/* Variables globales */
:root {
    --primary-color: #005792;
    --primary-dark: #00345a;
    --primary-light: #0076c5;
    --secondary-color: #00a8cc;
    --accent-color: #f9a826;
    --text-color: #333333;
    --text-light: #6c757d;
    --bg-light: #f8f9fa;
    --bg-dark: #333333;
    --white: #ffffff;
    --border-color: #e7e7e7;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --container-width: 1200px;
    --border-radius: 4px;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-light);
    font-size: 16px;
}

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

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

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

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    margin-bottom: 1rem;
    font-weight: 600;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

section {
    padding: var(--spacing-lg) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-weight: 700;
    position: relative;
    display: inline-block;
    margin-bottom: 0.75rem;
    color: var(--primary-dark);
}

.section-divider {
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
    margin: 0 auto;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    transition: padding 0.3s ease;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.logo span {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-color);
    padding: 0.5rem 0.75rem;
    border-bottom: 2px solid transparent;
}

.nav-links a:hover, 
.nav-links a.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.contact-btn {
    background-color: var(--primary-color);
    color: var(--white) !important;
    padding: 0.6rem 1.2rem !important;
    border-radius: var(--border-radius);
    border-bottom: none !important;
}

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

.burger-menu {
    display: none;
    cursor: pointer;
}

.burger-menu div {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    background: linear-gradient(rgba(0, 87, 146, 0.85), rgba(0, 87, 146, 0.9)), url('https://images.unsplash.com/photo-1581093198475-0aa28de8ae0b?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    color: var(--white);
    position: relative;
}

.hero-content {
    max-width: 800px;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--white);
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
}

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

.cta-button {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.primary-btn {
    background-color: var(--accent-color);
    color: var(--text-color);
}

.primary-btn:hover {
    background-color: #e59516;
    color: var(--text-color);
    transform: translateY(-2px);
}

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

.secondary-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transform: translateY(-2px);
}

/* À propos */
.about {
    background-color: var(--white);
}

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

.about-text p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-image {
    height: 200px;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.service-objectif {
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 1.25rem;
    font-weight: 500;
}

.service-list {
    padding-left: 1.5rem;
}

.service-list li {
    position: relative;
    padding-left: 0.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.service-list li::before {
    content: '•';
    color: var(--secondary-color);
    position: absolute;
    left: -1rem;
    font-weight: bold;
}

/* Pourquoi nous */
.why-us {
    background-color: var(--white);
}

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

.reason-card {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    background-color: var(--bg-light);
}

.reason-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.reason-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
}

.reason-icon i {
    font-size: 2rem;
}

.reason-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.reason-card p {
    color: var(--text-light);
}

/* Contact */
.contact {
    background-color: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-item a, 
.contact-item p {
    color: var(--text-color);
    font-size: 1rem;
    margin-bottom: 0;
}

.contact-map {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.contact-note {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-light);
    font-style: italic;
}

/* Footer */
footer {
    background-color: var(--bg-dark);
    color: var(--white);
    padding-top: 3rem;
}

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

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 80%;
}

.footer-links h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--white);
    position: relative;
}

.footer-links h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Media Queries */
@media (max-width: 992px) {
    :root {
        --spacing-lg: 3rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-info p {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero {
        min-height: 80vh;
        padding: 6rem 0 3rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .burger-menu {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        width: 80%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        align-items: flex-start;
        padding: 2rem;
        z-index: 1000;
        box-shadow: var(--shadow-md);
        transition: right 0.3s ease;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        width: 100%;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }
}

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta-button {
        width: 100%;
    }
    
    .reasons-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 2.5rem 0;
    }
}