/* =========================================
   HEADER (Sin Blur - Transparencia Limpia Blanca)
   ========================================= */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    /* Fondo blanco al 50% */
    background-color: rgba(255, 255, 255, 0.455); 
    color: var(--text-primary);
}

#main-header.scrolled {
    background-color: #ffffff; /* Blanco Puro */
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

#main-header.mobile-open {
    background-color: #ffffff;
    opacity: 1;
}

#header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: padding 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

#main-header.scrolled #header-container {
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
}

.nav-link {
    transition: color 0.2s ease;
    cursor: pointer;
    color: #1a202c; /* Texto oscuro */
}

.nav-link:hover {
    color: var(--brand-glow);
}

.nav-separator {
    color: #334155;
}

/* Transición animada ultra-suave de subida para el Mega Menú de Servicios */
.group:hover .absolute {
    transform: translate(-50%, 0) scale(1);
    opacity: 1;
    visibility: visible;
}

/* Estado de reposo del Mega Menú con pequeño retraso de subida */
#nav-menu .absolute {
    transform: translate(-50%, 8px) scale(0.98);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s;
}

#mobile-nav {
    background-color: rgba(255, 255, 255, 0.98);
    border-top: 1px solid #f1f5f9;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
}

/* Efecto de borde dinámico para los enlaces del Mega Menú */
.group\/link {
    position: relative;
}