/* =========================================================
   ATilton — Dark Developer Theme
   ========================================================= */

/* ── Fonts ──────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,400;0,500;0,700;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

/* ── Design tokens ──────────────────────────────────────── */
:root {
  --bg:           #0a0e17;
  --bg2:          #0f1523;
  --bg3:          #141c2e;
  --surface:      #1a2236;
  --surface2:     #1f293d;
  --border:       #243048;
  --border2:      #2d3d5c;

  --text:         #e2e8f4;
  --text2:        #8fa3c8;
  --text3:        #4d6080;
  --text-muted:   #3a4d66;

  --green:        #00d97e;
  --green-dim:    #00a85e;
  --cyan:         #38bdf8;
  --cyan-dim:     #0284c7;
  --purple:       #a78bfa;
  --purple-dim:   #7c3aed;
  --orange:       #fb923c;
  --red:          #f87171;
  --yellow:       #fbbf24;

  --accent:       #00d97e;
  --accent-glow:  rgba(0, 217, 126, 0.18);
  --accent-bg:    rgba(0, 217, 126, 0.07);

  --radius:       8px;
  --radius-lg:    12px;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --font-sans:    'Inter', system-ui, sans-serif;

  --transition:   0.18s ease;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
  /* Subtle grid texture */
  background-image:
    linear-gradient(rgba(0,217,126,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,217,126,.025) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ── Layout ─────────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.container--narrow { max-width: 780px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Links ──────────────────────────────────────────────── */
a { color: var(--cyan); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

/* ── Selection ──────────────────────────────────────────── */
::selection { background: var(--accent-glow); color: var(--accent); }

/* ═══════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 2rem;
}

/* ── Logo ───────────────────────────────────────────────── */
.site-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: var(--surface);
  border: 1px solid var(--border2);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

/* Terminal-style > cursor logo */
.logo-mark::before {
  content: '>';
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  position: relative;
  z-index: 1;
}

/* Scanline effect on logo */
.logo-mark::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,217,126,.04) 2px,
    rgba(0,217,126,.04) 4px
  );
  pointer-events: none;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-primary {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.02em;
}

.logo-primary span {
  color: var(--accent);
}

.logo-tld {
  font-family: var(--font-mono);
  font-size: .65rem;
  color: var(--text3);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-top: 1px;
}

.site-logo:hover .logo-mark {
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.site-logo:hover .logo-primary { color: var(--accent); }

/* ── Navigation ─────────────────────────────────────────── */
.site-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
}

.site-nav .nav-link,
.site-nav > a {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--text2);
  text-decoration: none;
  padding: .4rem .75rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.site-nav .nav-link:hover,
.site-nav > a:hover {
  color: var(--accent);
  background: var(--accent-bg);
  border-color: rgba(0,217,126,.2);
}

.site-nav .nav-link[aria-current="page"],
.site-nav > a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-bg);
  border-color: rgba(0,217,126,.25);
}

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--text2);
  padding: .4rem .75rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
  display: block;
}
.nav-dropdown:hover > a { color: var(--accent); background: var(--accent-bg); border-color: rgba(0,217,126,.2); }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: .4rem;
  list-style: none;
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
  z-index: 200;
}
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-menu li a {
  display: block;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--text2);
  padding: .45rem .7rem;
  border-radius: 6px;
}
.nav-dropdown-menu li a:hover { color: var(--accent); background: var(--accent-bg); }

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text2);
  padding: .4rem .65rem;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
}
.nav-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* ── Terminal prompt in header (decorative) ─────────────── */
.header-prompt {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--text3);
  display: flex;
  align-items: center;
  gap: .4rem;
  margin-left: auto;
  flex-shrink: 0;
}
.header-prompt .prompt-sym { color: var(--accent); }
.header-prompt .cursor {
  display: inline-block;
  width: 7px;
  height: 13px;
  background: var(--accent);
  animation: blink 1.1s step-end infinite;
  vertical-align: middle;
}
@keyframes blink { 50% { opacity: 0; } }

/* ═══════════════════════════════════════════════════════════
   MAIN CONTENT
   ═══════════════════════════════════════════════════════════ */
.site-main { padding: 3rem 0 5rem; min-height: 70vh; }

/* ── Section header / page title ────────────────────────── */
.section-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.section-header::before {
  content: '// ';
  font-family: var(--font-mono);
  color: var(--text3);
  font-size: .85rem;
}

.section-title {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--text2);
  letter-spacing: .05em;
  display: inline;
}

