:root {
    --bleu-nuit: #1a2639;
    --orange: #f39c12;
    --orange-fonce: #e67e22;
    --gris-clair: #f4f6f9;
    --blanc: #ffffff;
    --noir: #2c3e50;
    --ombre: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--noir);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header et Navigation */
.header {
    background: var(--bleu-nuit);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--ombre);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo h1 {
    color: var(--blanc);
    font-size: 1.8rem;
    font-weight: 700;
}

.logo span {
    color: var(--orange);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--blanc);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--orange);
}

.nav-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.6rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

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

.btn-outline:hover {
    background: var(--orange);
    color: var(--blanc);
}

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

.btn-primary:hover {
    background: var(--orange-fonce);
    border-color: var(--orange-fonce);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--blanc);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bleu-nuit) 0%, #2c3e50 100%);
    color: var(--blanc);
    padding: 8rem 5% 5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100vh;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: var(--ombre);
}

/* Sections */
section {
    padding: 5rem 5%;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--bleu-nuit);
    margin-bottom: 3rem;
    position: relative;
}

section h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--orange);
    margin: 1rem auto;
}

/* À propos */
.about-content {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.about-text {
    flex: 2;
    font-size: 1.1rem;
}

.about-text p {
    margin-bottom: 1rem;
}

.about-stats {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--gris-clair);
    border-radius: 10px;
    transition: transform 0.3s;
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--ombre);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--orange);
}

.stat-label {
    color: var(--bleu-nuit);
    font-size: 1rem;
}

/* Fonctionnalités */
.features {
    background: var(--gris-clair);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--blanc);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--ombre);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--bleu-nuit);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Offres/Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.pricing-card {
    background: var(--blanc);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--ombre);
    position: relative;
    transition: transform 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card.popular {
    border: 2px solid var(--orange);
    transform: scale(1.05);
}

.popular-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--orange);
    color: var(--blanc);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-card h3 {
    color: var(--bleu-nuit);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--orange);
}

.period {
    color: #666;
    margin-bottom: 1.5rem;
}

.pricing-card ul {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.pricing-card ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.pricing-card ul li::before {
    content: '✓';
    color: var(--orange);
    margin-right: 0.5rem;
    font-weight: bold;
}

/* Témoignages */
.testimonials {
    background: var(--gris-clair);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--blanc);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--ombre);
}

.testimonial-content {
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.testimonial-author strong {
    color: var(--bleu-nuit);
}

.testimonial-author span {
    color: #666;
    font-size: 0.9rem;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--orange);
}

.contact-form button {
    align-self: flex-start;
}

.contact-info {
    padding: 2rem;
    background: var(--bleu-nuit);
    color: var(--blanc);
    border-radius: 10px;
}

.contact-info h3 {
    margin-bottom: 1.5rem;
    color: var(--orange);
}

.contact-info p {
    margin: 1rem 0;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background: var(--bleu-nuit);
    color: var(--blanc);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo h2 {
    color: var(--orange);
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

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

.footer-links li {
    margin: 0.5rem 0;
}

.footer-links a {
    color: var(--blanc);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--orange);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--blanc);
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    transition: all 0.3s;
}

.social-icons a:hover {
    background: var(--orange);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 6rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-content {
        margin-bottom: 3rem;
    }
    
    .about-content {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bleu-nuit);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-buttons {
        display: none;
    }
    
    section h2 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
}

@media (max-width: 480px) {
    .btn-large {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}