/* ============================================
   DYNAMIC TECH VISUALS & DATA FLOW
   Professional animated backgrounds and effects
   ============================================ */

:root {
    --flow-speed: 3s;
    --data-color: #D4AF37;
}

/* ============================================
   ANIMATED TECH BACKGROUND GRID
   ============================================ */
.tech-grid-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
    background-image: 
        linear-gradient(rgba(44, 62, 95, 0.5) 1px, transparent 1px),
        linear-gradient(90deg, rgba(44, 62, 95, 0.5) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-flow 30s linear infinite;
}

@keyframes grid-flow {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 50px 50px;
    }
}

/* ============================================
   DATA FLOW CABLES/LINES
   ============================================ */
.data-flow-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.data-cable {
    position: absolute;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(44, 62, 95, 0.8), 
        rgba(107, 31, 60, 0.8),
        transparent);
    height: 2px;
    width: 200px;
    opacity: 0;
    animation: cable-flow var(--flow-speed) ease-in-out infinite;
    box-shadow: 0 0 15px rgba(44, 62, 95, 0.3);
}

.data-cable.vertical {
    width: 2px;
    height: 200px;
    background: linear-gradient(180deg, 
        transparent, 
        rgba(212, 175, 55, 0.6), 
        rgba(0, 217, 255, 0.6),
        transparent);
}

@keyframes cable-flow {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(200vw);
        opacity: 0;
    }
}

/* Vertical flow */
.data-cable.vertical {
    animation: cable-flow-vertical var(--flow-speed) ease-in-out infinite;
}

@keyframes cable-flow-vertical {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    90% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(200vh);
        opacity: 0;
    }
}

/* ============================================
   BINARY DATA STREAM
   ============================================ */
.binary-stream {
    position: absolute;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: rgba(212, 175, 55, 0.5);
    white-space: nowrap;
    opacity: 0;
    animation: binary-fall 5s linear infinite;
    pointer-events: none;
}

@keyframes binary-fall {
    0% {
        transform: translateY(-50px);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

/* ============================================
   GLOWING DATA PACKETS
   ============================================ */
.data-packet {
    position: absolute;
    width: 6px;
    height: 6px;
    background: #D4AF37;
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(212, 175, 55, 1),
                0 0 30px rgba(212, 175, 55, 0.6);
    opacity: 0;
    animation: packet-travel 4s ease-in-out infinite;
}

@keyframes packet-travel {
    0% {
        transform: translate(0, 0) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
        transform: scale(1);
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translate(100vw, 50vh) scale(0);
        opacity: 0;
    }
}

/* ============================================
   TECH NETWORK NODES
   ============================================ */
.network-nodes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.network-node {
    position: absolute;
    width: 6px;
    height: 6px;
    background: rgba(212, 175, 55, 0.6);
    border-radius: 50%;
    animation: node-pulse 2s ease-in-out infinite;
}

@keyframes node-pulse {
    0%, 100% {
        box-shadow: 0 0 5px rgba(212, 175, 55, 0.3);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 20px rgba(212, 175, 55, 0.8);
        transform: scale(1.5);
    }
}

.network-connection {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, 
        rgba(212, 175, 55, 0.2), 
        rgba(212, 175, 55, 0.5), 
        rgba(212, 175, 55, 0.2));
    transform-origin: left center;
    animation: connection-pulse 3s ease-in-out infinite;
}

@keyframes connection-pulse {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.8;
    }
}

/* ============================================
   TECH PATTERN OVERLAY
   ============================================ */
.tech-pattern-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23D4AF37' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   DIGITAL RAIN EFFECT (Matrix style)
   ============================================ */
.digital-rain {
    position: absolute;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: rgba(212, 175, 55, 0.6);
    opacity: 0;
    white-space: pre;
    pointer-events: none;
    animation: rain-fall 8s linear infinite;
}

@keyframes rain-fall {
    0% {
        transform: translateY(-100px);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    80% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(calc(100vh + 100px));
        opacity: 0;
    }
}

/* ============================================
   SCANNING LINE EFFECT
   ============================================ */
.scan-line {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 217, 255, 0.8), 
        transparent);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.6);
    animation: scan-move 4s ease-in-out infinite;
}

@keyframes scan-move {
    0% {
        top: 0;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}

/* ============================================
   LOADING BAR ANIMATION
   ============================================ */
.tech-loading-bar {
    position: relative;
    width: 100%;
    height: 3px;
    background: rgba(212, 175, 55, 0.1);
    overflow: hidden;
    border-radius: 2px;
}

.tech-loading-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(212, 175, 55, 0.8), 
        rgba(0, 217, 255, 0.8), 
        transparent);
    animation: loading-sweep 2s ease-in-out infinite;
}

@keyframes loading-sweep {
    0% {
        left: -100%;
    }
    100% {
        left: 200%;
    }
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
    .data-cable,
    .digital-rain,
    .binary-stream {
        display: none; /* Reduce effects on mobile */
    }
    
    .tech-grid-background {
        background-size: 30px 30px;
    }
    
    .data-packet {
        width: 3px;
        height: 3px;
    }
}

/* Reduce animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    .data-cable,
    .binary-stream,
    .data-packet,
    .digital-rain,
    .scan-line {
        animation: none !important;
        opacity: 0.1 !important;
    }
    
    .network-node,
    .network-connection {
        animation: none !important;
    }
}

/* ============================================
   APPLY TO SECTIONS
   ============================================ */
.hero-section,
.services,
.about-preview,
.service-detail {
    position: relative;
    overflow: hidden;
}

/* Ensure content stays above animations */
.hero-section .container,
.services .container,
.about-preview .container,
.service-detail .container {
    position: relative;
    z-index: 10;
}

/* Performance/Battery gating: hide heavy visuals on low resources */
body.low-performance .animated-particles,
body.low-performance .floating-shapes,
body.low-performance .tech-grid-background,
body.low-performance .data-flow-container,
body.low-performance .network-nodes,
body.battery-save .animated-particles,
body.battery-save .floating-shapes,
body.battery-save .tech-grid-background,
body.battery-save .data-flow-container,
body.battery-save .network-nodes {
    display: none !important;
}