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

/* Pulse animation for loading icon */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.7;
    }
}

/* Scroll indicator wheel animation */
@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

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

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

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

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

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

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

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

/* Glow pulse */
@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
    }
    50% {
        box-shadow: 0 0 40px rgba(139, 92, 246, 0.8);
    }
}

/* Shimmer effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Holographic gradient animation */
@keyframes holographic {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

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

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

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

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

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

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

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

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

/* ==========================================
   Delayed Animations
   ========================================== */

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.delay-4 {
    animation-delay: 0.4s;
}

.delay-5 {
    animation-delay: 0.5s;
}

/* ==========================================
   Hover & Transition Effects
   ========================================== */

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

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
}

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

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

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

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.6);
}

/* ==========================================
   Smooth Transitions
   ========================================== */

.smooth-transition {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.smooth-transition-slow {
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.skeleton-loading {
    background: linear-gradient(
        90deg,
        rgba(139, 92, 246, 0.1) 25%,
        rgba(139, 92, 246, 0.2) 50%,
        rgba(139, 92, 246, 0.1) 75%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* ==========================================
   Scroll-triggered Animation Classes
   ========================================== */

.reveal {
    opacity: 0;
    transform: translateY(50px);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   Glassmorphism Effect
   ========================================== */

.glass {
    background: rgba(139, 92, 246, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.glass-strong {
    background: rgba(139, 92, 246, 0.2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

/* ==========================================
   Gradient Animation
   ========================================== */

.gradient-animated {
    background-size: 200% 200%;
    animation: holographic 5s ease infinite;
}

/* ==========================================
   Particle Effect (for decorative elements)
   ========================================== */

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

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-purple);
    border-radius: 50%;
    animation: particles 10s linear infinite;
}

/* ==========================================
   Text Animations
   ========================================== */

.text-gradient {
    background: linear-gradient(135deg, var(--primary-purple), var(--magenta), var(--violet));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: holographic 5s ease infinite;
}

.text-glow {
    text-shadow: 0 0 20px rgba(139, 92, 246, 0.5),
                 0 0 40px rgba(139, 92, 246, 0.3);
}

/* ==========================================
   Button Animations
   ========================================== */

.btn-shimmer {
    position: relative;
    overflow: hidden;
}

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

/* ==========================================
   Performance Optimizations
   ========================================== */

/* Enable hardware acceleration for animations */
.gpu-accelerated {
    transform: translateZ(0);
    will-change: transform, opacity;
}

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