.network-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(147, 51, 234, 0.08) 0%, transparent 25%);
    z-index: 0;
}
.grid-lines {
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
}

/* 2. Premium Kart Efekti (Border Glow) */
.corporate-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}
.corporate-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 0;
    background: #2563eb;
    transition: height 0.4s ease;
}
.corporate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -10px rgba(30, 41, 59, 0.1);
}
.corporate-card:hover::before {
    height: 100%;
}

/* 3. İkon Kutusu Animasyonu */
.icon-box {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.corporate-card:hover .icon-box {
    background: #2563eb;
    color: white;
    transform: scale(1.1) rotate(3deg);
}

/* 4. Dönen Çember (Prestij Rozeti) */
.spin-text { animation: spin-slow 15s linear infinite; }
@keyframes spin-slow { 100% { transform: rotate(360deg); } }