/* Animation Styles for Aeronautics College Website */
/* Enhanced animations and transitions */

/* Keyframe animations */
@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);
    }
}

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

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(102, 126, 234, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0);
    }
}

@keyframes loadingBar {
    0% {
        width: 0%;
    }
    100% {
        width: 100%;
    }
}

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

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

/* Animation utility classes */
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 0.6s ease-out forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out forwards;
}

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

.animate-slide-in-up {
    animation: slideInUp 0.4s ease-out forwards;
}

.animate-bounce-in {
    animation: bounceIn 0.8s ease-out forwards;
}

/* Staggered animations for lists */
.animate-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-stagger > *:nth-child(1) { animation-delay: 0.1s; }
.animate-stagger > *:nth-child(2) { animation-delay: 0.2s; }
.animate-stagger > *:nth-child(3) { animation-delay: 0.3s; }
.animate-stagger > *:nth-child(4) { animation-delay: 0.4s; }
.animate-stagger > *:nth-child(5) { animation-delay: 0.5s; }
.animate-stagger > *:nth-child(6) { animation-delay: 0.6s; }

/* Hover animations */
.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, 0.15);
}

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

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

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

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

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

/* Button animations */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

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

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

/* Loading animations */
.loading-dots {
    display: inline-flex;
    gap: 4px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #667eea;
    animation: loadingDots 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0s; }

@keyframes loadingDots {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Progress bar animation */
.progress-bar {
    width: 100%;
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
    width: 0%;
    animation: loadingBar 2s ease-out forwards;
}

/* Text animations */
.typewriter {
    overflow: hidden;
    border-right: 2px solid;
    white-space: nowrap;
    animation: typewriter 3s steps(40, end), blink 0.75s step-end infinite;
}

/* Card animations */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Navigation animations */
.nav-slide-down {
    animation: slideInUp 0.3s ease-out;
}

.nav-slide-up {
    animation: slideInUp 0.3s ease-out reverse;
}

/* Modal animations */
.modal-fade-in {
    animation: fadeInUp 0.3s ease-out;
}

.modal-backdrop {
    animation: fadeIn 0.3s ease-out;
}

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

/* Scroll animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

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

/* Parallax effects */
.parallax {
    transform: translateZ(0);
    will-change: transform;
}

/* Hero slider animations */
.hero-fade-in {
    animation: fadeIn 0.5s ease-out;
}

.hero-slide-in-left {
    animation: fadeInLeft 0.8s ease-out;
}

.hero-slide-in-right {
    animation: fadeInRight 0.8s ease-out;
}

/* Counter animations */
.counter {
    font-variant-numeric: tabular-nums;
    display: inline-block;
}

.counter-animate {
    transition: all 0.3s ease;
}

/* Form animations */
.form-field-focus {
    transition: all 0.3s ease;
}

.form-field-focus:focus {
    transform: scale(1.02);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Notification animations */
.notification-slide-in {
    animation: slideInUp 0.4s ease-out;
}

.notification-slide-out {
    animation: slideInUp 0.4s ease-out reverse;
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

/* Image lazy loading animation */
.lazy-image {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-image.loaded {
    opacity: 1;
}

/* Floating elements */
.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* Shake animation for errors */
.shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Success checkmark */
.checkmark {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: #fff;
    stroke-miterlimit: 10;
    box-shadow: inset 0px 0px 0px #7db0c7;
    animation: fill 0.4s ease-in-out 0.4s both, scale 0.3s ease-in-out 0.9s both;
}

.checkmark-circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: #7db0c7;
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
    100% {
        stroke-dashoffset: 0;
    }
}

@keyframes scale {
    0%, 100% {
        transform: none;
    }
    50% {
        transform: scale3d(1.1, 1.1, 1);
    }
}

@keyframes fill {
    100% {
        box-shadow: inset 0px 0px 0px 30px #7db0c7;
    }
}

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

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: particleFloat 10s infinite linear;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) translateX(0px);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

/* Responsive animation adjustments */
@media (max-width: 768px) {
    .animate-stagger > *:nth-child(1) { animation-delay: 0.05s; }
    .animate-stagger > *:nth-child(2) { animation-delay: 0.1s; }
    .animate-stagger > *:nth-child(3) { animation-delay: 0.15s; }
    .animate-stagger > *:nth-child(4) { animation-delay: 0.2s; }
    .animate-stagger > *:nth-child(5) { animation-delay: 0.25s; }
    .animate-stagger > *:nth-child(6) { animation-delay: 0.3s; }
    
    .hover-lift:hover,
    .hover-scale:hover,
    .card-hover:hover {
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .animate-fade-in-up,
    .animate-fade-in-down,
    .animate-fade-in-left,
    .animate-fade-in-right,
    .animate-scale-in,
    .animate-slide-in-up,
    .animate-bounce-in,
    .floating,
    .loading-dots span,
    .loading-spinner,
    .progress-fill,
    .typewriter,
    .modal-fade-in,
    .modal-backdrop,
    .scroll-reveal,
    .hero-fade-in,
    .hero-slide-in-left,
    .hero-slide-in-right,
    .notification-slide-in,
    .notification-slide-out,
    .lazy-image,
    .shake,
    .checkmark-circle,
    .checkmark-check,
    .particle {
        animation: none;
    }
    
    .hover-lift,
    .hover-scale,
    .hover-glow,
    .hover-rotate,
    .card-hover,
    .form-field-focus {
        transition: none;
    }
    
    .btn-ripple::before {
        transition: none;
    }
}