/**
 * Landing Page Styles - FrotaGS v2.0
 * Design Moderno e Responsivo
 */

/* ========================================
   RESET E VARIÁVEIS
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores */
    --primary: #d4af37;
    --primary-dark: #b8941f;
    --primary-light: #e8d68f;
    
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --border: #334155;
    --shadow: rgba(0, 0, 0, 0.3);
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Bordas */
    --radius: 1rem;
    --radius-sm: 0.5rem;
    
    /* Transições */
    --transition: all 0.3s ease;

    /* Safe Area */
    --safe-area-top: 0px;
    --safe-area-bottom: 0px;
}

:root {
    --safe-area-top: constant(safe-area-inset-top);
    --safe-area-bottom: constant(safe-area-inset-bottom);
}

:root {
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-dark);
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
    box-sizing: border-box;
}

/* ========================================
   ALERTAS
======================================== */
.alert {
    position: fixed;
    top: calc(80px + var(--safe-area-top));
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    max-width: 600px;
    width: 90%;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideDown 0.3s ease;
    box-shadow: 0 10px 30px var(--shadow);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.alert-error {
    background: rgba(239, 68, 68, 0.95);
    border: 1px solid #ef4444;
}

.alert-success {
    background: rgba(16, 185, 129, 0.95);
    border: 1px solid #10b981;
}

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
}

/* ========================================
   HEADER
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
    padding-top: var(--safe-area-top);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.logo i {
    font-size: 1.75rem;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
}

.nav a:hover {
    color: var(--primary);
    background: var(--bg-card);
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* Mobile Menu */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: calc(70px + var(--safe-area-top));
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav a,
    .nav .btn {
        width: 100%;
        text-align: center;
    }
}

/* ========================================
   HERO SECTION
======================================== */
.hero {
    padding: 120px 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    position: relative;
    overflow: hidden;
    width: 100%;
}

.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 2rem;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    max-width: 100%;
    word-wrap: break-word;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    max-width: 100%;
    word-wrap: break-word;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
    max-width: 100%;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.stat-item i {
    font-size: 2rem;
    color: var(--primary);
}

.stat-item strong {
    display: block;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.stat-item span {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Dashboard Preview */
.dashboard-preview {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: var(--spacing-md);
    box-shadow: 0 20px 60px var(--shadow);
    border: 1px solid var(--border);
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1rem;
}

.preview-dots {
    display: flex;
    gap: 0.5rem;
}

.preview-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
}

.preview-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.preview-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.preview-stat {
    background: var(--bg-dark);
    padding: 1rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.hero-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
    color: var(--bg-dark);
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }
    
    .hero-visual {
        display: none;
    }
}

/* ========================================
   SEÇÕES GERAIS
======================================== */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   RECURSOS
======================================== */
.features {
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow);
    border-color: var(--primary);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   PLANOS
======================================== */
.pricing {
    background: var(--bg-darker);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pricing-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 2px solid var(--border);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow);
}

.pricing-card.popular {
    border-color: var(--primary);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--bg-dark);
    padding: 0.25rem 1rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--spacing-md);
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.pricing-price .currency {
    font-size: 1.25rem;
    color: var(--primary);
}

.pricing-price .value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
}

.pricing-price .period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.pricing-features {
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.feature-group {
    margin-bottom: var(--spacing-md);
}

.feature-group h4 {
    font-size: 0.875rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-group ul {
    list-style: none;
}

.feature-group li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.modules-list li.included {
    color: var(--text-primary);
}

.modules-list li.not-included {
    color: var(--text-muted);
    text-decoration: line-through;
}

.modules-list li i {
    font-size: 1rem;
}

.modules-list li.included i {
    color: var(--primary);
}

.modules-list li.not-included i {
    color: var(--text-muted);
}

.pricing-note {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.pricing-note i {
    color: var(--primary);
    font-size: 1.25rem;
}

/* ========================================
   COMO FUNCIONA
======================================== */
.how-it-works {
    background: var(--bg-dark);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.step-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.step-number {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    z-index: 2;
}

.step-content {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    padding-top: calc(var(--spacing-lg) + 20px);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    width: 100%;
    transition: var(--transition);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-content:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(212, 175, 55, 0.05));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

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

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

@media (max-width: 968px) {
    .steps-container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
}

@media (max-width: 640px) {
    .steps-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .step-content {
        min-height: auto;
    }
}

/* ========================================
   FAQ
======================================== */
.faq {
    background: var(--bg-darker);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.faq .section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.faq .section-header p {
    color: var(--text-secondary);
    margin: var(--spacing-xs) auto 0;
    max-width: 520px;
}

.faq-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: min(720px, 90%);
    margin: 0 auto;
}

.faq-item {
    background: transparent;
}

.faq-card {
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: var(--bg-card);
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-card:hover {
    border-color: rgba(212, 175, 55, 0.6);
    box-shadow: 0 12px 30px rgba(2, 6, 23, 0.5);
}

