/* ===== KALI LINUX LEARNING PLATFORM - MAIN STYLES ===== */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Rajdhani:wght@300;400;500;600;700&family=Share+Tech+Mono&family=Cairo:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary: #00ff41;
  --primary-dark: #00cc33;
  --primary-glow: rgba(0, 255, 65, 0.3);
  --secondary: #0ff;
  --secondary-glow: rgba(0, 255, 255, 0.2);
  --accent: #ff0080;
  --accent-glow: rgba(255, 0, 128, 0.2);
  --warning: #ffcc00;
  --danger: #ff3333;
  --bg-dark: #020b14;
  --bg-card: #041628;
  --bg-card2: #061e34;
  --bg-terminal: #010e1a;
  --border: rgba(0, 255, 65, 0.2);
  --border-hover: rgba(0, 255, 65, 0.6);
  --text-primary: #e0ffe8;
  --text-secondary: #7fffb2;
  --text-muted: #4a7a5c;
  --text-white: #ffffff;
  --sidebar-width: 280px;
  --header-height: 70px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Cairo', 'Rajdhani', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  direction: rtl;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--secondary); }

/* ===== MATRIX RAIN BACKGROUND ===== */
#matrix-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.04;
  pointer-events: none;
}

/* ===== GLITCH ANIMATION ===== */
@keyframes glitch {
  0%, 100% { text-shadow: 2px 0 var(--primary), -2px 0 var(--secondary); }
  25% { text-shadow: -2px 0 var(--primary), 2px 0 var(--secondary); clip-path: inset(10% 0 80% 0); }
  50% { text-shadow: 2px 0 var(--accent), -2px 0 var(--primary); }
  75% { text-shadow: -2px 0 var(--accent), 2px 0 var(--warning); clip-path: inset(70% 0 10% 0); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 10px var(--primary-glow), 0 0 20px var(--primary-glow); }
  50% { box-shadow: 0 0 20px var(--primary-glow), 0 0 40px var(--primary-glow), 0 0 60px var(--primary-glow); }
}

@keyframes scan-line {
  0% { top: -100%; }
  100% { top: 200%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes counter {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(2, 11, 20, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 2rem;
  gap: 2rem;
  box-shadow: 0 0 30px rgba(0, 255, 65, 0.1);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), var(--primary), transparent);
  animation: scan-line 3s linear infinite;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: rgba(0, 255, 65, 0.05);
  border: 1px solid rgba(0, 255, 65, 0.22);
}

.logo-icon img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(0, 255, 65, 0.25));
}

.logo-text {
  font-family: 'Orbitron', monospace;
  font-size: 1.3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  display: block;
  letter-spacing: 3px;
  font-family: 'Share Tech Mono', monospace;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-right: auto;
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,255,65,0.1), transparent);
  transition: left 0.4s ease;
}

.nav-link:hover::before { left: 100%; }

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  border-color: var(--border-hover);
  background: rgba(0, 255, 65, 0.05);
  text-shadow: 0 0 10px var(--primary-glow);
}

.nav-link i { font-size: 1rem; }

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.8rem;
  color: var(--primary);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: blink 1.5s ease-in-out infinite;
  box-shadow: 0 0 6px var(--primary);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== FREE NOTICE BAR ===== */
.site-free-banner {
  position: relative;
  z-index: 950;
  margin-top: var(--header-height);
  border-bottom: 1px solid rgba(0, 255, 65, 0.16);
  background: linear-gradient(90deg, rgba(0, 255, 65, 0.08), rgba(2, 11, 20, 0.96) 25%, rgba(2, 11, 20, 0.96) 75%, rgba(0, 230, 255, 0.08));
  backdrop-filter: blur(8px);
}

.site-free-banner-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 8px 14px;
  position: relative;
  flex-wrap: wrap;
}

.site-free-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  border: 1px solid rgba(0, 255, 65, 0.24);
  background: rgba(0, 255, 65, 0.12);
  color: var(--primary);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.66rem;
  padding: 3px 10px;
  letter-spacing: 1px;
}

.site-free-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.site-free-text {
  margin: 0;
  font-size: 0.84rem;
  color: #e8fff0;
}

.site-free-text strong { color: var(--primary); }

.site-free-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  text-decoration: none;
  border: 1px solid rgba(0, 255, 65, 0.25);
  background: rgba(0, 255, 65, 0.1);
  border-radius: 8px;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 700;
}

.site-free-close {
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  padding: 3px 7px;
  border-radius: 6px;
  position: absolute;
  left: 8px;
}

.site-free-close:hover {
  color: #fff;
  background: rgba(255, 51, 51, 0.18);
}

.site-free-banner.is-hidden {
  opacity: 0;
  transform: translateY(-6px);
  transition: all 0.2s ease;
}

