/* ============================================
   FormContato - Estilos Globais
   v0.3
   ============================================ */

/* Custom Properties: Tema Dark SaaS (Preto e Verde Limão) */
:root {
    --color-primary: #bef264; 
    --color-primary-hover: #a3e635;
    --color-bg-base: #0a0a0a; 
    --color-bg-surface: #171717; 
    --color-text-main: #f5f5f5; 
    --color-text-muted: #a3a3a3; 
    --color-border: #262626;
    --color-focus: rgba(190, 242, 100, 0.6);
    --radius-md: 12px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
    font-family: var(--font-main);
    color: var(--color-text-main);
    background-color: var(--color-bg-base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: var(--color-primary); transition: var(--transition); }
ul { list-style: none; }

/* Skip Link (Acessibilidade) */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    z-index: 200;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-primary);
    color: var(--color-bg-base);
    font-weight: 700;
    border-radius: var(--radius-md);
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 1rem;
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
}

/* Focus Visible Global (Acessibilidade) */
:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}

/* Tipografia */
h1, h2, h3, h4 {
    color: var(--color-text-main);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: 1.5rem; font-weight: 600; }
p { margin-bottom: 1.5rem; color: var(--color-text-muted); }

.highlight { color: var(--color-primary); }
.text-center { text-align: center; }

/* Layout Utilitários */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding { padding: 6rem 0; }

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    border-radius: 999px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-size: 1rem;
    text-align: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-bg-base);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(190, 242, 100, 0.4);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
}

.btn-outline:hover, .btn-outline:focus {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Header */
header {
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-dot {
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: inline-block;
}

.nav-links { display: flex; gap: 2.5rem; align-items: center; }
.nav-links a { color: var(--color-text-muted); font-weight: 500; }
.nav-links a:hover { color: var(--color-text-main); }

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(190,242,100,0.15) 0%, rgba(10,10,10,0) 70%);
    z-index: -1;
    border-radius: 50%;
}

.hero-content { max-width: 850px; margin: 0 auto; }
.hero p { font-size: 1.25rem; margin-bottom: 2.5rem; }

.hero-badges {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.hero-badges span { display: flex; align-items: center; gap: 0.5rem; }

/* Soluções Multi-propósito (Grid de Casos de Uso) */
.solutions {
    background-color: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.solution-card {
    background: var(--color-bg-base);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.solution-card:hover {
    border-color: rgba(190, 242, 100, 0.3);
    transform: translateY(-5px);
}

.solution-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(190, 242, 100, 0.1);
    color: var(--color-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

/* Como Funciona */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--color-bg-surface);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.feature-card h3 { display: flex; align-items: center; gap: 0.75rem; }
.feature-card h3 svg { color: var(--color-primary); }

/* Planos */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.pricing-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-surface);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, rgba(190,242,100,0.05) 0%, rgba(23,23,23,1) 100%);
}

.badge-destaque {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary);
    color: var(--color-bg-base);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 1rem;
    border-radius: 999px;
    text-transform: uppercase;
}

.pricing-features {
    flex-grow: 1;
    margin: 2rem 0;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
}

.pricing-features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--color-text-main);
}

/* Formulário de Contato WhatsApp */
.contact {
    border-top: 1px solid var(--color-border);
    position: relative;
}

.contact-form {
    max-width: 550px;
    margin: 3rem auto 0;
    background: var(--color-bg-surface);
    padding: 3rem 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text-main);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1.25rem;
    background-color: var(--color-bg-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control::placeholder { color: var(--color-text-muted); }

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(190, 242, 100, 0.2);
}

/* Select customizado acessível */
.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23a3a3a3%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 0.7rem top 50%;
    background-size: 0.65rem auto;
    padding-right: 2.5rem;
}

/* Estado de erro no formulário */
.form-control[aria-invalid="true"] {
    border-color: #f87171;
    box-shadow: 0 0 0 2px rgba(248, 113, 113, 0.2);
}

.form-error {
    color: #f87171;
    font-size: 0.8rem;
    margin-top: 0.35rem;
    display: none;
}

.form-error.visible {
    display: block;
}

.form-footer {
    margin-top: 1.5rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Footer */
footer {
    padding: 3rem 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-primary);
}

/* Páginas Internas (Termos, Privacidade) */
.page-content {
    padding: 4rem 0;
    min-height: calc(100vh - 80px - 6rem);
}

.page-content h1 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 0.5rem;
}

.page-content .page-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 3rem;
}

.page-content h2 {
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 0.75rem;
}

.page-content p,
.page-content li {
    color: var(--color-text-muted);
    line-height: 1.8;
}

.page-content ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.page-content ul li {
    margin-bottom: 0.5rem;
}

/* FAQ (Accordion) */
.faq-list {
    max-width: 750px;
    margin: 3rem auto 0;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    background: var(--color-bg-surface);
    transition: var(--transition);
}

.faq-item[open] {
    border-color: rgba(190, 242, 100, 0.3);
}

.faq-item summary {
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-text-main);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-primary);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item summary:hover {
    color: var(--color-primary);
}

.faq-answer {
    padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 0;
}

/* Animações de entrada ao scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsividade */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero { padding: 5rem 0 3rem; }
    .hero-badges { flex-direction: column; align-items: center; gap: 1rem; }
    .pricing-card { padding: 2rem 1.5rem; }
    .contact-form { padding: 2rem 1.5rem; }
    .footer-links { flex-direction: column; align-items: center; gap: 0.75rem; }
    .faq-item summary { font-size: 0.95rem; padding: 1rem 1.25rem; }
}

/* Respeita preferência de movimento reduzido (Acessibilidade) */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    .solution-card:hover,
    .btn-primary:hover {
        transform: none;
    }
}