glyph svg { width: 40px; height: 40px; }
.blog-cover.guide { background: linear-gradient(135deg, #1d4ed8, #312e81); }
.blog-cover.update { background: linear-gradient(135deg, #0f766e, #115e59); }
.blog-cover.article { background: linear-gradient(135deg, #7c3aed, #4c1d95); }

/* ---- featured card ---- */
.blog-featured {
    display: grid; grid-template-columns: 1.1fr 1fr;
    border: 1px solid var(--lp-border); border-radius: 18px; overflow: hidden;
    background: #fff; margin-bottom: 44px;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.blog-featured:hover { border-color: #d3dce8; box-shadow: 0 10px 30px rgba(15,23,42,0.08); }
.blog-featured .cover { min-height: 320px; }
.blog-featured .body { padding: 34px 36px; display: flex; flex-direction: column; }
.blog-featured h2 { font-size: 25px; letter-spacing: -0.02em; font-weight: 800; margin: 14px 0 10px; line-height: 1.22; }
.blog-featured h2 a { color: var(--lp-text); }
.blog-featured h2 a:hover { color: var(--lp-blue-dark); text-decoration: none; }
.blog-featured .excerpt { color: var(--lp-muted); font-size: 15px; margin: 0 0 18px; line-height: 1.7; }

/* ---- card grid ---- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.blog-card {
    display: flex; flex-direction: column; background: #fff;
    border: 1px solid var(--lp-border); border-radius: 14px; overflow: hidden;
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.blog-card:hover { border-color: #d3dce8; box-shadow: 0 8px 24px rgba(15,23,42,0.07); transform: translateY(-2px); }
.blog-card .cover { height: 168px; }
.blog-card .body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.blog-card .badge-row { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.blog-card h3 { font-size: 17px; letter-spacing: -0.01em; font-weight: 700; margin: 0 0 8px; line-height: 1.35; }
.blog-card h3 a { color: var(--lp-text); }
.blog-card h3 a:hover { color: var(--lp-blue-dark); text-decoration: none; }
.blog-card .excerpt { color: var(--lp-muted); font-size: 14px; margin: 0 0 16px; line-height: 1.65; }
.blog-card .body .spacer { flex: 1; }

/* ---- meta ---- */
.blog-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12.5px; color: var(--lp-muted); }
.blog-meta .dot { opacity: .5; }
.blog-meta b { color: #334155; font-weight: 600; }

/* ---- section head (for "latest" label) ---- */
.blog-section-head { display: flex; align-items: center; justify-content: space-between; margin: 0 0 20px; }
.blog-section-head h2 { font-size: 22px; letter-spacing: -0.02em; font-weight: 800; margin: 0; }
.blog-section-head .count { color: var(--lp-muted); font-size: 13px; }

/* ---- pagination ---- */
.blog-pagination { display: flex; align-items: center; gap: 8px; justify-content: center; margin: 44px 0 8px; flex-wrap: wrap; }
.blog-pagination a, .blog-pagination span.cur {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 40px; height: 40px; padding: 0 12px; border-radius: 10px;
    font-size: 14px; font-weight: 600; color: var(--lp-muted);
    border: 1px solid var(--lp-border); background: #fff;
}
.blog-pagination a:hover { border-color: #cbd5e1; color: var(--lp-text); background: var(--lp-bg-soft); text-decoration: none; }
.blog-pagination span.cur { color: #fff; background: var(--lp-blue); border-color: var(--lp-blue); }
.blog-pagination span.ellipsis { color: var(--lp-muted); padding: 0 4px; }

/* ---- empty state ---- */
.blog-empty { text-align: center; padding: 70px 30px; border: 1px dashed var(--lp-border); border-radius: 16px; background: #fff; }
.blog-empty .big { font-size: 40px; line-height: 1; margin-bottom: 14px; }
.blog-empty h3 { margin: 0 0 8px; font-size: 18px; }
.blog-empty p { color: var(--lp-muted); font-size: 14.5px; margin: 0; max-width: 440px; margin-left: auto; margin-right: auto; }

/* ---- responsive ---- */
@media (max-width: 960px) {
    .blog-grid { grid-template-columns: 1fr 1fr; }
    .blog-featured { grid-template-columns: 1fr; }
    .blog-featured .cover { min-height: 220px; }
    .blog-hero h1 { font-size: 34px; }
}
@media (max-width: 640px) {
    .blog-grid { grid-template-columns: 1fr; }
    .blog-pills { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; }
    .blog-hero h1 { font-size: 28px; }
    .blog-featured .body { padding: 24px 22px; }
}