/* ===== MAIN LAYOUT ===== */
.main-wrapper {
  padding-top: var(--header-height);
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0,255,65,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 255, 65, 0.1);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 2rem;
  font-family: 'Share Tech Mono', monospace;
  animation: fadeInUp 0.8s ease forwards;
  letter-spacing: 2px;
}

.hero-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.title-line1 {
  display: block;
  color: var(--text-white);
  text-shadow: 0 0 30px rgba(255,255,255,0.3);
}

.title-line2 {
  display: block;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glitch 5s ease-in-out infinite;
  font-size: 1.2em;
}

.title-line3 {
  display: block;
  color: var(--secondary);
  font-size: 0.6em;
  letter-spacing: 8px;
  margin-top: 0.5rem;
  text-transform: uppercase;
}

.hero-desc {
  max-width: 700px;
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 3rem;
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeInUp 0.8s ease 0.6s forwards;
  opacity: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: 'Cairo', sans-serif;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before { left: 100%; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #000;
  box-shadow: 0 0 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px var(--primary-glow), 0 10px 30px rgba(0,0,0,0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--secondary);
  border: 1px solid var(--secondary);
  box-shadow: 0 0 15px var(--secondary-glow);
}

.btn-secondary:hover {
  background: rgba(0, 255, 255, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 0 30px var(--secondary-glow), 0 10px 30px rgba(0,0,0,0.3);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), #cc0066);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px var(--accent-glow);
}

/* ===== STATS SECTION ===== */
.stats-section {
  padding: 4rem 2rem;
  background: linear-gradient(180deg, transparent, rgba(0,255,65,0.02), transparent);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  animation: fadeInUp 0.8s ease forwards;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.stat-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 20px var(--primary-glow);
}

.stat-number {
  font-family: 'Orbitron', monospace;
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

/* ===== SECTION STYLES ===== */
.section {
  padding: 5rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  padding: 4px 16px;
  background: rgba(0, 255, 65, 0.1);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--primary);
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 3px;
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 1rem;
  position: relative;
}

.section-title .highlight {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== FEATURE CARDS ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-glow), transparent);
  opacity: 0;
  transition: var(--transition);
}

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

.feature-card:hover {
  transform: translateY(-10px);
  border-color: var(--border-hover);
  box-shadow: 0 25px 50px rgba(0,0,0,0.5), 0 0 30px var(--primary-glow);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(0,255,65,0.2), rgba(0,255,255,0.2));
  border: 1px solid var(--border);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 0 20px var(--primary-glow);
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.8rem;
}

.feature-desc {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 1.5rem;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.feature-link:hover { gap: 12px; text-shadow: 0 0 10px var(--primary); }

/* ===== TERMINAL COMPONENT ===== */
.terminal {
  background: var(--bg-terminal);
  border: 1px solid rgba(0,255,65,0.3);
  border-radius: 12px;
  overflow: hidden;
  font-family: 'Share Tech Mono', monospace;
  box-shadow: 0 0 30px rgba(0,255,65,0.1), inset 0 0 30px rgba(0,0,0,0.5);
}

.terminal-header {
  background: rgba(0,255,65,0.05);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(0,255,65,0.1);
}

.terminal-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-btn.close { background: #ff5f56; }
.terminal-btn.min { background: #ffbd2e; }
.terminal-btn.max { background: #27c93f; }

.terminal-title {
  margin-right: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 2px;
}

.terminal-body {
  padding: 1.5rem;
  min-height: 200px;
  font-size: 0.9rem;
  line-height: 1.8;
}

.terminal-line {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 0.5rem;
}

.terminal-prompt { color: var(--primary); }
.terminal-cmd { color: var(--secondary); }
.terminal-output { color: var(--text-muted); padding-right: 1rem; }
.terminal-error { color: var(--danger); }
.terminal-success { color: var(--primary); }

.cursor {
  display: inline-block;
  width: 8px;
  height: 1.2em;
  background: var(--primary);
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

/* ===== CATEGORIES ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1rem;
  text-align: center;
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.category-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.category-card:hover::after { transform: scaleX(1); }

.category-card:hover {
  border-color: var(--border-hover);
  color: var(--primary);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.category-icon { font-size: 2rem; display: block; margin-bottom: 0.8rem; }
.category-name { font-size: 0.9rem; font-weight: 600; display: block; }
.category-count { font-size: 0.75rem; color: var(--text-muted); display: block; margin-top: 4px; font-family: 'Share Tech Mono', monospace; }

/* ===== PAGE CONTENT ===== */
.page-content {
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.page-hero {
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
}

.page-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--text-white);
  margin-bottom: 1rem;
}

