/* Variables et réinitialisation */
:root {
    --primary-color: #001b87;
    --primary-light: #2a3da8;
    --secondary-color: #ff7900;
    --secondary-light: #ff9a40;
    --light-color: #ecf0f1;
    --dark-color: #001b87;
    --success-color: #27ae60;
    --card-border: 1px solid rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    color: #333;
    line-height: 1.6;
    background-color: #f9f9f9;
    overflow-x: hidden;
    font-size: 95%; /* Réduit toutes les tailles de texte */

}

h1, h2, h3, h4, h5 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* En-tête amélioré */
header {
    background-color: white;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    margin-bottom: 0;
    transition: var(--transition);
}

header.scrolled {
    padding: 5px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 5%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    flex-wrap: wrap;
}

.contact-info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.contact-info a {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.contact-info a:hover {
    color: var(--secondary-color);
    transform: translateY(-2px);
}

.lang-switcher {
    display: flex;
    gap: 10px;
}

.lang-switcher a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

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

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    position: relative;
    transition: all 0.3s ease;
    background: white;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: all 0.3s ease;
}

.logo h1 {
    font-size: 26px;
    color: var(--primary-color);
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 15px;
    background: white;
    padding: 8px;
    border-radius: 50px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.nav-menu a {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    padding: 12px 20px;
    border-radius: 50px;
    background: transparent;
    font-size: 14px;
    position: relative;
    overflow: hidden;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    transition: var(--transition);
    z-index: -1;
    border-radius: 50px;
}

.nav-menu a:hover::before {
    left: 0;
}

.nav-menu a:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 27, 135, 0.3);
}

.nav-menu i {
    font-size: 16px;
    width: 20px;
    text-align: center;
    color: var(--primary-color);
    transition: var(--transition);
}

.nav-menu a:hover i {
    color: white;
}

.search-icon {
    font-size: 20px;
    color: var(--dark-color);
    cursor: pointer;
    transition: var(--transition);
}

.search-icon:hover {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-color);
    background: none;
    border: none;
    padding: 8px;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.menu-toggle:hover {
    background-color: rgba(0, 27, 135, 0.1);
    color: var(--secondary-color);
}

/* Version mobile */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        border-radius: 15px;
        padding: 15px;
        gap: 10px;
        position: absolute;
        top: 100%;
        left: 5%;
        right: 5%;
        width: 90%;
        z-index: 1000;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-menu a {
        justify-content: center;
        padding: 15px;
    }
    
    .header-main {
        padding: 10px 5%;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .logo h1 {
        font-size: 22px;
    }
}

/* Bannière Hero améliorée */
.hero {
    background: linear-gradient(rgba(0, 27, 135, 0.7), rgba(0, 27, 135, 0.7)), url('images/bckg5.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    text-align: center;
    padding: 100px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 0;
    min-height: 90vh;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, #f9f9f9, transparent);
    z-index: 1;
}

.hero-content { 
    max-width: 900px;
    width: 100%;
    z-index: 2;
    animation: fadeIn 1s ease-out;
}

.hero h2 {
    font-family: 'Playfair Display', serif;
    font-weight: 800;
    font-size: 3.8rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    margin: 15px 0;
    text-align: center;
    max-width: 100%;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
    color: white;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(255, 121, 0, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-light) 0%, var(--secondary-color) 100%);
    transition: var(--transition);
    z-index: -1;
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(255, 121, 0, 0.4);
}

.btn:hover::before {
    left: 0;
}

/* Sections générales améliorées */
.section {
    padding: 100px 5%;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 3.8rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-title h4 {
    font-size: 2.8rem;
    color: white;
    margin-bottom: 15px;
}

.section-title p {
    color: #666;
    max-width: 800px;
    margin: 25px auto 0;
    font-size: 1.1rem;
}

.section-title2 p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 25px auto 0;
    font-size: 1.1rem;
}

/* À propos amélioré */
.about-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    position: relative;
}

.about-text {
    width: 100%;
    padding: 50px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    box-shadow: var(--shadow);
    border-left: 5px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.about-text::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: url('images/logo.jpeg') no-repeat center center;
    background-size: contain;
    opacity: 0.05;
    transform: rotate(15deg);
}

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 2rem;
    position: relative;
    display: inline-block;
}

.about-text h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.about-text p {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 25px;
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
    color: #444;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
    text-align: center;
}

.highlight-item {
    background: white;
    padding: 30px 25px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: var(--card-border);
    position: relative;
    overflow: hidden;
}

.highlight-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

.highlight-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.highlight-item:hover::before {
    width: 100%;
    opacity: 0.05;
}

.highlight-item i {
    font-size: 40px;
    color: var(--secondary-color);
    margin-bottom: 20px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.highlight-item h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.highlight-item p {
    text-align: center;
    margin: 0 auto;
    max-width: 90%;
    position: relative;
    z-index: 1;
}

/* Services améliorés */
.services {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('images/bckg2.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 27, 135, 0.8) 0%, rgba(255, 121, 0, 0.8) 100%);
    z-index: 0;
}

