.container {
    width: min(var(--container), calc(100% - 48px));
    margin-inline: auto;
}

.page-shell {
    min-height: 60vh;
    padding: 170px 0 90px;
    background: var(--paper-warm);
}
.page-shell__inner { max-width: 980px; }
.content-card {
    padding: clamp(28px, 5vw, 64px);
    border: 1px solid rgba(17, 17, 17, .08);
    border-radius: var(--radius-lg);
    background: var(--paper);
    box-shadow: var(--shadow-sm);
}
.content-card h1 { font-size: clamp(40px, 7vw, 72px); }
.content-card--center { text-align: center; }
.error-code {
    color: var(--brand);
    font-family: var(--font-display);
    font-size: clamp(80px, 15vw, 160px);
    font-weight: 800;
    line-height: .8;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0;
    margin-bottom: 18px;
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.eyebrow > span { display: none; }