/* Insights, the CryptoSites.io blog (5 Oct 2026). Pages are built by scripts/build_insights.mjs.
   Colours come from the site tokens in calm.css (--text, --muted, --dim, --panel, --line, --btc), so light and dark both work. */
.blog { padding: 40px 0 80px; }
.blog .wrap { max-width: 1160px; }
.blog h1, .blog h2, .blog h3 { font-family: "Chakra Petch", sans-serif; text-transform: uppercase; letter-spacing: .01em; }
.cat-tag { display: inline-block; padding: 4px 9px; font: 600 10.5px/1 "JetBrains Mono", monospace; letter-spacing: .12em; text-transform: uppercase;
  color: var(--btc); border: 1px solid color-mix(in srgb, var(--btc) 45%, transparent); background: color-mix(in srgb, var(--btc) 8%, transparent); }
.blog-meta { font: 12px "JetBrains Mono", monospace; color: var(--dim); }

/* ---------- front page ---------- */
.blog-hero { padding-top: 24px; padding-bottom: 34px; }
.blog-hero h1 { font-size: clamp(34px, 6vw, 64px); line-height: 1.02; margin: 14px 0 16px; max-width: 15ch; }
.blog-hero h1 em { font-style: normal; color: var(--btc); }
.blog-hero p { font-size: clamp(16px, 2vw, 19px); line-height: 1.6; color: var(--muted); max-width: 60ch; margin: 0 0 22px; }
.blog-hero-links { display: flex; flex-wrap: wrap; gap: 10px; }
.blog-hero-links svg { width: 15px; height: 15px; margin-right: 6px; vertical-align: -2px; }

.blog-feature { display: grid; grid-template-columns: 1.15fr 1fr; border: 1px solid var(--line-hi); background: var(--panel); color: inherit; text-decoration: none; overflow: hidden;
  transition: border-color .2s, transform .2s, box-shadow .2s; }
.blog-feature:hover { border-color: var(--btc); transform: translateY(-2px); box-shadow: 0 18px 40px -24px rgba(0,0,0,.45); }
.blog-feature-img { position: relative; min-height: 100%; overflow: hidden; background: var(--line); }
.blog-feature-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; }
.blog-feature:hover .blog-feature-img img { transform: scale(1.04); }
.blog-feature-in { padding: clamp(22px, 4vw, 44px); display: flex; flex-direction: column; justify-content: center; gap: 12px; }
.blog-feature-in h2 { font-size: clamp(24px, 3vw, 36px); line-height: 1.08; margin: 4px 0 0; }
.blog-feature-in p { font-size: 17px; line-height: 1.6; color: var(--muted); margin: 0; }
.blog-new { display: inline-block; margin-right: 8px; padding: 4px 9px; font: 700 10.5px/1 "JetBrains Mono", monospace; letter-spacing: .12em; text-transform: uppercase; background: var(--btc); color: #140a00; }
.blog-read { margin-top: 6px; font-weight: 700; color: var(--btc); }
.blog-read span { display: inline-block; transition: transform .2s; }
.blog-feature:hover .blog-read span { transform: translateX(4px); }

.blog-all { margin-top: 48px; }
.blog-tools { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.blog-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.blog-chips button { padding: 9px 14px; border: 1px solid var(--line-hi); background: var(--panel); color: var(--muted); font: 600 13px inherit; font-family: inherit; cursor: pointer; transition: border-color .15s, color .15s, background .15s; }
.blog-chips button small { margin-left: 4px; color: var(--dim); font: 11px "JetBrains Mono", monospace; }
.blog-chips button:hover { border-color: var(--btc); color: var(--text); }
.blog-chips button[aria-pressed="true"] { background: var(--text); border-color: var(--text); color: var(--panel); }
.blog-chips button[aria-pressed="true"] small { color: inherit; opacity: .7; }
.blog-search { position: relative; flex: 0 1 280px; }
.blog-search svg { position: absolute; left: 12px; top: 50%; width: 16px; height: 16px; transform: translateY(-50%); color: var(--dim); pointer-events: none; }
.blog-search input { width: 100%; padding: 10px 12px 10px 36px; border: 1px solid var(--line-hi); background: var(--panel); color: var(--text); font: inherit; font-size: 14px; }
.blog-search input:focus { outline: 2px solid var(--btc); outline-offset: -1px; }

