/* =======================================================
   MODERN ANIMATIONS & INTERACTIONS
   Global animation utilities and modern effects
======================================================= */

/* =======================================================
   REVEAL ANIMATIONS
======================================================= */
.reveal {
    opacity: 0;
    transform: translateY(2rem);
    transition:
        opacity var(--duration-slow) var(--ease-smooth),
        transform var(--duration-slow) var(--ease-smooth);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-5rem);
    transition:
        opacity var(--duration-slow) var(--ease-smooth),
        transform var(--duration-slow) var(--ease-smooth);
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(5rem);
    transition:
        opacity var(--duration-slow) var(--ease-smooth),
        transform var(--duration-slow) var(--ease-smooth);
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition:
        opacity var(--duration-slow) var(--ease-smooth),
        transform var(--duration-slow) var(--ease-smooth);
}

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


/* =======================================================
   STAGGER DELAYS
======================================================= */
.stagger-1 {
    transition-delay: 100ms;
}

.stagger-2 {
    transition-delay: 200ms;
}

.stagger-3 {
    transition-delay: 300ms;
}

.stagger-4 {
    transition-delay: 400ms;
}

.stagger-5 {
    transition-delay: 500ms;
}

.stagger-6 {
    transition-delay: 600ms;
}


/* =======================================================
   PARALLAX EFFECT
======================================================= */
.parallax-bg {
    will-change: transform;
    transition: transform 0.05s linear;
}


/* =======================================================
   MAGNETIC HOVER (para buttons/links)
======================================================= */
.magnetic {
    position: relative;
    transition: transform var(--duration-fast) var(--ease-smooth);
}

.magnetic:hover {
    transform: translateY(-2px);
}


/* =======================================================
   RIPPLE EFFECT
======================================================= */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--duration-base) var(--ease-smooth),
        height var(--duration-base) var(--ease-smooth);
}

.ripple:active::after {
    width: 200px;
    height: 200px;
}


/* =======================================================
   GLOWING EFFECT
======================================================= */
.glow {
    position: relative;
}

.glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, var(--action-primary), var(--accent-hover));
    border-radius: inherit;
    opacity: 0;
    filter: blur(10px);
    transition: opacity var(--duration-base) var(--ease-smooth);
    z-index: -1;
}

.glow:hover::before {
    opacity: 0.7;
}


/* =======================================================
   3D CARD EFFECT
======================================================= */
.card-3d {
    transform-style: preserve-3d;
    transition: transform var(--duration-base) var(--ease-smooth);
}

.card-3d:hover {
    transform: rotateX(5deg) rotateY(5deg) scale(1.02);
}


/* =======================================================
   SHIMMER EFFECT
======================================================= */
.shimmer {
    position: relative;
    overflow: hidden;
}

.shimmer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.2),
            transparent);
    transition: left 0.6s var(--ease-smooth);
}

.shimmer:hover::before {
    left: 100%;
}


/* =======================================================
   PULSE ANIMATION
======================================================= */
@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.pulse {
    animation: pulse 2s var(--ease-smooth) infinite;
}


/* =======================================================
   BOUNCE ANIMATION
======================================================= */
@keyframes bounce {

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

    50% {
        transform: translateY(-10px);
    }
}

.bounce {
    animation: bounce 1s var(--ease-smooth) infinite;
}


/* =======================================================
   SLIDE IN ANIMATIONS
======================================================= */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}


/* =======================================================
   SCALE/ZOOM ANIMATIONS
======================================================= */
@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

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

@keyframes zoomOut {
    from {
        opacity: 1;
        transform: scale(1);
    }

    to {
        opacity: 0;
        transform: scale(0.9);
    }
}


/* =======================================================
   GRADIENT ANIMATION
======================================================= */
@keyframes gradientShift {

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

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

.gradient-animated {
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}


/* =======================================================
   FLOATING ANIMATION
======================================================= */
@keyframes floating {

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

    50% {
        transform: translateY(-10px);
    }
}

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


/* =======================================================
   REDUCED MOTION FALLBACKS
======================================================= */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .parallax-bg {
        transform: none !important;
    }

    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale {
        opacity: 1 !important;
        transform: none !important;
    }
}


/* =======================================================
   LOADING SPINNER (Optional)
======================================================= */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--action-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}