body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f3f4f6;
    color: #333;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease;
}

.navbar {
    background-color: #0078d4;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
}

.hamburger .line {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 4px 0;
    transition: transform 0.3s, opacity 0.3s;
}

.nav-links {
    display: flex;
    justify-content: space-around;
    width: 100%;
}

.navbar a {
    color: white;
    text-decoration: none;
    padding: 10px 15px;
    transition: background-color 0.3s;
    border-radius: 4px;
}

.navbar a:hover {
    background-color: #005a9e;
}

.content {
    max-width: 800px;
    margin: auto;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    text-align: center;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
}

input, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #0078d4;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
}

button:hover {
    background-color: #005a9e;
    transform: translateY(-2px);
}

.error-box {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #ff4444;
    color: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    display: none;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.error-box.hide {
    animation: slideOut 0.5s ease-in;
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.chat-icon {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #0078d4;
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s;
    font-size: 24px;
}

.chat-icon:hover {
    transform: scale(1.1);
}

.contact-button {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #0078d4;
    color: white;
    border-radius: 4px;
    text-decoration: none;
}

.contact-button:hover {
    background-color: #005a9e;
}

.tab-content {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
}

.tab-content.active {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

.price-list {
    margin-top: 20px;
}

.price-list table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.price-list th, .price-list td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: left;
}

.price-list th {
    background-color: #0078d4;
    color: white;
}

.price-list tr:nth-child(even) {
    background-color: #f9f9f9;
}

.price-list tr:hover {
    background-color: #f1f1f1;
}

.note {
    margin-top: 20px;
    font-style: italic;
    color: #555;
}

.accessibility-icon {
    position: fixed;
    bottom: 90px;
    right: 20px;
    background-color: #0078d4;
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s;
    font-size: 24px;
}

.accessibility-icon:hover {
    transform: scale(1.1);
}

.accessibility-menu {
    position: fixed;
    bottom: 160px;
    right: 20px;
    background-color: white;
    border: 1px solid #ccc;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    padding: 10px;
    display: none;
    z-index: 1000;
}

.accessibility-menu button {
    display: block;
    width: 100%;
    background: none;
    border: none;
    color: #333;
    text-align: left;
    padding: 5px 10px;
    cursor: pointer;
}

.accessibility-menu button:hover {
    background-color: #f1f1f1;
}

.high-contrast {
    background-color: black;
    color: white;
}

.high-contrast .navbar {
    background-color: #000;
}

.high-contrast .content {
    background-color: #333;
    color: white;
}

.high-contrast .price-list th {
    background-color: #555;
}

.high-contrast .price-list tr:nth-child(even) {
    background-color: #444;
}

.high-contrast .price-list tr:hover {
    background-color: #666;
}

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

    .nav-links {
        display: none;
        flex-direction: column;
        background-color: #0078d4;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        padding: 10px 0;
        animation: slideDown 0.3s ease-out;
    }

    .nav-links.active {
        display: flex;
        animation: slideUp 0.3s ease-out;
    }

    .nav-links a {
        padding: 10px;
        text-align: center;
    }

    @keyframes slideDown {
        from {
            transform: translateY(-100%);
            opacity: 0;
        }
        to {
            transform: translateY(0);
            opacity: 1;
        }
    }

    @keyframes slideUp {
        from {
            transform: translateY(0);
            opacity: 1;
        }
        to {
            transform: translateY(-100%);
            opacity: 0;
        }
    }
}