/* Animaciones Cinemáticas de Revelado (Reveal) */
.reveal {
    opacity: 0;
    transform: translateY(40px) scale(0.98);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0) scale(1);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Barra de Progreso de Lectura */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(to right, #D89B2B, #E46A25);
    width: 0%;
    z-index: 9999;
    transition: width 0.1s ease-out;
}

.text-gradient-gold {
    background: linear-gradient(to right, #D89B2B, #EBB54A, #D89B2B);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Trama de Lujo (Puntos dorados sutiles) */
.bg-grid-pattern {
    background-image: radial-gradient(rgba(216, 155, 43, 0.15) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Hover de Tarjetas de Video */
.video-card .play-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(216,155,43,0.5); /* Dorado */
    animation: ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}
.video-card:hover .play-button {
    transform: scale(1.15);
    background-color: #E46A25; /* Naranja Vibrante */
    color: #FFFFFF;
    box-shadow: 0 0 20px rgba(228,106,37,0.6);
}

.blend-multiply {
    mix-blend-mode: multiply;
}

.animation-delay-2000 { animation-delay: 2s; }
.animation-delay-4000 { animation-delay: 4s; }

::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #F5F7FA;
}
::-webkit-scrollbar-thumb {
    background: #113B7A;
    border-radius: 4px;
}

.loader {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 3px solid #FFFFFF;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    display: inline-block;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}