/*
 * Los Altillos — Header / Navegación
 * Archivo: assets/header.css
 * Prefijo: lah-
 * Depende de: assets/main.css
 * v2 — fixes: chevron size, dropdown z-index, mobile visibility transition
 * ============================================================ */

/* HEADER BASE ─────────────────────────────────────────────── */
.lah-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: box-shadow var(--transition-fast), background var(--transition-fast);
    /* overflow: visible es crítico — permite que el dropdown se muestre fuera del header */
    overflow: visible;
}

/* Línea roja inferior */
.lah-header::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--color-accent) 20%,
        var(--color-accent-light) 50%,
        var(--color-accent) 80%,
        transparent 100%
    );
    pointer-events: none;
    z-index: 1;
}

.lah-header.is-scrolled { box-shadow: var(--shadow-sm); }

body { padding-top: var(--header-height); }

/* INNER GRID ──────────────────────────────────────────────── */
.lah-header__inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1.5rem;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    /* overflow visible para que el dropdown no quede clippeado */
    overflow: visible;
}

/* LOGO ────────────────────────────────────────────────────── */
.lah-logo {
    justify-self: start;
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}
.lah-logo__img {
    height: 40px;
    width: auto;
    display: block;
}
.lah-logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}
.lah-logo__name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-text);
    letter-spacing: -.01em;
}
.lah-logo__tagline {
    font-size: .625rem;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--color-text-subtle);
    margin-top: 1px;
}

/* NAV ─────────────────────────────────────────────────────── */
.lah-nav {
    justify-self: center;
    display: flex;
    align-items: center;
    /* overflow visible para que el dropdown escape el contenedor */
    overflow: visible;
}
.lah-nav__list {
    display: flex;
    align-items: center;
    gap: .25rem;
    list-style: none;
    margin: 0;
    padding: 0;
    overflow: visible;
}

/* Ítem nivel superior — ancla del dropdown */
.lah-nav__item {
    position: relative;
    overflow: visible;
}

/* ─── LINK Y TRIGGER (estilo unificado) ─────────────────────
 * main.css tiene svg { display: block } y button { background: none; border: none }
 * Acá reseteamos todo lo necesario para que .lah-nav__trigger
 * (que es un <button>) luzca exactamente igual a .lah-nav__link (que es un <a>)
 * ──────────────────────────────────────────────────────────── */
.lah-nav__link,
.lah-nav__trigger {
    display: inline-flex;  /* inline-flex para que no ocupe ancho completo */
    align-items: center;
    gap: .3rem;
    padding: .5rem .875rem;
    font-family: var(--font-body);
    font-size: .8125rem;
    font-weight: 600;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    position: relative;
    text-decoration: none;
    transition: color var(--transition-fast), background var(--transition-fast);
    /* Reset de botón */
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1.4;
    vertical-align: middle;
}
.lah-nav__link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: .875rem; right: .875rem;
    height: 2px;
    background: var(--color-accent);
    border-radius: 1px;
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}
.lah-nav__link:hover,
.lah-nav__trigger:hover {
    color: var(--color-text);
    background: var(--color-bg-secondary);
}
.lah-nav__link.is-active { color: var(--color-accent); }
.lah-nav__link.is-active::after { transform: scaleX(1); }

/* ─── CHEVRON ───────────────────────────────────────────────
 * main.css tiene: svg { display: block; max-width: 100% }
 * Eso hace que el SVG ocupe todo el ancho del contenedor.
 * Forzamos inline-block + dimensiones fijas para anularlo.
 * ──────────────────────────────────────────────────────────── */
.lah-chevron {
    display: inline-block !important; /* anula svg { display: block } de main.css */
    width: 12px !important;
    height: 12px !important;
    max-width: 12px !important;       /* anula svg { max-width: 100% } de main.css */
    flex-shrink: 0;
    transition: transform var(--transition-fast);
    vertical-align: middle;
}
.lah-nav__item.is-open > .lah-nav__link .lah-chevron,
.lah-nav__item.is-open > .lah-nav__trigger .lah-chevron {
    transform: rotate(180deg);
}

/* ─── DROPDOWN ──────────────────────────────────────────────
 * position: absolute relativo a .lah-nav__item { position: relative }
 * z-index: 1100 — por encima del header (z-index: 1000)
 * ──────────────────────────────────────────────────────────── */
.lah-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    min-width: 200px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    list-style: none;
    margin: 0;
    padding: .375rem;
    /* Oculto por defecto */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity var(--transition-fast),
        visibility var(--transition-fast),
        transform var(--transition-fast);
    z-index: 1100; /* mayor que el header (1000) */
}

/* Triángulo decorativo */
.lah-dropdown::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 8px;
    height: 8px;
    background: var(--color-bg);
    border-left: 1px solid var(--color-border);
    border-top: 1px solid var(--color-border);
}

/* Estado abierto */
.lah-nav__item.has-dropdown.is-open > .lah-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.lah-dropdown__item { list-style: none; }

.lah-dropdown__link {
    display: block;
    padding: .625rem 1rem;
    font-size: .8125rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: color var(--transition-fast), background var(--transition-fast);
    white-space: nowrap;
}
.lah-dropdown__link:hover,
.lah-dropdown__link.is-active {
    background: var(--color-bg-secondary);
    color: var(--color-accent);
}

/* ACCIONES ────────────────────────────────────────────────── */
.lah-header__actions {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: .25rem;
}

/* BOTÓN BUSCADOR ──────────────────────────────────────────── */
.lah-search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    transition: background var(--transition-fast), color var(--transition-fast);
    flex-shrink: 0;
}
.lah-search-btn:hover,
.lah-search-btn[aria-expanded="true"] {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}
.lah-search-btn svg {
    display: block;
    width: 18px;
    height: 18px;
}