.blog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.blog-card { display: flex; flex-direction: column; border: 1px solid var(--line-hi); background: var(--panel); color: inherit; text-decoration: none; overflow: hidden;
  transition: border-color .2s, transform .2s, box-shadow .2s; }
.blog-card:hover { border-color: var(--btc); transform: translateY(-3px); box-shadow: 0 16px 36px -24px rgba(0,0,0,.45); }
.blog-card-img { aspect-ratio: 16 / 9; overflow: hidden; background: var(--line); }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; }
.blog-card:hover .blog-card-img img { transform: scale(1.05); }
.blog-card-in { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.blog-card-in .cat-tag { align-self: flex-start; }
.blog-card h3 { font-size: 20px; line-height: 1.15; margin: 0; }
.blog-card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; flex: 1; }
.blog-grid.is-all .blog-card.is-lead { display: none; }       /* the latest article is already the big feature above */
.blog-empty { padding: 30px; text-align: center; color: var(--muted); border: 1px dashed var(--line-hi); }

.blog-sub { margin-top: 56px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; align-items: center; padding: clamp(24px, 4vw, 40px); border: 1px solid var(--line-hi);
  background: linear-gradient(135deg, color-mix(in srgb, var(--btc) 12%, var(--panel)), var(--panel) 60%); }
.blog-sub h2 { font-size: clamp(22px, 3vw, 30px); line-height: 1.1; margin: 8px 0 10px; }
.blog-sub p { margin: 0; color: var(--muted); line-height: 1.6; }
.blog-sub-btns { display: flex; flex-direction: column; gap: 10px; }
.blog-sub-btns .btn { justify-content: center; text-align: center; }

/* ---------- article ---------- */
.art-progress { position: fixed; left: 0; right: 0; top: 0; height: 3px; z-index: 200; pointer-events: none; }
.art-progress span { display: block; height: 100%; width: 0; background: var(--btc); transition: width .08s linear; }
.art-hero { max-width: 860px !important; padding-top: 8px; }
.art-crumbs { display: flex; gap: 8px; align-items: center; font: 12px "JetBrains Mono", monospace; color: var(--dim); margin-bottom: 18px; }
.art-crumbs a { color: var(--dim); text-decoration: none; }
.art-crumbs a:hover { color: var(--btc); }
.art-hero h1 { font-size: clamp(30px, 5.2vw, 54px); line-height: 1.04; margin: 14px 0 16px; }
.art-sub { font-size: clamp(17px, 2.2vw, 21px); line-height: 1.55; color: var(--muted); margin: 0 0 24px; }
.art-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.art-by { display: flex; align-items: center; gap: 10px; }
.art-by img { width: 34px; height: 34px; }
.art-by b { display: block; font-size: 14px; }
.art-by small { display: block; font-size: 12px; color: var(--dim); }
.art-when { font: 12.5px "JetBrains Mono", monospace; color: var(--dim); }
.art-share { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-left: auto; }
.art-share > span { font: 11px "JetBrains Mono", monospace; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); margin-right: 4px; }
.art-share a, .art-share button { position: relative; display: inline-grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line-hi); background: var(--panel); color: var(--text); cursor: pointer; transition: border-color .15s, color .15s; }
.art-share a:hover, .art-share button:hover { border-color: var(--btc); color: var(--btc); }
.art-share svg { width: 16px; height: 16px; }
.art-copied { position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%); white-space: nowrap; padding: 4px 8px; font: 11px "JetBrains Mono", monospace; background: var(--text); color: var(--panel); opacity: 0; pointer-events: none; transition: opacity .2s; }
.art-copied.on { opacity: 1; }

.art-cover { margin: 30px auto 0; max-width: 1160px; }
.art-cover img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; display: block; border: 1px solid var(--line); }

.art-layout { display: grid; grid-template-columns: 220px minmax(0, 720px); gap: 56px; justify-content: center; margin-top: 40px; }
.art-toc { position: sticky; top: 96px; align-self: start; font-size: 14px; }
.art-toc b { display: block; font: 600 11px "JetBrains Mono", monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); margin-bottom: 12px; }
.art-toc ol { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.art-toc a { display: block; padding: 7px 0 7px 14px; margin-left: -2px; border-left: 2px solid transparent; color: var(--muted); text-decoration: none; line-height: 1.35; transition: color .15s, border-color .15s; }
.art-toc a:hover { color: var(--text); }
.art-toc a[aria-current="true"] { color: var(--btc); border-left-color: var(--btc); font-weight: 600; }

