:root{
    --card-bg: #ffffff;
    --text: #173a59;         /* donker blauw zoals in je screenshot */
    --muted: #3c6a8f;
    --accent: #d8892c;       /* oranje accent */
    --shadow: 0 10px 30px rgba(0,0,0,.12);
    --max: 1120px;
}

*{ box-sizing: border-box; }
html,body{ height: 100%; }
body{
    margin: 0;
    font-family: Georgia, "Times New Roman", Times, serif;
    color: var(--text);
    background: #f4f6f8;
}

.error-hero{
    width: 100%;
    height: 340px;
    overflow: hidden;
    background: #111;
}
.error-hero__img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.error-card-wrap{
    position: relative;
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 24px 64px;
}

.error-card{
    position: relative;
    margin-top: -78px;       /* overlay op de foto */
    background: var(--card-bg);
    box-shadow: var(--shadow);
    padding: 32px 36px 34px;
}

.error-card__accent{
    width: 22px;
    height: 2px;
    background: var(--accent);
    margin-bottom: 18px;
}

.error-card__title{
    font-size: 40px;
    line-height: 1.05;
    margin: 0 0 16px;
    font-weight: 700;
    letter-spacing: .2px;
}

.error-card__subtitle{
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--muted);
}

@media (max-width: 640px){
    .error-hero{ height: 240px; }
    .error-card{ padding: 24px; margin-top: -56px; }
    .error-card__title{ font-size: 32px; }
}