/* =============================================
   TechBy HM - Main Stylesheet
   Cloud & Infrastructure Theme
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&family=Syne:wght@700;800&display=swap');

/* ---- CSS Variables ---- */
:root {
  --blue-primary: #0078d4;
  --blue-dark: #005a9e;
  --blue-light: #deecf9;
  --green: #107c10;
  --purple: #5c2d91;
  --orange: #d83b01;
  --bg-dark: #0a0e1a;
  --bg-card: #0f1629;
  --bg-section: #111827;
  --text-primary: #f0f4ff;
  --text-secondary: #8892a4;
  --text-muted: #4b5563;
  --border: rgba(0,120,212,0.18);
  --grid-color: rgba(0,120,212,0.06);
  --glow: 0 0 30px rgba(0,120,212,0.25);
  --glow-strong: 0 0 60px rgba(0,120,212,0.4);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.25s ease;
  --font: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--blue-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: #4dabf7; }
img { max-width: 100%; height: auto; display: block; }

/* ---- Grid background ---- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* ---- Layout ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 24px; }
.page-wrapper { position: relative; z-index: 1; }

/* ---- NAVIGATION ---- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10,14,26,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 0.88rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
  color: var(--text-primary);
}
.navbar-brand .brand-name {
  background: linear-gradient(135deg, #fff 30%, #4dabf7 70%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: 'Exo 2', 'Segoe UI', sans-serif;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.navbar-brand .brand-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--blue-primary), var(--purple));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: #fff;
  box-shadow: var(--glow);
}
.navbar-brand span.brand-dot { color: var(--blue-primary); }
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.navbar-nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  transition: all var(--transition);
}
.navbar-nav a:hover, .navbar-nav a.active {
  color: var(--text-primary);
  background: rgba(0,120,212,0.12);
}
.navbar-search {
  flex: 1; max-width: 280px;
  position: relative;
}
.navbar-search input {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 7px 16px 7px 38px;
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: all var(--transition);
}
.navbar-search input::placeholder { color: var(--text-muted); }
.navbar-search input:focus { border-color: var(--blue-primary); background: rgba(0,120,212,0.08); box-shadow: var(--glow); }
.navbar-search .search-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 0.8rem;
}
.btn-nav-admin {
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-dark));
  color: #fff !important;
  padding: 7px 16px !important;
  border-radius: 6px !important;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  box-shadow: 0 2px 12px rgba(0,120,212,0.3);
}
.btn-nav-admin:hover { transform: translateY(-1px); box-shadow: var(--glow); }
.hamburger { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.4rem; cursor: pointer; }

/* ---- HERO ---- */
.hero {
  position: relative;
  padding: 80px 0 72px;
  overflow: hidden;
  text-align: center;
}
.hero-bg-orbs {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.hero-bg-orbs span {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
}
.hero-bg-orbs span:nth-child(1) { width: 500px; height: 500px; background: var(--blue-primary); top: -100px; left: -100px; }
.hero-bg-orbs span:nth-child(2) { width: 400px; height: 400px; background: var(--purple); bottom: -80px; right: -60px; }
.hero-bg-orbs span:nth-child(3) { width: 300px; height: 300px; background: var(--green); top: 50%; left: 50%; transform: translate(-50%,-50%); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(0,120,212,0.12);
  border: 1px solid rgba(0,120,212,0.3);
  border-radius: 24px;
  padding: 5px 16px;
  font-size: 0.8rem;
  color: #4dabf7;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 30%, #4dabf7 70%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 36px;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 40px; justify-content: center; flex-wrap: wrap;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.hero-stat { text-align: center; }
.hero-stat .stat-num { font-size: 2rem; font-weight: 800; color: var(--blue-primary); }
.hero-stat .stat-label { font-size: 0.8rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.08em; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.9rem;
  cursor: pointer; border: none;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,120,212,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--glow-strong); color: #fff; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--blue-primary); background: rgba(0,120,212,0.08); color: var(--text-primary); }
.btn-sm { padding: 7px 16px; font-size: 0.82rem; }
.btn-danger { background: #c0392b; color: #fff; }
.btn-danger:hover { background: #a93226; }
.btn-success { background: var(--green); color: #fff; }
.btn-success:hover { background: #0a5c0a; }

