/* ================================================
   OWLNET GEEK — Design System
   Dark Cyberpunk Theme
   ================================================ */

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

/* ── TOKENS ─────────────────────────────────── */
:root {
  --bg-primary:    #07070f;
  --bg-secondary:  #0d0d1a;
  --bg-card:       #10101e;
  --bg-card-hover: #14142a;

  --accent-purple: #7c3aed;
  --accent-cyan:   #06b6d4;
  --accent-green:  #10b981;
  --accent-orange: #f59e0b;
  --accent-pink:   #ec4899;

  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #475569;

  --border:        rgba(124, 58, 237, 0.15);
  --border-hover:  rgba(6, 182, 212, 0.4);

  --glow-purple: 0 0 30px rgba(124, 58, 237, 0.25);
  --glow-cyan:   0 0 30px rgba(6, 182, 212, 0.25);
  --glow-soft:   0 4px 32px rgba(124, 58, 237, 0.12);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  --font-mono: 'JetBrains Mono', monospace;
  --font-body: 'Inter', sans-serif;

  --navbar-h: 70px;
}

/* ── RESET ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── IMAGE PROTECTION (anti-vol) ───────────── */
img {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  pointer-events: none;
}

/* Overlay transparent sur les conteneurs d'images pour bloquer clic-droit */
.news-card-image-wrap,
.about-avatar-wrap,
.formation-icon,
.episode-hero {
  position: relative;
}
.news-card-image-wrap::after,
.about-avatar-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 5;
  background: transparent;
  pointer-events: auto;
}

/* Garder les liens cliquables au-dessus de l'overlay */
.news-card-body,
.news-card-link,
.about-content { position: relative; z-index: 10; }

/* ── SCROLLBAR ──────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--accent-purple); border-radius: 3px; }

/* ── UTILITY ────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-purple { background: rgba(124,58,237,.18); color: #a78bfa; border: 1px solid rgba(124,58,237,.3); }
.badge-cyan   { background: rgba(6,182,212,.15);  color: #67e8f9; border: 1px solid rgba(6,182,212,.3); }
.badge-green  { background: rgba(16,185,129,.15); color: #6ee7b7; border: 1px solid rgba(16,185,129,.3);}
.badge-orange { background: rgba(245,158,11,.15); color: #fcd34d; border: 1px solid rgba(245,158,11,.3);}
.badge-new {
  background: linear-gradient(135deg, rgba(236,72,153,.2), rgba(124,58,237,.2));
  color: #f9a8d4;
  border: 1px solid rgba(236,72,153,.4);
  animation: pulse-new 2s ease-in-out infinite;
}

.tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(124,58,237,.1);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-purple);
  transition: var(--transition);
}
.tag:hover {
  background: rgba(124,58,237,.2);
  border-color: rgba(124,58,237,.4);
  color: #a78bfa;
}

/* ── UI COMPONENTS Premium ──────────────────── */
.hover-glow {
  position: relative;
}
.hover-glow::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  background: radial-gradient(
    600px circle at var(--mouse-x, 0) var(--mouse-y, 0),
    rgba(6, 182, 212, 0.12),
    transparent 40%
  );
  z-index: 10;
}
.hover-glow:hover::after {
  opacity: 1;
}

/* Terminal MacOS */
.owl-terminal {
  background: #0d0d16;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin: 16px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.owl-terminal-header {
  background: #151525;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.owl-terminal-dots {
  display: flex;
  gap: 6px;
}
.owl-terminal-dots span {
  width: 12px; height: 12px; border-radius: 50%;
}
.owl-terminal-dots span:nth-child(1) { background: #ff5f56; }
.owl-terminal-dots span:nth-child(2) { background: #ffbd2e; }
.owl-terminal-dots span:nth-child(3) { background: #27c93f; }
.owl-terminal-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.owl-terminal-copy {
  background: none; border: none; font-size: 1.1rem; cursor: pointer; color: var(--text-muted); transition: var(--transition);
}
.owl-terminal-copy:hover { color: var(--accent-cyan); transform: scale(1.1); }
.owl-terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #a78bfa;
  overflow-x: auto;
  line-height: 1.6;
}

