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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --dark-bg: #0f172a;
    --light-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-2: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 28px;
}

.logo-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 40px;
    list-style: none;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

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

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

.cta-button {
    padding: 12px 28px;
    background: var(--gradient-1);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.btn {
    padding: 16px 32px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

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

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

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

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

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 40px;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 24px;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 16px;
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 50px;
    left: 50px;
    animation-delay: 0s;
}

.card-2 {
    top: 200px;
    right: 100px;
    animation-delay: 1s;
}

.card-3 {
    bottom: 100px;
    left: 100px;
    animation-delay: 2s;
}

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

.card-icon {
    font-size: 32px;
}

.card-content h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.card-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Sections communes */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 40px;
    background: linear-gradient(135deg, #f8fafc 0%, white 100%);
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.fade-in {
    opacity: 1;
    transform: translateY(0);
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* Services Preview Section */
.services-preview {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.service-card {
    padding: 48px;
    background: white;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
}

.service-card.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--gradient-1);
    transition: height 0.3s ease;
}

.service-card:hover::before {
    height: 100%;
}

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

.service-number {
    font-size: 72px;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.1;
    line-height: 1;
    margin-bottom: -30px;
}

.service-card h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.service-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: gap 0.3s ease;
}

.service-link:hover {
    gap: 8px;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-1);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 48px;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Page Hero */
.page-hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    text-align: center;
}

.page-hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
}

.page-hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Service Detail Cards */
.services-detail {
    padding: 80px 0;
}

.service-detail-card {
    background: white;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    padding: 48px;
    margin-bottom: 32px;
}

.service-detail-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
}

.service-detail-icon {
    font-size: 64px;
}

.service-detail-card h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 8px;
}

.service-detail-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

.service-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.service-detail-description h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 24px 0 16px;
}

.service-detail-description p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-list {
    list-style: none;
    padding: 0;
}

.service-list li {
    padding: 12px 0 12px 32px;
    position: relative;
    color: var(--text-secondary);
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.service-detail-features {
    display: grid;
    gap: 20px;
}

.feature-box {
    padding: 24px;
    background: linear-gradient(135deg, #f8fafc 0%, white 100%);
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.feature-box h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-box p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Contact Page */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 48px;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: linear-gradient(135deg, #f8fafc 0%, white 100%);
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.contact-method-icon {
    font-size: 32px;
}

.contact-method h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.contact-method a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-method p {
    color: var(--text-secondary);
    font-size: 14px;
}

.social-section h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.social-links-large {
    display: flex;
    gap: 16px;
}

.social-link-large {
    padding: 12px 24px;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    transition: all 0.3s ease;
}

.social-link-large:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.contact-form-wrapper {
    background: white;
    padding: 48px;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    box-shadow: var(--shadow-lg);
}

.contact-form-wrapper h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--gradient-1);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

/* Help Page */
.help-section {
    padding: 80px 0;
}

.faq-grid {
    display: grid;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    padding: 32px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.faq-icon {
    font-size: 24px;
    color: var(--primary-color);
}

.faq-answer {
    margin-top: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.help-contact-box {
    background: var(--gradient-1);
    padding: 48px;
    border-radius: 20px;
    text-align: center;
    color: white;
    margin-top: 48px;
}

.help-contact-box h3 {
    font-size: 28px;
    margin-bottom: 16px;
}

.help-contact-box p {
    margin-bottom: 24px;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-logo .logo-icon,
.footer-logo .logo-text {
    color: white;
}

.footer-description {
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--accent-color);
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-links li {
    color: var(--text-light);
    font-size: 14px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 14px;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 72px);
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px 24px;
        gap: 24px;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        left: 0;
    }

    .cta-button {
        display: none;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-visual {
        display: none;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .service-detail-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 32px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-description {
        font-size: 16px;
    }

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

    .feature-card,
    .service-card {
        padding: 32px;
    }

    .cta-content h2 {
        font-size: 32px;
    }

    .cta-content p {
        font-size: 16px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-form-wrapper {
        padding: 32px;
    }
}