/* ============================================================
   pages/blog.css — Blog List & Detail
   ============================================================ */

/* ── Page Hero ────────────────────────────────────────────── */
.blog-hero {
  background: var(--clr-bg-2);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--space-16) 0 var(--space-12);
  position: relative;
  overflow: hidden;
}
.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--clr-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, transparent, black 40%, black 70%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 40%, black 70%, transparent);
  opacity: 0.5;
}
.blog-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.blog-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1;
  margin-bottom: var(--space-3);
}
.blog-hero-sub {
  font-size: 0.95rem;
  color: var(--clr-text-dim);
  max-width: 52ch;
  margin: 0;
  line-height: 1.65;
}

/* ── Blog Layout ──────────────────────────────────────────── */
.blog-page { padding: var(--space-16) 0 var(--space-24); }
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-16);
  align-items: start;
}

/* ── Post List ────────────────────────────────────────────── */
.post-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.post-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
}
.post-card:hover {
  border-color: var(--clr-red);
  transform: translateX(4px);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.post-card-image {
  background: var(--clr-bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  min-height: 160px;
}
.post-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}
.post-card:hover .post-card-image img { transform: scale(1.05); }
.post-card-image-placeholder {
  width: 100%; height: 100%;
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #121212, #1c1c1c);
  position: relative;
}
.post-card-image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 20px 20px;
}
.post-placeholder-glow {
  position: absolute;
  width: 80px; height: 80px;
  background: radial-gradient(circle, rgba(212,43,43,0.2) 0%, transparent 70%);
  border-radius: 50%;
}
.post-placeholder-icon {
  position: relative;
  z-index: 1;
}
.post-placeholder-icon svg {
  width: 28px; height: 28px;
  stroke: rgba(212,43,43,0.4);
  fill: none;
  stroke-width: 1.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.post-card-body {
  padding: var(--space-6) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  justify-content: center;
}
.post-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.post-date {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}
.post-category {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-red);
  border: 1px solid rgba(212,43,43,0.3);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}
.post-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--clr-white);
  line-height: 1.2;
  transition: color var(--transition);
}
.post-card:hover .post-card-title { color: var(--clr-red); }
.post-card-excerpt {
  font-size: 0.85rem;
  color: var(--clr-text-dim);
  line-height: 1.65;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card-cta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-red);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--transition);
}
.post-card:hover .post-card-cta { gap: var(--space-3); }
.post-card-cta::after { content: '→'; font-family: sans-serif; }

/* Empty state */
.blog-empty {
  padding: var(--space-20) 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
}
.blog-empty-icon svg {
  width: 48px; height: 48px;
  stroke: var(--clr-border-hi);
  fill: none;
  stroke-width: 1;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.blog-empty-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}
.blog-empty-sub {
  font-size: 0.875rem;
  color: var(--clr-text-dim);
  margin: 0;
}

/* ── Pagination ───────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--clr-border);
  flex-wrap: wrap;
}
.pagination-info {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}
.pagination-links {
  display: flex;
  gap: var(--space-2);
}
.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px; height: 36px;
  padding: 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--clr-text-dim);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition),
              background var(--transition);
}
.page-link:hover     { color: var(--clr-white); border-color: var(--clr-border-hi); }
.page-link.is-active { color: var(--clr-white); border-color: var(--clr-red); background: var(--clr-red-dim); }
.page-link.is-disabled { opacity: 0.35; pointer-events: none; }

/* ── Sidebar ──────────────────────────────────────────────── */
.blog-sidebar {
  position: sticky;
  top: calc(64px + var(--space-8));
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.sidebar-widget {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.sidebar-widget-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--clr-border);
}
.sidebar-widget-title {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}
.sidebar-widget-body { padding: var(--space-5); }

/* Recent posts list */
.sidebar-posts { display: flex; flex-direction: column; gap: var(--space-4); }
.sidebar-post {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  text-decoration: none;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--clr-border);
}
.sidebar-post:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-post-title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--clr-text);
  line-height: 1.25;
  transition: color var(--transition);
}
.sidebar-post:hover .sidebar-post-title { color: var(--clr-red); }
.sidebar-post-date {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--clr-text-dim);
  text-transform: uppercase;
}

/* Sidebar CTA */
.sidebar-cta {
  background: var(--clr-red-dim);
  border: 1px solid rgba(212,43,43,0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.sidebar-cta-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--clr-white);
  line-height: 1.2;
}
.sidebar-cta-sub {
  font-size: 0.8rem;
  color: var(--clr-text-dim);
  line-height: 1.6;
  margin: 0;
}

