/* Variables CSS - Couleurs ProRenov95 */
:root {
    --primary-color: #254e98;      /* Bleu 37,78,152 */
    --secondary-color: #8ab744;    /* Vert 138,183,68 */
    --dark-blue: #1a3a73;
    --light-green: #a8c963;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --black: #000000;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --font-family: 'Lexend', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--dark-blue);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-size: 1rem;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--light-green);
    border-color: var(--light-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* Header - Style ProRenov95 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

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

.nav-brand .logo {
    height: 60px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-link {
    font-weight: 500;
    color: var(--dark-gray);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-emergency {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--danger);
    color: var(--white);
    border-radius: var(--border-radius);
    font-weight: 600;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(220, 53, 69, 0); }
    100% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0); }
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-gray);
    transition: var(--transition);
}

/* Hero Section - Style ProRenov95 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%);
    color: var(--white);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.highlight {
    color: var(--secondary-color);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.feature i {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

/* Sections communes */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Nos Expertises - Grille 2x2 */
.expertises {
    background-color: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.service-card h3 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.service-link {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-link::after {
    content: '→';
    transition: var(--transition);
}

.service-link:hover::after {
    transform: translateX(3px);
}

/* Section Éco-responsable */
.eco-section {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--light-green) 100%);
    color: var(--white);
}

.eco-section .section-title,
.eco-section .eco-intro {
    color: var(--white);
}

.eco-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.eco-intro {
    font-size: 1.2rem;
    opacity: 0.9;
}

.eco-features {
    display: grid;
    gap: 1.5rem;
}

.eco-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.eco-feature i {
    font-size: 1.5rem;
    color: var(--white);
    margin-top: 0.25rem;
}

.eco-feature h4 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.eco-feature p {
    opacity: 0.9;
}

.eco-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.eco-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 3rem;
    border-radius: 50%;
    text-align: center;
    backdrop-filter: blur(10px);
}

.eco-badge i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.eco-badge span {
    font-size: 1.2rem;
    font-weight: 600;
}

/* Section Clients */
.clients-section {
    background-color: var(--light-gray);
}

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

.client-stat {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-icon {
    margin-bottom: 1rem;
}

.stat-icon i {
    font-size: 2.5rem;
    color: var(--secondary-color);
}

.client-stat h4 {
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.client-stat p {
    color: var(--medium-gray);
    margin: 0;
}

/* Pourquoi nous choisir - Grille 2x2 */
.why-choose {
    padding: 5rem 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.advantage-card {
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

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

.advantage-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.advantage-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.advantage-card h4 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.advantage-card p {
    color: var(--medium-gray);
    margin: 0;
}

/* Notre Histoire */
.history-section {
    background-color: var(--light-gray);
}

.history-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--medium-gray);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.founders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.founder-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.founder-avatar {
    margin-bottom: 1.5rem;
}

.founder-avatar i {
    font-size: 4rem;
    color: var(--primary-color);
}

.founder-card h4 {
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.founder-role {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.founder-card p {
    color: var(--medium-gray);
    margin-bottom: 2rem;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

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

/* Témoignages */
.testimonials {
    padding: 5rem 0;
}

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

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
}

.testimonial-info h5 {
    margin: 0;
    color: var(--dark-gray);
}

.testimonial-rating {
    color: var(--warning);
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--medium-gray);
    font-style: italic;
    margin: 0;
}

.testimonial-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    color: var(--medium-gray);
}

.testimonial-date {
    color: var(--medium-gray);
    font-size: 0.85rem;
    margin-top: 1rem;
}

/* Certifications */
.certifications {
    background-color: var(--light-gray);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.certification-item {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.cert-logo {
    height: 100px;
    width: auto;
    margin-bottom: 1.5rem;
}

.certification-item h4 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.certification-item p {
    color: var(--medium-gray);
    margin: 0;
}

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

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

.faq-item {
    border-bottom: 1px solid #eee;
}

.faq-question {
    width: 100%;
    padding: 1.5rem 0;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--dark-gray);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-question i {
    transition: var(--transition);
}

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

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

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 0 1.5rem 0;
    color: var(--medium-gray);
    margin: 0;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--medium-gray);
    margin-bottom: 2rem;
}

