public static function route(string $name) {
    $base = self::$_instance->getBasePath();
    $alias = self::$_instance->getAliases();

    $method = self::$_instance->_request->server('requestMethod');

    if( isset($alias[$name]) && $alias[$name][$method] ) {
        $route = $alias[$name];
        return $base . $route[$method]['uri'];
    }
    return ("Route {$name} not defined.");
}

<nav class="navbar navbar-expand-md navbar-light bg-light fixed-top" style="box-shadow: 0px 0px 2px #ccc;background: #fdfdfd!important;">
    <ul class="navbar-nav mr-auto">
        <a class="nav-link" href="<?= Router::route('home') ?>">Home</a>
        <a class="nav-link" href="<?= Router::route('site.about') ?>">About</a>
        <a class="nav-link" href="<?= Router::route('site.contact') ?>">Contact</a>
    </ul>
    <ul class="navbar-nav ml-auto">
        <?php if(Router::has('auth.login')) { ?>
            <?php if(Capsule::app()->user()->isAuth()) { ?>
                    <a class="nav-link" href="/home">Home</a>
                <?php } else { ?>
                    <a class="nav-link" href="<?= Router::route('auth.login') ?>">Login</a>
                    <a class="nav-link" href="<?= Router::route('auth.register') ?>">Register</a>
                <?php } ?>
        <?php } ?>
    </ul>
</nav>