/* ---- SECTION ---- */
.section { padding: 72px 0; }
.section-alt { background: rgba(255,255,255,0.02); }
.section-title {
  font-size: 1.75rem; font-weight: 700;
  margin-bottom: 8px;
}
.section-sub { color: var(--text-secondary); margin-bottom: 40px; font-size: 1rem; }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; flex-wrap: wrap; gap: 12px; }

/* ---- CARDS ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}
.card:hover { transform: translateY(-4px); border-color: rgba(0,120,212,0.4); box-shadow: var(--glow); }
/* Stretched link: covers the whole card */
.stretched-link::after { position:absolute; inset:0; content:''; z-index:0; cursor:pointer; }
.card-img { width: 100%; height: 200px; object-fit: cover; background: linear-gradient(135deg, var(--bg-section), var(--bg-card)); }
.card-img-placeholder {
  width: 100%; height: 200px;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: var(--text-muted);
  background: linear-gradient(135deg, rgba(0,120,212,0.08) 0%, rgba(92,45,145,0.08) 100%);
}
.card-body { padding: 20px 22px; }
.card-category {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--blue-primary);
  margin-bottom: 10px;
}
.card-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.card-title a { color: var(--text-primary); }
.card-title a:hover { color: var(--blue-primary); }
.card-excerpt { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.6; margin-bottom: 16px; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; }
.card-meta { display: flex; align-items: center; gap: 14px; font-size: 0.78rem; color: var(--text-muted); flex-wrap: wrap; }
.card-meta i { color: var(--blue-primary); }
.card-tag {
  display: inline-block;
  background: rgba(0,120,212,0.1);
  border: 1px solid rgba(0,120,212,0.2);
  color: #4dabf7;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.72rem;
  font-weight: 500;
  margin: 2px;
}

/* ---- GRID ---- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1024px) { .grid-3 { grid-template-columns: repeat(2,1fr); } .grid-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px)  { .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; } }

/* ---- CATEGORIES ---- */
.cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
  transition: all var(--transition);
  cursor: pointer;
}
.cat-card:hover { border-color: var(--cat-color, var(--blue-primary)); box-shadow: 0 0 24px color-mix(in srgb, var(--cat-color, #0078d4) 30%, transparent); transform: translateY(-3px); }
.cat-icon {
  width: 48px; height: 48px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  color: #fff;
  background: linear-gradient(135deg, var(--cat-color, #0078d4), color-mix(in srgb, var(--cat-color, #0078d4) 70%, #000));
}
.cat-name { font-weight: 700; font-size: 1rem; }
.cat-count { font-size: 0.8rem; color: var(--text-muted); }
.cat-desc { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.5; }

/* ---- FEATURED ARTICLE ---- */
.featured-article {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid; grid-template-columns: 1fr 1fr;
  transition: all var(--transition);
}
.featured-article:hover { border-color: rgba(0,120,212,0.4); box-shadow: var(--glow); }
.featured-img {
  background: linear-gradient(135deg, rgba(0,120,212,0.15), rgba(92,45,145,0.15));
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem; min-height: 280px;
  color: rgba(0,120,212,0.4);
}
.featured-img img { width: 100%; height: 100%; object-fit: cover; }
.featured-body { padding: 36px; display: flex; flex-direction: column; justify-content: center; }
.featured-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(0,120,212,0.12); border: 1px solid rgba(0,120,212,0.3);
  border-radius: 4px; padding: 3px 10px;
  font-size: 0.72rem; font-weight: 700; color: #4dabf7;
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 14px; width: fit-content;
}
.featured-body h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 12px; line-height: 1.3; }
.featured-body h2 a { color: var(--text-primary); }
.featured-body h2 a:hover { color: var(--blue-primary); }
.featured-body p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 20px; }
@media (max-width: 768px) { .featured-article { grid-template-columns: 1fr; } .featured-img { min-height: 200px; } }

