body,
html {
    height: 100%;
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    padding: 0 20px;
}

header {
    position: relative;
    width: 100%;
    background-color: #333;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    box-sizing: border-box;
}

header .logo {
    height: 40px;
    width: auto;
    display: flex;
    align-items: center;
}

.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    cursor: pointer;
    position: absolute;
    top: 20px;
    right: 30px;
    z-index: 1000;
}

.hamburger-menu span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #fff;
    transition: all 0.3s ease;
}

.menu {
    display: flex;
    gap: 20px;
    align-items: center;
}

.menu a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    line-height: 40px;
    display: inline-block;
    vertical-align: middle;
}

@media (max-width: 768px) {
    .hamburger-menu {
        display: flex;
    }

    .menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(51, 51, 51, 0.9);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 999;
    }

    .menu.active {
        display: flex;
    }

    .menu a {
        margin: 15px 0;
        font-size: 24px;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px 20px;
    }

    header .logo {
        margin-bottom: 10px;
        align-self: flex-start;
    }

    .hamburger-menu {
        position: absolute;
        top: 15px;
        right: 20px;
    }
}
html {
    overflow-y: scroll;
}