body { 
    transition: background-color 0.3s ease, color 0.3s ease; 
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #581845; border-radius: 4px; }
.dark ::-webkit-scrollbar-thumb { background: #900c3f; }

.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal-up.active {
    opacity: 1;
    transform: translateY(0);
}
.delay-100 { transition-delay: 100ms; }
.delay-150 { transition-delay: 150ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }

.btn-glow {
    position: relative;
}
.btn-glow::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: linear-gradient(45deg, #0000ee, #900c3f, #d4af37);
    z-index: -1;
    border-radius: 9999px;
    filter: blur(8px);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.btn-glow:hover::before { opacity: 0.8; }

.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}
html:not(.dark) .glass-card {
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    pointer-events: none;
}

@keyframes scrollCatalog {
    0% { transform: translateY(0); }
    50% { transform: translateY(-40px); }
    100% { transform: translateY(0); }
}
.animate-catalog {
    animation: scrollCatalog 8s ease-in-out infinite;
}
.group:hover .animate-catalog {
    animation-play-state: paused;
}

.blue-logo-text {
    -webkit-text-stroke: 1.5px #d4af37;
    text-shadow: 0 0 15px rgba(212, 175, 55, 0.35);
    letter-spacing: 0.18em;
    font-family: system-ui, -apple-system, sans-serif;
}