/* ---- ARTICLE CONTENT ---- */
.article-header { padding: 56px 0 40px; margin-bottom: 48px; }
.article-header h1 { font-size: clamp(1.6rem, 4vw, 2.5rem); font-weight: 800; line-height: 1.2; margin-bottom: 16px; }
.article-meta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; color: var(--text-muted); font-size: 0.85rem; }
.article-meta i { color: var(--blue-primary); }
.article-tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px; }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
@media (max-width: 900px) { .article-layout { grid-template-columns: 1fr; } }

/* ---- READING PROGRESS BAR ---- */
#reading-progress {
  position: fixed; top: 0; left: 0; width: 0%; height: 3px; z-index: 9999;
  background: linear-gradient(90deg, var(--blue-primary), #60a5fa, var(--purple));
  transition: width 0.08s linear;
  border-radius: 0 2px 2px 0;
}

/* ---- ARTICLE CONTENT (prose) ---- */
.article-content { font-size: 1.01rem; line-height: 1.85; color: #bfcfe0; }

/* Paragraphe */
.article-content p { margin-bottom: 18px; }

/* Listes avec puce personnalisée */
.article-content ul { padding-left: 0; margin-bottom: 18px; list-style: none; }
.article-content ul li {
  position: relative; padding-left: 22px; margin-bottom: 9px;
}
.article-content ul li::before {
  content: ''; position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px; background: var(--blue-primary);
  border-radius: 50%; box-shadow: 0 0 6px rgba(0,120,212,0.6);
}
.article-content ol { padding-left: 28px; margin-bottom: 18px; }
.article-content ol li { margin-bottom: 9px; }
.article-content li ul, .article-content li ol { margin-top: 6px; margin-bottom: 4px; }

/* Inline */
.article-content strong { color: #f0f4ff; font-weight: 700; }
.article-content em { color: #93c5fd; font-style: italic; }
.article-content a { color: #60a5fa; text-decoration: underline; text-underline-offset: 3px; transition: color 0.15s; }
.article-content a:hover { color: #93c5fd; }

/* Blockquote */
.article-content blockquote {
  border-left: 3px solid var(--blue-primary);
  background: rgba(0,120,212,0.07);
  padding: 16px 20px; margin: 24px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary); font-style: italic;
}

/* Callout boxes (classes TinyMCE) */
.article-content .callout,
.article-content p.callout { border-radius: var(--radius-sm); padding: 14px 18px; margin: 20px 0; font-style: normal; border-left: 4px solid; }
.article-content .callout-info  { background:rgba(59,130,246,0.09);  border-color:#3b82f6; color:#93c5fd; }
.article-content .callout-warn  { background:rgba(245,158,11,0.13);  border-color:#f59e0b; color:#fcd34d; }
.article-content .callout-error { background:rgba(239,68,68,0.09);   border-color:#ef4444; color:#fca5a5; }
.article-content .callout-ok    { background:rgba(34,197,94,0.09);   border-color:#22c55e; color:#86efac; }
.article-content .callout-nb    { background:rgba(239,68,68,0.09);   border-color:#ef4444; color:#fca5a5; }

/* Code inline */
.article-content code {
  font-family: var(--mono); font-size: 0.875rem; color: #79c0ff;
}
.article-content p code, .article-content li code, .article-content td code {
  background: rgba(0,120,212,0.13); padding: 2px 6px;
  border-radius: 4px; font-size: 0.85em; color: #93c5fd;
}

/* Code blocks (override par hljs plus bas) */
.article-content pre {
  background: #0d1117; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 20px;
  overflow-x: auto; margin: 24px 0;
}

/* Images */
.article-content img {
  border-radius: var(--radius);
  margin: 28px auto; max-width: 100%; height: auto; display: block;
  box-shadow: 0 8px 32px rgba(0,0,0,0.55), 0 0 0 1px var(--border);
}

/* HR */
.article-content hr { border: none; border-top: 1px solid var(--border); margin: 36px 0; }

