/* ==========================================================================
   BLOG — index filter + article page prose (shared by blog.html & blog/*.html)
   ========================================================================== */

/* ---------- filter chips (index) ---------- */
.blog-filter{
  display:flex;gap:10px;flex-wrap:wrap;margin:0 0 42px;
}
.chip{
  font-family:var(--ff-mono);font-size:10px;letter-spacing:0.18em;text-transform:uppercase;
  color:var(--grey);border:1px solid var(--line);border-radius:999px;padding:9px 18px;
  background:transparent;cursor:pointer;transition:all .25s var(--ease);
}
.chip:hover{color:var(--gold);border-color:var(--line-gold);}
.chip.active{color:#141008;background:var(--gold);border-color:var(--gold);font-weight:600;}
.chip .c-n{opacity:.55;margin-left:6px;}
.blog-grid{transition:opacity .25s var(--ease);}
.blog-grid.filtering .mcard{display:none;}
.blog-grid.filtering .mcard.show{display:flex;}
.mcard.is-hidden{display:none !important;}

/* ---------- article hero ---------- */
.post-hero{padding:150px 0 66px;border-bottom:1px solid var(--line);position:relative;}
.post-hero .ph-kicker{
  font-family:var(--ff-mono);font-size:10.5px;letter-spacing:0.22em;text-transform:uppercase;
  color:var(--gold);display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px;
}
.post-hero .ph-kicker .sep{color:var(--grey);opacity:.6;}
.post-hero h1{
  font-family:var(--ff-display);font-weight:400;font-size:clamp(30px,4.6vw,52px);
  line-height:1.12;max-width:900px;
}
.post-hero h1 em{font-style:italic;font-weight:300;color:var(--gold);}
.post-hero .ph-meta{
  display:flex;gap:22px;flex-wrap:wrap;margin-top:26px;
  font-family:var(--ff-mono);font-size:10px;letter-spacing:0.18em;text-transform:uppercase;color:var(--grey);
}
.post-hero .ph-meta b{color:var(--ivory-dim);font-weight:500;}

/* ---------- cover plate ---------- */
.post-cover{max-width:920px;margin:56px auto 0;border:1px solid var(--line-gold);padding:10px;background:var(--charcoal);}
.post-cover img{width:100%;display:block;}
.post-cover figcaption{
  font-family:var(--ff-mono);font-size:9.5px;letter-spacing:0.2em;text-transform:uppercase;
  color:var(--grey);padding:12px 6px 2px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.post-cover figcaption i{font-style:normal;color:var(--gold-deep);}

/* ---------- prose ---------- */
.prose{max-width:760px;margin:0 auto;padding:70px 0 30px;}
.prose > *{margin:0 0 30px;}
.prose p{font-size:16.5px;line-height:1.9;color:var(--ivory-dim);}
.prose p:first-of-type{font-size:18.5px;line-height:1.8;color:var(--ivory);}
.prose p:first-of-type::first-letter{
  font-family:var(--ff-display);font-size:52px;line-height:.9;color:var(--gold);
  float:left;padding:6px 12px 0 0;
}
.prose h2{
  font-family:var(--ff-display);font-weight:400;font-size:clamp(24px,3vw,31px);line-height:1.25;
  color:var(--ivory);margin:58px 0 22px;padding-top:34px;border-top:1px solid var(--line);
}
.prose h3{
  font-family:var(--ff-display);font-weight:500;font-size:clamp(19px,2.3vw,23px);line-height:1.35;
  color:var(--ivory);margin:46px 0 18px;
}
.prose h4{
  font-family:var(--ff-display);font-weight:500;font-style:italic;font-size:19px;
  color:var(--gold-bright);margin:40px 0 16px;
}
.prose h5,.prose h6{
  font-family:var(--ff-mono);font-weight:600;font-size:10.5px;letter-spacing:0.2em;text-transform:uppercase;
  color:var(--gold);margin:36px 0 14px;display:flex;align-items:center;gap:12px;
}
.prose h5::before,.prose h6::before{content:'';width:22px;height:1px;background:var(--gold);display:inline-block;opacity:.7;}
.prose ul{margin:0 0 30px;display:flex;flex-direction:column;gap:12px;}
.prose li{
  position:relative;padding-left:28px;font-size:15.5px;line-height:1.75;color:var(--ivory-dim);
}
.prose li::before{
  content:'—';position:absolute;left:0;color:var(--gold);font-family:var(--ff-mono);font-size:12px;top:2px;
}
.prose blockquote{
  position:relative;margin:48px 0;padding:34px 40px;
  border-left:2px solid var(--gold);background:linear-gradient(to right,var(--gold-glow),transparent 65%);
}
.prose blockquote p{
  font-family:var(--ff-display);font-style:italic;font-weight:300;font-size:clamp(19px,2.4vw,24px);
  line-height:1.55;color:var(--ivory);
}
.prose figure{margin:44px 0;}
.prose figure img{width:100%;display:block;border:1px solid var(--line);}
.prose figcaption{
  font-family:var(--ff-mono);font-size:9.5px;letter-spacing:0.18em;text-transform:uppercase;
  color:var(--grey);padding-top:12px;
}
.prose .note{
  font-family:var(--ff-mono);font-size:11.5px;letter-spacing:0.06em;color:var(--grey);
  border:1px dashed var(--line-gold);padding:18px 22px;border-radius:4px;
}

