/* ============================================================
   KriptoFX FAZA 7 — Archive (category/tag/author) Stylesheet
   Loaded conditionally on is_archive() via wp_enqueue_style.
   Self-contained: variables + Astra reset + navbar + hero
   + featured + grid + pagination + footer.
   ============================================================ */
:root {
  --kfx-bg:#0B0F19; --kfx-card:#121826; --kfx-card-2:#0F1521; --kfx-card-hi:#161E2F;
  --kfx-border:#1E293B; --kfx-border-hi:#2D3A52;
  --kfx-primary:#2962FF; --kfx-accent:#00C896;
  --kfx-text:#E5E7EB; --kfx-text-2:#CBD5E1; --kfx-muted:#B4BCC9;
  --kfx-danger:#EF4444; --kfx-warning:#F59E0B;
  --kfx-font-h:'Poppins',system-ui,sans-serif; --kfx-font-b:'Inter',system-ui,sans-serif;
  --kfx-radius:12px; --kfx-radius-sm:8px; --kfx-shell:1200px;
  --kfx-tx:200ms cubic-bezier(.4,0,.2,1);
}

/* Astra neutralize (archive scope) */
body.archive-kfx,
body.archive-kfx html { margin:0!important; padding:0!important; overflow-x:hidden; background:var(--kfx-bg)!important; color:var(--kfx-text); font-family:var(--kfx-font-b); font-size:15px; line-height:1.5; -webkit-font-smoothing:antialiased; }
body.archive-kfx #masthead,
body.archive-kfx .site-header,
body.archive-kfx #colophon,
body.archive-kfx .site-footer,
body.archive-kfx .ast-archive-description,
body.archive-kfx .ast-pagination,
body.archive-kfx .ast-archive-title,
body.archive-kfx .page-header,
body.archive-kfx .ast-no-results,
body.archive-kfx .nav-links { display:none!important; }
body.archive-kfx #page,
body.archive-kfx .hfeed.site,
body.archive-kfx .site,
body.archive-kfx #content,
body.archive-kfx .site-content,
body.archive-kfx #primary,
body.archive-kfx #main,
body.archive-kfx .ast-container,
body.archive-kfx .ast-container-fluid,
body.archive-kfx .ast-row,
body.archive-kfx .ast-no-sidebar,
body.archive-kfx .ast-page-builder-template,
body.archive-kfx .ast-archive-post,
body.archive-kfx .ast-article-post,
body.archive-kfx article,
body.archive-kfx article.post,
body.archive-kfx article.page {
  display:block!important; width:100%!important; max-width:100%!important;
  margin:0!important; padding:0!important;
  background:transparent!important; border:0!important; box-shadow:none!important;
  position:static!important; float:none!important; flex:none!important;
  text-align:left!important; direction:ltr!important;
}
body.archive-kfx .kfx-archive {
  display:block!important; width:100vw!important; max-width:100vw!important;
  margin-left:calc(-1 * (100vw - 100%) / 2)!important;
  margin-right:calc(-1 * (100vw - 100%) / 2)!important;
  padding:0!important; text-align:left!important; direction:ltr!important;
}
body.archive-kfx.admin-bar .kfx-navbar { top: 32px !important; }
@media screen and (max-width:782px) { body.archive-kfx.admin-bar .kfx-navbar { top: 46px !important; } }

/* Base */
.kfx-archive *,.kfx-archive *::before,.kfx-archive *::after { box-sizing:border-box; }
.kfx-archive img,.kfx-archive svg { display:block; max-width:100%; }
.kfx-archive a { color:inherit; text-decoration:none; }
.kfx-archive button { font:inherit; cursor:pointer; border:0; background:none; color:inherit; }
.kfx-archive h1,.kfx-archive h2,.kfx-archive h3,.kfx-archive h4 { font-family:var(--kfx-font-h); margin:0; }
.kfx-shell { max-width:var(--kfx-shell); margin:0 auto; padding:0 24px; }

