/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Couleurs Apple-inspired */
    --primary-color: #007AFF;
    --primary-dark: #0056CC;
    --secondary-color: #5856D6;
    --accent-color: #FF3B30;
    --success-color: #34C759;
    --warning-color: #FF9500;
    
    /* Couleurs de fond */
    --bg-primary: #000000;
    --bg-secondary: #1C1C1E;
    --bg-tertiary: #2C2C2E;
    --bg-card: rgba(255, 255, 255, 0.05);
    
    /* Couleurs de texte */
    --text-primary: #FFFFFF;
    --text-secondary: #8E8E93;
    --text-tertiary: #636366;
    
    /* Typographie */
    --font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --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;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Bordures */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    --border-radius-full: 9999px;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

html {
    scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-logo i {
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.language-selector {
    position: relative;
    display: inline-block;
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    min-width: 50px;
    height: 40px;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.lang-btn i {
    font-size: var(--font-size-xs);
    transition: transform var(--transition-normal);
    color: rgba(255, 255, 255, 0.9);
}

.language-selector.active .lang-btn i {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-xs));
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xs);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.language-selector.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    width: 100%;
    background: transparent;
    border: none;
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    text-align: left;
}

.lang-option:hover {
    background: rgba(255, 255, 255, 0.1);
}

.lang-option.active {
    background: rgba(0, 122, 255, 0.2);
    color: var(--primary-color);
}

.flag-icon {
    font-size: var(--font-size-lg);
    line-height: 1;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
    position: relative;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
    border-radius: 2px;
}

.nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: visible;
    padding: 0 var(--spacing-lg);
}

/* Agrandissement spécifique desktop */
@media (min-width: 1200px) {
    .hero-visual .phone-mockup .phone-image {
        width: 450px !important;
        max-width: 450px !important;
    }
}

.hero-content {
    max-width: 2400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    max-width: 600px;
    text-align: left;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(50px);
    animation: slideUp 0.8s ease-out forwards;
}

.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.2s; }
.title-line:nth-child(3) { animation-delay: 0.3s; }

.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease-out 0.4s forwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease-out 0.5s forwards;
}

.btn-primary, .btn-secondary {
    padding: var(--spacing-lg) var(--spacing-2xl);
    border: none;
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    min-height: 500px;
    z-index: 1;
    overflow: visible;
    margin-bottom: var(--spacing-xl);
}

.phone-mockup {
    position: relative;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
    transition: var(--transition-slow);
    width: 100%;
    max-width: 1200px;
    display: block;
    z-index: 1;
}

.phone-mockup:hover {
    transform: perspective(1000px) rotateY(-10deg) rotateX(2deg) scale(1.05);
}

.hero-visual .phone-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: var(--border-radius-2xl);
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.gradient-orb {
    position: absolute;
    border-radius: 16px;
    filter: blur(100px);
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
    display: none;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--accent-color), var(--warning-color));
    bottom: 20%;
    left: 10%;
    animation-delay: 2s;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--success-color), var(--primary-color));
    top: 50%;
    left: 50%;
    animation-delay: 4s;
}

/* Sections communes */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.contact .section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-secondary);
}

.features-container {
    position: relative;
}

.features-slider-wrapper {
    overflow: visible;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
}

/* Slider controls */
.slider-controls {
    display: none;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.slider-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.slider-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.slider-btn:disabled:hover {
    transform: scale(1);
    background: var(--bg-card);
    border-color: rgba(255, 255, 255, 0.2);
}

.slider-dots {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-normal);
}

.slider-dot.active {
    background: var(--primary-color);
    width: 30px;
    border-radius: 5px;
}

.feature-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 122, 255, 0.3);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.feature-icon i {
    font-size: var(--font-size-xl);
    color: white;
}

.feature-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

/* Screenshots Section - Style Apple Design Container */
.screenshots {
    padding: var(--spacing-4xl) 0;
    background: #1d1d1f;
}

.apple-design-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    background: #1d1d1f;
}

.design-content {
    background: #000000;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    height: 800px;
    position: relative;
}


.design-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 72px 80px;
    background: #000;
}

.design-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.design-chip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 26px;
    border-radius: 20px;
    background: rgba(28, 28, 30, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(235, 235, 245, 0.9);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition: background 0.35s cubic-bezier(0.4, 0, 0.2, 1), 
                border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                padding 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                align-items 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    max-width: 500px;
    width: 100%;
    text-align: left;
}

