/* ==========================================================================
   ANIMATIONS - Keyframes, Transitions, and Effects
   ========================================================================== */

/* 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);
    }
}

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

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: 0 0 20px var(--glow-subtle);
    }

    50% {
        box-shadow: 0 0 40px var(--glow-primary), 0 0 60px var(--glow-subtle);
    }
}

@keyframes glow {

    0%,
    100% {
        filter: drop-shadow(0 0 20px var(--glow-subtle));
    }

    50% {
        filter: drop-shadow(0 0 40px var(--glow-primary));
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

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

    to {
        transform: rotate(360deg);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-25%);
    }
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* Animation classes */
.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 0.6s ease forwards;
}

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

.animate-pulse-glow {
    animation: pulseGlow 3s ease-in-out infinite;
}

.animate-glow {
    animation: glow 3s ease-in-out infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--ease-out-expo);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s var(--ease-out-expo);
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s var(--ease-out-expo);
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s var(--ease-out-expo);
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Staggered reveal */
.stagger-reveal>* {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s var(--ease-out-expo);
}

.stagger-reveal.revealed>*:nth-child(1) {
    transition-delay: 0.1s;
}

.stagger-reveal.revealed>*:nth-child(2) {
    transition-delay: 0.2s;
}

.stagger-reveal.revealed>*:nth-child(3) {
    transition-delay: 0.3s;
}

.stagger-reveal.revealed>*:nth-child(4) {
    transition-delay: 0.4s;
}

.stagger-reveal.revealed>*:nth-child(5) {
    transition-delay: 0.5s;
}

.stagger-reveal.revealed>*:nth-child(6) {
    transition-delay: 0.6s;
}

.stagger-reveal.revealed>* {
    opacity: 1;
    transform: translateY(0);
}

/* Hover effects */
.hover-lift {
    transition: transform var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

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

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

.hover-glow {
    transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
    box-shadow: var(--shadow-glow);
}

/* Transition delays */
.delay-100 {
    transition-delay: 100ms;
}

.delay-200 {
    transition-delay: 200ms;
}

.delay-300 {
    transition-delay: 300ms;
}

.delay-400 {
    transition-delay: 400ms;
}

.delay-500 {
    transition-delay: 500ms;
}

/* Neon text */
.neon-text {
    text-shadow: 0 0 5px var(--primary-light), 0 0 10px var(--primary-light), 0 0 20px var(--primary), 0 0 40px var(--primary);
}

/* Spinner */
.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}