/* ============================================
   CSS Variables & Root Styles
   ============================================ */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-primary-light: #3b82f6;
    --color-secondary: #0f172a;
    --color-accent: #06b6d4;
    --color-background: #ffffff;
    --color-background-alt: #f8fafc;
    --color-text: #0f172a;
    --color-text-light: #475569;
    --color-border: #e2e8f0;
    --color-success: #059669;
    --color-warning: #d97706;
    --color-error: #dc2626;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    --font-family-display: 'Poppins', sans-serif;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark theme variables */
body.dark-theme {
    --color-background: #0f172a;
    --color-background-alt: #1e293b;
    --color-text: #f1f5f9;
    --color-text-light: #cbd5e1;
    --color-border: #334155;
    --color-primary: #60a5fa;
    --color-primary-dark: #3b82f6;
    --color-secondary: #f1f5f9;
}

/* Dark theme card styles */
body.dark-theme .card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.95) 100%);
    border: 1px solid rgba(71, 85, 105, 0.5);
}

body.dark-theme .card h3 {
    background: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-theme .card-description {
    color: #e2e8f0;
}

body.dark-theme .card-details {
    background: transparent;
}

body.dark-theme .card-details div {
    color: #cbd5e1;
}

body.dark-theme .card-details strong {
    color: #818cf8;
}

body.dark-theme .rating-value {
    background: rgba(99, 102, 241, 0.25) !important;
    color: #a5b4fc !important;
}

body.dark-theme .badge {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.7) 0%, rgba(139, 92, 246, 0.7) 100%) !important;
}

body.dark-theme .badge.free {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.7) 0%, rgba(5, 150, 105, 0.7) 100%) !important;
}
}

body.dark-theme .rating-value {
    background: rgba(99, 102, 241, 0.2);
    color: #818cf8;
}

body.dark-theme .badge {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
    color: #818cf8;
    border-color: rgba(99, 102, 241, 0.4);
}

body.dark-theme .badge.free {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.3) 0%, rgba(16, 185, 129, 0.2) 100%);
    color: #6ee7b7;
    border-color: rgba(16, 185, 129, 0.4);
}

/* Dark theme header */
body.dark-theme .header {
    background: rgba(15, 23, 42, 0.98);
    border-bottom: 1px solid var(--color-border);
}

body.dark-theme .logo {
    color: var(--color-text);
}

body.dark-theme .logo i {
    color: var(--color-primary);
    background: rgba(96, 165, 250, 0.15);
}

body.dark-theme .nav-menu li a:hover {
    background: rgba(96, 165, 250, 0.15);
}

body.dark-theme .mobile-close {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

body.dark-theme .mobile-close:hover {
    background: var(--color-primary);
    color: white;
}

/* Dark theme hero */
body.dark-theme .hero {
    background-image:
        linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 41, 59, 0.92) 100%),
        url('img/bg-hero.png');
    border-bottom: 1px solid var(--color-border);
}

body.dark-theme .hero-title {
    color: var(--color-text);
}

body.dark-theme .hero-subtitle {
    color: var(--color-primary);
}

body.dark-theme .hero-description {
    color: var(--color-text-light);
}

/* Dark theme buttons */
body.dark-theme .btn-secondary {
    background-color: rgba(30, 41, 59, 0.8);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

body.dark-theme .btn-secondary:hover {
    background-color: rgba(51, 65, 85, 0.8);
    border-color: var(--color-primary);
}

body.dark-theme .btn-reset {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

body.dark-theme .btn-reset:hover {
    background: rgba(51, 65, 85, 0.8);
    border-color: var(--color-primary);
}

/* Dark theme sections */
body.dark-theme .section-title {
    color: var(--color-text);
}

body.dark-theme .section-title::after {
    background: var(--color-primary);
}

/* Dark theme filters */
body.dark-theme .filters-section {
    background: var(--color-background-alt);
    border-color: var(--color-border);
}

body.dark-theme .filters-header h3 {
    color: var(--color-text);
}

body.dark-theme .select-wrapper select {
    background: rgba(15, 23, 42, 0.8);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

body.dark-theme .select-wrapper select:hover {
    border-color: var(--color-primary);
}

body.dark-theme .select-wrapper select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

