/* ========================================
   Animations — LP Pulpito Premium v2
   reveal-up: scroll-triggered via IntersectionObserver
   ======================================== */

/* ---- Reveal Up (initial state) ---- */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.75s ease, transform 0.75s ease;
}

/* Triggered by IntersectionObserver (fires immediately for above-fold hero) */
.reveal-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays for hero entrance sequence */
.reveal-up.delay-1 { transition-delay: 0.10s; }
.reveal-up.delay-2 { transition-delay: 0.22s; }
.reveal-up.delay-3 { transition-delay: 0.38s; }
.reveal-up.delay-4 { transition-delay: 0.54s; }
.reveal-up.delay-5 { transition-delay: 0.70s; }

/* ---- Hover Lift ---- */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

/* ---- Shine on hover ---- */
.shine {
    position: relative;
    overflow: hidden;
}
.shine::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}
.shine:hover::before { left: 150%; }

/* ---- Underline Animate ---- */
.underline-animate {
    position: relative;
    display: inline-block;
}
.underline-animate::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 1px;
    background: var(--gold);
    transition: width 0.35s ease;
}
.underline-animate:hover::after { width: 100%; }

/* ---- Reduced motion override ---- */
@media (prefers-reduced-motion: reduce) {
    .reveal-up {
        opacity: 1;
        transform: none;
        transition: none;
    }
}