/* =================================
   Variables y Reseteo
   ================================= */
body.no-scroll {
    overflow: hidden;
}
/* Agrega un margen superior al body para que el header fijo no oculte el contenido */
body {
    padding-top: 70px; 
}

/* =================================
   Header Principal y Navegación Desktop
   ================================= */
.omtz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    z-index: 1001; 
}

.omtz-logo {
    font-weight: bold;
    font-size: 1.5rem;
    text-decoration: none;
    color: #333;
}

/* Menú horizontal para desktop */
.omtz-desktop-nav {
    display: block; /* Visible por defecto en desktop */
}

.omtz-desktop-menu-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 1.5rem;
}

.omtz-desktop-menu-list a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.omtz-desktop-menu-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--omtz-hamburger-color, #333);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

.omtz-desktop-menu-list a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* =================================
   Botón Hamburger (Móvil)
   ================================= */
.menu-toggle-btn {
    display: none; /* Oculto por defecto en desktop */
    width: var(--omtz-line-width, 28px);
    height: var(--omtz-line-separation, 22px); 
    justify-content: space-between;
    flex-direction: column;
    position: relative;
    cursor: pointer;
    background: none;
    border: none;
    transition: transform 0.3s ease-in-out;
}

.menu-toggle-btn:hover {
    transform: scale(1.1);
}

.menu-toggle-btn .line {
    display: block;
    width: 100%;
    height: var(--omtz-line-thickness, 3px); 
    background-color: var(--omtz-hamburger-color, #333); 
    border-radius: 2px;
    transition: transform 0.35s ease-in-out, opacity 0.35s ease-in-out, background-color 0.35s ease-in-out;
}

/* Animación a 'X' cuando el overlay está activo */
.menu-toggle-btn[aria-expanded="true"] {
    position: fixed; /* Lo fijamos para que no se mueva con el scroll */
    right: 2rem;
    top: 21px; /* (70px - 28px) / 2 aprox */
    z-index: 2002; /* Por encima del overlay */
}

.menu-toggle-btn[aria-expanded="true"] .line {
    background-color: #fff;
}

.menu-toggle-btn[aria-expanded="true"] .line:nth-child(1) {
    transform: translateY(var(--omtz-line-translate-y, 9.5px)) rotate(45deg);
}

.menu-toggle-btn[aria-expanded="true"] .line:nth-child(2) {
    opacity: 0;
}

.menu-toggle-btn[aria-expanded="true"] .line:nth-child(3) {
    transform: translateY(calc(-1 * var(--omtz-line-translate-y, 9.5px))) rotate(-45deg);
}

/* =================================
   Overlay de Navegación (Móvil)
   ================================= */
.main-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--omtz-overlay-bg, rgba(10, 10, 10, 0.98));
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px);
    transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease;
}

.main-nav-overlay.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-nav-container {
    position: relative;
    text-align: center;
}

/* Botón de cierre (ya no es necesario si el hamburger se transforma en 'X' y se queda fijo) */
.close-menu-btn {
   display: none;
}

/* Estilos de la lista de menú en el overlay */
.main-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.main-nav .menu-item a {
    color: #fff;
    font-size: var(--omtz-font-size, 24px);
    font-weight: 300;
    text-decoration: none;
}

/* =================================
   Media Query para Responsividad
   ================================= */
@media (max-width: 800px) {
    /* Ocultar menú de desktop */
    .omtz-desktop-nav {
        display: none;
    }
    
    /* Mostrar botón de hamburguesa */
    .menu-toggle-btn {
        display: flex;
    }

    /* Ajustar el header para móvil */
    .omtz-header {
        justify-content: space-between;
    }
}