/* ---------- BLOG — list + article ---------- */
.blog-section { padding: 56px 0 40px; }
.blog-section.related { padding-top: 20px; }

/* category chips */
.blog-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 44px; }
.bchip {
  font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  padding: 9px 16px; border: 1px solid var(--line-strong); border-radius: 100px; color: var(--fg-dim);
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.bchip:hover { color: var(--fg); border-color: var(--accent); }
.bchip.on { color: #17100a; background: var(--grad); border-color: transparent; font-weight: 500; }
.blog-empty { padding: 90px 0; text-align: center; font-family: var(--mono); font-size: 13px; letter-spacing: .08em; color: var(--fg-faint); }

/* shared bits */
.post-img { position: relative; overflow: hidden; background: var(--bg-elev-2); aspect-ratio: 16/10; }
.post-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.post-img-empty {
  position: absolute; inset: 0; display: grid; place-items: center;
  background-image: repeating-linear-gradient(-45deg, var(--bg-elev-2), var(--bg-elev-2) 12px, var(--bg-elev) 12px, var(--bg-elev) 24px);
}
.post-img-empty span { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-faint); }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 0; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--fg-faint); }
.post-meta .dot-sep, .post-when .dot-sep { margin: 0 10px; color: var(--accent); }
.post-cat { color: var(--accent-text); }
a.post-cat:hover { text-decoration: underline; text-underline-offset: 3px; }
.post-title { font-family: "Jost", var(--sans); font-weight: 600; letter-spacing: -0.025em; line-height: 1.1; color: var(--fg); }
.post-excerpt { color: var(--fg-dim); line-height: 1.6; }

/* featured card */
.post-feature {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 0; margin-bottom: 28px; overflow: hidden;
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius-lg); position: relative;
  transition: border-color .4s var(--ease), transform .4s var(--ease), background .4s var(--ease);
}
.post-feature::after, .post-card::after { content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 100%; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); z-index: 2; }
.post-feature:hover, .post-card:hover { border-color: var(--line-strong); background: var(--bg-elev-2); transform: translateY(-4px); }
.post-feature:hover::after, .post-card:hover::after { transform: scaleX(1); }
.post-feature:hover .post-img img, .post-card:hover .post-img img { transform: scale(1.05); }
.post-feature .post-img { aspect-ratio: auto; min-height: 340px; }
.post-feature-body { padding: clamp(28px, 4vw, 52px); display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.post-feature .post-title { font-size: clamp(28px, 3.4vw, 44px); }
.post-feature .post-excerpt { font-size: 16.5px; max-width: 52ch; }
.post-more { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-text); margin-top: 6px; }

/* grid cards */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-card {
  display: flex; flex-direction: column; overflow: hidden; position: relative;
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .4s var(--ease), transform .4s var(--ease), background .4s var(--ease);
}
.post-card-body { padding: 24px 24px 28px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.post-card .post-title { font-size: 22px; }
.post-card .post-excerpt { font-size: 14.5px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* pager */
.pager { display: flex; align-items: center; justify-content: center; gap: 22px; margin-top: 56px; }
.pager-btn { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; padding: 12px 20px; border: 1px solid var(--line-strong); border-radius: 100px; color: var(--fg); transition: all .25s var(--ease); }
a.pager-btn:hover { border-color: var(--accent); color: var(--accent); }
.pager-btn.is-off { opacity: .35; }
.pager-info { font-family: var(--mono); font-size: 12px; color: var(--fg-faint); letter-spacing: .06em; }

/* ---------- article ---------- */
.post-head { padding: 160px 0 0; }
.back-link { display: inline-block; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--fg-dim); margin-bottom: 36px; transition: color .25s var(--ease); }
.back-link:hover { color: var(--accent); }
.post-meta-lg { font-size: 12px; margin-bottom: 22px; }
.post-h1 { font-family: "Jost", var(--sans); font-weight: 600; font-size: clamp(36px, 6vw, 76px); line-height: 1; letter-spacing: -0.035em; max-width: 20ch; }
.post-lede { margin-top: 28px; max-width: 60ch; font-size: clamp(18px, 2vw, 22px); line-height: 1.5; color: var(--fg-dim); }
.post-byline { display: flex; align-items: center; gap: 14px; margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--line); max-width: 760px; }
.post-avatar { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--grad); color: #17100a; font: 700 17px "Jost", var(--sans); }
.post-author { font-weight: 600; font-size: 15px; }
.post-when { font-family: var(--mono); font-size: 11.5px; letter-spacing: .05em; color: var(--fg-faint); margin-top: 3px; }
.post-cover { margin: 48px 0 0; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 16/9; background: var(--bg-elev-2); }
.post-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }

.post-body { max-width: 720px; margin: 64px 0 0; font-size: 18px; line-height: 1.75; color: var(--fg-dim); }
.post-body > * + * { margin-top: 1.3em; }
.post-body h2 { font-family: "Jost", var(--sans); font-weight: 600; font-size: clamp(26px, 3vw, 34px); line-height: 1.12; letter-spacing: -0.025em; color: var(--fg); margin-top: 2.1em; }
.post-body h3 { font-family: "Jost", var(--sans); font-weight: 600; font-size: 24px; letter-spacing: -0.02em; color: var(--fg); margin-top: 1.8em; }
.post-body strong { color: var(--fg); font-weight: 600; }
.post-body a { color: var(--accent-text); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line-strong); transition: text-decoration-color .2s; }
.post-body a:hover { text-decoration-color: var(--accent); }
.post-body ul, .post-body ol { padding-left: 1.4em; }
.post-body li + li { margin-top: .5em; }
.post-body li::marker { color: var(--accent); }
.post-body blockquote { border-left: 3px solid var(--accent); padding: 4px 0 4px 24px; font-family: "Jost", var(--sans); font-size: 24px; line-height: 1.35; letter-spacing: -0.015em; color: var(--fg); }
.post-body blockquote p + p { margin-top: .8em; }
.post-body code { font-family: var(--mono); font-size: .86em; background: var(--bg-elev-2); border: 1px solid var(--line); border-radius: 6px; padding: 2px 7px; color: var(--fg); }
.post-body pre { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 20px 22px; overflow-x: auto; font-size: 14.5px; line-height: 1.6; }
.post-body pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.post-body img { max-width: 100%; height: auto; border-radius: var(--radius-sm); border: 1px solid var(--line); }
.post-body hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.post-body table { width: 100%; border-collapse: collapse; font-size: 16px; }
.post-body th, .post-body td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.post-body th { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--fg-dim); }

.post-tags { display: flex; flex-wrap: wrap; gap: 8px; max-width: 720px; margin-top: 48px; }
.post-tag { font-family: var(--mono); font-size: 11.5px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 100px; color: var(--fg-dim); }
.post-share { display: flex; align-items: center; gap: 14px; max-width: 720px; margin: 36px 0 80px; padding-top: 28px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
.post-share span { color: var(--fg-faint); }
.post-share a { color: var(--fg-dim); padding: 7px 14px; border: 1px solid var(--line-strong); border-radius: 100px; transition: all .25s var(--ease); }
.post-share a:hover { color: var(--accent); border-color: var(--accent); }

@media (max-width: 1000px) { .post-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) {
  .post-feature { grid-template-columns: 1fr; }
  .post-feature .post-img { aspect-ratio: 16/10; min-height: 0; }
  .post-head { padding-top: 130px; }
}
@media (max-width: 640px) {
  .post-grid { grid-template-columns: 1fr; }
  .post-body { font-size: 17px; }
  .post-share { flex-wrap: wrap; }
}

/* ---------- comments ---------- */
.comments { padding-top: 0; }
.comments-inner { max-width: 720px; border-top: 1px solid var(--line); padding-top: 56px; }
.comments-title { font-family: "Jost", var(--sans); font-weight: 600; font-size: clamp(28px, 3.4vw, 38px); letter-spacing: -0.03em; display: flex; align-items: baseline; gap: 12px; margin-bottom: 28px; }
.comments-title span { font-family: var(--mono); font-size: 13px; letter-spacing: .06em; color: var(--fg-faint); font-weight: 400; }
.comment { display: flex; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.comment-avatar { width: 40px; height: 40px; border-radius: 50%; flex: none; display: grid; place-items: center; background: var(--accent-soft); border: 1px solid var(--line-strong); color: var(--accent-text); font: 600 16px "Jost", var(--sans); }
.comment-main { min-width: 0; flex: 1; }
.comment-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin-bottom: 8px; }
.comment-head strong { font-size: 15px; }
.comment-head time { font-family: var(--mono); font-size: 11.5px; letter-spacing: .05em; color: var(--fg-faint); }
.comment-body { color: var(--fg-dim); line-height: 1.7; font-size: 16px; overflow-wrap: anywhere; }
.comment-empty { color: var(--fg-faint); font-family: var(--mono); font-size: 13px; letter-spacing: .04em; padding: 6px 0 14px; }
.comment-note { margin: 0 0 24px; padding: 14px 18px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); font-size: 15px; background: var(--bg-elev); }
.comment-note.ok { border-color: var(--accent); background: var(--accent-soft); }
.comment-form { margin-top: 44px; padding: clamp(22px, 3vw, 34px); background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.comment-form h3 { font-family: "Jost", var(--sans); font-weight: 600; font-size: 24px; letter-spacing: -0.025em; margin-bottom: 20px; }
.comment-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.comment-form .field { margin-bottom: 18px; }
.comment-form label { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-dim); margin-bottom: 8px; }
.comment-form label span { color: var(--accent); }
.comment-form input:not(.hp input), .comment-form textarea { width: 100%; padding: 13px 16px; font: 400 15.5px var(--sans); color: var(--fg); background: var(--bg); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); transition: border-color .25s var(--ease), box-shadow .25s var(--ease); }
.comment-form textarea { resize: vertical; min-height: 130px; line-height: 1.6; }
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.comment-form .btn { margin-top: 6px; }
.comment-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.field-hint { margin-top: 8px; font-size: 12.5px; color: var(--fg-faint); }
.field-err { margin-top: 8px; font-size: 13px; color: #ff8a7a; }
[data-theme="light"] .field-err { color: #b3261e; }
@media (max-width: 640px) { .comment-grid { grid-template-columns: 1fr; } }