.art-tldr { position: relative; padding: 20px 22px 20px 24px; margin: 0 0 34px; border: 1px solid var(--line-hi); border-left: 3px solid var(--btc); background: var(--panel); }
.art-tldr b { display: block; font: 700 11px "JetBrains Mono", monospace; letter-spacing: .14em; color: var(--btc); margin-bottom: 6px; }
.art-tldr p { margin: 0; font-size: 16.5px; line-height: 1.65; }
.art-body { font-size: 18px; line-height: 1.78; }
.art-body > p:first-child::first-letter { float: left; font: 700 64px/0.9 "Chakra Petch", sans-serif; color: var(--btc); padding: 6px 10px 0 0; }
.art-body h2 { font-size: clamp(22px, 2.6vw, 28px); line-height: 1.15; margin: 48px 0 14px; scroll-margin-top: 90px; }
.art-body h3 { font-size: 20px; margin: 30px 0 10px; }
.art-body p, .art-body ul, .art-body ol { margin: 0 0 20px; }
.art-body ul, .art-body ol { padding-left: 22px; }
.art-body li { margin-bottom: 9px; padding-left: 4px; }
.art-body li::marker { color: var(--btc); font-weight: 700; }
.art-body strong { color: var(--text); }
.art-body a { color: var(--btc); text-underline-offset: 3px; }
.art-body hr { border: 0; height: 1px; background: var(--line-hi); margin: 40px 0; }
.art-note { font-size: 14px !important; line-height: 1.6 !important; color: var(--dim); font-style: italic; }
.art-table { overflow-x: auto; margin: 4px 0 26px; border: 1px solid var(--line-hi); background: var(--panel); -webkit-overflow-scrolling: touch; }
.art-table table { width: 100%; border-collapse: collapse; font-size: 15px; }
.art-table th, .art-table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.art-table th { font: 600 11px "JetBrains Mono", monospace; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); background: color-mix(in srgb, var(--text) 4%, var(--panel)); }
.art-table tbody tr:last-child td { border-bottom: 0; }
.art-table tbody tr:hover td { background: color-mix(in srgb, var(--btc) 6%, transparent); }
.art-table td:nth-child(2) { font-family: "JetBrains Mono", monospace; font-weight: 600; }

.art-end { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); }
.art-end .art-share { margin-left: 0; order: 2; }
.art-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.art-tags span { padding: 4px 9px; font: 12px "JetBrains Mono", monospace; color: var(--dim); border: 1px solid var(--line); }
.art-cta { display: grid; grid-template-columns: 1fr auto; gap: 22px; align-items: center; margin-top: 36px; padding: clamp(22px, 3.5vw, 34px); border: 1px solid var(--line-hi);
  background: linear-gradient(135deg, color-mix(in srgb, var(--btc) 14%, var(--panel)), var(--panel) 65%); }
.art-cta h2 { font-size: 24px; line-height: 1.12; margin: 10px 0 8px; }
.art-cta p { margin: 0; color: var(--muted); line-height: 1.6; }
.art-cta-btns { display: flex; flex-direction: column; gap: 10px; }
.art-cta-btns .btn { justify-content: center; text-align: center; white-space: nowrap; }
.art-related { margin-top: 72px; }
.blog-row-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.blog-row-head h2 { font-size: 26px; margin: 0; }
.blog-row-head a { color: var(--btc); font-weight: 600; text-decoration: none; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .art-layout { grid-template-columns: minmax(0, 720px); gap: 0; }
  .art-toc { display: none; }
  .blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .blog-feature { grid-template-columns: 1fr; }
  .blog-feature-img { aspect-ratio: 16 / 9; }
  .blog-sub, .art-cta { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .blog { padding: 22px 0 56px; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-search { flex: 1 1 100%; }
  .blog-chips { flex-wrap: nowrap; overflow-x: auto; margin: 0 -16px; padding: 0 16px 4px; scrollbar-width: none; }
  .blog-chips::-webkit-scrollbar { display: none; }
  .blog-chips button { flex: none; }
  .art-body { font-size: 17px; line-height: 1.72; }
  .art-body > p:first-child::first-letter { font-size: 52px; }
  .art-cover { margin-top: 22px; }
  .art-cover img { border-left: 0; border-right: 0; }
  .art-share { margin-left: 0; }
  .art-meta { gap: 12px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .blog-card, .blog-feature, .blog-card-img img, .blog-feature-img img { transition: none !important; transform: none !important; }
}
.blog-feature-tags { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.blog-feature-tags .blog-new { margin-right: 0; }
.art-cta-btns .btn-ghost, .blog-sub-btns .btn-ghost, .blog-hero-links .btn-ghost { color: var(--text); border-color: var(--line-hi); }
.art-cta-btns .btn-ghost:hover, .blog-sub-btns .btn-ghost:hover, .blog-hero-links .btn-ghost:hover { border-color: var(--btc); color: var(--btc); }
.art-swipe { display: none; margin: -18px 0 22px !important; font: 11.5px "JetBrains Mono", monospace !important; color: var(--dim); text-align: right; }
@media (max-width: 700px) { .art-swipe { display: block; } }

