/* Keyframe Animations */
@keyframes rotate {
    0% {
        transform: rotateY(0deg);
    }
    100% {
        transform: rotateY(360deg);
    }
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glow {
    0% {
        box-shadow: 0 0 5px #00A7D4;
    }
    50% {
        box-shadow: 0 0 20px #00A7D4, 0 0 30px #A341D1;
    }
    100% {
        box-shadow: 0 0 5px #00A7D4;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

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

/* Animation Classes */
.fade-in {
    animation: fadeIn 1s ease forwards;
}

.glow {
    animation: glow 2s infinite;
}

.pulse {
    animation: pulse 2s infinite;
}

.slide-in {
    animation: slideIn 0.5s ease forwards;
}

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

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.ripple:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

.spotlight {
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 200% 100%;
    animation: spotlight 2s linear infinite;
}

/* Timeline Item Animations */
.timeline-item {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.5s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Counter Animation */
.counter-value {
    transition: all 0.5s ease;
}

/* Event Card Hover Effects */
.event-card {
    transform: translateY(0);
    transition: all 0.3s ease;
}

.event-card:hover {
    transform: translateY(-10px);
}

/* Scratch Reveal Animation */
.scratch-reveal {
    animation: fadeIn 1s ease forwards;
}

/* Music Toggle Animation */
.music-toggle {
    transition: all 0.3s ease;
}

.music-toggle.playing {
    animation: pulse 1s infinite;
}

/* Button Hover Effects */
.btn-primary, .btn-secondary, .btn-hero {
    position: relative;
    overflow: hidden;
}

.btn-primary::before, .btn-secondary::before, .btn-hero::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: all 0.5s ease;
}

.btn-primary:hover::before, .btn-secondary:hover::before, .btn-hero:hover::before {
    left: 100%;
}

/* Navbar Scroll Animation */
.navbar.scrolled {
    padding: 0.5rem 0;
    background-color: rgba(0, 0, 0, 0.15);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Confetti Animation */
.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    opacity: 0;
    animation: confetti-fall 5s linear forwards;
}

@keyframes confetti-fall {
    0% {
        transform: translateY(-10px) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}