/* ---- reading progress bar ---- */
.blog-progress {
    position: fixed; top: 0; left: 0; height: 3px; width: 0;
    background: linear-gradient(90deg, #2563eb, #7c3aed); z-index: 90;
    transition: width .08s linear;
}

/* ---- article page ---- */
.blog-article-wrap { max-width: 1120px; }
.blog-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 13px; color: var(--lp-muted); margin: 40px 0 22px; }
.blog-breadcrumb a { color: var(--lp-muted); }
.blog-breadcrumb a:hover { color: var(--lp-blue-dark); }
.blog-breadcrumb .sep { color: #cbd5e1; }

.blog-article-head { max-width: 760px; }
.blog-article-head h1 { font-size: 38px; letter-spacing: -0.03em; font-weight: 800; line-height: 1.14; margin: 14px 0 18px; }
.blog-article-head .excerpt { color: var(--lp-muted); font-size: 18px; line-height: 1.7; margin: 0 0 20px; }
.blog-article-cover { border-radius: 16px; overflow: hidden; border: 1px solid var(--lp-border); margin: 22px 0 8px; }
.blog-article-cover img { width: 100%; display: block; }
.blog-article-cover .caption { padding: 12px 16px; font-size: 12.5px; color: var(--lp-muted); background: var(--lp-bg-soft); border-top: 1px solid var(--lp-border); }

.blog-layout { display: grid; grid-template-columns: 1fr 260px; gap: 48px; align-items: start; }

/* prose */
.blog-prose { max-width: 720px; }
.blog-prose h2 { font-size: 26px; letter-spacing: -0.02em; font-weight: 800; margin: 40px 0 14px; scroll-margin-top: 90px; }
.blog-prose h3 { font-size: 20px; letter-spacing: -0.01em; font-weight: 700; margin: 30px 0 12px; scroll-margin-top: 90px; }
.blog-prose p { color: #334155; font-size: 16.5px; line-height: 1.8; margin: 0 0 20px; }
.blog-prose a { color: var(--lp-blue); }
.blog-prose ul, .blog-prose ol { padding-left: 24px; margin: 0 0 20px; }
.blog-prose li { color: #334155; font-size: 16.5px; line-height: 1.8; margin-bottom: 8px; }
.blog-prose blockquote { margin: 24px 0; padding: 16px 20px; border-left: 4px solid var(--lp-blue); background: var(--lp-blue-soft); border-radius: 0 12px 12px 0; color: #334155; }
.blog-prose code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 14px; background: var(--lp-bg-soft); border: 1px solid var(--lp-border); border-radius: 6px; padding: 1px 7px; color: #4338ca; }
.blog-prose pre { background: #0f172a; color: #dbe6f5; padding: 18px 20px; border-radius: 12px; overflow-x: auto; margin: 0 0 20px; }
.blog-prose pre code { background: none; border: 0; color: inherit; padding: 0; font-size: 13.5px; line-height: 1.7; }
.blog-prose img { max-width: 100%; border-radius: 12px; border: 1px solid var(--lp-border); }

/* placeholder figure (inline image slot, spec text until screenshot) */
.blog-figure { border: 1.5px dashed var(--lp-border); border-radius: 14px; background: var(--lp-bg-soft); padding: 28px 22px; margin: 24px 0; text-align: center; }
.blog-figure .fh { display: flex; align-items: center; justify-content: center; gap: 10px; color: var(--lp-blue-dark); font-weight: 700; font-size: 14px; }
.blog-figure .fh svg { width: 20px; height: 20px; flex: none; }
.blog-figure .spec { color: var(--lp-muted); font-size: 13.5px; margin: 10px 0 0; line-height: 1.65; max-width: 560px; margin-left: auto; margin-right: auto; }
.blog-figure .dims { display: inline-block; margin-top: 12px; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--lp-muted); background: #fff; border: 1px solid var(--lp-border); border-radius: 999px; padding: 4px 12px; }

/* uploaded inline image */
.blog-inline { margin: 24px 0; }
.blog-inline img { max-width: 100%; border-radius: 12px; border: 1px solid var(--lp-border); }
.blog-inline figcaption { font-size: 12.5px; color: var(--lp-muted); text-align: center; margin-top: 8px; }

