/* =========================================
   HEADER — Caja flotante redondeada
   ========================================= */

.header {
    position: fixed;
    top: 20px;
    /* Alineado con el borde izquierdo de .inicio (bloque centrado de 1080px máx.) */
    left: max(20px, calc((100% - 1080px) / 2));
    z-index: 100;
}

@media (max-width: 800px) {
    .header {
        left: 16px;
    }
}

/* ── Caja flotante ─────────────────────── */

.header__caja {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    background-color: var(--cabecera-background);
    border: 1px solid var(--color-borde);
    border-radius: 20px;
    box-shadow: 0 8px 32px var(--color-sombra);
    overflow: hidden;
    transition: border-radius 0.5s ease;
}

.header__caja--open {
    border-radius: 20px;
}

/* ── Barra siempre visible ─────────────── */

.header__barra {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 10px 16px;
    flex-shrink: 0;
}

/* ── Logo ──────────────────────────────── */

.header__logo {
    flex: 0 0 auto;
}

.header__logo img,
.header__logo a {
    max-height: 40px;
    width: auto;
    display: block;
    text-decoration: none;
    color: var(--color-primario);
    font-family: var(--tipografia-titulos);
    font-weight: 700;
    font-size: 1rem;
    white-space: nowrap;
    line-height: 1;
}

/* ── Nombre del sitio ──────────────────── */

.header__nombre {
    font-family: var(--tipografia-titulos);
    font-size: 1.25rem;
    color: var(--color-primario);
    text-decoration: none;
    text-transform: lowercase;
    line-height: 1;
    white-space: nowrap;
}

.header__nombre:hover {
    text-decoration: none;
}

/* ── Burger ────────────────────────────── */

.header__burger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 22px;
    height: 16px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}

.header__burger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-primario);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.header__burger--active .header__burger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header__burger--active .header__burger-line:nth-child(2) {
    opacity: 0;
}

.header__burger--active .header__burger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Nav — expande hacia abajo (desktop y móvil) ── */

.header__nav {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.9s cubic-bezier(0.65, 0, 0.35, 1);
}

.header__caja--open .header__nav {
    max-height: 400px;
}

.header__links {
    list-style: none;
    margin: 0;
    padding: 0 16px 12px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    white-space: normal;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.7s ease 0.25s, transform 0.7s ease 0.25s;
}

.header__caja--open .header__links {
    opacity: 1;
    transform: translateY(0);
}

.header__links .menu-item > a {
    display: block;
    padding: 10px 4px;
    font-family: var(--tipografia-base);
    font-size: 16px;
    font-weight: 400;
    color: var(--menu-color);
    text-decoration: none;
    letter-spacing: 0.05em;
    border-radius: 0;
    transition: color 0.2s ease, background-color 0.2s ease;
    white-space: normal;
}

.header__links .menu-item > a:hover {
    color: var(--menu-color-hover);
    background-color: rgba(0, 0, 0, 0.05);
}

/* Ítem activo — categoría que se está visitando */
.header__links .current-menu-item > a {
    color: var(--menu-color-hover);
    font-weight: 600;
}

/* =========================================
   NAV EXTRAS — INICIO
   Reversible: borrar desde aquí hasta «NAV EXTRAS — FIN»
   ========================================= */

/* El menú crece: más margen de despliegue */
.header__caja--open .header__nav {
    max-height: 600px;
}

.nav-extras {
    /* Sin padding lateral: así la línea mide el 60 % del ancho de la caja */
    padding: 0 0 14px;
    text-align: center;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.7s ease 0.25s, transform 0.7s ease 0.25s;
}

.header__caja--open .nav-extras {
    opacity: 1;
    transform: translateY(0);
}

/* ── Línea separadora ──────────────────── */

.nav-extras__linea {
    width: 60%;
    height: 0;
    margin: 4px auto 14px;
    border: 0;
    border-top: 1px solid #444444;
}

/* ── Redes sociales ────────────────────── */

.nav-extras__redes {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 18px;
    margin: 0 0 10px;
    padding: 0;
    list-style: none;
}

.nav-extras__red {
    display: inline-flex;
    color: var(--color-primario);
    transition: opacity 0.2s ease;
}

.nav-extras__red:hover,
.nav-extras__red:focus-visible {
    opacity: 0.6;
}

.nav-extras__icono {
    display: block;
    width: 22px;
    height: 22px;
}

/* ── Correo ────────────────────────────── */

.nav-extras__mail {
    display: inline-block;
    padding: 0 16px;
    font-family: var(--tipografia-base);
    font-size: 13px;
    letter-spacing: 0.03em;
    color: var(--menu-color);
    text-decoration: none;
    white-space: nowrap;
}

.nav-extras__mail:hover,
.nav-extras__mail:focus-visible {
    color: var(--menu-color-hover);
    text-decoration: underline;
}

/* =========================================
   NAV EXTRAS — FIN
   ========================================= */