.app-bg {
    background: radial-gradient(circle at 50% 0%, #2e1065 0%, #020617 60%);
    position: relative;
    overflow: hidden;
}

/* 2. Yüzen App İkonları */
.floating-icon {
    position: absolute;
    width: 60px; height: 60px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    animation: float-icon 6s ease-in-out infinite;
}
.icon-1 { top: 20%; left: 10%; animation-delay: 0s; background: linear-gradient(135deg, #ef4444, #b91c1c); }
.icon-2 { top: 60%; right: 15%; animation-delay: 1.5s; background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.icon-3 { bottom: 10%; left: 20%; animation-delay: 2.5s; background: linear-gradient(135deg, #10b981, #047857); }

@keyframes float-icon {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(10deg); }
}

/* 3. 3D Telefon Efekti (Tilt) */
.phone-mockup-container {
    perspective: 1000px;
}
.phone-mockup {
    width: 300px;
    height: 600px;
    background: #000;
    border-radius: 40px;
    border: 12px solid #334155;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: rotateY(-15deg) rotateX(10deg);
    transition: transform 0.5s ease;
    background-image: url('../yukleme/hizmetler/ios-android-uygulama.webp');
    background-size: cover;
    background-position: center;
}
.phone-mockup:hover {
    transform: rotateY(0) rotateX(0);
}

/* 4. Bildirim (Notification) Animasyonu */
.notification-pop {
    position: absolute;
    right: -80px;
    top: 20%;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 12px 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    width: 280px;
    animation: pop-in 4s infinite;
    z-index: 50;
}
@keyframes pop-in {
    0% { opacity: 0; transform: translateX(20px); }
    10% { opacity: 1; transform: translateX(0); }
    90% { opacity: 1; transform: translateX(0); }
    100% { opacity: 0; transform: translateY(-20px); }
}

/* 5. Tech Badge (React/Flutter) */
.tech-badge {
    transition: all 0.3s ease;
}
.tech-badge:hover {
    transform: scale(1.1);
    filter: brightness(1.2);
}