/* Landing Page Styles - Swiss Tech Minimal */

:root {
    /* --- Cores da Marca --- */
    /* Primary: A base sólida. Usada em textos e fundos escuros. */
    --primary-color: #0F172A; /* Navy Blue Profundo */
    --primary-hover: #1E293B;

    /* Accent: A "Mágica". Usada APENAS onde a ação/IA acontece. */
    --accent-color: #5A45FF;  /* Indigo Vibrante */

    /* --- Fundos e Estrutura --- */
    --background-color: #FFFFFF;       /* Branco Puro */
    --background-secondary: #F8FAFC;   /* Cinza Gelo (para separar seções) */
    --border-color: #E2E8F0;           /* Cinza Frio (para as linhas de grade) */

    /* --- Tipografia --- */
    --text-color: #0F172A;     /* Contraste Máximo */
    --text-secondary: #64748B; /* Texto de apoio */
    --text-inverse: #FFFFFF;   /* Texto sobre botões Accent/Primary */

    /* --- Feedback --- */
    --success-color: #10B981; /* Verde Esmeralda (Sucesso/Validado) */
    --danger-color: #EF4444;  /* Vermelho (Erro/Alerta) */

    /* --- UI Specs --- */
    --radius: 2px; /* Cantos retos/técnicos. Evite arredondamentos grandes. */
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05); /* Sombra quase imperceptível */
}

/* Global Reset & Base */
body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--primary-color);
}

p {
    margin: 0;
    color: var(--text-secondary);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.grid {
    display: grid;
    gap: 24px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Navbar */
.navbar {
    border-bottom: 1px solid var(--border-color);
    background: var(--background-color);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-area img {
    height: 32px;
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

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

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

.btn-accent {
    background-color: var(--accent-color);
    color: var(--text-inverse);
}

.btn-accent:hover {
    filter: brightness(1.1);
}

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

.btn-outline:hover {
    border-color: var(--text-color);
    background: var(--background-secondary);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 600px;
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 48px;
    line-height: 1.1;
    margin-bottom: 16px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    padding: 40px;
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.visual-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}

.visual-icon {
    font-size: 32px;
    color: var(--text-secondary);
}

.visual-icon.active {
    color: var(--accent-color);
}

.visual-arrow {
    color: var(--accent-color);
    font-size: 20px;
}

.visual-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Problem Section */
.problem-section {
    padding: 80px 0;
    background: var(--background-secondary);
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-size: 32px;
    margin-bottom: 48px;
    text-align: center;
}

.comparison-card {
    background: var(--background-color);
    padding: 32px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.comparison-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.comparison-icon {
    font-size: 24px;
}

.comparison-title {
    font-size: 18px;
    font-weight: 600;
}

/* How It Works */
.how-it-works {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.step-card {
    position: relative;
    padding-top: 24px;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-color);
}

.step-title {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-color);
}

/* Pricing Section */
.pricing-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.guarantee-banner {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    padding: 32px;
    background: var(--background-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.guarantee-title {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.pricing-card {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-sm);
}

.pricing-card.popular {
    border: 2px solid var(--accent-color);
    box-shadow: 0 4px 12px rgba(90, 69, 255, 0.15);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: var(--text-inverse);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 12px;
    text-transform: uppercase;
}

.plan-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.plan-price {
    font-size: 40px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.plan-period {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-secondary);
}

.plan-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    min-height: 40px; /* Alignment */
}

.feature-list {
    margin: 0 0 32px;
    flex-grow: 1;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text-color);
}

.feature-icon {
    color: var(--success-color);
    margin-top: 3px;
}

.tooltip-icon {
    color: var(--text-secondary);
    cursor: help;
    margin-left: 6px;
    font-size: 12px;
    position: relative;
}

.tooltip-icon:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: #fff;
    padding: 8px 12px;
    font-size: 12px;
    border-radius: 4px;
    width: 200px;
    text-align: center;
    margin-bottom: 8px;
    z-index: 10;
    font-family: inherit;
    font-weight: 400;
}

/* Use Cases */
.use-cases {
    padding: 80px 0;
    background: var(--background-secondary);
    border-bottom: 1px solid var(--border-color);
}

.case-card {
    background: var(--background-color);
    padding: 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    text-align: left;
}

.case-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

/* Footer */
.footer {
    padding: 60px 0;
    text-align: center;
    background: var(--background-color);
}

.footer-cta h2 {
    font-size: 24px;
    margin-bottom: 24px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .grid-2, .grid-3, .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        flex-direction: column;
        gap: 16px;
    }
    
    .visual-arrow {
        transform: rotate(90deg);
    }
}