/**
 * DIXPLAYER - Modern Clean Design
 * Palette: Vert Néon (#00FF99) + Blanc + Noir
 */

/* ============= Variables ============= */
:root {
    /* Couleurs principales - Dark Mode */
    --neon-green: #00FF99;
    --neon-green-dark: #00CC7A;
    --neon-green-light: #33FFB3;
    --pure-white: #FFFFFF;
    --pure-black: #000000;
    --dark-bg: #0A0A0A;
    --dark-surface: #141414;
    --dark-card: #1A1A1A;
    --gray-text: #B0B0B0;
    --gray-border: #2A2A2A;
    
    /* Gradients */
    --gradient-neon: linear-gradient(135deg, #00FF99 0%, #00CC7A 100%);
    --gradient-dark: linear-gradient(180deg, #000000 0%, #0A0A0A 100%);
    
    /* Shadows */
    --shadow-neon: 0 0 20px rgba(0, 255, 153, 0.3);
    --shadow-neon-strong: 0 0 40px rgba(0, 255, 153, 0.5);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.5);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

/* ============= Light Mode Variables ============= */
[data-theme="light"] {
    /* Couleurs principales - Light Mode */
    --pure-white: #000000;
    --pure-black: #FFFFFF;
    --dark-bg: #F5F5F5;
    --dark-surface: #FFFFFF;
    --dark-card: #FFFFFF;
    --gray-text: #4A4A4A;
    --gray-border: #E0E0E0;
    
    /* Gradients */
    --gradient-dark: linear-gradient(180deg, #FFFFFF 0%, #F5F5F5 100%);
    
    /* Shadows */
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* ============= Theme Toggle Button ============= */
.theme-toggle {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--gray-border);
    border-radius: 8px;
    padding: 0.5rem;
    color: var(--pure-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: rgba(0, 255, 153, 0.1);
    border-color: var(--neon-green);
    transform: scale(1.05);
}

.theme-toggle i {
    font-size: 1.2rem;
}

/* ============= Reset & Base ============= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    background: var(--dark-bg);
    color: var(--pure-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============= Typography ============= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-text);
}

/* ============= Navigation Moderne ============= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-border);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.navbar-brand img {
    height: 40px;
    transition: all 0.3s ease;
}

.navbar-brand:hover img {
    filter: drop-shadow(var(--shadow-neon));
}

.nav-link {
    color: var(--pure-white) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--neon-green);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* ============= Buttons Modernes ============= */
.btn-neon {
    background: var(--gradient-neon);
    color: var(--pure-black);
    font-weight: 600;
    font-size: 1rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-neon);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-neon:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-neon-strong);
    color: var(--pure-black);
}

.btn-outline {
    background: transparent;
    color: var(--neon-green);
    border: 2px solid var(--neon-green);
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline:hover {
    background: var(--neon-green);
    color: var(--pure-black);
    transform: translateY(-2px);
}

/* ============= Hero Section Ultra Moderne ============= */
.hero-modern {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-xl) 0;
    background: var(--gradient-dark);
    overflow: hidden;
}

.hero-modern::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 255, 153, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-logo {
    max-width: 500px;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(var(--shadow-neon));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--gray-text);
    font-weight: 400;
    margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
    color: var(--neon-green);
    font-weight: 700;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neon-green);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-text);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============= Section Moderne ============= */
.section-modern {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.section-title {
    color: var(--pure-white);
    margin-bottom: var(--spacing-sm);
}

.section-title .highlight {
    color: var(--neon-green);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-text);
}

/* ============= Cards Modernes ============= */
.card-modern {
    background: var(--dark-card);
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all 0.3s ease;
    height: 100%;
}

.card-modern:hover {
    transform: translateY(-8px);
    border-color: var(--neon-green);
    box-shadow: var(--shadow-neon);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-neon);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--pure-black);
}

.card-title {
    font-size: 1.25rem;
    color: var(--pure-white);
    margin-bottom: var(--spacing-xs);
}

.card-text {
    color: var(--gray-text);
    font-size: 1rem;
    line-height: 1.6;
}

/* ============= Steps Section ============= */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.step-item {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-neon);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pure-black);
    margin: 0 auto var(--spacing-sm);
    box-shadow: var(--shadow-neon);
}

.step-title {
    font-size: 1.125rem;
    color: var(--pure-white);
    margin-bottom: var(--spacing-xs);
}

.step-text {
    color: var(--gray-text);
    font-size: 0.95rem;
}

/* ============= Devices Grid ============= */
.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.device-card {
    background: var(--dark-card);
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.device-card:hover {
    border-color: var(--neon-green);
    transform: translateY(-4px);
}

