body {
    font-family: 'Montserrat', sans-serif;
    background-color: #1a1a1a;
    color: #fff;
    line-height: 1.6;
}
.navbar {
    background-color: #850000;
    padding: 15px 0;
}
.navbar-brand, .nav-link {
    font-weight: 500;
}
.hero-section {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    text-align: center;
}
.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 20px;
}
#section_description {
    padding: 50px 0;
    max-width: 1120px;
    margin-left: auto;
    margin-right: auto;
}
.section-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
}
.section-content p {
    font-size: 1.1rem;
    margin-bottom: 20px;
}
.section-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 35px;
    margin-bottom: 15px;
}
.table {
    margin: 25px 0;
    font-size: 1.1rem;
    border-spacing: 0;
}
.table th, .table td {
    padding: 15px;
    vertical-align: middle;
}
hr {
    margin: 30px 0;
    border-color: #555;
}
.btn-custom {
    background-color: #850000;
    color: #fff;
    border-radius: 25px;
    padding: 10px 30px;
    transition: background-color 0.3s;
}
.btn-custom:hover {
    background-color: #dd9933;
    color: #fff;
}
.dropdown button {
    border: none;
    background: none;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1.5px;
    font-weight: 500;
}
.dropdown .dropdown-menu {
    margin-top: 0;
    background: #1a1a1a;
    color: white;
}
.dropdown:hover .dropdown-menu {
    display: block;
    background: #1a1a1a;
}
.dropdown-item {
    color: white;
    font-weight: 400;
}
.dropdown-item:hover {
    background-color: #333;
    color: #dd9933;
}
#lienhe {
    padding: 50px 0;
}
#lienhe h5 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
}
#lienhe p {
    font-size: 1rem;
    margin-bottom: 15px;
}
.footer {
    background-color: #333333;
    padding: 5px 0;
    font-size: 0.9rem;
}
/* Chat Button Styles */
.chat-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: #850000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
}
.chat-button:hover {
    background-color: #dd9933;
    transform: scale(1.1);
}
.chat-button i {
    font-size: 24px;
    color: white;
}
/* Popup Chat Styles */
.chat-popup {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 250px;
    background-color: #1a1a1a;
    border: 1px solid #850000;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    display: none;
    z-index: 1000;
}
.chat-header {
    background-color: #850000;
    color: white;
    padding: 10px;
    border-radius: 10px 10px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.chat-header span {
    font-size: 14px;
    font-weight: bold;
}
.close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
}
.chat-body {
    padding: 10px;
}
.chat-option {
    display: flex;
    align-items: center;
    padding: 10px;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}
.chat-option:hover {
    background-color: #333333;
    border-radius: 5px;
    color: #dd9933;
}
.chat-option i {
    margin-right: 10px;
    font-size: 20px;
}
.table-transparent {
--bs-table-bg: transparent;
--bs-table-color: white;
--bs-table-border-color: rgba(99, 94, 94, 0.603);
background-color: transparent !important;
}

.table-transparent thead {
--bs-table-bg: rgba(0, 0, 0, 0.404);
}

.table-transparent tbody tr {
--bs-table-bg: rgba(0, 0, 0, 0.329);
}