/* =============================================
   MEDUSA - ÉCOSYSTÈME IA - STYLES MODERNES
   ============================================= */

/* Variables CSS - Design Professionnel Étendu */
:root {
    /* Couleurs principales - palette corporate */
    --primary-navy: #1a365d;
    --primary-blue: #2563eb;
    --primary-slate: #0f172a;
    --secondary-gray: #64748b;
    --accent-blue: #0ea5e9;
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    --background-dark: #020617;
    --background-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --border-light: rgba(148, 163, 184, 0.1);

    /* Gradients professionnels */
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #1d4ed8 50%, #2563eb 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    --gradient-card: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(51, 65, 85, 0.6) 100%);
    --gradient-accent: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);

    /* Ombres subtiles */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.3);

    /* Espacements cohérents */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Rayons de bordure */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background-dark);
    background-image:
        radial-gradient(circle at 25% 25%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(14, 165, 233, 0.03) 0%, transparent 50%);
    color: var(--text-primary);
    overflow-x: hidden;
    font-feature-settings: 'kern', 'liga', 'clig', 'calt';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    font-size: 16px;
    scroll-behavior: smooth;
}

/* Navigation - Design épuré */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(2, 6, 23, 0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: 1000;
    padding: var(--spacing-lg) var(--spacing-xl);
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo img {
    width: 50px;
    height: 50px;
    filter: drop-shadow(0 2px 4px rgba(124, 58, 237, 0.3));
    transition: all 0.3s ease;
}

.logo:hover img {
    transform: scale(1.1);
    filter: drop-shadow(0 4px 8px rgba(124, 58, 237, 0.5));
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-blue);
    letter-spacing: -0.025em;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.logo:hover .logo-text {
    color: var(--primary-blue);
    transform: translateY(-1px);
}

/* Menu hamburger mobile */
.hamburger {
    width: 30px;
    height: 24px;
    position: relative;
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: white;
    border-radius: 3px;
    position: absolute;
    transition: all 0.3s ease;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 10px; }
.hamburger span:nth-child(3) { top: 20px; }

/* Navigation Links */
.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    align-items: center;
    z-index: 10;
    position: relative;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.025em;
    position: relative;
    display: block;
    cursor: pointer;
    user-select: none;
}

.nav-links a:hover {
    background: rgba(37, 99, 235, 0.1);
    color: var(--text-primary);
    transform: translateY(-1px);
}

/* CTA Button in Navigation */
.nav-cta {
    margin-left: var(--spacing-md);
}

.nav-demo-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    letter-spacing: 0.025em;
    white-space: nowrap;
}

.nav-demo-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
}

.nav-demo-btn:active {
    transform: translateY(0);
}

/* Dropdown menus */
.phone-dropdown {
    position: relative;
    display: inline-block;
    z-index: 100;
}

.phone-dropdown-content {
    display: none;
    position: absolute;
    background: rgba(26, 21, 35, 0.98);
    backdrop-filter: blur(10px);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
    z-index: 1;
    top: 100%;
    right: 0;
    margin-top: 5px;
    padding: 1rem;
}

.phone-dropdown:hover .phone-dropdown-content {
    display: block;
}

.phone-dropdown-content a {
    color: white !important;
    padding: 0.8rem !important;
    text-decoration: none;
    display: block;
    border-radius: var(--radius-md);
    margin: 0.3rem 0;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.phone-dropdown-content a:hover {
    background: var(--gradient-primary) !important;
    transform: translateX(5px);
}

/* Pages */
.page {
    display: none;
    min-height: 100vh;
    padding-top: 80px;
    animation: fadeIn 0.6s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero Section - Design professionnel */
#home {
    background:
        linear-gradient(135deg, rgba(2, 6, 23, 0.9) 0%, rgba(15, 23, 42, 0.85) 50%, rgba(30, 41, 59, 0.8) 100%),
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1920 1080"><defs><linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:rgb(37,99,235);stop-opacity:0.05" /><stop offset="50%" style="stop-color:rgb(14,165,233);stop-opacity:0.03" /><stop offset="100%" style="stop-color:rgb(139,92,246);stop-opacity:0.02" /></linearGradient><pattern id="circuit" x="0" y="0" width="200" height="200" patternUnits="userSpaceOnUse"><path d="M 50 50 L 150 50 M 100 0 L 100 50 M 100 50 L 100 100" stroke="rgba(37,99,235,0.1)" stroke-width="1" fill="none"/><circle cx="50" cy="50" r="3" fill="rgba(37,99,235,0.2)"/><circle cx="150" cy="50" r="3" fill="rgba(14,165,233,0.2)"/><circle cx="100" cy="100" r="3" fill="rgba(139,92,246,0.2)"/><path d="M 0 150 L 50 150 L 50 200 M 150 150 L 200 150" stroke="rgba(14,165,233,0.08)" stroke-width="1" fill="none"/><circle cx="50" cy="150" r="2" fill="rgba(37,99,235,0.15)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grad1)"/><rect width="100%" height="100%" fill="url(%23circuit)" opacity="0.5"/></svg>') center/cover,
        radial-gradient(ellipse at top left, rgba(37, 99, 235, 0.15) 0%, transparent 40%),
        radial-gradient(ellipse at bottom right, rgba(139, 92, 246, 0.12) 0%, transparent 40%),
        linear-gradient(180deg, #020617 0%, #0f172a 50%, #1e293b 100%);
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