/* ---------- front page v2 (5 Oct 2026): featured post as a full-width hero + fuller bottom ---------- */
.blog-home { padding-top: 0; }
.bh { position: relative; min-height: min(78vh, 700px); display: flex; align-items: flex-end; overflow: hidden; background: #0b0d12; isolation: isolate; }
.bh-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transform: scale(1.02); animation: bhZoom 18s ease-out both; }
@keyframes bhZoom { from { transform: scale(1.1); } to { transform: scale(1.02); } }
.bh-shade { position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(4,5,10,.25) 0%, rgba(4,5,10,.1) 35%, rgba(4,5,10,.72) 72%, rgba(4,5,10,.94) 100%),
              linear-gradient(90deg, rgba(4,5,10,.7) 0%, rgba(4,5,10,.2) 60%, transparent 100%); }
.bh-in { width: 100%; padding-top: 120px; padding-bottom: clamp(36px, 6vw, 72px); color: #fff; }
.bh-kicker { display: inline-flex; align-items: center; gap: 8px; font: 600 12px "JetBrains Mono", monospace; letter-spacing: .16em; text-transform: uppercase; color: #ffb04a; }
.bh-kicker::before { content: ""; width: 26px; height: 2px; background: #ff9416; }
.bh-tags { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 18px 0 14px; }
.cat-tag.on-dark { color: #ffb04a; border-color: rgba(255,148,22,.55); background: rgba(255,148,22,.12); }
.bh-meta { font: 12.5px "JetBrains Mono", monospace; color: rgba(255,255,255,.75); }
.bh h1 { font-size: clamp(34px, 6.2vw, 76px); line-height: 1.0; margin: 0 0 18px; max-width: 18ch; text-shadow: 0 2px 30px rgba(0,0,0,.35); }
.bh h1 a { color: #fff; text-decoration: none; background: linear-gradient(#ff9416, #ff9416) left bottom / 0 3px no-repeat; transition: background-size .35s ease; }
.bh h1 a:hover { background-size: 100% 3px; }
.bh p { font-size: clamp(16px, 2vw, 21px); line-height: 1.55; color: rgba(255,255,255,.86); max-width: 58ch; margin: 0 0 26px; }
.bh-actions { display: flex; flex-wrap: wrap; gap: 14px 22px; align-items: center; }
.bh-link { color: #fff; font-weight: 600; text-decoration: none; opacity: .85; }
.bh-link:hover { opacity: 1; color: #ffb04a; }
.blog-home .blog-intro { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px 48px; align-items: end; padding-top: clamp(40px, 6vw, 72px); padding-bottom: 8px; }
.blog-intro h2 { font-size: clamp(26px, 3.6vw, 42px); line-height: 1.06; margin: 10px 0 0; }
.blog-intro h2 em { font-style: normal; color: var(--btc); }
.blog-intro p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.6; }

