/* ==========================================
   KM Works Website - Animations
   ========================================== */

/* ==========================================
   Keyframe Animations
   ========================================== */

/* Fade In */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In Down */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In Left */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Fade In Right */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scale In */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

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

/* Glow Pulse */
@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 255, 0.6);
    }
}

/* Shimmer */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Rotate */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Bounce */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-15px);
    }
    60% {
        transform: translateY(-7px);
    }
}

/* Slide In Right */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Slide In Left */
@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

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

/* Border Glow */
@keyframes borderGlow {
    0%, 100% {
        border-color: rgba(0, 212, 255, 0.3);
    }
    50% {
        border-color: rgba(0, 212, 255, 0.8);
    }
}

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

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

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

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

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

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

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

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

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

.animate-glow {
    animation: glowPulse 2s infinite;
}

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

.animate-rotate {
    animation: rotate 10s linear infinite;
}

/* ==========================================
   Hover Animations
   ========================================== */

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

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Scale on hover */
.hover-scale {
    transition: transform 0.3s ease;
}

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

/* Glow on hover */
.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

/* Border glow on hover */
.hover-border-glow {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.hover-border-glow:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

/* Underline animation */
.hover-underline {
    position: relative;
}

.hover-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.hover-underline:hover::after {
    width: 100%;
}

/* Icon rotate on hover */
.hover-rotate-icon i {
    transition: transform 0.3s ease;
}

.hover-rotate-icon:hover i {
    transform: rotate(360deg);
}

/* Color fill on hover */
.hover-fill {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hover-fill::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease;
    z-index: -1;
}

.hover-fill:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* ==========================================
   Loading States
   ========================================== */

/* Skeleton loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-card) 25%,
        var(--bg-card-hover) 50%,
        var(--bg-card) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: rotate 0.8s linear infinite;
}

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

.loading-dots span {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: bounce 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;
}

/* ==========================================
   Scroll-triggered Animations
   ========================================== */

/* Hidden state for scroll animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Staggered children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

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

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   Special Effects
   ========================================== */

/* Gradient text animation */
.animated-gradient-text {
    background: linear-gradient(
        90deg,
        var(--primary),
        var(--accent),
        var(--primary-light),
        var(--accent)
    );
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textGradient 5s ease infinite;
}

/* Neon glow effect */
.neon-glow {
    text-shadow:
        0 0 5px var(--accent),
        0 0 10px var(--accent),
        0 0 20px var(--accent),
        0 0 40px var(--accent);
}

/* Card tilt effect (requires JS) */
.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

/* Ripple effect on click */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: transform 0.5s ease;
}

.ripple:active::after {
    transform: translate(-50%, -50%) scale(2);
    opacity: 0;
    transition: transform 0.5s ease, opacity 0.5s ease;
}

/* ==========================================
   Transition Delays (Utility Classes)
   ========================================== */

.delay-100 { transition-delay: 0.1s !important; }
.delay-200 { transition-delay: 0.2s !important; }
.delay-300 { transition-delay: 0.3s !important; }
.delay-400 { transition-delay: 0.4s !important; }
.delay-500 { transition-delay: 0.5s !important; }
.delay-600 { transition-delay: 0.6s !important; }
.delay-700 { transition-delay: 0.7s !important; }
.delay-800 { transition-delay: 0.8s !important; }

/* ==========================================
   Animation Durations (Utility Classes)
   ========================================== */

.duration-fast { animation-duration: 0.3s !important; }
.duration-normal { animation-duration: 0.5s !important; }
.duration-slow { animation-duration: 0.8s !important; }
.duration-slower { animation-duration: 1.2s !important; }

/* ==========================================
   Reduced Motion
   ========================================== */

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

    .scroll-animate {
        opacity: 1;
        transform: none;
    }
}