Error message loads even when all the fields are filled in!

<?php
if($_SERVER["REQUEST_METHOD"] == "POST") {
    $name = trim(filter_input(INPUT_POST, "name", SANITIZE_STRINGS));
    $email = trim(filter_input(INPUT_POST, "email", SANITIZE_EMAIL));
    $details = trim(filter_input(INPUT_POST, "name", SANITIZE_SPECIAL_CHARS));

    if($name == "" OR $email == "" OR $details = "") {
        echo "Please fill in the required fields: Name, Email and Details";
        exit;
    }

    if($_POST["spam"] != "") {
        echo "We don't appreciate spam bots!";
        exit;
    }

    header("location:suggest.php?status=thanks");
    exit;
}

$pageTitle = "Suggest a Media Item";
$section = "suggest";

include("inc/header.php"); ?>

<div class="section page">
    <div class="wrapper">
        <h1>Suggest a Media Item</h1>
        <?php
        if(isset($_GET["status"]) && $_GET["status"] == "thanks") {
            echo "<p>Thanks for the email! I&rsquo;ll check out your suggestion shortly!</p>";
        } else {
        ?>
        <p>If you think there is something I&rsquo;m missing, let me know! Complete the form to send me an email.</p>
        <form method="post" action="suggest.php">
            <table>
                <tr>
                    <th><label for="name">Name</label></th>
                    <td><input type="text" id="name" name="name" /></td>
                </tr>
                <tr>
                    <th><label for="email">Email</label></th>
                    <td><input type="email" id="email" name="email" /></td>
                </tr>
                <tr>
                    <th><label for="details" />Suggest Item Details</label></th>
                    <td><textarea name="details" id="details"></textarea></td>
                </tr>
                <tr style="display: none;">
                    <th><label for="spam" />Spam Check</label></th>
                    <td><textarea name="spam" id="spam"></textarea></td>
                    <p>Please leave this field blank. This way we detect spam bots</p>
                </tr>
            </table>
            <input type="submit" value="Send" />
        </form>
        <?php } ?>
    </div>
</div>

<?php include("inc/footer.php"); ?>