/* Navbar */
.kfx-navbar { position:sticky; top:0; z-index:100; height:64px; background:rgba(11,15,25,.82); backdrop-filter:saturate(160%) blur(14px); -webkit-backdrop-filter:saturate(160%) blur(14px); border-bottom:1px solid var(--kfx-border); }
.kfx-navbar .kfx-shell { height:100%; display:flex; align-items:center; gap:32px; }
.kfx-logo { display:flex; align-items:center; gap:8px; font-family:var(--kfx-font-h); font-weight:800; font-size:18px; letter-spacing:-.01em; color:var(--kfx-text); }
.kfx-logo-mark { width:28px; height:28px; border-radius:8px; background:linear-gradient(135deg,var(--kfx-primary),var(--kfx-accent)); display:grid; place-items:center; color:#fff; font-weight:800; font-size:14px; }
.kfx-nav-links { display:flex; gap:4px; flex:1; }
.kfx-nav-links a { padding:8px 14px; border-radius:var(--kfx-radius-sm); color:var(--kfx-text-2); font-weight:500; font-size:14px; transition:var(--kfx-tx); }
.kfx-nav-links a:hover, .kfx-nav-links a.is-active { color:var(--kfx-text); background:var(--kfx-card); }
.kfx-search { display:flex; align-items:center; gap:8px; padding:8px 14px; background:var(--kfx-card); border:1px solid var(--kfx-border); border-radius:var(--kfx-radius-sm); color:var(--kfx-muted); font-size:13px; min-width:220px; }
.kfx-search kbd { margin-left:auto; padding:2px 6px; background:var(--kfx-bg); border:1px solid var(--kfx-border); border-radius:4px; font-family:var(--kfx-font-b); font-size:11px; color:var(--kfx-muted); }
.kfx-btn { padding:8px 16px; border-radius:var(--kfx-radius-sm); font-weight:600; font-size:14px; transition:var(--kfx-tx); display:inline-flex; align-items:center; gap:6px; }
.kfx-btn-ghost { background:transparent; color:var(--kfx-text-2); border:1px solid var(--kfx-border); }
.kfx-btn-ghost:hover { border-color:var(--kfx-border-hi); color:var(--kfx-text); }
.kfx-hamburger { display:none; }

/* ============================================================
   CATEGORY HERO
   ============================================================ */
.kfx-cat-hero {
  text-align: center;
  padding: 80px 0 48px;
  border-bottom: 1px solid var(--kfx-border);
  background: radial-gradient(800px circle at 50% 0%, var(--kfx-cat-glow, rgba(0,200,150,.1)), transparent 60%);
  position: relative;
}
.kfx-cat-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, black 0%, transparent 70%);
  pointer-events: none;
}
.kfx-cat-hero > .kfx-shell { position: relative; }
.kfx-cat-emoji {
  font-size: 56px;
  line-height: 1;
  margin-bottom: 16px;
  filter: drop-shadow(0 4px 16px var(--kfx-cat-glow, transparent));
}
.kfx-cat-h1 {
  font-family: var(--kfx-font-h);
  font-size: clamp(36px, 4vw + 12px, 56px);
  font-weight: 800;
  letter-spacing: -.02em;
  margin: 0 0 14px;
  color: var(--kfx-text);
  line-height: 1.1;
}
.kfx-cat-desc {
  color: var(--kfx-text-2);
  font-size: 17px;
  max-width: 620px;
  margin: 0 auto 20px;
  line-height: 1.6;
}
.kfx-cat-stats {
  font-size: 13px;
  color: var(--kfx-muted);
  margin-bottom: 32px;
}
.kfx-cat-stats strong { color: var(--kfx-text); font-weight: 700; }

/* Sub-cat chips */
.kfx-cat-chips {
  display: flex; gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 800px;
  margin: 0 auto;
}
.kfx-cat-chip {
  padding: 8px 16px;
  background: var(--kfx-card);
  border: 1px solid var(--kfx-border);
  border-radius: 999px;
  color: var(--kfx-text-2);
  font-size: 13px;
  font-weight: 500;
  transition: var(--kfx-tx);
  white-space: nowrap;
}
.kfx-cat-chip:hover {
  background: var(--kfx-card-hi);
  border-color: var(--kfx-cat-color, var(--kfx-accent));
  color: var(--kfx-cat-color, var(--kfx-accent));
  transform: translateY(-1px);
}
.kfx-cat-chip-count {
  margin-left: 6px;
  color: var(--kfx-muted);
  font-size: 11px;
}

/* ============================================================
   FEATURED POST  (60/40 split)
   ============================================================ */
.kfx-featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--kfx-card);
  border: 1px solid var(--kfx-border);
  border-radius: var(--kfx-radius);
  overflow: hidden;
  transition: var(--kfx-tx);
  margin-bottom: 48px;
  color: var(--kfx-text);
}
.kfx-featured-post:hover { border-color: var(--kfx-border-hi); transform: translateY(-2px); }