.chip-content {
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 1;
    min-width: 0;
    justify-content: center;
    align-items: flex-start;
}

.design-chip.is-active .chip-content {
    justify-content: flex-start;
    gap: 8px;
}

.chip-label {
    display: block;
    line-height: 1.2;
}

.chip-description {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    font-size: 15px;
    font-weight: 400;
    color: rgba(235, 235, 245, 0.7);
    line-height: 1.5;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                margin-top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: 0;
    padding: 0;
}

.design-chip.is-active .chip-description {
    opacity: 1;
    max-height: 200px;
    margin-top: 8px;
}

.design-chip.is-active {
    padding: 18px 26px 24px 26px;
    align-items: flex-start;
}

.design-chip::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid rgba(255, 255, 255, 0.18);
    opacity: 0;
    transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.design-chip:hover {
    background: rgba(44, 44, 46, 0.9);
    transform: translateX(4px);
}

.design-chip.is-active {
    background: rgba(44, 44, 46, 0.95);
    border-color: rgba(0, 122, 255, 0.35);
    color: #FFFFFF;
}

.design-chip.is-active::after {
    opacity: 1;
}

.design-chip .chip-arrow {
    display: inline-flex;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                margin-top 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    margin-top: 0;
}

.design-chip.is-active .chip-arrow {
    transform: rotate(45deg);
    margin-top: 2px;
}



.design-item.expandable.expanded .item-description,
.colors-item.expanded .item-description {
    display: block;
}

.design-item.expandable.expanded,
.colors-item.expanded {
    background: rgba(44, 44, 46, 0.95);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

.design-item.expandable .plus-indicator {
    background: rgba(28, 28, 30, 0.8);
    border-color: rgba(255, 255, 255, 0.15);
}

.design-item.active:not(.expandable) .plus-indicator {
    color: #007AFF;
    background: rgba(0, 122, 255, 0.12);
    border-color: rgba(0, 122, 255, 0.3);
    transform: scale(1.05);
}

/* Expandable items - Base styles */
.design-item.expandable {
    cursor: pointer;
    position: relative;
    overflow: hidden;
    background: rgba(28, 28, 30, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: width 2s cubic-bezier(0.4, 0, 0.2, 1), background 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.design-item.expandable:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.16);
}

.design-item.expandable:not(:hover) {
    background: rgba(28, 28, 30, 0.8);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateX(0);
}

.design-item.expandable .item-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.design-item.expandable .item-title {
    font-weight: 600;
    color: #FFFFFF;
    font-size: 17px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.design-item.expandable .item-description {
    font-size: 15px;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.85);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(-15px);
    margin-top: 0;
}

/* Expanded state */
.design-item.expandable.expanded {
    background: rgba(28, 28, 30, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    padding: 18px 24px;
    min-height: 60px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    position: relative;
}

.design-item.expandable.expanded:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.16);
    transform: translateX(2px);
}

.design-item.expandable.expanded .item-title {
    opacity: 0;
    max-height: 0;
    margin: 0;
    overflow: hidden;
}

.design-item.expandable.expanded .item-description {
    opacity: 1;
    max-height: 300px;
    margin-top: 0;
    transform: translateY(0);
    transition-delay: 0.1s;
}

.design-item.expandable.expanded .plus-indicator {
    transform: rotate(135deg) scale(1.1);
    background: rgba(0, 122, 255, 0.2);
    border-color: rgba(0, 122, 255, 0.4);
    box-shadow: 0 0 12px rgba(0, 122, 255, 0.3);
    animation: pulse 1.5s ease-in-out infinite;
}

/* Pulse animation */
@keyframes pulse {
    0%, 100% {
        transform: rotate(135deg) scale(1.1);
        box-shadow: 0 0 12px rgba(0, 122, 255, 0.3);
    }
    50% {
        transform: rotate(135deg) scale(1.15);
        box-shadow: 0 0 20px rgba(0, 122, 255, 0.5);
    }
}

/* Underline animation */
@keyframes underline {
    from {
        opacity: 0;
        transform: scaleX(0);
    }
    to {
        opacity: 1;
        transform: scaleX(1);
    }
}

/* Decorative elements */
.design-item.expandable.expanded::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 24px;
    right: 24px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #007AFF, transparent);
    opacity: 0;
    animation: underline 0.6s ease-out 0.3s forwards;
}

/* Effet de glassmorphism pour les boutons ouverts */
.design-item.expandable.expanded {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.phone-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000000;
    padding: 60px 0;
    overflow: visible;
    min-height: 400px;
}