.page-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* ===== SEARCH BAR ===== */
.search-container {
  max-width: 600px;
  margin: 0 auto 2rem;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 14px 50px 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: 'Cairo', sans-serif;
  outline: none;
  transition: var(--transition);
  direction: rtl;
}

.search-input::placeholder { color: var(--text-muted); }

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 1.1rem;
}

/* ===== FILTER TABS ===== */
.filter-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2rem;
}

.filter-tab {
  padding: 8px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: 'Cairo', sans-serif;
}

.filter-tab:hover, .filter-tab.active {
  background: rgba(0, 255, 65, 0.1);
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== COMMANDS TABLE ===== */
.commands-container {
  display: grid;
  gap: 1rem;
}

.command-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.command-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 5px 20px rgba(0,255,65,0.1);
}

.command-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  cursor: pointer;
  background: rgba(0,255,65,0.02);
}

.command-number {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 45px;
}

.command-name {
  font-family: 'Share Tech Mono', monospace;
  font-size: 1rem;
  color: var(--primary);
  font-weight: 700;
  flex: 1;
  direction: ltr;
  text-align: left;
}

.command-short-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
  flex: 2;
  text-align: right;
}

.command-category-tag {
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(0, 255, 255, 0.1);
  color: var(--secondary);
  border: 1px solid rgba(0, 255, 255, 0.2);
  white-space: nowrap;
}

.command-expand-btn {
  color: var(--text-muted);
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

.command-card.expanded .command-expand-btn {
  transform: rotate(180deg);
}

.command-details {
  display: none;
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-terminal);
}

.command-card.expanded .command-details {
  display: block;
}

.command-syntax {
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(0,255,65,0.2);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.9rem;
  color: var(--secondary);
  direction: ltr;
}

.command-full-desc {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.command-examples {
  margin-top: 1rem;
}

.command-examples h4 {
  color: var(--primary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  font-family: 'Share Tech Mono', monospace;
}

.example-item {
  background: rgba(0,0,0,0.3);
  border-right: 3px solid var(--primary);
  padding: 0.8rem 1rem;
  margin-bottom: 0.5rem;
  border-radius: 0 8px 8px 0;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.85rem;
  color: var(--text-primary);
  direction: ltr;
}

.copy-btn {
  padding: 6px 14px;
  background: rgba(0,255,65,0.1);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--primary);
  cursor: pointer;
  font-size: 0.8rem;
  font-family: 'Cairo', sans-serif;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 5px;
}

.copy-btn:hover {
  background: rgba(0,255,65,0.2);
  border-color: var(--primary);
}

/* ===== TUTORIALS ===== */
.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.tutorial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.tutorial-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 20px var(--primary-glow);
}

.tutorial-thumb {
  height: 160px;
  background: linear-gradient(135deg, var(--bg-card2), rgba(0,255,65,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.tutorial-thumb::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, transparent, rgba(0,0,0,0.5));
}

.tutorial-level {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
}

.level-beginner { background: rgba(0,255,65,0.2); color: var(--primary); border: 1px solid var(--primary); }
.level-intermediate { background: rgba(255,204,0,0.2); color: var(--warning); border: 1px solid var(--warning); }
.level-advanced { background: rgba(255,0,128,0.2); color: var(--accent); border: 1px solid var(--accent); }

.tutorial-info { padding: 1.5rem; }

.tutorial-category {
  font-size: 0.8rem;
  color: var(--secondary);
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 0.5rem;
}

.tutorial-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.8rem;
  line-height: 1.4;
}

.tutorial-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.tutorial-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.tutorial-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== STEPS PAGE ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.step-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.step-group:hover {
  border-color: var(--border-hover);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.step-group-header {
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(0,255,65,0.1), rgba(0,255,255,0.05));
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.step-group-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #000;
  flex-shrink: 0;
}

.step-group-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
}

.step-group-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.steps-list {
  padding: 1.5rem;
  display: none;
}

.step-group.active .steps-list { display: block; }

.step-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(0,255,65,0.08);
  position: relative;
}

.step-item:last-child { border-bottom: none; }

.step-num {
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Orbitron', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  color: #000;
  flex-shrink: 0;
}

.step-content {}

.step-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.3rem;
}

.step-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-cmd {
  margin-top: 0.5rem;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(0,255,65,0.2);
  border-radius: 6px;
  padding: 0.6rem 1rem;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.85rem;
  color: var(--primary);
  direction: ltr;
}

/* ===== SIDEBAR (for inner pages) ===== */
.layout-with-sidebar {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  min-height: calc(100vh - var(--header-height));
}

.sidebar {
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  padding: 2rem 1rem;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

.sidebar-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 3px;
  font-family: 'Share Tech Mono', monospace;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.9rem;
  transition: var(--transition);
  margin-bottom: 2px;
}

