/* ==========================================================================
   MÓDULO: CABECERA, LOGO PREMIUM Y NAVEGACIÓN (OPTIMIZADO MÓVIL)
   ========================================================================== */
.main-header {
    margin-bottom: 20px;
    text-align: center;
    width: 100%;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    position: relative;
    top: 0;
    z-index: 1000;
}

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin: 0 auto;
    isolation: isolate;
}

.logo-link {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    flex-direction: column;
    gap: 5px;
}

.logo-badge {
    width: clamp(75px, 15vw, 120px);
    aspect-ratio: 1 / 1;
    object-fit: contain;
    margin: 0 auto;
    display: block;
    transition: all 0.3s ease;
}

.logo-title {
    font-family: 'Playfair Display', serif;
    color: var(--gold-premium) !important;
    text-transform: uppercase;
    text-align: center;
    font-weight: 500;
    line-height: 1.1;
    margin: 0 auto;
    font-size: clamp(1.2rem, 4vw, 1.8rem);
    letter-spacing: clamp(1.5px, 0.5vw, 3px);
    white-space: normal;
    transition: all 0.3s ease;
}

.museum-divider {
    border: 0;
    border-top: 1px solid var(--line-museum);
    margin-top: 15px;
    margin-bottom: 15px;
    transition: opacity 0.3s ease;
}

.main-nav {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 400;
}

.nav-link:hover, .nav-link:focus { color: var(--gold-premium); }

.language-switcher {
    margin-top: 5px;
    display: flex;
    justify-content: center;
    gap: 12px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lang-link { color: var(--text-muted); text-decoration: none; }
.lang-link:hover { color: var(--gold-premium); }
.lang-active { color: var(--gold-premium); }


/* ==========================================================================
   🎯 ESTADO COMPRIMIDO (STICKY) AL HACER SCROLL
   ========================================================================== */

.main-header.sticky {
    position: sticky; /* CAMBIADO: Elimina el salto/rebote del scroll */
    top: 0;
    background-color: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line-museum);
    padding: 8px 16px;
    margin-bottom: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    z-index: 1000;
    will-change: transform;
}

/* Rediseño horizontal del bloque logo/título */
.main-header.sticky .logo-container {
    width: auto;
    margin: 0;
}

.main-header.sticky .logo-link {
    flex-direction: row !important;
    gap: 10px;
}

.main-header.sticky .logo-badge {
    width: 35px !important;
}

.main-header.sticky .logo-title {
    font-size: 1rem !important;
    letter-spacing: 1px;
}

.main-header.sticky .museum-divider {
    display: none;
}

.main-header.sticky .main-nav {
    margin-top: 0;
    flex-direction: row;
    gap: 15px;
    margin-left: auto;
}

.main-header.sticky .language-switcher {
    margin-top: 0;
}

@media (max-width: 600px) {
    .main-header.sticky {
        padding: 6px 10px;
    }
    .main-header.sticky .logo-title {
        display: none;
    }
    .main-header.sticky .nav-list {
        gap: 12px;
    }
    .main-header.sticky .nav-link {
        font-size: 0.75rem;
    }
}