:root {
    --primary-cyan: #00f2ff;
    --accent-glow: rgba(0, 242, 255, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.12);
    --font-ui: 'Inter', -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background: #000;
    font-family: var(--font-ui);
    color: white;
    height: 100vh;
    overflow: hidden;
}

/* Sfondo Immersivo */
.bg-container {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.35) contrast(1.1) blur(2px);
    transform: scale(1.1);
    animation: slowZoom 30s infinite alternate ease-in-out;
}

@keyframes slowZoom {
    from { transform: scale(1); }
    to { transform: scale(1.15); }
}

/* Header di Navigazione */
.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 60px;
    height: 100px;
}

.logo {
    font-size: 24px;
    font-weight: 200;
    letter-spacing: 6px;
    text-transform: uppercase;
}

.top-info {
    font-weight: 300;
    letter-spacing: 1px;
    opacity: 0.8;
}

/* Griglia Bento Dinamica */
.container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 280px); /* Ottimizzato per 2 righe */
    gap: 25px;
    padding: 0 60px 40px 60px;
    height: calc(100vh - 150px);
}

/* Base Card */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(35px);
    -webkit-backdrop-filter: blur(35px);
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    padding: 35px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

/* Effetto Luce al Passaggio */
.card::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    transition: 0.5s;
}

.card:hover::before { left: 100%; }

.card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--primary-cyan);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 20px var(--accent-glow);
    transform: translateY(-12px);
}

/* Gerarchia Griglia */
.card-main { grid-column: span 2; grid-row: span 2; } /* IPTV */
.card-wide { grid-column: span 2; }                /* Bridge */
.card-smart { grid-column: span 1; }               /* Clima/Luci */

/* Dettagli Interni */
.status-dot {
    width: 8px; height: 8px;
    background: var(--primary-cyan);
    border-radius: 50%;
    display: inline-block;
    margin-right: 10px;
    box-shadow: 0 0 12px var(--primary-cyan);
}

.big-val {
    font-size: 64px;
    font-weight: 100;
    line-height: 1;
}

.unit { font-size: 24px; opacity: 0.5; margin-left: 5px; }

.nav-data {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.data-item { text-align: center; }
.data-item span { font-size: 32px; font-weight: 600; display: block; }
.data-item small { color: var(--primary-cyan); letter-spacing: 2px; }

/* Responsive per Tablet */
@media (max-width: 1200px) {
    .container {
        grid-template-columns: repeat(2, 1fr);
        overflow-y: auto;
    }
    .card-main, .card-wide { grid-column: span 2; }
}

.nexus-footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 15px 0;
    background: rgba(0, 0, 0, 0.4); /* Sottile trasparenza */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    text-align: center;
    z-index: 1000;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.nexus-footer p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
    letter-spacing: 2px;
    margin: 0;
    text-transform: uppercase;
}

.nexus-footer strong {
    color: #00f2ff; /* Il tuo colore Cyan distintivo */
    font-weight: 800;
}