/* Isso é um arquivo CSS, não HTML */
:root { --primary-color: #0b2545; --accent-color: #2a9d8f; --bg-color: #f8f9fa; }
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', sans-serif; }
body { background-color: var(--bg-color); line-height: 1.6; }

.navbar { background-color: var(--primary-color); padding: 1rem 2rem; }
.navbar-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.navbar-brand { color: #fff; text-decoration: none; font-size: 1.4rem; font-weight: bold; }
.navbar-menu { display: flex; list-style: none; gap: 1rem; }
.navbar-menu a { color: #adbdcc; text-decoration: none; font-size: 0.9rem; }
.navbar-menu li a.active { color: #4da6ff; font-weight: bold; border-bottom: 2px solid #4da6ff; }

.container { max-width: 900px; margin: 2rem auto; background: #fff; padding: 2rem; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); width: 95%; }
h1 { color: var(--primary-color); margin-bottom: 1.5rem; }

/* Calculadoras */
.calculator-box { background-color: #f9f9f9; border: 1px solid #e1e1e1; border-radius: 8px; padding: 25px; max-width: 600px; margin: 20px auto; box-shadow: 0 4px 6px rgba(0,0,0,0.05); }
.calculator-box input { width: 100%; padding: 12px; margin: 10px 0; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; }
.calculator-box button { background-color: #004a99; color: white; padding: 12px 20px; border: none; border-radius: 4px; cursor: pointer; font-weight: bold; width: 100%; margin-top: 10px; }
.calculator-box button:hover { background-color: #003366; }

/* Anúncios */
.ad-top, .ad-bottom { display: flex; justify-content: center; width: 100%; max-width: 900px; margin: 15px auto; padding: 0 10px; box-sizing: border-box; }
.adsense-placeholder { display: flex; justify-content: center; align-items: center; width: 100%; min-height: 80px; background-color: #f8f9fa; border: 1px dashed #ced4da; color: #6c757d; font-family: sans-serif; font-size: 0.8em; border-radius: 6px; box-sizing: border-box; padding: 10px; }

/* Links no conteúdo */
.container ul li a { text-decoration: none; color: #007bff; font-weight: bold; }
.container ul li a:hover { text-decoration: underline; }

/* REGRAS MOBILE ÚNICAS */
@media (max-width: 768px) {
    .container { width: 95%; padding: 1rem; }
    .navbar-container { flex-direction: column; gap: 1rem; }
    .navbar-menu { flex-wrap: wrap; justify-content: center; gap: 10px; }
    .navbar-menu a { font-size: 14px; white-space: nowrap; }
}

@media (max-width: 600px) {
    .container-institucional { padding: 0 20px; font-size: 1.1em; line-height: 1.6; }
}