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

:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #818cf8;
  --secondary: #7c3aed;
  --secondary-light: #a78bfa;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --card-bg: rgba(255, 255, 255, 0.85);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(79, 70, 229, 0.1);
  --shadow-lg: 0 10px 40px rgba(79, 70, 229, 0.15);
  --shadow-xl: 0 20px 60px rgba(79, 70, 229, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-light: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(124, 58, 237, 0.08) 100%);
}

[data-theme="dark"] {
  --bg: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border: #334155;
  --card-bg: rgba(30, 41, 59, 0.85);
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.5);
  --gradient-light: linear-gradient(135deg, rgba(79, 70, 229, 0.15) 0%, rgba(124, 58, 237, 0.15) 100%);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide { max-width: 1400px; }

/* Loading Screen */
#page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s, visibility 0.5s;
}

#page-loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-content { text-align: center; }

.loader-logo {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  height: var(--header-height);
  transition: all var(--transition);
}

.site-header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: var(--header-height);
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  font-weight: 700;
}

.logo-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-tagline {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
  line-height: 1;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  flex-wrap: nowrap;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.4;
  min-height: 38px;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: var(--gradient-light);
}

.nav-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-dropdown-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.4;
  min-height: 38px;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-dropdown-btn:hover { color: var(--primary); background: var(--gradient-light); }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 240px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: all var(--transition);
  text-align: left;
}

.nav-dropdown-menu a:hover {
  background: var(--gradient-light);
  color: var(--primary);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box input {
  width: 200px;
  padding: 8px 16px 8px 40px;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: var(--bg-secondary);
  color: var(--text);
  font-size: 0.875rem;
  transition: all var(--transition);
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
  width: 260px;
}

.search-box .search-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 300px;
  overflow-y: auto;
  display: none;
  z-index: 100;
}

.search-results.active { display: block; }

.search-result-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  transition: background var(--transition);
}

.search-result-item:hover { background: var(--gradient-light); }
.search-result-item:last-child { border-bottom: none; }
.search-result-item small { color: var(--text-muted); display: block; margin-top: 2px; }

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
  font-size: 1.1rem;
}

.icon-btn:hover {
  background: var(--gradient-light);
  color: var(--primary);
  border-color: var(--primary-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.btn-ghost {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-ghost:hover {
  background: var(--gradient-light);
  color: var(--primary);
}

.btn-sm { padding: 6px 16px; font-size: 0.8rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
}

.mobile-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg);
  z-index: 999;
  padding: 24px;
  transform: translateX(100%);
  transition: transform var(--transition);
  overflow-y: auto;
}

.mobile-nav.active { transform: translateX(0); }

.mobile-nav a {
  display: block;
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.mobile-nav a:hover { color: var(--primary); background: var(--gradient-light); }

.mobile-nav-section {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 16px 16px 8px;
}

/* Hero Section */
.hero {
  padding: 80px 0 100px;
  background: var(--gradient-light);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.hero h1 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 540px;
  line-height: 1.7;
}

.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.code-window {
  width: 100%;
  max-width: 480px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.code-window-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

.code-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.code-dot.red { background: #ef4444; }
.code-dot.yellow { background: #f59e0b; }
.code-dot.green { background: #10b981; }

.code-window-title {
  margin-left: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.code-window-body {
  padding: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.8;
}

.code-keyword { color: var(--secondary); }
.code-string { color: var(--success); }
.code-comment { color: var(--text-muted); }
.code-function { color: var(--primary-light); }
.code-variable { color: var(--accent); }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-secondary); }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text);
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.card:hover::before { transform: scaleX(1); }

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

/* Tutorial Cards */
.tutorial-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.tutorial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.tutorial-thumb {
  height: 160px;
  background: var(--gradient-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
  line-height: 1;
  user-select: none;
}

.tutorial-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient);
  opacity: 0.04;
  pointer-events: none;
}

.tutorial-body { padding: 20px; }

.tutorial-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--gradient-light);
  padding: 4px 10px;
  border-radius: 50px;
  margin-bottom: 0.75rem;
}

.tutorial-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.tutorial-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.tutorial-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