/* ── Post Grid (home) ───────────────────────────────────── */
.posts-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

.post-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  opacity: 0;
  transition: opacity var(--transition);
}

.post-card:hover {
  border-color: var(--border2);
  box-shadow: 0 4px 24px rgba(0,0,0,.35), 0 0 0 1px rgba(0,217,126,.08);
  transform: translateY(-2px);
}

.post-card:hover::before { opacity: 1; }

.post-card-image a { display: block; }
.post-card-image img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  filter: brightness(.9) saturate(.85);
  transition: filter var(--transition);
}
.post-card:hover .post-card-image img { filter: brightness(1) saturate(1); }

.post-card-body { padding: 1.25rem 1.375rem; flex: 1; display: flex; flex-direction: column; }

.post-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--text3);
  margin-bottom: .625rem;
}

.post-meta .meta-date::before { content: '📅 '; }
.post-meta .meta-author { color: var(--accent); }
.post-meta .meta-author::before { content: '$ '; }

.post-title {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: .625rem;
}

.post-title a { color: var(--text); }
.post-title a:hover { color: var(--accent); }

.post-excerpt {
  font-size: .88rem;
  color: var(--text2);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 1rem;
}

.read-more {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--accent);
  font-weight: 500;
  align-self: flex-start;
  padding: .3rem .7rem;
  border: 1px solid rgba(0,217,126,.3);
  border-radius: 5px;
  transition: all var(--transition);
}
.read-more:hover {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text3);
}
.empty-state::before {
  content: '$ ls posts/';
  display: block;
  font-family: var(--font-mono);
  font-size: .85rem;
  color: var(--text3);
  margin-bottom: .75rem;
}
.empty-state h2 { font-family: var(--font-mono); color: var(--text2); font-size: 1rem; }
.empty-state p { font-size: .85rem; margin-top: .4rem; }

/* ── Single Post / Page ─────────────────────────────────── */
.single-post, .page-content {
  max-width: 740px;
  margin: 0 auto;
}

.post-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

/* Breadcrumb-style path */
.post-breadcrumb {
  font-family: var(--font-mono);
  font-size: .73rem;
  color: var(--text3);
  margin-bottom: .875rem;
}
.post-breadcrumb a { color: var(--text3); }
.post-breadcrumb a:hover { color: var(--accent); }
.post-breadcrumb .sep { margin: 0 .35rem; opacity: .5; }

.single-post .post-title,
.page-content h1.page-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: .875rem;
  letter-spacing: -.02em;
}

.post-header .post-meta {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--text3);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.post-header .post-meta .meta-author { color: var(--accent); }

/* Featured image */
.post-featured-image {
  margin-bottom: 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.post-featured-image img { width: 100%; display: block; }

/* ── Post Content Typography ────────────────────────────── */
.post-content {
  font-size: .975rem;
  line-height: 1.8;
  color: var(--text2);
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
  font-family: var(--font-sans);
  color: var(--text);
  margin: 2.25rem 0 .875rem;
  line-height: 1.35;
  font-weight: 600;
}
.post-content h2 { font-size: 1.35rem; }
.post-content h3 { font-size: 1.1rem; }
.post-content h4 { font-size: .95rem; font-family: var(--font-mono); color: var(--accent); text-transform: uppercase; letter-spacing: .07em; }

.post-content p { margin-bottom: 1.1rem; }

.post-content a { color: var(--cyan); border-bottom: 1px solid rgba(56,189,248,.3); }
.post-content a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.post-content strong { color: var(--text); font-weight: 600; }
.post-content em { color: var(--text); font-style: italic; }

/* Inline code */
.post-content code {
  font-family: var(--font-mono);
  font-size: .85em;
  background: var(--surface);
  color: var(--cyan);
  padding: .15em .4em;
  border-radius: 4px;
  border: 1px solid var(--border2);
}

/* Code blocks */
.post-content pre {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.25rem 1.375rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  position: relative;
}
.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: .84rem;
  line-height: 1.7;
}
/* Copy hint on code blocks */
.post-content pre::before {
  content: attr(data-lang);
  position: absolute;
  top: .5rem;
  right: .75rem;
  font-family: var(--font-mono);
  font-size: .65rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: .07em;
}

/* Blockquote */
.post-content blockquote {
  border-left: 3px solid var(--purple);
  background: rgba(167,139,250,.05);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text2);
  font-style: italic;
}
.post-content blockquote p { margin-bottom: 0; }

