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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

/* Logo Styles */
.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-btp {
    position: relative;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 50%, #2980b9 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.btp-letter {
    font-size: 13px;
    font-weight: 900;
    color: white;
    line-height: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.5px;
    font-family: 'Inter', sans-serif;
}

.btp-letter:nth-child(1) { 
    margin-right: 2px; 
    color: #ecf0f1;
}
.btp-letter:nth-child(2) { 
    margin: 0 2px; 
    color: #ffffff;
    font-size: 14px;
}
.btp-letter:nth-child(3) { 
    margin-left: 2px; 
    color: #ecf0f1;
}

.construction-elements {
    position: absolute;
    top: -3px;
    right: -3px;
    width: 18px;
    height: 18px;
}

.hammer {
    position: absolute;
    top: 1px;
    right: 1px;
    width: 10px;
    height: 10px;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    border-radius: 3px;
    transform: rotate(45deg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hammer::before {
    content: '';
    position: absolute;
    top: -3px;
    left: 3px;
    width: 3px;
    height: 8px;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hammer::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, #d35400 0%, #e67e22 100%);
    border-radius: 1px;
}

.gear {
    position: absolute;
    bottom: -1px;
    left: -1px;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.gear::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 3px;
    height: 3px;
    background: white;
    border-radius: 50%;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.gear::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 1px;
    width: 6px;
    height: 6px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

.logo-text h1 {
    color: #2c3e50;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Animation du logo */
.logo-btp {
    animation: logoFloat 3s ease-in-out infinite;
}

.hammer {
    animation: hammerSwing 2s ease-in-out infinite;
}

.gear {
    animation: gearRotate 4s linear infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-2px); }
}

@keyframes hammerSwing {
    0%, 100% { transform: rotate(45deg) scale(1); }
    25% { transform: rotate(50deg) scale(1.05); }
    50% { transform: rotate(55deg) scale(1.1); }
    75% { transform: rotate(50deg) scale(1.05); }
}

@keyframes gearRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #3498db;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #3498db;
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.8) 0%, rgba(52, 152, 219, 0.7) 100%);
    z-index: -1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
}

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

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: #3498db;
    transform: translateY(-2px);
}

/* Animation pour l'image de fond */
.hero-bg-image {
    animation: zoomIn 20s ease-in-out infinite;
}

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

/* Services Section */
.services {
    padding: 100px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #3498db;
    border-radius: 2px;
}

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

.service-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

/* Certifications Section */
.certifications {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
}

.certifications-content {
    max-width: 1200px;
    margin: 0 auto;
}

.certifications-intro {
    text-align: center;
    margin-bottom: 4rem;
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.certifications-intro h3 {
    font-size: 2rem;
    color: #1976d2;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.certifications-intro p {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.certification-category {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.certification-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.certification-category h3 {
    font-size: 1.5rem;
    color: #1976d2;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 600;
    border-bottom: 2px solid #1976d2;
    padding-bottom: 1rem;
}

.badges-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.certification-badge {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
    border-left: 4px solid #1976d2;
}

.certification-badge:hover {
    background: #e3f2fd;
    transform: translateX(5px);
}

.badge-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1976d2, #42a5f5);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.badge-content {
    flex: 1;
}

.badge-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.badge-content p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.badge-date {
    color: #1976d2;
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(25, 118, 210, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    display: inline-block;
}

.certifications-commitment {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.certifications-commitment h3 {
    font-size: 2rem;
    color: #1976d2;
    margin-bottom: 2rem;
    font-weight: 700;
}

.commitment-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.commitment-stat {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #1976d2, #42a5f5);
    border-radius: 12px;
    color: white;
    transition: all 0.3s ease;
}

.commitment-stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(25, 118, 210, 0.3);
}

.commitment-stat h4 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.commitment-stat p {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 500;
}

/* About Section */
.about {
    padding: 100px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #27ae60;
    font-weight: 500;
}

.feature i {
    font-size: 1.2rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 15px;
    color: white;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Sustainability Section */
.sustainability {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f5e8 100%);
}

