/*
Theme Name:   Astra Child - Bo2bot Blog
Template:     astra
Version:      1.0
Description:  Agentic AI blog theme for Bo2bot — message-packet cards, network-map footer.
*/

/* ============ TOKENS ============ */
:root{
  --ink:       #0C1222;
  --paper:     #FFFFFF;
  --surface:   #F1F4F6;
  --line:      #DDE3EA;
  --text:      #1B2333;
  --muted:     #5B6472;
  --signal:    #17C3A2;   /* "online" teal */
  --link:      #5B6EF5;   /* indigo, second agent */
  --radius:    10px;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --head: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
body.bo2bot-blog{
  background: var(--paper);
  color: var(--text);
  font-family: var(--body);
  line-height: 1.6;
  margin:0;
}
.bo2bot-container{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
a{ color: var(--link); text-decoration:none; }
a:hover{ text-decoration: underline; }
h1,h2,h3,h4{ font-family: var(--head); color: var(--ink); margin:0 0 .4em; line-height:1.15; }
.mono{ font-family: var(--mono); }

/* dotted background utility, used sparingly (footer + AI-to-AI panel only) */
.dot-field{
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size: 18px 18px;
}

/* ============ HEADER ============ */
.site-header{
  background: var(--ink);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header__bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 16px 0;
}
.site-header__logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-family: var(--head);
  font-weight:700;
  font-size:1.25rem;
  color:#fff;
}
.site-header__logo svg{ display:block; }
.site-header__nav{
  display:flex;
  align-items:center;
  gap:28px;
}
.site-header__nav a{
  color: rgba(255,255,255,.78);
  font-size:.95rem;
}
.site-header__nav a:hover{ color:#fff; text-decoration:none; }
.site-header__nav a.is-active{ color:#fff; }
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-family: var(--mono);
  font-size:.78rem;
  color: rgba(255,255,255,.75);
  border:1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  padding: 6px 12px;
}
.status-pill__dot{
  width:7px; height:7px; border-radius:50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(23,195,162,.18);
}
.site-header__cta{
  background: var(--signal);
  color: var(--ink);
  font-weight:600;
  font-size:.88rem;
  padding: 9px 18px;
  border-radius: 8px;
}
.site-header__cta:hover{ background:#14b092; text-decoration:none; }
.menu-toggle{ display:none; }

@media (max-width: 860px){
  .site-header__nav{
    position:absolute; top:100%; left:0; right:0;
    background: var(--ink);
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding: 0 24px;
    max-height:0; overflow:hidden;
    transition: max-height .25s ease;
  }
  .site-header__nav.is-open{ max-height:400px; padding:12px 24px 20px; }
  .site-header__nav a{ padding:10px 0; width:100%; border-bottom:1px solid rgba(255,255,255,.08); }
  .menu-toggle{
    display:block; background:none; border:1px solid rgba(255,255,255,.25);
    color:#fff; border-radius:6px; padding:6px 10px; font-size:1rem;
  }
  .status-pill{ display:none; }
}

/* ============ BLOG HERO ============ */
.blog-hero{
  padding: 72px 0 40px;
  border-bottom: 1px solid var(--line);
}
.blog-hero h1{
  font-size: clamp(2.1rem, 4vw, 3rem);
  max-width: 14ch;
}
.blog-hero p{
  color: var(--muted);
  max-width: 56ch;
  font-size: 1.08rem;
}

/* ============ CATEGORY FILTER (real WP terms) ============ */
.category-rail{
  display:flex;
  align-items:center;
  gap:0;
  overflow-x:auto;
  padding: 18px 0 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}
.category-rail a{
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--muted);
  white-space:nowrap;
  padding: 8px 16px;
  border-right:1px solid var(--line);
}
.category-rail a:first-child{ padding-left:0; }
.category-rail a:hover,
.category-rail a.is-active{
  color: var(--ink);
  text-decoration:none;
}
.category-rail a.is-active{ font-weight:600; }
.category-rail a .count{ color: var(--muted); }

/* ============ FEATURED POST ============ */
.featured-post{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 44px;
  align-items:center;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 56px;
}
.featured-post__meta{
  font-family: var(--mono);
  font-size:.78rem;
  color: var(--signal);
  display:flex; align-items:center; gap:8px;
  margin-bottom: 14px;
}
.featured-post h2{ font-size: 2rem; margin-bottom:16px; }
.featured-post p.excerpt{ color: var(--muted); margin-bottom:20px; }
.featured-post .byline{ font-family: var(--mono); font-size:.82rem; color:var(--muted); }
.featured-post__art{
  background: var(--surface);
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.featured-post__art img{ width:100%; height:100%; object-fit:cover; }

@media (max-width: 860px){
  .featured-post{ grid-template-columns:1fr; }
  .featured-post__art{ order:-1; }
}

/* ============ POST GRID — "message packet" cards ============ */
.post-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 64px;
}
@media (max-width: 980px){ .post-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px){ .post-grid{ grid-template-columns: 1fr; } }

.packet-card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow:hidden;
  background: var(--paper);
  display:flex;
  flex-direction:column;
  transition: border-color .2s ease, transform .2s ease;
}
.packet-card:hover{ border-color: var(--ink); transform: translateY(-3px); }
.packet-card__strip{
  display:flex; align-items:center; justify-content:space-between;
  font-family: var(--mono);
  font-size:.72rem;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom:1px solid var(--line);
  color: var(--muted);
}
.packet-card__strip .cat{ color: var(--link); }
.packet-card__strip .dot{
  width:6px; height:6px; border-radius:50%; background: var(--signal);
  display:inline-block; margin-right:6px;
}
.packet-card__body{ padding: 20px 18px 22px; flex:1; display:flex; flex-direction:column; }
.packet-card h3{ font-size: 1.12rem; margin-bottom: 10px; }
.packet-card p{ color: var(--muted); font-size:.92rem; margin:0 0 16px; flex:1; }
.packet-card__foot{
  display:flex; align-items:center; justify-content:space-between;
  font-family: var(--mono); font-size:.75rem; color: var(--muted);
  padding-top: 14px; border-top: 1px dashed var(--line);
}
.packet-card__foot a{ color: var(--ink); font-weight:600; }
.packet-card__foot a:hover{ color: var(--link); }

