html, body {
    height: 100dvh;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: #000000;
    color: #888888;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-page {
    text-align: center;
    padding: 2rem;
    max-width: 500px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
}

.error-code {
    font-size: clamp(6rem, 15vw, 10rem);
    font-weight: 800;
    color: #666666;
    line-height: 1;
    display: block;
}

.error-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: #aaaaaa;
    margin: 1rem 0 0.5rem;
}

.error-description {
    font-size: 1.1rem;
    color: #666666;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.unsubscribe-logo {
    display: block;
    width: 200px;
    height: auto;
    margin: 0 auto 2rem;
    border: 0;
    outline: none;
}

.unsubscribe-message {
    font-size: 2rem;
    font-weight: 700;
    color: #aaaaaa;
    line-height: 1.4;
    margin-bottom: 2rem;
}

.error-btn {
    display: inline-block;
    padding: 12px 30px;
    font-weight: 700;
    color: #aaaaaa;
    border: 2px solid #555555;
    border-radius: 0;
    text-decoration: none;
    transition: 0.2s ease;
}

.error-btn:hover {
    color: #cccccc;
    border-color: #888888;
}