/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
    text-transform: lowercase;
}

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

.nav-list a {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-list a:hover {
    color: #4FC3F7;
}

.contact-btn {
    background: #4FC3F7;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.contact-btn:hover {
    background: #29B6F6;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><rect width="100%" height="100%" fill="url(%23a)"/></svg>');
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.cta-btn {
    background: #4FC3F7;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    background: #29B6F6;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(79, 195, 247, 0.3);
}

/* Stats Section */
.stats-section {
    padding: 5rem 0;
    background: white;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #4FC3F7;
    margin-bottom: 3rem;
    text-align: center;
}

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

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #4FC3F7;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: #4FC3F7;
    margin-bottom: 0.5rem;
}

.stat-description {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Services Section */
.services-section {
    padding: 5rem 0;
    background: #f8f9fa;
}

.services-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
    gap: 2rem;
}

.services-text {
    flex: 2;
}

.services-description {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-top: 1rem;
}

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

.service-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.service-header {
    padding: 1.5rem;
    color: white;
    position: relative;
}

.service-header.assainissement {
    background: linear-gradient(135deg, #2E7D32, #4CAF50);
}

.service-header.terrassement {
    background: linear-gradient(135deg, #1976D2, #2196F3);
}

.service-header.amenagement {
    background: linear-gradient(135deg, #388E3C, #66BB6A);
}

.service-header.expertise {
    background: linear-gradient(135deg, #1565C0, #42A5F5);
}

.service-logo {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.service-category {
    font-size: 0.9rem;
    opacity: 0.9;
}

.service-content {
    padding: 1.5rem;
}

.service-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.service-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.learn-more-btn {
    background: #4FC3F7;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.learn-more-btn:hover {
    background: #29B6F6;
}

/* History Section */
.history-section {
    padding: 5rem 0;
    background: white;
}

.history-card {
    background: linear-gradient(135deg, #4CAF50, #4FC3F7);
    border-radius: 20px;
    padding: 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.history-content .section-title {
    color: white;
    text-align: left;
    margin-bottom: 2rem;
}

.history-text {
    color: white;
    line-height: 1.8;
}

.history-text p {
    margin-bottom: 1.5rem;
}

.history-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

/* Values Section */
.values-section {
    padding: 5rem 0;
    background: #f8f9fa;
}

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

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.value-icon {
    width: 60px;
    height: 60px;
    background: #4FC3F7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.value-icon i {
    color: white;
    font-size: 1.5rem;
}

.value-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.value-description {
    color: #666;
    line-height: 1.6;
}

/* Team Section */
.team-section {
    padding: 5rem 0;
    background: white;
}

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

.team-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.team-photo {
    margin-bottom: 1.5rem;
}

.photo-placeholder {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #4FC3F7, #29B6F6);
    border-radius: 50%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.team-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.team-role {
    color: #666;
    font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials-section {
    padding: 5rem 0;
    background: #f8f9fa;
}

.testimonial-card {
    background: linear-gradient(135deg, #4FC3F7, #4CAF50);
    border-radius: 20px;
    padding: 3rem;
    position: relative;
    color: white;
}

.testimonial-content {
    position: relative;
    z-index: 2;
}

.quote-marks {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.3);
    position: absolute;
    top: -1rem;
    left: -1rem;
}

.testimonial-text {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.author-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.author-role {
    opacity: 0.8;
    font-size: 0.9rem;
}

.testimonial-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    width: 100%;
    left: 0;
    padding: 0 2rem;
}

.nav-arrow {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.nav-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* FAQ Section */
.faq-section {
    padding: 5rem 0;
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: #f8f9fa;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background: #e9ecef;
}

.faq-question span {
    font-weight: 600;
    color: #333;
}

.faq-question i {
    color: #4FC3F7;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 1.5rem;
    max-height: 200px;
}

.faq-answer p {
    color: #666;
    line-height: 1.6;
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
    background: #f8f9fa;
}

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

.contact-info {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
}

.company-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: #4FC3F7;
    margin-bottom: 1rem;
}

.contact-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-item i {
    color: #4FC3F7;
    font-size: 1.2rem;
    margin-top: 0.2rem;
}

.contact-item div {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.contact-item span {
    color: #333;
    font-size: 0.9rem;
}

.contact-form {
    background: #4FC3F7;
    padding: 2rem;
    border-radius: 12px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: white;
    background: white;
}

.submit-btn {
    background: white;
    color: #4FC3F7;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 1rem;
}

.submit-btn:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #4FC3F7;
}

.footer-description {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.copyright {
    color: #999;
    font-size: 0.9rem;
}

.footer-title {
    color: #4FC3F7;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

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

.footer-list li {
    margin-bottom: 0.5rem;
}

.footer-list a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-list a:hover {
    color: #4FC3F7;
}

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

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: #ccc;
    font-size: 0.9rem;
}

.footer-contact-item i {
    color: #4FC3F7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .services-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .history-card {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .history-card {
        padding: 2rem;
    }
    
    .testimonial-card {
        padding: 2rem;
    }
    
    .testimonial-nav {
        padding: 0 1rem;
    }
}