/* HAMBURGER ───────────────────────────────────────────────── */
.lah-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 36px; height: 36px;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    transition: background var(--transition-fast);
}
.lah-hamburger:hover { background: var(--color-bg-secondary); }

.lah-hamburger__line {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: transform var(--transition-base), opacity var(--transition-fast);
}
.lah-hamburger.is-open .lah-hamburger__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.lah-hamburger.is-open .lah-hamburger__line:nth-child(2) { opacity: 0; }
.lah-hamburger.is-open .lah-hamburger__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* BARRA DE BÚSQUEDA ───────────────────────────────────────── */
.lah-search-bar {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    max-height: 0;
    /*
     * visibility con delay: se oculta DESPUÉS de la transición de max-height,
     * se muestra ANTES. Esto garantiza que el elemento sea visible durante
     * la animación de apertura y no visible cuando ya terminó de cerrarse.
     */
    visibility: hidden;
    transition: max-height .25s ease, visibility 0s .25s;
    z-index: 1099;
}
.lah-search-bar.is-open {
    max-height: 80px;
    visibility: visible;
    transition: max-height .25s ease, visibility 0s 0s;
}
.lah-search-bar__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: .875rem 2rem;
}
.lah-search-form {
    display: flex;
    align-items: center;
    gap: .75rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: .5rem 1rem;
    transition: border-color var(--transition-fast);
}
.lah-search-form:focus-within { border-color: var(--color-accent); }
.lah-search-form__icon {
    display: block;
    width: 16px; height: 16px;
    color: var(--color-text-subtle);
    flex-shrink: 0;
}
.lah-search-input {
    flex: 1;
    border: none;
    background: none;
    font-size: .9375rem;
    color: var(--color-text);
    outline: none;
    min-width: 0;
}
.lah-search-input::placeholder { color: var(--color-text-subtle); }
.lah-search-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px; height: 28px;
    border: none;
    background: var(--color-accent);
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
    transition: background var(--transition-fast);
}
.lah-search-submit:hover { background: var(--color-accent-light); }
.lah-search-submit svg {
    display: block;
    width: 13px; height: 13px;
    stroke: white;
}

/* ─── MENÚ MÓVIL ─────────────────────────────────────────────
 * FIX de visibility: igual que el buscador — delay para ocultar,
 * sin delay para mostrar. Esto hace que el menú sea visible
 * DURANTE la animación de apertura (max-height 0 → auto).
 * ──────────────────────────────────────────────────────────── */
.lah-mobile-menu {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    max-height: 0;
    visibility: hidden;
    transition: max-height .35s ease, visibility 0s .35s;
    z-index: 1098;
}
.lah-mobile-menu.is-open {
    max-height: 80vh;
    visibility: visible;
    overflow-y: auto;
    transition: max-height .35s ease, visibility 0s 0s;
}

.lah-mobile-menu__list {
    list-style: none;
    margin: 0;
    padding: .5rem 0;
}

/* Row: flex para link principal + botón chevron */
.lah-mobile-menu__row {
    display: flex;
    align-items: stretch;
}

/* Link y trigger mobile — estilo unificado */
.lah-mobile-menu__link,
.lah-mobile-menu__trigger {
    flex: 1;
    display: block;
    padding: .875rem 1.5rem;
    font-size: .9375rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
    /* Reset botón */
    background: none;
    border-top: none;
    border-right: none;
    border-bottom: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-body);
    line-height: 1.4;
}
.lah-mobile-menu__link:hover,
.lah-mobile-menu__trigger:hover {
    color: var(--color-accent);
    border-left-color: var(--color-accent);
    background: var(--color-bg-secondary);
}

/* Botón chevron toggle (para ítems con URL real + hijos) */
.lah-mobile-submenu__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    flex-shrink: 0;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text-subtle);
    border-radius: var(--radius-sm);
    margin: .25rem .5rem .25rem 0;
    transition: color var(--transition-fast), background var(--transition-fast);
}
.lah-mobile-submenu__toggle svg {
    display: block;
    width: 16px; height: 16px;
    transition: transform var(--transition-base);
}
.lah-mobile-submenu__toggle.is-open svg { transform: rotate(180deg); }
.lah-mobile-submenu__toggle:hover {
    color: var(--color-accent);
    background: var(--color-bg-secondary);
}

/* Sub-menú mobile colapsable */
.lah-mobile-submenu {
    list-style: none;
    margin: 0;
    padding: 0;
    background: var(--color-bg-secondary);
    overflow: hidden;
    max-height: 0;
    visibility: hidden;
    transition: max-height .3s ease, visibility 0s .3s;
}
.lah-mobile-submenu.is-open {
    max-height: 500px;
    visibility: visible;
    transition: max-height .3s ease, visibility 0s 0s;
}

.lah-mobile-submenu__link {
    display: block;
    padding: .75rem 1.5rem .75rem 2.5rem;
    font-size: .875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}
.lah-mobile-submenu__link:hover,
.lah-mobile-submenu__link.is-active {
    color: var(--color-accent);
    background: var(--color-bg-tertiary);
    border-left-color: var(--color-accent);
}

/* RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 900px) {
    .lah-header__inner { grid-template-columns: 1fr auto; }
    .lah-nav           { display: none; }
    .lah-hamburger     { display: flex; }
    .lah-logo__tagline { display: none; }
}

@media (max-width: 640px) {
    .lah-header__inner     { padding: 0 1.25rem; }
    .lah-search-bar__inner { padding: .875rem 1.25rem; }
}

/* WordPress a veces envuelve el <ul> en un <div> */
.lah-nav > div               { display: contents; }
.lah-mobile-menu > nav > div { display: contents; }