/* ============================================
   OPLIA - Site Web Moderne 2025
   Design System & Variables
   ============================================ */

:root {
    /* Colors - Branding Oplia */
    --color-primary: #1E2A38; /* Bleu marine Oplia */
    --color-primary-dark: #141C26; /* Bleu marine foncé */
    --color-primary-light: #2A3F54; /* Bleu marine clair */
    --color-secondary: #35D49A; /* Vert Oplia */
    --color-secondary-light: #5FE3B3; /* Vert clair */
    --color-secondary-dark: #2AB881; /* Vert foncé */
    --color-accent: #35D49A; /* Accent vert */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-black: #0a0a0a;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Gradients - Branding Oplia */
    --gradient-primary: linear-gradient(135deg, #1E2A38 0%, #2A3F54 100%);
    --gradient-secondary: linear-gradient(135deg, #35D49A 0%, #5FE3B3 100%);
    --gradient-brand: linear-gradient(135deg, #1E2A38 0%, #35D49A 100%); /* Signature Oplia */
    --gradient-hero: radial-gradient(circle at 20% 50%, rgba(30, 42, 56, 0.15) 0%, transparent 50%),
                     radial-gradient(circle at 80% 80%, rgba(53, 212, 154, 0.15) 0%, transparent 50%),
                     radial-gradient(circle at 40% 20%, rgba(30, 42, 56, 0.1) 0%, transparent 50%);
    
    /* Typography */
    --font-family: 'Inter', -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;
    
    /* Spacing */
    --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;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --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);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-backdrop: blur(20px);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ============================================
   Transitions Smooth
   ============================================ */

html,
body,
.navbar,
.feature-card,
.pricing-card,
.testimonial-card {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background: var(--color-white);
    overflow-x: hidden;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-gray-900);
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--color-gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 1001;
    position: relative;
    flex-shrink: 0;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-gray-900);
    transition: all var(--transition-base);
    border-radius: 2px;
}


/* ============================================
   Accessibility - Skip Link (WCAG 2.1)
   ============================================ */

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    border-radius: 0 0 var(--radius-md) 0;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--color-secondary);
    outline-offset: 2px;
}

/* Focus visible pour navigation clavier (Accessibilité 2025) */
:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Remove outline for mouse users */
:focus:not(:focus-visible) {
    outline: none;
}

/* Amélioration contraste pour accessibilité */
@media (prefers-contrast: high) {
    :root {
        --color-gray-600: #4a4a4a;
        --color-gray-700: #333333;
    }
}

/* Réduire les animations pour les utilisateurs sensibles */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-brand);
    color: var(--color-white);
    box-shadow: 0 4px 14px 0 rgba(30, 42, 56, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(30, 42, 56, 0.4);
}

/* Micro-interaction: ripple effect au clic (Tendance 2025) */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-outline {
    background: transparent;
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-300);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    background: var(--gradient-hero);
    opacity: 0.6;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--color-primary);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--color-secondary);
    bottom: -150px;
    right: -150px;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--color-primary);
    top: 50%;
    right: 10%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
}

.badge-icon {
    font-size: var(--font-size-lg);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight {
    display: block;
    color: var(--color-primary);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
    align-items: center;
    flex-wrap: wrap;
}

.hero-actions .btn {
    flex: 0 1 auto;
    min-width: 200px;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: flex-start;
}

.stat-item {
    text-align: left;
    flex: 1;
    min-width: 0;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

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

.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
}

.phone-frame {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 40px;
    padding: 8px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset,
        0 2px 4px rgba(0, 0, 0, 0.2) inset;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

.phone-mockup:hover .phone-frame {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
}

.phone-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 28px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 0 0 20px 20px;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.phone-notch::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 0 0 6px 6px;
}


/* ============================================
   Sections
   ============================================ */

section {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-lg);
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ============================================
   Features Section
   ============================================ */

