/* ============================================================
   OwnAI — Blog / Resources index
   v2026-05-20 — dynamic counts, multi-cat filtering, no pagination,
   50/50 featured, extended sidebar, mobile-scrolling filter strip,
   empty-state, hover/focus polish.
   No new tokens. Stripe/Cloudflare/Anthropic restraint.
   ============================================================ */

/* ===== Hero (slim, type-driven) ===== */
.blog-hero {
  background: var(--c-bg-default);
  border-bottom: 1px solid var(--c-border-default);
  position: relative;
}
.blog-hero-inner {
  padding-block: 64px;
  max-width: 760px;
}
@media (min-width: 1024px) { .blog-hero-inner { padding-block: 96px; } }
.blog-hero .breadcrumb {
  display: inline-flex; gap: 8px; align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: var(--t-xs);
  color: var(--c-fg-muted);
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}
.blog-hero .breadcrumb a { text-decoration: none; color: var(--c-fg-muted); }
.blog-hero .breadcrumb a:hover { color: var(--c-fg-default); }
.blog-hero .breadcrumb .sep { color: var(--c-border-strong); }
.blog-hero h1 {
  font-size: var(--t-4xl); line-height: var(--lh-4xl); max-width: 22ch;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
@media (min-width: 768px)  { .blog-hero h1 { font-size: var(--t-5xl); line-height: var(--lh-5xl); } }
@media (min-width: 1024px) { .blog-hero h1 { font-size: var(--t-6xl); line-height: var(--lh-6xl); } }
.blog-hero .lede {
  color: var(--c-fg-muted);
  margin-top: 20px;
  max-width: 56ch;
  font-size: var(--t-lg); line-height: var(--lh-lg);
}
@media (min-width: 768px) { .blog-hero .lede { font-size: var(--t-xl); line-height: var(--lh-xl); } }

/* ===== Filters — horizontal scroll on mobile, wrap on desktop ===== */
.filters-row-wrap {
  position: relative;
  border-bottom: 1px solid var(--c-border-default);
}
.filters-bar {
  display: flex;
  gap: 12px;
  padding-block: 24px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-right: 32px;
}
.filters-bar::-webkit-scrollbar { display: none; }
.filters-bar > * { scroll-snap-align: start; flex-shrink: 0; }
.filters-row-wrap::after {
  content: ""; position: absolute; top: 0; right: 0; bottom: 0;
  width: 32px;
  background: linear-gradient(to right, transparent, var(--c-bg-default));
  pointer-events: none;
}
@media (min-width: 768px) {
  .filters-bar { flex-wrap: wrap; overflow-x: visible; padding-right: 0; scroll-snap-type: none; }
  .filters-row-wrap::after { display: none; }
}

.filter-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0 14px;
  min-height: 44px;
  background: var(--c-bg-default);
  border: 1px solid var(--c-border-default);
  border-radius: var(--r-pill);
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--c-fg-default);
  cursor: pointer;
  font-family: inherit;
  transition: background var(--tx), border-color var(--tx), color var(--tx), box-shadow var(--tx);
  white-space: nowrap;
}
.filter-pill:hover { border-color: var(--c-fg-default); }
.filter-pill:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
}
.filter-pill.is-active {
  background: var(--c-fg-default);
  border-color: var(--c-fg-default);
  color: var(--c-fg-inverse);
  box-shadow: var(--shadow-sm);
}
.filter-pill .count {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: var(--r-pill);
  background: var(--c-bg-elevated);
  color: var(--c-fg-muted);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  min-width: 22px;
  text-align: center;
}
.filter-pill.is-active .count { background: rgba(255,255,255,0.16); color: var(--c-fg-inverse); }
@media (prefers-reduced-motion: reduce) { .filter-pill { transition: none; } }

/* ===== Layout ===== */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding-block: 56px;
}
@media (min-width: 1024px) {
  .blog-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 64px;
  }
}

/* ===== Featured — re-balanced 50/50 ===== */
.featured {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--c-border-default);
  text-decoration: none;
  color: inherit;
  transition: transform 150ms ease-out;
}
@media (min-width: 768px) {
  .featured {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
  }
}
@media (min-width: 1024px) { .featured { gap: 40px; } }
.featured:hover {
  transform: translateY(-2px);
}
.featured:focus-visible {
  outline: 2px solid var(--c-focus); outline-offset: 6px;
  border-radius: var(--r-card);
}
.featured:hover h2 { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 2px; }
@media (prefers-reduced-motion: reduce) {
  .featured, .featured:hover { transition: none; transform: none; }
}

.featured-art {
  border-radius: var(--r-card);
  aspect-ratio: 16 / 10;
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border-default);
  overflow: hidden;
  position: relative;
}
.featured-art svg { width: 100%; height: 100%; display: block; }

.featured-meta {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-bottom: 16px;
}
.featured-meta .featured-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: var(--c-fg-default);
  color: var(--c-fg-inverse);
}

