/* ============================================================
   FLUXO NFE - LANDING PAGE DE VENDAS
   Design moderno e responsivo
   ============================================================ */

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #10b981;
    --accent: #f59e0b;
    --dark: #1f2937;
    --dark-light: #374151;
    --gray: #6b7280;
    --gray-light: #e5e7eb;
    --white: #ffffff;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

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

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.navbar-brand i {
    font-size: 2rem;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
    margin-top: 80px;
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--accent);
    text-shadow: 0 0 20px rgba(245, 158, 11, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-features {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-item i {
    color: var(--success);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.dashboard-preview {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-xl);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition);
}

.dashboard-preview:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0);
}

.dashboard-preview img {
    width: 100%;
    border-radius: var(--radius);
}

.dashboard-placeholder {
    background: var(--gray-light);
    border-radius: var(--radius);
    padding: 4rem 2rem;
    text-align: center;
    color: var(--gray);
}

.dashboard-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: block;
}

/* ============================================================
   SECTIONS
   ============================================================ */

section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
}

/* ============================================================
   RECURSOS SECTION
   ============================================================ */

.recursos {
    background: var(--white);
}

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

.recurso-card {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
}

.recurso-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.recurso-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.recurso-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.recurso-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.recurso-card p {
    color: var(--gray);
    line-height: 1.8;
}

/* ============================================================
   DEMO SECTION
   ============================================================ */

.demo {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.demo-tabs {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 1rem 2rem;
    background: var(--white);
    border: 2px solid var(--gray-light);
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.demo-preview {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    min-height: 400px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s;
}

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

.screenshot-placeholder {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--gray);
}

.screenshot-placeholder i {
    font-size: 5rem;
    margin-bottom: 1rem;
    display: block;
    color: var(--primary);
}

.screenshot-placeholder h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

/* ============================================================
   PREÇOS SECTION
   ============================================================ */

.precos {
    background: #fafbfc;
}

.precos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
    align-items: center;
}

.precos-grid-2 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 880px;
    gap: 1.5rem;
    align-items: stretch;
}

@media (max-width: 768px) {
    .precos-grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Cards simétricos - mesma altura e estrutura */
.preco-card-simetrico {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border: 1px solid #e8eaed;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.preco-card-simetrico:hover {
    border-color: #c7d2fe;
    box-shadow: 0 8px 24px -4px rgba(37, 99, 235, 0.12);
}

.preco-card-recomendado {
    border-color: #c4b5fd;
    box-shadow: 0 4px 16px -2px rgba(124, 58, 237, 0.08);
}

.preco-card-recomendado:hover {
    border-color: #a78bfa;
    box-shadow: 0 8px 24px -4px rgba(124, 58, 237, 0.15);
}

.preco-card-simetrico {
    position: relative;
}

/* Headers com altura fixa para simetria */
.preco-header {
    height: 220px;
    padding: 1.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.preco-header-1 {
    background: linear-gradient(160deg, #0f766e 0%, #0d9488 100%);
    color: white;
}

.preco-header-2 {
    background: linear-gradient(160deg, #4f46e5 0%, #6366f1 100%);
    color: white;
}

.preco-header h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.preco-tagline {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

/* Bloco de valor - altura fixa para simetria entre os dois cards */
.preco-valor-block {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    min-height: 72px;
    width: 100%;
}

.preco-valor-block .moeda {
    font-size: 1.2rem;
}

.preco-valor-block .valor {
    font-size: 2rem;
    font-weight: 700;
}

.preco-valor-block .periodo {
    font-size: 1rem;
    opacity: 0.9;
}

/* Premium 2 - duas linhas de preço, mesmo espaço total */
.preco-valor-duplo {
    flex-direction: column;
    gap: 0.5rem;
}

.preco-valor-duplo .preco-linha {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
}

.preco-valor-duplo .preco-label {
    font-size: 0.65rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.preco-valor-duplo .preco-linha .moeda,
.preco-valor-duplo .preco-linha .valor,
.preco-valor-duplo .preco-linha .periodo {
    display: inline;
}

.preco-valor-duplo .valor {
    font-size: 1.6rem;
}

.preco-destaque {
    font-size: 0.8rem;
    margin-top: 0.75rem;
    font-weight: 500;
    opacity: 0.9;
}

/* Body - altura mínima para simetria */
.preco-body {
    flex: 1;
    min-height: 220px;
    padding: 1.5rem 1.25rem;
    display: flex;
    flex-direction: column;
}

.preco-features {
    list-style: none;
}

.preco-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: #374151;
}

.preco-features li i {
    color: #10b981;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.preco-footer {
    padding: 1.25rem 1.25rem;
    border-top: 1px solid #f3f4f6;
}

.precos-obs {
    text-align: center;
    font-size: 0.85rem;
    color: #6b7280;
    margin-top: 1.5rem;
}

/* Manter compatibilidade com .preco-card genérico */
.preco-card {
    background: var(--white);
    border: 1px solid #e8eaed;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.preco-header {
    color: var(--white);
}

.preco-valor {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.moeda {
    font-size: 1.5rem;
}

.valor {
    font-size: 2.5rem;
    font-weight: 800;
}

.periodo {
    font-size: 1.25rem;
    opacity: 0.9;
}

.preco-instalacao {
    background: var(--gray-light);
    padding: 1.5rem;
    border-radius: var(--radius);
    margin-top: 2rem;
}

.instalacao-title {
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.instalacao-opcoes {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.instalacao-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.instalacao-option:hover {
    background: var(--white);
}

.instalacao-option input[type="radio"] {
    cursor: pointer;
}


/* ============================================================
   CADASTRO SECTION
   ============================================================ */

.cadastro {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
}

.cadastro .section-title,
.cadastro .section-subtitle {
    color: var(--white);
}

.cadastro-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.cadastro-form {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.form-section-title {
    font-size: 1.1rem;
    color: var(--primary);
    margin: 1.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--gray-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-group {
    display: flex;
    gap: 0.5rem;
}

.input-group button {
    padding: 0.75rem 1rem;
    white-space: nowrap;
    background: var(--dark-light);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group label input[type="checkbox"] {
    margin-right: 0.5rem;
}

.form-group label a {
    color: var(--primary);
    text-decoration: underline;
}

#formMessages {
    margin-bottom: 1.5rem;
}

.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

/* ============================================================
   CONTATO SECTION
   ============================================================ */

.contato {
    background: var(--white);
}

.contato-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contato-card {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.contato-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contato-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.contato-icon i {
    font-size: 2rem;
    color: var(--white);
}

.contato-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.contato-card p {
    color: var(--gray);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
    background: var(--dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-brand p {
    opacity: 0.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-column a {
    display: block;
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.footer-column a:hover {
    opacity: 1;
    padding-left: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
    .navbar-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .precos-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-lg {
        width: 100%;
    }
    
    .cadastro-form {
        padding: 2rem 1.5rem;
    }
}