/* youtube embed */
.yt{position:relative;aspect-ratio:16/9;border:1px solid var(--line-gold);background:#000;cursor:pointer;overflow:hidden;}
.yt img{width:100%;height:100%;object-fit:cover;display:block;opacity:.72;transition:opacity .3s var(--ease);}
.yt:hover img{opacity:.9;}
.yt .yt-play{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;
}
.yt .yt-play .ring{
  width:68px;height:68px;border:1px solid var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(10,9,8,0.55);transition:all .3s var(--ease);
}
.yt:hover .yt-play .ring{background:var(--gold);transform:scale(1.06);}
.yt .yt-play .tri{width:0;height:0;border-left:16px solid var(--gold);border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:5px;transition:border-color .3s var(--ease);}
.yt:hover .yt-play .tri{border-left-color:#141008;}
.yt .yt-play span{font-family:var(--ff-mono);font-size:9.5px;letter-spacing:0.22em;text-transform:uppercase;color:var(--ivory-dim);}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}

/* ---------- article footer ---------- */
.post-end{border-top:1px solid var(--line);margin-top:40px;}
.post-end .pe-inner{max-width:760px;margin:0 auto;padding:56px 0;}
.pe-sign{
  display:flex;align-items:center;gap:18px;padding:26px 30px;margin-bottom:44px;
  border:1px solid var(--line);background:var(--charcoal);
}
.pe-sign .sig-star{color:var(--gold);font-family:var(--ff-display);font-size:22px;line-height:1;}
.pe-sign .sig-who b{display:block;font-family:var(--ff-display);font-weight:500;font-size:17px;}
.pe-sign .sig-who span{font-family:var(--ff-mono);font-size:9.5px;letter-spacing:0.2em;text-transform:uppercase;color:var(--grey);}
.pe-sign .sig-eq{margin-left:auto;font-family:var(--ff-mono);font-size:10px;letter-spacing:0.18em;color:var(--gold-deep);white-space:nowrap;}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);}
.post-nav a{
  background:var(--black);padding:26px 28px;display:flex;flex-direction:column;gap:10px;
  transition:background .25s var(--ease);
}
.post-nav a:hover{background:var(--charcoal-2);}
.post-nav .pn-dir{font-family:var(--ff-mono);font-size:9.5px;letter-spacing:0.22em;text-transform:uppercase;color:var(--gold);}
.post-nav .pn-title{font-family:var(--ff-display);font-weight:500;font-size:16.5px;line-height:1.45;color:var(--ivory-dim);}
.post-nav a:hover .pn-title{color:var(--ivory);}
.post-nav .pn-next{align-items:flex-end;text-align:right;}
.post-nav .pn-empty{visibility:hidden;}
@media(max-width:640px){.post-nav{grid-template-columns:1fr;}.post-nav .pn-empty{display:none;}}

/* index hero stats */
.blog-stats{
  display:flex;gap:34px;flex-wrap:wrap;margin-top:30px;
  font-family:var(--ff-mono);font-size:10px;letter-spacing:0.18em;text-transform:uppercase;color:var(--grey);
}
.blog-stats b{color:var(--gold);font-weight:600;font-size:15px;display:block;letter-spacing:0.06em;margin-bottom:4px;}