.cat-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  border: 1px solid;
}
.cat-tag.privacy { color: #2563EB;            background: rgba(37,99,235,0.08); border-color: rgba(37,99,235,0.22); }
.cat-tag.cost    { color: var(--c-positive);  background: var(--c-positive-bg); border-color: rgba(22,163,74,0.25); }
.cat-tag.reg     { color: var(--c-warning);   background: #FFFBEB; border-color: rgba(217,119,6,0.25); }
.cat-tag.tech    { color: var(--c-fg-default); background: var(--c-bg-elevated); border-color: var(--c-border-default); }
.cat-tag.case    { color: #7C3AED;            background: rgba(124,58,237,0.08); border-color: rgba(124,58,237,0.22); }
.cat-tag.pharma  { color: #2563EB;            background: rgba(37,99,235,0.08); border-color: rgba(37,99,235,0.22); }
.cat-tag.nbfc    { color: #7C3AED;            background: rgba(124,58,237,0.08); border-color: rgba(124,58,237,0.22); }

.featured h2 {
  font-size: var(--t-2xl);
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
@media (min-width: 768px)  { .featured h2 { font-size: var(--t-3xl); } }
@media (min-width: 1024px) { .featured h2 { font-size: var(--t-4xl); line-height: 1.15; } }
.featured-body .excerpt {
  margin-top: 16px;
  font-size: var(--t-base);
  line-height: 1.6;
  color: var(--c-fg-muted);
  max-width: 64ch;
}
@media (min-width: 1024px) { .featured-body .excerpt { font-size: var(--t-lg); line-height: 1.55; } }

/* Byline — shared with post.css */
.byline {
  display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center;
  margin-top: 20px;
  font-size: var(--t-sm);
  color: var(--c-fg-muted);
}
.byline a { color: var(--c-fg-default); text-decoration: none; font-weight: 600; }
.byline a:hover { text-decoration: underline; text-underline-offset: 3px; }
.byline .author-init {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--c-fg-default);
  color: var(--c-fg-inverse);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.byline .dot { color: var(--c-border-strong); }
.byline .role-sub { color: var(--c-fg-subtle); font-size: var(--t-xs); }
.byline time { font-variant-numeric: tabular-nums; }

/* ===== Post grid ===== */
.posts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 640px) { .posts { grid-template-columns: 1fr 1fr; gap: 24px; } }
@media (min-width: 1024px) { .posts { grid-template-columns: 1fr 1fr; gap: 24px; } }
@media (min-width: 1280px) { .posts { grid-template-columns: 1fr 1fr; } }

.post {
  display: flex; flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: transparent;
  padding: 16px;
  margin: -16px;
  border: 1px solid transparent;
  border-radius: var(--r-card);
  transition: transform 150ms ease-out, border-color 150ms ease-out,
              box-shadow 150ms ease-out, background 150ms ease-out;
}
.post:hover {
  transform: translateY(-2px);
  border-color: var(--c-accent-pharma);
  background: var(--c-bg-default);
  box-shadow: var(--shadow-md);
}
.post:focus-visible {
  outline: 2px solid var(--c-focus); outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  .post, .post:hover { transition: none; transform: none; }
  .post:hover { border-color: var(--c-accent-pharma); }
}
.post .thumb {
  aspect-ratio: 16 / 10;
  border-radius: var(--r-card);
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border-default);
  overflow: hidden;
  margin-bottom: 16px;
}
.post .thumb svg { width: 100%; height: 100%; display: block; }
.post .meta {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 10px;
}
.post h3 {
  font-size: var(--t-lg);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 700;
  text-wrap: balance;
}
.post .excerpt {
  margin-top: 8px;
  font-size: var(--t-sm);
  line-height: 1.55;
  color: var(--c-fg-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post .byline { margin-top: 12px; font-size: var(--t-xs); }
.post .byline .author-init { width: 20px; height: 20px; font-size: 9px; }
.post:hover h3 { text-decoration: underline; text-underline-offset: 3px; }

/* Empty state for filtered view */
.empty-state {
  margin-top: 32px;
  padding: 48px 24px;
  text-align: center;
  border: 1px dashed var(--c-border-default);
  border-radius: var(--r-card);
  background: var(--c-bg-elevated);
  display: none;
}
.empty-state.is-on { display: block; }
.empty-state p {
  font-size: var(--t-base);
  color: var(--c-fg-muted);
  margin: 0 0 12px;
}
.empty-state a {
  font-size: var(--t-sm);
  color: var(--c-accent-pharma);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
  min-height: 44px;
  display: inline-flex; align-items: center;
}

