/* Kantan Nenkin — blog listing grid for [kn_blog]. Tokens mirror kn-header-footer.css. */

.kn-blog{
  --color-ink:#15181b;
  --color-ink-2:#4c5459;
  --color-ink-3:#5f676c;
  --color-ink-4:#7d868c;
  --color-paper:#ffffff;
  --color-paper-2:#f5f3f0;
  --color-paper-3:#e9e5df;
  --color-accent:#d93d27;
  --color-accent-2:#b32f1c;
  --color-line:#ded9d3;
  --color-line-2:#c6bfb6;
  --color-dark:#101d35;
  --font-sans:"IBM Plex Sans","Noto Sans JP","Helvetica Neue",sans-serif;
  --font-mono:"IBM Plex Mono","Courier New",monospace;
  --ls-eyebrow:0.14em;
  --radius:2px;

  box-sizing:border-box;
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 40px;
  font-family:var(--font-sans);
  color:var(--color-ink);
}
.kn-blog *{box-sizing:border-box;}
.kn-blog a{text-decoration:none;color:inherit;}

/* ---------- grid ---------- */
.kn-post-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:48px 40px;
  margin:0;
  padding:0;
  list-style:none;
}

/* ---------- card ---------- */
.kn-post-card{
  display:flex;
  flex-direction:column;
  min-width:0;
}

.kn-post-thumb{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--color-paper-2);
  border:1px solid var(--color-line);
  border-radius:var(--radius);
}
.kn-post-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .45s ease;
}
.kn-post-card:hover .kn-post-thumb img{transform:scale(1.04);}

/* placeholder when a post has no featured image */
.kn-post-thumb--empty{
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--color-paper-2);
}
.kn-post-thumb--empty span{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:var(--ls-eyebrow);
  text-transform:uppercase;
  color:var(--color-ink-4);
}

/* ---------- date badge ---------- */
.kn-post-date{
  position:absolute;
  top:16px;
  left:16px;
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  min-width:56px;
  padding:8px 10px;
  background:var(--color-paper);
  border:2px solid var(--color-dark);
  border-radius:var(--radius);
  line-height:1;
}
.kn-post-date strong{
  font-size:22px;
  font-weight:700;
  color:var(--color-dark);
}
.kn-post-date span{
  margin-top:4px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--color-ink-3);
}

/* ---------- body ---------- */
.kn-post-body{padding-top:20px;}

.kn-post-cat{
  display:inline-block;
  margin-bottom:10px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:var(--ls-eyebrow);
  text-transform:uppercase;
  color:var(--color-accent);
}

.kn-post-title{
  margin:0 0 12px;
  font-size:19px;
  font-weight:700;
  line-height:1.3;
  color:var(--color-dark);
}
.kn-post-title a{transition:color .2s ease;}
.kn-post-card:hover .kn-post-title a{color:var(--color-accent);}

.kn-post-excerpt{
  margin:0;
  font-size:15px;
  line-height:1.6;
  color:var(--color-ink-2);
}

.kn-post-more{
  display:inline-block;
  margin-top:14px;
  padding-bottom:2px;
  font-size:14px;
  font-weight:600;
  color:var(--color-accent);
  border-bottom:2px solid transparent;
  transition:border-color .2s ease;
}
.kn-post-card:hover .kn-post-more{border-bottom-color:var(--color-accent);}

/* ---------- lead card (newest post) ---------- */
.kn-post-card--lead{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:48px;
  align-items:center;
  margin-bottom:64px;
  padding-bottom:64px;
  border-bottom:1px solid var(--color-line);
}
.kn-post-card--lead .kn-post-thumb{aspect-ratio:16/9;}
.kn-post-card--lead .kn-post-body{padding-top:0;}
.kn-post-card--lead .kn-post-title{font-size:34px;line-height:1.14;}
.kn-post-card--lead .kn-post-excerpt{font-size:16px;}

/* ---------- pagination ---------- */
.kn-post-pagination{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:64px;
  padding-top:32px;
  border-top:1px solid var(--color-line);
}
.kn-post-pagination .page-numbers{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  height:44px;
  padding:0 12px;
  font-size:15px;
  font-weight:600;
  color:var(--color-ink-2);
  border:1px solid var(--color-line-2);
  border-radius:var(--radius);
  transition:border-color .2s ease,color .2s ease;
}
.kn-post-pagination .page-numbers:hover{border-color:var(--color-dark);color:var(--color-dark);}
.kn-post-pagination .page-numbers.current{
  background:var(--color-dark);
  border-color:var(--color-dark);
  color:#fff;
}
.kn-post-pagination .page-numbers.dots{border-color:transparent;}

/* ---------- empty state ---------- */
.kn-blog-empty{
  padding:64px 0;
  font-size:16px;
  color:var(--color-ink-3);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .kn-post-grid{grid-template-columns:repeat(2,1fr);gap:40px 32px;}
  .kn-post-card--lead{grid-template-columns:1fr;gap:24px;margin-bottom:48px;padding-bottom:48px;}
  .kn-post-card--lead .kn-post-title{font-size:28px;}
}
@media (max-width:640px){
  .kn-blog{padding:0 20px;}
  .kn-post-grid{grid-template-columns:1fr;gap:40px;}
  .kn-post-card--lead .kn-post-title{font-size:24px;}
  .kn-post-date{top:12px;left:12px;min-width:50px;}
  .kn-post-date strong{font-size:19px;}
}