/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #2d8a4e 0%, #1a5c32 100%);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

/* Container Principal */
.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

/* Header */
header {
    background: linear-gradient(135deg, #2d8a4e 0%, #1a5c32 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

header .subtitle {
    font-size: 1rem;
    opacity: 0.9;
}

/* Main Content */
main {
    padding: 40px 30px;
}

/* Mensagens de Feedback */
.mensagem {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 25px;
    font-weight: 500;
    animation: slideDown 0.3s ease-out;
}

.mensagem.sucesso {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.mensagem.erro {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Formulário */
.form-contato {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: #333;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2d8a4e;
    box-shadow: 0 0 0 3px rgba(45, 138, 78, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Botões */
.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

button {
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    flex: 1;
}

.btn-primary {
    background: linear-gradient(135deg, #2d8a4e 0%, #1a5c32 100%);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(45, 138, 78, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    background: #f0f0f0;
    color: #333;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.form-hint {
    font-size: 0.9rem;
    color: #666;
    margin-top: 10px;
    text-align: center;
}

/* Footer */
footer {
    background: #f8f9fa;
    padding: 20px 30px;
    text-align: center;
    border-top: 1px solid #e0e0e0;
}

footer p {
    color: #666;
    font-size: 0.9rem;
    margin: 5px 0;
}

.footer-info {
    font-size: 0.85rem;
}

.footer-info strong {
    color: #2d8a4e;
}

/* Loading State */
.loading {
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '...';
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}