.features {
    background: var(--color-gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    align-items: stretch;
}

.feature-card {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-brand);
    transform: scaleX(0);
    transition: transform var(--transition-base);
    transform-origin: left;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(53, 212, 154, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

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

.feature-card:hover::after {
    opacity: 1;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ============================================
   Pricing Section
   ============================================ */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    align-items: stretch;
}

.pricing-card {
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    position: relative;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.pricing-featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(30, 42, 56, 0.05) 0%, rgba(53, 212, 154, 0.05) 100%);
    transform: scale(1.05);
    border-width: 3px;
    box-shadow: 0 8px 24px rgba(30, 42, 56, 0.15);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.pricing-header {
    margin-bottom: var(--spacing-xl);
    flex-shrink: 0;
}

.pricing-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
}

.price-amount {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-gray-900);
}

.price-period {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
}

.pricing-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-top: var(--spacing-sm);
    font-style: italic;
}

.pricing-note {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    text-align: center;
    margin-top: var(--spacing-md);
    font-style: italic;
    line-height: 1.5;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-2xl);
    flex: 1;
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-700);
    font-size: var(--font-size-base);
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
}

.pricing-features li::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: var(--spacing-sm);
    margin-top: 8px;
    flex-shrink: 0;
}

/* ============================================
   CTA Section
   ============================================ */

.cta {
    background: var(--gradient-primary);
    color: var(--color-white);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
}

.cta-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
}

.cta-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
    align-content: center;
}

.store-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
    line-height: 0;
    height: 60px;
    width: 180px;
    flex-shrink: 0;
    vertical-align: middle;
}

.store-badge:hover {
    transform: translateY(-2px);
}

.store-badge img {
    height: 60px;
    width: 180px;
    display: block;
    object-fit: contain;
    object-position: center;
    margin: 0;
    padding: 0;
}

.cta .btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.2);
}

.cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(0, 0, 0, 0.3);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.footer-logo .logo-text {
    color: var(--color-white);
}

.footer-description {
    color: var(--color-gray-400);
    line-height: 1.7;
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

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

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

.footer-links a {
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-800);
    color: var(--color-gray-500);
}


/* ============================================
   Realistic App Mockups
   ============================================ */

.phone-screen {
    width: 100%;
    height: 100%;
    background: #F5F7FA;
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.05);
}

.app-screen {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #F5F7FA;
    position: relative;
}

.app-header-bar {
    background: var(--color-white);
    padding: 12px 16px 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.status-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gray-900);
}

.signal-bars {
    display: flex;
    gap: 2px;
    align-items: flex-end;
}

.signal-bars span {
    width: 3px;
    background: var(--color-gray-900);
    border-radius: 1px;
}

.signal-bars span:nth-child(1) { height: 4px; }
.signal-bars span:nth-child(2) { height: 6px; }
.signal-bars span:nth-child(3) { height: 8px; }

.app-content-real {
    flex: 1;
    padding: 20px 16px;
    overflow-y: auto;
    background: #F5F7FA;
    scroll-behavior: smooth;
}

.app-content-real::-webkit-scrollbar {
    width: 4px;
}

.app-content-real::-webkit-scrollbar-track {
    background: transparent;
}

.app-content-real::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: 2px;
}

.home-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.home-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-gray-900);
    letter-spacing: -0.5px;
}

.home-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 18px;
    box-shadow: 0 2px 8px rgba(30, 42, 56, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.quick-action-item {
    background: var(--color-white);
    border-radius: 16px;
    padding: 16px 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.03);
    cursor: pointer;
}

.quick-action-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.08);
}

.quick-action-item:active {
    transform: translateY(-2px);
}

.action-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px;
    font-size: 24px;
}

.mission-icon {
    background: linear-gradient(135deg, #1E2A38 0%, #2A3F54 100%);
}

.proof-icon {
    background: linear-gradient(135deg, #35D49A 0%, #5FE3B3 100%);
}

