:root {
    /* Color Palette - Premium B2B */
    --primary: #059669; /* Verde Esmeralda */
    --primary-hover: #047857; /* Verde Esmeralda mais escuro para hover */
    --secondary: #064E3B; /* Verde Escuro Profundo */
    
    --bg-light: #F8FAFC; /* Off-white elegante */
    --bg-white: #ffffff;
    
    --text-main: #111827; /* Grafite escuro */
    --text-muted: #4B5563; /* Cinza médio para textos secundários */
    
    --border-light: #E2E8F0;
    
    /* Shapes */
    --radius: 12px;
    
    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Base Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.text-secondary {
    color: var(--secondary);
}

.bg-secondary {
    background-color: var(--secondary);
    color: white;
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: var(--font-sans);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 6px -1px rgba(5, 150, 105, 0.2), 0 2px 4px -1px rgba(5, 150, 105, 0.1);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(5, 150, 105, 0.3), 0 4px 6px -2px rgba(5, 150, 105, 0.1);
}

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

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

.btn-outline-white {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 1.2rem 0;
    background-color: var(--bg-white);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--secondary);
    text-decoration: none;
}

.logo i {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

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

.nav-actions {
    display: flex;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    background-color: var(--bg-white);
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero .badge {
    display: inline-block;
    background-color: rgba(5, 150, 105, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 700px;
}

.hero-pricing {
    margin-top: 1.5rem;
    font-size: 1rem;
    color: var(--text-muted);
    background: var(--bg-light);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    display: inline-block;
}

.hero-pricing .original-price {
    text-decoration: line-through;
    opacity: 0.7;
    margin-right: 0.5rem;
}

.hero-pricing .promo-price {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.2rem;
}

/* Problem vs Solution Section */
.problem-solution {
    background-color: var(--bg-light);
}

.ps-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.ps-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.ps-content p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.ps-list {
    list-style: none;
    margin-bottom: 2rem;
}

.ps-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    font-size: 1.05rem;
    color: var(--text-main);
}

.ps-list li i {
    color: #ef4444; /* red for problem */
    margin-top: 0.3rem;
    margin-right: 1rem;
}

.ps-list.solution-list li i {
    color: var(--primary); /* green for solution */
}

/* Features Section */
.features {
    background-color: var(--bg-white);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-muted);
}

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

.feature-card {
    background: var(--bg-white);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(5, 150, 105, 0.1);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* CTA Footer Section */
.cta-footer {
    background-color: var(--secondary);
    color: white;
    text-align: center;
    padding: 6rem 0;
}

.cta-footer h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.cta-footer p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Main Footer */
footer {
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-light);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 300px;
    font-size: 0.95rem;
}

.footer-links h4 {
    color: var(--text-main);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.8rem;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

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

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 992px) {
    .ps-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links, .nav-actions {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}