/* ===== Sidebar (extended, flows alongside grid) ===== */
.sidebar-blog {
  display: grid; gap: 24px;
  align-self: start;
}
@media (min-width: 1024px) {
  .sidebar-blog {
    position: sticky;
    top: 88px;
  }
}
.side-card {
  padding: 20px;
  border: 1px solid var(--c-border-default);
  border-radius: var(--r-card);
  background: var(--c-bg-default);
}
.side-card h4 {
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
  color: var(--c-fg-muted);
  margin-bottom: 16px;
}
.editor-picks {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 14px;
}
.editor-picks li { border-top: 1px solid var(--c-border-default); padding-top: 14px; }
.editor-picks li:first-child { border-top: none; padding-top: 0; }
.editor-picks a {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  min-height: 44px;
}
.editor-picks a:hover .pt { text-decoration: underline; text-underline-offset: 3px; }
.editor-picks a:focus-visible { outline: 2px solid var(--c-focus); outline-offset: 2px; border-radius: 4px; }
.editor-picks .n {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--c-fg-muted);
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border-default);
  border-radius: var(--r-btn);
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  flex-shrink: 0;
}
.editor-picks .pt {
  font-size: var(--t-sm);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.editor-picks .pm {
  margin-top: 4px;
  font-size: 11px;
  color: var(--c-fg-muted);
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.04em;
}

/* Download card */
.dl-pdf {
  padding: 20px;
  border: 1px solid var(--c-border-default);
  border-radius: var(--r-card);
  background:
    radial-gradient(ellipse at 100% 0%, rgba(22,163,74,0.06), transparent 50%),
    var(--c-bg-default);
  position: relative;
}
.dl-pdf .ic {
  width: 36px; height: 36px;
  border-radius: var(--r-btn);
  background: var(--c-positive-bg);
  color: var(--c-positive);
  border: 1px solid rgba(22,163,74,0.25);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.dl-pdf .form-tag {
  position: absolute; top: 18px; right: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-fg-muted);
  padding: 3px 8px;
  border: 1px solid var(--c-border-default);
  border-radius: var(--r-pill);
  background: var(--c-bg-default);
}
.dl-pdf h4 {
  font-size: var(--t-base);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  text-transform: none;
  color: var(--c-fg-default);
  font-family: "Inter", system-ui, sans-serif;
}
.dl-pdf .descr {
  font-size: var(--t-sm);
  color: var(--c-fg-muted);
  line-height: 1.55;
  margin-bottom: 14px;
}
.dl-pdf .btn { width: 100%; min-height: 44px; }

/* Newsletter */
.newsletter {
  padding: 20px;
  border: 1px solid var(--c-border-default);
  border-radius: var(--r-card);
  background: var(--c-bg-inverse);
  color: var(--c-fg-inverse);
}
.newsletter h4 {
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--c-fg-inverse-muted);
  margin-bottom: 16px;
  font-family: "JetBrains Mono", monospace;
}
.newsletter p {
  font-size: var(--t-sm);
  line-height: 1.55;
  color: var(--c-fg-inverse);
}
.newsletter .promise {
  display: block;
  margin-top: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--c-positive);
  letter-spacing: 0.04em;
}
.newsletter form {
  margin-top: 16px;
  display: flex; flex-direction: column; gap: 8px;
}
.newsletter input[type="email"] {
  padding: 12px;
  font: inherit;
  font-size: var(--t-sm);
  color: var(--c-fg-inverse);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--c-border-inverse-strong);
  border-radius: var(--r-input);
  min-height: 44px;
}
.newsletter input[type="email"]::placeholder { color: var(--c-fg-inverse-muted); }
.newsletter input[type="email"]:focus-visible {
  outline: none;
  border-color: var(--c-fg-inverse);
  box-shadow: 0 0 0 3px rgba(248,250,252,0.15);
}
.newsletter button {
  padding: 12px 14px;
  background: var(--c-fg-inverse);
  color: var(--c-fg-default);
  border: none;
  border-radius: var(--r-btn);
  font-weight: 700;
  font-size: var(--t-sm);
  cursor: pointer;
  min-height: 44px;
}

/* Feed links */
.feed-links {
  padding: 16px 20px;
  display: flex; flex-direction: column; gap: 4px;
  border: 1px solid var(--c-border-default);
  border-radius: var(--r-card);
  background: var(--c-bg-elevated);
  font-size: var(--t-sm);
}
.feed-links .row {
  display: flex; gap: 10px; align-items: center;
  text-decoration: none;
  color: var(--c-fg-default);
  padding: 8px 0;
  min-height: 44px;
}
.feed-links .row:focus-visible { outline: 2px solid var(--c-focus); outline-offset: 2px; border-radius: 4px; }
.feed-links .row .ic {
  width: 24px; height: 24px;
  border-radius: 6px;
  background: var(--c-bg-default);
  border: 1px solid var(--c-border-default);
  color: var(--c-fg-muted);
  display: inline-flex; align-items: center; justify-content: center;
}
.feed-links .row code {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--c-fg-muted);
  margin-left: auto;
}
.feed-links .row:hover code { color: var(--c-fg-default); }