/* ========================================
   Dark Mode pour Landing Page - Leadsmax
   Style inspiré de Cursor
   ======================================== */

/* Variables Dark Mode */
[data-theme="dark"] {
    /* Couleurs de fond */
    --bg-primary: #0A0A0A;
    --bg-secondary: #141414;
    --bg-tertiary: #1A1A1A;
    --bg-elevated: #1F1F1F;
    --bg-overlay: rgba(0, 0, 0, 0.8);
    
    /* Couleurs de texte */
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1AA;
    --text-tertiary: #71717A;
    
    /* Couleurs primaires ajustées pour dark */
    --primary-600: #3B82F6;
    --primary-700: #2563EB;
    --primary-800: #1D4ED8;
    --primary-50: rgba(59, 130, 246, 0.1);
    --primary-100: rgba(59, 130, 246, 0.2);
    
    /* Couleurs neutres ajustées */
    --neutral-50: #1A1A1A;
    --neutral-100: #262626;
    --neutral-200: #404040;
    --neutral-300: #525252;
    --neutral-400: #737373;
    --neutral-500: #A3A3A3;
    --neutral-600: #D4D4D4;
    --neutral-700: #E5E5E5;
    --neutral-800: #F5F5F5;
    --neutral-900: #FAFAFA;
    
    /* Bordures */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
    
    /* Ombres ajustées pour dark */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.6), 0 8px 10px -6px rgb(0 0 0 / 0.6);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.7);
    
    /* Effets glassmorphism */
    --glass-bg: rgba(26, 26, 26, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

/* Body en dark mode */
[data-theme="dark"] body {
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* Header */
[data-theme="dark"] .modern-header {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .brand-text {
    color: var(--text-primary);
}

[data-theme="dark"] .brand-accent {
    background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .logo-icon {
    background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
}

[data-theme="dark"] .nav-link {
    color: var(--text-secondary);
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
    color: var(--text-primary);
}

[data-theme="dark"] .btn-ghost {
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .btn-ghost:hover {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
}

[data-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    border: none;
}

[data-theme="dark"] .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(59, 130, 246, 0.3);
}

/* Hero Section */
[data-theme="dark"] .modern-hero {
    background: var(--bg-primary);
}

[data-theme="dark"] .gradient-text {
    background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 50%, #EC4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .hero-subtitle {
    color: var(--text-secondary);
}

[data-theme="dark"] .stats-grid {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

[data-theme="dark"] .stat-number {
    color: var(--text-primary);
}

[data-theme="dark"] .stat-label {
    color: var(--text-tertiary);
}

/* Features Section */
[data-theme="dark"] .features-section {
    background: var(--bg-secondary);
}

[data-theme="dark"] .section-title {
    color: var(--text-primary);
}

[data-theme="dark"] .section-subtitle {
    color: var(--text-secondary);
}

[data-theme="dark"] .feature-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .feature-card:hover {
    background: var(--bg-elevated);
    border-color: var(--primary-600);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .feature-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    color: #3B82F6;
}

[data-theme="dark"] .feature-card h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .feature-card p {
    color: var(--text-secondary);
}

/* Pricing Section */
[data-theme="dark"] .pricing-section {
    background: var(--bg-primary);
}

[data-theme="dark"] .pricing-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .pricing-card.popular {
    background: var(--bg-elevated);
    border-color: var(--primary-600);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .pricing-card h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .pricing-card .price {
    color: var(--text-primary);
}

[data-theme="dark"] .pricing-card .price-period {
    color: var(--text-tertiary);
}

[data-theme="dark"] .pricing-features li {
    color: var(--text-secondary);
}

[data-theme="dark"] .pricing-features li i {
    color: var(--primary-600);
}

/* Contact Section */
[data-theme="dark"] .contact-section {
    background: var(--bg-secondary);
}

[data-theme="dark"] .contact-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .contact-card:hover {
    border-color: var(--primary-600);
}

[data-theme="dark"] .contact-card h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .contact-card p {
    color: var(--text-secondary);
}

[data-theme="dark"] .contact-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    color: #3B82F6;
}

/* Footer */
[data-theme="dark"] .modern-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

[data-theme="dark"] .footer-content h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .footer-links a {
    color: var(--text-secondary);
}

[data-theme="dark"] .footer-links a:hover {
    color: var(--primary-600);
}

[data-theme="dark"] .footer-bottom {
    border-top: 1px solid var(--border-color);
    color: var(--text-tertiary);
}

/* Formulaires */
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
    border-color: var(--primary-600);
    background: var(--bg-tertiary);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-tertiary);
}

/* Scrollbar */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 12px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--neutral-400);
    border-radius: 6px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--neutral-500);
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.6);
}

.theme-toggle:active {
    transform: translateY(-2px);
}

[data-theme="dark"] .theme-toggle {
    background: linear-gradient(135deg, #1F1F1F 0%, #2A2A2A 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Animation d'entrée */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-theme="dark"] .fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Effets de brillance */
[data-theme="dark"] .glow-effect {
    position: relative;
}

[data-theme="dark"] .glow-effect::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #3B82F6, #8B5CF6, #EC4899);
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    filter: blur(10px);
}

[data-theme="dark"] .glow-effect:hover::before {
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .theme-toggle {
        width: 48px;
        height: 48px;
        bottom: 20px;
        right: 20px;
        font-size: 20px;
    }
}