/* Animation Keyframes */
@keyframes gradient {
    0%, 100% { 
        background-position: 0% 50%; 
    }
    50% { 
        background-position: 100% 50%; 
    }
}

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

@keyframes pulse-slow {
    0%, 100% { 
        opacity: 0.2; 
    }
    50% { 
        opacity: 0.4; 
    }
}

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

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

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

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

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

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

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

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

/* Animation Classes */
.animate-gradient {
    animation: gradient 8s linear infinite;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-pulse-slow {
    animation: pulse-slow 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-slide-left {
    animation: slideInLeft 0.8s ease-out forwards;
}

.animate-slide-right {
    animation: slideInRight 0.8s ease-out forwards;
}

.animate-slide-up {
    animation: slideInUp 0.8s ease-out forwards;
}

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

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

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

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

/* Animation Delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }
.delay-700 { animation-delay: 700ms; }
.delay-800 { animation-delay: 800ms; }

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

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

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

.hover-rotate:hover {
    animation: rotate 0.5s ease;
}

/* Loading Shimmer Effect */
.shimmer {
    background: linear-gradient(90deg, 
        rgba(255,255,255,0) 0%, 
        rgba(255,255,255,0.1) 50%, 
        rgba(255,255,255,0) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

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

/* Skill Bar Animation Trigger */
.skill-bar-animate {
    width: 0 !important;
}

.skill-bar-animate.active {
    width: var(--skill-width) !important;
}

/* Parallax Elements */
.parallax {
    will-change: transform;
}

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