/* Dark theme comparison table */
body.dark-theme .comparison-section {
    background: var(--color-background);
}

body.dark-theme .comparison-table {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--color-border);
}

body.dark-theme .comparison-table thead {
    background: rgba(15, 23, 42, 0.9);
}

body.dark-theme .comparison-table tbody tr:hover {
    background: rgba(51, 65, 85, 0.5);
}

body.dark-theme .comparison-table td {
    color: var(--color-text-light);
    border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}

/* Dark theme FAQ */
body.dark-theme .faq-section {
    background: var(--color-background-alt);
}

body.dark-theme .faq-item {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--color-border);
}

body.dark-theme .faq-item:hover {
    border-color: rgba(96, 165, 250, 0.4);
}

body.dark-theme .faq-item h3 {
    color: var(--color-text);
}

body.dark-theme .faq-item p {
    color: var(--color-text-light);
}

body.dark-theme .faq-item p::before {
    background: linear-gradient(180deg, rgba(96, 165, 250, 0.4), transparent);
}

/* Dark theme reviews */
body.dark-theme .reviews-section {
    background: var(--color-background);
}

body.dark-theme .review-card {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--color-border);
}

body.dark-theme .review-card::before {
    color: rgba(96, 165, 250, 0.08);
}

body.dark-theme .review-card:hover {
    border-color: rgba(96, 165, 250, 0.4);
}

body.dark-theme .reviewer-name {
    color: var(--color-text);
}

body.dark-theme .reviewer-role {
    color: var(--color-text-light);
}

body.dark-theme .review-program {
    background: rgba(96, 165, 250, 0.15);
    border: 1px solid rgba(96, 165, 250, 0.3);
}

body.dark-theme .review-text {
    color: var(--color-text-light);
}

body.dark-theme .review-date {
    color: var(--color-text-light);
}

/* Dark theme author section */
body.dark-theme .author-section {
    background: var(--color-background-alt);
}

body.dark-theme .author-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.6) 100%);
    border: 1px solid var(--color-border);
}

body.dark-theme .author-title {
    color: var(--color-primary);
}

body.dark-theme .author-name {
    color: var(--color-text);
}

body.dark-theme .author-bio {
    color: var(--color-text-light);
}

body.dark-theme .author-stats {
    border-color: var(--color-border);
}

body.dark-theme .stat-label {
    color: var(--color-text-light);
}

body.dark-theme .author-expertise h4 {
    color: var(--color-text);
}

body.dark-theme .author-expertise li {
    color: var(--color-text-light);
}

/* Dark theme newsletter */
body.dark-theme .newsletter-section {
    background: rgba(15, 23, 42, 0.95);
}

body.dark-theme .newsletter-form input {
    background: rgba(30, 41, 59, 0.8);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

body.dark-theme .newsletter-form input::placeholder {
    color: var(--color-text-light);
    opacity: 0.6;
}

body.dark-theme .newsletter-form input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

/* Dark theme footer */
body.dark-theme .footer {
    background: rgba(15, 23, 42, 0.95);
}

body.dark-theme .footer h3 {
    color: var(--color-text);
}

body.dark-theme .footer ul li a {
    color: var(--color-text-light);
}

body.dark-theme .footer ul li a:hover {
    color: var(--color-primary);
}

body.dark-theme .social-link {
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.3);
    color: var(--color-text-light);
}

body.dark-theme .social-link:hover {
    background: var(--color-primary);
    color: var(--color-background);
    border-color: var(--color-primary);
}

/* ============================================
   Global Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 700;
    font-family: var(--font-family-display);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

p {
    margin-bottom: var(--spacing-md);
    font-family: var(--font-family);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-secondary);
}

/* ============================================
   Header
   ============================================ */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-2xl);
    position: relative;
}

@media (min-width: 769px) {
    .nav-menu {
        justify-content: center;
        flex: 1;
    }
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-family: var(--font-family-display);
}

.logo i {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
    background: rgba(37, 99, 235, 0.1);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-lg);
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    justify-content: space-between;
    flex: 1;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-right {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    margin-left: auto;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: relative;
    width: 30px;
    height: 24px;
    justify-content: center;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s ease;
    position: absolute;
    left: 0;
}

.hamburger span:nth-child(1) {
    top: 2px;
}

.hamburger span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger span:nth-child(3) {
    bottom: 2px;
}

.nav-menu li a {
    color: var(--color-text);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-family: var(--font-family);
}

