/* 
 * animations.css
 * AIMG Conference 2026
 */

/* Scroll Reveal Base */
.reveal-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 600ms ease-out, transform 600ms ease-out;
    will-change: opacity, transform;
}

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

/* Staggered Delays */
.reveal-element--delay-1 { transition-delay: 100ms; }
.reveal-element--delay-2 { transition-delay: 200ms; }
.reveal-element--delay-3 { transition-delay: 300ms; }
.reveal-element--delay-4 { transition-delay: 400ms; }

/* Scale Variant */
.reveal-element--scale {
    transform: translateY(30px) scale(0.95);
}
.reveal-element--scale.revealed {
    transform: translateY(0) scale(1);
}

/* Keyframes */
@keyframes charkhaRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

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

@keyframes slideInLeft {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    0% {
        opacity: 0;
        transform: translateX(30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Tab Transitions */
.page-turn {
    transform: perspective(1000px) rotateY(-5deg);
    opacity: 0.8;
    transition: transform 0.4s ease, opacity 0.4s ease;
}
.tab-pane.active .page-turn {
    transform: perspective(1000px) rotateY(0deg);
    opacity: 1;
}

/* Hover Micro-interactions */
.speaker-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.speaker-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.subtheme-card {
    transition: border-color 0.3s ease;
}
.subtheme-card:hover {
    border-color: var(--color-saffron);
}

.btn {
    transition: transform 0.2s ease, background-color 0.3s ease, color 0.3s ease;
}
.btn:hover {
    transform: scale(1.02);
}

/* Focus States */
:focus-visible {
    outline: 2px solid var(--color-saffron) !important;
    outline-offset: 2px !important;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .reveal-element {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}