.device-card.coming-soon {
    opacity: 0.7;
}

.device-card.coming-soon .device-icon {
    color: var(--gray-text);
}

.badge-coming-soon {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 255, 153, 0.1);
    border: 1px solid var(--neon-green);
    border-radius: 20px;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    color: var(--neon-green);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.device-icon {
    font-size: 3rem;
    color: var(--neon-green);
    margin-bottom: var(--spacing-sm);
}

.device-name {
    font-size: 1.125rem;
    color: var(--pure-white);
    font-weight: 600;
}

/* ============= Footer Moderne ============= */
.footer-modern {
    background: var(--dark-surface);
    border-top: 1px solid var(--gray-border);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-logo {
    max-width: 200px;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(var(--shadow-neon));
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--gray-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--neon-green);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--dark-card);
    border: 1px solid var(--gray-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pure-white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--neon-green);
    color: var(--pure-black);
    border-color: var(--neon-green);
}

/* ============= Scroll to Top ============= */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-neon);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pure-black);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-neon);
    z-index: 999;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-neon-strong);
}

/* ============= Responsive ============= */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero-logo {
        max-width: 300px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .devices-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .devices-grid {
        grid-template-columns: 1fr;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ============= Utilities ============= */
.text-neon {
    color: var(--neon-green);
}

.bg-dark {
    background: var(--dark-bg);
}

.bg-darker {
    background: var(--dark-surface);
}

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


/* ============= Mobile Navigation ============= */
.mobile-menu-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--gray-border);
    border-radius: 8px;
    color: var(--pure-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: rgba(0, 255, 153, 0.1);
    border-color: var(--neon-green);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

@media (max-width: 1024px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        background: var(--dark-surface);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-150%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-bottom: 1px solid var(--gray-border);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        max-height: calc(100vh - 73px);
        overflow-y: auto;
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 1rem !important;
        font-size: 1.1rem;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.03);
    }
    
    .nav-link:hover {
        background: rgba(0, 255, 153, 0.1);
    }
    
    .theme-toggle {
        width: 100%;
        height: 50px;
        justify-content: center;
    }
    
    .lang-selector {
        width: 100%;
    }
    
    .lang-btn {
        width: 100%;
        justify-content: center;
        padding: 1rem;
    }
    
    .lang-dropdown {
        left: 0;
        right: 0;
        width: 100%;
    }
    
    .btn-neon {
        width: 100%;
        justify-content: center;
        padding: 1rem 2rem !important;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .navbar-brand img {
        height: 32px;
    }
    
    .nav-menu {
        padding: 1.5rem;
        gap: 1rem;
    }
}

/* ============= Loading Animation ============= */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-logo {
    width: 200px;
    animation: pulse 2s ease-in-out infinite;
}

/* ============= Scroll Reveal ============= */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ============= Glowing Text Effect ============= */
.glow-text {
    text-shadow: 0 0 10px rgba(0, 255, 153, 0.5),
                 0 0 20px rgba(0, 255, 153, 0.3),
                 0 0 30px rgba(0, 255, 153, 0.2);
}

/* ============= Badge ============= */
.badge-neon {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 153, 0.1);
    border: 1px solid var(--neon-green);
    border-radius: var(--radius-sm);
    color: var(--neon-green);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============= Divider ============= */
.divider-neon {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
    margin: var(--spacing-lg) 0;
}

/* ============= Tooltip ============= */
.tooltip-modern {
    position: relative;
    display: inline-block;
}

.tooltip-modern::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1rem;
    background: var(--dark-card);
    border: 1px solid var(--neon-green);
    border-radius: var(--radius-sm);
    color: var(--pure-white);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    margin-bottom: 0.5rem;
}

.tooltip-modern:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ============= Progress Bar ============= */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-neon);
    z-index: 9999;
    transition: width 0.3s ease;
    box-shadow: var(--shadow-neon);
}

/* ============= Cookie Banner ============= */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark-surface);
    border-top: 1px solid var(--gray-border);
    padding: 1.5rem;
    z-index: 999;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
}

/* ============= Print Styles ============= */
@media print {
    .navbar,
    .scroll-top,
    .cookie-banner {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* ============= High Contrast Mode ============= */
@media (prefers-contrast: high) {
    :root {
        --neon-green: #00FFAA;
        --gray-text: #CCCCCC;
    }
}

/* ============= Reduced Motion ============= */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}