/* Tables */
/* ---- SIDEBAR ---- */
.sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.widget-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.sidebar-cat-list { list-style: none; }
.sidebar-cat-list li { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
.sidebar-cat-list li:last-child { border-bottom: none; }
.sidebar-cat-list a { color: var(--text-secondary); font-size: 0.875rem; display: flex; align-items: center; gap: 8px; }
.sidebar-cat-list a:hover { color: var(--blue-primary); }
.sidebar-cat-badge { background: rgba(0,120,212,0.12); color: var(--blue-primary); border-radius: 12px; padding: 1px 8px; font-size: 0.72rem; font-weight: 600; }
.recent-post { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
.recent-post:last-child { border-bottom: none; }
.recent-post-img { width: 56px; height: 56px; border-radius: 6px; object-fit: cover; background: rgba(0,120,212,0.1); display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 1.2rem; flex-shrink: 0; }
.recent-post-info h5 { font-size: 0.82rem; font-weight: 600; line-height: 1.4; margin-bottom: 4px; }
.recent-post-info h5 a { color: var(--text-primary); }
.recent-post-info h5 a:hover { color: var(--blue-primary); }
.recent-post-info span { font-size: 0.72rem; color: var(--text-muted); }

/* ---- ABOUT SECTION ---- */
.about-hero { padding: 80px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; align-items: center; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }
.about-avatar {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 20px;
}
.avatar-img {
  width: 220px; height: 220px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-primary), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-size: 6rem; color: rgba(255,255,255,0.9);
  box-shadow: 0 0 60px rgba(0,120,212,0.4), 0 0 120px rgba(92,45,145,0.2);
  position: relative;
  overflow: hidden;
}
.avatar-img img { width: 100%; height: 100%; object-fit: cover; }
.avatar-ring {
  position: absolute; inset: -8px; border-radius: 50%;
  border: 2px solid rgba(0,120,212,0.3);
  animation: ring-pulse 3s ease-in-out infinite;
}
@keyframes ring-pulse { 0%, 100% { transform: scale(1); opacity: 0.4; } 50% { transform: scale(1.05); opacity: 0.8; } }
.about-badges { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.about-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 5px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex; align-items: center; gap: 5px;
}
.about-badge i { color: var(--blue-primary); }
.about-content h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 8px; }
.about-content .role {
  font-size: 1.1rem; font-weight: 500;
  background: linear-gradient(90deg, var(--blue-primary), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 20px;
}
.about-content p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 14px; }
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 24px 0; }
.skill-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  display: flex; align-items: center; gap: 10px;
}
.skill-icon { font-size: 1.1rem; }
.skill-name { font-size: 0.85rem; font-weight: 600; }
.skill-level {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.expertise-bars { display: flex; flex-direction: column; gap: 14px; margin: 24px 0; }
.exp-bar-item {}
.exp-bar-header { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 0.85rem; font-weight: 600; }
.exp-bar-track { height: 6px; background: rgba(255,255,255,0.07); border-radius: 99px; overflow: hidden; }
.exp-bar-fill { height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--blue-primary), var(--purple)); }
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 640px) { .cert-grid { grid-template-columns: 1fr 1fr; } .skills-grid { grid-template-columns: 1fr; } }
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: all var(--transition);
}
.cert-card:hover { border-color: var(--blue-primary); transform: translateY(-3px); box-shadow: var(--glow); }
.cert-icon { font-size: 2rem; margin-bottom: 8px; }
.cert-name { font-size: 0.8rem; font-weight: 700; }
.cert-issuer { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content:''; position:absolute; left:8px; top:0; bottom:0; width:2px; background:linear-gradient(180deg, var(--blue-primary), var(--purple)); border-radius:2px; }
.timeline-item { position: relative; margin-bottom: 28px; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px; top: 5px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--blue-primary);
  box-shadow: 0 0 8px var(--blue-primary);
  border: 2px solid var(--bg-dark);
}
.timeline-date { font-size: 0.78rem; color: var(--blue-primary); font-weight: 600; margin-bottom: 3px; }
.timeline-title { font-weight: 700; font-size: 0.95rem; margin-bottom: 3px; }
.timeline-desc { font-size: 0.85rem; color: var(--text-secondary); }
.timeline-desc-list { font-size: 0.78rem !important; color: var(--text-secondary); margin: 4px 0 0 14px; padding: 0; list-style: disc; font-weight: 400 !important; line-height: 1.45; }
.timeline-desc-list li { margin-bottom: 1px; font-size: 0.78rem !important; font-weight: 400 !important; }