.contact-methods {
    margin-bottom: 3rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.contact-method h4 {
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
}

.contact-method p {
    margin: 0.25rem 0;
    color: var(--medium-gray);
}

.contact-method a {
    color: var(--primary-color);
    font-weight: 500;
}

.whatsapp-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: #25d366;
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.whatsapp-link:hover {
    background-color: #1da851;
    color: var(--white);
}

.engagements h4 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.engagements ul {
    list-style: none;
}

.engagements li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--medium-gray);
}

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

/* Formulaire de contact */
.contact-form-container {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    color: var(--dark-gray);
    margin-bottom: 2rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

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

.g-recaptcha {
    margin-bottom: 1.5rem;
}

/* Footer */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

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

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

.footer-section li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section li i {
    color: var(--secondary-color);
    width: 20px;
}

.footer-section a {
    color: var(--medium-gray);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--medium-gray);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--medium-gray);
}

.footer-links a:hover {
    color: var(--white);
}

/* Boutons flottants */
.floating-call {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
}

.floating-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background-color: var(--danger);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    box-shadow: var(--shadow-hover);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.floating-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
    color: var(--white);
}

/* Pages légales */
.legal-page {
    padding: 6rem 0 4rem;
    min-height: 100vh;
}

.legal-page .container {
    max-width: 800px;
}

.legal-page h1 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

.legal-page h2 {
    color: var(--dark-gray);
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

.legal-page h3 {
    color: var(--primary-color);
    margin-top: 1.5rem;
}

.legal-page p {
    text-align: justify;
    line-height: 1.8;
}

.legal-page ul {
    padding-left: 2rem;
    margin-bottom: 1rem;
}

.legal-page li {
    margin-bottom: 0.5rem;
}

/* Styles spécifiques pages services */
.service-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%);
}

.problem-section {
    background-color: var(--light-gray);
    padding: 4rem 0;
}

.problem-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.problem-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.problem-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.problem-item i {
    font-size: 1.5rem;
    color: var(--danger);
    margin-top: 0.25rem;
}

.urgency-badge {
    background: linear-gradient(135deg, var(--danger), #ff6b6b);
    color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-hover);
}

.urgency-badge i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.urgency-text {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    margin-top: 1rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem;
    border-radius: 4px;
}

.solutions-section {
    padding: 5rem 0;
}

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

.solution-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.solution-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

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

.solution-card ul {
    list-style: none;
    padding: 0;
}

.solution-card li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--medium-gray);
}

.solution-card li::before {
    content: '✓';
    color: var(--secondary-color);
    font-weight: bold;
}

/* Styles pour les images */
img {
    max-width: 100%;
    height: auto;
}

/* Styles pour les listes */
ul, ol {
    padding-left: 1.5rem;
}

/* Styles pour les tableaux */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: var(--light-gray);
    font-weight: 600;
}

/* Styles pour les alertes/notifications - CORRIGÉ */
.alert {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    min-width: 400px;
    max-width: 600px;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

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

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

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #b8daff;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .eco-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: var(--shadow);
        transition: var(--transition);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .btn-emergency {
        font-size: 0.9rem;
        padding: 8px 12px;
    }
    
    .btn-emergency span {
        display: none;
    }
    
    .hero {
        padding: 6rem 0 4rem;
        min-height: 80vh;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }
    
    section {
        padding: 3rem 0;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .services-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .clients-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .founders-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .floating-call {
        bottom: 15px;
        right: 15px;
    }
    
    .floating-btn span {
        display: none;
    }
    
    .floating-btn {
        width: 60px;
        height: 60px;
        border-radius: 50%;
        justify-content: center;
        padding: 0;
    }
    
    /* Alerte responsive */
    .alert {
        top: 80px;
        left: 10px;
        right: 10px;
        min-width: auto;
        max-width: none;
        transform: none;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .service-card,
    .advantage-card,
    .founder-card,
    .certification-item {
        padding: 1.5rem;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
}

/* Print styles */
@media print {
    .header,
    .floating-call,
    .footer,
    .alert {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero {
        background: none !important;
        color: var(--black) !important;
        page-break-after: always;
    }
    
    section {
        padding: 1rem 0;
    }
}

/* Accessibilité */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible pour l'accessibilité */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}