.main-menu {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            position: relative;
        }

        .main-menu > li {
            position: relative;
        }

        .main-menu > li > a {
            color: white;
            text-decoration: none;
            padding: 15px 20px;
            display: block;
            transition: all 0.3s ease;
            font-weight: 500;
        }

        .main-menu > li > a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        /* Submenús */
        .has-submenu {
            position: relative;
        }

        .has-submenu:hover .submenu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .submenu {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: white;
            min-width: 220px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            border-radius: 5px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            z-index: 1000;
            list-style: none;
            padding: 10px 0;
            margin: 0;
        }

        .submenu li {
            margin: 0;
        }

        .submenu a {
            color: #333;
            text-decoration: none;
            padding: 12px 20px;
            display: block;
            transition: all 0.3s ease;
            font-weight: 400;
        }

        .submenu a:hover {
            background-color: #f8f9fa;
            color: #b21f1f;
        }

        /* Flecha indicadora */
        .has-submenu > a .fa-chevron-down {
            font-size: 10px;
            margin-left: 5px;
            transition: transform 0.3s ease;
        }

        .has-submenu:hover > a .fa-chevron-down {
            transform: rotate(180deg);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .main-menu {
                flex-direction: column;
            }
            
            .submenu {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                background-color: transparent;
                display: none;
            }
            
            .has-submenu:hover .submenu {
                display: block;
            }
            
            .has-submenu > a .fa-chevron-down {
                float: right;
                margin-top: 5px;
            }
        }