/* Estilos complementares - Carregamento não-crítico */

/* Animações e transições avançadas */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estados de loading e erro */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.error-message {
    color: #dc3545;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

.form-group.error input,
.form-group.error textarea,
.form-group.error select {
    border-color: #dc3545;
}

.form-group.error .error-message {
    display: block;
}

.form-group.success input,
.form-group.success textarea,
.form-group.success select {
    border-color: var(--verde-claro);
}

/* Melhorias de acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--verde-claro);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 1001;
}

.skip-link:focus {
    top: 6px;
}

/* Focus melhorado */
*:focus-visible {
    outline: 3px solid var(--verde-claro);
    outline-offset: 2px;
}

.tab-btn:focus {
    outline: 3px solid var(--verde-claro);
    outline-offset: 2px;
}

/* Estilos de select customizado */
select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

/* Estados de botão desabilitado */
.btn-primary:disabled,
.btn-secondary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Animações para elementos que entram na viewport */
.animate-in {
    animation: slideInUp 0.6s ease-out;
}

/* FAQ específicos */
.faq {
    padding: 80px 0;
    background: var(--cinza-claro);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    padding: 25px;
    cursor: pointer;
    font-weight: 600;
    font-size: 18px;
    color: var(--azul-marinho);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.faq-question:focus {
    outline: 3px solid var(--verde-claro);
    outline-offset: -3px;
}

.faq-question:hover {
    background: var(--cinza-claro);
}

.faq-question::after {
    content: '+';
    font-size: 28px;
    color: var(--verde-claro);
    transition: transform 0.3s;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
    padding: 0 25px;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 25px 25px;
}

/* Pricing específicos */
.pricing {
    padding: 80px 0;
    background: white;
}

.pricing-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
}

.pricing-intro h3 {
    font-size: 24px;
    color: var(--verde-claro);
    margin-bottom: 15px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--cinza-claro);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
    border: 3px solid transparent;
}

.pricing-card.featured {
    border-color: var(--verde-claro);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.plan-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--azul-marinho);
}

.plan-emissions {
    font-size: 16px;
    color: var(--texto);
    margin-bottom: 20px;
}

.plan-price {
    font-size: 14px;
    color: #6c757d;
    margin-bottom: 30px;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.plan-features li {
    padding: 10px 0;
    border-bottom: 1px solid #dee2e6;
    font-size: 14px;
}

.plan-features li::before {
    content: '✓';
    color: var(--verde-claro);
    font-weight: 700;
    margin-right: 10px;
}

/* How it works */
.how-it-works {
    padding: 80px 0;
    background: var(--cinza-claro);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--verde-claro);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--azul-marinho);
}

.step p {
    font-size: 15px;
    color: var(--texto);
}

.cta-section {
    text-align: center;
    background: var(--azul-marinho);
    padding: 50px;
    border-radius: 12px;
    color: white;
}

.cta-section h3 {
    font-size: 32px;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Trust badges */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.badge {
    background: white;
    padding: 15px 25px;
    border-radius: 8px;
    border: 2px solid var(--verde-claro);
    font-weight: 600;
    color: var(--azul-marinho);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Preferências do usuário */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-contrast: high) {
    :root {
        --azul-escuro: #000000;
        --verde-claro: #008000;
        --azul-marinho: #000080;
        --texto: #000000;
    }
}

/* Esquema de cores sempre claro para melhor legibilidade */
.faq {
    padding: 80px 0;
    background: var(--cinza-ultra-claro, #fafbfc);
}

.how-it-works {
    padding: 80px 0;
    background: var(--cinza-ultra-claro, #fafbfc);
}

.pricing {
    padding: 80px 0;
    background: var(--branco-puro, #ffffff);
}

/* Cards sempre com fundo branco para máxima legibilidade */
.faq-item,
.pricing-card {
    background: var(--branco-puro, #ffffff);
    border: 1px solid var(--borda-sutil, #e9ecef);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* Print styles */
@media print {

    .whatsapp-float,
    .header-cta,
    .hero-ctas,
    footer {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .hero {
        background: none;
        color: black;
    }
}

/* Mobile específico */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 60px 0 80px;
    }

    .benefits,
    .features,
    .social-proof,
    .form-section {
        padding: 60px 0;
    }
}