/* =========================================================================
   Shared component classes.

   Every rule references design tokens from tokens.css — no hardcoded hex
   colors or font-family strings. Newsletter classes are intentionally
   excluded (newsletter is removed from the new design).
   ========================================================================= */

/* ─── Reveal-on-scroll utility ─────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* ─── Kicker / eyebrow label ───────────────────────────────────────── */
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.kicker::before {
  content: '';
  width: 24px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}
/* Variant without leading rule — used inside compact contexts (sidebars, meta panels) */
.kicker--mono { /* identical to .kicker but no leading line */ }
.kicker--mono::before { content: none; }

/* ─── Accent text utility ──────────────────────────────────────────── */
.accent { color: var(--accent); }

/* ─── Nav ──────────────────────────────────────────────────────────── */
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 16px var(--gutter) 0;
  pointer-events: none;
}
.nav-capsule {
  pointer-events: auto;
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: 10px 10px 10px 22px;
  max-width: 1040px;
  margin: 0 auto;
  transition: background var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease);
}
.nav-capsule.is-scrolled {
  background: var(--nav-bg-scrolled);
  box-shadow: var(--shadow-nav);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  text-decoration: none;
}
.brand-wordmark {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
}
.brand-wordmark--lg {
  font-size: 18px;
  color: var(--fg);
}
.nav-items {
  display: flex;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: var(--r-full);
  background: transparent;
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.nav-link:hover { color: var(--fg); text-decoration: none; }
.nav-link.is-active { color: var(--fg); background: var(--hover-overlay); }
.nav-cta {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 14px;
  background: var(--accent);
  color: var(--accent-fg);
  padding: 10px 18px;
  border-radius: var(--r-full);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease);
}
.nav-cta:hover { background: var(--accent-hover); text-decoration: none; }

.nav-burger {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  border-radius: 50%;
  padding: 0;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background var(--dur-fast) var(--ease);
}
.nav-burger:hover { background: var(--surface-2); }
.nav-burger span {
  display: block;
  position: absolute;
  left: 11px; right: 11px;
  height: 2px;
  background: var(--fg);
  border-radius: 1px;
  transition: top 200ms var(--ease), transform 200ms var(--ease), opacity 140ms var(--ease);
}
.nav-burger span:nth-child(1) { top: 14px; }
.nav-burger span:nth-child(2) { top: 19px; }
.nav-burger span:nth-child(3) { top: 24px; }
.nav-burger.is-open span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

@media (max-width: 480px) {
  .nav-brand .brand-wordmark { display: none; }
}

@media (max-width: 900px) {
  .nav-burger { display: block; margin-left: auto; }
  .nav-items {
    position: absolute;
    top: calc(100% + 8px); left: 0; right: 0;
    flex-direction: column;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 8px;
    gap: 0;
    box-shadow: var(--shadow-nav);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 160ms var(--ease), transform 160ms var(--ease), visibility 0s linear 160ms;
  }
  .nav-capsule.is-menu-open .nav-items {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: opacity 160ms var(--ease), transform 160ms var(--ease), visibility 0s;
  }
  .nav-items .nav-link {
    padding: 12px 14px;
    font-size: 15px;
    text-align: left;
  }
}

@media (max-width: 720px) {
  .nav-wrap { padding-top: 8px; }
  .nav-capsule { padding: 6px 8px 6px 16px; }
  .nav-cta { padding: 8px 14px; font-size: 13px; }
}

/* ─── Breadcrumb ───────────────────────────────────────────────────── */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-subtle);
  letter-spacing: 0.04em;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--fg-muted);
  text-decoration: none;
}
.breadcrumb a:hover { color: var(--fg); text-decoration: none; }
.breadcrumb__sep { color: var(--fg-subtle); }
.breadcrumb__current { color: var(--fg); }

/* ─── Post cards (grid tile on /blog) ──────────────────────────────── */
.post-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px;
  text-decoration: none;
  color: inherit;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  height: 100%;
  box-sizing: border-box;
  transition: background 180ms var(--ease), border-color 180ms var(--ease), transform 180ms var(--ease);
}
.post-card:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
  transform: translateY(-2px);
  text-decoration: none;
}
.post-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.post-card__date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-subtle);
}
.post-card__title {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--fg);
}
.post-card__excerpt {
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--fg-muted);
  margin: 0;
  flex: 1;
}
.post-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-subtle);
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.post-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--fg-muted);
  transition: color var(--dur-fast) var(--ease);
}
.post-card:hover .post-card__more { color: var(--accent); }