.kfx-featured-post-cover {
  min-height: 320px;
  position: relative;
  overflow: hidden;
  background: var(--kfx-cover-grad, linear-gradient(135deg, #1a2540, #0d1420));
}
.kfx-featured-post-cover::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: 0;
}
.kfx-featured-post-cover img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 1;
}
.kfx-featured-post-cover-icon {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--kfx-font-h);
  font-weight: 800;
  font-size: 96px;
  color: rgba(255,255,255,.18);
  z-index: 0;
}

.kfx-featured-post-body {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.kfx-featured-post-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(0,200,150,.1);
  border: 1px solid rgba(0,200,150,.25);
  border-radius: 999px;
  color: var(--kfx-accent);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  width: fit-content;
  margin-bottom: 16px;
}
.kfx-featured-post-title {
  font-family: var(--kfx-font-h);
  font-size: clamp(22px, 1.6vw + 12px, 30px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.01em;
  margin: 0 0 12px;
  color: var(--kfx-text);
  transition: var(--kfx-tx);
}
.kfx-featured-post:hover .kfx-featured-post-title { color: var(--kfx-accent); }
.kfx-featured-post-excerpt {
  color: var(--kfx-text-2);
  font-size: 15px;
  line-height: 1.6;
  margin: 0 0 20px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.kfx-featured-post-meta {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px;
  color: var(--kfx-muted);
  flex-wrap: wrap;
}
.kfx-avatar-sm {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--kfx-primary), var(--kfx-accent));
  display: grid; place-items: center;
  font-family: var(--kfx-font-h); font-weight: 700; font-size: 11px;
  color: #fff;
}
.kfx-meta-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--kfx-muted); }

/* ============================================================
   ARCHIVE TOOLBAR
   ============================================================ */
.kfx-archive-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--kfx-border);
}
.kfx-toolbar-label {
  font-family: var(--kfx-font-h);
  font-size: 16px;
  font-weight: 700;
  color: var(--kfx-text);
}

/* ============================================================
   POST GRID  (3-col)
   ============================================================ */
.kfx-post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.kfx-post-card {
  background: var(--kfx-card);
  border: 1px solid var(--kfx-border);
  border-radius: var(--kfx-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--kfx-tx);
  color: var(--kfx-text);
}
.kfx-post-card:hover { border-color: var(--kfx-border-hi); transform: translateY(-3px); }
.kfx-post-cover {
  height: 160px;
  background: var(--kfx-cover-grad, linear-gradient(135deg, #1a2540, #0d1420));
  position: relative;
  overflow: hidden;
}
.kfx-post-cover::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 24px 24px;
  z-index: 0;
}
.kfx-post-cover img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 1;
}
.kfx-post-cover-icon {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--kfx-font-h); font-weight: 800; font-size: 48px;
  color: rgba(255,255,255,.18);
  z-index: 0;
}
.kfx-post-cat-tag {
  position: absolute;
  top: 12px; left: 12px;
  padding: 4px 10px;
  background: rgba(11,15,25,.78);
  backdrop-filter: blur(8px);
  border: 1px solid var(--kfx-border);
  border-radius: 999px;
  font-size: 11px; font-weight: 600;
  color: var(--kfx-accent);
  letter-spacing: .04em;
  text-transform: uppercase;
  z-index: 2;
}
.kfx-post-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.kfx-post-title-lg {
  font-family: var(--kfx-font-h);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--kfx-text);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: var(--kfx-tx);
  margin: 0;
}
.kfx-post-card:hover .kfx-post-title-lg { color: var(--kfx-accent); }
.kfx-post-excerpt {
  color: var(--kfx-text-2);
  font-size: 13px;
  line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  margin: 0;
}
.kfx-post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--kfx-border);
  font-size: 12px;
  color: var(--kfx-muted);
}
.kfx-post-meta b { color: var(--kfx-text-2); font-weight: 600; }

/* Cover gradient variants (shared with single-post) */
.kfx-cover-btc { --kfx-cover-grad: linear-gradient(135deg, #3d2810, #1a1408); }
.kfx-cover-eth { --kfx-cover-grad: linear-gradient(135deg, #1d2548, #0d1228); }
.kfx-cover-defi { --kfx-cover-grad: linear-gradient(135deg, #0a3a2c, #051d16); }
.kfx-cover-edu { --kfx-cover-grad: linear-gradient(135deg, #2d1648, #170926); }
.kfx-cover-fin { --kfx-cover-grad: linear-gradient(135deg, #0e2540, #06121f); }
.kfx-cover-news { --kfx-cover-grad: linear-gradient(135deg, #3a1818, #1a0a0a); }
.kfx-cover-default { --kfx-cover-grad: linear-gradient(135deg, #1a2540, #0d1420); }

