/* ==========================================================================
   ROBOTFINGER DIGITAL — Animations
   ========================================================================== */

/* ── Keyframes ── */
@keyframes rf-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.5; transform: scale(1.5); }
}

@keyframes rf-fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes rf-fade-in-left {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes rf-fade-in-right {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes rf-scale-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes rf-float {
    0%, 100% { transform: translateY(0px); }
    50%      { transform: translateY(-10px); }
}

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

@keyframes rf-rotate-slow {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes rf-typing {
    from { width: 0; }
    to   { width: 100%; }
}

@keyframes rf-blink {
    0%, 100% { border-color: transparent; }
    50%      { border-color: var(--rf-primary-light); }
}

@keyframes rf-gradient-shift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes rf-count-up {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Scroll-triggered animation base ── */
.rf-animate-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.rf-animate-in.rf-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.rf-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.rf-stagger.rf-visible > *:nth-child(1) { transition-delay: 0.0s; }
.rf-stagger.rf-visible > *:nth-child(2) { transition-delay: 0.1s; }
.rf-stagger.rf-visible > *:nth-child(3) { transition-delay: 0.2s; }
.rf-stagger.rf-visible > *:nth-child(4) { transition-delay: 0.3s; }
.rf-stagger.rf-visible > *:nth-child(5) { transition-delay: 0.4s; }
.rf-stagger.rf-visible > *:nth-child(6) { transition-delay: 0.5s; }

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

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

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

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

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

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

.rf-skeleton-card {
    height: 350px;
    border-radius: var(--rf-radius-lg);
}

.rf-skeleton-text {
    height: 16px;
    margin-bottom: 8px;
}

.rf-skeleton-text:last-child {
    width: 60%;
}

/* ── Gradient text animation ── */
.rf-gradient-text {
    background: linear-gradient(135deg, var(--rf-primary), var(--rf-secondary), var(--rf-accent), var(--rf-primary));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: rf-gradient-shift 6s ease infinite;
}

/* ── Floating elements ── */
.rf-float {
    animation: rf-float 3s ease-in-out infinite;
}

.rf-float-delayed {
    animation: rf-float 3s ease-in-out infinite;
    animation-delay: 1s;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
    .rf-animate-in,
    .rf-stagger > *,
    .rf-float,
    .rf-float-delayed {
        animation: none !important;
        transition: none !important;
        opacity: 1 !important;
        transform: none !important;
    }

    .rf-pulse {
        animation: none;
    }
}