.signature-icon {
    background: linear-gradient(135deg, #1E2A38 0%, #35D49A 100%);
}

.quick-action-item span {
    font-size: 11px;
    color: var(--color-gray-700);
    font-weight: 500;
    display: block;
}

.mission-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mission-card {
    background: var(--color-white);
    border-radius: 16px;
    padding: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: all var(--transition-base);
    cursor: pointer;
}

.mission-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.06);
}

.mission-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.mission-number {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gray-600);
}

.mission-status {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 600;
}

.status-active {
    background: rgba(53, 212, 154, 0.1);
    color: var(--color-secondary);
}

.status-completed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.mission-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 8px;
}

.mission-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 11px;
    color: var(--color-gray-600);
}

/* ============================================
   How It Works Section
   ============================================ */

.how-it-works {
    background: var(--color-white);
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4xl);
    max-width: 1000px;
    margin: 0 auto;
}

.step-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-2xl);
    align-items: center;
}

.step-item.step-reverse {
    grid-template-columns: auto auto 1fr;
}

.step-item.step-reverse .step-content {
    order: 3;
}

.step-item.step-reverse .step-visual {
    order: 1;
}

.step-number {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    max-width: 500px;
}

.step-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.step-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: 1.7;
}

.step-visual {
    flex-shrink: 0;
}

.step-mockup {
    width: 200px;
    height: 300px;
    background: var(--color-white);
    border-radius: 16px;
    padding: 16px;
    box-shadow: var(--shadow-lg);
}

.step-mission .mockup-header {
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 8px;
    margin-bottom: 16px;
}

.step-mission .mockup-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-field {
    height: 40px;
    background: var(--color-gray-100);
    border-radius: 8px;
}

.form-button {
    height: 48px;
    background: var(--gradient-brand);
    border-radius: 8px;
    margin-top: 8px;
}

.step-proof .mockup-camera {
    width: 100%;
    height: 100%;
    background: var(--color-gray-900);
    border-radius: 12px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.camera-viewfinder {
    width: 80%;
    height: 60%;
    border: 3px solid var(--color-white);
    border-radius: 8px;
    position: relative;
}

.camera-viewfinder::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    height: 60%;
    border: 2px dashed var(--color-secondary);
    border-radius: 4px;
}

.camera-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.capture-button {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--color-white);
    border: 4px solid var(--color-gray-300);
}

.step-report .mockup-pdf {
    width: 100%;
    height: 100%;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 4px;
    padding: 12px;
}

.pdf-header {
    height: 40px;
    background: var(--color-gray-100);
    border-radius: 4px;
    margin-bottom: 12px;
}

.pdf-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pdf-line {
    height: 12px;
    background: var(--color-gray-200);
    border-radius: 2px;
}

.pdf-line.short {
    width: 60%;
}

/* ============================================
   Testimonials Section
   ============================================ */

.testimonials {
    background: var(--color-gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    align-items: stretch;
}

.testimonial-card {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-secondary);
}

.testimonial-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    display: block;
}

.testimonial-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    line-height: 1.7;
    margin-bottom: 0;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.author-name {
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 2px;
}

.author-role {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.cta-note {
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   Responsive Design - Mobile First (Tendance 2025)
   ============================================ */

/* Mobile First - Base styles for mobile */
@media (max-width: 640px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-4xl: 3rem;
        --spacing-3xl: 2.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-content {
        height: 64px;
    }
    
    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        box-shadow: var(--shadow-xl);
        z-index: 999;
        max-height: calc(100vh - 64px);
        overflow-y: auto;
        border-top: 1px solid var(--color-gray-200);
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu .nav-link {
        display: block;
        padding: var(--spacing-md);
        width: 100%;
        text-align: left;
    }
    
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        min-height: auto;
        padding-top: 64px;
        padding-bottom: var(--spacing-3xl);
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero-visual {
        order: -1;
        margin-bottom: var(--spacing-xl);
    }
    
