/* Gradient mesh di sfondo */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 0%   0%,   rgba(245, 195, 16, 0.22) 0%, transparent 65%),
        radial-gradient(ellipse 60% 70% at 100% 100%, rgba(41,  184, 240, 0.16) 0%, transparent 65%),
        radial-gradient(ellipse 60% 70% at 0%   100%, rgba(41,  184, 240, 0.12) 0%, transparent 65%),
        radial-gradient(ellipse 50% 50% at 55%  48%,  rgba(245, 120, 16, 0.08) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

/* Ellisse centrale pulsante — effetto cassa stereo irregolare */
body::after {
    content: "";
    position: fixed;
    top: 50%; left: 50%;
    width: 70vw; height: 60vh;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse, rgba(245, 160, 16, 0.16) 0%, transparent 65%);
    z-index: -1;
    pointer-events: none;
    animation: pulse-beat 2.8s ease-in-out infinite;
}

@keyframes pulse-beat {
    0%   { opacity: 0.6; transform: translate(-50%, -50%) scale(1.00); }
    8%   { opacity: 1.0; transform: translate(-50%, -50%) scale(1.12); }
    15%  { opacity: 0.7; transform: translate(-50%, -50%) scale(1.04); }
    22%  { opacity: 1.0; transform: translate(-50%, -50%) scale(1.15); }
    35%  { opacity: 0.5; transform: translate(-50%, -50%) scale(0.95); }
    55%  { opacity: 0.6; transform: translate(-50%, -50%) scale(1.00); }
    70%  { opacity: 0.9; transform: translate(-50%, -50%) scale(1.08); }
    78%  { opacity: 0.6; transform: translate(-50%, -50%) scale(1.02); }
    100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1.00); }
}

/* Cubi smussati — solo angoli superiori */
#bg-cubes {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    z-index: 0;
    pointer-events: none;
}

.bg-cube { position: absolute; border-radius: 22%; }

.bg-cube-1 {
    width: 220px; height: 220px;
    top: -60px; left: -60px;
    background: linear-gradient(135deg, #f5c310, #e8920a);
    transform: rotate(15deg);
    box-shadow: 0 0 120px 80px rgba(245, 195, 16, 0.25);
}

.bg-cube-2 {
    width: 180px; height: 180px;
    top: -40px; right: -40px;
    background: linear-gradient(135deg, #ff8c42, #e85d04);
    transform: rotate(-20deg);
    box-shadow: 0 0 100px 70px rgba(232, 93, 4, 0.22);
}