@keyframes sparkleEffect {
    0%, 100% {
        background-position: 0% 0%;
        opacity: 0.1;
    }
    25% {
        background-position: 100% 100%;
        opacity: 0.3;
    }
    50% {
        background-position: 100% 0%;
        opacity: 0.2;
    }
    75% {
        background-position: 0% 100%;
        opacity: 0.3;
    }
}

/* Additional booster pack animations and effects */
.booster-pack-section {
    position: relative;
}

.booster-pack-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400' viewBox='0 0 800 800'%3E%3Cg fill='none' stroke='%23FFD700' stroke-width='1'%3E%3Cpath d='M769 229L1037 260.9M927 880L731 737 520 660 309 538 40 599 295 764 126.5 879.5 40 599-197 493 102 382-31 229 126.5 79.5-69-63'/%3E%3Cpath d='M-31 229L237 261 390 382 603 493 308.5 537.5 101.5 381.5M370 905L295 764'/%3E%3Cpath d='M520 660L578 842 731 737 840 599 603 493 520 660 295 764 309 538 390 382 539 269 769 229 577.5 41.5 370 105 295 -36 126.5 79.5 237 261 102 382 40 599 -69 737 127 880'/%3E%3Cpath d='M520-140L578.5 42.5 731-63M603 493L539 269 237 261 370 105M902 382L539 269M390 382L102 382'/%3E%3Cpath d='M-222 42L126.5 79.5 370 105 539 269 577.5 41.5 927 80 769 229 902 382 603 493 731 737M295-36L577.5 41.5M578 842L295 764M40-201L127 80M102 382L-261 269'/%3E%3C/g%3E%3Cg fill='%23FFD700'%3E%3Ccircle cx='769' cy='229' r='5'/%3E%3Ccircle cx='539' cy='269' r='5'/%3E%3Ccircle cx='603' cy='493' r='5'/%3E%3Ccircle cx='731' cy='737' r='5'/%3E%3Ccircle cx='520' cy='660' r='5'/%3E%3Ccircle cx='309' cy='538' r='5'/%3E%3Ccircle cx='295' cy='764' r='5'/%3E%3Ccircle cx='40' cy='599' r='5'/%3E%3Ccircle cx='102' cy='382' r='5'/%3E%3Ccircle cx='127' cy='80' r='5'/%3E%3Ccircle cx='370' cy='105' r='5'/%3E%3Ccircle cx='578' cy='42' r='5'/%3E%3Ccircle cx='237' cy='261' r='5'/%3E%3Ccircle cx='390' cy='382' r='5'/%3E%3C/g%3E%3C/svg%3E");
    background-size: 800px 800px;
    opacity: 0.1;
    z-index: 1;
    pointer-events: none;
    animation: sparkleEffect 90s infinite linear;
}

/* Energy beam animation */
.booster-pack-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 65%, rgba(255, 215, 0, 0.15) 70%, transparent 80%);
    background-size: 200% 200%;
    animation: energyBeam 5s infinite linear;
    pointer-events: none;
    z-index: 0;
}

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

/* Rocket boost animation for the CTA button */
.booster-pack-section .btn-gold {
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.booster-pack-section .btn-gold::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 15px 20px 15px;
    border-color: transparent transparent rgba(255, 215, 0, 0.3) transparent;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.booster-pack-section .btn-gold:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.4);
}

.booster-pack-section .btn-gold:hover::after {
    opacity: 1;
    animation: rocketBoost 1s infinite alternate;
}

@keyframes rocketBoost {
    from { bottom: -25px; opacity: 0.3; }
    to { bottom: -35px; opacity: 0.7; }
}

/* Number effects */
.resource-number {
    position: relative;
}

.resource-number::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.resource-item:hover .resource-number::after {
    opacity: 1;
    animation: numberPulse 1.5s infinite alternate ease-in-out;
}

@keyframes numberPulse {
    from { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
    to { transform: translate(-50%, -50%) scale(1.5); opacity: 0.1; }
}

/* Enhance resource items with boost indicators */
.resource-item {
    position: relative;
}

.resource-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 0%;
    background: linear-gradient(to bottom, var(--gold-premium), var(--gold-rich));
    transition: height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.resource-item:hover::before {
    height: 100%;
}

/* Adding power level indicators */
.resource-content {
    position: relative;
}

.resource-content::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--gold-premium), transparent);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.resource-item:hover .resource-content::after {
    width: 100%;
}

/* Booster particles for JS animation */
.booster-particle {
    position: absolute;
    background: var(--gold-premium);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0; /* sits behind content */
    animation: floatParticle linear infinite;
    will-change: transform;
    mix-blend-mode: screen;
    filter: drop-shadow(0 0 6px rgba(255,215,0,0.5));
}

@keyframes floatParticle {
    0% { transform: translate3d(0,0,0); }
    25% { transform: translate3d(40px,-35px,0); }
    50% { transform: translate3d(80px,0,0); }
    75% { transform: translate3d(40px,35px,0); }
    100% { transform: translate3d(0,0,0); }
}

/* Entrance animations for resource items */
.resource-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Boost activation effect */
.boost-activated .resource-item {
    animation: activateBoost 0.5s forwards;
}

@keyframes activateBoost {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 rgba(255, 215, 0, 0);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
    }
}

/* Gold trail effect for CTA */
.booster-pack-section .btn-gold {
    position: relative;
}

.booster-pack-section .btn-gold::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.6), transparent);
    transition: left 0.7s ease;
    z-index: -1;
}

.booster-pack-section .btn-gold:hover::before {
    left: 100%;
}

/* Animation for section when it enters viewport */
.animate-boost {
    animation: sectionBoost 1s forwards;
}

@keyframes sectionBoost {
    0% {
        opacity: 0.7;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}