/* Lists */
.post-content ul, .post-content ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.post-content li { margin-bottom: .35rem; }
.post-content ul li::marker { color: var(--accent); }
.post-content ol li::marker { color: var(--accent); font-family: var(--font-mono); font-size: .85em; }

/* Tables */
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: .88rem;
}
.post-content th {
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .65rem 1rem;
  border-bottom: 2px solid var(--accent);
  text-align: left;
}
.post-content td { padding: .6rem 1rem; border-bottom: 1px solid var(--border); color: var(--text2); }
.post-content tr:hover td { background: var(--surface); }

/* Images */
.post-content img { max-width: 100%; border-radius: var(--radius); border: 1px solid var(--border); }

/* Horizontal rule */
.post-content hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

/* ── Back link ──────────────────────────────────────────── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: 2.5rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--text3);
  padding: .4rem .875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.back-link::before { content: '←'; }
.back-link:hover { color: var(--accent); border-color: rgba(0,217,126,.3); background: var(--accent-bg); }

/* ── Tags ────────────────────────────────────────────────── */
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.post-tag {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--text3);
  background: var(--surface);
  border: 1px solid var(--border2);
  padding: .2rem .55rem;
  border-radius: 4px;
  text-decoration: none;
  transition: all var(--transition);
}
.post-tag:hover { color: var(--accent); border-color: rgba(0,217,126,.35); background: var(--accent-bg); }
.post-tag::before { content: '#'; opacity: .5; margin-right: .15rem; }

/* ═══════════════════════════════════════════════════════════
   SHORTCODE STYLES
   ═══════════════════════════════════════════════════════════ */
.cms-btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 500;
  padding: .45rem 1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-decoration: none;
  transition: all var(--transition);
}
.cms-btn-primary  { background: var(--accent); color: #021a0d; border-color: var(--accent); }
.cms-btn-primary:hover { background: #00ff93; color: #021a0d; border-color: #00ff93; }
.cms-btn-secondary{ background: var(--surface); color: var(--text2); border-color: var(--border2); }
.cms-btn-secondary:hover { color: var(--accent); border-color: rgba(0,217,126,.3); }
.cms-btn-outline  { background: transparent; color: var(--accent); border-color: rgba(0,217,126,.4); }
.cms-btn-outline:hover { background: var(--accent-bg); border-color: var(--accent); }
.cms-btn-sm { font-size: .72rem; padding: .3rem .7rem; }
.cms-btn-lg { font-size: .95rem; padding: .65rem 1.5rem; }

.cms-alert { padding: .875rem 1.125rem; border-radius: var(--radius); border-left: 3px solid; margin: 1rem 0; font-size: .9rem; }
.cms-alert-info    { background: rgba(56,189,248,.07); border-color: var(--cyan); color: var(--text2); }
.cms-alert-success { background: rgba(0,217,126,.07); border-color: var(--green); color: var(--text2); }
.cms-alert-warning { background: rgba(251,191,36,.07); border-color: var(--yellow); color: var(--text2); }
.cms-alert-danger  { background: rgba(248,113,113,.07); border-color: var(--red); color: var(--text2); }

.cms-columns { display: grid; gap: 1.5rem; }
.cms-columns-2 { grid-template-columns: repeat(2, 1fr); }
.cms-columns-3 { grid-template-columns: repeat(3, 1fr); }
.cms-columns-4 { grid-template-columns: repeat(4, 1fr); }

.cms-divider { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }
.cms-spacer  { display: block; }

.cms-recent-posts { list-style: none; padding: 0; }
.cms-recent-posts li { padding: .45rem 0; border-bottom: 1px solid var(--border); font-size: .88rem; }
.cms-recent-posts li:last-child { border-bottom: none; }
.cms-post-date { font-family: var(--font-mono); font-size: .7rem; color: var(--text3); margin-left: .5rem; }

/* ═══════════════════════════════════════════════════════════
   WIDGETS
   ═══════════════════════════════════════════════════════════ */
.widget-area { display: flex; flex-direction: column; gap: 1.5rem; }

.widget {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.375rem;
}

.widget-title {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text3);
  margin-bottom: 1rem;
  padding-bottom: .625rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.widget-title::before { content: '//'; color: var(--accent); opacity: .6; }