.phone-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
    min-height: 400px;
}

.phone-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotateY(-8deg) scale(0.9);
    width: 420px;
    height: auto;
    border-radius: 24px;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                filter 0.4s ease-out;
    opacity: 0;
    z-index: 1;
    object-fit: contain;
    filter: brightness(1) drop-shadow(0 6px 12px rgba(0, 0, 0, 0.3));
}

.phone-image.active {
    opacity: 1;
    transform: translate(-50%, -50%) rotateY(-8deg) scale(1);
    z-index: 2;
}

.phone-image.active:hover {
    transform: translate(-50%, -50%) rotateY(-3deg) translateY(-10px) scale(1.08);
    filter: brightness(1.05) drop-shadow(0 10px 20px rgba(0, 122, 255, 0.4));
}

/* Animation d'apparition */
.apple-design-container {
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

/* Responsive pour le design Apple */
@media (max-width: 1024px) {
    .apple-design-container {
        padding: 0 var(--spacing-md);
    }
    
    .design-content {
        grid-template-columns: 1fr;
        gap: 0;
        height: auto;
        min-height: 700px;
        overflow: visible;
    }

    .design-panel {
        padding: var(--spacing-xl) var(--spacing-lg) 40px var(--spacing-lg);
        order: 2;
        gap: 14px;
        overflow: visible;
    }
    
    .design-list {
        gap: 14px;
        width: 100%;
    }
    
    .design-chip {
        padding: 16px 22px;
        font-size: 16px;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .chip-description {
        font-size: 14px;
    }

    .phone-visual {
        min-height: 400px;
        height: auto;
        order: 1;
        padding: 40px var(--spacing-lg);
        overflow: visible;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: var(--spacing-3xl);
    }
    
    .phone-container {
        min-height: 400px;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        overflow: visible;
    }

    .phone-image {
        width: 360px;
        max-width: 100%;
        height: auto;
        object-fit: contain;
        position: absolute !important;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        margin: 0;
    }
    
    .phone-image.active {
        transform: translate(-50%, -50%) !important;
    }
}

@media (max-width: 768px) {
    .apple-design-container {
        padding: 0 var(--spacing-sm);
    }
    
    .design-content {
        overflow: visible;
    }
    
    .design-panel {
        padding: var(--spacing-xl) var(--spacing-md) 30px var(--spacing-md);
        gap: 12px;
        overflow: visible;
    }
    
    .design-list {
        max-width: 100%;
        padding: 0;
        gap: 12px;
        width: 100%;
    }
    
    .design-chip {
        padding: 14px 20px;
        font-size: 15px;
        gap: 16px;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }

    .phone-visual {
        min-height: 350px;
        height: auto;
        padding: 30px var(--spacing-md);
        overflow: visible;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: var(--spacing-3xl);
    }
    
    .phone-container {
        min-height: 350px;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        overflow: visible;
    }

    .phone-image {
        width: 300px;
        max-width: 90%;
        height: auto;
        object-fit: contain;
        position: absolute !important;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        margin: 0;
    }
    
    .phone-image.active {
        transform: translate(-50%, -50%) !important;
    }
    
    .design-chip {
        padding: 14px 20px;
        font-size: 15px;
        gap: 16px;
        max-width: 100%;
    }
    
    .design-chip.is-active {
        padding: 14px 20px 20px 20px;
    }
    
    .design-chip .chip-arrow {
        width: 30px;
        height: 30px;
        font-size: 16px;
    }
    
    .chip-description {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .apple-design-container {
        padding: 0 var(--spacing-xs);
    }
    
    .design-content {
        height: auto;
        border-radius: 20px;
        overflow: visible;
    }
    
    .design-panel {
        padding: 20px var(--spacing-sm);
        overflow: visible;
    }

    .phone-visual {
        min-height: 300px;
        height: auto;
        padding: 20px var(--spacing-sm);
        overflow: visible;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: var(--spacing-2xl);
    }
    
    .phone-container {
        min-height: 300px;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        overflow: visible;
    }

    .phone-image {
        width: 270px;
        max-width: 85%;
        height: auto;
        object-fit: contain;
        position: absolute !important;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        margin: 0;
    }
    
    .phone-image.active {
        transform: translate(-50%, -50%) !important;
    }

    .design-list {
        padding: 0;
        width: 100%;
    }
    
    .design-chip {
        width: 100%;
        box-sizing: border-box;
    }

    .design-panel {
        padding: 20px 0;
    }
}

/* Download Section */
.download {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-secondary);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.download-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.download-buttons {
    margin-bottom: var(--spacing-2xl);
    display: flex;
    justify-content: center;
}

