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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

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

.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.brand-logo {
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 2px;
    text-decoration: none;
    color: #000;
}

.brand-logo a {
    text-decoration: none;
    color: #000;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    transition: color 0.3s;
}

.nav a:hover {
    color: #007bff;
}

.hero {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: #fff;
    color: #667eea;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    font-size: 18px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.services-grid {
    padding: 80px 0;
    background: #f8f9fa;
}

.services-grid .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.service-card {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.service-card h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.service-card p {
    color: #666;
    line-height: 1.8;
}

.about-section {
    padding: 80px 0;
    text-align: center;
}

.about-section h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #333;
}

.about-section > p {
    font-size: 18px;
    color: #666;
    margin-bottom: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
    text-align: left;
}

.platform-item {
    padding: 25px;
    background: #f8f9fa;
    border-radius: 8px;
}

.platform-item strong {
    display: block;
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.platform-item p {
    color: #666;
    line-height: 1.7;
}

.value-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    text-align: center;
}

.value-section h2 {
    font-size: 42px;
    margin-bottom: 20px;
    color: #333;
    line-height: 1.3;
}

.value-section > p {
    font-size: 18px;
    color: #666;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.value-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.value-item {
    background: #fff;
    padding: 35px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.value-item strong {
    display: block;
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.value-item p {
    color: #666;
    line-height: 1.7;
}

.services-detailed {
    padding: 80px 0;
    background: #fff;
}

.services-detailed h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.services-detailed > p {
    text-align: center;
    font-size: 18px;
    color: #666;
    margin-bottom: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

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

.service-detail {
    padding: 30px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.service-detail h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
}

.service-detail p {
    color: #666;
    line-height: 1.7;
}

.service-detail a {
    color: #667eea;
    text-decoration: none;
}

.service-detail a:hover {
    text-decoration: underline;
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
}

.cta-section h2 {
    font-size: 42px;
    margin-bottom: 15px;
}

.cta-section h3 {
    font-size: 32px;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-section .cta-button {
    background: #fff;
    color: #667eea;
}

.footer {
    padding: 60px 0 30px;
    background: #1a1a1a;
    color: #fff;
    text-align: center;
}

.footer h3 {
    font-size: 28px;
    margin-bottom: 30px;
}

.contact-info {
    margin-bottom: 40px;
}

.contact-info p {
    font-size: 18px;
    margin-bottom: 10px;
}

.contact-info a {
    color: #667eea;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.footer-links {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
}

.footer-links a:hover {
    color: #fff;
}

.copyright {
    font-size: 14px;
    color: #999;
    margin-bottom: 20px;
}

.footer-brand {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 3px;
    color: #fff;
}

@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .services-grid .container,
    .platforms,
    .value-items,
    .services-list {
        grid-template-columns: 1fr;
    }
    
    .value-section h2,
    .cta-section h2 {
        font-size: 28px;
    }
    
    .cta-section h3 {
        font-size: 24px;
    }
}