/* Sticky TOC */
.sticky-toc {
  position: sticky;
  top: calc(var(--navbar-h) + 40px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--glow-soft);
  align-self: start;
}
.toc-title {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.toc-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.toc-list a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
  display: block;
  line-height: 1.4;
  border-left: 2px solid transparent;
  padding-left: 10px;
}
.toc-list a:hover {
  color: var(--accent-cyan);
}
.toc-list a.active {
  color: var(--accent-purple);
  border-left-color: var(--accent-purple);
  font-weight: 600;
}

.section-header { text-align: center; margin-bottom: 56px; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.section-label::before,
.section-label::after {
  content: '';
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan));
}
.section-label::after {
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
}
.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-title span { color: var(--accent-purple); }
.section-desc { color: var(--text-secondary); max-width: 580px; margin: 0 auto; font-size: 1.05rem; }

/* ── NAVBAR ─────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--navbar-h);
  z-index: 1000;
  background: rgba(7,7,15,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled {
  border-bottom-color: rgba(124,58,237,.3);
  box-shadow: 0 4px 32px rgba(0,0,0,.4);
}
.navbar-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-primary);
  transition: var(--transition);
}
.navbar-logo:hover { color: var(--accent-cyan); }
.navbar-logo img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}
.logo-dot { color: var(--accent-purple); }

.navbar-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.navbar-links a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  font-family: var(--font-mono);
}
.navbar-links a:hover,
.navbar-links a.active {
  color: var(--text-primary);
  background: rgba(124,58,237,.12);
}

.navbar-cta {
  padding: 9px 20px;
  background: linear-gradient(135deg, var(--accent-purple), #5b21b6);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  border: 1px solid rgba(167,139,250,.2);
  transition: var(--transition);
  box-shadow: 0 0 20px rgba(124,58,237,.2);
}
.navbar-cta:hover {
  box-shadow: 0 0 30px rgba(124,58,237,.4);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--navbar-h);
  left: 0; right: 0;
  background: rgba(10,10,20,.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 8px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--text-primary); background: rgba(124,58,237,.12); }

/* ── HERO ───────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--navbar-h);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 50%, rgba(124,58,237,.12) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 80% 40%, rgba(6,182,212,.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124,58,237,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  text-align: left;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-cyan);
  margin-bottom: 24px;
  padding: 7px 16px;
  background: rgba(6,182,212,.08);
  border: 1px solid rgba(6,182,212,.2);
  border-radius: 100px;
}
.hero-eyebrow::before { content: '//'; opacity: 0.6; }

.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--text-primary);
}
.hero-title .highlight-purple { color: var(--accent-purple); }
.hero-title .highlight-cyan   { color: var(--accent-cyan); }

.typewriter-line {
  display: block;
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 14px;
  font-family: var(--font-mono);
  min-height: 1.6em;
}
.typewriter-cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--accent-cyan);
  margin-left: 3px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 560px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--accent-purple), #5b21b6);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: white;
  border: 1px solid rgba(167,139,250,.2);
  transition: var(--transition-bounce);
  box-shadow: 0 0 30px rgba(124,58,237,.25);
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 50px rgba(124,58,237,.45);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.btn-secondary:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: rgba(6,182,212,.06);
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.stat-item { text-align: left; }
.stat-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}
.stat-num span { color: var(--accent-purple); }
.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── ACTUALITÉS ─────────────────────────────── */
.news-section { background: var(--bg-secondary); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.news-card-image-wrap {
  position: relative;
  width: 100%;
  height: 180px;
  overflow: hidden;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

.news-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .news-card-image {
  transform: scale(1.05);
}

.news-card-body {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.news-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.news-card-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: auto;
}

.news-card-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.4;
  transition: color 0.2s;
}