.blog-topics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 28px; }
.blog-topic { text-align: left; display: flex; flex-direction: column; gap: 10px; padding: 20px; border: 1px solid var(--line-hi); background: var(--panel); color: var(--text); font: inherit; cursor: pointer; transition: border-color .2s, transform .2s; }
.blog-topic:hover { border-color: var(--btc); transform: translateY(-2px); }
.blog-topic .cat-tag { align-self: flex-start; }
.blog-topic b { font-size: 16px; line-height: 1.4; font-weight: 600; }
.blog-home .blog-all { margin-top: 56px; }
.blog-all .blog-row-head { margin-bottom: 14px; }

.blog-numbers { margin-top: 72px; }
.bn-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.bn { display: flex; flex-direction: column; gap: 6px; padding: 22px 20px; border: 1px solid var(--line-hi); background: var(--panel); color: inherit; text-decoration: none; position: relative; transition: border-color .2s; }
.bn::before { content: ""; position: absolute; left: -1px; top: -1px; width: 48px; height: 3px; background: var(--btc); }
.bn:hover { border-color: var(--btc); }
.bn b { font: 700 clamp(30px, 3.6vw, 42px)/1 "Chakra Petch", sans-serif; }
.bn b small { font: 600 14px "JetBrains Mono", monospace; color: var(--dim); margin-left: 4px; }
.bn span { font: 12px "JetBrains Mono", monospace; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }

.blog-tools-sec { margin-top: 72px; }
.bt-grid, .bl-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.bt, .bl { display: flex; flex-direction: column; gap: 10px; padding: 22px 20px; border: 1px solid var(--line-hi); background: var(--panel); color: inherit; text-decoration: none; transition: border-color .2s, transform .2s; }
.bt:hover, .bl:hover { border-color: var(--btc); transform: translateY(-2px); }
.bt-ico, .bl-ico { display: grid; place-items: center; width: 44px; height: 44px; color: var(--btc); border: 1px solid color-mix(in srgb, var(--btc) 40%, transparent); background: color-mix(in srgb, var(--btc) 8%, transparent); }
.bt-ico svg, .bl-ico svg { width: 22px; height: 22px; }
.bt b, .bl b { font-family: "Chakra Petch", sans-serif; text-transform: uppercase; font-size: 18px; }
.bt p, .bl p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.55; flex: 1; }
.bt-go { font-weight: 700; color: var(--btc); font-size: 14px; }

.blog-loop { margin-top: 72px; padding: clamp(26px, 4vw, 44px); border: 1px solid var(--line-hi);
  background: radial-gradient(120% 140% at 0% 0%, color-mix(in srgb, var(--btc) 16%, var(--panel)) 0%, var(--panel) 55%); }
.bl-head { max-width: 640px; margin-bottom: 24px; }
.bl-head h2 { font-size: clamp(24px, 3.2vw, 36px); line-height: 1.08; margin: 10px 0 10px; }
.bl-head p { margin: 0; color: var(--muted); }
.bl { background: color-mix(in srgb, var(--panel) 85%, transparent); }

.art-draft { position: sticky; top: 0; z-index: 150; padding: 10px 16px; text-align: center; font: 600 13px "JetBrains Mono", monospace; background: #ff9416; color: #140a00; }
.art-layout.no-toc { grid-template-columns: minmax(0, 720px); }
.art-layout.no-toc .art-toc { display: none; }

@media (max-width: 1100px) { .bt-grid, .bl-grid, .bn-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) { .blog-home .blog-intro { grid-template-columns: 1fr; } .blog-topics { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
  .bh { min-height: 560px; }
  .bh-in { padding-top: 90px; }
  .bt-grid, .bl-grid { grid-template-columns: 1fr; }
  .bn-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .bn { padding: 16px 14px; }
}
@media (prefers-reduced-motion: reduce) { .bh-img { animation: none; } .blog-topic, .bt, .bl { transition: none; } }

/* wider (5 Oct 2026): the blog uses up to 1440 px on big screens */
.blog .wrap { max-width: 1440px; }
.art-cover { max-width: 1440px; }
.art-hero { max-width: 960px !important; }
.art-layout { grid-template-columns: 240px minmax(0, 760px); gap: 72px; }
@media (min-width: 1500px) { .blog-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 1100px) { .art-layout { grid-template-columns: minmax(0, 760px); gap: 0; } }