#home::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(14, 165, 233, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

/* Effet de particules animées */
#home::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(37, 99, 235, 0.3), transparent),
        radial-gradient(2px 2px at 40% 70%, rgba(14, 165, 233, 0.2), transparent),
        radial-gradient(1px 1px at 60% 50%, rgba(139, 92, 246, 0.25), transparent),
        radial-gradient(1px 1px at 80% 20%, rgba(37, 99, 235, 0.2), transparent),
        radial-gradient(2px 2px at 10% 80%, rgba(14, 165, 233, 0.3), transparent);
    background-size: 300px 200px, 400px 300px, 250px 250px, 350px 350px, 450px 450px;
    animation: particlesFloat 30s infinite linear;
    pointer-events: none;
    opacity: 0.6;
}

@keyframes particlesFloat {
    0% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-20px) translateX(10px);
    }
    50% {
        transform: translateY(10px) translateX(-10px);
    }
    75% {
        transform: translateY(-15px) translateX(15px);
    }
    100% {
        transform: translateY(0) translateX(0);
    }
}

.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 900px;
    padding: 2rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.1;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #0ea5e9 0%, #2563eb 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.hero-tagline {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
}

/* Hero Section Styles */
.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

.feature-badge {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(14, 165, 233, 0.3);
    color: var(--accent-blue);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.2);
    transition: all 0.3s ease;
}

.feature-badge:hover {
    border-color: rgba(14, 165, 233, 0.6);
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.4);
    transform: translateY(-2px);
}

.hero-discover {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.cta-section {
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.cta-button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.4);
    margin: 0 var(--spacing-sm);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(37, 99, 235, 0.6);
}

.cta-button.secondary {
    background: transparent;
    border: 2px solid var(--accent-blue);
    color: var(--accent-blue);
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.2);
}

.cta-button.secondary:hover {
    background: rgba(14, 165, 233, 0.1);
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.4);
}

/* Hero Stats Section */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: rgba(14, 165, 233, 0.5);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(14, 165, 233, 0.3);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #0ea5e9 0%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Solutions Grid - Nouvelle section */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-3xl) 0;
}

.solution-card {
    background: var(--gradient-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: all 0.4s ease;
}

.solution-card:hover {
    transform: translateY(-8px);
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.solution-card:hover::before {
    opacity: 1;
}

.solution-card.featured {
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(245, 158, 11, 0.2);
}

.solution-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.solution-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.solution-icon.large {
    font-size: 4rem;
}

.solution-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.solution-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: absolute;
    top: 0;
    right: 0;
}

.solution-badge.flagship {
    background: var(--gradient-warning);
    color: white;
}

.solution-badge.new {
    background: var(--gradient-success);
    color: white;
}

.solution-badge.business {
    background: var(--gradient-primary);
    color: white;
}

.solution-badge.compliance {
    background: var(--gradient-purple);
    color: white;
}

.solution-badge.quality {
    background: var(--gradient-warning);
    color: white;
}

.solution-badge.europe {
    background: linear-gradient(135deg, #003d82 0%, #ffdd44 100%);
    color: white;
}

.solution-badge.enterprise {
    background: var(--gradient-accent);
    color: white;
}

.solution-badge.custom {
    background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
    color: white;
}

.solution-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.solution-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.feature-tag {
    background: rgba(37, 99, 235, 0.2);
    color: var(--accent-blue);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(37, 99, 235, 0.3);
}

.solution-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    position: relative;
    z-index: 2;
}

