/* Advanced Animations and Visual Effects */
/* Reading Surveyors - Dynamic CSS Animations */

/* Animated Gradient Background */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.animated-gradient {
    background: linear-gradient(-45deg, #1e3a5f, #2c5f8d, #1a4d7a, #235a8a);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* Parallax Effect */
.parallax-layer {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

/* Floating Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

/* Ken Burns Effect (Zoom & Pan) */
@keyframes kenBurns {
    0% {
        transform: scale(1) translate(0, 0);
    }
    50% {
        transform: scale(1.2) translate(-5%, -5%);
    }
    100% {
        transform: scale(1) translate(0, 0);
    }
}

.ken-burns {
    animation: kenBurns 30s ease-in-out infinite;
    transform-origin: center center;
}

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 1s ease-out forwards;
}

/* Fade In */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 1.5s ease-out forwards;
}

/* Slide In Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInLeft 1s ease-out forwards;
}

/* Slide In Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 1s ease-out forwards;
}

/* Scale In */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.scale-in {
    animation: scaleIn 0.8s ease-out forwards;
}

/* Pulse Effect */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
    background-size: 1000px 100%;
    animation: shimmer 3s infinite;
}

/* Particle Background Animation */
.particles-background {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    top: 0;
    left: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: particleFloat 20s infinite ease-in-out;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translate(100px, -1000px) scale(1.5);
        opacity: 0;
    }
}

/* Glowing Border Animation */
@keyframes glowBorder {
    0%, 100% {
        box-shadow: 0 0 5px rgba(212, 175, 55, 0.5), 0 0 10px rgba(212, 175, 55, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(212, 175, 55, 0.8), 0 0 30px rgba(212, 175, 55, 0.5);
    }
}

.glow-border {
    animation: glowBorder 2s ease-in-out infinite;
}

/* Typing Animation */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

.typing-effect {
    overflow: hidden;
    border-right: 2px solid var(--accent-color);
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink 0.75s step-end infinite;
}

/* Spinning Loader */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.spinner {
    animation: spin 1s linear infinite;
}

/* Wave Animation */
@keyframes wave {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-25%);
    }
}

.wave-animation {
    animation: wave 20s ease-in-out infinite;
}

/* Bounce */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

.bounce {
    animation: bounce 2s infinite;
}

/* Gradient Text Animation */
@keyframes gradientText {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.gradient-text {
    background: linear-gradient(90deg, #1e3a5f, #d4af37, #2c5f8d, #d4af37);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientText 5s ease infinite;
}

/* Slide Up Reveal */
@keyframes slideUpReveal {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.slide-up-reveal {
    animation: slideUpReveal 1s ease-out forwards;
}

/* Zoom In */
@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.zoom-in {
    animation: zoomIn 0.8s ease-out forwards;
}

/* Flip In */
@keyframes flipIn {
    from {
        transform: perspective(400px) rotateY(90deg);
        opacity: 0;
    }
    to {
        transform: perspective(400px) rotateY(0);
        opacity: 1;
    }
}

.flip-in {
    animation: flipIn 0.8s ease-out forwards;
}

/* Background Patterns */
.dot-pattern {
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
}

.grid-pattern {
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Stagger Animation Delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

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

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.6);
    transition: box-shadow 0.3s ease;
}

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* Animated Underline */
.animated-underline {
    position: relative;
    display: inline-block;
}

.animated-underline::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.animated-underline:hover::after {
    width: 100%;
}

/* Counter Animation (for numbers) */
.counter {
    font-weight: 700;
    font-size: 3rem;
    color: var(--primary-color);
}

/* Ripple Effect */
@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

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

.ripple-effect::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
}

.ripple-effect:active::after {
    animation: ripple 0.6s ease-out;
}

/* Delayed Animations */
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1s; }

/* Performance Optimization */
.will-animate {
    will-change: transform, opacity;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
