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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url('https://biastore.it/cdn/shop/articles/decorazioni-natalizie-5-tendenze-per-il-natale-2020-173804_829292e3-2d8c-44bd-a943-b01ed56b0f31.jpg?v=1619819398&width=1600') no-repeat center center/cover;
    position: relative;
    color: #ffffff;
    overflow: hidden;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

/* Header e Logo in alto a sinistra */
.site-header {
    position: absolute;
    top: 25px;
    left: 30px;
    z-index: 3;
}

.logo {
    height: 55px;
    width: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.container {
    position: relative;
    z-index: 2;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 35px;
}

/* Pulsanti del Network */
.network-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    max-width: 800px;
}

.btn {
    background-color: rgba(0, 0, 0, 0.55);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 10px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.btn:hover {
    background-color: #ffffff;
    color: #000000;
    border-color: #ffffff;
    transform: translateY(-2px);
}

.btn-phone {
    background-color: rgba(212, 36, 36, 0.7);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-phone:hover {
    background-color: #e63946;
    color: #ffffff;
}

/* Countdown */
.countdown {
    display: flex;
    gap: 50px;
}

.box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.box span {
    font-size: 5rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
}

.box p {
    font-size: 0.85rem;
    letter-spacing: 4px;
    margin-top: 8px;
    font-weight: 600;
    opacity: 0.85;
}

/* Social Sidebar */
.social-sidebar {
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 2;
}

.social-sidebar a {
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-sidebar a:hover {
    background-color: #ffffff;
    color: #000000;
    border-color: #ffffff;
}

/* Responsive per smartphone */
@media (max-width: 768px) {
    .site-header {
        top: 15px;
        left: 15px;
    }
    .logo {
        height: 40px;
    }
    .network-buttons {
        gap: 8px;
        padding: 0 15px;
        margin-top: 20px;
    }
    .btn {
        font-size: 0.7rem;
        padding: 8px 14px;
    }
    .countdown {
        gap: 15px;
    }
    .box span {
        font-size: 2.5rem;
    }
    .box p {
        font-size: 0.55rem;
        letter-spacing: 1px;
    }
    .social-sidebar {
        right: 10px;
    }
}