.logoAvanza   {
    width: 200px; /* La imagen se ajusta al 100% del contenedor */
    height: 80px;
}
/* Estilos generales */

:root {
--primary: #04636c;
--secondary: #c904a3;
--accent: #00a8e8;
--light: #f8f9fa;
--dark: #212529;
--success: #28a745;
--gray: #6c757d;
--light-gray: #e9ecef;
--transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
}

.main-nav a {
    color: white;
    text-decoration: none;
    margin-left: 2rem;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: #f39c12;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.8)), url('https://via.placeholder.com/1200x400');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 4rem 0;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Layout Principal */
.main-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 3rem;
    margin-bottom: 3rem;
}

/* Lista de Artículos */
.articles-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.article-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.article-image {
    width: 100%;
    height: 200px;
    background: #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-style: italic;
}

.article-content {
    padding: 1.5rem;
}

.article-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: #666;
}

.article-category {
    background: #3498db;
    color: white;
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

.article-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.article-excerpt {
    color: #666;
    margin-bottom: 1rem;
}

        .read-more {
            display: inline-block;
            background: #f39c12;
            color: white;
            padding: 0.5rem 1.5rem;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            transition: background 0.3s;
        }

        .read-more:hover {
            background: #e67e22;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .sidebar-widget {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .widget-title {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: #2c3e50;
            border-bottom: 2px solid #f39c12;
            padding-bottom: 0.5rem;
        }

        .subscribe-form input {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }

        .subscribe-btn {
            width: 100%;
            background: #27ae60;
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: 5px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s;
        }

        .subscribe-btn:hover {
            background: #219a52;
        }

        .popular-articles {
            list-style: none;
        }

        .popular-articles li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid #eee;
        }

        .popular-articles a {
            color: #333;
            text-decoration: none;
            transition: color 0.3s;
        }

        .popular-articles a:hover {
            color: #3498db;
        }

        .social-links {
            display: flex;
            gap: 1rem;
        }

        .social-links a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: #3498db;
            color: white;
            text-align: center;
            line-height: 40px;
            border-radius: 50%;
            text-decoration: none;
            transition: background 0.3s;
        }

        .social-links a:hover {
            background: #2980b9;
        }

        /* Footer */


        /* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: #fff;
        transition: left 0.3s;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }}

.dropdown-menu {
    position: static;
    width: 100%;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    background-color: #f8f9fa;
}

.nav-item:hover .dropdown-menu {
    display: block;
}

.dropdown-menu::before {
    display: none;
}
.menu-toggle {
    display: block;
}
.nav-menu.active {
    left: 0;
}

.nav-item {
    margin: 0;
    border-bottom: 1px solid #f0f0f0;
}

.nav-link {
    padding: 15px 20px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 220px;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 5px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 20px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #fff;
}

.dropdown-item {
    display: block;
    padding: 12px 20px;
    text-decoration: none;
    color: #333;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.2s;
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: #3498db;
    padding-left: 25px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
}

/* Header y navegación */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-item {
    position: relative;
    margin-left: 30px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 10px 0;
    transition: color 0.3s;
    display: block;
}

.nav-link:hover {
    color: #3498db;

/* Footer */
footer {
    background: var(--primary);
    color: white;
    padding: 60px 0 20px;
}

.main-footer {
            background: #2c3e50;
            color: white;
            text-align: center;
            padding: 2rem 0;
            margin-top: 3rem;
        }


.footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
.footer-col h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        
.footer-col p {
            color: #ffffff;
        }
        
.footer-links {
            list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    text-decoration: none;
    color: var(--light-gray);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    transform: translateY(-5px);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--light-gray);
    font-size: 0.9rem;
}


/* Responsive */
@media (max-width: 992px) {
    .about,
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    form {
        width: 100%;
    }
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
    }
    
    nav ul.active {
        display: flex;
    }
    
    nav ul li {
        margin: 0;
        text-align: center;
    }
    
    nav ul li a {
        display: block;
        padding: 15px;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2rem;
    }
}}

footer {
    background: var(--primary);
    color: white;
    padding: 60px 0 20px;
}
        
.footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
.footer-col h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        
.footer-col p {
            color: #ffffff;
        }
        
.footer-links {
            list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    text-decoration: none;
    color: var(--light-gray);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    transform: translateY(-5px);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--light-gray);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .about,
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    form {
        width: 100%;
    }
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
    }
    
    nav ul.active {
        display: flex;
    }
    
    nav ul li {
        margin: 0;
        text-align: center;
    }
    
    nav ul li a {
        display: block;
        padding: 15px;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2rem;
    }
}
footer {
    background: var(--primary);
    color: white;
    padding: 60px 0 20px;
}