/* ─── Post rows (category / tag / archive / search list view) ──────────
   Single-column body: the row is text first. Date, reading time and tags
   share one wrapping meta line under the excerpt, so nothing competes with
   the title for horizontal space. */
.post-row {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--dur-fast) var(--ease);
}
.post-row-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 20px;
  gap: 16px;
  align-items: start;
}
.post-row__title {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--fg);
  transition: color var(--dur-fast) var(--ease);
  text-wrap: balance;
}
.post-row:hover .post-row__title { color: var(--accent); }
.post-row__excerpt {
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: var(--fg-muted);
  line-height: 1.55;
  margin: 0;
  max-width: 70ch;
}
.post-row__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--fg-subtle);
}
.post-row__fact { color: var(--fg-muted); }
/* Middot separator rides along with its own item, so it never orphans on wrap. */
.post-row__fact + .post-row__fact::before {
  content: '·';
  margin-right: 10px;
  color: var(--fg-subtle);
}
.post-row__chev {
  color: var(--fg-subtle);
  padding-top: 6px;
  transition: all var(--dur-fast) var(--ease);
}
.post-row:hover .post-row__chev {
  color: var(--accent);
  transform: translateX(4px);
}

/* ─── Featured card ────────────────────────────────────────────────── */
.featured-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}
.featured-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  text-decoration: none;
}
.featured-card__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.featured-card__glow {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-tint-strong), transparent 70%);
  filter: blur(24px);
  pointer-events: none;
}
.featured-card__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.featured-card__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.featured-card__title {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--fg);
}
.featured-card__excerpt {
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--fg-muted);
  margin: 0;
}
.featured-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--fg-subtle);
}
.featured-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--fg);
}
.featured-card:hover .featured-card__more { color: var(--accent); }

/* ─── Category tiles ───────────────────────────────────────────────── */
.cat-tile {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px;
  text-decoration: none;
  background: var(--surface-1);
  transition: background 180ms var(--ease);
  color: inherit;
  min-height: 200px;
}
.cat-tile:hover { background: var(--surface-2); text-decoration: none; }
.cat-tile__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cat-tile__count {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--fg-subtle);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.cat-tile__name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--fg);
}
.cat-tile__desc {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-top: -6px;
}
.cat-tile__longdesc {
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--fg-muted);
  margin: 0;
  flex: 1;
}
.cat-tile__arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 180ms var(--ease);
}
.cat-tile:hover .cat-tile__arrow {
  border-color: var(--accent);
  color: var(--accent);
  transform: translate(2px, -2px);
}

/* ─── Cat pills + tag chips ────────────────────────────────────────── */
.cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--fg-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 4px 10px;
  min-height: 36px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease);
}
.cat-pill:hover {
  color: var(--fg);
  border-color: var(--border-strong);
  text-decoration: none;
}
.cat-pill--accent { color: var(--accent); }
.tag-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 2px 8px;
}
.cat-tag-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent-tint);
  border: 1px solid var(--accent-tint-border);
  padding: 5px 12px;
  border-radius: var(--r-sm);
  text-decoration: none;
}
.cat-tag-link:hover { background: var(--accent-tint-hover); text-decoration: none; }

/* ─── Sidebar (category list page) ─────────────────────────────────── */
.cat-sidebar {
  position: sticky;
  top: var(--nav-height);
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.side-search {
  position: relative;
  margin-top: 12px;
}
.side-search__input {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg);
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 10px 38px 10px 12px;
  transition: border-color var(--dur-fast) var(--ease);
  -webkit-appearance: none;
  appearance: none;
}
.side-search__input::placeholder { color: var(--fg-subtle); }
.side-search__input:focus {
  outline: none;
  border-color: var(--accent);
}
.side-search__btn {
  position: absolute;
  top: 50%;
  right: 4px;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  color: var(--fg-subtle);
  background: none;
  border: 0;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease);
}
.side-search__btn:hover { color: var(--accent); }

