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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.navigation {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 0;
    display: flex;
    list-style: none;
}

.navigation li {
    flex: 1;
}

.navigation a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 18px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    border-bottom: 3px solid transparent;
}

.navigation a:hover {
    background: rgba(255, 255, 255, 0.15);
    border-bottom-color: white;
}

.navigation a.active {
    background: rgba(255, 255, 255, 0.25);
    border-bottom-color: white;
}

#content {
    padding: 40px;
    animation: fadeIn 0.4s ease;
}

#content h1 {
    color: #333;
    margin-bottom: 20px;
    font-size: 2em;
}

#content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 1.05em;
}

#content ul {
    color: #666;
    line-height: 1.8;
    margin: 20px 0;
    padding-left: 30px;
}

#content li {
    margin-bottom: 10px;
}

#content address {
    color: #666;
    font-style: normal;
    margin: 20px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

#content address strong {
    color: #333;
    display: block;
    margin-bottom: 10px;
}

#content a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s ease;
}

#content a:hover {
    color: #764ba2;
    text-decoration: underline;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.loader {
    display: none;
    text-align: center;
    padding: 40px;
    color: #667eea;
}

.loader.active {
    display: block;
}