/* Base Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-100px);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(100px);
}

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

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

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

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

/* Element Specific Animations */
.hero-title {
    animation: slideUp 1.5s ease forwards;
}

.hero-date {
    animation: fadeIn 1.5s ease forwards 0.5s;
}

.hero-subtitle {
    animation: slideUp 1.5s ease forwards 1s;
}

.concept-card {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.concept-card:hover {
    transform: scale(1.05) translateZ(30px);
}

.spec-card {
    animation: float 6s ease-in-out infinite;
}

.timeline-item {
    transition: all 0.3s ease;
}

.timeline-item:hover {
    transform: scale(1.02);
}