/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - Thème Violet et Rouge */
    --primary: #a855f7;
    --primary-dark: #7c3aed;
    --secondary: #ef4444;
    --accent: #ec4899;
    --bg-dark: #0f0a1a;
    --bg-darker: #080510;
    --bg-card: #1a1225;
    --bg-card-hover: #251a35;
    --text-primary: #ffffff;
    --text-secondary: #c8b0d8;
    --text-muted: #7a6a8a;
    --border: #2e1f3e;
    --gradient-1: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    --gradient-2: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-3: linear-gradient(135deg, #ec4899 0%, #a855f7 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(168, 85, 247, 0.4);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Rajdhani', sans-serif;
    --font-display: 'Orbitron', sans-serif;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   HEADER
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.logo-badge {
    background: var(--gradient-2);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 1px;
}

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

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s ease;
    letter-spacing: 0.5px;
}

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

.btn-nav {
    background: var(--gradient-1);
    color: var(--bg-dark) !important;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 700;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Language Selector */
.lang-selector {
    position: relative;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid var(--border);
}

.lang-selector-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.3);
    color: var(--text);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.lang-selector-btn:hover {
    background: rgba(168, 85, 247, 0.2);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.lang-icon {
    font-size: 1.2rem;
}

.lang-current {
    color: var(--text);
}

.lang-arrow {
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.lang-selector-btn:hover .lang-arrow {
    transform: translateY(2px);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: 12px;
    min-width: 200px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.lang-dropdown.active {
    max-height: 400px;
    opacity: 1;
    visibility: visible;
}

.lang-dropdown-scroll {
    max-height: 400px;
    overflow-y: auto;
    padding: 0.5rem;
}

.lang-dropdown-scroll::-webkit-scrollbar {
    width: 6px;
}

.lang-dropdown-scroll::-webkit-scrollbar-track {
    background: rgba(168, 85, 247, 0.1);
    border-radius: 10px;
}

.lang-dropdown-scroll::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

.lang-dropdown-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}

.lang-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    color: var(--text);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.lang-option:hover {
    background: rgba(168, 85, 247, 0.2);
    transform: translateX(5px);
}

.lang-option.active {
    background: rgba(168, 85, 247, 0.3);
    color: var(--primary);
    font-weight: 600;
}

.lang-option-name {
    flex: 1;
}

.lang-check {
    color: var(--primary);
    font-weight: bold;
    font-size: 1.1rem;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(236, 72, 153, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(239, 68, 68, 0.08) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.gradient-text {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 4px;
    text-transform: uppercase;
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { filter: drop-shadow(0 0 10px rgba(168, 85, 247, 0.5)); }
    50% { filter: drop-shadow(0 0 20px rgba(168, 85, 247, 0.8)); }
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 2px;
}

.hero-description {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-description strong {
    color: var(--primary);
    font-weight: 700;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--bg-dark);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--bg-dark);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================================
   SHOWCASE SECTION
   =================================== */
.showcase {
    padding: var(--spacing-xl) 0;
    background: var(--bg-darker);
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.showcase-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.showcase-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.showcase-item:hover img {
    transform: scale(1.1);
}

.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    padding: 2rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.showcase-item:hover .showcase-overlay {
    transform: translateY(0);
}

.showcase-overlay h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.showcase-overlay p {
    color: var(--text-secondary);
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features {
    padding: var(--spacing-xl) 0;
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.feature-category {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.feature-category.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-category:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px);
}

.category-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary);
    letter-spacing: 1px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-text strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.feature-text p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ===================================
   PERFORMANCE SECTION
   =================================== */
.performance {
    padding: var(--spacing-xl) 0;
    background: var(--bg-darker);
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.performance-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.performance-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.performance-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    transform: translateY(-8px);
}

.performance-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.performance-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--accent);
}

.performance-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===================================
   PRICING SECTION
   =================================== */
.pricing {
    padding: var(--spacing-xl) 0;
    background: var(--bg-dark);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.pricing-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.2);
}

.pricing-card.lifetime {
    border-color: var(--secondary);
    box-shadow: 0 0 30px rgba(255, 0, 85, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient-3);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.popular-badge {
    background: var(--gradient-1);
}

.best-badge {
    background: var(--gradient-2);
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.pricing-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.currency {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.amount {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.price-period {
    color: var(--text-muted);
    font-size: 1rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.btn-pricing {
    width: 100%;
    background: var(--gradient-3);
    color: var(--text-primary);
    text-align: center;
    display: block;
}

.btn-popular {
    background: var(--gradient-1);
    color: var(--bg-dark);
}

.btn-lifetime {
    background: var(--gradient-2);
    color: var(--text-primary);
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--bg-darker);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.about-text h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.about-text p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.about-team h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--primary);
}

.team-members {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.team-member {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.team-member:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.member-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--bg-dark);
    margin: 0 auto 1rem;
}

.team-member h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.team-member p {
    color: var(--text-muted);
}

/* ===================================
   WARNING SECTION
   =================================== */
.warning {
    padding: var(--spacing-lg) 0;
    background: var(--bg-dark);
}

.warning-box {
    background: rgba(255, 0, 85, 0.1);
    border: 2px solid var(--secondary);
    border-radius: 12px;
    padding: 2.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.warning-box h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.warning-box p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.warning-box strong {
    color: var(--text-primary);
}

.warning-note {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 0, 85, 0.3);
    font-style: italic;
    color: var(--text-muted);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.footer-credit {
    color: var(--text-muted);
    font-style: italic;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.payment-badges {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.badge {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-bottom strong {
    color: var(--primary);
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }
}

@media (max-width: 768px) {
    .gradient-text {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .nav {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

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

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Stagger animation delays */
.feature-category:nth-child(1) { transition-delay: 0.1s; }
.feature-category:nth-child(2) { transition-delay: 0.2s; }
.feature-category:nth-child(3) { transition-delay: 0.3s; }
.feature-category:nth-child(4) { transition-delay: 0.4s; }
.feature-category:nth-child(5) { transition-delay: 0.5s; }
.feature-category:nth-child(6) { transition-delay: 0.6s; }

.pricing-card:nth-child(1) { transition-delay: 0.1s; }
.pricing-card:nth-child(2) { transition-delay: 0.2s; }
.pricing-card:nth-child(3) { transition-delay: 0.3s; }
.pricing-card:nth-child(4) { transition-delay: 0.4s; }
.pricing-card:nth-child(5) { transition-delay: 0.5s; }

.performance-card:nth-child(1) { transition-delay: 0.1s; }
.performance-card:nth-child(2) { transition-delay: 0.2s; }
.performance-card:nth-child(3) { transition-delay: 0.3s; }
.performance-card:nth-child(4) { transition-delay: 0.4s; }