/* ===== ANIMATION KEYFRAMES ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

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

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

@keyframes floatLogo {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-15px) rotate(2deg);
    }
    50% {
        transform: translateY(-20px) rotate(0deg);
    }
    75% {
        transform: translateY(-15px) rotate(-2deg);
    }
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* ===== ANIMATION CLASSES ===== */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

.slide-up {
    opacity: 0;
    animation: slideUp 0.6s ease-out forwards;
}

.slide-down {
    opacity: 0;
    animation: slideDown 0.6s ease-out forwards;
}

.slide-left {
    opacity: 0;
    animation: slideLeft 0.6s ease-out forwards;
}

.slide-right {
    opacity: 0;
    animation: slideRight 0.6s ease-out forwards;
}

.scale-in {
    opacity: 0;
    animation: scaleIn 0.6s ease-out forwards;
}

.bounce {
    animation: bounce 2s infinite;
}

.pulse {
    animation: pulse 2s infinite;
}

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

.shake {
    animation: shake 0.5s ease-in-out;
}

/* ===== DELAYED ANIMATIONS ===== */
.fade-in[data-delay="0.1s"] {
    animation-delay: 0.1s;
}

.fade-in[data-delay="0.2s"] {
    animation-delay: 0.2s;
}

.fade-in[data-delay="0.3s"] {
    animation-delay: 0.3s;
}

.fade-in[data-delay="0.4s"] {
    animation-delay: 0.4s;
}

.fade-in[data-delay="0.5s"] {
    animation-delay: 0.5s;
}

.slide-up[data-delay="0.1s"] {
    animation-delay: 0.1s;
}

.slide-up[data-delay="0.2s"] {
    animation-delay: 0.2s;
}

.slide-up[data-delay="0.3s"] {
    animation-delay: 0.3s;
}

.slide-up[data-delay="0.4s"] {
    animation-delay: 0.4s;
}

.slide-up[data-delay="0.5s"] {
    animation-delay: 0.5s;
}

.slide-up[data-delay="0.6s"] {
    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, 123, 255, 0.2);
}

.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);
}

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

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.5);
}

/* ===== SCROLL ANIMATIONS ===== */
.scroll-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* ===== LOADING ANIMATIONS ===== */
.loading-dots {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 20px;
}

.loading-dots div {
    position: absolute;
    top: 50%;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #007bff;
    animation-timing-function: cubic-bezier(0, 1, 1, 0);
}

.loading-dots div:nth-child(1) {
    left: 8px;
    animation: loading-dots1 0.6s infinite;
}

.loading-dots div:nth-child(2) {
    left: 8px;
    animation: loading-dots2 0.6s infinite;
}

.loading-dots div:nth-child(3) {
    left: 32px;
    animation: loading-dots2 0.6s infinite;
}

.loading-dots div:nth-child(4) {
    left: 56px;
    animation: loading-dots3 0.6s infinite;
}

@keyframes loading-dots1 {
    0% {
        transform: scale(0);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes loading-dots3 {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(0);
    }
}

@keyframes loading-dots2 {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(24px, 0);
    }
}

/* ===== BUTTON ANIMATIONS ===== */
.btn-animate {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-animate:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-animate:hover:before {
    left: 100%;
}

.btn-bounce {
    animation: bounce 2s infinite;
}

.btn-pulse {
    animation: pulse 2s infinite;
}

/* ===== CARD ANIMATIONS ===== */
.card-flip {
    perspective: 1000px;
}

.card-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.card-flip:hover .card-flip-inner {
    transform: rotateY(180deg);
}

.card-flip-front,
.card-flip-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.card-flip-back {
    transform: rotateY(180deg);
}

/* ===== NAVIGATION ANIMATIONS ===== */
.nav-menu {
    transition: all 0.3s ease;
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #007bff;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover:before,
.nav-link.active:before {
    width: 100%;
}

/* ===== FORM ANIMATIONS ===== */
.form-group {
    position: relative;
}

.form-group input,
.form-group textarea,
.form-group select {
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.2);
}

.form-group label {
    transition: all 0.3s ease;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group select:focus + label {
    color: #007bff;
    transform: translateY(-2px);
}

/* ===== MODAL ANIMATIONS ===== */
.video-modal {
    transition: opacity 0.3s ease;
}

.video-modal.active {
    animation: fadeIn 0.3s ease;
}

.modal-content {
    animation: scaleIn 0.3s ease;
}

/* ===== SOCIAL ICONS ANIMATIONS ===== */
.floating-social {
    animation: float 3s ease-in-out infinite;
}

.social-icon {
    transition: all 0.3s ease;
}

.social-icon:hover {
    animation: pulse 0.6s ease;
}

/* ===== FOOTER ANIMATIONS ===== */
.footer-section {
    transition: transform 0.3s ease;
}

.footer-section:hover {
    transform: translateY(-5px);
}

/* ===== RESPONSIVE ANIMATIONS ===== */
@media (max-width: 768px) {
    .fade-in,
    .slide-up,
    .slide-down,
    .slide-left,
    .slide-right,
    .scale-in {
        animation-duration: 0.4s;
    }
    
    .hover-lift:hover,
    .hover-scale:hover,
    .hover-rotate:hover {
        transform: none;
    }
}

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

/* ===== SCROLL TRIGGER ANIMATIONS ===== */
.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

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

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

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

/* ===== PROGRESS ANIMATIONS ===== */
.progress-bar {
    width: 100%;
    height: 4px;
    background: #e9ecef;
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #007bff, #0056b3);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.progress-animated {
    background: linear-gradient(90deg, #007bff, #0056b3, #007bff);
    background-size: 200% 100%;
    animation: gradient 2s ease infinite;
}

/* ===== TYPING ANIMATION ===== */
.typing-text {
    overflow: hidden;
    border-right: 3px solid #007bff;
    white-space: nowrap;
    animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

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

@keyframes blink-caret {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: #007bff;
    }
}

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

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 123, 255, 0.3);
    border-radius: 50%;
    animation: particle-float 10s infinite linear;
}

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

/* ===== WAVE ANIMATION ===== */
.wave {
    position: relative;
    overflow: hidden;
}

.wave:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: wave-animation 2s infinite;
}

@keyframes wave-animation {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.animate-gpu {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

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

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