* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #ecf0f1;
    --white: #ffffff;
    --gray: #7f8c8d;
    --dark-gray: #34495e;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

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

.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

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

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

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

.lang-switch button {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.lang-switch button:hover {
    background: var(--secondary-color);
}

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.btn-primary {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

.features {
    padding: 80px 0;
    background: var(--light-bg);
}

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

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.industries {
    padding: 80px 0;
}

.industry-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.industry-item {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.about-content {
    padding: 80px 0;
}

.about-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.about-intro h2 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.company-info {
    margin: 4rem 0;
}

.company-info h2 {
    text-align: center;
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

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

.info-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.mission, .vision {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
}

.mission h2, .vision h2 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.values {
    margin: 4rem 0;
}

.values h2 {
    text-align: center;
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.value-card {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.value-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.services-detail {
    padding: 80px 0;
}

.service-block {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
    padding: 3rem;
    background: var(--light-bg);
    border-radius: 15px;
}

.service-block.reverse {
    grid-template-columns: 1fr 2fr;
}

.service-block.reverse .service-content {
    order: 2;
}

.service-block.reverse .service-icon-large {
    order: 1;
}

.service-content h2 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.service-content ul {
    list-style: none;
    margin-top: 1rem;
}

.service-content ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-content ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.service-icon-large {
    font-size: 8rem;
    text-align: center;
}

.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.contact-section {
    padding: 80px 0;
}

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

.contact-info {
    padding: 2rem;
}

.contact-info h2 {
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 10px;
}

.contact-icon {
    font-size: 2rem;
}

.contact-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-form {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
}

.contact-form h2 {
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
}

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

.legal-content {
    padding: 80px 0;
}

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h2 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.legal-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

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

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

.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

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

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

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

.footer-col a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .service-block,
    .service-block.reverse {
        grid-template-columns: 1fr;
    }
    
    .service-block.reverse .service-content {
        order: 1;
    }
    
    .service-block.reverse .service-icon-large {
        order: 2;
    }
}