.sustainability-content {
    max-width: 1200px;
    margin: 0 auto;
}

.sustainability-intro {
    text-align: center;
    margin-bottom: 4rem;
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.sustainability-intro h3 {
    font-size: 2rem;
    color: #27ae60;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.sustainability-intro p {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.sustainability-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.stat-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-top: 4px solid #27ae60;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.stat-card h4 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #27ae60;
    margin-bottom: 1rem;
}

.stat-card p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

.sustainability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.sustainability-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-left: 4px solid #27ae60;
}

.sustainability-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.sustainability-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

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

.sustainability-card li {
    color: #666;
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.6;
}

.sustainability-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

.sustainability-card strong {
    color: #2c3e50;
}

.sustainability-commitment {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.sustainability-commitment h3 {
    font-size: 2rem;
    color: #27ae60;
    margin-bottom: 2rem;
    font-weight: 700;
}

.commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.commitment-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.commitment-item:hover {
    background: #e8f5e8;
    transform: translateX(5px);
}

.commitment-item i {
    color: #27ae60;
    font-size: 1.2rem;
    min-width: 20px;
}

.commitment-item span {
    color: #2c3e50;
    font-weight: 500;
    line-height: 1.5;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.contact-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.contact-item i {
    font-size: 1.5rem;
    color: #3498db;
    margin-top: 0.2rem;
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.3rem;
}

.contact-item p {
    color: #666;
    line-height: 1.5;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: 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 h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #3498db;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3498db;
}

.footer-section ul li i {
    margin-right: 0.5rem;
    color: #3498db;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 1rem;
    text-align: center;
    color: #bdc3c7;
}

.footer-bottom a {
    color: #3498db;
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .logo-container {
        gap: 8px;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
    }

    .logo-btp {
        width: 45px;
        height: 45px;
        border-radius: 12px;
    }

    .btp-letter {
        font-size: 11px;
    }

    .btp-letter:nth-child(2) {
        font-size: 12px;
    }

    .construction-elements {
        width: 16px;
        height: 16px;
    }

    .hammer {
        width: 8px;
        height: 8px;
    }

    .gear {
        width: 6px;
        height: 6px;
    }

    .logo-text h1 {
        font-size: 1.5rem;
    }

    .domain {
        font-size: 0.8rem;
    }

    .hero-container {
        text-align: center;
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: row;
        justify-content: space-around;
        flex-wrap: wrap;
    }

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

    .services-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .sustainability-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .sustainability-grid {
        grid-template-columns: 1fr;
    }

    .commitment-grid {
        grid-template-columns: 1fr;
    }

    .sustainability-intro {
        padding: 2rem;
    }

    .sustainability-intro h3 {
        font-size: 1.5rem;
    }

    .sustainability-intro p {
        font-size: 1rem;
    }

    .certifications-grid {
        grid-template-columns: 1fr;
    }

    .certification-category {
        padding: 2rem;
    }

    .certifications-intro {
        padding: 2rem;
    }

    .certifications-intro h3 {
        font-size: 1.5rem;
    }

    .certifications-intro p {
        font-size: 1rem;
    }

    .commitment-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .service-card {
        padding: 2rem 1.5rem;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .sustainability-stats {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 2rem 1.5rem;
    }

    .stat-card h4 {
        font-size: 2rem;
    }

    .sustainability-card {
        padding: 2rem 1.5rem;
    }

    .sustainability-commitment {
        padding: 2rem 1.5rem;
    }

    .commitment-item {
        padding: 0.8rem;
    }

    .certification-badge {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .badge-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .certification-category {
        padding: 1.5rem;
    }

    .certifications-commitment {
        padding: 2rem 1.5rem;
    }

    .commitment-stats {
        grid-template-columns: 1fr;
    }

    .commitment-stat h4 {
        font-size: 2rem;
    }
}

/* Direction Page Styles */
.direction {
    padding: 100px 0;
    background: #f8f9fa;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.direction-category {
    margin-bottom: 4rem;
}

.category-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #3498db;
    border-radius: 2px;
}

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

.team-member {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.member-photo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.member-info h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.position {
    font-size: 1rem;
    font-weight: 500;
    color: #3498db;
    margin-bottom: 0.5rem;
}

.experience {
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

/* Responsive for direction page */
@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .category-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.contact-item,
.stat {
    animation: fadeInUp 0.6s ease forwards;
}