/* Blog index, post pages and the subscribe box. Pages are generated by
   tools/build-blog.js; colours and fonts come from shared/tokens.css. */

.blog-wrap { max-width: 900px; margin: 0 auto; padding: 0 20px 90px; }
.post-wrap { max-width: 720px; margin: 0 auto; padding: 36px 20px 90px; }

/* ---------- index ---------- */
.blog-hero { padding: 48px 0 26px; }
.eyebrow { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); margin: 0 0 12px; }
.blog-hero h1 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.9rem, 4.5vw, 2.6rem); line-height: 1.15; margin: 0 0 12px; max-width: 22ch; }
.blog-hero p.sub { font-size: 0.98rem; color: var(--ink-2); max-width: 60ch; margin: 0 0 18px; line-height: 1.55; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.btn { display: inline-block; font: inherit; font-size: 0.88rem; font-weight: 700; padding: 10px 18px; border-radius: 6px; text-decoration: none; cursor: pointer; border: 1px solid transparent; }
.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { background: transparent; color: var(--accent-ink); border-color: var(--accent); }
.btn:disabled { opacity: 0.6; cursor: default; }

.topic-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0 22px; }
.topic-tabs a { font-size: 0.8rem; font-weight: 600; padding: 6px 14px; border-radius: 20px; background: var(--surface-2); border: 1px solid var(--border); color: var(--ink-2); text-decoration: none; }
.topic-tabs a.active { background: var(--accent-soft); color: var(--accent-ink); border-color: transparent; }

.featured { display: block; background: var(--surface); border: 1px solid var(--border-strong); border-radius: 12px; padding: 26px 26px 22px; margin: 0 0 18px; text-decoration: none; color: inherit; box-shadow: var(--shadow); }
.featured .post-title { font-size: clamp(1.35rem, 3vw, 1.7rem); }
.featured:hover { border-color: var(--accent); }

.post-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 0 0 44px; }
@media (max-width: 680px) { .post-grid { grid-template-columns: 1fr; } }
.post-card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 20px 22px; text-decoration: none; color: inherit; }
.post-card:hover { border-color: var(--border-strong); }
.post-card[hidden] { display: none; }
.post-topic { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent-ink); font-weight: 700; margin: 0 0 8px; }
.post-title { font-family: var(--font-display); font-weight: 400; font-size: 1.18rem; line-height: 1.3; margin: 0 0 8px; }
.post-dek { font-size: 0.87rem; color: var(--ink-2); margin: 0 0 12px; line-height: 1.5; }
.post-meta { font-size: 0.76rem; color: var(--ink-3); margin: auto 0 0; }

/* ---------- post ---------- */
.back-link { display: inline-block; margin-bottom: 22px; font-size: 0.85rem; color: var(--ink-2); text-decoration: none; }
.post-head .post-title { font-size: clamp(1.7rem, 4vw, 2.3rem); line-height: 1.2; margin: 0 0 12px; }
.post-head .post-dek { font-size: 1.02rem; line-height: 1.55; }
.post-head .post-meta { margin: 0 0 30px; font-size: 0.8rem; }

.post-body { font-size: 0.97rem; color: var(--ink); line-height: 1.75; overflow-wrap: break-word; }
.post-body p { margin: 0 0 18px; }
.post-body h2 { font-family: var(--font-display); font-weight: 400; font-size: 1.38rem; line-height: 1.3; margin: 40px 0 12px; }
.post-body h3 { font-size: 1rem; margin: 26px 0 8px; }
.post-body ul, .post-body ol { margin: 0 0 18px; padding-left: 22px; }
.post-body li { margin-bottom: 6px; }
.post-body a { color: var(--accent-ink); }
.post-body code { font-family: var(--font-mono); font-size: 0.85em; background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }
.post-body .answer { font-size: 1rem; background: var(--surface); border-left: 3px solid var(--accent); padding: 12px 16px; border-radius: 0 6px 6px 0; }
.post-body .tldr { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 18px 22px; margin: 0 0 32px; }
.post-body .tldr h2 { font-family: var(--font-body); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); margin: 0 0 10px; }
.post-body .tldr ul { margin: 0; padding-left: 20px; font-size: 0.93rem; line-height: 1.6; }
.post-body .table-scroll { overflow-x: auto; margin: 0 0 22px; border: 1px solid var(--border); border-radius: 8px; }
.post-body table { border-collapse: collapse; width: 100%; font-size: 0.85rem; line-height: 1.5; min-width: 560px; }
.post-body th, .post-body td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.post-body th { background: var(--surface-2); font-weight: 700; color: var(--ink-2); font-size: 0.78rem; }
.post-body tr:last-child td { border-bottom: none; }
.post-body figure { margin: 8px 0 26px; }
.post-body figure svg { width: 100%; height: auto; display: block; }
.post-body figcaption { font-size: 0.8rem; color: var(--ink-3); margin-top: 8px; }
.post-body .cta-panel { background: var(--accent-soft); border-radius: 10px; padding: 20px 22px; margin: 36px 0 0; }
.post-body .cta-panel p { margin: 0 0 10px; }
.post-body .cta-panel a.btn { background: var(--accent); color: var(--bg); margin: 4px 8px 0 0; }

