/* Scroll Animation Styles */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    transition-delay: var(--animation-delay, 0s);
}

.animate-on-scroll.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Fade in animation */
.fade-in {
    opacity: 0;
    animation-fill-mode: forwards;
}

.fade-in.animate {
    animation: fadeIn 0.8s ease forwards;
    animation-delay: var(--animation-delay, 0s);
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* Slide up animation */
.slide-up {
    opacity: 0;
    transform: translateY(40px);
    animation-fill-mode: forwards;
}

.slide-up.animate {
    animation: slideUp 0.8s ease forwards;
    animation-delay: var(--animation-delay, 0s);
}

@keyframes slideUp {
    0% {
        opacity: 0;
        transform: translateY(40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide in from left animation */
.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation-fill-mode: forwards;
}

.slide-in-left.animate {
    animation: slideInLeft 0.8s ease forwards;
    animation-delay: var(--animation-delay, 0s);
}

@keyframes slideInLeft {
    0% {
        opacity: 0;
        transform: translateX(-50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide in from right animation */
.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation-fill-mode: forwards;
}

.slide-in-right.animate {
    animation: slideInRight 0.8s ease forwards;
    animation-delay: var(--animation-delay, 0s);
}

@keyframes slideInRight {
    0% {
        opacity: 0;
        transform: translateX(50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Zoom in animation */
.zoom-in {
    opacity: 0;
    transform: scale(0.9);
    animation-fill-mode: forwards;
}

.zoom-in.animate {
    animation: zoomIn 0.8s ease forwards;
    animation-delay: var(--animation-delay, 0s);
}

@keyframes zoomIn {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Section-specific animations */

/* Carousel section */
.carousel-title.animate-on-scroll {
    transition-delay: 0.1s;
}

.project-card.animate-on-scroll {
    transition-delay: var(--animation-delay, 0s);
}

/* Timeline section */
.roadmap-title.animate-on-scroll {
    transition-delay: 0.1s;
}

.timeline-item {
    transition-delay: calc(var(--animation-delay) + 0.1s);
}

/* Calendar section */
.calendar-title.animate-on-scroll {
    transition-delay: 0.1s;
}

.calendar-nav.animate-on-scroll {
    transition-delay: 0.2s;
}

.calendar-grid.animate-on-scroll {
    transition-delay: 0.3s;
}

.events-list.animate-on-scroll {
    transition-delay: 0.4s;
}

/* Footer animation */
.footer-section.animate-on-scroll {
    transition-delay: var(--animation-delay, 0s);
}