/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Animações de entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.fade-in {
    opacity: 0;
}

.fade-in.visible {
    opacity: 1;
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Header com transição */
.header-scrolled {
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

/* Gradiente de fundo para hero */
.hero-gradient {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
}

/* Efeito hover nos cards */
.service-card {
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(220, 38, 38, 0.2);
}

/* Botão WhatsApp flutuante */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Placeholder para imagens */
.image-placeholder {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 14px;
}

/* Estilos para imagens reais */
.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0.5rem;
    transition: transform 0.3s ease;
}

.project-image:hover {
    transform: scale(1.05);
}