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

/* Solution Detail Pages */
.solution-page {
    background: var(--background-dark);
}

.solution-detail-header {
    margin-bottom: var(--spacing-3xl);
}

.back-btn {
    background: transparent;
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: var(--spacing-xl);
    font-size: 0.9rem;
}

.back-btn:hover {
    background: var(--accent-blue);
    color: white;
    transform: translateX(-2px);
}

.solution-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.solution-title h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.solution-title p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* Features Highlight */
.features-highlight, .comprehensive-features, .innovative-features {
    margin: var(--spacing-3xl) 0;
}

.features-grid, .innovation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.feature-detail, .innovation-card {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
}

.feature-detail h3, .innovation-card h3 {
    color: var(--accent-blue);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

/* Performance Metrics */
.performance-metrics {
    margin: var(--spacing-3xl) 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.metric-card {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--border-light);
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: var(--spacing-sm);
}

.metric-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Value Proposition */
.value-proposition {
    margin: var(--spacing-3xl) 0;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.value-card {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    text-align: center;
}

.value-card h3 {
    color: var(--accent-green);
    margin-bottom: var(--spacing-md);
}

/* Workflow Steps */
.workflow-section {
    margin: var(--spacing-3xl) 0;
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.step {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    text-align: center;
    position: relative;
}

.step-number {
    background: var(--gradient-primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0 auto var(--spacing-lg);
}

.step h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

/* Features List */
.features-list {
    margin-top: var(--spacing-xl);
}

.feature-section {
    margin-bottom: var(--spacing-2xl);
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
}

.feature-section h3 {
    color: var(--accent-blue);
    margin-bottom: var(--spacing-lg);
    font-size: 1.3rem;
}

.feature-section ul {
    list-style: none;
    padding: 0;
}

.feature-section li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
}

.feature-section li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* ROI Section */
.roi-section {
    margin: var(--spacing-3xl) 0;
    background: var(--gradient-card);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-light);
}

.roi-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.roi-card {
    text-align: center;
    background: rgba(16, 185, 129, 0.1);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.roi-percentage {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: var(--spacing-sm);
}

.roi-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Target Audience */
.target-audience {
    margin: var(--spacing-3xl) 0;
}

.audience-list {
    margin-top: var(--spacing-xl);
}

.audience-item {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    margin-bottom: var(--spacing-lg);
}

.audience-item h4 {
    color: var(--accent-blue);
    margin-bottom: var(--spacing-md);
}

/* Modules Grid */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.module-card {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
}

.module-card h3 {
    color: var(--accent-blue);
    margin-bottom: var(--spacing-lg);
    font-size: 1.3rem;
}

.module-card ul {
    list-style: none;
    padding: 0;
}

.module-card li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.module-card li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: bold;
}

.module-card li:last-child {
    border-bottom: none;
}

/* Competitive Advantages */
.competitive-advantages {
    margin: var(--spacing-3xl) 0;
}

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

.advantage-section {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
}

.advantage-section h3 {
    color: var(--accent-green);
    margin-bottom: var(--spacing-lg);
}

.advantage-section ul {
    list-style: none;
    padding: 0;
}

.advantage-section li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
}

.advantage-section li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* Page Layout */
.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl);
}

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.page-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* Enterprise Benefits */
.enterprise-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-3xl) 0;
}

/* Use Cases */
.use-cases {
    margin: var(--spacing-3xl) 0;
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.sector-card {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.sector-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.sector-card h3 {
    color: var(--accent-blue);
    margin-bottom: var(--spacing-md);
}

/* Pricing Overview */
.pricing-overview {
    margin: var(--spacing-3xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.pricing-card {
    background: var(--gradient-card);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card.featured {
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(245, 158, 11, 0.2);
    transform: scale(1.05);
}

.pricing-card h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-lg);
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.pricing-card li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
}

.pricing-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* Tech Stack */
.tech-stack {
    margin: var(--spacing-3xl) 0;
}

.stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.stack-category {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
}

.stack-category h3 {
    color: var(--accent-blue);
    margin-bottom: var(--spacing-lg);
}

.stack-category ul {
    list-style: none;
    padding: 0;
}

.stack-category li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.stack-category li:before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-size: 0.8rem;
}

.stack-category li:last-child {
    border-bottom: none;
}

/* Architecture Overview */
.architecture-overview {
    margin: var(--spacing-3xl) 0;
}

.architecture-description {
    background: var(--gradient-card);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    margin-top: var(--spacing-xl);
}

.architecture-description ul {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-lg);
}