.news-card:hover .news-card-title {
  color: var(--accent-cyan);
}

.news-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
  flex-grow: 1;
}

.news-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all 0.2s ease;
  margin-top: auto;
}

.news-card:hover .news-card-link {
  color: var(--accent-cyan);
  gap: 10px;
}

/* Featured (IT Blog Style - Horizontal) */
.news-card.featured {
  grid-column: span 2;
  flex-direction: row;
}

.news-card.featured .news-card-image-wrap {
  width: 45%;
  height: auto;
  min-height: 240px;
  border-bottom: none;
  border-right: 1px solid var(--border);
}

.news-card.featured .news-card-body {
  width: 55%;
  padding: 28px;
  justify-content: center;
}

.news-card.featured .news-card-title {
  font-size: 1.3rem;
  margin-bottom: 14px;
}

.news-card.featured .news-card-desc {
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .news-card.featured {
    flex-direction: column;
  }
  .news-card.featured .news-card-image-wrap {
    width: 100%;
    height: 200px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .news-card.featured .news-card-body {
    width: 100%;
    padding: 20px;
  }
}

/* ── FORMATIONS ─────────────────────────────── */
.formations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.formation-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
}
.formation-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.formation-card:hover::before { transform: scaleX(1); }
.formation-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--glow-soft);
  background: var(--bg-card-hover);
}
.formation-card.coming-soon {
  opacity: 0.55;
  cursor: not-allowed;
}
.formation-card.coming-soon:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--border);
}
.formation-card.coming-soon::before { display: none; }

.formation-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(124,58,237,.2), rgba(6,182,212,.1));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}
.formation-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.formation-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}
.formation-episodes {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.formation-episodes span { color: var(--accent-purple); font-weight: 700; }

/* ── ABOUT ──────────────────────────────────── */
.about-inner {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 60px;
  align-items: center;
}
.about-avatar-wrap {
  position: relative;
}
.about-avatar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.about-avatar-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(124,58,237,.12), transparent 60%);
  pointer-events: none;
}
.about-avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 20px;
  border: 3px solid rgba(124,58,237,.4);
  box-shadow: 0 0 40px rgba(124,58,237,.25);
}
.about-name {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.about-name span { color: var(--accent-purple); }
.about-role {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

.about-content .section-title { text-align: left; margin-bottom: 20px; }
.about-content .section-label { justify-content: flex-start; }
.about-text {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.8;
}
.about-text strong { color: var(--text-primary); }

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 28px;
}
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.about-feature-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.about-feature-text { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.5; }
.about-feature-text strong { color: var(--text-primary); display: block; margin-bottom: 2px; font-size: 0.9rem; }

/* ── FOOTER ─────────────────────────────────── */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand .navbar-logo { margin-bottom: 12px; }
.footer-brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; max-width: 260px; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 4px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--accent-cyan); padding-left: 6px; }
.footer-note {
  background: rgba(6,182,212,.06);
  border: 1px solid rgba(6,182,212,.15);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.footer-copy span { color: var(--accent-purple); }

/* ── PARTICLES ──────────────────────────────── */
#particles-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── BREADCRUMB ─────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 20px 0;
}
.breadcrumb a { color: var(--accent-purple); transition: var(--transition); }
.breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb-sep { color: var(--text-muted); font-size: 0.7rem; }

/* ── EPISODE HEADER ─────────────────────────── */
.episode-hero {
  padding: calc(var(--navbar-h) + 40px) 0 60px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.episode-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 30% 50%, rgba(124,58,237,.08) 0%, transparent 70%);
}
.episode-hero-inner { position: relative; z-index: 1; }
.episode-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  letter-spacing: 0.1em;
}
.episode-num span { color: var(--accent-cyan); }
.episode-title {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.1;
}
.episode-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 30px;
}
.episode-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.episode-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}
.episode-meta-item span { color: var(--accent-purple); }

