body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    width: 100%;
    background-color: #f0f4f9;
}

header {
    position: relative;
    background: linear-gradient(45deg, #0071ce, #005bbb, #0071ce);
    background-size: 300% 300%;
    animation: gradientShift 10s ease infinite;
    color: #fff;
    text-align: center;
    padding: 0.5em 0;
    width: 100%;
    box-shadow: 0 4px 8px rgba(0, 91, 187, 0.3);
    transition: color 0.3s ease;
    overflow: hidden;
    font-size: 2.4vh;
}

header:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    pointer-events: none;
    transition: background 0.3s ease;
}

header:hover:after {
    background: rgba(255, 255, 255, 0.1);
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes dataMove {
    0% {
        opacity: 1;
        transform: translateY(100%);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(-5500%);
    }
}

.header {
    position: relative;
    overflow: hidden;
}

nav {
    background-color: #ffffff;
    padding: 10px;
    box-shadow: 0 2px 10px rgba(0, 91, 187, 0.1);
    text-align: center;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    margin: 0 10px;
}

nav li {
    display: inline-block;
    margin: 0 10px;
}

nav a {
    text-decoration: none;
    padding: 8px 16px;
    background: linear-gradient(to right, #0071ce, #005bbb);
    color: #fff;
    border-radius: 8px;
    font-size: 2vh;
    transition: background-color 0.3s ease;
}

nav a:hover {
    background-color: #004a8c;
}

main {
    max-width: 90%;
    margin: 30px auto;
    padding: 2em;
    background-color: #ffffff;
    box-shadow: 0 0 20px rgba(0, 91, 187, 0.05);
    border-radius: 12px;
}

.content-wrapper {
    max-width: 90%;
    margin: 2rem auto;
    padding: 0.5rem 1rem;
}

/* Títulos */
.section-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    margin-top: 20px;
    border-left: 4px solid #005bbb;
    padding-left: 0.75rem;
    color: #003a70;
}

/* Reporte individual */
.report-card {
    background-color: #fff;
    padding: 1.2rem;
    border-radius: 8px;
    border: 1px solid #ddd;
    margin-bottom: 2rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.report-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,91,187,0.15);
}

.report-card h3 {
    margin-top: 0;
    font-size: 1.25rem;
    color: #005bbb;
}

.report-card .report-date {
    font-size: 0.9rem;
    color: #666;
}

/* Sección de cotización */
.cotizacion .cards {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.card {
    background-color: #fff;
    padding: 1.2rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    flex: 1;
    min-width: 280px;
}

.card h3 {
    margin-top: 0;
    font-size: 1.1rem;
}

/* Contenedor para gráficos */
.chart-container {
    margin-top: 2rem;
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #ddd;
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 1rem;
    background-color: #005bbb;
    color: white;
    margin-top: 3rem;
    font-size: 0.9rem;
}

/* Responsivo */
@media (max-width: 600px) {
    .main-nav {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .report-card,
    .card,
    .chart-container {
        padding: 1rem;
    }

    .content-wrapper {
        padding: 0 0.75rem;
    }
}