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

/* Testimonials */
.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}

.testimonial-card:hover { box-shadow: var(--shadow-md); }

.testimonial-stars { color: #f59e0b; font-size: 1rem; margin-bottom: 1rem; }

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
}

.testimonial-name { font-weight: 600; font-size: 0.9rem; }
.testimonial-role { font-size: 0.8rem; color: var(--text-muted); }

/* Newsletter */
.newsletter-box {
  background: var(--gradient);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.newsletter-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.newsletter-box h2 { font-size: 1.75rem; font-weight: 800; margin-bottom: 0.75rem; }
.newsletter-box p { opacity: 0.9; margin-bottom: 1.5rem; font-size: 1rem; }

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  border: none;
  border-radius: 50px;
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.95);
  color: var(--text);
}

.newsletter-form input:focus { outline: none; box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3); }

.newsletter-form .btn {
  background: var(--text);
  color: white;
  border: none;
  flex-shrink: 0;
}

/* AdSense Placeholders */
.ad-placeholder {
  background: var(--bg-tertiary);
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-align: center;
  padding: 16px;
  margin: 24px 0;
}

.ad-header { min-height: 90px; }
.ad-sidebar { min-height: 250px; }
.ad-article { min-height: 280px; }
.ad-footer { min-height: 90px; }

/* Page Header (inner pages) */
.page-header {
  padding: 60px 0 40px;
  background: var(--gradient-light);
  text-align: center;
}

.page-header h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.page-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }

/* Content Layout */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  padding: 60px 0;
}

.content-main { min-width: 0; }

.content-sidebar { position: sticky; top: calc(var(--header-height) + 24px); align-self: start; }

.sidebar-widget {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-widget h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border);
  color: var(--text);
}
}

.sidebar-widget a {
  display: block;
  padding: 8px 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}

.sidebar-widget a:hover { color: var(--primary); }
.sidebar-widget a:last-child { border-bottom: none; }

/* Roadmap */
.roadmap { position: relative; padding-left: 32px; }

.roadmap::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient);
}

.roadmap-item {
  position: relative;
  margin-bottom: 32px;
  padding: 20px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.roadmap-item:hover { box-shadow: var(--shadow-md); border-color: var(--primary-light); }

.roadmap-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 24px;
  width: 14px;
  height: 14px;
  background: var(--primary);
  border: 3px solid var(--bg);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--primary);
}

.roadmap-item h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.roadmap-item p { font-size: 0.9rem; color: var(--text-secondary); }

.roadmap-level {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  background: var(--gradient-light);
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 0.5rem;
}

/* Tools */
.tool-panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 32px;
}

.tool-panel h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tool-panel > p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text);
  transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.tool-result {
  margin-top: 1.5rem;
  padding: 20px;
  background: var(--gradient-light);
  border-radius: var(--radius-md);
  text-align: center;
}

.tool-result-value {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tool-result-label { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.25rem; }

.password-output {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  word-break: break-all;
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  margin: 1rem 0;
  text-align: center;
}

.strength-meter {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  margin-top: 8px;
  overflow: hidden;
}

.strength-meter-fill {
  height: 100%;
  border-radius: 3px;
  transition: all var(--transition);
  width: 0;
}

.qr-output {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}

.qr-output canvas { border-radius: var(--radius-sm); }

/* FAQ */
.faq-search {
  max-width: 500px;
  margin: 0 auto 32px;
  position: relative;
}

.faq-search input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: var(--bg-secondary);
  font-size: 0.95rem;
  color: var(--text);
}

.faq-search input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.faq-search .search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item.active { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: all var(--transition);
}

.faq-question:hover { color: var(--primary); }

.faq-icon {
  font-size: 1.25rem;
  color: var(--primary);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 24px 18px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.pagination a, .pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.pagination a:hover, .pagination .active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding: 16px 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.filter-bar select {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text);
  font-size: 0.875rem;
}

.filter-tag {
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: pointer;
}

.filter-tag:hover, .filter-tag.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Auth Pages */
.auth-container {
  min-height: calc(100vh - var(--header-height) - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.auth-card h1 {
  font-size: 1.75rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 0.5rem;
}

.auth-card .subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.form-check input { width: auto; }

.form-error {
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: 4px;
  display: none;
}

