/* Paleta: Verde Musgo: #4A5D45 | Cinza Escuro: #2D2E30 | Grafite: #1A1B1C */

:root {
    --dark: #1A1B1C;
    --gray: #2D2E30;
    --moss: #4A5D45;
    --text: #E0E0E0;
    --accent: #6A8264;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark);
    color: var(--text);
    line-height: 1.6;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
.navbar {
    padding: 20px 0;
    background: rgba(26, 27, 28, 0.95);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #333;
}

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

.logo { font-weight: 700; font-size: 1.5rem; letter-spacing: 2px; color: var(--accent); }

nav ul { display: flex; list-style: none; align-items: center; }

nav ul li { margin-left: 30px; }

nav ul li a { text-decoration: none; color: var(--text); font-size: 0.9rem; transition: 0.3s; }

nav ul li a:hover { color: var(--accent); }

.btn-nav { border: 1px solid var(--accent); padding: 8px 20px; border-radius: 4px; }

/* Hero */
.hero { padding: 150px 0 100px; text-align: center; background: radial-gradient(circle at top, #2d3e2d 0%, #1a1b1c 70%); }

.hero h1 { font-size: 3rem; margin-bottom: 20px; line-height: 1.2; font-weight: 700; }

.hero h1 span { color: var(--accent); font-weight: 300; }

.hero p { font-size: 1.2rem; max-width: 700px; margin: 0 auto 40px; color: #aaa; }

.btn-primary { 
    background-color: var(--moss); 
    color: white; 
    padding: 15px 40px; 
    text-decoration: none; 
    font-weight: 600; 
    border-radius: 4px;
    transition: 0.3s;
}

.btn-primary:hover { background-color: var(--accent); transform: translateY(-3px); }

/* Grid e Cards */
.section-title { text-align: center; margin-bottom: 60px; font-size: 2rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }

.problems { padding: 100px 0; background: #222; }

.card-problem { background: var(--dark); padding: 40px; border-left: 4px solid var(--moss); }

.solutions { padding: 100px 0; }

.card-solution { background: var(--gray); padding: 40px; border-radius: 8px; }

.tag { color: var(--accent); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px; font-weight: 700; }

/* CTA Block */
.cta-block { padding: 100px 0; text-align: center; background: var(--moss); color: white; }

.cta-block h2 { font-size: 2.5rem; margin-bottom: 20px; }

.btn-secondary { background: white; color: var(--moss); padding: 15px 40px; text-decoration: none; font-weight: 700; border-radius: 4px; display: inline-block; margin-top: 20px; }

/* Footer */
footer { padding: 50px 0; text-align: center; border-top: 1px solid #333; font-size: 0.8rem; color: #666; }

@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    nav { display: none; }
}