/*
 * Advanced Visual Effects
 * Sophisticated animations and interactive elements
 */

/* ===== ADVANCED BACKGROUND EFFECTS ===== */

.background-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
}

.neural-network-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
    opacity: 0.1;
    background: radial-gradient(circle at 25% 25%, var(--slate-100) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, var(--slate-50) 0%, transparent 50%);
}

/* ===== FLOATING ELEMENTS ===== */

.floating-element {
    position: absolute;
    animation: float 6s ease-in-out infinite;
    pointer-events: none;
}

.floating-element:nth-child(1) { animation-delay: 0s; }
.floating-element:nth-child(2) { animation-delay: 2s; }
.floating-element:nth-child(3) { animation-delay: 4s; }

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-10px) rotate(5deg);
    }
    66% {
        transform: translateY(5px) rotate(-5deg);
    }
}

/* ===== PARTICLE SYSTEM BASE ===== */

.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: particle-float 8s linear infinite;
}

.particle.small {
    width: 4px;
    height: 4px;
    background: var(--slate-300);
}

.particle.medium {
    width: 6px;
    height: 6px;
    background: var(--slate-400);
}

.particle.large {
    width: 8px;
    height: 8px;
    background: var(--slate-500);
}

@keyframes particle-float {
    0% {
        transform: translateY(100vh) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(100px) rotate(360deg);
        opacity: 0;
    }
}

/* ===== SOPHISTICATED GRID ANIMATIONS ===== */

.animated-grid {
    background-image: 
        linear-gradient(var(--slate-200) 1px, transparent 1px),
        linear-gradient(90deg, var(--slate-200) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: grid-move 20s linear infinite;
    opacity: 0.3;
}

@keyframes grid-move {
    0% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(40px) translateY(40px);
    }
}

/* ===== PROFESSIONAL GLOW EFFECTS ===== */

.professional-glow {
    position: relative;
}

.professional-glow::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--blue), var(--purple), var(--pink), var(--blue));
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    background-size: 400% 400%;
    animation: professional-glow-rotate 4s ease-in-out infinite;
}

.professional-glow:hover::before {
    opacity: 0.3;
}

@keyframes professional-glow-rotate {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* ===== MAGNETIC FIELD EFFECTS ===== */

.magnetic-field {
    position: relative;
    transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.magnetic-field::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    height: 120%;
    border: 1px solid var(--slate-300);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: all 0.3s ease;
}

.magnetic-field:hover::before {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.5;
}

/* ===== ADVANCED SCROLL EFFECTS ===== */

.parallax-element {
    transition: transform 0.1s ease-out;
}

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

.scale-on-scroll {
    transition: transform 0.1s ease-out;
}

/* ===== SOPHISTICATED HOVER STATES ===== */

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.hover-tilt {
    transition: transform 0.3s ease;
    transform-style: preserve-3d;
}

.hover-tilt:hover {
    transform: perspective(1000px) rotateX(10deg) rotateY(10deg);
}

/* ===== ENERGY RINGS ===== */

.energy-ring {
    position: absolute;
    border: 1px solid var(--slate-300);
    border-radius: 50%;
    animation: energy-pulse 3s ease-in-out infinite;
}

.energy-ring:nth-child(1) {
    width: 100px;
    height: 100px;
    animation-delay: 0s;
}

.energy-ring:nth-child(2) {
    width: 150px;
    height: 150px;
    animation-delay: 1s;
}

.energy-ring:nth-child(3) {
    width: 200px;
    height: 200px;
    animation-delay: 2s;
}

@keyframes energy-pulse {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        opacity: 0.5;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(1.2);
    }
}

/* ===== AURORA BACKGROUND ===== */

.aurora-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        45deg,
        rgba(59, 130, 246, 0.05) 0%,
        rgba(139, 92, 246, 0.05) 25%,
        rgba(236, 72, 153, 0.05) 50%,
        rgba(59, 130, 246, 0.05) 75%,
        rgba(139, 92, 246, 0.05) 100%
    );
    background-size: 400% 400%;
    animation: aurora-shift 20s ease infinite;
    pointer-events: none;
}

