/* ===== VARIABLES ===== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #f97316;
    --secondary-dark: #ea580c;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --white: #ffffff;
    --black: #0f172a;
    
    --font-primary: 'Inter', sans-serif;
    
    --shadow-sm: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.1);
    --shadow-lg: 0 25px 50px -12px rgba(0,0,0,0.25);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--light);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 30px;
}

/* ===== TYPOGRAPHIE ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--gray);
}

/* ===== BOUTONS ===== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--white);
}

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

.btn-light {
    background-color: var(--white);
    color: var(--primary);
}

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

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

.btn-outline-light:hover {
    background-color: var(--white);
    color: var(--primary);
}

.btn-success {
    background-color: #25D366;
    color: var(--white);
}

.btn-success:hover {
    background-color: #128C7E;
}

/* ===== TOP BAR ===== */
.top-bar {
    background-color: var(--dark);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.9rem;
}

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

.contact-info span {
    margin-right: 20px;
}

.contact-info i {
    margin-right: 5px;
    color: var(--secondary);
}

.social-icons a {
    color: var(--white);
    margin-left: 15px;
    transition: color 0.3s;
}

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

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

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

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-highlight {
    color: var(--secondary);
    -webkit-text-fill-color: var(--secondary);
}

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

.nav-menu li {
    margin-left: 30px;
    position: relative;
}

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

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

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-sm);
    padding: 15px 0;
    min-width: 250px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s;
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
    padding: 8px 20px;
}

.dropdown-menu a {
    color: var(--dark);
    font-size: 0.95rem;
}

.dropdown-menu a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.nav-btn {
    display: flex;
    align-items: center;
}

.btn-client {
    background-color: var(--secondary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-client:hover {
    background-color: var(--secondary-dark);
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-only {
    display: none;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 60px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.slogan-fr {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.slogan-wolof {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    gap: 30px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--secondary);
    color: var(--white);
    padding: 20px;
    border-radius: 50%;
    width: 100px;
    height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.experience-badge span {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
}

.experience-badge small {
    font-size: 0.8rem;
}

/* ===== SERVICES PREVIEW ===== */
.services-preview {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-header h2 {
    position: relative;
    padding-bottom: 20px;
}

.section-header h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--secondary);
    border-radius: var(--radius-full);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    border: 1px solid rgba(0,0,0,0.05);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(37,99,235,0.1) 0%, rgba(249,115,22,0.1) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 2rem;
    color: var(--primary);
}

.service-card h3 {
    margin-bottom: 15px;
}

.service-card p {
    margin-bottom: 20px;
    color: var(--gray);
}

.service-card a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.service-card a i {
    transition: transform 0.3s;
}

.service-card a:hover i {
    transform: translateX(5px);
}

/* ===== WHY US ===== */
.why-us {
    padding: 80px 0;
    background-color: var(--white);
}

.why-us-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.feature {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: rgba(37,99,235,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.feature-text h3 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.feature-text p {
    margin: 0;
}

.why-us-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ===== SOLUTIONS BREF ===== */
.solutions-bref {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.solutions-bref .section-header h2,
.solutions-bref .section-header p {
    color: var(--white);
}

.solutions-bref .section-header h2:after {
    background-color: var(--white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.solution-item {
    text-align: center;
    background-color: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: var(--radius-md);
    transition: transform 0.3s;
}

.solution-item:hover {
    transform: translateY(-5px);
    background-color: rgba(255,255,255,0.2);
}

.solution-item i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--secondary);
}

.solution-item h3 {
    color: var(--white);
    margin-bottom: 10px;
}

.solution-item p {
    color: rgba(255,255,255,0.9);
    margin: 0;
}

.text-center {
    text-align: center;
}

/* ===== CTA ===== */
.cta {
    padding: 100px 0;
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('../images/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255,255,255,0.9);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 15px;
}

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

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

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.footer-social a {
    color: var(--white);
    font-size: 1.2rem;
    transition: color 0.3s;
}

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

.footer-links h4 {
    color: var(--white);
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-contact p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
}

.footer-contact i {
    color: var(--secondary);
    margin-right: 10px;
    width: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 30px;
        transition: left 0.3s;
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 20px;
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .nav-toggle {
        display: block;
        z-index: 1000;
    }
    
    .nav-btn {
        display: none;
    }
    
    .mobile-only {
        display: block;
    }
    
    .hero .container,
    .why-us-content {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
}