/* Animations Keyframes High Performance */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

/* Classes de Animação */
.fade-in-up {
    opacity: 0;
    animation: fadeInUp 1s cubic-bezier(0.215, 0.61, 0.355, 1) forwards;
    will-change: transform, opacity;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

.scroll-indicator.bounce {
    animation: bounce 2.5s infinite;
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.8);
    cursor: pointer;
    transition: color 0.3s;
}
.scroll-indicator:hover { color: var(--primary); }

/* Scroll Reveal States */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1), transform 1s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: opacity, transform;
}

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

/* Glow Borders */
.glow-border {
    position: relative;
    box-shadow: 0 0 20px rgba(102, 172, 197, 0.15);
    transition: box-shadow 0.4s;
}
.glow-border:hover {
    box-shadow: 0 0 35px rgba(102, 172, 197, 0.5);
}

/* Icon Circles */
.icon-circle {
    width: 32px;
    height: 32px;
    background: rgba(146, 221, 200, 0.2);
    color: var(--success);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.contact-item {
    display: flex;
    margin-bottom: 2rem;
    align-items: flex-start;
}