/* ===================================
   Animation Utilities
   =================================== */

/* Fade In Animation */
.fade-in {
    animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Fade In Up Animation */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Stagger animation delays for multiple elements */
.fade-in-up:nth-child(1) {
    transition-delay: 0.1s;
}

.fade-in-up:nth-child(2) {
    transition-delay: 0.2s;
}

.fade-in-up:nth-child(3) {
    transition-delay: 0.3s;
}

.fade-in-up:nth-child(4) {
    transition-delay: 0.4s;
}

.fade-in-up:nth-child(5) {
    transition-delay: 0.5s;
}

.fade-in-up:nth-child(6) {
    transition-delay: 0.6s;
}

/* Slide In Animations */
.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Scale In Animation */
.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

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

/* Rotate In Animation */
.rotate-in {
    opacity: 0;
    transform: rotate(-5deg);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.rotate-in.visible {
    opacity: 1;
    transform: rotate(0deg);
}

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

.pulse {
    animation: pulse 2s infinite;
}

/* Float Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* Shimmer Animation */
@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, 0.1) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

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

.gradient-animation {
    background-size: 200% 200%;
    animation: gradient 5s ease infinite;
}

/* Text Reveal Animation */
.text-reveal {
    position: relative;
    overflow: hidden;
}

.text-reveal::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--accent-primary);
    transform: translateX(-100%);
    animation: reveal 1s ease-out forwards;
}

@keyframes reveal {
    0% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(100%);
    }
}

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

.spinner {
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

/* Typewriter Effect */
@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

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

.typewriter {
    overflow: hidden;
    border-right: 3px solid var(--accent-primary);
    white-space: nowrap;
    animation:
        typewriter 3s steps(40) 1s forwards,
        blink 0.75s step-end infinite;
}

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

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

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

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

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

/* Page Transition */
.page-transition {
    animation: fadeIn 0.5s ease-in-out;
}

/* Smooth Entrance for Sections */
.section-enter {
    opacity: 0;
    transform: translateY(50px);
}

.section-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

/* Parallax Effect */
.parallax {
    transition: transform 0.1s ease-out;
}

/* Focus Animation */
@keyframes focusRing {
    0% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.5);
    }
    100% {
        box-shadow: 0 0 0 10px rgba(59, 130, 246, 0);
    }
}

.focus-ring {
    animation: focusRing 1s ease-out;
}

/* Bounce Animation */
@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

.bounce-in {
    animation: bounceIn 0.6s ease-out;
}

/* Slide Down Animation */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-down {
    animation: slideDown 0.4s ease-out;
}

/* Slide Up Animation */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.4s ease-out;
}

/* Glow Effect */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--accent-primary);
    }
    50% {
        box-shadow: 0 0 20px var(--accent-primary), 0 0 30px var(--accent-primary);
    }
}

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

/* 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;
    }
}