/* IV HELP - Animations */

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Universe Effects */
@keyframes nebula {
    0% {
        transform: rotate(0deg) scale(1);
        filter: hue-rotate(0deg);
    }
    50% {
        transform: rotate(180deg) scale(1.2);
        filter: hue-rotate(180deg);
    }
    100% {
        transform: rotate(360deg) scale(1);
        filter: hue-rotate(360deg);
    }
}

@keyframes comet {
    0% {
        transform: translateX(-100px) translateY(-100px);
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    80% {
        opacity: 1;
    }
    100% {
        transform: translateX(calc(100vw + 100px)) translateY(calc(100vh + 100px));
        opacity: 0;
    }
}

@keyframes constellation {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
}

/* Glow Effects */
@keyframes glow {
    0% {
        box-shadow: 0 0 5px rgba(33, 150, 243, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(33, 150, 243, 0.8), 
                    0 0 40px rgba(33, 150, 243, 0.5);
    }
    100% {
        box-shadow: 0 0 5px rgba(33, 150, 243, 0.5);
    }
}

@keyframes textGlow {
    0%, 100% {
        text-shadow: 0 0 10px rgba(33, 150, 243, 0.5);
    }
    50% {
        text-shadow: 0 0 20px rgba(33, 150, 243, 0.8),
                     0 0 40px rgba(33, 150, 243, 0.5);
    }
}

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

@keyframes rainbowShift {
    0% {
        filter: hue-rotate(0deg);
    }
    100% {
        filter: hue-rotate(360deg);
    }
}

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

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes wave {
    0%, 100% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(-10px);
    }
    75% {
        transform: translateY(10px);
    }
}

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

.shimmer {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Parallax Scroll Classes */
.parallax-slow {
    transition: transform 0.5s cubic-bezier(0.5, 0, 0.5, 1);
}

.parallax-medium {
    transition: transform 0.3s cubic-bezier(0.5, 0, 0.5, 1);
}

.parallax-fast {
    transition: transform 0.2s cubic-bezier(0.5, 0, 0.5, 1);
}

/* Animation Utilities */
.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fadeInDown {
    animation: fadeInDown 0.6s ease-out;
}

.animate-scaleIn {
    animation: scaleIn 0.5s ease-out;
}

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

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

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Delay Classes */
.delay-100 {
    animation-delay: 100ms;
}

.delay-200 {
    animation-delay: 200ms;
}

.delay-300 {
    animation-delay: 300ms;
}

.delay-400 {
    animation-delay: 400ms;
}

.delay-500 {
    animation-delay: 500ms;
}

/* Intersection Observer Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease-out;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease-out;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease-out;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

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

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

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

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

.hover-shrink:hover {
    transform: scale(0.95);
}

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

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* Special Universe Effects */
.aurora-effect {
    position: relative;
    overflow: hidden;
}

.aurora-effect::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(0, 212, 255, 0.1) 50%,
        transparent 70%
    );
    animation: nebula 20s linear infinite;
}

.star-field {
    position: relative;
}

.star-field::before,
.star-field::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    box-shadow: 
        10px 10px 0 white,
        20px 30px 0 white,
        40px 20px 0 white,
        60px 40px 0 white,
        80px 10px 0 white,
        100px 50px 0 white;
    animation: constellation 3s ease-in-out infinite;
}

/* Shooting stars removed for cleaner design */

/* Black Hole Effect */
.black-hole {
    position: relative;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(
        circle at center,
        transparent 30%,
        rgba(0, 0, 0, 0.5) 40%,
        rgba(0, 0, 0, 0.8) 60%,
        black 80%
    );
    animation: spin 20s linear infinite reverse;
}

.black-hole::before {
    content: '';
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        rgba(33, 150, 243, 0.3) 90deg,
        transparent 180deg,
        rgba(102, 126, 234, 0.3) 270deg,
        transparent 360deg
    );
    animation: spin 10s linear infinite;
}