.sources { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); font-size: 0.82rem; color: var(--ink-3); }
.sources h2 { font-family: var(--font-body); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.05em; margin: 0 0 8px; }
.sources ul { padding-left: 20px; margin: 0; }
.sources li { margin-bottom: 4px; }
.sources a { color: var(--accent-ink); }

.related { margin-top: 40px; }
.related h2 { font-family: var(--font-display); font-weight: 400; font-size: 1.2rem; margin: 0 0 14px; }
.related .post-grid { margin: 0; }

/* ---------- subscribe ---------- */
.subscribe { background: var(--surface); border: 1px solid var(--border-strong); border-radius: 12px; padding: 28px 26px; margin: 44px 0 0; box-shadow: var(--shadow); }
.subscribe h2 { font-family: var(--font-display); font-weight: 400; font-size: 1.45rem; line-height: 1.25; margin: 0 0 8px; }
.subscribe .sub-lede { font-size: 0.92rem; color: var(--ink-2); margin: 0 0 6px; max-width: 58ch; line-height: 1.55; }
.subscribe .sub-perks { font-size: 0.86rem; color: var(--ink-2); margin: 10px 0 20px; padding-left: 20px; line-height: 1.6; }
.sub-form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 14px; }
@media (max-width: 560px) { .sub-form { grid-template-columns: 1fr; } .subscribe { padding: 22px 18px; } }
.sub-form .full { grid-column: 1 / -1; }
.sub-form label.field { display: flex; flex-direction: column; gap: 5px; font-size: 0.8rem; font-weight: 600; color: var(--ink-2); }
.sub-form label.field span.opt { font-weight: 400; color: var(--ink-3); }
.sub-form input[type="text"], .sub-form input[type="email"] { width: 100%; box-sizing: border-box; font: inherit; font-size: 0.92rem; padding: 10px 12px; border-radius: 6px; border: 1px solid var(--border-strong); background: var(--bg); color: var(--ink); }
.sub-form input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.sub-form fieldset { border: none; margin: 0; padding: 0; }
.sub-form legend { font-size: 0.8rem; font-weight: 600; color: var(--ink-2); margin: 0 0 8px; padding: 0; }
.sub-interests { display: flex; flex-wrap: wrap; gap: 8px; }
.sub-interests label { display: inline-flex; align-items: center; gap: 7px; font-size: 0.84rem; padding: 7px 12px; border: 1px solid var(--border); border-radius: 20px; background: var(--surface-2); cursor: pointer; color: var(--ink); }
.sub-interests input { accent-color: var(--accent); margin: 0; }
.sub-consent { display: flex; gap: 10px; align-items: flex-start; font-size: 0.84rem; color: var(--ink-2); line-height: 1.5; }
.sub-consent input { accent-color: var(--accent); margin: 3px 0 0; flex: none; }
.sub-privacy { font-size: 0.76rem; color: var(--ink-3); margin: 0; }
.sub-privacy a { color: inherit; }
.sub-status { font-size: 0.86rem; min-height: 1.3em; margin: 0; }
.sub-status.error { color: var(--critical-ink); }
.sub-status.ok { color: var(--good-ink); font-weight: 600; }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- advertise (index only) ---------- */
.advertise-panel { background: var(--surface); border: 1px dashed var(--border-strong); border-radius: 10px; padding: 24px; margin-top: 36px; }
.advertise-panel h2 { font-family: var(--font-display); font-weight: 400; font-size: 1.1rem; margin: 0 0 8px; }
.advertise-panel p { font-size: 0.86rem; color: var(--ink-2); margin: 0 0 16px; max-width: 60ch; }
.advertise-form { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.advertise-form .full { grid-column: 1 / -1; }
@media (max-width: 560px) { .advertise-form { grid-template-columns: 1fr; } }
.advertise-form input, .advertise-form textarea { width: 100%; box-sizing: border-box; font: inherit; font-size: 0.88rem; padding: 9px 11px; border-radius: 5px; border: 1px solid var(--border-strong); background: var(--bg); color: var(--ink); }
.advertise-form textarea { resize: vertical; min-height: 70px; }
.advertise-form button { grid-column: 1 / -1; justify-self: start; }
#adStatus { grid-column: 1 / -1; font-size: 0.82rem; }
#adStatus.error { color: var(--critical-ink); }
#adStatus.ok { color: var(--good-ink); }