.form-error.visible { display: block; }

.password-toggle {
  position: relative;
}

.password-toggle input { padding-right: 48px; }

.password-toggle-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.auth-footer a { color: var(--primary); font-weight: 600; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 60px 0;
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  transition: all var(--transition);
}

.contact-info-card:hover { box-shadow: var(--shadow-md); }

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.map-placeholder {
  height: 300px;
  background: var(--gradient-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
}

.team-card {
  text-align: center;
  padding: 32px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.team-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.25rem; }
.team-card .role { font-size: 0.85rem; color: var(--primary); font-weight: 600; margin-bottom: 0.75rem; }
.team-card p { font-size: 0.85rem; color: var(--text-secondary); }

/* Blog */
.blog-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.blog-tab {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: pointer;
}

.blog-tab:hover, .blog-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

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

.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.blog-thumb {
  height: 180px;
  background: var(--gradient-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.blog-body { padding: 24px; }

.blog-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.blog-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.blog-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.blog-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.blog-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 50px;
  background: var(--gradient-light);
  color: var(--primary);
}

/* Resource Cards */
.resource-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  margin-bottom: 16px;
}

.resource-card:hover { box-shadow: var(--shadow-md); border-color: var(--primary-light); }

.resource-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.resource-info { flex: 1; }
.resource-info h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.resource-info p { font-size: 0.85rem; color: var(--text-secondary); }

/* Project Cards */
.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}

.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.project-difficulty {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 0.75rem;
}

.difficulty-beginner { background: #d1fae5; color: #065f46; }
.difficulty-intermediate { background: #fef3c7; color: #92400e; }
.difficulty-advanced { background: #fee2e2; color: #991b1b; }

[data-theme="dark"] .difficulty-beginner { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
[data-theme="dark"] .difficulty-intermediate { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
[data-theme="dark"] .difficulty-advanced { background: rgba(239, 68, 68, 0.2); color: #fca5a5; }

/* Legal Pages */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px;
}

.legal-content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 2rem 0 1rem;
  color: var(--text);
}

.legal-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem;
}

.legal-content p, .legal-content li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 0.75rem;
}

.legal-content ul { list-style: disc; padding-left: 1.5rem; margin-bottom: 1rem; }
.legal-content ol { list-style: decimal; padding-left: 1.5rem; margin-bottom: 1rem; }

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 1rem 0;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 1rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: all var(--transition);
  border: 1px solid var(--border);
}

.footer-social a:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 6px 0;
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--primary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p { font-size: 0.85rem; color: var(--text-muted); }

.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 0.85rem; color: var(--text-muted); }
.footer-bottom-links a:hover { color: var(--primary); }

/* Scroll to Top */
#scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 900;
}

#scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#scroll-top:hover { transform: translateY(-4px); }

/* Newsletter Popup */
.newsletter-popup {
  position: fixed;
  bottom: 24px;
  left: 24px;
  max-width: 380px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-xl);
  z-index: 950;
  transform: translateY(120%);
  transition: transform 0.5s ease;
}

.newsletter-popup.visible { transform: translateY(0); }

.popup-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.popup-close:hover { background: var(--danger); color: white; }

.newsletter-popup h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.newsletter-popup p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 1rem; }

/* Info Boxes */
.info-box {
  padding: 20px 24px;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  font-size: 0.9rem;
  line-height: 1.6;
}

.info-box.tip { background: rgba(16, 185, 129, 0.1); border-left: 4px solid var(--success); color: var(--text-secondary); }
.info-box.warning { background: rgba(245, 158, 11, 0.1); border-left: 4px solid var(--warning); color: var(--text-secondary); }
.info-box.note { background: rgba(79, 70, 229, 0.1); border-left: 4px solid var(--primary); color: var(--text-secondary); }

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
  .header-inner {
    display: flex;
    justify-content: space-between;
  }
  .main-nav, .header-actions .search-box { display: none; }
  .mobile-toggle { display: flex; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-visual { order: -1; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .content-layout { grid-template-columns: 1fr; }
  .content-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .hero { padding: 60px 0 80px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .newsletter-form { flex-direction: column; }
  .newsletter-box { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .auth-card { padding: 28px 24px; }
  .filter-bar { flex-direction: row; align-items: center; justify-content: flex-start; }
  .faq-search { max-width: 100%; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .stats-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
}