.faq-card .faq-question {
    padding: var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.faq-question i {
    transition: transform 0.3s ease;
    font-size: 1.2rem;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-card .faq-answer {
    padding: 0 var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    color: var(--text-secondary);
}

.faq-item.active .faq-answer {
    max-height: 999px;
    padding-bottom: var(--spacing-lg);
}

.faq-answer p {
    margin: 0 0 var(--spacing-sm);
    line-height: 1.6;
}

.faq-answer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.faq-answer ul li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.65rem;
    align-items: flex-start;
}

.faq-answer ul li span {
    margin: 0;
}

.faq-answer ul li i,
.faq-answer .d-flex i {
    color: var(--primary);
    flex-shrink: 0;
}

.faq-answer .mb-3,
.faq-answer .mb-4,
.faq-answer .mb-2 {
    margin-bottom: 0;
}

.faq-answer .d-flex {
    margin-top: var(--spacing-sm);
    gap: 0.65rem;
}
/* ========================================
   CTA FINAL
======================================== */
.cta-final {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--bg-dark);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--bg-dark);
}

.cta-content > p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: rgba(15, 23, 42, 0.8);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.cta-final .btn-primary {
    background: var(--bg-dark);
    color: var(--primary);
}

.cta-final .btn-outline {
    background: transparent;
    color: var(--bg-dark);
    border-color: var(--bg-dark);
}

.cta-note {
    font-size: 0.875rem;
    color: rgba(15, 23, 42, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ========================================
   CONTATO
======================================== */
.contact {
    background: var(--bg-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.contact-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow);
    border-color: var(--primary);
}

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--bg-dark);
}

.contact-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

/* ========================================
   FOOTER
======================================== */
.footer {
    background: var(--bg-darker);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--bg-dark);
    border-color: var(--primary);
    transform: translateY(-4px);
}

.footer-section h4 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer-bottom p {
    margin: 0.25rem 0;
}

/* ========================================
   BOTÃO VOLTAR AO TOPO
======================================== */
.back-to-top {
    position: fixed;
    bottom: calc(30px + var(--safe-area-bottom));
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--bg-dark);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 12px var(--shadow);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px var(--shadow);
}

/* ========================================
   MODAIS
======================================== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.modal-overlay.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease;
}

.modal-large {
    max-width: 600px;
}

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

.modal-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}

.modal-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-md);
}

/* Formulários */
.form-group {
    margin-bottom: 1.25rem;
}

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

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

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

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

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.form-check input[type="checkbox"] {
    width: auto;
}

.form-check label {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.password-strength {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    display: none;
}

.modal-footer-links {
    text-align: center;
    margin-top: 1rem;
}

.link-primary {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.link-primary:hover {
    text-decoration: underline;
}

.modal-divider {
    text-align: center;
    margin: 1.5rem 0;
    position: relative;
}

.modal-divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border);
}

.modal-divider span {
    position: relative;
    background: var(--bg-card);
    padding: 0 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.text-center {
    text-align: center;
}

.form-note {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Seleção de Planos */
.planos-select {
    display: grid;
    gap: 0.75rem;
}

.plano-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.plano-option:hover {
    border-color: var(--primary);
    background: rgba(212, 175, 55, 0.05);
}

.plano-option.selected {
    border-color: var(--primary);
    background: rgba(212, 175, 55, 0.1);
}

.plano-option input[type="radio"] {
    width: auto;
}

.plano-info {
    flex: 1;
}

.plano-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.plano-price {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.plano-option i {
    color: var(--primary);
    font-size: 1.25rem;
    opacity: 0;
    transition: var(--transition);
}

.plano-option.selected i {
    opacity: 1;
}

/* Responsividade Geral */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
        --spacing-md: 1rem;
    }

    body {
        padding: 0;
        margin: 0;
    }

    .container {
        padding: 0 1rem;
        width: 100%;
        max-width: 100%;
    }

    .section-header h2 {
        font-size: 1.75rem;
        word-wrap: break-word;
    }

    .hero {
        padding: 100px 0 2rem;
    }

    .hero-text h1 {
        font-size: 1.75rem;
        line-height: 1.3;
    }

    .hero-description {
        font-size: 0.95rem;
        line-height: 1.5;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }

    .hero-stats {
        gap: 1rem;
    }

    .stat-item {
        font-size: 0.875rem;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .pricing-card.popular {
        transform: none;
    }

    .pricing-grid {
        gap: var(--spacing-sm);
    }

    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-preview {
        max-width: 100%;
        overflow: hidden;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }

    .hero-text h1 {
        font-size: 1.5rem;
    }

    .hero-description {
        font-size: 0.875rem;
    }

    .btn {
        font-size: 0.875rem;
        padding: 0.75rem 1rem;
    }
}