/* --- Global Styles & Variables --- */
*, *::before, *::after {
    box-sizing: border-box;
}

:root {
    --primary-color: #007bff;
    --secondary-color: #0056b3;
    --light-blue: #e9f5ff;
    --dark-gray: #343a40;
    --medium-gray: #6c757d;
    --light-gray: #f8f9fa;
    --border-color: #e3e6f0;
    --text-color: #333;
    --white: #fff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    background-color: var(--light-gray);
    color: var(--text-color);
    line-height: 1.6;
    padding-top: 85px; /* Offset for fixed header */
    overflow-x: hidden; /* Prevent horizontal scroll from vw units */
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}
a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
}

/* --- Header & Navigation --- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    background-color: var(--white);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}
.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}
.logo {
    max-height: 50px;
    margin-right: 1rem; /* Espaciado para tablet */
    z-index: 10000;
}
.main-nav {
    position: relative;
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.main-nav a {
    font-size: 1.1rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--dark-gray);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: color 0.3s ease, background-color 0.3s;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    display: flex;
    align-items: center;
}

.main-nav a:hover {
    color: var(--primary-color);
    text-decoration: none;
}
.main-nav a.active {
    color: var(--primary-color);
    font-weight: 700;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-header-cta {
    display: none; /* Oculto en desktop por defecto */
}

/* CTA Button Styles */
.main-nav .nav-cta a {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 700;
}
.main-nav .nav-cta a:hover {
    background-color: var(--secondary-color);
    color: var(--white);
}

.dropdown-toggle::after {
    content: '▼';
    display: inline-block;
    margin-left: 0.5em;
    font-size: 0.8em;
    transition: transform 0.3s ease;
}

/* --- Desktop Dropdown Styles --- */
.main-nav .dropdown {
    position: relative;
}

.dropdown-menu {
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border: 1px solid var(--border-color);
    min-width: 220px;
    width: auto;
    z-index: 1000;
}

.dropdown-menu li a {
    display: block;
    padding: 0.8rem 1.5rem;
    color: #333;
    transition: background-color 0.2s, color 0.2s;
    font-size: 0.95rem;
    white-space: nowrap;
}

.dropdown-menu li a:hover {
    background-color: #f0f8ff;
    color: #0056b3;
}


/* --- Responsive & Mobile Menu Styles --- */
@media (max-width: 768px) {
    .container {
        padding: 0 0.3rem;
    }

    .main-nav {
        display: flex;
        flex-direction: column;
        gap: 2.5rem;
        text-align: center;
    }

    .main-nav a {
        color: var(--white);
        font-size: 1.75rem;
        font-weight: bold;
    }
    .main-nav a.active {
        color: var(--white);
        text-decoration: underline;
    }
    .main-nav a.dropdown-toggle.active {
        text-decoration: none;
    }
    .main-nav .nav-cta a {
        padding: 0.75rem 1.5rem;
        border: 2px solid var(--white);
    }
    .main-nav .nav-cta a:hover {
        background-color: var(--white);
        color: var(--primary-color);
    }

    /* Ocultar el CTA del menú principal en móvil */
    .main-nav .nav-cta {
        display: none;
    }

    /* Mostrar y estilar el CTA de la cabecera en móvil */
    .mobile-header-cta {
        display: inline-block;
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--primary-color);
        border: 2px solid var(--primary-color);
        padding: 0.4rem 0.8rem;
        border-radius: 20px;
        text-decoration: none;
        transition: background-color 0.3s, color 0.3s;
    }
    .mobile-header-cta:hover {
        background-color: var(--primary-color);
        color: var(--white);
    }

