:root {
    --mouse-x: 50%;
    --mouse-y: 50%;
    --accent-glow: rgba(16, 185, 129, 0.05);
    --grid-light: rgba(0, 0, 0, 0.03);
    --grid-dark: rgba(255, 255, 255, 0.03);
    --glow-light: rgba(16, 185, 129, 0.03);
    --glow-dark: rgba(16, 185, 129, 0.01);
    --glow-radius: 50%;
}

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #F8F8F8;
    color: #000000;
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
    transition: background-color 0.1s ease, color 0.1s ease;
}

.dark body {
    background-color: #000000;
    color: #FFFFFF;
}

/* Hardware Accelerated Background Layers */
.neural-background {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    will-change: opacity;
    transition: opacity 0.1s ease;
}

#bg-light {
    background-image:
        radial-gradient(circle at var(--mouse-x) var(--mouse-y), var(--glow-light) 0%, transparent 50%),
        radial-gradient(var(--grid-light) 1px, transparent 1px);
    background-size: 100% 100%, 32px 32px;
    opacity: 1;
}

#bg-dark {
    background-image:
        radial-gradient(circle at var(--mouse-x) var(--mouse-y), var(--glow-dark) 0%, transparent 50%),
        radial-gradient(var(--grid-dark) 1px, transparent 1px);
    background-size: 100% 100%, 32px 32px;
    opacity: 0;
}

.dark #bg-light {
    opacity: 0;
}

.dark #bg-dark {
    opacity: 1;
}

/* Android WebView Optimizations - Instant Transitions */
.is-android body,
.is-android .neural-background,
.is-android .monolith-card,
.is-android .monolith-glass {
    transition-duration: 0s !important;
}

/* Hide scrollbars for app-like behavior */
::-webkit-scrollbar {
    display: none;
}

/* Scanline Overlay */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.02) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.01), rgba(0, 255, 0, 0.005), rgba(0, 0, 255, 0.01));
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.1;
}

.dark body::before {
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(255, 255, 255, 0.01) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.02), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.02));
    background-size: 100% 3px, 3px 100%;
    opacity: 0.15;
}

/* Subtle Noise Texture */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3%3Ffilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.02;
    pointer-events: none;
    z-index: 10000;
}

/* Monolith Card Foundations */
.monolith-card {
    background: #FFFFFF;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid #E2E8F0;
    border-radius: 40px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateZ(0);
    backface-visibility: hidden;
    position: relative;
}

.dark .monolith-card {
    background: rgba(5, 5, 5, 0.6);
    border-color: rgba(255, 255, 255, 0.06);
    box-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.5);
}

.monolith-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), rgba(16, 185, 129, 0.15) 0%, transparent 40%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.monolith-card:hover::after {
    opacity: 1;
}

.monolith-card:hover {
    transform: translateY(-4px);
    border-color: #E2E8F0;
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.08);
}

.dark .monolith-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 40px 100px -25px rgba(0, 0, 0, 0.8);
}

/* Neural Glow Pulse */
@keyframes neural-glow {

    0%,
    100% {
        box-shadow: 0 0 15px rgba(16, 185, 129, 0.1);
    }

    50% {
        box-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
    }
}

.neural-glow {
    animation: neural-glow 4s infinite ease-in-out;
}

/* Technical Typography */
.text-technical {
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    opacity: 0.6;
    display: flex;
    align-items: center;
    gap: 12px;
}

.text-technical::before {
    content: "";
    height: 1px;
    width: 20px;
    background: currentColor;
    opacity: 0.3;
}

/* Premium Buttons */
.btn-neural {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-neural::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(16, 185, 129, 0.3), transparent 30%);
    animation: rotate 4s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-neural:hover::before {
    opacity: 1;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Glass Floating Overlay */
.monolith-glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 40px;
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.1);
    transition: background-color 0.1s ease, border-color 0.1s ease;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.dark .monolith-glass {
    background: rgba(0, 0, 0, 0.8);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.7);
}