:root {
            --primary: #2A83C6;
            --primary-dark: #1e6aa5;
            --secondary: #4dbbd5;
            --dark: #1b2e4b;
            --text: #334155;
            --text-light: #64748b;
            --bg: #ffffff;
            --bg-soft: #f8fafc;
            --border: #e2e8f0;
            
            --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --gradient-2: linear-gradient(135deg, #2A83C6 0%, #4dbbd5 100%);
            --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
            
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
            
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

/* Hero Section Moderne */
.hero-solution {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    overflow: hidden;
    padding: 140px 0 80px;
}

.hero-solution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(42, 131, 198, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(77, 187, 213, 0.15) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-solution::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    color: white;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #cbd5e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* Features Grid */
.features-section {
    padding: 100px 0;
    background: white;
    position: relative;
    margin-top: -50px;
    z-index: 2;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-card {
    padding: 2.5rem;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-2);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

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

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(42, 131, 198, 0.1) 0%, rgba(77, 187, 213, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Modules Section */
.modules-section {
    padding: 100px 0;
    background: var(--bg-soft);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 5rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(42, 131, 198, 0.1);
    color: var(--primary);
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-light);
}

.module-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 3rem;
}

.module-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: center;
}

.module-card:nth-child(even) .module-content-wrapper {
    direction: rtl;
}

.module-card:nth-child(even) .module-text {
    direction: ltr;
}

.module-text {
    padding: 4rem;
}

.module-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gradient-2);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.module-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.module-text p {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
    display: grid;
    gap: 1rem;
}

.feature-list li {
    padding-left: 2rem;
    position: relative;
    color: var(--text);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 800;
    font-size: 1.25rem;
}

.feature-list strong {
    color: var(--dark);
    font-weight: 700;
}

.module-visual {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 500px;
}

.module-visual img,
.module-visual video {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--dark);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(42, 131, 198, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(77, 187, 213, 0.2) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 3rem;
    color: white;
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--dark);
    transform: translateY(-2px);
}

/* ===== RESPONSIVE ===== */

/* Tablette - 1024px */
@media (max-width: 1024px) {
    .hero-solution {
        padding: 120px 0 60px;
        min-height: 70vh;
    }

    .container {
        padding: 0 1.5rem;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-content p {
        font-size: 1.125rem;
    }

    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .features-section,
    .modules-section,
    .cta-section {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    .section-header h2 {
        font-size: 2.5rem;
    }

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

    .module-content-wrapper {
        grid-template-columns: 1fr;
    }

    .module-card:nth-child(even) .module-content-wrapper {
        direction: ltr;
    }

    .module-visual {
        min-height: 400px;
        padding: 2rem;
    }

    .module-text {
        padding: 3rem;
    }

    .cta-content h2 {
        font-size: 2.5rem;
    }

    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.95rem;
    }
}

/* Mobile - 768px */
@media (max-width: 768px) {
    .hero-solution {
        padding: 100px 0 50px;
        min-height: auto;
    }

    .container {
        padding: 0 1rem;
    }

    .hero-content {
        text-align: center;
    }

    .hero-badge {
        justify-content: center;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .stat-item {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .features-section,
    .modules-section,
    .cta-section {
        padding: 50px 0;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card {
        padding: 2rem;
    }

    .module-text {
        padding: 2rem;
    }

    .module-text h3 {
        font-size: 1.5rem;
    }

    .module-visual {
        min-height: 300px;
        padding: 1.5rem;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

    .cta-content p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
}

/* Mobile petit - 480px */
@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.75rem;
    }

    .hero-content p {
        font-size: 0.95rem;
    }

    .hero-stats {
        gap: 0.75rem;
    }

    .stat-item {
        padding: 1.25rem;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .section-tag {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .module-text {
        padding: 1.5rem;
    }

    .module-text h3 {
        font-size: 1.25rem;
    }

    .cta-content h2 {
        font-size: 1.5rem;
    }

    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
}