.cat-sidebar__cats { /* container for the list of categories */ }
.cat-sidebar__list {
  display: flex;
  flex-direction: column;
}
/* Tags occurring inside the current term — links that go deeper into the
   topic, as opposed to the category list, which navigates away from it. */
.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.side-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 4px 9px;
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease);
}
.side-tag:hover {
  color: var(--accent);
  border-color: var(--accent-tint-border);
  background: var(--accent-tint);
  text-decoration: none;
}
.side-tag__count {
  font-size: 10px;
  color: var(--fg-subtle);
}
.cat-sidebar__cta {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 22px;
}
.side-cat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  text-decoration: none;
  color: var(--fg-muted);
  font-family: var(--font-sans);
  font-size: 14px;
  border-left: 2px solid transparent;
  transition: all var(--dur-fast) var(--ease);
}
.side-cat:hover {
  color: var(--fg);
  background: var(--surface-1);
  text-decoration: none;
}
.side-cat.is-active {
  color: var(--fg);
  background: var(--surface-1);
  border-left-color: var(--accent);
}
.side-cat__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-subtle);
}
.side-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-fg);
  background: var(--accent);
  padding: 10px 16px;
  border-radius: var(--r-md);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease);
}
.side-cta:hover { background: var(--accent-hover); text-decoration: none; }

/* ─── Filter pills (blog index, “all/architektura/…”) ─────────────── */
.filter-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.filter-pill {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--fg-muted);
  background: var(--surface-1);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: var(--r-full);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}
.filter-pill:hover { color: var(--fg); background: var(--surface-2); }
.filter-pill.is-active {
  color: var(--accent-fg);
  background: var(--accent);
  border-color: var(--accent);
}

/* ─── Category page: head + sort buttons ──────────────────────────── */
.cat-list__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 720px) {
  .cat-list__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}
.sort-buttons {
  display: flex;
  gap: 4px;
}
.sort-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
  padding: 4px 10px;
  transition: color var(--dur-fast) var(--ease);
}
.sort-btn:hover { color: var(--fg); }
.sort-btn.is-active { color: var(--accent); }

/* ─── TOC + share rail ─────────────────────────────────────────────── */
.toc-aside {
  position: sticky;
  top: var(--nav-height);
  align-self: start;
}
.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.toc-link {
  display: block;
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--fg-muted);
  padding: 12px 14px;
  border-left: 2px solid var(--border);
  transition: all var(--dur-fast) var(--ease);
  line-height: 1.4;
}
.toc-link:hover { color: var(--fg); text-decoration: none; }
.toc-link.is-active { color: var(--fg); border-left-color: var(--accent); }
.toc-link__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-subtle);
  margin-right: 8px;
}
.toc-link.is-active .toc-link__num { color: var(--accent); }
.toc-share {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-subtle);
  letter-spacing: 0.06em;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toc-share__head {
  text-transform: uppercase;
  margin-bottom: 4px;
}
.toc-share__link {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  padding: 8px 0;
}
.toc-share__link:hover { color: var(--fg); text-decoration: none; }
.toc-share__copy {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--fg-muted);
  font-size: 13px;
  font-family: var(--font-sans);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  line-height: 1.6;
  text-align: left;
}
.toc-share__copy:hover { color: var(--fg); }
.toc-share__copy.is-copied { color: var(--accent); }

/* Share row used inline (e.g. below article body) */
.share-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-subtle);
}

/* Article variant — only visible on mobile, vertical stack with header. */
.share-row--article { display: none; }
@media (max-width: 900px) {
  .share-row--article {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
  }
  .share-row--article .toc-share__head {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
  }
}

/* ─── Article meta bar (under article hero) ────────────────────────── */
.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.article-meta-bar__author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.article-meta-bar__name {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
}
.article-meta-bar__role {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-subtle);
}
.article-meta-bar__right {
  display: flex;
  gap: 18px;
  margin-left: auto;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--fg-subtle);
  align-items: center;
}
.article-meta-bar__sep { color: var(--border-strong); }
.author-avatar-mini {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface-1);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  object-fit: cover;
}

/* ─── Article tags row (above author card) ─────────────────────────── */
.article-tags {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.article-tags__chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.article-tags__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-subtle);
}

