/* ── Header (flex with back button) ── */
header {
    padding: 20px 0 28px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 18px;
    position: relative;
}

header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 5%;
    right: 5%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-border), var(--violet-border), var(--gold-border), transparent);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    font-family: 'Inconsolata', monospace;
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.25s;
    flex-shrink: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.back-link:hover {
    background: var(--bg-hover);
    color: var(--gold);
    border-color: var(--gold-border);
    box-shadow: 0 0 12px var(--gold-glow);
}

.back-link svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
    transition: transform 0.2s;
}

.back-link:hover svg {
    transform: translateX(-3px);
}

header h1 {
    font-family: 'Cinzel', 'Bitter', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

header h1 span {
    color: var(--gold);
    text-shadow: 0 0 20px var(--gold-glow);
}

/* ── Markdown body overrides ── */
.markdown-body {
    padding-bottom: 80px;
}

/* ── Responsive ── */
@media (max-width: 600px) {
    header { padding: 12px 0 20px; flex-wrap: wrap; }
    header h1 { font-size: 1.2rem; }
}