/* ===== ENTRANCE 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);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

/* ===== SPECIAL EFFECTS ===== */
@keyframes ripple {
    0% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.3),
                    0 0 0 10px rgba(59, 130, 246, 0.3),
                    0 0 0 20px rgba(59, 130, 246, 0.3);
    }
    100% {
        box-shadow: 0 0 0 10px rgba(59, 130, 246, 0.3),
                    0 0 0 20px rgba(59, 130, 246, 0.3),
                    0 0 0 30px rgba(59, 130, 246, 0);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

@keyframes confetti {
    0% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(1000px) rotate(720deg);
        opacity: 0;
    }
}

@keyframes floatUpDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* ===== BUTTON ANIMATIONS ===== */
.btn-pulse {
    animation: pulse 2s infinite;
}

.btn-shimmer {
    position: relative;
    overflow: hidden;
}

.btn-shimmer:after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: 0.5s;
}

.btn-shimmer:hover:after {
    left: 100%;
}

/* ===== HOVER EFFECTS ===== */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.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(59, 130, 246, 0.5);
}

.hover-color-shift {
    transition: all 0.3s ease;
}

.hover-color-shift:hover {
    background: linear-gradient(135deg, var(--primary), var(--accent3));
    color: white;
}

/* ===== TEXT ANIMATIONS ===== */
.typewriter-text {
    overflow: hidden;
    border-right: 2px solid var(--primary);
    white-space: nowrap;
    animation: typewriter 3.5s steps(40, end),
               blink 0.75s step-end infinite;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* ===== COUNTER ANIMATION ===== */
@keyframes countUp {
    from {
        content: "0";
    }
    to {
        content: attr(data-count);
    }
}

.counter {
    display: inline-block;
}

.counter.animated {
    animation: countUp 2s ease-out;
}

/* ===== PAGE TRANSITIONS ===== */
.page-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s, transform 0.5s;
}

.page-exit {
    opacity: 1;
    transform: translateY(0);
}

.page-exit-active {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.5s, transform 0.5s;
}

/* ===== LOADING ANIMATIONS ===== */
.loading-dots {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 20px;
}

.loading-dots div {
    position: absolute;
    top: 0;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--primary);
    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);
    }
}

/* ===== SCROLL ANIMATIONS ===== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--accent2));
    z-index: 1001;
    transition: width 0.1s;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===== BACKGROUND ANIMATIONS ===== */
.animated-bg {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* ===== CARD FLIP ANIMATION ===== */
.flip-card {
    perspective: 1000px;
}

.flip-card-inner {
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    backface-visibility: hidden;
    position: absolute;
    width: 100%;
    height: 100%;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* ===== 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 0.8s;
}

/* ===== SHAKE ANIMATION ===== */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

.shake {
    animation: shake 0.5s;
}

/* ===== SLIDE IN FROM SIDES ===== */
.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

/* ===== ROTATING ICONS ===== */
.rotate-icon {
    transition: transform 0.3s ease;
}

.rotate-icon:hover {
    transform: rotate(180deg);
}

.spin-icon {
    animation: spin 2s linear infinite;
}

/* ===== PARALLAX EFFECT ===== */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* ===== STAGGERED ANIMATIONS ===== */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
}

.stagger-item.animated {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s, transform 0.5s;
}

.stagger-item:nth-child(1) { transition-delay: 0.1s; }
.stagger-item:nth-child(2) { transition-delay: 0.2s; }
.stagger-item:nth-child(3) { transition-delay: 0.3s; }
.stagger-item:nth-child(4) { transition-delay: 0.4s; }
.stagger-item:nth-child(5) { transition-delay: 0.5s; }
.stagger-item:nth-child(6) { transition-delay: 0.6s; }

/* ===== WAVE ANIMATION ===== */
@keyframes wave {
    0% {
        transform: rotate(0deg);
    }
    10% {
        transform: rotate(14deg);
    }
    20% {
        transform: rotate(-8deg);
    }
    30% {
        transform: rotate(14deg);
    }
    40% {
        transform: rotate(-4deg);
    }
    50% {
        transform: rotate(10deg);
    }
    60% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(0deg);
    }
}

.wave {
    animation: wave 2.5s infinite;
    transform-origin: 70% 70%;
    display: inline-block;
}

/* ===== GLITCH EFFECT ===== */
@keyframes glitch {
    0% {
        transform: translate(0);
    }
    20% {
        transform: translate(-2px, 2px);
    }
    40% {
        transform: translate(-2px, -2px);
    }
    60% {
        transform: translate(2px, 2px);
    }
    80% {
        transform: translate(2px, -2px);
    }
    100% {
        transform: translate(0);
    }
}

.glitch {
    position: relative;
    display: inline-block;
}

.glitch:hover {
    animation: glitch 0.3s infinite;
    color: var(--primary);
}

/* ===== FLOATING ANIMATION ===== */
.float-slow {
    animation: float 6s ease-in-out infinite;
}

.float-medium {
    animation: float 4s ease-in-out infinite;
}

.float-fast {
    animation: float 2s ease-in-out infinite;
}

/* ===== HEARTBEAT ANIMATION ===== */
@keyframes heartbeat {
    0% {
        transform: scale(1);
    }
    5% {
        transform: scale(1.1);
    }
    10% {
        transform: scale(1);
    }
    15% {
        transform: scale(1.1);
    }
    20% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
    }
}

.heartbeat {
    animation: heartbeat 2s infinite;
}