.fade-in { animation: fadeIn 0.4s ease forwards; }
.fade-in-up { animation: fadeInUp 0.5s ease forwards; }
.fade-in-left { animation: fadeInLeft 0.5s ease forwards; }
.fade-in-right { animation: fadeInRight 0.5s ease forwards; }
.scale-in { animation: scaleIn 0.3s ease forwards; }
.slide-up { animation: slideUp 0.4s ease forwards; }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInLeft { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.animate-on-scroll.animated { opacity: 1; transform: translateY(0); }

.hover-lift { transition: transform 0.3s ease, box-shadow 0.3s ease; }
.hover-lift:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }

.hover-scale { transition: transform 0.3s ease; }
.hover-scale:hover { transform: scale(1.02); }

.btn-ripple { position: relative; overflow: hidden; }
.btn-ripple::after {
    content: '';
    position: absolute;
    width: 100%; height: 100%;
    top: 0; left: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 10%, transparent 10.01%);
    transform: scale(10);
    opacity: 0;
    transition: transform 0.5s, opacity 1s;
}
.btn-ripple:active::after { transform: scale(0); opacity: 0.3; transition: 0s; }

.stagger-animation > * { opacity: 0; animation: fadeInUp 0.5s ease forwards; }
.stagger-animation > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-animation > *:nth-child(6) { animation-delay: 0.3s; }
.stagger-animation > *:nth-child(7) { animation-delay: 0.35s; }
.stagger-animation > *:nth-child(8) { animation-delay: 0.4s; }

.skeleton-text { height: 14px; margin-bottom: 8px; border-radius: 4px; }
.skeleton-title { height: 20px; width: 60%; margin-bottom: 12px; border-radius: 4px; }
.skeleton-image { aspect-ratio: 1; border-radius: 8px; }
.skeleton-btn { height: 40px; border-radius: 8px; }

.pulse { animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }

.shake { animation: shake 0.5s ease-in-out; }
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }

.bounce-in { animation: bounceIn 0.5s ease; }
@keyframes bounceIn { 0% { transform: scale(0.3); opacity: 0; } 50% { transform: scale(1.05); } 70% { transform: scale(0.9); } 100% { transform: scale(1); opacity: 1; } }

.heart-beat { animation: heartBeat 0.3s ease; }
@keyframes heartBeat { 0% { transform: scale(1); } 50% { transform: scale(1.3); } 100% { transform: scale(1); } }

.counter-animate { display: inline-block; }

.img-zoom-container { overflow: hidden; cursor: zoom-in; }
.img-zoom-container img { transition: transform 0.5s ease; }
.img-zoom-container:hover img { transform: scale(1.5); }

.smooth-collapse { overflow: hidden; max-height: 0; transition: max-height 0.4s ease, opacity 0.3s ease; opacity: 0; }
.smooth-collapse.open { max-height: 1000px; opacity: 1; }

.progress-bar-animated {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}
.progress-bar-animated .bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
    transition: width 0.6s ease;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    .animate-on-scroll { opacity: 1; transform: none; }
}