/* ===============================================
   GOLF CLUBBER - ANIMATIONS
   =============================================== */

/* === FADE ANIMATIONS === */

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* === SCALE ANIMATIONS === */

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

@keyframes scaleUp {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}

/* === SLIDE ANIMATIONS === */

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

/* === SPECIAL ANIMATIONS === */

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

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

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

/* === ANIMATION CLASSES === */

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-up {
    animation: fadeInUp 1s ease-out;
}

.animate-fade-in-down {
    animation: fadeInDown 1s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 1s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 1s ease-out;
}

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

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

.animate-wave {
    animation: wave 2s ease-in-out infinite;
}

/* === DELAY CLASSES === */

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

/* === TRANSITION UTILITIES === */

.transition-all {
    transition: all var(--transition-base);
}

.transition-fast {
    transition: all var(--transition-fast);
}

.transition-slow {
    transition: all var(--transition-slow);
}

/* === HOVER EFFECTS === */

.hover-lift {
    transition: var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.hover-scale {
    transition: var(--transition-base);
}

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

.hover-brightness {
    transition: var(--transition-base);
}

.hover-brightness:hover {
    filter: brightness(1.1);
}

.hover-opacity {
    transition: var(--transition-base);
}

.hover-opacity:hover {
    opacity: 0.8;
}

/* === SCROLL REVEAL === */

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* === LOADING SPINNER === */

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-bg-alt);
    border-top-color: var(--color-green);
    border-radius: 50%;
    animation: rotate 1s linear infinite;
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 6px;
}

/* === SKELETON LOADING === */

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-bg-alt) 0%,
        var(--color-bg-dark) 50%,
        var(--color-bg-alt) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite linear;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 16px;
    margin-bottom: var(--space-xs);
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: var(--space-sm);
}

.skeleton-card {
    height: 200px;
}

/* === PROGRESS BAR === */

@keyframes progress {
    from {
        width: 0%;
    }
    to {
        width: 100%;
    }
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--color-green);
    animation: progress 2s ease-out;
}

/* === MODAL ANIMATIONS === */

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

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

.modal-backdrop {
    animation: modalFadeIn 0.3s ease-out;
}

.modal-content {
    animation: modalSlideUp 0.3s ease-out;
}

/* === ACCESSIBILITY === */

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scroll-reveal {
        opacity: 1;
        transform: none;
    }
}