/* Full CSS for Advanced Grid Background System */

/* Base Styles */
* {
    scroll-behavior: smooth !important;
}
/* CSS Variables for easy customization */
:root {
    --primary-blue: #0a1929;
    --secondary-blue: #1a365d;
    --accent-blue: rgba(66, 153, 225, 1);
    --grid-color: rgba(66, 153, 225, 0.08);
    --grid-size: 50px;
    --animation-speed-slow: 80s;
    --animation-speed-medium: 20s;
    --animation-speed-fast: 3s;
}

/* Main Body Background */
body {
    position: relative;
    background: 
        linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 50%, var(--primary-blue) 100%),
        /* Grid background */
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 
        cover,
        var(--grid-size) var(--grid-size),
        var(--grid-size) var(--grid-size);
    background-position: 
        center,
        center,
        center;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

/* Radial Gradient Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(44, 82, 130, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(66, 153, 225, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 40% 50%, rgba(99, 179, 237, 0.05) 0%, transparent 50%);
    z-index: 1;
    pointer-events: none;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Animated Diagonal Lines Overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(45deg, transparent 49.5%, rgba(66, 153, 225, 0.08) 49.5%, rgba(66, 153, 225, 0.02) 50.5%, transparent 50.5%),
        linear-gradient(-45deg, transparent 49.5%, rgba(66, 153, 225, 0.08) 49.5%, rgba(66, 153, 225, 0.02) 50.5%, transparent 50.5%);
    background-size: 100px 100px;
    animation: diagonal-move var(--animation-speed-slow) linear infinite;
    z-index: 2;
    pointer-events: none;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Grid Focus Effect Element - This needs to be added to HTML */
.grid-focus {
    position: fixed;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(66, 153, 225, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    animation: focus-pulse 8s ease-in-out infinite;
    z-index: 3;
    pointer-events: none;
    transform: translate(-50%, -50%);
}

/* Grid Connections Container - Add to HTML */
.grid-connections {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 4;
    pointer-events: none;
}

/* Individual Grid Connection Lines */
.grid-connection {
    position: absolute;
    background: linear-gradient(90deg, 
        rgba(66, 153, 225, 0) 0%, 
        rgba(66, 153, 225, 0.25) 50%, 
        rgba(66, 153, 225, 0) 100%);
    height: 1px;
    animation: connection-glow var(--animation-speed-fast) ease-in-out infinite;
    transform-origin: left center;
}

/* Grid Intersection Points Container */
.grid-points {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    pointer-events: none;
}

/* Individual Grid Points */
.grid-point {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(66, 153, 225, 0.5);
    border-radius: 50%;
    box-shadow: 
        0 0 15px rgba(66, 153, 225, 0.7),
        0 0 30px rgba(66, 153, 225, 0.3);
    animation: point-pulse 2s ease-in-out infinite;
    transform: translate(-50%, -50%);
}

/* Alternative Background Layers (Optional) */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(66, 153, 225, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(66, 153, 225, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    transition: transform 0.1s linear;
    z-index: 1;
    pointer-events: none;
}

.bg-dots {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(rgba(159, 122, 234, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    transition: transform 0.1s linear;
    z-index: 2;
    pointer-events: none;
}

.bg-lines {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(56, 178, 172, 0.03) 10px,
            rgba(56, 178, 172, 0.03) 20px
        );
    transition: transform 0.1s linear;
    z-index: 3;
    pointer-events: none;
}

/* Animations */
@keyframes diagonal-move {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 200px 200px;
    }
}

@keyframes focus-pulse {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

@keyframes connection-glow {
    0%, 100% {
        opacity: 0.1;
        transform: scaleX(0.8);
    }
    50% {
        opacity: 0.5;
        transform: scaleX(1);
    }
}

@keyframes point-pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.8);
        opacity: 0.8;
    }
}

@keyframes grid-move {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 100px 100px;
    }
}

/* Content Styling */
.content {
    position: relative;
    z-index: 100;
    color: rgba(255, 255, 255, 0.9);
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #4299e1, #9f7aea);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.content p {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    body::after,
    .grid-focus,
    .grid-connection,
    .grid-point {
        animation: none !important;
    }
    
    .grid-focus {
        opacity: 0.3;
    }
    
    .grid-connection {
        opacity: 0.1;
    }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    :root {
        --grid-size: 30px;
    }
    
    body::after {
        background-size: 60px 60px;
    }
    
    .content {
        padding: 20px;
    }
    
    .content h1 {
        font-size: 2rem;
    }
}

/* Interactive Effects */
.interactive-grid {
    cursor: crosshair;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(10, 25, 41, 0.5);
}

::-webkit-scrollbar-thumb {
    background: rgba(66, 153, 225, 0.5);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(66, 153, 225, 0.8);
}