.btn-download {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

.btn-download:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-download i {
    font-size: var(--font-size-2xl);
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-small {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.btn-large {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

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

.download-info p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.download-info i {
    color: var(--success-color);
}

.download-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-stack {
    position: relative;
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: center;
    transform: perspective(1000px) rotateY(-10deg);
}

.phone-stack-1, .phone-stack-2 {
    width: 250px;
    height: auto;
    border-radius: var(--border-radius-xl);
    position: relative;
}

.phone-stack-1 {
    z-index: 2;
}

.phone-stack-2 {
    z-index: 1;
    opacity: 0.9;
    transform: scale(0.95);
}

/* Contact Section */
.contact {
    padding: var(--spacing-2xl) 0 12rem 0;
    background: var(--bg-primary);
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

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

.contact-block {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.contact-block:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 122, 255, 0.3);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.contact-icon i {
    font-size: var(--font-size-2xl);
    color: white;
}

.contact-block h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.contact-block p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.contact-email {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-lg);
    font-weight: 600;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.email-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-color));
}

.email-link i {
    font-size: var(--font-size-xl);
}

/* Footer */
.footer {
    background: var(--bg-tertiary);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-4xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    color: var(--primary-color);
}

.footer-logo .logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
}

.footer-column h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-fast);
}

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

.footer-social-column {
    display: flex;
    flex-direction: column;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-top: var(--spacing-sm);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-decoration: none;
    transition: var(--transition-normal);
    flex-shrink: 0;
    box-sizing: border-box;
    position: relative;
}

.social-icon i {
    transition: var(--transition-normal);
    font-size: var(--font-size-lg);
    line-height: 1;
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.social-youtube {
    color: #FF0000;
}

.social-youtube:hover {
    background: rgba(255, 0, 0, 0.2);
    border-color: #FF0000;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 0, 0, 0.3);
}

.social-youtube:hover i {
    transform: scale(1.15);
    color: #FF0000;
}

.social-tiktok {
    color: #FF0050;
}

.social-tiktok:hover {
    background: rgba(147, 51, 234, 0.2);
    border-color: #9333ea;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(147, 51, 234, 0.3);
}

.social-tiktok:hover i {
    transform: scale(1.15);
    color: #FF0050;
}

.social-instagram {
    color: #E85D04;
}

.social-instagram:hover {
    background: rgba(232, 93, 4, 0.2);
    border-color: #E85D04;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(232, 93, 4, 0.3);
}

.social-instagram:hover i {
    transform: scale(1.15);
    color: #E85D04;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-tertiary);
}

/* Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    
    .feature-card {
        padding: var(--spacing-md);
    }
    
    .feature-icon {
        width: 44px;
        height: 44px;
        margin-bottom: var(--spacing-sm);
    }
    
    .feature-icon i {
        font-size: var(--font-size-lg);
    }
    
    .feature-card h3 {
        font-size: var(--font-size-base);
    }
    
    .feature-card p {
        font-size: var(--font-size-xs);
    }
    
    .hero {
        min-height: auto;
        padding: calc(var(--spacing-4xl) + 100px) var(--spacing-md) var(--spacing-4xl);
        overflow: visible;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
        display: flex;
        flex-direction: column;
        min-height: calc(100vh - 200px);
        padding-top: var(--spacing-2xl);
        padding-bottom: var(--spacing-2xl);
    }
    
    .hero-visual {
        order: -1;
        min-height: auto;
        height: auto;
        margin-bottom: var(--spacing-2xl);
        padding-top: var(--spacing-4xl);
        overflow: visible;
    }
    
    .phone-mockup {
        transform: none;
        max-width: 100%;
        overflow: visible;
    }

    .hero-visual .phone-image {
        width: 216px;
        max-width: 216px;
        object-fit: contain;
    }

    .hero-text {
        margin-top: auto;
        margin-bottom: 0;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
        margin-bottom: var(--spacing-md);
        margin-top: 0;
    }
    
    .hero-description {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-lg);
        margin-top: 0;
    }
    
    .hero-buttons {
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
        margin-bottom: 0;
    }
    
    .btn-primary {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
    
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .language-selector {
        margin-left: var(--spacing-md);
    }
    
    .lang-btn {
        width: 35px;
        height: 35px;
        padding: var(--spacing-xs);
    }
    