/* pagination */
.blog-pagination{
  display:flex; justify-content:center; gap:8px; margin: 20px 0 72px;
  font-family: var(--mono); font-size:.85rem;
}
.blog-pagination a, .blog-pagination span{
  border:1px solid var(--line); border-radius:6px; padding:8px 13px; color: var(--text);
}
.blog-pagination .current{ background: var(--ink); color:#fff; border-color: var(--ink); }

/* ============ AI-TO-AI PANEL (before footer) ============ */
.agent-contact{
  background: var(--surface);
  border-radius: 16px;
  padding: 56px;
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items:center;
  margin: 20px 0 60px;
}
.agent-contact__badge{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--mono); font-size:.78rem;
  color: var(--ink);
  background:#fff; border:1px solid var(--line);
  border-radius:999px; padding:6px 14px; margin-bottom:18px;
}
.agent-contact h2{ font-size:1.7rem; margin-bottom:12px; }
.agent-contact p{ color: var(--muted); max-width:46ch; }
.agent-contact__card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  padding: 26px;
}
.agent-contact__row{
  display:flex; align-items:center; justify-content:space-between;
  font-family: var(--mono); font-size:.9rem;
  border:1px solid var(--line); border-radius:8px; padding: 12px 14px;
  margin-bottom:14px;
}
.agent-contact__row .handle{ color: var(--link); font-weight:600; }
.agent-contact__note{ font-size:.82rem; color: var(--muted); font-style:italic; }

@media (max-width: 860px){ .agent-contact{ grid-template-columns:1fr; padding:36px 24px; } }

/* ============ FOOTER (network-map layout, distinct from header) ============ */
.site-footer{
  background: var(--ink);
  color: rgba(255,255,255,.7);
  padding: 64px 0 0;
}
.site-footer__grid{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.site-footer__brand{ font-family: var(--head); font-weight:700; color:#fff; font-size:1.2rem; margin-bottom:12px; }
.site-footer__tagline{ font-size:.92rem; max-width:32ch; }
.site-footer h4{
  color: rgba(255,255,255,.5);
  font-family: var(--mono);
  font-size:.75rem;
  font-weight:500;
  margin-bottom:16px;
}
.site-footer ul{ list-style:none; margin:0; padding:0; }
.site-footer li{ margin-bottom:10px; }
.site-footer a{ color: rgba(255,255,255,.75); font-size:.9rem; }
.site-footer a:hover{ color:#fff; text-decoration:none; }
.site-footer__bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding: 22px 0; font-size:.8rem; font-family: var(--mono); color: rgba(255,255,255,.45);
  flex-wrap:wrap; gap:10px;
}

@media (max-width: 860px){
  .site-footer__grid{ grid-template-columns: 1fr 1fr; }
}

/* ============ SINGLE POST ============ */
.single-post__hero{
  padding: 60px 0 40px;
  border-bottom:1px solid var(--line);
}
.single-post__meta{
  font-family: var(--mono); font-size:.8rem; color: var(--link);
  display:flex; gap:14px; align-items:center; margin-bottom:16px;
}
.single-post__hero h1{ font-size: clamp(1.9rem, 4vw, 2.6rem); max-width: 22ch; }
.single-post__byline{ font-family: var(--mono); font-size:.85rem; color: var(--muted); margin-top:18px; }
.single-post__cover{
  margin: 40px 0; border-radius: var(--radius); overflow:hidden; background: var(--surface); aspect-ratio: 16/8;
}
.single-post__cover img{ width:100%; height:100%; object-fit:cover; }
.single-post__content{
  max-width: 70ch; margin: 0 auto; font-size: 1.06rem; color: var(--text);
}
.single-post__content p{ margin: 0 0 1.3em; }
.single-post__content h2{ margin-top: 1.6em; font-size:1.5rem; }
.single-post__content h3{ margin-top: 1.4em; font-size:1.2rem; }
.single-post__content blockquote{
  border-left: 3px solid var(--signal); margin: 1.6em 0; padding: 4px 0 4px 20px; color: var(--muted); font-style: italic;
}
.single-post__content pre{
  background: var(--ink); color:#e7eaf0; padding:18px; border-radius:8px; overflow:auto; font-family: var(--mono); font-size:.88rem;
}
.single-post__tags{ display:flex; gap:8px; margin: 40px auto 0; max-width:70ch; flex-wrap:wrap; }
.single-post__tags a{
  font-family: var(--mono); font-size:.78rem; border:1px solid var(--line); border-radius:999px; padding:5px 12px; color: var(--muted);
}
.related-posts{ margin-top: 70px; }
.related-posts h3{ font-size:1.1rem; margin-bottom:22px; }

/* ============ CATEGORY ARCHIVE ============ */
.archive-hero{
  padding: 56px 0 36px; border-bottom:1px solid var(--line);
}
.archive-hero .eyebrow{
  font-family: var(--mono); font-size:.78rem; color: var(--signal); margin-bottom:10px; display:block;
}
.archive-hero h1{ font-size: clamp(1.8rem,3.4vw,2.4rem); }
.archive-hero p{ color: var(--muted); max-width: 56ch; }