/* ── Article (Detail) ─────────────────────────────────────── */
.article-hero {
  background: var(--clr-bg-2);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--space-16) 0 var(--space-12);
  position: relative;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--clr-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, transparent, black 40%, black 70%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 40%, black 70%, transparent);
  opacity: 0.4;
}
.article-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
}
.article-hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.article-hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  line-height: 1.05;
  margin-bottom: var(--space-5);
}
.article-hero-excerpt {
  font-size: 1.05rem;
  color: var(--clr-text);
  line-height: 1.7;
  max-width: 60ch;
  margin: 0;
}

.article-cover {
  width: 100%;
  aspect-ratio: 16/6;
  background: var(--clr-bg-3);
  border-bottom: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.article-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.article-cover-placeholder {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  background: linear-gradient(135deg, #0e0e0e 0%, #1a1a1a 50%, #0e0e0e 100%);
  position: relative;
}
.article-cover-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 32px 32px;
}
.article-cover-placeholder-title {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 5rem);
  font-weight: 800;
  color: rgba(255,255,255,0.04);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  text-align: center;
  padding: 0 var(--container-pad);
  line-height: 1;
}
.article-cover-glow {
  position: absolute;
  width: 400px; height: 200px;
  background: radial-gradient(ellipse, rgba(212,43,43,0.12) 0%, transparent 70%);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

/* Article body layout */
.article-page { padding: var(--space-16) 0 var(--space-24); }
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-16);
  align-items: start;
}

/* Prose content */
.article-body {
  font-size: 0.95rem;
  color: var(--clr-text);
  line-height: 1.8;
}
.article-body h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  margin: var(--space-10) 0 var(--space-4);
  color: var(--clr-white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding-top: var(--space-8);
  border-top: 1px solid var(--clr-border);
}
.article-body h2:first-child { margin-top: 0; border-top: none; padding-top: 0; }
.article-body h3 {
  font-size: 1rem;
  margin: var(--space-8) 0 var(--space-3);
  color: var(--clr-white);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.article-body p  { margin-bottom: var(--space-5); color: var(--clr-text); }
.article-body ul,
.article-body ol { margin: var(--space-5) 0; padding-left: var(--space-6); }
.article-body li {
  margin-bottom: var(--space-2);
  font-size: 0.9rem;
  color: var(--clr-text-dim);
  line-height: 1.7;
}
.article-body ul li::marker { color: var(--clr-red); }
.article-body ol li::marker { color: var(--clr-red); font-family: var(--font-mono); font-size: 0.8em; }
.article-body strong { color: var(--clr-white); font-weight: 600; }
.article-body a {
  color: var(--clr-red);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
.article-body a:hover { color: var(--clr-red-hi); }
.article-body blockquote {
  border-left: 3px solid var(--clr-red);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-8) 0;
  background: var(--clr-red-dim);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.article-body blockquote p {
  font-size: 1rem;
  color: var(--clr-off-white);
  font-style: italic;
  margin: 0;
}
.article-body hr {
  border: none;
  border-top: 1px solid var(--clr-border);
  margin: var(--space-10) 0;
}

/* Article footer nav */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--clr-border);
}
.article-nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-6);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color var(--transition);
}
.article-nav-link:hover { border-color: var(--clr-red); }
.article-nav-link--next { text-align: right; }
.article-nav-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}
.article-nav-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-text);
  line-height: 1.2;
  transition: color var(--transition);
}
.article-nav-link:hover .article-nav-title { color: var(--clr-red); }

/* ── Breadcrumb (reuse) ───────────────────────────────────── */
.breadcrumb {
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-bg-2);
}
.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.breadcrumb-list li { display: flex; align-items: center; gap: var(--space-2); }
.breadcrumb-list li + li::before { content: '/'; color: var(--clr-text-dim); font-size: 0.75rem; }
.breadcrumb-list a,
.breadcrumb-list span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
  transition: color var(--transition);
}
.breadcrumb-list a:hover { color: var(--clr-white); }
.breadcrumb-list li:last-child span { color: var(--clr-red); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .blog-layout, .article-layout {
    grid-template-columns: 1fr;
  }
  .blog-sidebar { position: static; }
}
@media (max-width: 640px) {
  .post-card { grid-template-columns: 1fr; }
  .post-card-image { min-height: 140px; aspect-ratio: 16/7; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav-link--next { text-align: left; }
}