:root {
     --azul-oscuro: #0B1F2E;
     --azul-medio: #1E5FA8;
     --azul-brillante: #2FA4E7;
     --azul-claro: #6EC1E4;
     --gris: #6B7280;
}

/* --- Estructura Principal --- */
.ls-nav {
     background: var(--azul-oscuro);
     display: flex;
     align-items: center;
     justify-content: space-between;
     padding: 8px 5%;
     position: sticky;
     top: 0;
     z-index: 1000;
     box-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

.ls-nav .ls-logo {
     display: flex;
     align-items: center;
     gap: 10px;
     text-decoration: none;
}

.ls-nav .ls-logo img {
     height: 48px;
     width: 48px;
     object-fit: contain;
     filter: drop-shadow(0 0 6px rgba(47,164,231,0.4));
}

.ls-nav .ls-logo span {
     color: white;
     font-weight: 700;
     font-size: 1.05rem;
     letter-spacing: 1px;
     line-height: 1.2;
}

.ls-nav .ls-logo span em {
     color: var(--azul-brillante);
     font-style: normal;
}

/* --- Menú Desktop --- */
.ls-nav .ls-menu {
     display: flex;
     align-items: center;
     gap: 2px;
}

.ls-nav .ls-menu a {
     color: #b0c4d8;
     text-decoration: none;
     font-weight: 600;
     font-size: 0.78rem;
     padding: 7px 11px;
     border-radius: 6px;
     letter-spacing: 0.4px;
     transition: background 0.2s, color 0.2s;
     text-transform: uppercase;
}

.ls-nav .ls-menu a:hover {
     background: rgba(47, 164, 231, 0.15);
     color: var(--azul-brillante);
}

.ls-nav .ls-menu a.ls-active {
     background: var(--azul-medio);
     color: white;
}

.ls-nav .ls-menu a.ls-btn-login {
     background: var(--azul-medio);
     color: white;
     border-radius: 20px;
     padding: 7px 18px;
     margin-left: 6px;
}

.ls-nav .ls-menu a.ls-btn-login:hover {
     background: var(--azul-brillante);
}

/* --- Componentes Ocultos --- */
.ls-menu-checkbox {
    display: none;
}

.ls-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.ls-hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--azul-claro);
    border-radius: 2px;
    transition: 0.3s;
}

/* --- Responsive: Móvil y Tablets --- */
@media (max-width: 1024px) {
    .ls-hamburger {
        display: flex;
    }

    .ls-nav .ls-menu {
        display: none; /* Se oculta inicialmente */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--azul-oscuro);
        flex-direction: column;
        padding: 20px 0;
        gap: 5px;
        box-shadow: 0 10px 15px rgba(0,0,0,0.4);
        border-top: 1px solid rgba(255,255,255,0.05);
    }

    /* Mostrar al activar checkbox */
    #ls-menu-toggle:checked ~ .ls-menu {
        display: flex;
    }

    .ls-nav .ls-menu a {
        width: 90%;
        text-align: center;
        padding: 15px;
        font-size: 0.85rem;
    }

    .ls-nav .ls-menu a.ls-btn-login {
        margin-left: 0;
        margin-top: 10px;
    }

    /* Animación Hamburguesa a X */
    #ls-menu-toggle:checked ~ .ls-hamburger span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    #ls-menu-toggle:checked ~ .ls-hamburger span:nth-child(2) {
        opacity: 0;
    }
    #ls-menu-toggle:checked ~ .ls-hamburger span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

/* --- Footer & Otros --- */
.ls-footer {
     background: var(--azul-oscuro);
     color: #6b8299;
     text-align: center;
     padding: 16px;
     font-size: 0.78rem;
     margin-top: auto;
}

.ls-footer span {
     color: var(--azul-brillante);
     font-weight: 700;
}

.ls-username {
     color: #fff;
     font-size: 0.85rem;
     opacity: 0.75;
     padding: 0 4px;
}