/**
 * gofleet-animations.css
 * GoFleet – globale Animations- und Transition-Definitionen
 *
 * Inhalt:
 *   1. Keyframes (fadeInUp, glowPulse, dataFlow, skeletonShimmer)
 *   2. Scroll-Reveal Classes (.reveal / .is-revealed)
 *   3. Stagger-Delays für Grid-Kinder
 *   4. Motion-Reduce-Overrides (WCAG 2.3)
 *
 * Abhängigkeit: gofleet-tokens.css muss zuerst geladen sein (Priorität 5).
 */

/* ═══════════════════════════════════════════════════════════════════════════
   1. KEYFRAMES
   ═══════════════════════════════════════════════════════════════════════════ */

@keyframes gofleet-fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0);    }
}

@keyframes gofleet-fadeInLeft {
    from { opacity: 0; transform: translateX(-24px); }
    to   { opacity: 1; transform: translateX(0);     }
}

@keyframes gofleet-fadeInRight {
    from { opacity: 0; transform: translateX(24px); }
    to   { opacity: 1; transform: translateX(0);    }
}

@keyframes gofleet-glowPulse {
    0%, 100% { opacity: 0.5; }
    50%       { opacity: 1;   }
}

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

/* SVG-Datenfluss-Animation für Icon-Dekorationen */
@keyframes gofleet-dataFlow {
    to { stroke-dashoffset: 0; }
}

/* Skeleton-Loader-Shimmer */
@keyframes gofleet-shimmer {
    0%   { background-position: -400px 0; }
    100% { background-position:  400px 0; }
}


/* ═══════════════════════════════════════════════════════════════════════════
   2. SCROLL-REVEAL  .reveal → .is-revealed (gesteuert via gofleet-reveal.js)
   ═══════════════════════════════════════════════════════════════════════════ */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity  0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
}

.reveal.is-revealed {
    opacity: 1;
    transform: none;
}

/* Varianten */
.reveal--left {
    transform: translateX(-24px);
}

.reveal--right {
    transform: translateX(24px);
}

.reveal--left.is-revealed,
.reveal--right.is-revealed {
    transform: none;
}

/* Stagger-Delays für Grid-Elemente */
.reveal--delay-0 { transition-delay: 0ms; }
.reveal--delay-1 { transition-delay: 120ms; }
.reveal--delay-2 { transition-delay: 240ms; }
.reveal--delay-3 { transition-delay: 360ms; }
.reveal--delay-4 { transition-delay: 480ms; }
.reveal--delay-5 { transition-delay: 600ms; }


/* ═══════════════════════════════════════════════════════════════════════════
   3. SKELETON-LOADER  .gofleet-skeleton
   ═══════════════════════════════════════════════════════════════════════════ */

.gofleet-skeleton {
    background: linear-gradient(
        90deg,
        var(--gofleet-grey-100, #e5e7eb) 25%,
        #f5f5f5                       50%,
        var(--gofleet-grey-100, #e5e7eb) 75%
    );
    background-size: 800px 100%;
    animation: gofleet-shimmer 1.4s ease-in-out infinite;
    border-radius: var(--gofleet-radius-sm, 8px);
}

.gofleet-skeleton--text { height: 16px; margin-bottom: 8px; }
.gofleet-skeleton--title { height: 28px; margin-bottom: 12px; width: 70%; }
.gofleet-skeleton--img { height: 200px; border-radius: var(--gofleet-radius-lg, 16px); }


/* ═══════════════════════════════════════════════════════════════════════════
   4. GLOBALE HERO-GLOW-PULS-ANIMATION (verwendet in gofleet-homepage.css)
   ═══════════════════════════════════════════════════════════════════════════ */

.gofleet-home__hero::after {
    animation: gofleet-glowPulse 3s ease-in-out infinite;
}


/* ═══════════════════════════════════════════════════════════════════════════
   5. MOTION-REDUCE  prefers-reduced-motion (WCAG 2.3)
   ═══════════════════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal--left,
    .reveal--right {
        opacity: 1;
        transform: none;
        transition: none;
        animation: none;
    }

    .gofleet-skeleton {
        animation: none;
    }

    .gofleet-home__hero::after {
        animation: none;
    }

    /* Transitions global verkürzen */
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}