.services > * {
    position: relative;
    z-index: 1;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 35px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: var(--card-border);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.service-card:hover::before {
    height: 100%;
    opacity: 0.05;
}

.service-card i {
    font-size: 50px;
    color: var(--secondary-color);
    margin-bottom: 25px;
    transition: var(--transition);
}

.service-card:hover i {
    animation: pulse 1s infinite;
    color: var(--primary-color);
}

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

.service-card p {
    color: #555;
}

 /* Métiers améliorés */
.metiers {
    background: linear-gradient(45deg, rgba(217, 212, 207, 0.8) 0%, rgba(255, 255, 255, 0.9) 100%), url('https://images.unsplash.com/photo-1521737852567-6949f3f9f2b5?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    padding: 100px 5%;
    position: relative;
}

.metiers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.metier-card {
    background-color: white;
    padding: 35px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border: var(--card-border);
    position: relative;
    overflow: hidden;
}

.metier-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

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

.metier-card:hover::after {
    height: 100%;
    opacity: 0.05;
}

.metier-card i {
    font-size: 50px;
    color: var(--secondary-color);
    margin-bottom: 25px;
    transition: var(--transition);
}

.metier-card:hover i {
    animation: float 3s ease-in-out infinite;
}

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

/* Pourquoi nous choisir amélioré */
.why-us {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    padding: 100px 5%;
    margin-bottom: 15px;
    position: relative;
    overflow: hidden;
}

.why-us::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100" opacity="0.05"><circle cx="50" cy="50" r="40" fill="white"/></svg>') repeat;
    animation: rotate 30s linear infinite;
    z-index: 0;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.why-us > * {
    position: relative;
    z-index: 1;
}

.why-us .section-title h2 {
    color: white;
    margin-bottom: 15px;
}

.benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
    margin-bottom: 15px;
}

.benefit {
    padding: 40px 30px;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    transition: var(--transition);
    color: var(--dark-color);
    border: var(--card-border);
    position: relative;
    overflow: hidden;
}

.benefit::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

.benefit:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: var(--shadow-hover);
}

.benefit:hover::before {
    height: 100%;
    opacity: 0.05;
}

.benefit p {
    color: #666;
}

.benefit i {
    font-size: 50px;
    margin-bottom: 25px;
    color: var(--secondary-color);
    transition: var(--transition);
}

.benefit:hover i {
    animation: pulse 1s infinite;
}

/* RÉALISATIONS améliorées */
.realisations {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.realisation-item {
    position: relative;
    height: 280px;
    overflow: hidden;
    border-radius: 12px;
    border: var(--card-border);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.realisation-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.realisation-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.realisation-item:hover img {
    transform: scale(1.1);
}

.realisation-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    transition: var(--transition);
}

.realisation-item:hover::after {
    opacity: 1;
}

.realisation-item.hidden {
    display: none;
}

.show-more-container {
    text-align: center;
    margin-top: 50px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.show-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    border: none;
    padding: 15px 35px;
    border-radius: 50px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

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

.show-less-btn {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
}

/* Clients améliorés */
.clients {
    text-align: center;
    background-color: white;
    padding: 100px 5%;
    position: relative;
    overflow: hidden;
}

.clients::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100" opacity="0.02"><rect x="0" y="0" width="100" height="100" fill="%23001b87"/></svg>') repeat;
    z-index: 0;
}

.clients > * {
    position: relative;
    z-index: 1;
}

.clients-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 50px;
}

.client-logo {
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border-radius: 12px;
    min-width: 160px;
    border: var(--card-border);
    background: white;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.client-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

.client-logo:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.client-logo:hover::before {
    height: 100%;
    opacity: 0.05;
}

.client-logo img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.client-logo:hover img {
    transform: scale(1.1);
}

/* Contact amélioré */
.contact {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 100px 5%;
    position: relative;
}

.contact::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, var(--primary-color), transparent);
    opacity: 0.1;
    z-index: 0;
}

.contact > * {
    position: relative;
    z-index: 1;
}

.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: var(--card-border);
}

.contact-info {
    flex: 1;
    min-width: 300px;
    padding: 50px 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.contact-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1516387938699-a93567ec168e?ixlib=rb-4.0.3&auto=format&fit=crop&w=600&q=80') no-repeat center center;
    background-size: cover;
    opacity: 0.1;
}

.contact-info::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100" opacity="0.05"><circle cx="50" cy="50" r="40" fill="white"/></svg>') repeat;
    animation: rotate 30s linear infinite;
    z-index: 0;
}

.contact-info > * {
    position: relative;
    z-index: 1;
}

.contact-info h3 {
    color: white;
    margin-bottom: 25px;
    font-size: 2rem;
}

.contact-info > p {
    margin-bottom: 30px;
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.9;
}

.contact-details {
    margin-top: 30px;
}

.contact-details a {
    color: white !important;
    text-decoration: underline;
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--secondary-color) !important;
    text-decoration: none;
}

.contact-details p {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
    color: #fff !important; 
}

.contact-details i {
    color: var(--secondary-color);
    font-size: 24px;
    width: 30px;
    transition: var(--transition);
}

