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

:root {
    --primary: #003366;
    --secondary: #00a8e8;
    --accent: #ff6b00;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: #fff;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Top Bar */
.top-bar {
    background-color: var(--primary);
    color: white;
    padding: 10px 0;
    font-size: 0.9rem;
}

.contact-info {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-info i {
    color: var(--secondary);
}

/* Navigation */
.navbar {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.logo .plus {
    color: var(--accent);
}

.tagline {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: -5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
    padding: 5px 0;
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 51, 102, 0.9), rgba(0, 168, 232, 0.1)), 
                url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?q=80&w=2069');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0 80px;
    position: relative;
}

.hero-badge {
    display: inline-block;
    background-color: rgba(255, 107, 0, 0.9);
    color: white;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 30px;
}

.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 25px;
    max-width: 800px;
}

.hero .highlight {
    color: var(--accent);
    display: block;
    margin-top: 10px;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 700px;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.7;
}

.cities {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.city {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.city:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.services-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.service-card {
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--dark);
    padding: 25px 20px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 15px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary);
}

/* Stats Section */
.stats {
    background-color: var(--light);
    padding: 70px 0;
}

.stats .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-10px);
}

.stat-item h2 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.stat-item h2 span {
    color: var(--accent);
}

.stat-item p {
    color: var(--gray);
    font-size: 1.1rem;
}

/* Sections communes */
section {
    padding: 80px 0;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 15px;
}

.section-subtitle {
    color: var(--secondary);
    text-align: center;
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.section-description {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
    color: var(--gray);
    font-size: 1.1rem;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 40px;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.7;
}

.vision-mission {
    display: grid;
    gap: 25px;
    margin-bottom: 40px;
}

.vm-card {
    background-color: var(--light);
    padding: 25px;
    border-radius: 10px;
    border-left: 5px solid var(--secondary);
    transition: var(--transition);
}

.vm-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow);
}

.vm-card h3 {
    color: var(--primary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.vm-card h3 i {
    color: var(--secondary);
}

.why-us {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.why-us h4 {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.why-us ul {
    list-style: none;
}

.why-us li {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.why-us li i {
    color: var(--success);
    margin-top: 3px;
}

.timeline {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.timeline h3 {
    color: var(--primary);
    margin-bottom: 30px;
    font-size: 1.5rem;
    text-align: center;
}

.timeline-item {
    display: flex;
    margin-bottom: 30px;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 60px;
    top: 0;
    bottom: -30px;
    width: 2px;
    background-color: var(--secondary);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-year {
    background-color: var(--primary);
    color: white;
    padding: 8px 15px;
    border-radius: 30px;
    font-weight: 600;
    min-width: 80px;
    text-align: center;
    margin-right: 20px;
    height: 40px;
    z-index: 1;
}

.timeline-content {
    flex: 1;
}

.timeline-content h4 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

/* Services Section */
.services {
    background-color: var(--light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.service-item {
    background-color: white;
    padding: 35px 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 5px solid var(--secondary);
}

.service-item:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.service-item h3 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-item > p {
    color: var(--gray);
    margin-bottom: 25px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
}

.service-features li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.cta-section {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
    padding: 50px;
    border-radius: 15px;
    text-align: center;
    margin-top: 30px;
}

.cta-section h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn:hover {
    background-color: #ff8533;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 107, 0, 0.3);
}

/* Portfolio Section */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background-color: white;
    border: 2px solid var(--light-gray);
    border-radius: 30px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.portfolio-header {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.portfolio-category {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
}

.portfolio-category.informatique {
    background-color: #e3f2fd;
    color: #1565c0;
}

.portfolio-category.tce {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.portfolio-category.mixte {
    background-color: #fff3e0;
    color: #ef6c00;
}

.portfolio-status {
    font-size: 0.85rem;
    font-weight: 500;
}

.portfolio-status.termine {
    color: var(--success);
}

.portfolio-status.encours {
    color: var(--warning);
}

.portfolio-content {
    padding: 0 20px 20px;
}

.portfolio-content h3 {
    color: var(--primary);
    font-size: 1.4rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.portfolio-year {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.portfolio-location {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.portfolio-client {
    background-color: var(--light);
    padding: 10px 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.portfolio-client strong {
    color: var(--primary);
}

.portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    background-color: #f1f8ff;
    color: var(--secondary);
    padding: 5px 12px;
    border-radius: 30px;
    font-size: 0.85rem;
}

/* Team Section */
.team-leaders {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.leader-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.leader-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.leader-info {
    padding: 30px;
}

.leader-info h3 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.leader-title {
    color: var(--secondary);
    font-weight: 500;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.leader-expertise {
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.leader-details {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    color: var(--gray);
}

.leader-details p {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
}

.leader-bio {
    line-height: 1.7;
    color: var(--dark);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 40px;
}

.contact-form {
    background-color: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.form-header {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
    padding: 25px 30px;
}

.form-header h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

#contactForm {
    padding: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

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

.btn-submit {
    width: 100%;
    background-color: var(--accent);
    color: white;
    padding: 15px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-info {
    display: grid;
    gap: 25px;
}

.info-card {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    border-left: 5px solid var(--secondary);
}

.info-card h3 {
    color: var(--primary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
}

.info-card p {
    line-height: 1.7;
    color: var(--dark);
}

.offices .office {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--light-gray);
}

.offices .office:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.office h4 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 1.1rem;
    display: flex;
    justify-content: space-between;
}

.office-type {
    background-color: var(--light);
    color: var(--secondary);
    padding: 3px 10px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 500;
}

.emergency-info {
    background: linear-gradient(to right, #dc3545, #ff6b6b);
    color: white;
    padding: 25px;
    border-radius: 10px;
    margin-top: 10px;
}

.emergency-info h3 {
    color: white;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Footer */
footer {
    background-color: var(--primary);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-logo .plus {
    color: var(--accent);
}

.footer-logo p {
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.link-column h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.link-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent);
}

.link-column ul {
    list-style: none;
}

.link-column li {
    margin-bottom: 12px;
}

.link-column a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.link-column a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.link-column li:not(a) {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-bottom p {
    margin-bottom: 10px;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 100px;
        left: -100%;
        flex-direction: column;
        background-color: white;
        width: 100%;
        padding: 30px;
        box-shadow: var(--shadow);
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .contact-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .team-leaders {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .cities {
        justify-content: center;
    }
    
    .stats .container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-section {
        padding: 30px 20px;
    }
}