.architecture-description li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
}

.architecture-description li:before {
    content: '●';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
}

/* Deployment Options */
.deployment-options {
    margin: var(--spacing-3xl) 0;
}

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

.deployment-card {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.deployment-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.deployment-card h3 {
    color: var(--accent-blue);
    margin-bottom: var(--spacing-md);
}

.deployment-card ul {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-lg);
}

.deployment-card li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
}

.deployment-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* API Documentation */
.api-documentation {
    margin: var(--spacing-3xl) 0;
}

.api-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.api-feature {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
}

.api-feature h3 {
    color: var(--accent-blue);
    margin-bottom: var(--spacing-md);
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
}

.benefit-card {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.benefit-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

/* Tech Specs */
.tech-specs {
    margin: var(--spacing-3xl) 0;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
}

.spec-card {
    background: var(--gradient-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
}

.spec-card h3 {
    color: var(--accent-blue);
    margin-bottom: var(--spacing-lg);
    font-size: 1.3rem;
}

.spec-card ul {
    list-style: none;
    padding: 0;
}

.spec-card li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}

.spec-card li:last-child {
    border-bottom: none;
}

/* Contact Form - Design moderne */
.contact-form {
    background: var(--background-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
}

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

.contact-badge {
    display: inline-block;
    background: var(--gradient-accent);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-weight: 600;
    margin-top: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-xl);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-lg);
    border: 1px solid var(--border-light);
    background: rgba(51, 65, 85, 0.3);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: rgba(51, 65, 85, 0.5);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    cursor: pointer;
}

.checkbox-label:hover {
    background: rgba(37, 99, 235, 0.1);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* Buttons - Style professionnel */
.submit-btn {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.025em;
    position: relative;
    box-shadow: var(--shadow-md);
    font-family: inherit;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #3b82f6 100%);
}

.floating-contact {
    position: fixed;
    bottom: var(--spacing-2xl);
    right: var(--spacing-2xl);
    z-index: 1001;
    background: var(--gradient-accent);
    border: none;
    padding: var(--spacing-lg);
    border-radius: 50%;
    color: white;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    font-size: 1.25rem;
}

.floating-contact:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 100%);
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--background-card), #1a1a2e);
    border-top: 1px solid var(--border-light);
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
}

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

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

.footer-section h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-blue);
    border-radius: 1px;
}

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

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

.brand-name {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.3rem;
}

.brand-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 2px;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    max-width: 300px;
}

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

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

.footer-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

.footer-menu a:hover {
    color: var(--accent-blue);
    transform: translateX(5px);
}

.footer-menu a::before {
    content: '→';
    position: absolute;
    left: -15px;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: var(--accent-blue);
}

.footer-menu a:hover::before {
    opacity: 1;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.contact-item > div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.contact-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.contact-item a:hover {
    color: var(--accent-blue);
}

.phone-numbers {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
}

.phone-numbers a {
    display: block;
    white-space: nowrap;
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: var(--spacing-lg);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

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

.footer-legal p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.footer-badges {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-badge {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.footer-cta-btn {
    background: linear-gradient(135deg, var(--accent-blue), #3b82f6);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.footer-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

/* Hero logo styling */
.hero-logo-container {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.hero-logo-container img {
    max-width: 120px;
    height: auto;
    filter: drop-shadow(0 4px 12px rgba(37, 99, 235, 0.3));
}

/* Typography améliorée */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

h3 {
    font-size: 1.5rem;
}

p {
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .nav-links {
        position: fixed;
        left: 0;
        top: 80px;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(11, 10, 20, 0.98);
        flex-direction: column;
        padding: 2rem;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .hamburger {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .floating-contact {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
        width: 48px;
        height: 48px;
        font-size: 1.1rem;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .footer-section:first-child {
        text-align: center;
    }

    .footer-description {
        max-width: none;
        text-align: center;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .footer-badges {
        justify-content: center;
    }

    .contact-info {
        align-items: center;
    }

    .footer-menu a::before {
        display: none;
    }

    .footer-menu a:hover {
        transform: none;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stack-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid .pricing-card.featured {
        transform: none;
    }
}

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

@media (max-width: 768px) and (hover: none) {
    .solution-card:hover,
    .benefit-card:hover,
    .sector-card:hover,
    .deployment-card:hover {
        transform: none !important;
    }
}

/* Loading optimization */
img {
    loading: lazy;
}

/* Print styles */
@media print {
    nav, .floating-contact, footer {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}