body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.4;
}

.header {
    background-color: #333;
    color: white;
    padding: 1rem 0;
    position: fixed;
    line-height: 1;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #eee;
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 1rem;
}

#section1 {margin-top: 60px;}

.section {
    padding: 40px 1rem;
}

.section:nth-child(even) {
    background-color: #f9f9f9;
}

.content {
    max-width: 1140px;
    margin: 0 auto;
}

.advantages {
    background-color: #e9e9e9;
    padding: 50px 1rem;
    text-align: center;
}

.advantage-list {
    display: flex;
    justify-content: space-around;
    gap: 2rem;
    margin: 0 auto;
    flex-wrap: wrap;
    max-width: 1140px;
}

.advantage-item {
    background-color: white;
    padding: 2rem;
    border-radius: 6px;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.05);
    flex: 0 1 max(25%, 250px);
    text-align: left;
}

.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
}

.footer p {
    margin: 0;
}

.footer a {color: white;}