* {
    font-family: 'Inconsolata', monospace;
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background: #ffffff;
    min-height: 100vh;
    color: #2c3e50;
    line-height: 1.6;
}

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

.hero {
    text-align: center;
    padding: 4rem 0 3rem 0;
    background: #ffffff;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: #1a1a1a;
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hero h2 {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 2rem;
    font-weight: 300;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.intro {
    text-align: center;
    padding: 2rem 0;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
    font-size: 1.2rem;
    color: #555;
    border-bottom: 1px solid #eee;
    margin-bottom: 3rem;
}

.services {
    padding: 3rem 0;
    text-align: center;
    background: #ffffff;
}

.services h2 {
    font-size: 2.8rem;
    color: #1a1a1a;
    margin-bottom: 2.5rem;
    font-weight: 300;
    text-align: center;
    letter-spacing: -0.02em;
}

.services ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    padding: 0;
    max-width: 1000px;
    margin: 0 auto;
}

.services li {
    padding: 2rem 0;
    background: #ffffff;
    border-bottom: 1px solid #eee;
    transition: all 0.2s ease;
    font-size: 1.1rem;
    color: #333;
    font-weight: 400;
}

.services li:hover {
    color: #000;
    padding-left: 1rem;
}

.demo {
    padding: 3rem 0;
    text-align: center;
    background: #ffffff;
    border-top: 1px solid #eee;
    margin-top: 3rem;
}

.demo h2 {
    font-size: 2.8rem;
    color: #1a1a1a;
    margin-bottom: 2.5rem;
    font-weight: 300;
    letter-spacing: -0.02em;
}

.chatbot-frame {
    width: 100%;
    max-width: 800px;
    height: 600px;
    margin: 0 auto;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

.chatbot-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.contacts-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.contacts-links a {
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem;
    border-radius: 50%;
    background: #f8f8f8;
    border: 1px solid #e0e0e0;
}

.contact-icon {
    width: 24px;
    height: 24px;
    transition: all 0.2s ease;
    fill: #333;
}

.contacts-links a:hover {
    background: #333;
    border-color: #333;
}

.contacts-links a:hover .contact-icon {
    fill: #ffffff;
}

.footer {
    background: #1a1a1a;
    padding: 0.75rem 0;
    margin-top: 4rem;
    border-top: 1px solid #eee;
}

.footer-content {
    display: flex;
    justify-content: center;
    text-align: center;
}

.footer .contact-info {
    max-width: 600px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .services li {
        padding: 2rem 0;
    }
    
    .chatbot-frame {
        height: 500px;
        margin: 0 1rem;
    }
    
    .contacts-links {
        gap: 1.5rem;
    }
    
    .footer {
        padding: 0.75rem 0;
    }
}