/*
 * animations.css - 청년누수 애니메이션 스타일시트
 * 위치: /assets/css/animations.css
 */

/* ========== Keyframe Animations ========== */

/* 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 fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* Scale Animations */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleUp {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes pulseSoft {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Bounce Animations */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

/* Slide Animations */
@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

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

/* Rotation Animations */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes spinSlow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Float Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes floatSoft {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Glow Animations */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(102, 126, 234, 0.6);
    }
}

@keyframes glowText {
    0%, 100% {
        text-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
    }
    50% {
        text-shadow: 0 0 20px rgba(102, 126, 234, 0.6);
    }
}

/* Shimmer Animation */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Water Drop Animation */
@keyframes waterDrop {
    0% {
        transform: translateY(-100%) scale(0);
        opacity: 0;
    }
    50% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(100%) scale(0.5);
        opacity: 0;
    }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

/* Wave Animation */
@keyframes wave {
    0% {
        transform: translateX(0) translateZ(0) scaleY(1);
    }
    50% {
        transform: translateX(-25%) translateZ(0) scaleY(0.55);
    }
    100% {
        transform: translateX(-50%) translateZ(0) scaleY(1);
    }
}

/* Typing Animation */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

/* Counter Animation */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== Animation Classes ========== */

/* Fade Classes */
.animate-fadeIn {
    animation: fadeIn 0.6s ease forwards;
}

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

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

.animate-fadeInLeft {
    animation: fadeInLeft 0.6s ease forwards;
}

.animate-fadeInRight {
    animation: fadeInRight 0.6s ease forwards;
}

/* Scale Classes */
.animate-scaleIn {
    animation: scaleIn 0.5s ease forwards;
}

.animate-scaleUp {
    animation: scaleUp 0.5s ease forwards;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Bounce Classes */
.animate-bounce {
    animation: bounce 1s ease infinite;
}

.animate-bounceIn {
    animation: bounceIn 0.75s ease forwards;
}

/* Slide Classes */
.animate-slideInUp {
    animation: slideInUp 0.5s ease forwards;
}

.animate-slideInDown {
    animation: slideInDown 0.5s ease forwards;
}

.animate-slideInLeft {
    animation: slideInLeft 0.5s ease forwards;
}

.animate-slideInRight {
    animation: slideInRight 0.5s ease forwards;
}

/* Float Classes */
.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-floatSoft {
    animation: floatSoft 4s ease-in-out infinite;
}

/* Glow Classes */
.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

.animate-glowText {
    animation: glowText 2s ease-in-out infinite;
}

/* Spin Classes */
.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-spinSlow {
    animation: spinSlow 3s linear infinite;
}

/* Shimmer Effect */
.shimmer {
    background: linear-gradient(
        90deg,
        rgba(255,255,255,0) 0%,
        rgba(255,255,255,0.1) 50%,
        rgba(255,255,255,0) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

/* ========== Scroll Reveal Classes ========== */

/* Elements start hidden */
[data-animate] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fadeIn"] {
    opacity: 0;
}

[data-animate="fadeInUp"] {
    opacity: 0;
    transform: translateY(40px);
}

[data-animate="fadeInDown"] {
    opacity: 0;
    transform: translateY(-40px);
}

[data-animate="fadeInLeft"] {
    opacity: 0;
    transform: translateX(-40px);
}

[data-animate="fadeInRight"] {
    opacity: 0;
    transform: translateX(40px);
}

[data-animate="scaleIn"] {
    opacity: 0;
    transform: scale(0.9);
}

[data-animate="scaleUp"] {
    opacity: 0;
    transform: scale(0.5);
}

/* When element is in view */
[data-animate].in-view {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* Stagger Animation Delays */
[data-animate-delay="100"] { transition-delay: 0.1s; }
[data-animate-delay="200"] { transition-delay: 0.2s; }
[data-animate-delay="300"] { transition-delay: 0.3s; }
[data-animate-delay="400"] { transition-delay: 0.4s; }
[data-animate-delay="500"] { transition-delay: 0.5s; }
[data-animate-delay="600"] { transition-delay: 0.6s; }
[data-animate-delay="700"] { transition-delay: 0.7s; }
[data-animate-delay="800"] { transition-delay: 0.8s; }

/* ========== Hover Animations ========== */

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

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

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

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.4);
}

.hover-shine {
    position: relative;
    overflow: hidden;
}

.hover-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 100%
    );
    transition: left 0.5s ease;
}

.hover-shine:hover::before {
    left: 100%;
}

/* ========== Page Transition ========== */

.page-transition-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-transition-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.page-transition-exit {
    opacity: 1;
    transform: translateY(0);
}

.page-transition-exit-active {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* ========== Loading States ========== */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--dark-card) 25%,
        var(--dark-surface) 50%,
        var(--dark-card) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-title {
    height: 2em;
    width: 60%;
    margin-bottom: 1em;
}

.skeleton-image {
    height: 200px;
    width: 100%;
}

/* ========== Button Animations ========== */

.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

/* ========== Icon Animations ========== */

.icon-bounce {
    display: inline-block;
    animation: bounce 2s infinite;
}

.icon-pulse {
    display: inline-block;
    animation: pulse 1.5s infinite;
}

.icon-spin {
    display: inline-block;
    animation: spin 2s linear infinite;
}

.icon-float {
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

/* ========== Text Animations ========== */

.text-gradient-animate {
    background: linear-gradient(
        90deg,
        var(--primary),
        var(--accent),
        var(--secondary),
        var(--primary)
    );
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientMove 5s ease infinite;
}

@keyframes gradientMove {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Typewriter Effect */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary);
    white-space: nowrap;
    animation: typing 3s steps(30) forwards, blink 0.75s step-end infinite;
}

/* ========== Card Animations ========== */

.card-3d {
    perspective: 1000px;
    transform-style: preserve-3d;
}

.card-3d-inner {
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.card-3d:hover .card-3d-inner {
    transform: rotateY(10deg) rotateX(5deg);
}

/* ========== Number Counter ========== */

.counter-number {
    display: inline-block;
    animation: countUp 0.5s ease forwards;
}

/* ========== Water Theme Animations ========== */

.water-ripple {
    position: relative;
    overflow: hidden;
}

.water-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(14, 165, 233, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.water-ripple:hover::after {
    animation: ripple 0.6s ease-out;
}

/* Water Drop Effect */
.water-drops {
    position: relative;
}

.water-drops::before,
.water-drops::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 12px;
    background: var(--water-blue);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    opacity: 0;
}

.water-drops::before {
    left: 20%;
    animation: waterDrop 2s infinite 0s;
}

.water-drops::after {
    right: 20%;
    animation: waterDrop 2s infinite 1s;
}