/* ===== ANIMAÇÕES E TRANSIÇÕES ===== */

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

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

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

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateY(0);
    }
    40%, 43% {
        transform: translateY(-10px);
    }
    70% {
        transform: translateY(-5px);
    }
    90% {
        transform: translateY(-2px);
    }
}

/* Classes de animação */
.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-down {
    animation: fadeInDown 0.8s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.8s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.8s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-bounce {
    animation: bounce 1s infinite;
}

/* Delays para animações sequenciais */
.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

.delay-400 {
    animation-delay: 0.4s;
}

.delay-500 {
    animation-delay: 0.5s;
}

/* Transições suaves para todos os elementos interativos */
a, button, .btn-primary, .btn-secondary, .btn-white, .cta-button {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hover effects aprimorados */
.feature-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

/* Animações do logo */
.logo-icon {
    transition: all 0.3s ease;
}

.logo:hover .logo-icon {
    transform: rotate(10deg) scale(1.1);
}

/* Animações dos botões */
.btn-primary, .btn-secondary, .btn-white, .cta-button {
    position: relative;
    overflow: hidden;
}

.btn-primary::before, .btn-secondary::before, .btn-white::before, .cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before, .btn-secondary:hover::before, .btn-white:hover::before, .cta-button:hover::before {
    left: 100%;
}

/* Animações de loading */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loading-spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #4CAF50;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 10px;
}

/* Animações de erro e sucesso */
.error-message {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-top: 5px;
    animation: fadeInUp 0.3s ease;
}

.success-message {
    animation: slideIn 0.3s ease;
}

.form-field.error {
    border-color: #e74c3c;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

/* Animações do header durante scroll */
.header {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Animações de parallax sutil */
.hero {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Animações de texto digitando (para futuro uso) */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink-caret {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: #4CAF50;
    }
}

.typewriter {
    overflow: hidden;
    border-right: 3px solid #4CAF50;
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

/* Animações de contadores (para estatísticas) */
.counter {
    font-weight: bold;
    color: #4CAF50;
}

/* Animações de scroll reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Animações específicas para mobile */
@media (max-width: 768px) {
    .animate-fade-in-up,
    .animate-fade-in-down,
    .animate-fade-in-left,
    .animate-fade-in-right {
        animation-duration: 0.6s;
    }
    
    .feature-card:hover {
        transform: translateY(-4px);
    }
    
    /* Reduz animações em dispositivos com motion reduzido */
    @media (prefers-reduced-motion: reduce) {
        * {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
    }
}

/* Animações de foco para acessibilidade */
a:focus, button:focus, input:focus, textarea:focus {
    outline: 2px solid #4CAF50;
    outline-offset: 2px;
    transition: outline 0.2s ease;
}

/* Animações de progresso (para futuras barras de progresso) */
@keyframes progress {
    from {
        width: 0%;
    }
    to {
        width: 100%;
    }
}

.progress-bar {
    height: 4px;
    background: #4CAF50;
    animation: progress 2s ease-in-out;
}

/* Micro-interações */
.nav-links a {
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4CAF50;
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}