/* AgentBrain — Blog styles (overview cards, article layout, home preview) */

/* —— Post cards —— */
.blog-list { display: flex; flex-direction: column; gap: 18px; }

.post-card .pc-img {
  display: block;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--hair);
  margin-bottom: 16px;
  aspect-ratio: 16 / 8;
}
.post-card .pc-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.post-card .pc-body { display: block; min-width: 0; }

.post-card {
  display: block;
  padding: 26px 28px;
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: 14px;
  text-decoration: none;
  color: var(--ink);
  position: relative;
  overflow: hidden;
  transition: border-color var(--t-fast) ease, transform var(--t-move) cubic-bezier(0.2, 0.7, 0.2, 1), box-shadow var(--t-move) ease;
}
.post-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.post-card:hover {
  border-color: var(--hair-strong);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -18px rgba(10,10,12,0.25);
}
.post-card:hover::before { transform: scaleX(1); }

.post-card .pc-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.3px;
  color: var(--soft);
  margin-bottom: 12px;
}
.post-card .pc-tag {
  color: var(--blue);
  background: rgba(79,100,255,0.08);
  border: 1px solid rgba(79,100,255,0.18);
  border-radius: 100px;
  padding: 2px 9px;
  font-size: 10.5px;
  font-weight: 500;
}
.post-card h3 {
  font-family: var(--display);
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 8px;
  text-wrap: balance;
}
.post-card.featured h3 { font-size: clamp(24px, 3vw, 30px); }
.post-card .pc-excerpt {
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 640px;
  text-wrap: pretty;
  margin-bottom: 14px;
}
.post-card .pc-read {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--blue);
  letter-spacing: 0.2px;
}
.post-card .pc-read .arr { display: inline-block; transition: transform var(--t-move) ease; }
.post-card:hover .pc-read .arr { transform: translateX(3px); }

/* —— Article —— */
.post { max-width: 720px; margin: 0 auto; }
.post-hero {
  margin: 0 0 40px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--hair);
  box-shadow: 0 24px 50px -22px rgba(10,10,12,0.35);
}
.post-hero img { display: block; width: 100%; height: auto; }
.post-author {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  font-size: 14px;
  color: var(--muted);
}
.post-author .pa-name { font-weight: 500; color: var(--ink); }
.post-author .pa-role { font-family: var(--mono); font-size: 12px; color: var(--soft); letter-spacing: 0.2px; }
.post-head { margin-bottom: 44px; }
.post-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.3px;
  color: var(--soft);
  margin-bottom: 24px;
}
.post-head h1 {
  font-family: var(--display);
  font-size: clamp(30px, 4.4vw, 44px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
  text-wrap: balance;
}
.post-head h1 em {
  font-style: normal;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.post-lede {
  font-size: 18.5px;
  line-height: 1.6;
  color: var(--muted);
  text-wrap: pretty;
}

.post-body p {
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--ink);
  letter-spacing: -0.1px;
  margin-bottom: 20px;
  text-wrap: pretty;
}
.post-body p strong { font-weight: 500; }
.post-body h2 {
  font-family: var(--display);
  font-size: 23px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 42px 0 14px;
}
.post-body h3 {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 30px 0 10px;
}
.post-body ul, .post-body ol {
  margin: 0 0 20px 0;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.post-body li {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
}
.post-body li::marker { color: var(--blue); font-family: var(--mono); font-size: 13px; }
.post-body blockquote {
  margin: 28px 0;
  padding: 22px 26px;
  background: var(--bg-soft);
  border: 1px solid var(--hair);
  border-radius: 12px;
  font-family: var(--display);
  font-size: 19.5px;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.45;
  color: var(--ink);
  text-wrap: pretty;
}
.post-body code {
  font-family: var(--mono);
  font-size: 13.5px;
  background: var(--bg-tint);
  border: 1px solid var(--hair);
  border-radius: 5px;
  padding: 1px 6px;
}
.post-sig {
  margin-top: 40px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--soft);
  letter-spacing: 0.2px;
}

/* —— Next post —— */
.next-post {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--hair);
}
.next-post .np-label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.4px;
  color: var(--soft);
  display: block;
  margin-bottom: 14px;
}

/* —— Home preview grid —— */
.blog-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.blog-preview.single { grid-template-columns: 1fr; }
.blog-preview.single .post-card {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 28px;
  align-items: center;
}
.blog-preview.single .post-card .pc-img { margin-bottom: 0; aspect-ratio: 16 / 10; }
@media (max-width: 760px) {
  .blog-preview.single .post-card { grid-template-columns: 1fr; gap: 0; }
  .blog-preview.single .post-card .pc-img { margin-bottom: 16px; }
}
.blog-all {
  margin-top: 22px;
  text-align: right;
}

/* —— Responsive —— */
@media (min-width: 760px) {
  .blog-list .post-card { display: grid; grid-template-columns: 300px 1fr; gap: 26px; align-items: center; }
  .blog-list .post-card .pc-img { margin-bottom: 0; aspect-ratio: 16 / 10; }
  .blog-list .post-card.featured { grid-template-columns: 400px 1fr; }
}
@media (min-width: 1080px) {
  .page { max-width: 1180px; }
  .post { max-width: 820px; }
  .post-head h1 { font-size: clamp(34px, 4.6vw, 50px); }
  .post-lede { font-size: 19.5px; }
  .blog-list .post-card { grid-template-columns: 340px 1fr; padding: 30px; }
  .blog-list .post-card.featured { grid-template-columns: 460px 1fr; }
}
@media (max-width: 760px) {
  .blog-preview { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .post-card { padding: 20px 18px; }
  .post-card h3 { font-size: 19px; }
  .post-body p { font-size: 15.5px; }
  .post-body blockquote { font-size: 17.5px; padding: 18px; }
  .post-head { margin-bottom: 32px; }
}