/* ============================================
   ARMAN — Animações (Scroll Reveal)
   ============================================ */

/* Base reveal state */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Variações */
.reveal-fade {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.reveal-fade.visible {
    opacity: 1;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays para grids */
.reveal-delay-1 { transition-delay: 0.05s; }
.reveal-delay-2 { transition-delay: 0.1s; }
.reveal-delay-3 { transition-delay: 0.15s; }
.reveal-delay-4 { transition-delay: 0.2s; }
.reveal-delay-5 { transition-delay: 0.25s; }
.reveal-delay-6 { transition-delay: 0.3s; }

/* Portfolio filter animation */
.project-card {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.project-card.filtering-out {
    opacity: 0;
    transform: scale(0.95);
}

.project-card.filtering-in {
    opacity: 1;
    transform: scale(1);
}

/* Slider transitions */
.slider-track {
    transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* Hero text entrance */
.hero-content h1 {
    animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-content p {
    animation: fadeInUp 0.7s ease 0.35s both;
}

.hero-cta {
    animation: fadeInUp 0.7s ease 0.5s both;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Hover effects */
.service-card,
.project-card {
    will-change: transform;
}

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}