/* ── 11. HERO DEMO BOX POLISH ── */
#demo-before,
#demo-after {
    position: relative;
    overflow: hidden;
}
#demo-before::after,
#demo-after::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to top, var(--bg-black), transparent);
    pointer-events: none;
}
#demo-after::after {
    background: linear-gradient(to top, var(--surface), transparent);
}

.char-counter-wrap {
    position: relative;
    margin-top: 6px;
}
.char-counter-bar {
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 4px;
}
.char-counter-fill {
    height: 100%;
    background: var(--success, #00ff88);
    transition: width 0.15s ease, background 0.3s ease;
    border-radius: 2px;
    width: 0%;
}
.char-counter-fill.warn    { background: #ffaa00; }
.char-counter-fill.danger  { background: var(--error, #ff0040); }