.widget-search { display: flex; gap: .5rem; }
.widget-search-input {
  flex: 1;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: .45rem .75rem;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: .82rem;
  outline: none;
  transition: border-color var(--transition);
}
.widget-search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }
.widget-search-btn {
  background: var(--surface);
  border: 1px solid var(--border2);
  color: var(--text2);
  border-radius: var(--radius);
  padding: .45rem .75rem;
  cursor: pointer;
  transition: all var(--transition);
  font-size: .85rem;
}
.widget-search-btn:hover { color: var(--accent); border-color: var(--accent); }

.widget-posts { list-style: none; padding: 0; }
.widget-posts li { padding: .45rem 0; border-bottom: 1px solid var(--border); }
.widget-posts li:last-child { border-bottom: none; }
.widget-posts a { font-size: .86rem; color: var(--text2); }
.widget-posts a:hover { color: var(--accent); }
.widget-post-date { font-family: var(--font-mono); font-size: .68rem; color: var(--text3); }

.widget-categories { list-style: none; padding: 0; }
.widget-categories li { padding: .35rem 0; border-bottom: 1px solid var(--border); font-size: .86rem; }
.widget-categories li:last-child { border-bottom: none; }
.widget-categories a { color: var(--text2); }
.widget-categories a::before { content: '> '; font-family: var(--font-mono); color: var(--accent); }
.widget-categories a:hover { color: var(--accent); }
.widget-cat-count { font-family: var(--font-mono); font-size: .7rem; color: var(--text3); }

.widget-social { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.widget-social-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .78rem;
  color: var(--text3);
  padding: .3rem .65rem;
  border: 1px solid var(--border2);
  border-radius: 5px;
  transition: all var(--transition);
}
.widget-social-link:hover { color: var(--accent); border-color: rgba(0,217,126,.3); background: var(--accent-bg); }
.widget-image { max-width: 100%; border-radius: var(--radius); display: block; }

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand .logo-primary { font-size: .95rem; }
.footer-tagline {
  font-size: .8rem;
  color: var(--text3);
  margin-top: .5rem;
  line-height: 1.6;
  max-width: 220px;
  font-family: var(--font-mono);
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text3);
  margin-bottom: .875rem;
}

.footer-nav { list-style: none; padding: 0; }
.footer-nav li { margin-bottom: .3rem; }
.footer-nav a { font-size: .83rem; color: var(--text3); }
.footer-nav a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
}

.footer-copyright {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--text3);
}
.footer-copyright .accent { color: var(--accent); }

.footer-tech {
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.footer-tech .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .4; transform: scale(.7); }
}

/* ═══════════════════════════════════════════════════════════
   404
   ═══════════════════════════════════════════════════════════ */
.error-404 {
  text-align: center;
  padding: 6rem 2rem;
}
.error-404-code {
  font-family: var(--font-mono);
  font-size: 7rem;
  font-weight: 900;
  line-height: 1;
  color: var(--border2);
  margin-bottom: 1rem;
  letter-spacing: -.04em;
  background: linear-gradient(135deg, var(--border2), var(--surface2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.error-404-msg {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--red);
  margin-bottom: .5rem;
}
.error-404-msg::before { content: '// '; color: var(--text3); }
.error-404 p { font-size: .9rem; color: var(--text3); margin-bottom: 1.5rem; }
.error-404 a.btn-home {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--accent);
  border: 1px solid rgba(0,217,126,.35);
  padding: .5rem 1.25rem;
  border-radius: var(--radius);
  transition: all var(--transition);
  display: inline-block;
}
.error-404 a.btn-home:hover { background: var(--accent-bg); border-color: var(--accent); }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (min-width: 640px) {
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .posts-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 1.75rem; }
}

@media (max-width: 640px) {
  .site-header .container { height: 56px; }
  .header-prompt { display: none; }
  .site-nav { display: none; position: absolute; top: 56px; left: 0; right: 0;
    background: var(--bg2); border-bottom: 1px solid var(--border);
    flex-direction: column; padding: .75rem; gap: .2rem; }
  .site-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cms-columns-2,.cms-columns-3,.cms-columns-4 { grid-template-columns: 1fr; }
  .single-post .post-title, .page-content h1.page-title { font-size: 1.6rem; }
}

/* ── Utility: fade-in on load ───────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.posts-grid .post-card { animation: fadeUp .35s ease both; }
.posts-grid .post-card:nth-child(2) { animation-delay: .06s; }
.posts-grid .post-card:nth-child(3) { animation-delay: .12s; }
.posts-grid .post-card:nth-child(4) { animation-delay: .18s; }
.posts-grid .post-card:nth-child(5) { animation-delay: .24s; }
.posts-grid .post-card:nth-child(6) { animation-delay: .30s; }