:root { 
    --ec-blue: #004494; 
    --ec-yellow: #FFD617; 
    --ec-bg: #f4f7f9; 
}

body { 
    font-family: 'Segoe UI', sans-serif; 
    background: var(--ec-bg); 
    margin: 0; 
    color: #333; 
}

.nav-lang { 
    background: #002d62; 
    padding: 10px 0; 
    text-align: right; 
    position: fixed; 
    top: 0; 
    width: 100%; 
    z-index: 1001; 
}

.nav-lang a { 
    color: white; 
    text-decoration: none; 
    margin-left: 15px; 
    font-weight: bold; 
    font-size: 0.8rem; 
    padding-right: 15px; 
}

header { 
    background: var(--ec-blue); 
    color: white; 
    padding: 1.2rem 0; 
    border-bottom: 5px solid var(--ec-yellow); 
    position: fixed; 
    top: 36px; 
    width: 100%; 
    z-index: 1000; 
}

.container { 
    width: 95%; 
    max-width: 1440px; 
    margin: 0 auto; 
}

body > .container { 
    padding-top: 80px; 
}

footer { 
    text-align: center; 
    padding: 3rem 0; 
    opacity: 0.7; 
    font-size: 0.85rem; 
}

@keyframes fadeIn { 
    from { opacity: 0; } 
    to { opacity: 1; } 
}