/* Animations CSS - Combined animations and scroll animations */

/* Fade Animations */
@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fade-out {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* Slide Animations */
@keyframes slide-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slide-in-down {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Modal Animations */
@keyframes modal-in {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes modal-out {
    from {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
    to {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
}

@keyframes modal-overlay-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes modal-overlay-out {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* Scale Animations */
@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scale-out {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.95);
    }
}

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

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(0.95);
        opacity: 0.7;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

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

/* Header Animations */
@keyframes header-slide-down {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes header-slide-up {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(-100%);
    }
}

/* Navigation Animations */
@keyframes nav-item-enter {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animation Utility Classes */
.fade-in {
    animation: fade-in 0.2s ease-out forwards;
}

.header-reveal {
    animation: header-slide-down 0.3s ease-out forwards;
}

.header-hide {
    animation: header-slide-up 0.3s ease-out forwards;
}

.nav-item-animate {
    animation: nav-item-enter 0.3s ease-out forwards;
    animation-delay: calc(var(--item-index, 0) * 0.05s);
}

.fade-out {
    animation: fade-out 0.2s ease-out forwards;
}

.slide-in-up {
    animation: slide-in-up 0.3s ease-out forwards;
}

.slide-in-down {
    animation: slide-in-down 0.3s ease-out forwards;
}

.slide-in-left {
    animation: slide-in-left 0.3s ease-out forwards;
}

.slide-in-right {
    animation: slide-in-right 0.3s ease-out forwards;
}

.scale-in {
    animation: scale-in 0.3s ease-out forwards;
}

.scale-out {
    animation: scale-out 0.3s ease-out forwards;
}

/* Loading States */
.loading-spin {
    animation: spin 1s linear infinite;
}

.loading-pulse {
    animation: pulse 1.5s ease-in-out infinite;
}

.loading-shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.03),
        rgba(255, 255, 255, 0.08),
        rgba(255, 255, 255, 0.03)
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Scroll Animation Base */
[data-scroll] {
    opacity: 0;
    transition: all 0.6s ease;
    transition-delay: calc(var(--scroll-delay, 0) * 100ms);
}

[data-scroll].is-visible {
    opacity: 1;
    transform: translate(0, 0) scale(1) !important;
}

/* Scroll Animation Variants */
[data-scroll="fade"] {
    opacity: 0;
}

[data-scroll="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
}

[data-scroll="fade-down"] {
    opacity: 0;
    transform: translateY(-30px);
}

[data-scroll="fade-left"] {
    opacity: 0;
    transform: translateX(-30px);
}

[data-scroll="fade-right"] {
    opacity: 0;
    transform: translateX(30px);
}

[data-scroll="scale"] {
    opacity: 0;
    transform: scale(0.95);
}

[data-scroll="scale-up"] {
    opacity: 0;
    transform: scale(0.95) translateY(30px);
}

[data-scroll="scale-down"] {
    opacity: 0;
    transform: scale(0.95) translateY(-30px);
}

/* Scroll Animation Stagger */
[data-scroll-stagger] > * {
    opacity: 0;
    transition: all 0.6s ease;
}

[data-scroll-stagger].is-visible > * {
    opacity: 1;
    transform: translate(0, 0) scale(1) !important;
}

[data-scroll-stagger] > *:nth-child(1) { --scroll-delay: 1; }
[data-scroll-stagger] > *:nth-child(2) { --scroll-delay: 2; }
[data-scroll-stagger] > *:nth-child(3) { --scroll-delay: 3; }
[data-scroll-stagger] > *:nth-child(4) { --scroll-delay: 4; }
[data-scroll-stagger] > *:nth-child(5) { --scroll-delay: 5; }
[data-scroll-stagger] > *:nth-child(6) { --scroll-delay: 6; }
[data-scroll-stagger] > *:nth-child(7) { --scroll-delay: 7; }
[data-scroll-stagger] > *:nth-child(8) { --scroll-delay: 8; }
[data-scroll-stagger] > *:nth-child(9) { --scroll-delay: 9; }
[data-scroll-stagger] > *:nth-child(10) { --scroll-delay: 10; }

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    [data-scroll],
    [data-scroll-stagger] > *,
    .fade-in,
    .fade-out,
    .slide-in-up,
    .slide-in-down,
    .slide-in-left,
    .slide-in-right,
    .scale-in,
    .scale-out,
    .loading-spin,
    .loading-pulse,
    .loading-shimmer {
        animation: none !important;
        transition: none !important;
        transform: none !important;
    }
}

/* High Contrast Mode */
@media (forced-colors: active) {
    .loading-shimmer {
        background: none;
        animation: none;
    }
}