.nav-menu li a:hover {
    color: var(--color-primary);
    background: rgba(37, 99, 235, 0.1);
}
    width: 25px;
    height: 3px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.theme-toggle {
    background: var(--color-background-alt);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: scale(1.05);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: none;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    text-decoration: none;
    font-family: var(--font-family);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: white;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-background-alt);
    border-color: var(--color-text);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.btn-reset {
    background-color: var(--color-background-alt);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-md);
}

.btn-reset:hover {
    background-color: var(--color-border);
    transform: scale(1.02);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    background-image:
        linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.96) 100%),
        url('img/bg-hero.png');
    background-size: cover, cover;
    background-position: center, center;
    background-repeat: no-repeat, no-repeat;
    background-attachment: scroll, fixed;
    color: var(--color-text);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: none;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out;
    color: var(--color-text);
    font-weight: 900;
    letter-spacing: -1.5px;
}

.hero-subtitle {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out 0.15s both;
    color: var(--color-primary);
    font-weight: 600;
}

.hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.3s both;
    color: var(--color-text-light);
    font-family: var(--font-family);
    font-weight: 500;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.45s both;
}

.hero-cta .btn {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

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

/* ============================================
   Social Proof Section
   ============================================ */
.social-proof-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, rgba(147, 51, 234, 0.03) 100%);
    border-top: 1px solid rgba(37, 99, 235, 0.1);
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
}

.social-proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
}

.social-proof-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: all var(--transition-base);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.social-proof-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
    border-color: var(--color-primary);
}

.proof-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.social-proof-item:hover .proof-icon {
    transform: scale(1.1);
    background: rgba(37, 99, 235, 0.15);
}

.proof-number {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-family-display);
    margin-bottom: var(--spacing-sm);
}

.proof-label {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    font-weight: 500;
    font-family: var(--font-family);
}

/* Dark theme */
body.dark-theme .social-proof-item {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(37, 99, 235, 0.2);
}

body.dark-theme .social-proof-item:hover {
    border-color: var(--color-primary);
}

/* ============================================
   Filters Section
   ============================================ */
.filters-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-background-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.filters-header {
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.filters-header h3 {
    color: var(--color-text);
    font-size: var(--font-size-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filters-header i {
    color: var(--color-primary);
}

.filters {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    align-items: flex-end;
    position: relative;
    z-index: 1;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: var(--font-family-display);
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-group label i {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
}

.select-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.select-wrapper select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    padding-right: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    background: white;
    color: var(--color-text);
    cursor: pointer;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    font-family: var(--font-family);
    font-weight: 500;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.select-wrapper select:hover {
    border-color: var(--color-primary);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.select-wrapper select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.select-wrapper i {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--color-primary);
    font-size: 12px;
}

/* Dark theme select */
body.dark-theme .select-wrapper select {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.9) 100%);
    border-color: rgba(71, 85, 105, 0.5);
    color: var(--color-text);
}

body.dark-theme .select-wrapper select:hover {
    border-color: var(--color-primary);
}

.filter-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
    min-width: 150px;
}

.btn-reset {
    width: 100%;
    background: white;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: var(--font-family);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-reset:hover {
    background: var(--color-background-alt);
    border-color: var(--color-text);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    transform: scale(1.02);
}

.btn-reset:active {
    transform: scale(0.98);
}

.btn-reset i {
    font-size: var(--font-size-base);
    transition: transform var(--transition-fast);
}

.btn-reset:hover i {
    transform: rotate(180deg);
}

/* ============================================
   Ratings Section
   ============================================ */
.ratings-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(248, 250, 252, 0.5) 100%);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    padding-bottom: var(--spacing-md);
    font-family: var(--font-family-display);
    color: var(--color-text);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
}

.archivators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
}

.card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

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

.card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: none;
    pointer-events: none;
}

.card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

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

.card-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-lg);
}

.card:hover .card-icon {
    transform: scale(1.05);
    background: rgba(37, 99, 235, 0.15);
}

.card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
    flex: 1;
}

.card-title-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.card .rating-value {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.card .stars {
    color: #fbbf24;
    font-size: var(--font-size-lg);
}

.card .badge {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    width: fit-content;
    white-space: nowrap;
}

.card .badge.free {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.card-description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.card-details {
    flex: 1;
    margin-bottom: var(--spacing-lg);
}

.card-details div {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.card-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.stars {
    display: flex;
    gap: 2px;
}

.star {
    color: var(--color-warning);
    font-size: 0.9rem;
}

.rating-value {
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 2px 8px;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
}