/* ---- PAGINATION ---- */
.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
.page-link {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition);
}
.page-link:hover, .page-link.active {
  background: var(--blue-primary);
  border-color: var(--blue-primary);
  color: #fff;
}

/* ---- SEARCH PAGE ---- */
.search-header { padding: 48px 0 32px; border-bottom: 1px solid var(--border); margin-bottom: 40px; }
.search-bar { display: flex; gap: 0; max-width: 700px; margin-bottom: 16px; }
.search-bar input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  padding: 12px 18px;
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
}
.search-bar input:focus { border-color: var(--blue-primary); }
.search-bar button { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 12px 24px; }

/* ---- TAGS CLOUD ---- */
.tags-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item {
  display: inline-flex; align-items: center; gap: 4px;
  background: rgba(0,120,212,0.07);
  border: 1px solid rgba(0,120,212,0.15);
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 0.82rem;
  transition: all var(--transition);
}
.tag-item:hover { background: rgba(0,120,212,0.15); border-color: var(--blue-primary); color: #4dabf7; }

/* ---- ALERTS ---- */
.alert { padding: 12px 18px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 0.9rem; display: flex; align-items: flex-start; gap: 10px; }
.alert-success { background: rgba(16,124,16,0.12); border: 1px solid rgba(16,124,16,0.3); color: #6fcf6f; }
.alert-error { background: rgba(208,52,44,0.12); border: 1px solid rgba(208,52,44,0.3); color: #f28b82; }
.alert-info { background: rgba(0,120,212,0.1); border: 1px solid rgba(0,120,212,0.3); color: #4dabf7; }

/* ---- FOOTER ---- */
.footer {
  background: rgba(0,0,0,0.3);
  border-top: 1px solid var(--border);
  padding: 56px 0 0;
  margin-top: 80px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { }
.footer-brand .brand-name { font-weight: 800; font-size: 1.2rem; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-brand p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.6; max-width: 280px; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.social-link {
  width: 38px; height: 38px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  transition: all var(--transition);
  font-size: 0.9rem;
}
.social-link:hover { border-color: var(--blue-primary); color: var(--blue-primary); transform: translateY(-2px); }
.footer-col-title { font-weight: 700; font-size: 0.9rem; margin-bottom: 16px; color: var(--text-primary); }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--text-secondary); font-size: 0.875rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--blue-primary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
  font-size: 0.8rem; color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--blue-primary); }

/* ---- BREADCRUMB ---- */
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; flex-wrap: wrap; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--blue-primary); }
.breadcrumb i { font-size: 0.6rem; }

/* ---- RESPONSIVE NAV ---- */
@media (max-width: 900px) {
  .navbar-nav { display: none; }
  .navbar-nav.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: rgba(10,14,26,0.98); border-bottom: 1px solid var(--border); padding: 16px; gap: 2px; z-index: 999; }
  .navbar-search { max-width: 200px; }
  .hamburger { display: block; }
}
@media (max-width: 600px) { .navbar-search { display: none; } }

/* ---- MISC ---- */
.no-results { text-align: center; padding: 60px 20px; }
.no-results .no-icon { font-size: 3rem; color: var(--text-muted); margin-bottom: 16px; }
.no-results h3 { font-size: 1.2rem; margin-bottom: 8px; }
.no-results p { color: var(--text-secondary); font-size: 0.9rem; }
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-published { background: rgba(16,124,16,0.15); color: #6fcf6f; }
.badge-draft { background: rgba(255,165,0,0.12); color: #ffa94d; }
.tech-label {
  display: inline-flex; align-items: center; gap: 4px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}
.views-counter { display: flex; align-items: center; gap: 4px; color: var(--text-muted); font-size: 0.78rem; }

/* Fallback — non-hljs blocks */
.article-content pre:not([class]) code,
.article-content pre code:not(.hljs) {
  font-family: var(--mono) !important;
  font-size: 0.875rem !important;
  color: #abb2bf !important;
  display: block;
  padding: 12px 20px 16px !important;
  overflow-x: auto;
}