    .hero {
        min-height: auto;
        padding: calc(var(--spacing-4xl) + 100px) var(--spacing-md) var(--spacing-4xl);
        overflow: visible;
    }
    
    .hero-content {
        gap: var(--spacing-lg);
        padding-top: var(--spacing-2xl);
        padding-bottom: var(--spacing-2xl);
        display: flex;
        flex-direction: column;
        min-height: calc(100vh - 200px);
    }
    
    .hero-visual {
        min-height: auto;
        height: auto;
        margin-bottom: var(--spacing-4xl);
        padding-top: var(--spacing-4xl);
        overflow: visible;
    }
    
    .hero-text {
        margin-top: var(--spacing-4xl);
        margin-bottom: var(--spacing-xl);
    }

    .hero-visual .phone-image {
        width: 216px;
        max-width: 216px;
        object-fit: contain;
    }

    .phone-mockup {
        transform: none;
        max-width: 100%;
        overflow: visible;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--spacing-sm);
        margin-top: var(--spacing-lg);
    }
    
    .hero-description {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-md);
        margin-top: 0;
    }
    
    .hero-buttons {
        margin-top: var(--spacing-lg);
        margin-bottom: 0;
    }
    
    .btn-primary {
        padding: var(--spacing-md) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        flex-direction: column;
        padding: var(--spacing-xl) var(--spacing-lg);
        gap: var(--spacing-lg);
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    }
    
    .nav-menu.active {
        transform: translateX(0);
        display: flex;
    }
    
    .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .hero-visual .phone-image {
        width: 250px;
    }
    
    .features-grid {
        grid-template-columns: repeat(10, 85%);
        display: flex;
        gap: var(--spacing-md);
        padding: 0 var(--spacing-md);
    }
    
    .feature-card {
        min-width: 85%;
        max-width: 85%;
        flex-shrink: 0;
        scroll-snap-align: center;
        padding: var(--spacing-md);
    }
    
    .feature-icon {
        width: 40px;
        height: 40px;
        margin-bottom: var(--spacing-sm);
    }
    
    .feature-icon i {
        font-size: var(--font-size-lg);
    }
    
    .feature-card h3 {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-xs);
    }
    
    .feature-card p {
        font-size: var(--font-size-xs);
        line-height: 1.5;
    }
    
    .contact-text {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact-block {
        padding: var(--spacing-md);
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
    }
    
    .contact-icon i {
        font-size: var(--font-size-xl);
    }
    
    .contact-block h3 {
        font-size: var(--font-size-xl);
    }
    
    .email-link {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .features-slider-wrapper {
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding: var(--spacing-sm) 0;
    }
    
    .features-slider-wrapper::-webkit-scrollbar {
        display: none;
    }
    
    .slider-controls {
        display: flex;
        margin-top: var(--spacing-lg);
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
    }
    
    .screenshots-container {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .contact-text {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-block {
        padding: var(--spacing-lg);
    }
    
    .email-link {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: calc(var(--spacing-3xl) + 80px) var(--spacing-sm) var(--spacing-3xl);
        min-height: auto;
        overflow: visible;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-content {
        gap: var(--spacing-md);
        padding-top: var(--spacing-xl);
        padding-bottom: var(--spacing-xl);
        display: flex;
        flex-direction: column;
        min-height: calc(100vh - 180px);
    }
    
    .hero-visual {
        min-height: auto;
        height: auto;
        margin-bottom: var(--spacing-4xl);
        padding-top: var(--spacing-3xl);
        overflow: visible;
    }
    
    .hero-text {
        margin-top: var(--spacing-4xl);
        margin-bottom: var(--spacing-lg);
    }

    .hero-visual .phone-image {
        width: 180px;
        max-width: 180px;
        object-fit: contain;
    }

    .phone-mockup {
        transform: none;
        max-width: 100%;
        overflow: visible;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-xs);
        margin-top: var(--spacing-md);
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-sm);
        margin-top: 0;
        line-height: 1.5;
    }
    
    .hero-buttons {
        margin-top: var(--spacing-md);
        margin-bottom: 0;
    }
    
    .btn-primary {
        padding: var(--spacing-sm) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .phone-stack-1, .phone-stack-2 {
        width: 150px;
    }
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* AOS (Animate On Scroll) overrides */
[data-aos] {
    pointer-events: none;
}

[data-aos].aos-animate {
    pointer-events: auto;
}

@media (max-width: 640px) {
    .design-item,
    .design-item.is-expanded {
        width: 100%;
    }
}