.card-price {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}



.card-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
    line-height: 1.6;
    position: relative;
    z-index: 1;
    font-family: var(--font-family);
}

.card-details {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-background-alt);
    border-radius: var(--border-radius-md);
    position: relative;
    z-index: 1;
    border: 1px solid var(--color-border);
}

.card-details p {
    margin: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.card-details strong {
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.card-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    position: relative;
    z-index: 1;
}

.card-features li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-features li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: 700;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.card-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: auto;
    position: relative;
    z-index: 1;
}

.card-cta .btn {
    flex: 1;
    padding: var(--spacing-md);
    text-align: center;
}

/* Results header */
.results-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.results-count {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--border-radius-lg);
    color: var(--color-success);
    font-weight: 600;
    font-size: var(--font-size-sm);
    animation: fadeIn 0.3s ease-in-out;
}

.results-count i {
    font-size: var(--font-size-lg);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

body.dark-theme .results-count {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.4);
}

/* Highlight animation for filtered results */
@keyframes highlightSection {
    0% {
        background-color: transparent;
    }
    50% {
        background-color: rgba(37, 99, 235, 0.05);
    }
    100% {
        background-color: transparent;
    }
}

.ratings-section.highlight {
    animation: highlightSection 1.5s ease-in-out;
}

/* No results message */
.no-results {
    text-align: center;
    padding: var(--spacing-3xl);
    background: white;
    border-radius: var(--border-radius-xl);
    border: 2px dashed var(--color-border);
    margin-bottom: var(--spacing-2xl);
}

.no-results i {
    font-size: 4rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.no-results h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.no-results p {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

body.dark-theme .no-results {
    background: rgba(30, 41, 59, 0.5);
    border-color: var(--color-border);
}

/* ============================================
   Comparison Table
   ============================================ */
.comparison-section {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border: 1px solid var(--color-border);
}

.comparison-table thead {
    background: var(--color-text);
    color: white;
}

.comparison-table th {
    padding: var(--spacing-lg);
    text-align: left;
    font-weight: 700;
    border-bottom: 2px solid rgba(226, 232, 240, 0.5);
    font-family: var(--font-family-display);
}

.comparison-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(226, 232, 240, 0.3);
    font-family: var(--font-family);
}

.comparison-table tbody tr:hover {
    background: var(--color-background-alt);
    transition: background-color var(--transition-fast);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.table-rating {
    display: flex;
    gap: 2px;
}

/* ============================================
   Newsletter Section
   ============================================ */
.newsletter-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-text);
    color: white;
    position: relative;
    overflow: hidden;
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.newsletter-content h2 {
    margin-bottom: var(--spacing-md);
}

.newsletter-content p {
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    font-family: var(--font-family);
}

.newsletter-form input::placeholder {
    color: var(--color-text-light);
}

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

.newsletter-form .btn {
    white-space: nowrap;
    background: white;
    color: var(--color-primary);
}

.newsletter-form .btn:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-background-alt);
}

.faq-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.faq-item {
    padding: 0;
    background: white;
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
    overflow: hidden;
    position: relative;
}

.faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.faq-item:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.3);
}

.faq-item:hover::before {
    transform: scaleX(1);
}

.faq-item h3 {
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    font-family: var(--font-family-display);
    font-weight: 700;
    padding: var(--spacing-xl) var(--spacing-xl) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.faq-item h3::before {
    content: 'Q';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-weight: 800;
    flex-shrink: 0;
    font-family: var(--font-family-display);
}

.faq-item p {
    color: var(--color-text-light);
    margin: 0;
    font-size: var(--font-size-base);
    line-height: 1.7;
    font-family: var(--font-family);
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    padding-left: calc(var(--spacing-xl) + 36px + var(--spacing-md));
    position: relative;
}

.faq-item p::before {
    content: '';
    position: absolute;
    left: var(--spacing-xl);
    top: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.3), transparent);
    border-radius: 2px;
}

/* ============================================
   Reviews Section
   ============================================ */
.reviews-section {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.review-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 80px;
    font-family: Georgia, serif;
    color: rgba(37, 99, 235, 0.05);
    line-height: 1;
    font-weight: bold;
}

.review-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.3);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-md);
}

.reviewer-info {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.reviewer-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.reviewer-avatar i {
    color: white;
    font-size: var(--font-size-xl);
}

.reviewer-details {
    flex: 1;
}

.reviewer-name {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 4px 0;
    font-family: var(--font-family-display);
}