/* ── VIDEO SECTION ──────────────────────────── */
.video-section { padding: 56px 0; }
.video-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.video-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #0d0d1a, #12122a);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
}
.video-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(124,58,237,.12), transparent 60%);
}
.video-placeholder-icon {
  font-size: 4rem;
  position: relative;
  z-index: 1;
}
.video-placeholder-title {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}
.video-placeholder-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
}
.video-embed { width: 100%; aspect-ratio: 16/9; border: none; }
.video-note {
  padding: 16px 24px;
  background: rgba(6,182,212,.05);
  border-top: 1px solid rgba(6,182,212,.1);
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── WHY SECTION ────────────────────────────── */
.why-section {
  padding: 56px 0;
  background: var(--bg-secondary);
}
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}
.why-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-soft);
}
.why-card-icon { font-size: 1.5rem; margin-bottom: 12px; }
.why-card-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.why-card-text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* ── KEY POINTS ─────────────────────────────── */
.keypoints-section { padding: 56px 0; }
.keypoints-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.keypoint {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.keypoint:hover { border-color: rgba(124,58,237,.3); background: var(--bg-card-hover); }
.keypoint-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, rgba(124,58,237,.2), rgba(6,182,212,.1));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.keypoint-text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; }
.keypoint-text strong { color: var(--text-primary); display: block; font-size: 0.92rem; margin-bottom: 2px; }

/* ── NAV EPISODES ───────────────────────────── */
.nav-episodes {
  padding: 40px 0 60px;
  border-top: 1px solid var(--border);
  margin-top: 20px;
}
.nav-episodes-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.nav-ep-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition-bounce);
  max-width: 280px;
}
.nav-ep-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateX(0) scale(1.02);
}
.nav-ep-btn.prev:hover { transform: translateX(-4px) scale(1.01); }
.nav-ep-btn.next:hover { transform: translateX(4px) scale(1.01); }
.nav-ep-btn.disabled { opacity: 0.3; pointer-events: none; }
.nav-ep-label { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.nav-ep-title { font-size: 0.9rem; color: var(--text-primary); font-weight: 600; margin-top: 2px; }
.nav-ep-arrow { font-size: 1.2rem; color: var(--accent-cyan); flex-shrink: 0; }
.nav-ep-btn.next { flex-direction: row-reverse; text-align: right; }

/* ── HUB TRUENAS ────────────────────────────── */
.hub-header {
  padding: calc(var(--navbar-h) + 60px) 0 60px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.hub-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 10% 50%, rgba(124,58,237,.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 90% 30%, rgba(6,182,212,.08) 0%, transparent 70%);
}
.hub-header-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}
.hub-title {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  margin: 16px 0 20px;
  line-height: 1.1;
}
.hub-title span { color: var(--accent-cyan); }
.hub-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.hub-notice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(245,158,11,.08);
  border: 1px solid rgba(245,158,11,.2);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  color: #fcd34d;
  max-width: 600px;
}
.hub-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  min-width: 200px;
}
.hub-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  text-align: center;
}
.hub-stat-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-purple);
}
.hub-stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

.episodes-list { padding: 60px 0; }
.episode-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 16px;
  transition: var(--transition-bounce);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.episode-item:hover {
  border-color: var(--border-hover);
  transform: translateX(6px);
  box-shadow: var(--glow-soft);
  background: var(--bg-card-hover);
}
.episode-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent-purple), var(--accent-cyan));
  transform: scaleY(0);
  transform-origin: top;
  transition: var(--transition);
}
.episode-item:hover::before { transform: scaleY(1); }
.episode-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(124,58,237,.3);
  min-width: 50px;
  text-align: center;
  line-height: 1;
}
.episode-item:hover .episode-number { color: var(--accent-purple); }
.episode-item-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.episode-item-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.episode-item-arrow {
  font-size: 1.4rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.episode-item:hover .episode-item-arrow { color: var(--accent-cyan); transform: translateX(4px); }

