.bg-modern-navy::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.05;
    pointer-events: none;
}

/* Khối thẻ Premium */
.hover-card-premium {
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
    transform: translateY(0);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1), background 0.8s ease, box-shadow 0.8s ease !important;
}

.hover-card-premium:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08) !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(255, 255, 255, 0.05);
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1), background 0.8s ease, box-shadow 0.8s ease !important;
}

/* Icon Box Animation */
.icon-box-premium {
    width: 90px;
    height: 90px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    /* Hiệu ứng nảy (bounce) */
}

.hover-card-premium:hover .icon-box-premium {
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.15) rotate(10deg);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.15);
}

/* Core Icon */
.core-icon {
    transition: all 0.4s ease;
}

.hover-card-premium:hover .core-icon {
    transform: scale(1.1) rotate(-10deg);
    /* Ngược chiều với vòng ngoài tạo hiệu ứng động cơ */
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.8);
}

/* Title Hover */
.title-hover {
    transition: color 0.3s ease;
}

.hover-card-premium:hover .title-hover {
    color: #ffffff !important;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* Hiệu ứng Phát sáng góc (Glow Effect) */
.card-glow-effect {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 0;
}

.hover-card-premium:hover .card-glow-effect {
    opacity: 1;
    transform: scale(1.5) translate(-20px, 20px);
}