    .mobile-nav-toggle {
        display: block;
        position: relative;
        z-index: 9999;
        background: transparent;
        border: 0;
        cursor: pointer;
        width: 2rem;
        height: 2rem;
    }
    .mobile-nav-toggle::before,
    .mobile-nav-toggle::after {
        content: '';
        position: absolute;
        left: 0;
        width: 100%;
        height: 3px;
        background: var(--dark-gray);
        transition: transform 350ms ease-out;
    }
    .mobile-nav-toggle::before { top: 5px; }
    .mobile-nav-toggle::after { bottom: 5px; }

    .main-nav-container {
        position: fixed;
        inset: 0;
        background-color: rgba(0, 25, 50, 0.75);
        backdrop-filter: blur(15px);
        display: none;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transform: translateX(100%);
        transition: transform 350ms ease-out;
        z-index: 1000;
    }
    .main-nav-container[data-visible="true"] {
        display: flex;
        transform: translateX(0%);
    }

    .mobile-nav-toggle[aria-expanded="true"] {
        position: fixed;
        top: 1.5rem;
        right: 1.5rem;
    }
    .mobile-nav-toggle[aria-expanded="true"]::before,
    .mobile-nav-toggle[aria-expanded="true"]::after {
        background: var(--white);
    }
    .mobile-nav-toggle[aria-expanded="true"]::before { transform: rotate(45deg) translate(5px, 5px); }
    .mobile-nav-toggle[aria-expanded="true"]::after { transform: rotate(-45deg) translate(5px, -5px); }

    .dropdown .dropdown-menu {
        display: none;
        position: static;
        background-color: transparent;
        box-shadow: none;
        border: none;
        border-top: 1px solid rgba(255,255,255,0.2);
        border-radius: 0;
        padding: 1rem 0 0 0;
        margin-top: 1rem;
        width: 100%;
    }

    .dropdown.open .dropdown-menu { display: block; }
    .dropdown.open .dropdown-toggle::after { transform: rotate(180deg); }

    .dropdown-menu li a {
        font-size: 1.2rem;
        font-weight: normal;
        padding: 0.8rem 1rem;
        color: var(--light-gray);
    }

}

/* --- Balance Card Styles --- */
.balance-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}
.balance-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
}
.balance-card-year {
    text-align: center;
    font-size: 1.75rem;
    margin-top: 0;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-color);
    color: var(--dark-gray);
}
.balance-card-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.balance-card-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem 0;
    border-bottom: 1px solid #f0f0f0;
}
.balance-card-list li:last-of-type {
    border-bottom: none;
}
.balance-card-list li > span:first-child {
    font-weight: 500;
    color: #555;
}
.balance-card-list li > span:last-child {
    font-weight: 600;
}
.balance-card-list li.saldo-final {
    font-weight: bold;
    font-size: 1.1rem;
    border-top: 2px solid #333;
    margin-top: auto;
    padding-top: 1rem;
}
.balance-card-list li.superavit span:last-child { color: #28a745; }
.balance-card-list li.deficit span:last-child { color: #dc3545; }

/* --- Desktop-Only Styles --- */
@media (min-width: 769px) {
    body {
        padding-top: 110px;
    }

    .main-header {
        top: 20px;
        left: 50%;
        transform: translateX(-50%);
        width: auto;
        padding: 0.5rem;
        border-radius: 25px;
        background: rgba(255, 255, 255, 0.25);
        -webkit-backdrop-filter: blur(15px) saturate(180%);
        backdrop-filter: blur(15px) saturate(180%);
        border: 1px solid rgba(255, 255, 255, 0.3);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    }

    .main-header .container {
        padding: 0;
    }

    .logo {
        max-height: 60px;
        margin: 0 1rem; /* Restablece el margen para escritorio */
    }

    .dropdown-menu {
        position: absolute;
        top: 100%;
        left: 0;
        margin-top: 0.75rem;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    }

    .dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .mobile-nav-toggle {
        display: none;
    }
}

/* --- Footer --- */
.main-footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 2rem 0;
    margin-top: 3rem;
}
.main-footer .footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.footer-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
}
.footer-nav a { color: var(--white); }

