/* ═══════════════════════════════════════════════════════════
   IJS Website - Animations
   AOS overrides, scroll-triggered effects, transitions
   ═══════════════════════════════════════════════════════════ */

/* ── AOS Overrides ── */
[data-aos] {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

/* ── Custom Scroll Animations ── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ── Stagger Children ── */
.stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.stagger.visible > *:nth-child(1) { transition-delay: 0.1s; }
.stagger.visible > *:nth-child(2) { transition-delay: 0.2s; }
.stagger.visible > *:nth-child(3) { transition-delay: 0.3s; }
.stagger.visible > *:nth-child(4) { transition-delay: 0.4s; }
.stagger.visible > *:nth-child(5) { transition-delay: 0.5s; }
.stagger.visible > *:nth-child(6) { transition-delay: 0.6s; }

.stagger.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ── Counter Animation ── */
.counter {
    font-family: var(--font-heading);
    font-weight: var(--weight-extrabold);
}

/* ── Hover Effects ── */
.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

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

.hover-scale:hover {
    transform: scale(1.03);
}

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

.hover-glow:hover {
    box-shadow: 0 0 20px var(--ijs-primary-light);
}

/* ── Image Hover ── */
.img-hover-zoom {
    overflow: hidden;
}

.img-hover-zoom img {
    transition: transform var(--transition-slow);
}

.img-hover-zoom:hover img {
    transform: scale(1.1);
}

/* ── Loading Skeleton ── */
.skeleton {
    background: linear-gradient(90deg, var(--ijs-bg-gray) 25%, var(--ijs-bg-dark) 50%, var(--ijs-bg-gray) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

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

/* ── Pulse ── */
.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ── Spin ── */
.spin {
    animation: spin 1s linear infinite;
}

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

/* ── Fade In Up (for page load) ── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ── Slide In from Left ── */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* ── Parallax (subtle) ── */
.parallax-bg {
    will-change: transform;
}

/* ── Button Loading Spinner ── */
.btn.is-loading {
    position: relative;
    pointer-events: none;
    color: transparent !important;
}

.btn.is-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 18px;
    margin: -9px 0 0 -9px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-outline.is-loading::after,
.btn-ghost.is-loading::after {
    border-color: rgba(0, 0, 0, 0.12);
    border-top-color: var(--ijs-primary);
}

/* ── CTA Pulse Attention ── */
.btn-pulse {
    animation: btnPulse 2s ease-in-out 3;
}

@keyframes btnPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(208, 17, 100, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(208, 17, 100, 0); }
}

/* ── Lazy Image Fade-In ── */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.4s ease;
}

img[loading="lazy"].loaded,
img.loaded {
    opacity: 1;
}

/* Prevent AOS elements from also fading (AOS handles its own opacity) */
[data-aos] img[loading="lazy"] {
    opacity: 1;
    transition: none;
}