body {
    background-color: #08090c;
    color: #f3f4f6;
    overflow-x: hidden;
}
.cyber-panel {
    position: relative;
    border: 1px solid #1f2937;
    background-color: #0f111a;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.cyber-panel:hover {
    border-color: #00f0ff;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
    transform: translateY(-2px);
}
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #08090c;
}
::-webkit-scrollbar-thumb {
    background: #00f0ff;
    border-radius: 0px;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.marquee-track {
    animation: marquee 50s linear infinite;
    width: fit-content;
}
.marquee-track:hover {
    animation-play-state: paused;
}
#scrollTopBtn {
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
}
#scrollTopBtn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.scanlines {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
    background-size: 100% 4px;
    z-index: 999;
    opacity: 0.3;
}
.lang-btn {
    transition: all 0.3s ease;
}
.lang-btn.active {
    background-color: #00f0ff;
    color: black;
    border-color: #00f0ff;
}