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

/* ---- guides index ---- */
.guides-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.guide-card { border: 1px solid var(--lp-border); border-radius: 14px; padding: 24px; background: #fff; display: flex; flex-direction: column; }
.guide-card h3 { margin: 0 0 6px; font-size: 17px; font-weight: 700; letter-spacing: -0.01em; }
.guide-card .desc { color: var(--lp-muted); font-size: 13.5px; margin: 0 0 16px; line-height: 1.6; }
.guide-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.guide-card ul li a {
    display: flex; justify-content: space-between; align-items: center; gap: 10px;
    font-size: 14px; font-weight: 600; color: var(--lp-blue);
    padding: 9px 12px; border: 1px solid var(--lp-border); border-radius: 9px;
}
.guide-card ul li a:hover { background: var(--lp-blue-soft); border-color: #c7d2fe; text-decoration: none; }
.guide-card ul li a .rt { font-size: 12px; font-weight: 500; color: var(--lp-muted); white-space: nowrap; }
.guide-card .soon { color: var(--lp-muted); font-size: 13px; font-style: italic; margin-top: 16px; }
@media (max-width: 720px) { .guides-grid { grid-template-columns: 1fr; } }

/* ---- changelog ---- */
.changelog { max-width: 760px; margin: 0 auto; }
.changelog-item { position: relative; padding: 0 0 42px 40px; border-left: 1px solid var(--lp-border); margin-left: 6px; }
.changelog-item:last-child { padding-bottom: 4px; }
.changelog-item .dot { position: absolute; left: -7px; top: 6px; width: 13px; height: 13px; border-radius: 50%; background: var(--lp-blue); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--lp-border); }
.changelog-item .date { font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--lp-muted); }
.changelog-item h2 { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; margin: 6px 0 10px; }
.changelog-item .body { color: #334155; font-size: 15px; line-height: 1.75; }
.changelog-item .body p { margin: 0 0 12px; }
.changelog-item .body ul { padding-left: 20px; margin: 8px 0; }
.changelog-item .body li { margin-bottom: 6px; }

/* toc */
.blog-toc { position: sticky; top: 90px; }
.blog-toc h4 { font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--lp-muted); margin: 0 0 12px; }
.blog-toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--lp-border); }
.blog-toc li a { display: block; padding: 6px 0 6px 16px; font-size: 13.5px; color: var(--lp-muted); line-height: 1.45; border-left: 2px solid transparent; margin-left: -1px; }
.blog-toc li a:hover { color: var(--lp-blue-dark); text-decoration: none; }
.blog-toc li.l3 a { padding-left: 30px; font-size: 12.5px; }
.blog-toc .share { margin-top: 22px; }

/* author + share */
.blog-share { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 34px 0 8px; }
.blog-share .lbl { font-size: 13px; font-weight: 600; color: var(--lp-muted); }
.blog-share a {
    display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600;
    color: var(--lp-muted); border: 1px solid var(--lp-border); border-radius: 9px; padding: 7px 12px;
}
.blog-share a:hover { border-color: #cbd5e1; color: var(--lp-text); background: var(--lp-bg-soft); text-decoration: none; }

.blog-author {
    display: flex; align-items: center; gap: 16px; margin: 28px 0 0;
    border: 1px solid var(--lp-border); border-radius: 16px; padding: 22px 24px; background: #fff;
}
.blog-author .avatar {
    width: 52px; height: 52px; border-radius: 50%; flex: none;
    background: linear-gradient(135deg, #2563eb, #7c3aed); color: #fff;
    display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 20px;
}
.blog-author .who b { font-size: 15px; display: block; }
.blog-author .who span { font-size: 13px; color: var(--lp-muted); }

/* prev / next */
.blog-prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 34px 0 0; }
.blog-prevnext a { border: 1px solid var(--lp-border); border-radius: 14px; padding: 18px 20px; background: #fff; }
.blog-prevnext a:hover { border-color: #d3dce8; box-shadow: 0 6px 18px rgba(15,23,42,.06); text-decoration: none; }
.blog-prevnext a.next { text-align: right; }
.blog-prevnext .k { display: block; font-size: 11.5px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--lp-muted); margin-bottom: 6px; }
.blog-prevnext .t { font-size: 14.5px; font-weight: 700; color: var(--lp-text); }

.blog-related { margin-top: 48px; }
.blog-related h2 { font-size: 22px; letter-spacing: -0.02em; font-weight: 800; margin: 0 0 20px; }

@media (max-width: 900px) {
    .blog-layout { grid-template-columns: 1fr; }
    .blog-toc { position: static; margin-bottom: 24px; }
    .blog-article-head h1 { font-size: 30px; }
    .blog-prevnext { grid-template-columns: 1fr; }
}