.reviewer-role {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
    font-family: var(--font-family);
}

.review-rating {
    display: flex;
    gap: 2px;
}

.review-rating i {
    color: var(--color-warning);
    font-size: var(--font-size-base);
}

.review-rating i.far {
    color: var(--color-border);
}

.review-body {
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.review-program {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(37, 99, 235, 0.1);
    padding: 4px 12px;
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(37, 99, 235, 0.2);
    font-family: var(--font-family-display);
}

.review-text {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.7;
    margin: 0;
    font-family: var(--font-family);
}

.review-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    opacity: 0.7;
    font-family: var(--font-family);
    display: flex;
    align-items: center;
    gap: 6px;
}

.review-date::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 50%;
}

/* ============================================
   Author Section
   ============================================ */
.author-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-background-alt);
    border-top: 1px solid var(--color-border);
}

.author-card {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-3xl);
    display: flex;
    gap: var(--spacing-3xl);
    align-items: flex-start;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
}

.author-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.author-avatar {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    position: relative;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius-xl);
    border: 3px solid var(--color-primary);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.2);
    transition: all var(--transition-base);
}

.author-card:hover .author-avatar img {
    transform: scale(1.05);
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.3);
}

.author-avatar::after {
    content: '';
    position: absolute;
    inset: -6px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--border-radius-xl);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.author-card:hover .author-avatar::after {
    opacity: 0.2;
}

.author-content {
    flex: 1;
}

.author-title {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-family);
}

.author-name {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-family-display);
}

.author-bio {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
    font-family: var(--font-family);
}

.author-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl) 0;
    border-top: 2px solid var(--color-border);
    border-bottom: 2px solid var(--color-border);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-family-display);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: 500;
    font-family: var(--font-family);
}

.author-expertise h4 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-family-display);
}

.author-expertise ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.author-expertise li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    font-family: var(--font-family);
}

.author-expertise li i {
    color: var(--color-success);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-text);
    color: rgba(255, 255, 255, 0.8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
    margin-bottom: var(--spacing-md);
    color: white;
    font-family: var(--font-family-display);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
    font-family: var(--font-family);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--color-primary);
    transform: translateX(2px);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: white;
    color: var(--color-text);
    border-color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(226, 232, 240, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
}

.footer-bottom p {
    margin: var(--spacing-sm) 0;
}

/* ============================================
   Icon Styles
   ============================================ */
i {
    display: inline-block;
}

.btn i,
.badge i,
.card-details i {
    opacity: 0.9;
}

.hamburger.active {
    color: var(--color-primary);
}

/* Hide mobile menu header on desktop */
.mobile-menu-header {
    display: none !important;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }

    .nav {
        position: relative;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        top: 50%;
        left: 0;
        transform: translateY(-50%) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        bottom: 50%;
        left: 0;
        transform: translateY(50%) rotate(-45deg);
    }

    .nav-menu {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-background);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-lg);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        max-height: 500px;
        opacity: 1;
        visibility: visible;
        padding: var(--spacing-lg);
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu li a {
        display: block;
        padding: var(--spacing-md);
        width: 100%;
        text-align: left;
    }

    body.dark-theme .nav-menu {
        background: var(--color-background-alt);
        border-color: var(--color-border);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }

    .hero {
        background-attachment: scroll;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .author-card {
        flex-direction: column;
        gap: var(--spacing-xl);
        padding: var(--spacing-xl);
        align-items: center;
    }

    .author-avatar {
        width: 150px;
        height: 150px;
    }

    .author-name {
        font-size: var(--font-size-2xl);
    }

    .author-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .author-expertise ul {
        grid-template-columns: 1fr;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .filters {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-actions {
        width: 100%;
        min-width: auto;
    }
    
    .btn-reset {
        width: 100%;
    }
    
    .archivators-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .card-cta {
        flex-direction: column;
    }
    
    .card-cta .btn {
        width: 100%;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        min-width: auto;
    }
    
    .newsletter-form .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .header {
        padding: var(--spacing-md) 0;
    }

    .logo {
        font-size: var(--font-size-base);
    }

    .logo i {
        font-size: var(--font-size-xl);
        padding: 6px;
    }

    .theme-toggle {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
    }

    .hamburger {
        padding: 0;
    }

    .hamburger span {
        width: 20px;
        height: 2px;
    }

    .nav-menu {
        top: 50px;
        left: 0;
        right: 0;
        border-radius: var(--border-radius-md);
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .nav-menu li a {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }

    .hero {
        padding: var(--spacing-2xl) 0;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .section-title {
        font-size: var(--font-size-xl);
    }

    .card {
        padding: var(--spacing-lg);
    }

    .card-icon {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }

    h2 {
        font-size: var(--font-size-2xl);
    }

    .author-avatar {
        width: 120px;
        height: 120px;
    }

    .author-card {
        padding: var(--spacing-lg);
    }

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

    .author-stats {
        padding: var(--spacing-md) 0;
    }

    .stat-value {
        font-size: var(--font-size-2xl);
    }

    .filters {
        flex-direction: column;
    }

    .filter-group {
        width: 100%;
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.hidden {
    display: none !important;
}

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

.mt-small {
    margin-top: var(--spacing-sm);
}

.mt-medium {
    margin-top: var(--spacing-md);
}

.mt-large {
    margin-top: var(--spacing-lg);
}

.mb-small {
    margin-bottom: var(--spacing-sm);
}

.mb-medium {
    margin-bottom: var(--spacing-md);
}

.mb-large {
    margin-bottom: var(--spacing-lg);
}

/* ===== PROS/CONS SECTION ===== */
.card-pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(37, 99, 235, 0.05);
    border-radius: var(--border-radius-md);
    border-left: 3px solid var(--color-primary);
}

.card-pros-cons .pros,
.card-pros-cons .cons {
    font-size: var(--font-size-sm);
}

.card-pros-cons strong {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    color: var(--color-text);
}

.card-pros-cons ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.card-pros-cons li {
    padding: 4px 0;
    color: var(--color-text-light);
    line-height: 1.5;
}

.card-pros-cons .pros strong {
    color: var(--color-success);
}

.card-pros-cons .cons strong {
    color: var(--color-danger);
}

/* ===== RECOMMENDED SECTION ===== */
.recommended-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-background-alt);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
    font-size: var(--font-size-base);
}

.recommended-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.recommended-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-base);
}

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

.recommended-badge {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.recommended-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.recommended-card h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.recommended-reason {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.recommended-stats {
    background: var(--color-background-alt);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
}

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

.stat-value {
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

/* ===== POPULAR SECTION ===== */
.popular-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.popular-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.popular-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--color-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.popular-item:hover {
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.15);
}

.popular-rank {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    border-radius: 50%;
    font-size: var(--font-size-xl);
    font-weight: 700;
    flex-shrink: 0;
}

.popular-info {
    flex: 1;
}

.popular-info h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0;
    margin-bottom: 4px;
    color: var(--color-text);
}

.popular-info p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
}

.popular-downloads {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

/* ===== ADVANCED FILTERS SECTION ===== */
.advanced-filters-section {
    padding: var(--spacing-3xl) 0;
    background: rgba(37, 99, 235, 0.02);
}

.advanced-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.filter-group {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.filter-group label {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    transition: color 0.2s;
}

.checkbox-label:hover {
    color: var(--color-primary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.rating-filter {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.rating-filter input[type="range"] {
    flex: 1;
    cursor: pointer;
    accent-color: var(--color-primary);
}

#ratingValue {
    font-weight: 700;
    color: var(--color-primary);
    min-width: 30px;
}

#applyFilters {
    grid-column: 1 / -1;
    margin-top: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

#applyFilters.filtering::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 0.8s;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ===== DARK THEME ===== */
body.dark-theme .card-pros-cons {
    background: rgba(37, 99, 235, 0.1);
    border-left-color: var(--color-primary);
}

body.dark-theme .recommended-card {
    background: var(--color-background-alt);
    border-color: var(--color-border);
}

body.dark-theme .recommended-stats {
    background: rgba(37, 99, 235, 0.1);
}

body.dark-theme .popular-item {
    background: var(--color-dark-card);
    border-left-color: var(--color-primary);
}

body.dark-theme .filter-group {
    background: var(--color-dark-card);
    border-color: rgba(37, 99, 235, 0.2);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .card-pros-cons {
        grid-template-columns: 1fr;
    }

    .recommended-grid {
        grid-template-columns: 1fr;
    }

    .popular-stats {
        grid-template-columns: 1fr;
    }

    .advanced-filters {
        grid-template-columns: 1fr;
    }

    #applyFilters {
        grid-column: 1;
    }

    .stat {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}