/* --- Responsive Tables in Post Content (Prose) --- */
.prose table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-collapse: collapse;
    margin: 1.5rem 0;
    border: 1px solid var(--border-color);
}
.prose th,
.prose td {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    white-space: nowrap;
}
.prose thead th,
.prose tfoot th {
    background-color: var(--light-gray);
    font-weight: bold;
}
.prose tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* --- Contact Page Specific Styles --- */
.contact-page-container {
    max-width: 1000px;
    margin: 2rem auto;
}
.contact-info-section, .contact-form-section {
    background-color: #fff;
    padding: 2.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.07);
}
.contact-info-section h2, .contact-form-section h2 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 2rem;
    color: #0056b3;
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}
@media (min-width: 768px) {
    .contact-grid { grid-template-columns: 1fr 1fr; }
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.contact-item svg {
    width: 28px;
    height: 28px;
    color: #007bff;
    flex-shrink: 0;
}
.contact-item-text p { margin: 0; line-height: 1.6; }
.contact-item-text p strong { color: #333; }
.contact-item a { color: #555; text-decoration: none; }
.contact-item a:hover { color: #007bff; }

.social-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 1rem;
}
.success-message, .error-message {
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    margin-bottom: 1.5rem;
}
.success-message {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* --- BLOG PAGE LAYOUT --- */
.blog-header { position: relative; text-align: center; padding: 4rem 1rem; margin-bottom: 2rem; background-color: #e9f5ff; border-radius: 8px; overflow: hidden; background-size: cover; background-position: center; color: #333; }
.blog-header.has-image { color: white; }
.blog-header::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.5); z-index: 1; display: none; }
.blog-header.has-image::before { display: block; }
.blog-header-content { position: relative; z-index: 2; }
.blog-header h1 { font-size: 2.8rem; margin-bottom: 0.5rem; }
.blog-header p { font-size: 1.2rem; max-width: 700px; margin: 0 auto; }
.blog-filters { text-align: center; margin-bottom: 2.5rem; }
.blog-filters a { color: #555; text-decoration: none; padding: 0.5rem 1.5rem; margin: 0 0.5rem; border-radius: 20px; transition: all 0.3s ease; }
.blog-filters a.active, .blog-filters a:hover { background-color: #007bff; color: white; }
.post-card { background-color: #fff; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.08); overflow: hidden; display: flex; flex-direction: column; }
.post-card-image { width: 100%; object-fit: cover; }
.post-card-content { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; }
.post-card-title { font-size: 1.4rem; margin: 0 0 0.75rem 0; }
.post-card-title a { color: #333; text-decoration: none; }
.post-card-summary { font-size: 0.95rem; color: #555; line-height: 1.6; margin-bottom: 1rem; flex-grow: 1; }
.post-card-meta { font-size: 0.9rem; color: #888; }
.no-posts { text-align: center; padding: 4rem; }

.blog-featured-zone {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}
.featured-col-main .post-card-image { height: 400px; }
.featured-col-main .post-card-title { font-size: 2rem; }
.featured-col-side { display: flex; flex-direction: column; gap: 2rem; }
.featured-col-side .post-card { flex-grow: 1; }
.featured-col-side .post-card-image { height: 180px; }
.featured-col-side .post-card-title { font-size: 1.2rem; }

.blog-main-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 3rem;
    border-top: 1px solid #eee;
}
.blog-main-grid .post-card { background-color: #f8f9fa; }
.blog-main-grid .post-card-image { height: 150px; }
.blog-main-grid .post-card-content { padding: 1rem; }
.blog-main-grid .post-card-title { font-size: 1rem; }

@media (min-width: 768px) {
    .blog-main-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 992px) {
    .blog-featured-zone {
        grid-template-columns: 1fr 2fr 1fr;
        gap: 2rem;
    }
}
 @media (min-width: 1200px) {
    .blog-main-grid { grid-template-columns: repeat(5, 1fr); }
}