/* 
===================================================================
ANIMATION & MOTION ENGINE
Inspirado por Slider Revolution y la norma 60FPS UI/UX
=================================================================== 
*/

/* 1. SLIDER REVOLUTION HERO EFFECTS */
.hero-wrapper {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--c-bg-base);
}

.hero-bg-layer {
    position: absolute;
    inset: -5%; /* Permite escalado sin bordes blancos */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
    animation: kenburns 20s infinite alternate ease-in-out;
    opacity: 0.10; /* Extremadamente oscuro para máximo contraste de las letras blancas */
    mix-blend-mode: luminosity; /* Asegura el tono Dark Tech */
}

/* Grid Cibernético de fondo */
.hero-grid {
    position: absolute;
    inset: 0;
    z-index: 2;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    width: 100%;
}

/* Tipografía de Alto Impacto */
.hero-title {
    font-size: var(--text-hero);
    font-weight: 800;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: -3px;
    /* Sombras y efecto "Clip Reveal" */
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 2px 5px rgba(0,0,0,0.5);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
}

.hero-title span {
    display: block;
    animation: splitReveal 1.2s var(--ease-standard) forwards;
    opacity: 0;
    transform: translateY(100px);
}

/* Stagger (retraso) asombroso */
.hero-title span:nth-child(1) { animation-delay: 0.1s; }
.hero-title span:nth-child(2) { 
    animation-delay: 0.3s;
    background: linear-gradient(90deg, var(--c-brand-secondary), var(--c-brand-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-p {
    font-size: var(--text-xl);
    color: var(--c-text-muted);
    max-width: 600px;
    margin: var(--space-lg) auto;
    opacity: 0;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.9);
    animation: fadeUp 1s 0.7s var(--ease-standard) forwards;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    opacity: 0;
    animation: fadeUp 1s 0.9s var(--ease-standard) forwards;
}

/* Infinite Marquee (Para el Social Proof de firmas tecnológicas) */
.marquee-container {
    overflow: hidden;
    white-space: nowrap;
    display: flex;
    background: var(--c-bg-surface-1);
    border-top: 1px solid var(--c-border-subtle);
    border-bottom: 1px solid var(--c-border-subtle);
    padding: var(--space-md) 0;
}

.marquee-content {
    display: flex;
    gap: var(--space-3xl);
    padding-left: var(--space-3xl);
    min-width: max-content;
    animation: scrollH 28s linear infinite;
    font-size: var(--text-xl);
    font-family: var(--font-display);
    color: var(--c-text-subtle);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 2. SECUENCIAS SCROLL REVEAL (JS INTERSECTION OBSERVER) */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-standard), transform 0.8s var(--ease-standard);
}

.fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Utilidad Stagger via CSS vars que daremos desde el HTML */
.fade-up[style*="--delay"] {
    transition-delay: var(--delay);
}

/* KEYFRAMES CORE */
@keyframes kenburns {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

@keyframes splitReveal {
    0% { transform: translateY(100px); opacity: 0; clip-path: polygon(0 100%, 100% 100%, 100% 100%, 0 100%); }
    100% { transform: translateY(0); opacity: 1; clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
}

@keyframes fadeUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes scrollH {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); } /* Debe calcularse en base a los hijos si son dobles */
}