@keyframes aurora-shift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* ===== LIQUID DISTORTION ===== */

.liquid-distort {
    filter: url(#liquid-filter);
    animation: liquid-wave 4s ease-in-out infinite;
}

@keyframes liquid-wave {
    0%, 100% {
        filter: url(#liquid-filter);
    }
    50% {
        filter: url(#liquid-filter) hue-rotate(10deg);
    }
}

/* ===== PROFESSIONAL SCAN LINES ===== */

.scan-lines {
    position: relative;
    overflow: hidden;
}

.scan-lines::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--slate-400), transparent);
    animation: scan-line 3s linear infinite;
    opacity: 0.7;
}

@keyframes scan-line {
    0% {
        transform: translateY(-2px);
    }
    100% {
        transform: translateY(calc(100vh + 2px));
    }
}

/* ===== MATRIX RAIN EFFECT ===== */

.matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -3;
    opacity: 0.05;
}

.matrix-column {
    position: absolute;
    color: var(--slate-600);
    font-family: var(--font-family-mono);
    font-size: 10px;
    line-height: 12px;
    animation: matrix-fall 10s linear infinite;
}

@keyframes matrix-fall {
    0% {
        transform: translateY(-100vh);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

/* ===== QUANTUM DOT GRID ===== */

.quantum-grid {
    background-image: radial-gradient(circle at 1px 1px, var(--slate-300) 1px, transparent 0);
    background-size: 20px 20px;
    animation: quantum-shift 15s ease-in-out infinite;
    opacity: 0.2;
}

@keyframes quantum-shift {
    0%, 100% {
        background-position: 0 0;
    }
    50% {
        background-position: 10px 10px;
    }
}

/* ===== PROFESSIONAL TYPEWRITER EFFECT ===== */

.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--slate-900);
    white-space: nowrap;
    animation: typewriter 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink-caret {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: var(--slate-900);
    }
}

/* ===== SOPHISTICATED BUTTON RIPPLE ===== */

.ripple-effect {
    position: relative;
    overflow: hidden;
}

.ripple-effect::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple-effect:active::before {
    width: 300px;
    height: 300px;
}

/* ===== SMOOTH TRANSITIONS ===== */

.smooth-transition {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.elastic-transition {
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */

.gpu-layer {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

/* ===== PROFESSIONAL LOADING STATES ===== */

.loading-skeleton {
    background: linear-gradient(90deg, var(--slate-200) 25%, var(--slate-100) 50%, var(--slate-200) 75%);
    background-size: 200% 100%;
    animation: loading-shimmer 2s infinite;
}

@keyframes loading-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* ===== SUBTLE ANIMATIONS FOR ACCESSIBILITY ===== */

@media (prefers-reduced-motion: reduce) {
    .floating-element,
    .particle,
    .animated-grid,
    .energy-ring,
    .aurora-bg,
    .scan-lines::before,
    .matrix-column,
    .quantum-grid {
        animation: none;
    }
    
    .professional-glow::before,
    .magnetic-field::before,
    .ripple-effect::before {
        transition: none;
    }
    
    .hover-lift:hover,
    .hover-tilt:hover {
        transform: none;
    }
}

/* ===== INTERSECTION OBSERVER CLASSES ===== */

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.in-view {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.in-view {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.in-view {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.in-view {
    opacity: 1;
    transform: scale(1);
}

/* ===== SVG FILTERS FOR ADVANCED EFFECTS ===== */

.svg-filters {
    position: absolute;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* Applied via JavaScript for liquid effects */
.liquid-morph {
    filter: url(#liquid-filter);
}

.glow-filter {
    filter: url(#glow-filter);
}

.distort-filter {
    filter: url(#distort-filter);
}