:root {
    /* Paleta de Cores Original */
    --color-primary-green: #1D7803;
    --color-light-green: #E6FFE6;
    --color-text-dark: #023d02;
    /* Derivado do original hsla(119,98%,18%,1) */
    --color-accent-blue: #3498db;
    /* Azul moderno para substituir o ciano original se necessário */
    --color-white: #ffffff;
    --font-primary: 'Verdana', 'Segoe UI', system-ui, sans-serif;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-white);
    color: var(--color-text-dark);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* Header */
header {
    background-color: var(--color-white);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 3rem;
    /* Aumentei mais um pouco (era 2.2rem) */
    color: var(--color-primary-green);
    text-decoration: none;
    letter-spacing: 1px;
    /* Removemos o text-transform para ficar "FlyNFe" */
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-login {
    background-color: var(--color-primary-green);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
}

/* Hero Section */
.hero {
    background-color: var(--color-light-green);
    padding: 4rem 1rem;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.5rem;
    color: var(--color-primary-green);
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    background-color: var(--color-primary-green);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.2rem;
    font-weight: bold;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #145202;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        /* Mobile menu implementation later */
    }

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

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section-title {
    text-align: center;
    color: var(--color-primary-green);
    margin-bottom: 3rem;
    font-size: 2rem;
}

/* Features Section */
.features {
    padding: 4rem 0;
    background-color: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: #f9f9f9;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
    border-top: 4px solid var(--color-primary-green);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    color: var(--color-primary-green);
    margin-bottom: 1rem;
}

/* CTA Secondary */
.cta-secondary {
    background-color: var(--color-text-dark);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.cta-secondary h2 {
    margin-bottom: 1rem;
}

.cta-secondary p {
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-outline {
    display: inline-block;
    border: 2px solid white;
    color: white;
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

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

/* Content Section (Tecnologia) */
.content-section {
    padding: 4rem 0;
    background-color: #f4f6f8;
}

.text-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: #444;
    text-align: justify;
}

.text-content p {
    margin-bottom: 1.5rem;
}

/* Plans Section */
.plans-section {
    padding: 2rem 0;
    /* Reduzi de 4rem para 2rem */
    background-color: var(--color-white);
}

.plans-grid {
    display: grid;
    /* Mudei de 280px para 200px para caberem 5 na tela */
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.8rem;
    /* Reduzi o espaço entre eles */
    padding: 0 1rem;
    /* Menos borda lateral */
}

.plan-card {
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    transition: box-shadow 0.3s;
}

.plan-price {
    font-size: 1.8rem;
    /* Reduzi de 2.5rem para ficar proporcional */
    color: var(--color-primary-green);
    font-weight: bold;
    margin: 0.5rem 0;
}

.plan-card:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}