/* ── RESPONSIVE ─────────────────────────────── */
@media (max-width: 1024px) {
  .formations-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; }
  .about-avatar-wrap { max-width: 400px; margin: 0 auto; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .hub-header-inner { grid-template-columns: 1fr; }
  .hub-stats { grid-template-columns: repeat(3, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .news-card.featured { grid-column: span 2; grid-row: auto; min-height: 320px; }
}

@media (max-width: 768px) {
  .navbar-links, .navbar-cta { display: none; }
  .hamburger { display: flex; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card.featured { grid-column: span 1; grid-row: auto; min-height: 280px; }
  .news-card.featured .news-card-body { padding: 24px; }
  .formations-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 24px; }
  .why-grid { grid-template-columns: 1fr; }
  .keypoints-list { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .episode-item { grid-template-columns: auto 1fr; }
  .episode-item-arrow { display: none; }
  .nav-episodes-inner { flex-direction: column; }
  .nav-ep-btn { max-width: 100%; width: 100%; }
}
.social-links { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
.social-icon {
  display: flex !important;
  align-items: center;
  gap: 12px;
  opacity: 0.5;
  cursor: not-allowed;
  transition: var(--transition) !important;
  color: var(--text-muted) !important;
  text-decoration: none;
}
.social-icon:hover {
  opacity: 0.8;
  color: #fff !important;
}
.social-icon[href]:not([href="javascript:void(0)"]) {
  opacity: 1;
  cursor: pointer;
  color: var(--text-secondary) !important;
}
.social-icon[href]:not([href="javascript:void(0)"]):hover {
  opacity: 1;
  color: var(--accent-cyan) !important;
}
.social-icon svg {
  flex-shrink: 0;
}

/* Reading Progress Bar */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
  z-index: 9999;
  transition: width 0.1s ease;
  width: 0%;
}

/* Video Placeholder (used in tutorials) */
.video-placeholder {
  width: 100%;
  max-height: 280px;
  aspect-ratio: 16/9;
  background:
    linear-gradient(135deg, rgba(255,0,0,0.06) 0%, rgba(15,17,26,1) 60%),
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(255,255,255,0.02) 39px, rgba(255,255,255,0.02) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(255,255,255,0.02) 39px, rgba(255,255,255,0.02) 40px),
    #0f111a;
  border: 1px solid rgba(255, 0, 0, 0.2);
  border-radius: 16px;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  text-align: left;
  gap: 28px;
  padding: 28px 36px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 40px rgba(255, 0, 0, 0.05);
}
.video-placeholder::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #ff0000, #c00000);
  border-radius: 16px 0 0 16px;
}
.video-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 20% 50%, rgba(255,0,0,0.06), transparent 70%);
  pointer-events: none;
}
.video-placeholder:hover {
  border-color: rgba(255, 0, 0, 0.5);
  box-shadow: 0 0 60px rgba(255, 0, 0, 0.12);
  transform: translateY(-2px);
}
.video-placeholder .play-btn {
  width: 60px;
  height: 42px;
  background: #ff0000;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 20px rgba(255, 0, 0, 0.4);
  position: relative;
  z-index: 1;
}
.video-placeholder:hover .play-btn {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(255, 0, 0, 0.6);
}
.video-placeholder .video-text {
  position: relative;
  z-index: 1;
}
.video-placeholder h4 {
  color: var(--text-primary);
  font-size: 1.05rem;
  font-family: var(--font-mono);
  font-weight: 700;
  margin-bottom: 6px;
}
.video-placeholder p {
  color: var(--text-muted);
  font-size: 0.85rem;
  max-width: 100%;
  margin: 0;
}
.video-placeholder .yt-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255,0,0,0.15);
  border: 1px solid rgba(255,0,0,0.3);
  color: #ff6b6b;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  z-index: 1;
}

/* ── GISCUS COMMENTAIRES ───────────────────── */
.giscus,
.giscus-frame {
  width: 100% !important;
  min-height: 260px;
}