/* ===== ANIMAÇÕES E MICRO-INTERAÇÕES ===== */

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.preloader.hidden {
    opacity: 0;
    pointer-events: none;
}

.preloader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Animações de entrada - CORRIGIDAS */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
    will-change: opacity, transform;
}

.fade-in.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease-out;
    will-change: opacity, transform;
}

.slide-in-left.visible {
    opacity: 1 !important;
    transform: translateX(0) !important;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease-out;
    will-change: opacity, transform;
}

.slide-in-right.visible {
    opacity: 1 !important;
    transform: translateX(0) !important;
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease-out;
    will-change: opacity, transform;
}

.scale-in.visible {
    opacity: 1 !important;
    transform: scale(1) !important;
}

/* Animações de hover */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.hover-scale {
    transition: transform 0.3s ease;
}

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

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(44, 90, 160, 0.3);
}

/* Botões com feedback tátil */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

/* Animações de contadores */
.counter-animation {
    transition: all 0.3s ease;
}

.counter-animation.animate {
    transform: scale(1.1);
    color: var(--primary-color);
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

/* Progress bar para formulários */
.form-progress {
    width: 100%;
    height: 4px;
    background: #e0e0e0;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 20px;
}

.form-progress-bar {
    height: 100%;
    background: var(--primary-color);
    width: 0%;
    transition: width 0.3s ease;
}

/* Animações de notificação */
.notification {
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

/* Animações de menu mobile */
.nav-menu {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-menu.active {
    transform: translateX(0);
    opacity: 1;
}

/* Animações de cards */
.service-card, .portfolio-item {
    transition: all 0.3s ease;
}

.service-card:hover, .portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* Animações de texto */
.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.6s ease;
}

.text-reveal.visible span {
    transform: translateY(0);
}

/* Animações de ícones */
.icon-bounce {
    animation: bounce 2s infinite;
}

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

/* Animações de scroll */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--primary-color);
    z-index: 1000;
    transition: width 0.1s ease;
}

/* Animações de loading para imagens */
.image-loader {
    position: relative;
    overflow: hidden;
}

.image-loader::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Animações de formulário */
.form-field {
    transition: all 0.3s ease;
}

.form-field:focus-within {
    transform: scale(1.02);
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

/* Animações de chat */
.chat-message {
    animation: slideInMessage 0.3s ease;
}

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

/* Animações de WhatsApp flutuante */
.whatsapp-float {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ===== DARK MODE ===== */
.dark-mode {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --card-bg: #2d2d2d;
    --border-color: #404040;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --hover-bg: #3d3d3d;
}

.dark-mode body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.dark-mode .header {
    background: rgba(26, 26, 26, 0.95);
    border-bottom: 1px solid var(--border-color);
}

.dark-mode .nav-link {
    color: var(--text-color);
}

.dark-mode .nav-link:hover {
    color: var(--primary-color);
}

.dark-mode .servico-card,
.dark-mode .portfolio-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.dark-mode .servico-card:hover,
.dark-mode .portfolio-item:hover {
    background: var(--hover-bg);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.dark-mode .form-field input,
.dark-mode .form-field textarea,
.dark-mode .form-field select {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.dark-mode .form-field input:focus,
.dark-mode .form-field textarea:focus,
.dark-mode .form-field select:focus {
    border-color: var(--primary-color);
    background: var(--hover-bg);
}

.dark-mode .footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
}

.dark-mode .skeleton {
    background: linear-gradient(90deg, #2d2d2d 25%, #404040 50%, #2d2d2d 75%);
}

/* Transições suaves entre seções */
section {
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* Animações responsivas */
@media (max-width: 768px) {
    .fade-in,
    .slide-in-left,
    .slide-in-right {
        transform: translateY(20px);
    }
    
    .hover-lift:hover {
        transform: translateY(-2px);
    }
    
    .hover-scale:hover {
        transform: scale(1.02);
    }


}