/* ===== Keyframe 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 scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@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 rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg);
    }
    to {
        opacity: 1;
        transform: rotate(0);
    }
}

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

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

@keyframes flip {
    from {
        transform: perspective(400px) rotateY(90deg);
        opacity: 0;
    }
    to {
        transform: perspective(400px) rotateY(0);
        opacity: 1;
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
    }
}

@keyframes zoomOut {
    from {
        opacity: 1;
    }
    50% {
        opacity: 0;
        transform: scale(0.3);
    }
    to {
        opacity: 0;
    }
}

/* ===== Animation Classes ===== */

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.animate-fade-in-down {
    animation: fadeInDown 0.8s ease-out forwards;
    opacity: 0;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.8s ease-out forwards;
    opacity: 0;
}

.animate-fade-in-right {
    animation: fadeInRight 0.8s ease-out forwards;
    opacity: 0;
}

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

.animate-slide-up {
    animation: slideUp 0.8s ease-out forwards;
    opacity: 0;
}

.animate-slide-down {
    animation: slideDown 0.8s ease-out forwards;
    opacity: 0;
}

.animate-slide-left {
    animation: slideLeft 0.8s ease-out forwards;
    opacity: 0;
}

.animate-slide-right {
    animation: slideRight 0.8s ease-out forwards;
    opacity: 0;
}

.animate-rotate-in {
    animation: rotateIn 0.8s ease-out forwards;
    opacity: 0;
}

.animate-bounce {
    animation: bounce 1s ease-in-out;
}

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

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

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

.animate-zoom-in {
    animation: zoomIn 0.6s ease-out forwards;
}

/* ===== Delay Classes ===== */

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

.delay-4 {
    animation-delay: 0.8s;
}

.delay-5 {
    animation-delay: 1s;
}

.delay-6 {
    animation-delay: 1.2s;
}

/* ===== Scroll Reveal ===== */

.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}

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

.scroll-reveal.delay-1 {
    transition-delay: 0.2s;
}

.scroll-reveal.delay-2 {
    transition-delay: 0.4s;
}

.scroll-reveal.delay-3 {
    transition-delay: 0.6s;
}

.scroll-reveal.delay-4 {
    transition-delay: 0.8s;
}

.scroll-reveal.delay-5 {
    transition-delay: 1s;
}

/* ===== Hover Effects ===== */

.hover-lift {
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

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

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

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

.hover-shine {
    position: relative;
    overflow: hidden;
}

.hover-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease-out;
}

.hover-shine:hover::before {
    left: 100%;
}

/* ===== Loading Animations ===== */

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.dots-loading {
    display: inline-flex;
    gap: 5px;
}

.dots-loading span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary);
    animation: dotsPulse 1.4s infinite ease-in-out both;
}

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

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

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

/* ===== Parallax Effect ===== */

.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* ===== Gradient Text ===== */

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Glowing Border ===== */

.glow-border {
    position: relative;
}

.glow-border::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, var(--secondary), var(--primary), var(--secondary));
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s ease-out;
    z-index: -1;
    filter: blur(10px);
}

.glow-border:hover::before {
    opacity: 1;
}

/* ===== Ripple Effect ===== */

.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:active::after {
    width: 300px;
    height: 300px;
}

/* ===== Floating Animation ===== */

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

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

/* ===== Typewriter Effect ===== */

.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--secondary);
    white-space: nowrap;
    animation: typing 3.5s 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: var(--secondary);
    }
}

/* ===== Image Reveal ===== */

.image-reveal {
    position: relative;
    overflow: hidden;
}

.image-reveal::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary);
    transform: translateX(-100%);
    transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.image-reveal.revealed::before {
    transform: translateX(100%);
}

/* ===== Stagger Animation ===== */

.stagger-fade-in > * {
    opacity: 0;
    transform: translateY(20px);
}

.stagger-fade-in.active > * {
    animation: fadeInUp 0.6s ease-out forwards;
}

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

/* ===== Mobile Optimizations ===== */

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