gulpfile.js

var less = require('gulp-less');
var gulp = require('gulp');
var browserSync = require('browser-sync').create();
var ftp = require( 'vinyl-ftp' );
var gutil = require( 'gulp-util' );

gulp.task('less', function () {
    var conn = ftp.create( {
		host:     '*****.ru',
		user:     '*****',
		password: '******',
		parallel: 10,
		log:      gutil.log
	} );
    gulp.src('./less/style.less')
        .pipe(less())
        .pipe(gulp.dest('./css'))
        .pipe(conn.dest('www/****.site/themes/ladno/css/'))
        .pipe(browserSync.stream());
});

gulp.task('browser-sync', function() {
    browserSync.init({
        proxy: '****.site'
    });
    gulp.watch("less/**/*.less", ['less']);
    gulp.watch(['app/*.html']).on('change', browserSync.reload);
});

gulp.task('default', ['browser-sync']);