/*===========================================
   Professional Animations for Akash's Portfolio
===========================================*/

/*------------------------------------------
   FADE ANIMATIONS
------------------------------------------*/
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.fade-out {
    animation: fadeOut 0.5s ease forwards;
}

/*------------------------------------------
   SLIDE ANIMATIONS
------------------------------------------*/
@keyframes slideInLeft {
    from {
        transform: translateX(-30px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

@keyframes slideInUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease forwards;
}

.slide-in-right {
    animation: slideInRight 0.5s ease forwards;
}

.slide-in-up {
    animation: slideInUp 0.5s ease forwards;
}

.slide-in-down {
    animation: slideInDown 0.5s ease forwards;
}

/*------------------------------------------
   ROTATE ANIMATIONS (SIMPLIFIED)
------------------------------------------*/
@keyframes rotate360 {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.rotate-360 {
    animation: rotate360 1.5s linear infinite;
}

/*------------------------------------------
   SCALE ANIMATIONS (SIMPLIFIED)
------------------------------------------*/
@keyframes scaleUp {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.scale-up {
    animation: scaleUp 0.4s ease forwards;
}

/*------------------------------------------
   TEXT ANIMATIONS (SIMPLIFIED)
------------------------------------------*/
@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    from { border-right-color: rgba(255, 255, 255, 0.75); }
    to { border-right-color: transparent; }
}

.typewriter {
    overflow: hidden;
    white-space: nowrap;
    border-right: 2px solid rgba(255, 255, 255, 0.75);
    width: 0;
    animation: 
        typewriter 2s steps(40) forwards,
        blink 0.8s step-end infinite alternate;
}

/*------------------------------------------
   HOVER EFFECTS
------------------------------------------*/
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

.hover-scale {
    transition: transform 0.3s ease;
}

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

/*------------------------------------------
   PAGE TRANSITIONS
------------------------------------------*/
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-dark);
    z-index: 9999;
    pointer-events: none;
    transform: scaleY(0);
    transform-origin: top;
}

.page-transition.enter {
    transform: scaleY(1);
    transition: transform 0.4s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.page-transition.exit {
    transform-origin: bottom;
    transform: scaleY(0);
    transition: transform 0.4s cubic-bezier(0.645, 0.045, 0.355, 1);
}

/*------------------------------------------
   SCROLL ANIMATIONS
------------------------------------------*/
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/*------------------------------------------
   LOADER ANIMATIONS
------------------------------------------*/
.skeleton-loader {
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.05) 25%, 
        rgba(255, 255, 255, 0.1) 50%, 
        rgba(255, 255, 255, 0.05) 75%);
    background-size: 200% 100%;
    animation: skeletonLoading 1.5s infinite;
}

@keyframes skeletonLoading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/*------------------------------------------
   IMAGE EFFECTS
------------------------------------------*/
.img-grayscale {
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.img-grayscale:hover {
    filter: grayscale(0%);
}

.img-blur {
    filter: blur(3px);
    transition: filter 0.3s ease;
}

.img-blur:hover {
    filter: blur(0);
}

.img-reveal {
    clip-path: inset(0 100% 0 0);
    transition: clip-path 1s ease;
}

.img-reveal.active {
    clip-path: inset(0);
}