.contact-details p:hover i {
    transform: scale(1.2);
}

.contact-social {
    margin-top: 40px;
}

.contact-social h4 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-flex;
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: white;
    font-size: 20px;
}

.social-links a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(255, 121, 0, 0.3);
}

.contact-form {
    flex: 1;
    min-width: 300px;
    padding: 50px 40px;
}

.contact-form h3 {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: #444;
    font-size: 1rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 16px;
    transition: var(--transition);
    background: #f9f9f9;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 27, 135, 0.1);
    background: white;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.form-btn {
    text-align: center;
    margin-top: 20px;
}

.form-btn .btn {
    padding: 18px 50px;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
}

/* Pied de page amélioré */
footer {
    background: linear-gradient(135deg, var(--dark-color) 0%, #0026b3 100%);
    color: white;
    padding: 80px 5% 40px;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100" opacity="0.05"><polygon points="50,0 100,50 50,100 0,50" fill="white"/></svg>') repeat;
    z-index: 0;
}

footer > * {
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-column h3 {
    font-size: 1.4rem;
    margin-bottom: 25px;
    color: var(--secondary-color);
    position: relative;
    display: inline-block;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

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

.footer-column ul li {
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-column ul li:hover {
    transform: translateX(5px);
}

.footer-column a {
    color: #ddd;
    text-decoration: none;
    transition: var(--transition);
}

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

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.social-icons a {
    display: inline-flex;
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

.copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
}

/* Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Responsive amélioré */
@media (max-width: 1024px) {
    .hero h2 {
        font-size: 3rem;
    }
    
    .nav-menu {
        gap: 10px;
    }
    
    .nav-menu a {
        padding: 10px 18px;
        font-size: 12px;
    }
}

@media (max-width: 768px) {
    .header-main {
        flex-direction: row;
        padding: 15px;
    }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        text-align: center;
        gap: 15px;
        width: 90%;
        position: absolute;
        top: 100%;
        left: 5%;
        right: 5%;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        display: flex;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-menu a {
        justify-content: center;
        padding: 15px;
    }
    
    .header-top {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        padding: 15px 5%;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .section {
        padding: 80px 5%;
    }
    
    .about-content, .contact-container {
        flex-direction: column;
    }
    
    .services-grid, .metiers-grid, .benefits, .realisations, .footer-content, .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .client-logo {
        width: 100%;
        max-width: 200px;
    }
    
    .about-text {
        padding: 30px;
    }
    
    .about-text p {
        font-size: 1.1rem;
    }
    
    .contact-info, .contact-form {
        padding: 40px 30px;
    }
    
    .clients-logos {
        gap: 25px;
    }
    
    .hero {
        padding: 80px 20px;
        min-height: 80vh;
    }
    
    .hero h2 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section-title h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .benefit {
        padding: 30px 20px;
    }
    
    .hero {
        padding: 60px 15px;
        min-height: 70vh;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .section-title h2 {
        font-size: 2.3rem;
    }
    
    .btn {
        padding: 14px 30px;
        font-size: 14px;
    }
    
    .service-card, .metier-card {
        padding: 25px 20px;
    }
    
    .contact-details p {
        flex-direction: column;
        text-align: center;
        gap: 5px;
    }
    
    .footer-column {
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .about-text h3 {
        font-size: 1.5rem;
    }
    
    .about-text p {
        font-size: 1rem;
    }
    
    .about-text {
        padding: 25px 20px;
    }
    
    .contact-info, .contact-form {
        padding: 30px 20px;
    }
    
    .social-links a {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .clients-logos {
        gap: 20px;
    }
    
    .client-logo {
        min-width: 140px;
        height: 80px;
        padding: 15px;
    }
    
    .show-more-container {
        flex-direction: column;
        align-items: center;
    }
    
    .show-btn {
        width: 100%;
        max-width: 250px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}

/* Messages de statut du formulaire améliorés */
#formStatus {
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 10px;
    text-align: center;
    font-weight: 500;
    transition: var(--transition);
}

.form-status.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-status.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.form-status.loading {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Styles pour le formulaire amélioré */
.required {
    color: #e74c3c;
}

.error-message {
    color: #e74c3c;
    font-size: 0.85rem;
    margin-top: 5px;
    display: block;
}

.phone-input-container {
    display: flex;
    width: 100%;
}

.country-code-select {
    width: 30%;
    padding: 16px 15px;
    border: 1px solid #ddd;
    border-radius: 10px 0 0 10px;
    border-right: none;
    font-size: 16px;
    background-color: #f8f9fa;
    transition: var(--transition);
}

.country-code-select:focus {
    background-color: white;
}

.phone-number-input {
    width: 70%;
    border-radius: 0 10px 10px 0;
}

/* Style pour les champs en erreur */
input.error, select.error, textarea.error {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

/* Style pour les champs valides */
input.valid, select.valid, textarea.valid {
    border-color: #27ae60;
}

/* Indication de chargement */
.btn-loading {
    position: relative;
    color: transparent;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}