.error-hero {
    border-radius: 1.25rem;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.10);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}
.error-pill {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .25rem .75rem;
    border-radius: 999px;
    font-size: .8rem;
    background: rgba(255, 193, 7, 0.12);
    color: #f59e0b;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
}
.error-code {
    font-size: clamp(3rem, 8vw, 4.5rem);
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
    background: linear-gradient(135deg, #f97316, #facc15);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: .5rem;
}
.error-subtitle {
    font-weight: 600;
    font-size: 1.1rem;
}
.error-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
}
.error-illustration {
    width: 140px;
    height: 140px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 30%, #facc15, #f97316);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 18px 40px rgba(249, 115, 22, 0.4);
}
.error-illustration i {
    font-size: 3.2rem;
}
.error-tip {
    font-size: .9rem;
}