.sidebar-link:hover, .sidebar-link.active {
  background: rgba(0,255,65,0.1);
  color: var(--primary);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem 1.5rem;
  margin-top: 5rem;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 2rem;
}

.footer-brand {}
.footer-logo { font-family: 'Orbitron', monospace; font-size: 1.2rem; color: var(--primary); font-weight: 800; }
.footer-tagline { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.5rem; line-height: 1.6; }

.footer-col-title { font-size: 0.9rem; font-weight: 700; color: var(--text-white); margin-bottom: 1rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; transition: color 0.3s ease; }
.footer-links a:hover { color: var(--primary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== NOTIFICATION ===== */
.notification {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--primary);
  border-radius: 10px;
  padding: 1rem 1.5rem;
  color: var(--primary);
  font-size: 0.9rem;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 0 20px var(--primary-glow);
}

.notification.show { transform: translateY(0); opacity: 1; }

/* ===== PROGRESS BAR ===== */
.progress-bar {
  height: 4px;
  background: rgba(0,255,65,0.1);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  transition: width 0.8s ease;
}

/* ===== BADGE ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: 'Share Tech Mono', monospace;
}

.badge-danger { background: rgba(255,51,51,0.2); color: var(--danger); border: 1px solid rgba(255,51,51,0.4); }
.badge-warning { background: rgba(255,204,0,0.2); color: var(--warning); border: 1px solid rgba(255,204,0,0.4); }
.badge-success { background: rgba(0,255,65,0.2); color: var(--primary); border: 1px solid rgba(0,255,65,0.4); }
.badge-info { background: rgba(0,255,255,0.2); color: var(--secondary); border: 1px solid rgba(0,255,255,0.4); }

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.page-btn {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Cairo', sans-serif;
}

.page-btn:hover, .page-btn.active {
  background: rgba(0,255,65,0.1);
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== LOADING ===== */
.loading-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(0,255,65,0.1);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: rotate 0.8s linear infinite;
  margin: 2rem auto;
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: rgba(2,11,20,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  padding: 1rem;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu.open { display: flex; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .layout-with-sidebar {
    grid-template-columns: 1fr;
  }
  .sidebar { display: none; }
}

@media (max-width: 768px) {
  .site-header { padding: 0 0.9rem; gap: 0.8rem; }
  .logo-text { font-size: 0.95rem; }
  .logo-sub { font-size: 0.58rem; letter-spacing: 1px; }
  .logo-icon { width: 40px; height: 40px; }
  .logo-icon img { width: 34px; height: 34px; }

  .site-free-banner-inner {
    padding: 10px 38px 10px 12px;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 8px;
  }
  .site-free-text { font-size: 0.78rem; }
  .site-free-close { left: 6px; top: 6px; position: absolute; }

  .nav-menu { display: none; }
  .hamburger { display: flex; }
  .header-status { display: none; }

  .mobile-menu { max-height: calc(100vh - var(--header-height)); overflow-y: auto; }

  .hero { padding: 2rem 1rem; }
  .hero-buttons { width: 100%; }
  .hero-buttons .btn { width: 100%; justify-content: center; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .tutorial-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }

  .featured-guide-card {
    margin: 24px auto !important;
    padding: 20px 14px !important;
    border-radius: 14px !important;
  }
  .featured-guide-link { width: 100%; max-width: 300px; }

  .command-header { flex-wrap: wrap; }
  .command-short-desc { display: none; }

  .section { padding: 3rem 1rem; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .categories-grid { grid-template-columns: 1fr; }
}

/* ===== PERFORMANCE HELPERS ===== */
.feature-card,
.tutorial-card,
.step-group,
.command-card,
.article-card,
.disc-card {
  content-visibility: auto;
  contain-intrinsic-size: 1px 460px;
}

@media (max-width: 992px) {
  #matrix-canvas { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  #matrix-canvas { display: none !important; }
}

/* ===== SPECIAL EFFECTS ===== */
.glow-text { text-shadow: 0 0 10px var(--primary), 0 0 20px var(--primary); }
.glow-box { box-shadow: 0 0 20px var(--primary-glow); }
.cyber-border {
  border: 1px solid var(--primary);
  position: relative;
}
.cyber-border::before, .cyber-border::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-color: var(--primary);
  border-style: solid;
}
.cyber-border::before { top: -2px; right: -2px; border-width: 2px 2px 0 0; }
.cyber-border::after { bottom: -2px; left: -2px; border-width: 0 0 2px 2px; }

/* ===== TOOLTIP ===== */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 100;
}
[data-tooltip]:hover::after { opacity: 1; }

/* ===== GRID BG PATTERN ===== */
.grid-bg {
  background-image: 
    linear-gradient(rgba(0,255,65,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,65,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* ===== HIDDEN / UTILITY ===== */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.w-100 { width: 100%; }