/* ---------- front page header v3 (5 Oct 2026): the blog's own header + the latest post as a labelled "Featured article" card ---------- */
.bh { min-height: 0; display: block; align-items: initial; }
.bh-img { filter: blur(2px) saturate(.9); transform: scale(1.06); animation: none; }
.bh-shade { background: linear-gradient(100deg, rgba(4,5,10,.94) 0%, rgba(4,5,10,.86) 45%, rgba(4,5,10,.62) 100%), linear-gradient(180deg, transparent 60%, rgba(4,5,10,.6) 100%); }
.bh-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 520px); gap: clamp(28px, 5vw, 72px); align-items: center; padding-top: clamp(56px, 7vw, 96px); padding-bottom: clamp(56px, 7vw, 96px); color: #fff; }
.bh-copy h1 { font-size: clamp(36px, 5.4vw, 68px); line-height: 1.02; margin: 18px 0 18px; max-width: 14ch; color: #fff; }
.bh-copy h1 em { font-style: normal; color: #ff9416; }
.bh-copy > p { font-size: clamp(16px, 1.7vw, 19px); line-height: 1.6; color: rgba(255,255,255,.82); max-width: 52ch; margin: 0 0 28px; }
.bh-link { display: inline-flex; align-items: center; gap: 6px; }
.bh-link svg { width: 15px; height: 15px; }
.bh-topics { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 30px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.14); }
.bh-topics > span { font: 600 11px "JetBrains Mono", monospace; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.55); margin-right: 6px; }
.bh-topics button { padding: 8px 13px; border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.06); color: #fff; font: 600 13px inherit; font-family: inherit; cursor: pointer; transition: border-color .15s, background .15s; }
.bh-topics button:hover { border-color: #ff9416; background: rgba(255,148,22,.14); }

.bh-card { position: relative; display: block; background: var(--panel); color: var(--text); text-decoration: none; border: 1px solid var(--line-hi); border-top: 3px solid var(--btc);
  box-shadow: 0 30px 60px -28px rgba(0,0,0,.65); transition: transform .25s, box-shadow .25s; }
.bh-card:hover { transform: translateY(-4px); box-shadow: 0 38px 70px -28px rgba(0,0,0,.75); }
.bh-card-label { position: absolute; top: 14px; left: 14px; z-index: 2; padding: 6px 10px; font: 700 11px/1 "JetBrains Mono", monospace; letter-spacing: .14em; text-transform: uppercase; background: var(--btc); color: #140a00; }
.bh-card-img { aspect-ratio: 16 / 9; overflow: hidden; background: var(--line); }
.bh-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; }
.bh-card:hover .bh-card-img img { transform: scale(1.04); }
.bh-card-in { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; }
.bh-card-tags { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.bh-card h2 { font-size: clamp(21px, 2.2vw, 27px); line-height: 1.12; margin: 2px 0 0; }
.bh-card p { margin: 0; color: var(--muted); font-size: 15.5px; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.bh-card .blog-read span { display: inline-block; transition: transform .2s; }
.bh-card:hover .blog-read span { transform: translateX(4px); }
.blog-home .blog-topics { margin-top: 56px; }
@media (max-width: 980px) {
  .bh-grid { grid-template-columns: 1fr; }
  .bh-copy h1 { max-width: 18ch; }
}
@media (max-width: 640px) {
  .bh-grid { padding-top: 40px; padding-bottom: 40px; gap: 30px; }
  .bh-in { padding-top: 0; }
  .bh-card-in { padding: 18px; }
}
@media (max-width: 980px) { .bh-shade { background: linear-gradient(180deg, rgba(4,5,10,.9) 0%, rgba(4,5,10,.84) 60%, rgba(4,5,10,.95) 100%); } }
/* header backdrop: a fixed photo from inside a mining facility (5 Oct 2026) */
.bh-img { filter: saturate(.95); transform: scale(1.02); object-position: center 40%; }
.bh-shade { background: linear-gradient(100deg, rgba(4,5,10,.92) 0%, rgba(4,5,10,.78) 45%, rgba(4,5,10,.5) 100%), linear-gradient(180deg, transparent 55%, rgba(4,5,10,.7) 100%); }
@media (max-width: 980px) { .bh-shade { background: linear-gradient(180deg, rgba(4,5,10,.86) 0%, rgba(4,5,10,.8) 60%, rgba(4,5,10,.94) 100%); } }