/* ============================================================
   PAGINATION
   ============================================================ */
.kfx-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 48px 0;
  flex-wrap: wrap;
}
.kfx-page-btn {
  padding: 12px 22px;
  background: var(--kfx-card);
  border: 1px solid var(--kfx-border);
  border-radius: var(--kfx-radius-sm);
  color: var(--kfx-text-2);
  font-weight: 600;
  font-size: 14px;
  transition: var(--kfx-tx);
  display: inline-flex;
  align-items: center;
}
.kfx-page-btn:hover {
  border-color: var(--kfx-accent);
  color: var(--kfx-accent);
  transform: translateY(-1px);
}
.kfx-page-btn.is-disabled {
  opacity: .35;
  pointer-events: none;
  cursor: not-allowed;
}
.kfx-page-indicator {
  font-family: var(--kfx-font-h);
  font-size: 14px;
  color: var(--kfx-muted);
}
.kfx-page-indicator b { color: var(--kfx-text); font-weight: 700; }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.kfx-empty {
  text-align: center;
  padding: 80px 24px;
  max-width: 480px;
  margin: 0 auto;
}
.kfx-empty-icon {
  font-size: 64px;
  margin-bottom: 24px;
  opacity: .6;
}
.kfx-empty h2 {
  font-family: var(--kfx-font-h);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--kfx-text);
}
.kfx-empty p {
  color: var(--kfx-text-2);
  margin-bottom: 24px;
  line-height: 1.6;
}

/* ============================================================
   FOOTER
   ============================================================ */
.kfx-footer { background:var(--kfx-card-2); border-top:1px solid var(--kfx-border); padding:48px 0 0; margin-top:32px; }
.kfx-footer-grid { display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:40px; margin-bottom:32px; }
.kfx-footer-brand .kfx-logo { margin-bottom:14px; }
.kfx-footer-brand p { color:var(--kfx-muted); font-size:13px; line-height:1.6; max-width:340px; margin:0; }
.kfx-footer-col h3 { font-size:12px; font-weight:700; color:var(--kfx-text); text-transform:uppercase; letter-spacing:.08em; margin-bottom:18px; }
.kfx-footer-col ul { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.kfx-footer-col a { color:var(--kfx-muted); font-size:13px; transition:var(--kfx-tx); }
.kfx-footer-col a:hover { color:var(--kfx-accent); }
.kfx-footer-bottom { border-top:1px solid var(--kfx-border); padding:20px 0; display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; font-size:12px; color:var(--kfx-muted); }
.kfx-disclaimer { display:inline-flex; align-items:center; gap:6px; padding:4px 10px; background:rgba(245,158,11,.08); border:1px solid rgba(245,158,11,.2); border-radius:6px; color:var(--kfx-warning); font-weight:500; font-size:11px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .kfx-search { min-width: 160px; }
  .kfx-featured-post { grid-template-columns: 1fr; }
  .kfx-featured-post-cover { min-height: 220px; }
  .kfx-featured-post-body { padding: 28px; }
  .kfx-post-grid { grid-template-columns: repeat(2, 1fr); }
  .kfx-footer-grid { grid-template-columns: 1fr 1fr; }
  .kfx-footer-brand { grid-column: 1/-1; }
}
@media (max-width: 768px) {
  .kfx-nav-links, .kfx-search { display: none; }
  .kfx-hamburger { display:grid; place-items:center; width:40px; height:40px; border:1px solid var(--kfx-border); border-radius:var(--kfx-radius-sm); color:var(--kfx-text); }
  .kfx-navbar .kfx-shell { gap:12px; }
  .kfx-logo { flex:1; }
  .kfx-cat-hero { padding: 56px 0 32px; }
  .kfx-cat-emoji { font-size: 44px; }
  .kfx-cat-chips {
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding: 0 24px;
    margin: 0 -24px;
    scrollbar-width: none;
  }
  .kfx-cat-chips::-webkit-scrollbar { display: none; }
  .kfx-post-grid { grid-template-columns: 1fr; }
  .kfx-pagination { gap: 12px; }
  .kfx-page-btn { padding: 10px 16px; font-size: 13px; }
}