/* ==========================================================================
   KAMEU New - Animations & Transitions
   ========================================================================== */

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

@keyframes kn-fade-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

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

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

/* ── Scale ── */
@keyframes kn-scale-in {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

/* ── Slide ── */
@keyframes kn-slide-down {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

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

/* ── Pulse ── */
@keyframes kn-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes kn-pulse-glow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ── Spin ── */
@keyframes kn-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ── Bounce ── */
@keyframes kn-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* ── Skeleton Loading ── */
@keyframes kn-skeleton {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

.kn-skeleton {
    background: linear-gradient(90deg, var(--kn-gray-100) 0%, var(--kn-gray-50) 50%, var(--kn-gray-100) 100%);
    background-size: 200px 100%;
    animation: kn-skeleton 1.5s ease-in-out infinite;
    border-radius: var(--kn-radius-sm);
}

/* ── Intersection Observer Animations ── */
.kn-animate {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms var(--kn-ease), transform 600ms var(--kn-ease);
}

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

.kn-animate--delay-1 { transition-delay: 100ms; }
.kn-animate--delay-2 { transition-delay: 200ms; }
.kn-animate--delay-3 { transition-delay: 300ms; }
.kn-animate--delay-4 { transition-delay: 400ms; }

/* ── Added to cart animation ── */
@keyframes kn-added-to-cart {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.kn-header__cart-count.is-updated {
    animation: kn-added-to-cart 400ms var(--kn-ease);
}