/* Resets básicos */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: #333;
    line-height: 1.6;
    background-color: #fbf9f5;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 60px 0;
}

.bg-light {
    background-color: #e9f0ea;
}

/* Cabeçalho */
header {
    background-color: #2e5a44; /* Verde escuro */
    color: white;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #d2b48c; /* Tom de palha/bege */
}

/* Banner */
.banner {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1592417817098-8f3d6eb19675?auto=format&fit=crop&w=1200&q=80') no-repeat center center/cover;
    height: 70vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
}

.banner-text h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.banner-text p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* Botões */
.btn {
    display: inline-block;
    background-color: #8b5a2b; /* Marrom terra */
    color: white;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.btn:hover {
    background-color: #6e441f;
}

/* Grid de Benefícios */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-top: 5px solid #2e5a44;
}

.card h3 {
    margin-bottom: 15px;
    color: #2e5a44;
}

/* Seção Interativa */
.interativo {
    margin-top: 50px;
    text-align: center;
    background: white;
    padding: 30px;
    border-radius: 8px;
}

.interativo p {
    margin-bottom: 20px;
}

#resultado-calculo {
    margin-top: 20px;
    font-weight: bold;
    color: #2e5a44;
    font-size: 1.2rem;
}

.escondido {
    display: none;
}

/* Rodapé */
footer {
    background-color: #1e3a2b;
    color: white;
    text-align: center;
    padding: 20px 0;
    font-size: 0.9rem;
}