    .phone-mockup {
        width: 220px;
        height: 440px;
        margin: 0 auto;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-actions .btn span {
        flex: 1;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .stat-item {
        text-align: center;
        padding: var(--spacing-sm) 0;
    }
    
    section {
        padding: var(--spacing-3xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .features-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-card,
    .pricing-card,
    .testimonial-card {
        padding: var(--spacing-xl);
    }
    
    .pricing-card.pricing-featured {
        transform: scale(1);
        margin-top: 0;
        order: -1;
    }
    
    .pricing-badge {
        font-size: 10px;
        padding: 4px 12px;
    }
    
    .cta-actions {
        flex-direction: column;
        width: 100%;
        align-items: stretch;
    }
    
    .store-badge {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 50px;
        width: 160px;
        margin: 0;
    }
    
    .store-badge img {
        height: 50px;
        width: 160px;
        max-width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .step-item {
        grid-template-columns: 1fr !important;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .step-item.step-reverse {
        grid-template-columns: 1fr !important;
    }
    
    .step-item.step-reverse .step-content {
        order: 2;
    }
    
    .step-item.step-reverse .step-visual {
        order: 1;
    }
    
    .step-number {
        margin: 0 auto var(--spacing-lg);
    }
    
    .step-visual {
        margin: 0 auto;
    }
    
    .step-mockup {
        width: 180px;
        height: 270px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .section-header {
        padding: 0 var(--spacing-md);
    }
    
    .section-description {
        font-size: var(--font-size-base);
    }
    
    .pricing-features {
        min-height: auto;
    }
}

/* Tablet */
@media (min-width: 641px) and (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }
    
    .hero-visual {
        order: -1;
        margin-bottom: var(--spacing-2xl);
    }
    
    .phone-mockup {
        width: 280px;
        height: 560px;
        margin: 0 auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-actions .btn {
        min-width: 180px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 900px;
    }
    
    .pricing-card.pricing-featured {
        transform: scale(1.02);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .step-item {
        grid-template-columns: auto 1fr auto;
        gap: var(--spacing-2xl);
    }
    
    .step-item.step-reverse {
        grid-template-columns: auto auto 1fr;
    }
    
    .step-visual {
        flex-shrink: 0;
    }
    
    .store-badge {
        height: 65px;
        width: 195px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .store-badge img {
        height: 65px;
        width: 195px;
        margin: 0;
        padding: 0;
    }
    
    .cta-actions {
        gap: var(--spacing-xl);
    }
}

/* Desktop */
@media (min-width: 1025px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
    
    .hero-visual {
        order: 0;
    }
    
    .hero-content {
        order: 0;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 1200px;
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .step-item {
        gap: var(--spacing-3xl);
    }
    
    .store-badge {
        height: 70px;
        width: 210px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .store-badge img {
        height: 70px;
        width: 210px;
        margin: 0;
        padding: 0;
    }
}

/* Large Desktop */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-description {
        font-size: var(--font-size-xl);
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

/* Touch devices optimization */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .feature-card,
    .pricing-card {
        -webkit-tap-highlight-color: transparent;
    }
    
    .btn:active {
        transform: scale(0.98);
    }
}

/* Landscape mobile */
@media (max-width: 896px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-3xl) 0;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
}

/* ============================================
   Animations & Micro-interactions (Tendance 2025)
   ============================================ */

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

/* Smooth transitions pour tous les éléments interactifs */
.btn,
.feature-card,
.pricing-card,
.testimonial-card,
.mission-card,
.quick-action-item {
    will-change: transform;
}

/* Performance optimization */
@media (prefers-reduced-motion: reduce) {
    .animate-in,
    .feature-card,
    .pricing-card,
    .testimonial-card {
        animation: none !important;
        transition: none !important;
    }
}

/* Gradient text animation (subtile) */
.gradient-text {
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}