Moved site to https. New created pages should be available on http? Or will they only be available via https?

Question

htaccess

The problem is that I have some pages, if they are opened via http, they go to 404. And everything is fine with https.

Bitrix site.
Here is htaccess:

spoiler

Options -Indexes 
ErrorDocument 404 /404.php

RewriteEngine on
RewriteCond %{HTTPS} !=on
RewriteRule ^(.*)$ https://%{HTTP_HOST}/$1 [R=301,L]

RewriteCond %{HTTP_HOST} ^www\.(.+) [NC]
RewriteRule .* http://%1/$0 [L,R=301]
RewriteRule ^landscaping/$ /katalog/ [L,R=301]

<IfModule mod_php5.c>
php_flag session.use_trans_sid off
#php_value display_errors 1
#php_value mbstring.internal_encoding UTF-8
</IfModule>

<IfModule mod_rewrite.c>
Options +FollowSymLinks
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-l
RewriteCond %{REQUEST_FILENAME} !-d

RewriteRule .* - [E=REMOTE_USER:%{HTTP:Authorization}]
</IfModule>

<IfModule mod_dir.c>
DirectoryIndex index.php index.html
</IfModule>

<IfModule mod_expires.c>
ExpiresActive on
ExpiresByType image/jpeg "access plus 3 day"
ExpiresByType image/gif "access plus 3 day"
ExpiresByType image/png "access plus 3 day"
ExpiresByType text/css "access plus 3 day"
ExpiresByType application/javascript "access plus 3 day" 
</IfModule>

Answer 1

It was in the cache, which is very strange for me! The browser caches 301.

Answer 2

If the site is changed to https, then all pages must be accessed via https. Why do you need duplicates?
RewriteRule .* http://%1/$0 [L,R=301] - change to https here.
and give at least 1 example of a page that gives 404 to look in more detail