/* ==========================================================================
   Animaciones Globales y Clases de Utilidad
   ========================================================================== */

/* Estados iniciales para elementos observados */
.fade-in,
.slide-up,
.slide-left,
.slide-right,
.scale-in {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, transform;
}

.slide-up {
    transform: translateY(40px);
}

.slide-left {
    transform: translateX(40px);
}

.slide-right {
    transform: translateX(-40px);
}

.scale-in {
    transform: scale(0.9);
}

/* Estados cuando son visibles */
.is-visible {
    opacity: 1;
    transform: translate(0) scale(1);
}

/* Retrasos para efectos en cascada */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }

/* ==========================================================================
   Keyframes para efectos continuos
   ========================================================================== */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(11, 92, 171, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(11, 92, 171, 0); }
    100% { box-shadow: 0 0 0 0 rgba(11, 92, 171, 0); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* ==========================================================================
   Partículas Tecnológicas Azules
   ========================================================================== */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    bottom: -10px;
    background-color: var(--color-accent);
    opacity: 0.35;
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-accent);
    animation: floatUpParticle 20s infinite linear;
}

@keyframes floatUpParticle {
    0% {
        transform: translate(0, 0) scale(0.5);
        opacity: 0;
    }
    10% {
        opacity: 0.45;
    }
    90% {
        opacity: 0.25;
    }
    100% {
        transform: translate(var(--move-x), -1000px) scale(1.5);
        opacity: 0;
    }
}