/* ─── Author card (below article body) ─────────────────────────────── */
.author-card {
  margin-top: 56px;
  padding: 28px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  display: flex;
  gap: 20px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.author-card__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  object-fit: cover;
}
.author-card__body {
  flex: 1;
  min-width: 240px;
}
.author-card__name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
  margin-bottom: 4px;
}
.author-card__bio {
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: var(--fg-muted);
  margin: 0 0 14px;
  line-height: 1.55;
}
.author-card__socials {
  display: flex;
  gap: 12px;
  margin: 0 0 14px;
}
.author-card__socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.author-card__socials a:hover { color: var(--accent); }
.author-card__socials svg { width: 18px; height: 18px; }
.author-card__ctas {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.author-card__cta {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-fg);
  background: var(--accent);
  padding: 8px 14px;
  border-radius: var(--r-md);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease);
}
.author-card__cta:hover { background: var(--accent-hover); text-decoration: none; }
.author-card__alt {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg);
  border: 1px solid var(--border-strong);
  padding: 8px 14px;
  border-radius: var(--r-md);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease);
}
.author-card__alt:hover { background: var(--hover-overlay); text-decoration: none; }

/* ─── Mobile TOC — collapsible <details> shown only on <900 px ─────── */
.toc-mobile { display: none; }

@media (max-width: 900px) {
  .toc-mobile {
    display: block;
    margin: 0 0 32px;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    background: var(--surface-1);
  }
  .toc-mobile__summary {
    list-style: none;
    cursor: pointer;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--fg-subtle);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    -webkit-tap-highlight-color: transparent;
  }
  .toc-mobile__summary::-webkit-details-marker { display: none; }
  .toc-mobile__summary::marker { content: ''; }
  .toc-mobile__count {
    color: var(--accent);
    font-weight: 700;
  }
  .toc-mobile__chevron {
    margin-left: auto;
    color: var(--fg-muted);
    transition: transform var(--dur-fast) var(--ease);
  }
  .toc-mobile[open] .toc-mobile__chevron { transform: rotate(180deg); }
  .toc-mobile .toc-list {
    padding: 0 8px 14px;
  }
}

/* ─── Footer ───────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 36px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-bottom: 48px;
}
.footer-brand-row {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.footer-brand-icon { color: var(--fg); }
.footer-tagline {
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: var(--fg-muted);
  line-height: 1.6;
  margin: 0;
  max-width: 420px;
}
.footer-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--fg-subtle);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-subtle);
}
.footer-bottom-meta {
  display: flex;
  gap: 20px;
  align-items: center;
}
.footer-link {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.footer-link:hover { color: var(--fg); text-decoration: none; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ─── Reading-progress bar (article top) ───────────────────────────── */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 50;
  background: transparent;
  pointer-events: none;
}
.reading-progress__fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 60ms linear;
}

/* ─── Pagination ───────────────────────────────────────────────────── */
.pagination {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 13px;
  margin-top: 48px;
}
.pagination__page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  padding: 6px 10px;
  color: var(--fg-muted);
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease);
}
.pagination__page:hover {
  color: var(--fg);
  background: var(--surface-2);
  border-color: var(--border-strong);
  text-decoration: none;
}
.pagination__page.is-active {
  color: var(--accent-fg);
  background: var(--accent);
  border-color: var(--accent);
}

/* ─── Empty state ──────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 72px 24px;
  background: var(--surface-1);
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-lg);
}
.empty-state__title {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  color: var(--fg);
  margin: 0 0 12px;
}
.empty-state__sub {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--fg-muted);
  margin: 0 0 20px;
  line-height: 1.55;
}
.empty-state__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-fg);
  background: var(--accent);
  padding: 10px 18px;
  border-radius: var(--r-md);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease);
}
.empty-state__cta:hover { background: var(--accent-hover); text-decoration: none; }

/* ─── Filtered post tile hidden state ──────────────────────────────── */
[data-post-grid] [data-cat][hidden] { display: none; }

/* ─── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .cat-sidebar { position: static; }
}
@media (max-width: 620px) {
  /* Drop the chevron affordance; keep the meta line — date and reading time
     are exactly what you scan for on a phone. */
  .post-row-grid { grid-template-columns: minmax(0, 1fr); }
  .post-row__chev { display: none; }
  .article-meta-bar { flex-direction: column; align-items: flex-start; }
  .article-meta-bar__right { margin-left: 0; }
  .article-tags { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 720px) {
  .author-card { padding: 20px; gap: 16px; }
  .author-card__body { min-width: 0; }
}