/* ================================================================
   NAVIGATION — Menú principal (desktop + móvil) con dropdown
   ================================================================ */

.site-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 85vw);
    height: 100vh;
    background-color: var(--color-bg-alt);
    border-left: 1px solid var(--color-border);
    padding: var(--space-4xl) var(--space-xl) var(--space-xl);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 105;
}

.site-nav--open {
    transform: translateX(0);
}

@media (min-width: 1024px) {
    .site-nav {
        position: static;
        width: auto;
        height: auto;
        background: none;
        border: none;
        padding: 0;
        overflow: visible;
        transform: none;
    }
}

.site-nav__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

@media (min-width: 1024px) {
    .site-nav__list {
        flex-direction: row;
        align-items: center;
        gap: var(--space-xl);
    }
}

.site-nav__item {
    position: relative;
}

.site-nav__link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-text);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
    color: var(--color-primary);
}

.site-nav__link[aria-current="page"] {
    color: var(--color-primary);
}

.site-nav__link-group {
    display: flex;
    align-items: center;
    gap: 2px;
}

.site-nav__caret-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xs);
    color: var(--color-text);
}

.site-nav__caret-toggle:hover {
    color: var(--color-primary);
}

.site-nav__caret {
    width: 10px;
    height: 10px;
    transition: transform var(--transition-fast);
}

.site-nav__item--dropdown[data-open="true"] .site-nav__caret {
    transform: rotate(180deg);
}

/* Submenú Servicios */
.site-nav__submenu {
    display: none;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-md);
    padding-left: var(--space-md);
    border-left: 1px solid var(--color-border);
}

.site-nav__item--dropdown[data-open="true"] .site-nav__submenu {
    display: flex;
}

@media (min-width: 1024px) {
    .site-nav__submenu {
        display: none;
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        margin-top: 0;
        padding: var(--space-lg) var(--space-md) var(--space-md);
        min-width: 220px;
        background-color: var(--color-bg-elevated);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
    }

    .site-nav__item--dropdown:hover .site-nav__submenu,
    .site-nav__item--dropdown:focus-within .site-nav__submenu {
        display: flex;
    }

    .site-nav__item--dropdown:hover .site-nav__caret,
    .site-nav__item--dropdown:focus-within .site-nav__caret {
        transform: rotate(180deg);
    }
}

.site-nav__sublink {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    padding: var(--space-xs) 0;
}

@media (min-width: 1024px) {
    .site-nav__sublink {
        padding: var(--space-xs) var(--space-sm);
        border-radius: var(--radius-sm);
    }

    .site-nav__sublink:hover {
        background-color: var(--color-bg-alt);
        color: var(--color-primary);
    }
}

.site-nav__sublink:hover {
    color: var(--color-primary);
}

/* Overlay detrás del menú móvil */
.site-nav-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-slow);
    z-index: 104;
}

.site-nav-overlay--visible {
    opacity: 1;
    pointer-events: auto;
}

@media (min-width: 1024px) {
    .site-nav-overlay {
        display: none;
    }
}